Assembly, transport device, installation device, and method
Patent Information
- Application Number
- EP2023798081
- Authority / Receiving Office
- EP · EP
- Patent Type
- Applications
- Current Assignee / Owner
- Priority Date
- 2022-10-31
- Filing Date
- 2023-10-18
- Publication Date
- 2025-09-10
Smart Images
Figure 1.1
Abstract
Description
[0001] Vanilla Automation Consulting GmbH Arrangement, transport device, assembly device and method The invention relates to an arrangement, a transport device, an assembly device and a method according to the preambles of the independent patent claims. Various assembly lines are known from the prior art. For example, it is known from the prior art that workpiece carriers are transported within an assembly line between the assembly devices using a transfer system or via automatic transport robots with permanently attached roller conveyor technology or similar permanently attached workpiece carrier holders. These assembly lines have limitations with regard to flexibility, scalability, accessibility and cost-effectiveness. For example, assembly lines with workstations and workpiece carriers for workpieces are known from the prior art.Such assembly lines consist of a workpiece carrier transfer system that transports the workpiece carriers. A disadvantage of these assembly lines, however, is that their flexibility is limited due to the rigid linking of the individual modules with the workpiece carrier transfer system. Individual modules, stations, and processes cannot be accessed in an individual sequence using the workpiece carrier. Conversions and expansions of such assembly lines can sometimes involve very high costs and lengthy production downtimes. Furthermore, accessibility to the assembly devices is limited by the workpiece carrier transfer systems. Furthermore, autonomous mobile robots are known from the state of the art. Known autonomous mobile robots consist of a body and a transport device designed as a workpiece or workpiece carrier holder.A disadvantage of these conventional robots, however, is that the transport device is permanently connected to the robot. The transport device cannot be used without the robot and cannot be operated manually. Mobile robots are also known from the prior art as a conveyor system, which comprise a conveyor belt that is configured to pick up an object from the mobile robot and / or deliver the object to the mobile robot. Such conveyor systems are configured to transport the object while the mobile robot moves within the operating environment. A disadvantage of these conventional conveyor systems, however, is that the transport device is permanently connected to the transport robot. The transport device cannot be used without the robot and cannot be operated manually. The object of the invention is to overcome the disadvantages of the prior art.In particular, the object of the invention is to provide an arrangement, in particular an assembly line, a transport device, an assembly device, and a method, wherein the transport devices can be used flexibly and independently. The invention is therefore based, among other things, on the object of creating an arrangement, a transport device, an assembly device, and a method that enables efficient and economical operation of the arrangement with both low and high production quantities. Vanilla Automation Consulting GmbH The object of the invention is achieved in particular by the features of the independent patent claims.In particular, the invention relates to an arrangement, in particular an assembly line or a part of an assembly line, preferably for conveying and / or processing a workpiece and / or a workpiece carrier, wherein the arrangement comprises at least one, in particular mobile, transport device, at least one, in particular stationary, assembly device and optionally a transport robot. In particular, it is provided that the transport device can be changed in its position relative to the assembly device. Optionally, it is provided that the transport device is designed such that the transport device can be moved and / or displaced by the transport robot and / or an operator. In particular, the transport device can be moved and / or displaced by the transport robot and / or an operator from one assembly device to another.In particular, the transport device, in particular the transport device conveyor, can be moved decoupled from a transport robot, which may be moving the transport device, and / or a hand pallet truck. Preferably, the transport device can comprise a transport device conveyor, in particular a roller conveyor. Preferably, the assembly device can comprise an assembly device conveyor, in particular a roller conveyor. Preferably, the transport device conveyor and the assembly device conveyor are configured and / or designed to receive and / or transport a workpiece and / or a workpiece carrier.Vanilla Automation Consulting GmbH In particular, the transport device conveyor device and / or the assembly device conveyor device can be designed as a workpiece receiving device and / or as a workpiece carrier receiving device. In particular, the transport device conveyor device and / or the assembly device conveyor device can comprise a workpiece receiving device and / or a workpiece carrier receiving device. In particular, the transport device conveyor device and / or the assembly device conveyor device can be designed and / or configured to convey, transport, and / or move a workpiece. In particular, the transport device conveyor device can be arranged on the top side of the transport device. The assembly device preferably comprises a transfer station.In particular, the assembly device conveyor can be arranged on the upper side of the assembly device, in particular the transfer station. In particular, the transport device conveyor and the assembly device conveyor can be arranged at the same height relative to one another, so that, if necessary, transport of the workpiece from the transport device to the assembly device is possible. If necessary, the transport device can receive workpieces via the transport device conveyor, in particular the roller conveyor of the transport device. If necessary, the assembly device can receive workpieces via the assembly device conveyor, in particular the roller conveyor of the assembly device. In the context of the present invention, a workpiece can be understood as at least one workpiece and / or at least one workpiece carrier.Vanilla Automation Consulting GmbH If appropriate, it can be provided that the transport device is designed and / or constructed for a connection to the transport robot, in particular a reversible and / or positive-locking connection, so that the transport device can be moved by the transport robot, if appropriate. In particular, it is provided that the transport device is designed such that the transport device can be connected to the transport robot, in particular reversibly and / or positively, preferably for movement of the transport device by the transport robot. If appropriate, it can be provided that the transport device is designed such that the transport device can be connected to the transport robot, in particular reversibly and / or positively, so that the transport device can be moved and / or displaced by the transport robot.If appropriate, it can be provided that the transport robot is designed for reversible and / or positive connection to the transport device. In particular, the transport robot is designed to move the transport device, in particular the transport device and a workpiece lying on the transport device. In particular, it can be provided that the transport device comprises a pulling device which is designed for reversible and / or positive connection to a coupling device of the transport robot. It can preferably be provided that the assembly device comprises an electrical energy source, in particular a power source and / or a battery. It can preferably be provided that the transport device is designed and / or constructed without an energy source, in particular without a power source and / or battery.Vanilla Automation Consulting GmbH It can preferably be provided that the transport device and the assembly device are designed for electrical connection to one another, so that electrical energy, in particular current, can be transferred from the assembly device to the transport device if the transport device is electrically connected to the assembly device. It can preferably be provided that the transport device is designed and / or constructed in such a way that the transport device, in particular the transport device conveying device, is and / or can be supplied with electrical energy, in particular current, preferably exclusively from, in particular the electrical energy source of the assembly device, in particular if the transport device is electrically connected to the assembly device.Optionally, it can be provided that the transport device, in particular the transport device