WO2016103993A1 - 物品搬送用容器昇降搬送装置 - Google Patents
物品搬送用容器昇降搬送装置 Download PDFInfo
- Publication number
- WO2016103993A1 WO2016103993A1 PCT/JP2015/082379 JP2015082379W WO2016103993A1 WO 2016103993 A1 WO2016103993 A1 WO 2016103993A1 JP 2015082379 W JP2015082379 W JP 2015082379W WO 2016103993 A1 WO2016103993 A1 WO 2016103993A1
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- WIPO (PCT)
- Prior art keywords
- container
- gripping means
- transferred
- lifting
- height
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G63/00—Transferring or trans-shipping at storage areas, railway yards or harbours or in opening mining cuts; Marshalling yard installations
- B65G63/02—Transferring or trans-shipping at storage areas, railway yards or harbours or in opening mining cuts; Marshalling yard installations with essentially horizontal transit otherwise than by bridge
- B65G63/022—Transferring or trans-shipping at storage areas, railway yards or harbours or in opening mining cuts; Marshalling yard installations with essentially horizontal transit otherwise than by bridge for articles
- B65G63/025—Transferring or trans-shipping at storage areas, railway yards or harbours or in opening mining cuts; Marshalling yard installations with essentially horizontal transit otherwise than by bridge for articles for containers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G43/00—Control devices, e.g. for safety, warning or fault-correcting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J13/00—Controls for manipulators
- B25J13/08—Controls for manipulators by means of sensing devices, e.g. viewing or touching devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G1/00—Storing articles, individually or in orderly arrangement, in warehouses or magazines
- B65G1/02—Storage devices
- B65G1/04—Storage devices mechanical
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G1/00—Storing articles, individually or in orderly arrangement, in warehouses or magazines
- B65G1/02—Storage devices
- B65G1/04—Storage devices mechanical
- B65G1/0407—Storage devices mechanical using stacker cranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G1/00—Storing articles, individually or in orderly arrangement, in warehouses or magazines
- B65G1/02—Storage devices
- B65G1/14—Stack holders or separators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G43/00—Control devices, e.g. for safety, warning or fault-correcting
- B65G43/08—Control devices operated by article or material being fed, conveyed or discharged
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G57/00—Stacking of articles
- B65G57/02—Stacking of articles by adding to the top of the stack
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G60/00—Simultaneously or alternatively stacking and de-stacking of articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G61/00—Use of pick-up or transfer devices or of manipulators for stacking or de-stacking articles not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G63/00—Transferring or trans-shipping at storage areas, railway yards or harbours or in opening mining cuts; Marshalling yard installations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J13/00—Controls for manipulators
- B25J13/08—Controls for manipulators by means of sensing devices, e.g. viewing or touching devices
- B25J13/086—Proximity sensors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J9/00—Programme-controlled manipulators
- B25J9/02—Programme-controlled manipulators characterised by movement of the arms, e.g. cartesian coordinate type
- B25J9/023—Cartesian coordinate type
- B25J9/026—Gantry-type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
- B65G2201/02—Articles
- B65G2201/0235—Containers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2203/00—Indexing code relating to control or detection of the articles or the load carriers during conveying
- B65G2203/02—Control or detection
- B65G2203/0208—Control or detection relating to the transported articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2203/00—Indexing code relating to control or detection of the articles or the load carriers during conveying
- B65G2203/04—Detection means
- B65G2203/042—Sensors
- B65G2203/044—Optical
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
- B65G47/90—Devices for picking-up and depositing articles or materials
- B65G47/901—Devices for picking-up and depositing articles or materials provided with drive systems with rectilinear movements only
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
- B65G47/90—Devices for picking-up and depositing articles or materials
- B65G47/905—Control arrangements
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S294/00—Handling: hand and hoist-line implements
- Y10S294/902—Gripping element
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S294/00—Handling: hand and hoist-line implements
- Y10S294/907—Sensor controlled device
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S901/00—Robots
- Y10S901/46—Sensing device
- Y10S901/47—Optical
Definitions
- the present invention relates to an article conveying container lifting and lowering conveying device provided with at least two sets of container gripping means for grasping and lifting an article conveying container from both sides.
- this type of article transport container specifically a large container with an open / close door on the front, is suspended up and down freely on a traveling body of an overhead traveling crane type.
- a traveling body of an overhead traveling crane type Provided with a lowered lifting body, so that the large container can be suspended under the lifting body, the engaged metal fitting provided on the ceiling surface of the large container, The thing which provided the hook which can be engaged / disengaged with respect to the clearance gap under a large sized container is known.
- a hanging-dedicated fitting is protruded from the ceiling surface of a large container that is a conveyed object, or a gap is formed below the bottom surface of the large container.
