JPH0977267A - Unloading and loading device - Google Patents
Unloading and loading deviceInfo
- Publication number
- JPH0977267A JPH0977267A JP23965295A JP23965295A JPH0977267A JP H0977267 A JPH0977267 A JP H0977267A JP 23965295 A JP23965295 A JP 23965295A JP 23965295 A JP23965295 A JP 23965295A JP H0977267 A JPH0977267 A JP H0977267A
- Authority
- JP
- Japan
- Prior art keywords
- load
- loading
- unloading
- conveyor
- truck
- 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.)
- Withdrawn
Links
Landscapes
- Loading Or Unloading Of Vehicles (AREA)
- Auxiliary Methods And Devices For Loading And Unloading (AREA)
- Special Conveying (AREA)
- Control Of Conveyors (AREA)
Abstract
Description
【0001】[0001]
【発明の属する技術分野】本発明は、箱詰された荷をト
ラックを利用して入出荷する際の、荷降し・荷積み装置
に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an unloading / loading device for loading and unloading a boxed load using a truck.
【0002】[0002]
【従来の技術】箱詰された荷をトラックから荷降しし、
あるいはトラックへ荷積みする際、従来は一般に、図4
に示すように、トラック(01)の荷台(01a)上に積ま
れた荷(a)を、人手を使いコンベア(02)またはシ
ュートを介して搬送手段(03)へ荷降しし、あるいは
搬送手段(03)上の荷(a)を、人手を使ってコンベ
ア(02)へ受渡して荷積みする方法がとられていた。2. Description of the Related Art Unloading a boxed load from a truck,
Alternatively, when loading onto a truck, the conventional method is generally shown in FIG.
As shown in Fig. 2, the load (a) loaded on the loading platform (01a) of the truck (01) is manually unloaded to the transfer means (03) via the conveyor (02) or chute, or transferred. The load (a) on the means (03) is manually transferred to the conveyor (02) for loading.
【0003】[0003]
【発明が解決しようとする課題】前記従来の方法は、作
業の主要部分に人手が介在しているため、疲労,安全面
が障害となって作業効率を高める上で限度があり、また
多品種,多量の荷を取扱う物流センターなどのように、
全作業工程の自動化を必要とする施設には不向きである
などの問題があった。In the above-mentioned conventional method, since human hands are involved in the main part of the work, there is a limit in improving work efficiency due to fatigue and safety, and there are many kinds of work. , Like a distribution center that handles a large amount of cargo,
There were problems such as being unsuitable for facilities that require automation of all work processes.
【0004】[0004]
【課題を解決するための手段】本発明者は、前記従来の
課題を解決するために、荷台上に設置された内装コンベ
ア、および同内装コンベアと連動し、搬送される荷をガ
イドする可動仕切を有するトラックと、両側縁に沿って
設けられた側壁、および搬送される荷をガイドする着脱
自在の可動仕切を有し、端部の荷受高さが調整可能で上
記トラックの荷台後端に接して設置され、上記トラック
の荷台または外部搬送手段から受渡された荷を搬送する
入出荷コンベアと、上記入出荷コンベアまたは上記外部
搬送手段から受渡された荷を1個づつ取上げて搬送する
荷取上げ装置と、上記入出荷コンベアまたは上記外部搬
送手段から受渡された荷を上記荷取上げ装置の取上げ位
置へ移動させるプッシャーと、上記入出荷コンベアの終
端の荷の有無を検出する荷物センサーと、上記入出荷コ
ンベア上の荷または上記外部搬送手段から受渡された荷
に取付けられたマーカを検出して、その荷の位置座標を
割出す監視カメラとを備えたことを特徴とする荷降し・
荷積み装置を提案するものである。In order to solve the above-mentioned conventional problems, the present inventor has proposed an internal conveyor installed on a loading platform, and a movable partition which works in conjunction with the internal conveyor and guides a conveyed load. And a side wall provided along both side edges and a detachable movable partition that guides a load to be conveyed, the load receiving height of the end portion is adjustable, and the track is in contact with the rear end of the loading platform of the truck. Loading and unloading conveyor that is installed in the truck and transports the load delivered from the truck carrier or the external transporting means, and a loading and unloading device that picks up and transports the load delivered from the receiving and shipping conveyor or the external transporting means one by one. And a pusher for moving the load delivered from the loading / unloading conveyor or the external transfer means to the pickup position of the loading / unloading device, and the presence / absence of load at the end of the loading / unloading conveyor is detected. And a monitoring camera that detects a marker attached to the load on the loading / unloading conveyor or the load delivered from the external transporting means and calculates the position coordinates of the load. Unloading
It proposes a loading device.