conveyor device, is and / or can be supplied with electrical energy, in particular electricity, preferably exclusively, by, in particular the electrical energy source, of the assembly device. Optionally, the transport device is electrically connectable to, in particular the transfer station of the assembly devices, and / or can be supplied with electrical energy. Optionally, it is provided that the assembly device is designed and / or constructed in such a way that the assembly device, in particular the transfer station of the assembly device, the transport device, in particular the transport device conveyor device, is and / or can be supplied with electrical energy, in particular electricity, by the assembly device.In particular, the transport device and the assembly device are designed and / or configured to be electrically connected to one another so that electrical energy, in particular electricity, can be transmitted if necessary. Vanilla Automation Consulting GmbH In particular, it is provided that activation of the transport device conveyor device, in particular movement of the rollers of the roller conveyor of the transport device, is only possible if the transport device is electrically connected to the assembly device. The transport device can, if necessary, be designed without an energy source, battery, current source and / or power storage device. In the context of the invention, a transport device without an energy source, battery, current source and / or power storage device can be understood to mean a transport device which has no energy source, no battery, no power source, no power storage device or the like.Because the transport device can be supplied with energy, in particular exclusively, via the assembly device, the structure of the transport devices is simple compared to conventional designs known from the prior art and is therefore extremely economical, since the transport device has no energy source, no battery, no power source and / or no power storage device. In other words, it is optionally provided that the power supply of the transport device, in particular the transport device conveyor device, is preferably exclusively provided via the assembly device. In addition, the transport devices can also be located without a transport robot, in particular separated and / or decoupled from the transport robot, at the assembly device for loading or unloading, preferably at the transfer station.As a result, the transport robot is available for other tasks during the loading or unloading process, if necessary, which is particularly economical, especially for smaller production runs or when a production line is ramping up. If necessary, the transport robot can be connected to another transport device during the loading or unloading process and, if necessary, move this other transport device. Vanilla Automation Consulting GmbH If necessary, the arrangement is designed as an assembly line or part of an assembly line. In particular, the invention relates to an assembly arrangement, in particular an assembly line, wherein the assembly arrangement optionally comprises a plurality of arrangements according to the invention, in particular a plurality of transport devices according to the invention, a plurality of assembly devices according to the invention and at least one transport robot.Optionally, in the arrangement and / or the assembly arrangement, workpieces can be transported between the individual assembly devices on mobile transport devices. The transport device can comprise externally driven transport device conveyors, in particular roller conveyors. The mobile transport devices can be moved between the individual assembly devices by a transport robot or by an operator. Optionally, the transport device, in particular the transport device conveyor, can be supplied, activated, and / or driven exclusively via an external electrical energy source, such as, in particular, the power source of the assembly device.In particular, the transport device, preferably the transport device conveyor, can be supplied with energy, activated and / or driven exclusively by the electrical energy source, preferably the power source, of the assembly device, in particular during loading and unloading. In other words, it can be provided that the transport device conveyor is and / or can be supplied with electrical energy exclusively by the electrical energy source of the assembly device. Vanilla Automation Consulting GmbH In particular, it is provided that the transport device is designed such that the transport device is de-energized when it is moved. If appropriate, it is provided that, in particular exclusively, an electrical connection is and / or can be established between the transport device and the assembly device.In particular, a mechanical connection between the transport device and the assembly device, as known from the prior art, may therefore be unnecessary. If appropriate, the transport device conveyor device and / or the assembly device conveyor device is designed to transport workpiece carriers and / or workpieces with a weight in a range from 50 kg up to and including 300 kg, in particular with a weight of 150 kg. In particular, the transport device conveyor device and / or the assembly device conveyor device is designed to transport engines, electric motors, electric drives, drive axles, batteries, fuel cells, transmissions, converters and / or parts thereof. If appropriate, the transport device has a length between 80 cm and 120 cm inclusive, in particular 100 cm. If appropriate, the transport device has a width between 80 cm and 120 cm inclusive, in particular 100 cm.Optionally, the transport device has a height of between 50 cm and 120 cm inclusive, in particular 100 cm. Optionally, the transport robot is designed to move a weight in a range of 50 kg up to and including 600 kg, in particular with a weight of 300 kg. In the context of the present invention, a transport device can also be understood as a transport unit. In the context of the present invention, an assembly device can also be understood as an assembly unit. Vanilla Automation Consulting GmbH In the context of the present invention, a transport robot can be understood as any robot which is designed and / or configured to move the transport device and, if applicable, a workpiece arranged thereon. In the context of the present invention, an assembly device can also be understood as an assembly module or an assembly station which is used to process the workpiece orthe workpiece carrier is set up and / or designed. In the context of the present invention, floor can be understood as the floor and / or subsurface on which the transport device and / or assembly devices stand. In the context of the present invention, electrical connection can be understood as an electrical coupling and / or an inductive electrical connection. Optionally, it is provided that the transport device comprises at least one travel device, in particular rollers or wheels, or feet. Optionally, it is provided that the transport device comprises a braking device, in particular a dead man's brake. Optionally, it is provided that the braking device is designed to block the at least one travel device, in particular the rotation of the rollers or wheels, so that the moveability, mobility and / or traversability of the transport device is prevented.The transport device can have at least one moving device, in particular rollers or wheels, by means of which the transport device can be moved and / or moved on the floor. Optionally, the moving devices, in particular the rollers or wheels, can roll along the floor when the Vanilla Automation Consulting GmbH transport device is moved. The moving devices allow the transport device and a workpiece lying thereon to be moved, if necessary, by an operator without a hand pallet truck. The transport device can have at least one base, in particular four bases, by means of which the transport device is supported and / or stands on the floor.In particular, it can be provided that the transport devices, in particular the transport device which comprises at least one stand, are designed such that the transport device can be lifted by a transport robot and / or a hand pallet truck for movement. In other words, it can be provided if necessary that the transport device, in particular its stands or its moving devices, is removed from the ground by being lifted by the transport robot and / or a hand pallet truck and is therefore in particular without contact with the ground. If necessary, it can be provided that the transport device which has stands is lifted by a transport robot and can subsequently be moved and / or displaced. If necessary, it can be provided that a transport device which has stands is lifted by an operator, in particular a conventional hand pallet truck, and can subsequently be moved and / or displaced.This may make it possible for the arrangement, in particular the assembly line, to be operated economically during