- the container gripping means includes at least two sets of container gripping means for gripping and lifting the small container from both sides, and the container gripping means is configured to move up and down in conjunction with each other and to move toward and away from the small container in the front-rear and horizontal directions. It is a thing.
- the container gripping means is provided in two sets of front and rear corresponding to both the front and rear sides of the small container, and both the container gripping means move toward and away from each other in the horizontal direction with the gripping tool for gripping the side of the small container.
- the small container to be handled has a projecting bottom portion that fits into the upper end opening of the lower small container during container stacking, and is provided with a horizontally projecting reinforcement on both front and rear side surfaces of the small container that the gripping tool grips.
- the gripping tool has a structure including a large number of pins that can be withdrawn and retracted into the lower side of the reinforcing ribs on the front and rear side surfaces of the small container.
- a small container (hereinafter simply referred to as a container) configured as described above is transported and stacked at a predetermined position by the container lifting and lowering transport device described in the unpublished patent application as described above.
- a container a small container (hereinafter simply referred to as a container) configured as described above is transported and stacked at a predetermined position by the container lifting and lowering transport device described in the unpublished patent application as described above.
- the container may fall over when an external force such as a small amount of vibration is applied, and then when all or part of this stacked container is unloaded, An inconvenient situation occurs in which normal gripping action is not performed.
- the abnormal situation in which the container lowered to the predetermined position as described above is inclined is not limited to the case of stacking containers of the type in which the protruding bottom part and the upper end opening part of both the upper and lower containers are fitted to each other. This also occurs when the container is dropped on a foreign object that is unexpectedly present on the container support surface, and the same inconvenience may occur.
- the present invention proposes an article conveying container lifting / lowering conveying apparatus capable of solving the conventional problems as described above, and the article conveying container lifting / lowering conveying apparatus according to the present invention is an embodiment described later.
- the reference numerals used in the description of the embodiment are shown in parentheses, and the article transport container (C) is gripped from both sides and lifted up and down.
- the container gripping means (20A, 20B), these container gripping means (20A, 20B) are moved up and down in conjunction with each other, and can be moved toward and away from the container (C) in the front-rear horizontal direction.
- a sensor (47) is attached to detect this, and the transfer detected by this sensor (47)
- the posture error of the transferred container (C) is detected by comparing the detected value of the upper end height of the transferred container with the normal value of the transferred container upper end height calculated based on the height of the handled container (C). It is configured to determine.
- a container is a plastic box and an open top small container shown in the examples to be described later.
- Various containers having different shapes, structures, materials, sizes, etc. are included, such as a dish shape, and the container gripping means (20A, 20B) are implemented in a configuration suitable for the shape and structure of the “container”.
- the gripped container is supported on the container support surface or the lower transferred container.
- the container gripping means is lowered, then the container gripping means is opened to release the container gripping action, and then the opened container gripping means is raised to at least a height higher than the upper end of the transferred container. Then, the next container transfer operation will be started.
- the upper end height of the transferred container is detected by the sensor switched to the operating state. I can do it.
- the container at the time when the container upper end height detection signal of the sensor is received by counting the transmission pulses of an encoder linked to a motor that drives the container gripping means to move up and down to obtain the current height information of the container gripping means. From the current height information of the gripping means, the detected value of the upper end height of the transferred container can be obtained.
- the height information of the containers handled by the container lifting / lowering device in advance, the height of the container transferred to a predetermined position from the set value (when stacking, the total height of the containers).
- the container transported by the article transport container lifting / lowering transport device is lowered onto a container that has been transferred to a predetermined position or a container support surface such as a floor surface
- the container that is lowered to the predetermined position is
- the height of the container (the total height when stacked) is the normal value of the transferred container upper end height that can be acquired in advance.
- the protruding bottom of the container lowered to the predetermined position is normally in the upper end opening of the transferred container on the lower side.
- the control to be automatically performed based on the determination of the abnormal transfer is not particularly limited, but based on the detection of the abnormal transfer, for example, the detection of the abnormal transfer that notifies the occurrence of the abnormal transfer by a lamp or an alarm.
- the container gripping means (20A, 20B) is provided in two sets of front and rear corresponding to both the front and rear sides of the container (C).
- 20B) includes a gripper (21b) that grips the side of the container and a pair of left and right positioning tools that can move toward and away from each other in the left-right horizontal direction and fit the left and right corners of the side of the container to position the container (C).
- the sensor (47) includes a projector (49a) attached to a position in the vicinity of the gripping tool (21b) of one container gripping means (20A), and a gripping of the other container It can be constituted by a light receiver (49b) attached in the vicinity of the gripping tool (21b) of the means (20B).