【0005】本発明は上記構成を有するので、荷降しす
る場合は、トラックに積まれた荷を、内装コンベアを駆
動して可動仕切でガイドしながら入出荷コンベア上へ移
動し、入出荷コンベアは受渡された荷を終端まで移動し
て荷物センサーで荷を検出して停止し、また監視カメラ
で終端の荷のマーカを検知して荷取上げ装置を荷の真上
に移動した後、荷取上げ装置で1個づつ荷を取上げて搬
送し、外部搬送手段へ受渡す。Since the present invention has the above-mentioned structure, when unloading, the load loaded on the truck is moved to the loading / unloading conveyor while being guided by the movable partition by driving the internal conveyor to move the loading / unloading conveyor. Moves the delivered load to the end, detects the load with the luggage sensor and stops, and detects the marker of the end load with the surveillance camera, moves the load pickup device directly above the load, and then picks up the load. The device picks up and transports the cargo one by one, and delivers it to the external transport means.
【0006】また荷積みする場合は、外部搬送手段上の
荷を1個づつ荷受台へ受渡してプッシャーで取上げ位置
まで押出し、次いで監視カメラでこの荷のマーカを検出
して荷取上げ装置を荷の真上に移動した後、荷取上げ装
置1個づつ荷を取上げて搬送し、入出荷コンベア上に積
上げる。次に入出荷コンベアを駆動して可動仕切でガイ
ドしながら順次荷を搬送してトラックの内装コンベア上
へ受渡し、更に内装コンベアを駆動して荷を順次荷台上
に積込む。Further, when loading, the loads on the external conveying means are delivered to the load receiving table one by one and pushed out to the pick-up position by the pusher, and then the marker of the load is detected by the surveillance camera to load the load pick-up device. After moving right above, the load is picked up and conveyed one by one by the load pickup device and piled up on the loading / unloading conveyor. Next, the loading / unloading conveyor is driven to sequentially convey the load while guiding the movable partition to deliver the load onto the internal conveyor of the truck, and the internal conveyor is further driven to load the load sequentially on the loading platform.
【0007】[0007]
【発明の実施の形態】本発明の実施の一形態を図面を用
いて説明する。図1は本実施形態に係る荷降し・荷積み
装置の構成と荷降し作業を説明する平面図および側面
図、図2は同じく荷降し・荷積み装置の構成と荷積み作
業を説明する平面図および側面図、図3は荷に取付けら
れたマーカを示す斜視図である。これ等の図に示すよう
に、本実施形態の荷降し・荷積み装置は、トラック
(1),入出荷コンベア(5),荷取上げ装置(7),
プッシャー(12),監視カメラ(8)および荷物セン
サー(9)などの主要部で構成される。BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a plan view and a side view for explaining the configuration of the unloading / loading device and the unloading work according to the present embodiment, and FIG. 2 is the same for explaining the configuration of the unloading / loading device and the loading work. And FIG. 3 is a perspective view showing a marker attached to a load. As shown in these drawings, the unloading / loading device of the present embodiment includes a truck (1), a loading / unloading conveyor (5), a loading / unloading device (7),
It is composed of main parts such as a pusher (12), a surveillance camera (8) and a luggage sensor (9).