the ramp-up phase or with low volumes. Furthermore, it may make it possible to continue and / or maintain production by means of operators in the event of a malfunction and / or failure of the transport robots. The inventor explains that this also makes it possible to meet the requirements for scalability, since additional transport devices and Vanilla Automation Consulting GmbH assembly devices can be tested in advance by manually moving the transport devices, in particular by an operator. In particular, transport robots can be integrated into existing arrangements, in particular assembly lines, following a test phase without lengthy production downtime.In particular, it can be provided that the transport device, in particular the transport device which comprises driving devices, is designed such that the transport device, like a trailer, can be towed by the transport robot. In particular, the transport robots can have and / or comprise a coupling device, in particular an extendable one, in particular a hook device and / or a bolt, for mechanical coupling to the transport device. The transport robots can be controlled and regulated by a control device. Optionally, it is provided that the braking device can be brought from a driving position into a braking position, in particular by actuating an operating device, in particular by actuating an unlocking device of the operating device, preferably by a Bowden cable, of the transport device.In particular, it is provided that the braking device can be brought from the braking position into the driving position, in particular by actuating the operating device. The operating device can comprise an unlocking device, in particular for bringing the braking device into the driving position, preferably for unlocking the dead man's brake. The operating device can be designed as a handle. Vanilla Automation Consulting GmbH If appropriate, it is provided that the braking device releases the driving device, in particular the rotation of the rollers or wheels, in the driving position, so that the transport device is movable, mobile and / or displaceable, if appropriate. If appropriate, it is provided that the braking device blocks and / or fixes the driving device, in particular the rotation of the rollers or wheels, in the braking position, so that the mobility, mobility and / or displaceability of the transport device is prevented, if appropriate.In particular, it is provided that the braking device is designed such that the braking device is or can be brought from a driving position into a braking position and from a braking position into a driving position, in particular by actuating an operating device of the transport device. If appropriate, it is provided that the braking device can have two positions, in particular the driving position and the braking position. In particular, it is provided that the braking device is designed such that the braking device in the driving position releases the driving device, in particular the rotation of the rollers or wheels. If appropriate, it is provided that the transport device is movable, mobile and / or displaceable when the braking device is in the driving position.In particular, it is provided that the braking device is designed such that the braking device blocks and / or fixes the travel device, in particular the rotation of the rollers or wheels, in the braking position. If appropriate, it is provided that the movability, mobility and / or traversability of the transport device is prevented when the braking device is in the braking position. If appropriate, it is provided that the transport device, in particular the braking device, comprises a locking device. If appropriate, it is provided that the locking device can be moved from a release position into a locking position. Vanilla Automation Consulting GmbH In particular, the locking device is designed such that the locking device is or can be moved from a release position into a locking position and / or from a locking position into the release position.If appropriate, it is provided that the locking device can have two positions, in particular the release position and the locking position. If appropriate, it is provided that the locking device is designed such that the braking device is held and / or secured in the braking position, in particular the unlocking of the dead man's brake is blocked and / or prevented when the locking device is in the locking position. In particular, it is provided that the locking device holds and / or secures the braking device in the braking position in the locking position, in particular blocks and / or prevents the unlocking of the dead man's brake. If appropriate, it is provided that the braking device cannot be brought into the driving position by actuating the operating device, in particular the unlocking device, when the locking device is in the locking position.In practice, the operator may optionally actuate the operating device, in particular the unlocking device, whereby the braking device is or will be brought into the driving position, in particular the dead man's brake can be released and / or ventilated, so that the transport device can be moved and / or displaced. The actuation of the operating device, in particular the unlocking device, can optionally be transmitted to the braking device via a Bowden cable, so that the braking device is moved from the braking position into the driving position. Optionally, it is provided that the locking device is or will be brought into the locking position as soon as the transport device is electrically connected to the assembly device, whereby movement and / or displacement of the transport device, in particular relative to the assembly device, is prevented.In particular, it is provided that the unlocking of the braking device, Vanilla Automation Consulting GmbH in particular the venting of the dead man's lock, is blocked, preferably automatically, while the electrical connection is in place. The braking device may therefore not be able to be moved from the braking position into the driving position while the transport device is electrically connected to the assembly device. If appropriate, it is provided that the locking device is in the locking position when the transport device is electrically connected and / or electrically coupled to the assembly device. If appropriate, it is provided that the transport device has an adapter device, preferably an adapter plate, in particular on its underside. If appropriate, it is provided that the adapter device is designed such that the transport device can be lifted by the transport robot and / or a hand pallet truck.As a result, the transport device can be reversibly and / or positively connected and / or connectable to the lifting device, in particular the transport robot and / or the hand pallet truck. Optionally, it is provided that the transport device comprises a pulling device. Optionally, it is provided that the pulling device is designed such that the pulling device can be reversibly and / or positively coupled and / or connectable to a or the transport robot, in particular a coupling device of the transport robot.Optionally, it is provided that the pulling device is designed such that the locking device can be brought or is brought from the locked position into the release position when the pulling device is actuated, in particular when the pulling device is coupled and / or connected to a transport robot, in particular the coupling device of the Vanilla Automation Consulting GmbH transport robot, preferably reversibly and / or positively. In particular, the pulling device is designed as a towing device. In particular, by actuating the pulling device, the locking device can be moved from the locked position into the release position and the braking device can be moved from the braking position into the driving position, so that the transport device can be moved by the transport robot, if necessary.Optionally, it can be provided that the pulling device can be moved from a first position to a second position by actuation, in particular by a preferably mechanical, positive-locking and / or reversible connection to a transport robot. The pulling device can be designed such that the pulling device moves the locking device from the locking position to the release position and the braking device from the braking position to the travel position when the pulling device is moved into the second position by the connection to the coupling device, so that the transport device can be moved by the transport robot if necessary. Optionally, it is provided that the transport device comprises two, in particular two-pole, contact-receiving devices.Optionally, it is provided that the contact-receiving devices are arranged opposite one another on the transport device, in particular on two opposite side surfaces of the transport device. Optionally, it is provided that the assembly device, in particular a transfer station of the assembly device, comprises