- the container gripping means is configured by four grippers that move toward and away from the four corners of the container in the horizontal direction
- the container does not move laterally in the horizontal direction but only moves up and down in conjunction with each other.
- the sensor can be supported by the gripper that performs the operation, and the use of the sensor composed of the projector and the light receiver becomes easy.
- FIG. 1 is a perspective view showing an outline of an entire storage facility using a lifting / lowering conveying apparatus for an article conveying container (hereinafter abbreviated as a container) according to the present invention.
- FIG. 2 is a plan view showing a Y-direction drive mechanism of the container lifting / lowering transport apparatus.
- FIG. 3 is a plan view showing an X-direction drive mechanism of the container lifting / lowering transport apparatus.
- FIG. 4 is a partially cutaway plan view showing a container gripping state of the container lifting / lowering transport apparatus.
- FIG. 5 is an elevational view of the main part of the container lifting / lowering transport apparatus as seen from the outside in the Y direction.
- FIG. 1 is a perspective view showing an outline of an entire storage facility using a lifting / lowering conveying apparatus for an article conveying container (hereinafter abbreviated as a container) according to the present invention.
- FIG. 2 is a plan view showing a Y-direction drive mechanism of
- FIG. 6 is an elevational view of the main part of the container lifting and lowering conveying apparatus as seen from the outside in the X direction.
- FIG. 7 is an elevational view of the lower gripping tool of FIG. 6 viewed from the inside in the X direction.
- FIG. 8 is a longitudinal side view showing a state immediately before the lower gripping tool lifts the container.
- FIG. 9A is a longitudinal side view showing a first stage of an operation in which the lower gripping tool lifts the container
- FIG. 9B is a longitudinal side view showing the second stage.
- FIG. 10 is a longitudinal side view of the main part for explaining the function of the sensor when the container lifting / lowering transport device is raised after the container transfer is completed.
- 11A is a side view showing a state during transfer when containers are stacked, FIG.
- FIG. 11B is a side view showing an abnormal transfer state when container stacking is completed, and FIG. 11C is when normal transfer is completed FIG. 11D is a side view showing a state when an abnormal transfer is detected.
- FIG. 12 is a flowchart for explaining the flow of the control system.
- the storage facility shown in FIG. 1 has a container lifting / lowering conveying device 2 installed above a container storage area 1 in a horizontal rectangular plane.
- the container storage area 1 is provided with a pair of front and rear guide rails 3 that are horizontally installed along both front and rear sides thereof.
- the pair of front and rear guide rails 3 are horizontally movable in the Y direction (left and right direction).
- a horizontally long traveling body 4 is supported, and a carriage 5 is supported on the traveling body 4 so as to be horizontally movable in the X direction (front-rear direction).
- the container lifting and lowering conveying device 2 is supported by the carriage 5.
- the container lifting and lowering conveying device 2 is configured to detect the true position of an arbitrary position in the container storage area 1 by the horizontal movement of the traveling body 4 in the Y direction and the horizontal movement of the carriage 5 on the traveling body 4 in the X direction. You can move up.
- a container loading conveyor 6 that loads containers into the container storage area 1 from outside the container storage area 1 and a container that unloads containers from the container storage area 1 to outside the container storage area 1.
- a carry-out conveyor 7 is also provided.
- the carriage 5 has a rectangular frame shape on the plane, and guide rails 8a and 8b parallel to the X direction are laid on the pair of side frames 5a and 5b in the Y direction.
- a pair of movable bases 9a and 9b in which both ends are supported so as to be laterally movable in the X direction are provided on the pair of guide rails 8a and 8b in the Y direction.
- endless belts 10a and 10b for driving in the X direction are stretched on the side frames 5a and 5b of the carriage 5 in parallel with the X direction on the outer positions of the side frames 5a and 5b.
- Drive means for driving the endless belts 10a and 10b to rotate forward and backward in synchronization with each other is provided, and both end portions of one movable base 9a are connected to upper path portions that move in the same direction of the drive endless belts 10a and 10b. Then, both end portions of the other movable base 9b are connected to lower path portions of the X-direction driving endless belts 10a and 10b that move in the direction opposite to the upper path portion. Therefore, when both endless belts 10a, 10b for driving in the X direction are driven to rotate forward by the driving means, the pair of movable bases 9a, 9b move close to each other in the X direction, and the endless belts 10a, 10b for driving in the X direction are reversed. When driven, the pair of movable bases 9a and 9b move away from each other in the X direction.
- a pair of movable side frames 11a and 11b in the Y direction whose length in the X direction is longer than the length of the reciprocating path in the X direction of the movable bases 9a and 9b are movable bases.
- the guide rails 12a and 12b laid in parallel with the Y direction on 9a and 9b are supported so as to be movable in the Y direction.