【0008】トラック(1)は、荷台(1a)上に設置
された内装コンベア(4)と、同内装コンベア(4)と
連動して、搬送される荷(a)をガイドする可動仕切
(1c)と、後部ゲート(1b)とを備えている。入出
荷コンベア(5)は、その両側縁に設けられて搬送中の
荷(a)の落下を防止する側壁(5a)と、コンベア
(5)本体に着脱自在に設置され、かつコンベア(5)
と連動して、搬送される荷(a)をガイドする可動仕切
(5c)と、コンベア(5)の荷受高さを任意に調整す
る高さ調整装置(5b)とを備え、トラック(1)の荷
台(1a)後端に接して設置される。The truck (1) is provided with an internal conveyor (4) installed on the loading platform (1a) and a movable partition (1c) which works in conjunction with the internal conveyor (4) to guide the conveyed load (a). ) And a rear gate (1b). The loading / unloading conveyor (5) is provided on both side edges thereof to prevent the load (a) from falling during transportation, and a side wall (5a) detachably installed on the main body of the conveyor (5) and the conveyor (5).
The truck (1) is provided with a movable partition (5c) for guiding the conveyed load (a) in cooperation with the above, and a height adjusting device (5b) for arbitrarily adjusting the load receiving height of the conveyor (5). It is installed in contact with the rear end of the cargo bed (1a).
【0009】荷取上げ装置(7)は、荷(a)を吸着し
て取上げる吸着パッド(7a)を備え、レール(7b)
に沿って走行して荷(a)を搬送し、入出荷コンベア
(5)上または外部の搬送コンベア(6)上へ受渡すも
ので、図では対向して2台設置されている。プッシャー
(12)は、入出荷コンベア(5)と外部の搬送コンベ
ア(6)との間に設置され、荷積み時に外部の搬送コン
ベア(6)から荷受台(例えばローラテーブル)(1
3)上に受渡された荷(a)を荷取上げ装置(7)によ
るそれぞれの取上げ位置へ移動させるようになってい
る。The load pickup device (7) is equipped with a suction pad (7a) for picking up and picking up a load (a), and a rail (7b).
The load (a) travels along and is transferred to the receiving / shipping conveyor (5) or an external transfer conveyor (6). Two units are installed facing each other in the figure. The pusher (12) is installed between the loading / unloading conveyor (5) and the external transfer conveyor (6), and is loaded from the external transfer conveyor (6) to a load receiving table (for example, a roller table) (1) during loading.
3) The load (a) delivered above is moved to each pickup position by the load pickup device (7).
【0010】監視カメラ(8)には距離計が内蔵されて
いて、図3に示すように予め荷(a)の上面中央に取付
けられたマーカ(例えばバーコードマーク)(11)を
検出して、入出荷コンベア(5)終端または荷受台(1
3)上にある荷(a)の位置座標を割出すようになって
おり、この信号に基づいて荷取上げ装置(7)を所定位
置すなわち取上げ対象の荷(a)の真上位置へ移動させ
る。また荷物センサー(9)は、入出荷コンベア(5)
終端に設置され、荷降し時に荷(a)が同コンベア
(5)終端位置に有るか無いかを検出するもので、「無
い」場合は入出荷コンベア(5)を駆動して荷(a)を
1列づつ順次前進させるようになっている。The surveillance camera (8) has a built-in range finder and detects a marker (for example, a bar code mark) (11) attached to the center of the upper surface of the load (a) in advance as shown in FIG. , The end of the receiving / shipping conveyor (5) or the receiving tray (1
3) The position coordinates of the load (a) above are indexed, and the load pickup device (7) is moved to a predetermined position, that is, a position just above the load (a) to be picked up based on this signal. . In addition, the luggage sensor (9) is used for the receipt / shipment conveyor (5).
It is installed at the end and detects whether or not the load (a) is at the end position of the conveyor (5) at the time of unloading. When there is no load, the loading / unloading conveyor (5) is driven to drive the load (a). ) Are sequentially advanced one column at a time.
【0011】以下、本装置による作業手順を説明する。
荷降しする場合は図1に示すように、トラック(1)の
後部ゲート(1b)を開いた後、内装コンベア(4)を
駆動し、可動仕切(1c)を介して荷台(1a)上の荷
(a)の列を入出荷コンベア(5)上へ押出す。受渡さ
れた荷(a)の列は入出荷コンベア(5)によって順次
移動し、荷(a)の先頭(図の右端)の列が終端に達す
ると、荷物センサー(9)がこれを検知し入出荷コンベ
ア(5)を停止させる。この時、先頭の列の最上部の荷
(a)に取付けられたマーカ(11)を監視カメラ
(8)が検出してこの荷(a)の位置座標を割出し、こ
の信号に基づいて荷取上げ装置(7)が荷(a)の真上
へ移動する。次いで吸着パッド(7a)によって荷
(a)を吸着・取上げた後、レール(7b)に沿って荷
取上げ装置(7)を走行させ、荷(a)を外部の搬送コ
ンベア(6)へ受渡す。こうして先頭の列がすべて受渡
されると、これを荷物センサー(9)が検知して入出荷
コンベア(5)を駆動し、次の列を終端まで移動し、以
下同様の操作を繰り返す。The operation procedure of this apparatus will be described below.