a contact-making device, in particular a two-pole contact-making device. Vanilla Automation Consulting GmbH Optionally, it is provided that the contact-receiving devices and / or the contact-making device are designed for the electrical connection and / or electrical coupling of the transport device to the assembly device.Optionally, it is provided that the contact-receiving devices and / or the contact-making device is or are designed to establish an electrical connection and / or electrical coupling, preferably an electrical connection with 24 volts direct current, between the transport device and the assembly device. In particular, electrical energy can be transmitted, in particular from the assembly device to the transport device, by means of the electrical connection and / or electrical coupling. Optionally, it is provided that the transport device conveying device has a first conveying direction when the contact-making device is connected to the contact-receiving device and the contact-making device has a first polarity, so that, optionally, a workpiece arranged on the conveying surface of the transport device can be moved in the first conveying direction.Optionally, it is provided that the assembly device, in particular the contact-making device, comprises or has two contact elements, wherein the contact elements are designed to establish an electrical connection with the transport device, in particular the contact-receiving devices. In particular, the contact elements can be poled and / or polarized depending on the desired conveying direction. Optionally, when the voltage is applied, the positive and negative poles of the contact-making device, in particular of the contact elements, can be switched depending on the desired transport direction. In particular, it is provided that the transport device conveyor device, in particular the rollers of the roller conveyor, is or are moved in a first direction when the contact-making device is connected to the contact-receiving device and the contact-making device, in particular the contact elements, has or have a first polarity.Vanilla Automation Consulting GmbH In particular, it is provided that the transport device conveying device moves a workpiece in a first conveying direction when the contact-making device is connected to the contact-receiving device and the contact-making device, in particular the contact elements, has or have a first polarity. Optionally, it is provided that the transport device conveying device has a second conveying direction, in particular a conveying direction opposite to the first conveying direction, when the contact-making device is connected to the same contact-receiving device and the contact-making device has a second polarity, in particular opposite to the first polarity, so that, if necessary, a workpiece arranged on the conveying surface of the transport device can be moved in the second conveying direction.In particular, it is provided that the transport device conveyor, in particular the rollers of the roller conveyor, is or are moved in the second direction when the contact-making device, in particular the contact elements, has or have a second polarity. In particular, it is provided that the transport device conveyor moves a workpiece in the second conveying direction when the contact-making device is connected to the same contact-receiving device and the contact-making device, in particular the contact elements, has or have a second polarity. In particular, a workpiece can be moved with the transport device conveyor in the first conveying direction when the contact elements have a first polarity.In particular, a workpiece can be moved with the transport device in the second conveying direction, in particular opposite to the first, if the contact elements have a second polarity, in particular a polarity opposite to the first polarity. Vanilla Automation Consulting GmbH In the context of the present invention, polarity can be understood as the assignment and / or arrangement of the two poles, in particular the positive pole and the negative pole. In particular, in the first position and / or the first polarity, the positive pole can be assigned to the first contact element of the two contact elements and the negative pole can be assigned to the second contact element of the two contact elements. In particular, in the second position and / or the second polarity, the negative pole can be assigned to the first contact element of the two contact elements and the positive pole can be assigned to the second contact element of the two contact elements.Optionally, it is provided that the transport device conveyor comprises a conveying surface. Optionally, it is provided that a conveying surface is formed by the transport device conveyor. Optionally, it is provided that a conveying surface is formed by the assembly device conveyor. Optionally, it is provided that the transport device conveyor and / or the assembly device conveyor has or have a conveying surface. Optionally, it is provided that the transport device conveyor has, in particular, two limiting devices arranged parallel to one another.In particular, the conveying surface of the transport device, which preferably receives the workpiece, can be delimited by the delimiting devices on two, in particular parallel and / or opposite, sides of the conveying surface, wherein the sides are optionally parallel to the, in particular first and / or second, conveying direction. Optionally, it is provided that the transport device conveying device comprises, in particular, two stop devices arranged parallel to one another. Vanilla Automation Consulting GmbH In particular, the conveying surface of the transport device, which preferably receives the workpiece, can be delimited by the stop devices on two, in particular parallel and / or opposite, sides of the conveying surface, wherein the sides are in particular transverse and / or normal to the, in particular first and / or second, conveying direction. In particular, the conveying surface can have four sides.Two of the four sides can be delimited by the limiting devices and the other two sides can be delimited by the stopping devices. The limiting device and / or the stopping device can be designed such that they hold and / or secure a workpiece arranged on the conveying surface of the transport device. If appropriate, it is provided that the stopping device or the stopping devices can be moved from a securing position into a release position. In particular, it is provided that the stopping device is designed such that the stopping device can be moved or can be moved from a securing position into a release position. If appropriate, it is provided that the stopping device or the stopping devices can have two positions, in particular the securing position and the release position.Optionally, it is provided that the stop device, in the securing position, limits the conveying surface of the transport device, so that, if necessary, a workpiece arranged on the conveying surface of the transport device is held or secured. Optionally, it is provided that the stop device, in the release position, releases the conveying surface of the transport device on one side of the conveying surface, so that, if necessary, a workpiece arranged on the conveying surface can be conveyed by the transport device, in particular into an area outside the conveying surface of the transport device, by actuating the transport device conveying device.Vanilla Automation Consulting GmbH It can optionally be provided that the limiting devices and / or the stopping devices are designed in the securing position in such a way that a workpiece arranged on the conveying surface of the transport device remains within the conveying surface even when the transport device conveying device is actuated and cannot be conveyed into an area outside the conveying surface of the transport device. It can optionally be provided that the stopping device, in particular the one facing the assembly device, is in the release position when the transport device is electrically coupled to the assembly device. It can be provided that a securing device is or will be brought into the release position by the electrical connection of the transport device to the assembly device.In particular, it is provided that when the transport device is electrically connected to the assembly device, the securing device is or will be brought into the release position which is adjacent to and / or closer to the assembly device, in particular the transfer station of the assembly device. If appropriate, it is provided that the transport device comprises at least one sensor device. If appropriate, it is provided that the sensor device is designed to determine the position of the transport device, in particular the position of the transport device relative to the assembly device. If appropriate, it is provided that the transport device comprises an emergency stop device. Vanilla Automation Consulting