- Y direction driving endless belts 13a and 13b are stretched in parallel with the Y direction at outer positions of both ends of the movable side frames 11a and 11b.
- Driving means for driving forward and reverse rotation in synchronization with each other is provided on the carriage 5.
- Both end portions of one movable side frame 11a are connected to an upper path portion that moves in the same direction of both endless belts 13a, 13b for driving in both Y directions, and both end portions of the other movable side frame 11b are for both Y direction driving.
- the endless belts 13a and 13b are connected to a lower path portion that moves in a direction opposite to the upper path portion. Therefore, when the drive means drives both endless belts 13a, 13b for Y-direction forward rotation, the pair of movable side frames 11a, 11b move closer to each other in the Y-direction, and both endless belts 13a, 13b for drive are driven in reverse. Then, the pair of movable side frames 11a and 11b move away from each other in the Y direction.
- a pair of movable bodies 16a, 17a and 16b in the X direction are provided inside the movable side frames 11a and 11b via guide rails 14a, 15a and 14b and 15b laid inside the movable side frames 11a and 11b.
- 17b are supported, and support arms 18a to 19b extending inward in the X direction from the movable bodies 16a to 17b are provided.
- the container lifting and lowering conveying device 2 includes a pair of container gripping means 20A and 20B that can be lifted and lowered in the X direction.
- Both of these container gripping means 20A and 20B include two upper and lower gripping tools 21a and 21b positioned at the center in the Y direction and a pair of positioning tools 22a and 22b positioned on both sides of the gripping tools 21a and 21b in the Y direction.
- they have symmetrical structures.
- Each gripping tool 21a, 21b has the same structure that is supported so as to be movable up and down within a certain range at the lower end and the intermediate height of the lifting column 23 supported vertically inside the movable bases 9a, 9b. As shown in FIGS.
- a large number of freely retractable pins 25 are protruded from a vertically long casing 24 that is fitted horizontally to the elevating columnar body 23 and has a horizontally concave shape.
- Each pin 25 has a structure in which at least two pins 25 are arranged at equal intervals in the vertical direction with at least two pins 25 positioned at the same height and left and right symmetrically. It is biased and held by a spring so as to protrude from the head.
- 23a and 23b are elevating guide rails laid along the length direction on both sides in the X direction of the elevating columnar body 23, and the elevating columnar body 23 is connected via the elevating guide rail 23a.
- the movable bases 9a and 9b are supported so as to be movable up and down, and the upper and lower gripping tools 21a and 21b are supported so as to be movable up and down within a certain range with respect to the lifting columnar body 23 via the guide rails 23b for lifting and lowering. .
- the pair of positioning tools 22a and 22b in the Y direction has an L-shaped cross section that is substantially the same length as the elevating columnar body 23 and is symmetrical in the Y direction, and is positioned on each of the support arms 18a to 19b positioned on the outer side. It is supported so as to be movable up and down via lifting guide rails 26a and 26b attached to the outside of the tools 22a and 22b. Further, as shown in FIG. 6, the pair of positioning tools 22a and 22b in the Y direction are suspended from support means 27 attached to the upper end portion of the elevating columnar body 23 that supports the gripping tools 21a and 21b. They are connected to each other by a connecting parallel link mechanism 28.
- the support means 27 allows both the positioning tools 22a and 22b to move relative to and away from each other in the Y direction.
- the connecting parallel link mechanism 28 is moved up and down by an elevating guide rail 23b laid on the elevating columnar body 23.
- a parallel link mechanism 37 for connection comprising a central link member 34 and parallel links 35a to 36b for connecting the upper and lower end portions of the central link member 34 and the two upper and lower positioning tools 22a, 22a and 22b, 22b. are connected to each other.
- the pair of movable bases 9a and 9b in the X direction are provided with elevating drive means 38a and 38b for raising and lowering the container gripping means 20A and 20B provided on the movable bases 9a and 9b.
- Both lifting drive means 38a and 38b have the same structure, and as shown in FIGS. 3, 5 and 6, on both sides in the Y direction of the lifting column 23, at both upper and lower ends of the lifting column 23.
- the elevating columnar body 23 is connected to the pair of fixing belts 39a in the Y direction. And configured to move up and down through a 39 b.
- the holding tools 21a and 21b supported by the elevating columnar body 23 and the support means 27 at the upper end of the elevating columnar body 23 are suspended in the Y direction.
- the pair of positioning tools 22a and 22b moves up and down together.
- the container gripping means 20A and 20B that move up and down with respect to the movable bases 9a and 9b by the raising and lowering driving means 38a and 38b are used to move the X-direction driving endless belts 10a and 10b shown in FIG. By rotating, they move symmetrically toward and away from each other in the X direction. Further, by rotating the Y direction driving endless belts 13a and 13b shown in FIG. The pair of positioning tools 22a and 22b in the Y direction can be moved toward and away from each other symmetrically in the Y direction. Each exercise can be performed separately or simultaneously.