In the case of unloading, as shown in FIG. 1, after opening the rear gate (1b) of the truck (1), the internal conveyor (4) is driven, and on the loading platform (1a) via the movable partition (1c). The column of the load (a) is extruded onto the receiving / shipping conveyor (5). The delivered load (a) row is sequentially moved by the loading / unloading conveyor (5), and when the leading (right end of the figure) row of the load (a) reaches the end, the luggage sensor (9) detects this. Stop the loading / unloading conveyor (5). At this time, the surveillance camera (8) detects the marker (11) attached to the uppermost load (a) in the first row, and the position coordinates of this load (a) are calculated. The pick-up device (7) moves right above the load (a). Next, after the load (a) is sucked and picked up by the suction pad (7a), the load pickup device (7) is made to travel along the rail (7b) and the load (a) is transferred to the external transfer conveyor (6). . When all the leading rows are delivered in this way, the luggage sensor (9) detects this and drives the receiving / shipping conveyor (5) to move the next row to the end, and the same operation is repeated thereafter.
【0012】次に、荷積みする場合は、図2に示すよう
に、外部の搬送コンベア(6)で送られて来た荷(a)
を、まず荷受台(13)へ1個づつ受渡し、プッシャー
(12)を作動して所定の取上げ位置へ押出す。する
と、これを監視カメラ(8)が検出してこの荷(a)の
座標位置を割出し、この信号に基づいて荷取上げ装置
(7)が荷(a)の真上へ移動する。次いで吸着パッド
(7a)によって荷(a)を吸着・取上げた後、レール
(7b)に沿って荷取上げ装置(7)を走行させ、入出
荷コンベア(5)上に積上げる。この際、入出荷コンベ
ア(5)は高さ調整装置(5b)によってトラック
(1)側が少し低くなるように傾斜がついており、積上
げられた荷(a)の列は可動仕切(5c)でガイドされ
ている。こうして1列分の積上げが終ると、入出荷コン
ベア(5)を駆動して荷(a)の列を順次1列分だけ前
へ移動し、以下同様の操作を繰り返し荷(a)を次々に
積上げる。Next, in the case of loading, as shown in FIG. 2, the load (a) sent by the external transfer conveyor (6).
Are first delivered to the load receiving table (13) one by one, and the pushers (12) are operated to push them out to a predetermined pickup position. Then, the surveillance camera (8) detects this and determines the coordinate position of this load (a), and the load pickup device (7) moves directly above the load (a) based on this signal. Then, after the load (a) is picked up and picked up by the suction pad (7a), the load pickup device (7) is run along the rail (7b) and piled up on the loading / unloading conveyor (5). At this time, the loading / unloading conveyor (5) is inclined by the height adjusting device (5b) so that the track (1) side is slightly lowered, and the row of the stacked loads (a) is guided by the movable partition (5c). Has been done. When the stacking for one row is completed in this way, the loading / unloading conveyor (5) is driven to sequentially move the row of the load (a) forward by one row, and the same operation is repeated thereafter to load the load (a) one after another. Pile up.
【0013】入出荷コンベア(5)上にトラック(1)
1台分の荷積みが完了すると、高さ調整装置(5b)を
作動してコンベア(5)の高さをトラック(1)の荷台
(1a)高さに一致させ、次いで可動仕切(5c)を別
途手段(図示せず)で取外した後、入出荷コンベア
(5)と内装コンベア(4)を駆動して荷(a)の列を
トラック(1)の荷台(1a)上に移し替える。A truck (1) on the receiving / shipping conveyor (5)
When the loading of one vehicle is completed, the height adjusting device (5b) is operated to make the height of the conveyor (5) equal to the height of the loading platform (1a) of the truck (1), and then the movable partition (5c). Is removed by a separate means (not shown), and then the loading / unloading conveyor (5) and the internal conveyor (4) are driven to transfer the row of loads (a) onto the loading platform (1a) of the truck (1).