GmbH If appropriate, it is provided that the emergency stop device is designed to interrupt the electrical connection and / or electrical coupling between the transport device and the assembly device.In particular, it can be provided that when the emergency stop device is actuated, an electrical connection and / or electrical coupling of the transport device to the assembly device is interrupted, whereby a movement of the transport device conveyor device, in particular of the rollers of the roller conveyor, can be stopped if necessary. If necessary, it is provided that the transport device comprises a lighting device, in particular an operating light, which lights up when there is an electrical connection and / or electrical coupling between the transport device and the assembly device. In particular, it can be provided that the lighting device lights up while the transport device is electrically connected to the assembly device. This makes it possible, if necessary, to inform an operator that the movement of the transport device is blocked by the braking device and, if necessary, the locking device.If appropriate, it can be provided that the transport device, the transport device conveyor device, the locking device, the stop device, the emergency stop device and / or the lighting device must be supplied with electrical energy in order to function and are therefore only functional if the transport device is electrically connected to the assembly device. If appropriate, it can be provided that the braking device, in particular the dead man's brake, can be actuated without current and in particular can be brought from the driving position to the braking position and from the braking position to the driving position without current. Vanilla Automation Consulting GmbH In particular, the invention relates to a transport device according to the invention. It can preferably be provided that the transport device comprises a transport device conveyor device, in particular a roller conveyor.Preferably, it can be provided that the transport device conveyor device is configured to transport at least one workpiece and / or at least one workpiece carrier. Preferably, it can be provided that the transport device is designed to be energy-source-free, power-source-free, and / or battery-free. In particular, the transport device, in particular the transport device conveyor device, can optionally be supplied with electrical energy only by an external electrical energy source, power source, and / or battery, in particular the electrical energy source of the assembly device according to the invention. Preferably, it can be provided that the transport device comprises two, in particular opposite, preferably two-pole, contact-receiving devices.It can preferably be provided that the contact-making devices are designed to establish an electrical connection and / or electrical coupling with, in particular the contact-making device, the assembly device according to the invention, in particular the arrangement according to the invention, whereby the transport device, in particular the transport device conveyor device, is and / or can be supplied with electrical energy, in particular current. In particular, an activation, in particular a movement, of the transport device conveyor device can thus only be possible if the transport device is electrically connected to the assembly device. Vanilla Automation Consulting GmbH In particular, the invention relates to an assembly device according to the invention. It can preferably be provided that the assembly device comprises an assembly device conveyor device, in particular a roller conveyor.Preferably, it can be provided that the assembly device conveyor is configured to convey at least one workpiece and / or at least one workpiece carrier. Preferably, it can be provided that the assembly device comprises a contact-making device, in particular a two-pole one. Preferably, it can be provided that the contact-making device is designed to establish an electrical connection and / or electrical coupling with, in particular the contact-receiving devices, of the transport device according to the invention of the arrangement according to the invention. Optionally, the invention can relate to a transport robot, wherein the transport robot is configured such that the transport robot can be reversibly and / or positively connected to the transport device according to the invention.It can preferably be provided that the transport robot comprises a lifting device for raising the transport device and / or a coupling device for connecting to the pulling device of the transport device for the reversible and / or positive connection. It can preferably be provided that the transport robot is designed to move the transport device. The assembly device according to the invention, the transport device according to the invention and / or the arrangement according to the invention and their features can be found in the description and / or the claims. The Vanilla Automation Consulting GmbH assembly device, the transport device and / or the transport robot can have the features individually or in combination. In particular, the invention relates to a method for loading and / or unloading a workpiece onto a transport device according to the invention or the arrangement according to the invention.Preferably, it can be provided that the method comprises the following steps: Moving the transport device according to the invention to an assembly device according to the invention of the arrangement according to the invention, in particular by means of a transport robot or by an operator, preferably by means of a hand pallet truck. If necessary, determining the position of the transport device, in particular the position of the transport device relative to the assembly device, using the sensor device. If necessary, checking whether the position of the transport device is in a predetermined transfer position range. Establishing the electrical connection and / or electrical coupling between the transport device and the assembly device when the transport device is in the predetermined transfer position range.Activation, in particular movement, of the transport device conveyor device of the transport device, so that if necessary a workpiece is conveyed from the transport device to the assembly device or if necessary a workpiece is conveyed from the assembly device to the transport device. If necessary, it is provided that the method steps of the method follow one another as described above. Vanilla Automation Consulting GmbH If necessary, it is provided that the method is automated, in particular controlled and / or regulated by a control device of the arrangement according to the invention. If necessary, it is provided that the transport device is repositioned if the position of the transport device is outside the previously defined transfer position range. The transfer position range can be an area which deviates by a maximum of 3 cm from a previously defined transfer position, in particular the position of the contact-making device.Optionally, it can be provided that in the method according to the invention the stop device of the transport device which is closer to the assembly device or borders on the assembly device is moved, in particular automatically, from the securing position to the release position when the transport device is electrically connected and / or electrically coupled to the assembly device. Optionally, it can be provided that in the method according to the invention the braking device is moved, in particular automatically, from the driving position to the braking position when the transport device is electrically connected and / or electrically coupled to the assembly device. Optionally, it can be provided that in the method according to the invention the locking device is moved, in particular automatically, from the release position to the locking position when the transport device is electrically coupled to the assembly device.Optionally, the invention can relate to an assembly arrangement, in particular an assembly line, which is constructed from a plurality of assembly devices, with mobile transport devices transporting workpiece carriers, wherein the mobile transport devices are equipped with an externally driven roller conveyor. Vanilla Automation Consulting GmbH Optionally, it can be provided that, in the assembly arrangement, the mobile transport devices with externally driven roller conveyors can be and / or are transported by a transport robot between the assembly devices of the assembly arrangement. Optionally, it can be provided that, in the assembly arrangement, the mobile transport devices with externally driven roller conveyors are not permanently connected, in particular detachably connected, to a transport robot, in particular to the transport robot that transports the transport device.If appropriate, it can be provided that in the assembly arrangement the mobile transport