- the optical axis is parallel to the X direction between the belt mounting substrate 45a on the container gripping means 20A side and the belt mounting substrate 45a on the container gripping means 20B side that are symmetrical in the X direction.
- the photoelectric sensor 47 for detecting the upper end height of the transferred container is attached.
- the photoelectric sensor 47 includes a light projector 49a and a light receiver 49b attached via brackets 48a and 48b.
- the container C carried into the container storage area 1 by the container carry-in conveyor 6 is stored and stored at an arbitrary position in the container storage area 1, and vice versa.
- the container C stored at an arbitrary position in the container storage area 1 can be lowered onto the container carry-out conveyor 7 and carried out of the container storage area 1 by the container carry-out conveyor 7.
- the container elevating / conveying device 2 on the carriage 5 is moved to the container C in the container storage area 1 by traveling in the Y direction of the traveling body 4 and traveling in the X direction of the carriage 5 on the traveling body 4. This is performed by the container lifting / lowering operation of the container lifting / lowering conveying device 2 after that.
- the container lifting operation of the container lifting / lowering apparatus 2 will be described.
- the container lifting / lowering conveying apparatus 2 in a state where the container gripping means 20A and 20B are raised to the standby position at the upper limit is stored in the container C to be delivered.
- the virtual square on the plane connecting the four positioning tools 22a and 22b in the container gripping means 20A and 20B is slightly larger than the plane size of the container C to be delivered.
- the approaching movement of the container gripping means 20A, 20B in the X direction and the approaching movement of the positioning tools 22a, 22b in the container gripping means 20A, 20B in the Y direction are performed up to the position.
- the center position of the rectangle surrounded by the four positioning tools 22a and 22b is the object to be delivered in plan view. It almost coincides with the center position P (see FIG. 4) of the container C.
- the elevating drive means 38a and 38b are operated, and both container gripping means 20A and 20B are placed on the container C to be delivered (the floor of the container storage area 1).
- the container gripping means 20A, 20B is lowered to the bottom height of a single container or all containers stacked, or a specific container at an arbitrary height among the stacked containers. As shown in FIGS.
- the container C includes, on its bottom surface, a protruding bottom portion Ca that fits into the upper end opening of the lower container C when stacked, and upper and lower ends of the peripheral wall portion, and an upper end.
- Reinforcing ribs Cb to Cd that project horizontally from the middle height of the side are integrally formed so as to be continuous over the entire circumference. Are of a size.
- both container gripping means 20A and 20B are lowered to a predetermined height, then the X direction driving endless belts 10a and 10b are moved closer to each other in the X direction.
- the Y direction driving endless belts 13a and 13b are driven to rotate in the direction in which the pair of positioning tools 22a and 22b in the Y direction of the container gripping means 20A and 20B move toward each other in the Y direction.
- the gripping tools 21a and 21b of both container gripping means 20A and 20B sandwich the container C to be delivered from both sides in the X direction, and the four positioning tools 22a and 22b are connected to the container C. It will be fitted around the corners of the four corners.
- the vertical casing 24 has a surface close to the outer surface of the container C (specifically, the peripheral edges of the reinforcing ribs Cb to Cd).
- the pin 25 located vertically away from the ribs Cb to Cd enters the space between the reinforcing ribs Cb to Cd adjacent to each other vertically, but the pin 25 located so as to overlap the reinforcing ribs Cb to Cd
- the longitudinal casing 24 retreats against the urging force of the spring urging each pin 25.
- the lower gripping tool 21b always operates.
- the upper gripping tool 21a is intended for delivery of a plurality of stacked containers C. Only when the height is higher than the interval between the upper and lower gripping tools 21a and 21b, it operates.
- both the container gripping means 20A and 20B in the container gripping state shown in FIG. 9A are moved up to the upper limit height by operating the lifting drive means 38a and 38b.
- a pin 25 (a container parallel to the Y direction) that enters the container C directly below the reinforcing ribs Cb and Cc of at least the lower holding tool 21b among the upper and lower holding tools 21a and 21b on both sides in the X direction.
- the two pins 25) located at the target position in the Y direction with respect to the center position of the side surface can be lifted vertically upward via at least one of the reinforcing ribs Cb and Cc.
- the container lifting and lowering conveying device 2 that lifts the container C is moved on the container carrying conveyor 7 by traveling in the Y direction of the traveling body 4 and traveling in the X direction of the carriage 5 on the traveling body 4.
- the suspended container C can be lowered onto the container carrying-out conveyor 7 by moving to the position and then executing the container lowering operation described below.