【0014】[0014]
【発明の効果】本発明の荷降し・荷積み装置によれば、
トラックからの荷降し作業、トラックへの荷積み作業
が、トラックの内装コンベア,入出荷コンベア,荷取上
げ装置およびプッシャーによってすべて機械的に行なわ
れ、またその荷の動きは荷物センサーと監視カメラによ
って常時検出されて、その信号に基づいて各動作が自動
的かつ連続的に行なわれるので、多種・多量の荷の入出
荷作業を、効率的かつ安全に行なうことができる。According to the unloading / loading device of the present invention,
The unloading work from the truck and the loading work on the truck are all mechanically carried out by the truck's internal conveyor, loading / unloading conveyor, loading device and pusher, and the movement of the cargo is carried out by the luggage sensor and surveillance camera. Since it is constantly detected and each operation is automatically and continuously performed based on the signal, it is possible to efficiently and safely carry out the loading / shipping work of various kinds and a large amount of loads.
【図1】図1は本発明の実施の一形態に係る荷降し・荷
積み装置の構成と荷降し手順を説明する平面図および側
面図である。FIG. 1 is a plan view and a side view illustrating a configuration of an unloading / loading device and an unloading procedure according to an embodiment of the present invention.
【図2】図2は上記実施形態に係る荷降し・荷積み装置
の構成と荷積み手順を説明する平面図および側面図であ
る。2A and 2B are a plan view and a side view for explaining a configuration and a loading procedure of the unloading / loading device according to the above embodiment.
【図3】図3は上記実施形態において荷に取付けられた
マーカを示す斜視図である。FIG. 3 is a perspective view showing a marker attached to a load in the above embodiment.
【図4】図4は従来の荷降し・荷積み方法を示す図であ
る。FIG. 4 is a diagram showing a conventional unloading / loading method.
(1) トラック (1a) 荷台 (1b) 後部ゲート (1c) 可動仕切 (4) 内装コンベア (5) 入出荷コンベア (5a) 側壁 (5b) 高さ調整装置 (5c) 可動仕切 (6) 外部搬送コンベア (7) 荷取上げ装置 (7a) 吸着パッド (7b) レール (8) 監視カメラ (9) 荷物センサー (11) マーカ (12) プッシャー (13) 荷受台 (1) Truck (1a) Loading platform (1b) Rear gate (1c) Movable partition (4) Interior conveyor (5) Loading / unloading conveyor (5a) Side wall (5b) Height adjustment device (5c) Movable partition (6) External transfer Conveyor (7) Loading device (7a) Suction pad (7b) Rail (8) Surveillance camera (9) Luggage sensor (11) Marker (12) Pusher (13) Loading tray
Claims (1)
び同内装コンベアと連動し、搬送される荷をガイドする
可動仕切を有するトラックと、両側縁に沿って設けられ
た側壁、および搬送される荷をガイドする着脱自在の可
動仕切を有し、端部の荷受高さが調整可能で上記トラッ
クの荷台後端に接して設置され、上記トラックの荷台ま
たは外部搬送手段から受渡された荷を搬送する入出荷コ
ンベアと、上記入出荷コンベアまたは上記外部搬送手段
から受渡された荷を1個づつ取上げて搬送する荷取上げ
装置と、上記入出荷コンベアまたは上記外部搬送手段か
ら受渡された荷を上記荷取上げ装置の取上げ位置へ移動
すせるプッシャーと、上記入出荷コンベアの終端の荷の
有無を検出する荷物センサーと、上記入出荷コンベア上
の荷または上記外部搬送手段から受渡された荷に取付け
られたマーカを検出して、その荷の位置座標を割出す監
視カメラとを備えたことを特徴とする荷降し・荷積み装
置。1. An internal conveyor installed on a loading platform, a truck having a movable partition which works in conjunction with the internal conveyor and guides a load to be transferred, side walls provided along both side edges, and an internal conveyor. It has a removable partition that guides the load, the load receiving height of the end can be adjusted, and it is installed in contact with the rear end of the load carrier of the truck to transfer the load delivered from the load carrier of the truck or external transfer means. A loading / unloading conveyor, a loading / unloading device for picking up and transporting the load delivered from the loading / unloading conveyor or the external transporting device one by one, and a load delivered from the loading / unloading conveyor or the external transporting device to the loading / unloading device. A pusher that moves the pickup device to the pickup position, a load sensor that detects the presence or absence of a load at the end of the loading / unloading conveyor, and a load on the loading / unloading conveyor or the outside. A unloading / loading apparatus, comprising: a surveillance camera that detects a marker attached to a load delivered from the transport means and calculates the position coordinates of the load.