devices with externally driven roller conveyors can be and / or are manually transported by an operator between the assembly devices of the assembly line. If appropriate, it can be provided that in the assembly arrangement the mobile transport devices used for transferring the workpiece carriers do not dock mechanically, in particular exclusively electronically, to the transfer stations of the assembly device of the assembly arrangement. If appropriate, it can be provided that in the assembly arrangement the mobile transport devices are supplied with energy for loading and unloading the workpiece carriers externally via electrical contacting units, in particular the contact-receiving device and / or the contact-establishing device, in the transfer stations of the individual assembly devices.Further features of the invention will become apparent from the claims, the description of the embodiments and the figures. The invention will now be explained in more detail using exemplary, non-exclusive and / or non-limiting embodiments. Vanilla Automation Consulting GmbH It should be noted that in the different figures and / or embodiments, identical parts may be provided with identical reference symbols and / or identical component designations. The disclosures contained in the entire description can be applied analogously to identical parts with identical reference symbols and / or identical component designations. The positional information chosen in the description, such as top, bottom, from the right, from the left, side and the like, can also be related to the directly described and illustrated figure. Fig. 1 shows a schematic layout ora schematic floor plan of a first embodiment of an arrangement according to the invention, in particular of an assembly line according to the invention, Fig. 2 shows a schematic graphic representation of an end view of a first embodiment of a transport device according to the invention with rollers, Figs. 3a and 3b show a schematic graphic representation of the first embodiment of the transport device according to the invention with rollers in a side view and floor plan, Fig. 4 shows a schematic graphic representation of an end view of a second embodiment of the transport device according to the invention with feet, Figs. 5a and 5b show schematic graphic representations of the second embodiment of the transport device according to the invention with feet in a side view and floor plan, and Figs. 6a and 6b show schematic graphic representations of the second embodiment of the transport device according to the invention with feet in a side view and floor plan.Figure 1 shows a layout or floor plan of an arrangement 1 according to the invention, which is constructed from a plurality of assembly devices 2 and is connected by mobile transport devices 4 that transport workpieces 3, in particular workpiece carriers. According to the first embodiment, the arrangement 1 comprises mobile transport devices 4, assembly devices 2, and transport robots 5. Vanilla Automation Consulting GmbH The transport devices 4 are designed such that the transport device 4 can be connected to the transport robot 5 for movement of the transport device 4 by the transport robot 5. The transport device 4 comprises a transport device conveyor 13, in particular a roller conveyor. The assembly device 2 comprises an assembly device conveyor 24, in particular a roller conveyor.The transport device conveyor device 13 and the assembly device conveyor device 24 are configured to receive and / or transport a workpiece 3. The assembly device 2 comprises an electrical energy source, in particular a power source and / or a battery. The transport device 4 is designed without an energy source, in particular without a power source and / or without a battery. The transport device 4, in particular the transport device conveyor device 13, is and / or can be supplied with power exclusively from, in particular the electrical energy source, the assembly device 2.The inventor notes that the transport devices 4 according to this embodiment can be designed as transport carriages with travel devices 11 or as transport frames with feet 17 and can be transported from one assembly device 2 to the next assembly device 2 either by a transport robot 5, in particular an automatic one, or manually by an operator 6. Further features of the transport devices 4 and the assembly devices 2 can be seen, among others, in Figures 2, 3a, 3b, 4, 5a, 5b and / or 6. The transport devices 4 are not permanently connected to the transport robot 5. Integrated into the transport devices 4 are transport device conveyor devices 13, in particular externally driven roller conveyors, for receiving workpieces 3.The transport device conveyors 13 can be supplied with energy during loading and unloading exclusively by Vanilla Automation Consulting GmbH via an external power supply in the transfer station 7. The workpieces 3 can, among other things, be loaded into the transport device 4 in the transfer position 7 of an assembly device 2 and unloaded at the transfer position 7 of another assembly device 2. The inventor states that a major advantage of the arrangement 1 is that the transport robot 5 does not have to wait in the transfer position 7 during the loading and unloading process and can process other transport or conveying orders during this time, since the transport robot 5 is not permanently connected to the transport device 4. This results in considerable economic advantages when ramping up production of arrangements 1 according to the invention and in projects with low production quantities.A further advantage is that it is possible to continue and / or maintain production by means of operators in the event of a malfunction and / or failure of the transport robots. A further advantage of the arrangement 1 is that the independent automatic transport robots 5, which are not permanently connected to the transport devices 4, can be used for other projects and tasks. The arrangement 1 according to the figure can be used to carry out the method for loading and / or unloading a workpiece 3. The transport device 4 is moved to an assembly device 2, in particular by means of the transport robot 5 or by an operator 6, preferably by means of a hand pallet truck 8. The position of the transport device 4, in particular the position of the transport device 4 relative to the assembly device 2, is then determined using the sensor device.In a further step, it is checked whether the position of the transport device 4 is within a predetermined transfer position range. Subsequently, the electrical connection, in particular with the contact-making device 12 and the contact-receiving devices 14, between the transport device 4 and the assembly device 2 is established when the transport device 4 is within the predetermined transfer position range. This supplies the transport device conveyor 13 with electrical energy and can be activated, so that a workpiece 3 is conveyed from the transport device 4 to the assembly device 2 or from the assembly device 2 to the transport device 4. Figure 2 shows a schematic graphic representation of a front view of a first embodiment of a transport device 4 according to the invention with rollers and an assembly device 2.Figures 3a and 3b show a schematic graphic representation of the first embodiment of the transport device 4 according to the invention with rollers in a side view and a plan view. The features of the embodiment according to Figures 2, 3a or 3b can preferably correspond to the features of the embodiment according to Figure 1. According to this embodiment, the transport device 4 comprises driving devices 11, in particular wheels. Furthermore, the transport device 4 comprises a braking device 18, in particular a dead man's brake, wherein the braking device 18 is designed to block the driving devices 11, in particular the rotation of the wheels, so that the mobility of the transport device 4 is prevented. The braking device 18 can be brought from a driving position to a braking position by actuating an unlocking device 15 of the operating device 10 via a Bowden cable 9 of the transport device 4.In the travel position, the braking device 18 releases the travel device 11, in particular the rotation of the wheels, so that the transport device 4 is movable. Vanilla Automation Consulting GmbH In the braking position, the braking device 18 blocks the travel device 11, in particular the rotation of the rollers or wheels, so that the mobility of the transport device 4 is prevented. The transport device 4 comprises a locking device 19, which can be moved from a release position into a locking position. The locking device 19 is designed such that the braking device 18 is held and / or secured in the braking position, in particular the release of the dead man's brake by the unlocking device 15 is blocked when the locking device 19 is in the locking position. The locking device 19 is in the locking position when the transport device 4 is