Apparatus for the automated removal of workpieces arranged in a container

Patent metadata

Field	Value
Publication number	US-9958851-B2
Application number	US-201514728993-A
Country	US
Kind code	B2
Filing date	Jun 2, 2015
Priority date	Jun 2, 2014
Publication date	May 1, 2018
Grant date	May 1, 2018

Abstract

The present disclosure shows an apparatus for the automated removal of workpieces arranged in a container, having an object recognition device for detecting the workpieces and a gripper for gripping and removing the workpiece from the container and having a control for evaluating the data of the object recognition device, for path planning and for controlling the gripper. In this respect, the apparatus is set up in a modular manner by a handling module and a feed module, wherein the handling module has the gripper kinematics, in particular a robot or an area gantry, and the feed module has an arrangement for providing a container having workpieces.

First claim

The invention claimed is:

1. An apparatus for automated removal of workpieces arranged in a container that is set up in a modular manner, the apparatus comprising:
a feed module, the feed module comprising an arrangement for providing the container containing workpieces, and where the feed module comprises an object recognition device for detecting the workpieces in the container; and
a handling module comprising at least one gripper for gripping and removing the workpieces from the container, and each of the at least one grippers having a controller for evaluating data of the object recognition device, for path planning, and for controlling the gripper,
wherein the handling module further comprises cell walls, where cell walls of the feed module and the cell walls of the handling module protect a working zone of the respective module from unauthorized access, the feed module and the handling module comprising mechanical connection points for connecting to one another,
wherein the feed module and the handling module comprise an electrical interface, a pneumatic interface, or a hydraulic interface for connecting to one another, and
wherein the arrangement for providing the container of the feed module is, when connected to the handling module, accessible from an outside of the cell walls on at least one side of the feed module for introduction of full containers into the feed module and for removal of empty containers from the feed module.

2. The apparatus in accordance with claim 1 , wherein the apparatus further comprises an output module which has at least one workpiece placement area on which the workpieces are placed down in a separated manner or in a defined position, and wherein the output module includes a transport path for the workpieces.

3. The apparatus in accordance with claim 1 , wherein the apparatus further comprises a machining or assembly module,
wherein the machining or assembly module has a workpiece placement area at which the workpieces are placed down by a gripper of the at least one gripper of the handling module and has a machining or assembly unit which machines or assembles the workpieces, and
wherein the machined or assembled workpieces are gripped by the gripper of the at least one gripper of the handling module and placed down onto a workpiece placement area of an output module.

4. The apparatus in accordance with claim 1 , wherein one or more of the modules has/have one or more of cell frames, a base plate, and cell walls, and wherein the modules have the mechanical connection points for connecting to one another which are arranged at the cell frames.

5. The apparatus in accordance with claim 1 , wherein the individual modules have additional interfaces including one or more of pneumatic interfaces and hydraulic interfaces for connecting to one another, and wherein the interfaces allow a coordination of an operation of the individual modules, and wherein an interface to a production control system is provided, where the interface to the production control system allows the coordination of the operation of the individual modules with a further production system.

6. The apparatus in accordance with claim 1 , wherein the arrangement for providing the container having the workpieces of the feed module is accessible from the outside via a door, a light barrier, an automatic container feed path, or a container removal path.

7. The apparatus in accordance with claim 1 , wherein the arrangement for providing the container having the workpieces of the feed module is supplied with containers via an automatic container feed path or removal path, wherein the arrangement for providing the container having the workpieces receives at least two containers, and wherein the feed module has a transport arrangement for transporting containers in an interior of the feed module, wherein the transport arrangement cooperates with the automatic container feed path or removal path or is combined with the automatic container feed path or removal path, and wherein a light barrier is provided which secures a feed zone.

8. The apparatus in accordance with claim 1 , wherein the arrangement for providing the container having the workpieces of the feed module has a transverse shuttle which cooperates with a container feed path and with a container removal path each having opposite transport directions, or
wherein the arrangement for providing the container having the workpieces of the feed module has a rotary table on which the containers are arranged, wherein the containers are travelable by rotating the rotary table from a feed zone of the feed module into a working zone of the gripper of the handling module and vice versa, with the rotary table having separating walls which separate the feed zone from the working zone, or
wherein a transport path for containers leads through the feed module.

9. The apparatus in accordance with claim 1 , wherein the feed module also takes over transporting off of the workpieces in addition to the providing of the containers, wherein only one transport path is provided on which both the containers are transported in and away from the handling module, and wherein only one transport path is provided on which separated or positioned workpieces are transported away from the handling module, wherein containers having unordered workpieces and palletizing baskets for receiving the separated or positioned workpieces are transported on the transport path, the palletizing baskets having nests for receiving the workpieces.

10. The apparatus in accordance with claim 1 , wherein the apparatus further comprises a buffer station on which the gripper places down the workpieces after the removal from the container, where the workpieces are picked up from the buffer station by the gripper and placed down in an end placement area,
where the buffer station is integrated into the handling module, or where the buffer station is arranged in a buffer module, or where the buffer station is arranged in an output module.

11. The apparatus in accordance with claim 1 , wherein an output module comprises a palletizing cell or cooperates with a palletizing cell, wherein the workpieces are placed down in palletizing baskets of the palletizing cell, and
wherein the output module cooperates with a pallet handling system, wherein the output module corresponds to an equipping or feed module of the pallet handling system in a particular embodiment.

12. The apparatus in accordance with claim 1 , further comprising a plurality of handling modules which cooperate with an output module, where the plurality of handling modules cooperate with the output module with a transport path for transporting away of separated workpieces from the handling module, and where the handling modules each having separate feed modules.

13. The apparatus of claim 1 , wherein the feed module comprises a separating apparatus via which a feed zone for a first container and a feed zone for a second container are selectively separated from a working zone of the gripper, where the workpieces are gripped from the first container while the second container is separated from the working zone of the gripper and replaced from the outside.

14. The apparatus of claim 13 , wherein a hood is provided which is arranged in the feed module, and wherein the hood is selectively arranged over the first and second containers to cover the first and second containers.

15. The apparatus of claim 1 , comprising first and second handling modules and a buffer station on which a gripper of the first handling module places down workpieces after removal from the container, with th

Assignees

• Liebherr Verzahntech Gmbh

Inventors

• Mattern Thomas
• Haenschke David
• Riedmiller Berhard

Classifications

• G05B2219/49223

  Remove workpiece portions left uncut, unmachined by tool with suitable shape · CPC title

• G05B19/19 Primary

  characterised by positioning or contouring control systems, e.g. to control position from one programmed point to another or to control movement along a programmed continuous path · CPC title

• B25J9/0096

  co-operating with a working support, e.g. work-table · CPC title

• B25J9/0084 Primary

  comprising a plurality of manipulators · CPC title

• B25J9/0093

  co-operating with conveyor means · CPC title