- the container unloading operation will be described.
- the container container C fed into the container storage area 1 by the container carry-in conveyor 6 is moved by the container gripping means 20A, 20B of the container lifting / lowering conveyance device 2 by the container lifting operation.
- the container elevating / conveying device 2 that lifts the container C by traveling in the Y direction of the traveling body 4 and traveling in the X direction of the carriage 5 on the traveling body 4 after being gripped and raised to the upper limit height. Is moved to the warehousing target position in the container storage area 1.
- the actual size of the container C to be handled at this time (the actual size of the entire height in the stacked state) is read from the handling container database, etc. Automatically entered as a part.
- the height value of the stacked container Cx on the side to be stacked can also be obtained from the storage state database.
- the total normal height value of the transferred container C after completion of warehousing is obtained by adding the height value of the warehousing target container C to be stacked, and is automatically input as part of the warehousing control data.
- the normal value of the upper end height of the transferred container C when the warehousing is completed is automatically set as a part of the automatic control data of the warehousing work to be started before the warehousing work is started (FIG. 12). Step S1).
- the lifting drive means 38a and 38b are operated to grip the warehousing target container C.
- the container gripping means 20A and 20B are lowered and the warehousing target container C is lowered to the warehousing target position in the container storage area 1, the warehousing target container C is lowered directly on the floor in the container storage area 1.
- the container gripping means 20A, 20B When lowering and stacking on other stored containers Cx, the container gripping means 20A, 20B The protruding bottom portion Ca of the storage target container C is fitted into the upper end opening of the stored container Cx, and the lowermost reinforcing rib Cd is placed on the uppermost reinforcing rib Cb of the storage target container C.
- the container gripping means 20A and 20B are lowered to a height slightly lower than the height. If the container gripping means 20A, 20B are lowered and stopped to a predetermined height, the X-direction driving endless belts 10a, 10b and the Y-direction driving endless belts 13a, 13b are rotated in the reverse direction, contrary to the container lifting operation.
- the pair of gripping tools 21a and 21b in the X direction are moved so as to be separated from both side surfaces in the X direction of the storage container C, and the four positioning tools 22a and 22b are moved from the corners of the four corners of the storage container C.
- the container gripping means 20A and 20B are moved away in the horizontal direction from the warehousing target container C by moving away from each other in the X direction and the Y direction, and the gripping action is released.
- the lifting drive means 38a, 38b is operated to raise the container lifting / lowering conveying device 2 (container gripping means 20A, 20B) to the upper limit height, thereby lowering the storage container C.
- the photoelectric sensor 47 attached to the container gripping means 20A, 20B is set in an operating state when the container gripping means 20A, 20B starts to rise after the gripping action is released (step S2 in FIG. 12). (Step S3 in FIG. 12), the upper end height of the transferred container (container container) C can be detected by the photoelectric sensor 47.
- a pulse encoder interlocked with the motor 43 with a speed reducer of the elevating drive means 38a, 38b for elevating and lowering the container gripping means 20A, 20B, and a counting means for adding the transmitted pulse when it rises and subtracting it when it descends Is used to obtain the current height value of the container gripping means 20A, 20B with respect to a set reference height (for example, the lower limit height of the container gripping means 20A, 20B or the upper limit height) at which the count value is reset. I can do it.
- the photoelectric sensor 47 is in the middle position between the pair of positioning tools 22a and 22b in the Y direction and in the vicinity of the lower end of the container gripping means 20A and 20B, and the optical axis 47a between the projector 49a and the light receiver 49b is in the X direction. Since the photoelectric sensor 47 is in an OFF state while the transferred container C exists at a position overlapping the optical axis 47a, as shown in FIG. 9, the container gripping means 20A, 20B When the optical axis 47a of the photoelectric sensor 47 exceeds the upper end of the transferred container C due to the rise, the light receiver 49b enters the light receiving state and the sensor 47 switches to the ON state (step S4 in FIG. 12). ).
- the count value of the transmission pulse (the current height information of the container gripping means 20A and 20B) is used as the transferred container upper end height detection value. Read (step S5 in FIG. 12).
- the transferred container upper end height detection value detected using the photoelectric sensor 47 is compared with the normal value of the transferred container upper end height set before starting the warehousing operation, and the difference between the two values is calculated. (Step S6 in FIG. 12), the difference is compared with a preset threshold value (step S7 in FIG. 12), and when the difference is within the allowable range, transfer after the completion of warehousing.
- the overall posture of the completed container C can be determined to be normal, and the normal operation can be shifted to the next operation (step S8 in FIG. 12).
- the protruding bottom portion Ca of the storage target container C is not completely fitted into the upper end opening of the stacked container Cx on the stacked side, as shown in FIG. 11B.