electrically connected to the assembly device 2.The transport device 4 comprises two, in particular two-pole, contact-receiving devices 14. The contact-receiving devices 14 are arranged opposite one another on the transport device 4. The assembly device 2, in particular a transfer station 7 of the assembly device 2, comprises a contact-making device 12, in particular a two-pole one. The contact-receiving devices 14 and the contact-making device 12 are designed to electrically connect the transport device 4 to the assembly device 2. The contact-making device comprises two contact elements, wherein the contact elements are configured to establish an electrical connection with the transport device. The contact elements can be polarized depending on the desired conveying direction.Vanilla Automation Consulting GmbH The transport device conveyor 13 has a first conveying direction when the contact-making device 12 is connected to the contact-receiving device 14 and has a first polarity, so that a workpiece 3 is moved in the first conveying direction. The transport device conveyor 13 has a second conveying direction, namely opposite to the first conveying direction, when the contact-making device 12 is connected to the same contact-receiving device 14 and has a second polarity, namely opposite to the first polarity, so that a workpiece 3 is moved in the second conveying direction. The transport device conveyor 13 comprises a conveying surface.The transport device conveyor device 13 has two limiting devices arranged parallel to one another, whereby the conveying surface of the transport device 4 is limited on two opposite sides, which are in particular parallel to the conveying direction. The transport device conveyor device 13 further comprises two stop devices 21 arranged parallel to one another, whereby the conveying surface of the transport device 4 is limited on two opposite sides, which are in particular transverse to the conveying direction. The transport device 4 comprises an emergency stop device 23, which is designed to interrupt the electrical connection between the transport device 4 and the assembly device 2. The transport device 4 further comprises a lighting device 22, in particular an operating light, which lights up when the transport device 4 is electrically connected to the assembly device 2.Vanilla Automation Consulting GmbH The schematically illustrated first embodiment of the transport device 4 according to the invention can transport a workpiece 3 between the individual assembly devices 2 of the arrangement 1 according to Figure 1. The illustrated transport device 4 is designed as a transport carriage with driving devices 11, which are designed as rollers. The transport device 4 can be moved by transport robots 5 or manually by an operator 6. The operator 6 uses the operating device 10, which is designed as a handle, to transport the transport carriage. On the base frame of the mobile transport device 4, on the left and right workpiece carrier transfer sides, there are the contact-receiving devices 14, which are contacted via the contact-making device 12 of the assembly device 2 in the transfer station 7 of the assembly device 2.For loading or unloading the workpiece 3, the transport device 4 is electrically contacted and connected in the transfer station 7 by a contact-making device 12. The inventor notes that a major advantage of this embodiment is that mechanical docking of the transport device 4 in the transfer station 7 is not necessary. The positional tolerances that occur during automatic or manual positioning of the transport device 4 can be compensated by the transport device conveyor device 13, in particular the externally driven roller conveyor, and the transfer station 7. The transport device 4 according to this embodiment has a braking device 18, which is released during manual conveying by actuating an unlocking device 15 on the operating device 10. The Vanilla Automation Consulting GmbH braking device 18 is designed as a dead man's brake according to this embodiment.When the transport device 4 is automatically transported by a transport robot 5 without a lifting unit, the braking device 18 is released by the coupling device 20 of the transport robot 5. When the transport device 4 is manually transported by an operator 6, the braking device 18 is unlocked according to this embodiment via a Bowden cable 9 or an unlocking device 15. To prevent the braking device 18 from being released by an operator 6 or a transport robot 5 during loading and unloading of the workpiece 3 in the transfer station 7, the locking device 19 of the transport device 4 is moved into the locked position during contact with the transport device 4. Figure 4 shows a schematic graphic representation of a front view of a second embodiment of a transport device 4 according to the invention with feet 17 and an assembly device 2.Figures 5a and 5b show a schematic graphic representation of the second embodiment of the transport device 4 according to the invention with feet 17 in a side view and a floor plan. The features of the embodiment according to Figures 4, 5a or 5b can preferably correspond to the features of the embodiments according to Figures 1, 2, 3a or 3b. The schematically illustrated second embodiment of the transport device 4 according to the invention can transport a workpiece 3 between the individual assembly devices 2 of the arrangement 1. Vanilla Automation Consulting GmbH The transport device 4 shown is designed as a transport frame with feet 17. The transport device 4 can be transported by transport robots 5 or manually by an operator 6 using a conventional hand pallet truck 8.For loading or unloading the workpiece 3, in particular the workpiece carrier, the transport device 4, in particular the contact-receiving devices 14 of the transport device 4, are electrically contacted in the transfer station 7 by a contact-making device 12. The inventor states that a major advantage of this embodiment is that mechanical docking of the transport device 4 in the transfer station 7 is not necessary. The positional tolerances that occur during the automatic or manual positioning of the transport device 4 can be compensated for by the transport device conveyor device 13, in particular the externally driven roller conveyor, and the transfer station 7. Figures 6a and 6b show schematic graphic representations of the second embodiment of the transport device 4 according to the invention with feet 17 and a hand pallet truck 8 in side and plan views.The features of the embodiment according to Figures 6a and 6b can preferably correspond to the features of the embodiments according to Figures 1, 2, 3a, 3b, 4, 5a or 5b. The schematically illustrated third embodiment of the transport device 4 according to the invention is designed as a transport frame with feet 17. In addition to the previous illustrations, Figure 6 shows an operator 6 who can transport the transport device 4 using a conventional hand pallet truck 8. The invention is not limited to the illustrated embodiments, but encompasses any arrangement 1, any transport device 4, any Vanilla Automation Consulting GmbH assembly device 2 and any method according to the following patent claims.
[0002] Vanilla Automation Consulting GmbH List of reference symbols: 1 Arrangement 2 Assembly device 3 Workpiece 4 Transport device 5 Transport robot 6 Operator 7 Transfer station 8 Hand pallet truck 9 Bowden cable 10 Operating device 11 Driving device 12 Contact-making device 13 Transport device conveyor device 14 Contact-receiving device 15 Unlocking device 16 Adapter device 17 Stand feet 18 Braking device 19 Locking device 20 Coupling device 21 Stop device 22 Lighting device 23 Emergency stop device 24 Assembly device conveyor device
Claims
Vanilla Automation Consulting GmbH Patent Claims 1. Arrangement (1), in particular an assembly line, comprising at least one mobile transport device (4) and at least one assembly device (2), - wherein the transport device (4) comprises a transport device conveyor device (13), in particular a roller conveyor, - wherein the assembly device (2) comprises an assembly device conveyor device (24), in particular a roller conveyor, - and wherein the transport device conveyor device (13) and the assembly device conveyor device (24) are designed to receive and / or convey a workpiece (3), characterized in that - the assembly device (2) comprises an electrical energy source, in particular a power source and / or a battery, - that the transport device (4) is designed to be energy-free, in particular power-free and / or battery-free,- that the transport device (4) and the assembly device (2) are configured for electrical connection to one another, - and that the transport device (4) is designed such that the transport device, in particular the transport device conveyor device (13), is and / or can be supplied with electrical energy, in particular electricity, preferably exclusively from the electrical energy source of the assembly device (2).