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP23965295A JPH0977267A (en) | 1995-09-19 | 1995-09-19 | Unloading and loading device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP23965295A JPH0977267A (en) | 1995-09-19 | 1995-09-19 | Unloading and loading device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0977267A true JPH0977267A (en) | 1997-03-25 |
Family
ID=17047895
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP23965295A Withdrawn JPH0977267A (en) | 1995-09-19 | 1995-09-19 | Unloading and loading device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0977267A (en) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006282352A (en) * | 2005-04-01 | 2006-10-19 | Samii Kk | Shipping assist device for game machine |
JP2015024872A (en) * | 2013-07-24 | 2015-02-05 | 株式会社Paltac | Unloader |
GB2511714B (en) * | 2012-02-10 | 2017-12-27 | Deere & Co | Method of material handling using one or more imaging devices on the transferring vehicle and on the receiving vehicle to control the material distribution |
CN109775395A (en) * | 2019-01-30 | 2019-05-21 | 长沙长泰智能装备有限公司 | A kind of full-automatic quickly carload monoblock type loading system |
WO2019213904A1 (en) * | 2018-05-10 | 2019-11-14 | 深圳蓝胖子机器人有限公司 | Cargo loading and unloading vehicle and cargo transfer system |
CN112678560A (en) * | 2021-03-11 | 2021-04-20 | 苏州澳昆智能机器人技术有限公司 | Automatic control method and device for goods conveying |
CN113443459A (en) * | 2021-07-05 | 2021-09-28 | 界首市金龙机械设备有限公司 | Intelligent automatic loading equipment with material sequencing function |
CN113620076A (en) * | 2021-08-09 | 2021-11-09 | 成都图敏自动化科技有限公司 | Displacement type positive and negative rotation conveyor |
-
1995
- 1995-09-19 JP JP23965295A patent/JPH0977267A/en not_active Withdrawn
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006282352A (en) * | 2005-04-01 | 2006-10-19 | Samii Kk | Shipping assist device for game machine |
GB2511714B (en) * | 2012-02-10 | 2017-12-27 | Deere & Co | Method of material handling using one or more imaging devices on the transferring vehicle and on the receiving vehicle to control the material distribution |
JP2015024872A (en) * | 2013-07-24 | 2015-02-05 | 株式会社Paltac | Unloader |
WO2019213904A1 (en) * | 2018-05-10 | 2019-11-14 | 深圳蓝胖子机器人有限公司 | Cargo loading and unloading vehicle and cargo transfer system |
CN109775395A (en) * | 2019-01-30 | 2019-05-21 | 长沙长泰智能装备有限公司 | A kind of full-automatic quickly carload monoblock type loading system |
CN112678560A (en) * | 2021-03-11 | 2021-04-20 | 苏州澳昆智能机器人技术有限公司 | Automatic control method and device for goods conveying |
CN113443459A (en) * | 2021-07-05 | 2021-09-28 | 界首市金龙机械设备有限公司 | Intelligent automatic loading equipment with material sequencing function |
CN113620076A (en) * | 2021-08-09 | 2021-11-09 | 成都图敏自动化科技有限公司 | Displacement type positive and negative rotation conveyor |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A300 | Withdrawal of application because of no request for examination |
Free format text: JAPANESE INTERMEDIATE CODE: A300 Effective date: 20021203 |