- the warehousing operation is completed with a part of the protruding bottom portion Ca of the warehousing target container C being hooked on a part of the peripheral edge of the upper end opening of the warehousing container Cx, as shown in FIG. In this case, the upper end of the transferred container C is inclined rather than horizontal.
- the height at which the optical axis 47a of the photoelectric sensor 47 moves away from the inclined upper end of the transferred container C that is, the detected height value H2 of the transferred container upper end by the photoelectric sensor 47 is shown in FIG. 11C.
- the error ⁇ becomes larger.
- this error ⁇ exceeds the allowable range described above, it is determined that the overall posture of the transferred container C after the completion of warehousing is abnormal. As described above, various possible controls are started (step S9 in FIG. 12).
- the photoelectric sensor 47 a transmission type photoelectric sensor composed of a projector 49a and a light receiver 49b is used. However, in some cases, a reflection type photoelectric sensor may be used.
- reflective photoelectric sensors are attached to the positions of the light projector 49a and the light receiver 49b, respectively, and the upper end heights of both sides of the container are detected by these both reflective photoelectric sensors, and the container inclination is detected from the error in the detected height. It is also possible to determine the inclination of the container from the time difference at the time of switching from the detection ON state to the OFF state of the double reflection photoelectric sensor.
- the optical axis 47a of the photoelectric sensor 47 is configured to be parallel to the X direction, when the container upper end is inclined in the X direction, the transferred container upper end height is normal.
- the error of the transferred container upper end height detection value with respect to the value increases, but the error decreases when the container upper end is inclined in the Y direction.
- an allowable range (threshold value) of an error with respect to a normal value must be set.
- the lowermost reinforcing rib Cd of the upper container is always received by the uppermost reinforcing rib Cb of the lower container, so that the height of the upper end of the container during abnormal stacking is normal. Since it does not become lower than the height of the upper end of the container at the time of stacking, the object can be achieved if it is configured to detect the inclination of either one of the X and Y directions.
- the article transport container lifting / lowering transport apparatus of the present invention is installed on the side of a conveyor line for transporting an article transport container such as a container, and the article transport container is transferred onto the conveyor line or the conveyor line. It can also be used as a means for stacking another article transport container on the article transport container transported above.
- the article conveying container lifting and lowering conveying apparatus of the present invention can automatically detect whether or not the article conveying container has been normally stacked in the storage facility of the article conveying container such as a container, particularly at the time of warehousing. It can be effectively used as a loading / unloading work means for a transport container.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Human Computer Interaction (AREA)
- Robotics (AREA)
- Stacking Of Articles And Auxiliary Devices (AREA)
- Warehouses Or Storage Devices (AREA)
- Intermediate Stations On Conveyors (AREA)
- De-Stacking Of Articles (AREA)
- Load-Engaging Elements For Cranes (AREA)
- Control And Other Processes For Unpacking Of Materials (AREA)
- Special Conveying (AREA)
Abstract
Description
2 コンテナ昇降搬送装置
3,8a,8b,12a,12b,14a~15b ガイドレール
4 走行体
5 台車
6 コンテナ搬入用コンベヤ
7 コンテナ搬出用コンベヤ
9a,9b 可動台
10a,10b X方向駆動用無端ベルト
11a,11b 可動側枠
13a,13b Y方向駆動用無端ベルト
16a~17b 可動体
20A,20B コンテナ把持手段
21a,21b 把持具
22a,22b 位置決め具
23 昇降柱状体
25 出退自在なピン
27 支持手段
28,37 連結用平行リンク機構
38a,38b 昇降用駆動手段
39a,39b 固定ベルト