2. Arrangement (1) according to claim 1, characterized in that - that the transport device (4) comprises travel devices (11), in particular rollers or wheels, or feet (17), - and / or that the transport device (4) comprises a braking device (18), in particular a dead man's brake, wherein the braking device (18) is designed to block the travel devices (11), in particular the rotation of the rollers or wheels, so that the mobility of the transport device (4) is prevented. Vanilla Automation Consulting GmbH 3. Arrangement (1) according to claim 2, characterized in that - the braking device (18) can be brought from a driving position into a braking position, in particular by actuating an operating device (10), in particular an unlocking device (15) of the operating device (10), preferably by a Bowden cable (9), of the transport device (4), - the braking device (18) in the driving position releases the transport device (11), in particular the rotation of the rollers or wheels, so that the transport device (4) is movable, - and the braking device (18) in the braking position blocks the transport device (11), in particular the rotation of the rollers or wheels, so that the mobility of the transport device (4) is prevented. 4.Arrangement (1) according to one of the preceding claims, characterized in that - the transport device (4) comprises a locking device (19) which can be moved from a release position into a locking position, - the locking device (19) is designed such that the braking device (18) is held and / or secured in the braking position, in particular the release of the dead man's brake is blocked, when the locking device (19) is in the locking position, - and that, if appropriate, the locking device (19) is in the locking position when the transport device (4) is electrically connected to the assembly device (2).Arrangement (1) according to one of the preceding claims, characterized in that - the transport device (4), in particular on its underside, has an adapter device (16), - the adapter device (16) being designed such that the transport device (4) can be lifted by the transport robot (5) and / or a hand pallet truck (8), - and / or that the arrangement comprises at least one transport robot (5). Vanilla Automation Consulting GmbH - wherein the transport device (4) is designed for connection to the transport robot (5) such that the transport device (4) can be moved by the transport robot (5), - and / or that the transport device (4) comprises a pulling device, - wherein the pulling device is optionally designed such that the pulling device can be reversibly and / or positively connected to the transport robot (5), in particular to a coupling device (20) of the transport robot (5), - and wherein the pulling device is designed such that the locking device (19) can be or is brought from the locking position into its release position when the pulling device is actuated, in particular when the pulling device is connected to the transport robot (5), in particular to the coupling device (20) of the transport robot (5). 6.Arrangement (1) according to one of the preceding claims, characterized in that - the transport device (4) comprises two, in particular two-pole, contact-receiving devices (14), - the contact-receiving devices (14) are arranged opposite one another on the transport device (4), - the assembly device (2), in particular a transfer station (7) of the assembly device (2), comprises a, in particular two-pole, contact-making device (12), - and that the contact-receiving devices (14) and the contact-making device (12) are designed for the electrical connection of the transport device (4) to the assembly device (2).Arrangement (1) according to claim 6, characterized in that - the transport device conveyor device (13) has a first conveying direction when the contact-making device (12) is connected to the contact-receiving device (14) and has a first polarity, so that a workpiece (3) can be moved in the first conveying direction, if necessary. Vanilla Automation Consulting GmbH - and that the transport device conveyor device (13) has a second conveying direction, in particular one opposite to the first conveying direction, when the contact-making device (12) is connected to the same contact-receiving device (14) and has a second polarity, in particular opposite to the first polarity, so that, if necessary, a workpiece (3) can be moved in the second conveying direction. 8.Arrangement (1) according to one of the preceding claims, characterized in that - the transport device conveyor device (13) comprises a conveying surface, - the transport device conveyor device (13) has, in particular, two limiting devices arranged parallel to one another, whereby the conveying surface of the transport device (4) is limited on two opposite sides, which are in particular parallel to the conveying direction, - and that the transport device conveyor device (13) has, in particular, two stop devices (21) arranged parallel to one another, whereby the conveying surface of the transport device (4) is limited on two opposite sides, which are in particular transverse to the conveying direction. 9.Arrangement (1) according to claim 8, characterized in that - the stop device (21) can be brought from a securing position into a release position, - the stop device (21) in the securing position limits the conveying surface of the transport device (4) so that a workpiece (3) arranged on the conveying surface of the transport device (4) is held or secured, - the stop device (21) in the release position releases the conveying surface of the transport device (4) on one side of the conveying surface so that a workpiece (3) arranged on the conveying surface can be conveyed by the transport device (4) by actuating the transport device conveying device (13). Vanilla Automation Consulting GmbH - and that, if applicable, the stop device (21) facing the assembly device (2) is in the release position when the transport device (4) is electrically coupled to the assembly device (2).
10. Arrangement (1) according to one of the preceding claims, characterized in that - the transport device (4) comprises at least one sensor device, - and that the sensor device is designed to determine the position of the transport device (4), in particular the position of the transport device (4) relative to the assembly device (2). 11.Arrangement (1) according to one of the preceding claims, characterized in that - the transport device (4) comprises an emergency stop device (23), - and that the emergency stop device (23) is designed to interrupt the electrical connection between the transport device (4) and the assembly device (2), - and / or that the transport device (4) comprises a lighting device (22), in particular an operating light, which lights up when the transport device (4) is electrically connected to the assembly device (2). 12.Transport device (4), - wherein the transport device (4) comprises a transport device conveyor device (13), in particular a roller conveyor, - and wherein the transport device conveyor device (13) is designed to convey at least one workpiece (3), characterized in that - the transport device (4) is designed without an energy source, in particular without a power source and / or without a battery, - that the transport device (4) comprises two, in particular opposite, preferably two-pole, contact-receiving devices (14). Vanilla Automation Consulting GmbH - and that the contact-receiving devices (14) are designed to establish an electrical connection with, in particular, the contact-making device (12), the mounting device (2) of the arrangement (1) according to one of claims 1 to 11, whereby the transport device (4), in particular the transport device conveying device (13), is and / or can be supplied with electrical energy, in particular current.Assembly device (2), - wherein the assembly device (2) comprises an assembly device conveyor device (24), in particular a roller conveyor, - and wherein the assembly device conveyor device (24) is designed to convey at least one workpiece (3), characterized in that - the assembly device (2) comprises a, in particular two-pole, contact-making device (12), - and that the contact-making device (12) is designed to establish an electrical connection with, in particular the contact-receiving device (14), the transport device (4) of the arrangement (1) according to one of claims 1 to 11. 14.Method for loading and / or unloading a workpiece (3), comprising the following steps: - moving the transport device (4) according to claim 12 to an assembly device (2) according to claim 13, in particular by means of the transport robot (5) or by an operator (6), preferably by means of a hand pallet truck (8), - determining the position of the transport device (4), in particular the position of the transport device (4) to the assembly device (2), with the sensor device, - checking whether the position of the transport device (4) is in a previously defined transfer position range,. Vanilla Automation Consulting GmbH - Establishing the electrical connection between the transport device (4) and the assembly device (2) when the transport device (4) is in the specified transfer position area, - Activating the transport device conveyor device (13) of the transport device (4) so that a workpiece (3) is conveyed from the transport device (4) to the assembly device (2) or from the assembly device (2) to the transport device (4). 15.Method according to claim 14, characterized in that - the stop device (21) of the transport device (4) which is closer to the assembly device (2) is brought from the securing position into the release position when the transport device (4) is electrically connected to the assembly device (2), - and / or that the braking device (18) is brought from the driving position into the braking position when the transport device (4) is electrically connected to the assembly device (2), - and / or that the locking device (19) is brought from the release position into the locking position when the transport device (4) is electrically connected to the assembly device (2), - and / or that the lighting device (22) is illuminated when the transport device (4) is electrically connected to the assembly device (2).