41a,41b 同軸駆動用プーリー
43 減速機付きモーター
47 光電センサー
47a 光軸
49a 投光器
49b 受光器
C,Cx コンテナ
Ca コンテナの突出底部
Cb~Cd コンテナの補強用リブ
Claims (2)
- 物品搬送用容器を両側から把持して昇降させる、少なくとも二組の容器把持手段を備え、これら容器把持手段は、互いに連動して昇降すると共に前記容器に対し前後水平方向に接近離間移動自在に構成された物品搬送用容器昇降搬送装置において、前記各容器把持手段の下端近傍位置に、容器を移載した後の上昇時に当該移載済み容器の上端高さを検出するためのセンサーが取り付けられ、このセンサーが検出した移載済み容器上端高さ検出値と、取り扱う容器の高さに基づいて演算される移載済み容器上端高さ正常値との比較演算により、移載された容器の姿勢異常を判別するように構成された、物品搬送用容器昇降搬送装置。
- 前記容器把持手段は、容器の前後両側に対応させて前後二組設けられ、これら両容器把持手段は、容器側面を把持する把持具と、左右水平方向に互いに接近離間移動自在で当該容器側面の左右両角部に嵌合して容器を位置決めする左右一対の位置決め具を備え、前記センサーは、一方の容器把持手段の前記把持具の近傍位置に取り付けられた投光器と、他方の容器把持手段の前記把持具の近傍位置に取り付けられた受光器とによって構成されている、請求項1に記載の物品搬送用容器昇降搬送装置。
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RU2017118173A RU2714659C2 (ru) | 2014-12-25 | 2015-11-18 | Транспортирующее устройство для подъема/опускания контейнера, предназначенного для транспортировки изделий |
KR1020177014891A KR102465673B1 (ko) | 2014-12-25 | 2015-11-18 | 물품 반송용 용기 승강 반송 장치 |
CN201580069901.9A CN107108120B (zh) | 2014-12-25 | 2015-11-18 | 物品搬运用容器升降搬运装置 |
CA2969207A CA2969207C (en) | 2014-12-25 | 2015-11-18 | Raising/lowering conveyance apparatus for article conveying container |
EP15872562.2A EP3205606A4 (en) | 2014-12-25 | 2015-11-18 | Raising/lowering conveyance apparatus for article conveying container |
BR112017013700-3A BR112017013700B1 (pt) | 2014-12-25 | 2015-11-18 | Aparelho de transporte de içamento/abaixamento para contêiner de transporte de artigo |
US15/615,159 US10233039B2 (en) | 2014-12-25 | 2017-06-06 | Raising/lowering conveyance apparatus for article conveying container with container condition sensors |
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JP2014262251A JP6256702B2 (ja) | 2014-12-25 | 2014-12-25 | 物品搬送用容器昇降搬送装置 |
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US15/615,159 Continuation US10233039B2 (en) | 2014-12-25 | 2017-06-06 | Raising/lowering conveyance apparatus for article conveying container with container condition sensors |
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CN (1) | CN107108120B (ja) |
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CA (1) | CA2969207C (ja) |
RU (1) | RU2714659C2 (ja) |
TW (1) | TWI647164B (ja) |
WO (1) | WO2016103993A1 (ja) |
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JP6323993B2 (ja) * | 2012-08-28 | 2018-05-16 | キヤノン株式会社 | 情報処理装置、情報処理方法、及びコンピュータプログラム |
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2015
- 2015-10-07 TW TW104132965A patent/TWI647164B/zh not_active IP Right Cessation
- 2015-11-18 EP EP15872562.2A patent/EP3205606A4/en not_active Withdrawn
- 2015-11-18 KR KR1020177014891A patent/KR102465673B1/ko active IP Right Grant
- 2015-11-18 RU RU2017118173A patent/RU2714659C2/ru active
- 2015-11-18 BR BR112017013700-3A patent/BR112017013700B1/pt active IP Right Grant
- 2015-11-18 WO PCT/JP2015/082379 patent/WO2016103993A1/ja active Application Filing
- 2015-11-18 CN CN201580069901.9A patent/CN107108120B/zh active Active
- 2015-11-18 CA CA2969207A patent/CA2969207C/en active Active
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2017
- 2017-06-06 US US15/615,159 patent/US10233039B2/en active Active
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2020008708A1 (ja) * | 2018-07-05 | 2020-01-09 | 株式会社ダイフク | 物品搬送用容器の昇降搬送装置 |
JP2020007080A (ja) * | 2018-07-05 | 2020-01-16 | 株式会社ダイフク | 物品搬送用容器の昇降搬送装置 |
CN111766882A (zh) * | 2020-07-03 | 2020-10-13 | 上海振华重工(集团)股份有限公司 | 一种适用于agv的集装箱检测方法及自动化码头管理系统 |
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JP2016121001A (ja) | 2016-07-07 |
CA2969207C (en) | 2022-08-30 |
RU2017118173A3 (ja) | 2019-04-04 |
CN107108120A (zh) | 2017-08-29 |
BR112017013700B1 (pt) | 2021-11-30 |
CA2969207A1 (en) | 2016-06-30 |
TW201632442A (zh) | 2016-09-16 |
CN107108120B (zh) | 2019-05-10 |
EP3205606A1 (en) | 2017-08-16 |
JP6256702B2 (ja) | 2018-01-10 |
US20170267469A1 (en) | 2017-09-21 |
EP3205606A4 (en) | 2018-06-27 |
RU2714659C2 (ru) | 2020-02-18 |
RU2017118173A (ru) | 2019-01-25 |
KR102465673B1 (ko) | 2022-11-10 |
US10233039B2 (en) | 2019-03-19 |
KR20170097025A (ko) | 2017-08-25 |
BR112017013700A2 (ja) | 2018-01-16 |
TWI647164B (zh) | 2019-01-11 |
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