KR20130122494A - Moving system for robot - Google Patents

Abstract

A robot moving system according to the present invention includes a mounting unit on which a robot manipulator is mounted; at least one metallic wheel moving the mounting unit; and a hollow rail which supports the wheel to be moved and enables cooling fluid to flow.

Description

Moving System for Robot

The present invention relates to a robot movement system.

Robots have expanded the work area in various ways on behalf of humans, and if they are largely divided, they can be divided into a robot manipulator that performs a specific task in a fixed place and a mobile robot that has mobility. Robot manipulators have been steadily improved in performance and reliability, enabling applications as industrial robots and forming a major foundation for factory automation. A mobile robot is a robot having a function of moving by a wheel or other driving device unlike a robot manipulator. Representative mobile robots used in industrial sites include autonomous vehicles and manipulators that load goods and move along a designated path.

At industrial sites, wastes are generated along with industrial activities. Such wastes are called industrial wastes. Industrial waste is harmful to the human body, so it is equipped with a robotic system for disposal. Currently, industrial waste disposal robots are operated by manipulators. In this method, since the robot joint is driven at a fixed position, the driving range becomes the working radius. Therefore, it is mainly operating wheel-type mobile robot that can move freely.

The robot manipulator method has a limited work performance due to the lack of space utilization, and it is not easy to input work force when the work environment is high temperature and exposed to chemicals. In addition, in the case of a wheel-type mobile robot, when a large load and torque are used due to the nature of the work, the stability is lower than that of the robot manipulator method having a fixed bottom portion. In addition, when the working environment is high temperature and exposed to chemicals, rubber wheels may be deformed or damaged by chemical reactions.

The present invention solves the problems of the prior art described above. That is, one of the objects of the present invention is to make the most of the predetermined space using a relatively simple control system based on the linear motion. In addition, one of the objects of the present invention is to provide a robot moving system having various advantages such as preventing deformation and damage to high temperature and chemical reaction by using a wheel and a rail processed with a corrosion-resistant metal material.

The robot moving system according to the present invention includes a mounting portion on which a robot manipulator is mounted, at least one metal wheel for moving the mounting portion, and a hollow shape capable of movably supporting the wheel and allowing a cooling fluid to flow therethrough. It includes a rail.

In one embodiment, the rail comprises a plurality of rails.

In one embodiment, the hollows of the plurality of rail ends are connected to each other so that the cooling fluid is circulated.

In one embodiment, the plurality of rail end portion further comprises a connection pipe for connecting the hollow to each other.

In one embodiment, the cooling fluid comprises at least one of cooling water, cooling oil, antifreeze and cooling gas.

In one embodiment, the rail has a shape of at least one of a circular, elliptical, H (H), eye (I), tee (T), irregularities and polygonal cross section.

In one embodiment, the rail is a metal material, the metal material comprises aluminum, and the rail surface is anticorrosion treated.

In one embodiment, further comprises a stopper coupled to the end of the rail.

In one embodiment, the stopper includes at least one of a bumper, a limit sensor, a pressure sensor, a reed sensor, an optical sensor, a proximity sensor, and an ultrasonic sensor.

In one embodiment, the wheel includes an inner ring and an outer ring formed stepped from the inner ring.

In one embodiment, the metal material comprises aluminum and the wheel surface is anticorrosion treated.

In one embodiment, the pump further comprises a pump for flowing the cooling fluid.

In one embodiment, a drive unit including a motor, an RFID tag (radio frequency identification tag) is stored in the predetermined identification information attached along the rail, the RFID reader (radio frequency identification) coupled to the mounting portion to recognize the identification information and a controller connected to the RFID reader by wire or wirelessly, calculating position information based on the recognized identification information and driving the driving unit.

In one embodiment, the position information calculated by the control unit further comprises a communication unit for communicating to the remote control unit using a wired or wireless communication.

In one embodiment, the remote control unit controls the drive unit using wired or wireless communication from the position information calculated by the control unit.

In one embodiment, the motor includes at least one of a direct current motor, an alternating current motor, a stepping motor, and an in-wheel motor.

According to one embodiment of the present invention, by using a wheel and a rail processed with a corrosion-resistant metal material, it is possible to prevent deformation and damage to high temperature and chemical action is provided. According to this, a relatively simple control system based on the linear motion is provided to secure a wide working radius, reduce the input rate of manpower and have an efficient work performance.

1 is a block diagram showing the configuration of a robot movement system.
2 is a perspective view of a wheel 200 in which the inner ring 210 and the outer ring 220 are stepped.
3 is a partial perspective view of a hollow 320 shaped rail 300.
4 is a partial block diagram of a robot movement system.
5 is a schematic diagram showing an outline of a robot movement system.

The description of the present invention is merely an example for structural or functional explanation, and the scope of the present invention should not be construed as being limited by the embodiments described in the text. That is, the embodiments are to be construed as being variously embodied and having various forms, so that the scope of the present invention should be understood to include equivalents capable of realizing technical ideas.

Meanwhile, the meaning of the terms described in the present application should be understood as follows.

The terms "first "," second ", and the like are used to distinguish one element from another and should not be limited by these terms. For example, the first component may be referred to as a second component, and similarly, the second component may also be referred to as a first component.

It is to be understood that when an element is referred to as being "on" or "on" another element, it may be directly on top of the other element, but other elements may be present in between. On the other hand, when an element is referred to as being "in contact" with another element, it should be understood that there are no other elements in between. On the other hand, other expressions that describe the relationship between components, such as "intervening" and "intervening", between "between" and "immediately" or "neighboring" Direct neighbors "should be interpreted similarly.

Singular expressions should be understood to include plural expressions unless the context clearly indicates otherwise, and terms such as "include" or "have" refer to features, numbers, steps, operations, components, parts, or parts thereof described. It is to be understood that the combination is intended to be present, but not to exclude in advance the possibility of the presence or addition of one or more other features or numbers, steps, operations, components, parts or combinations thereof.

Each step may occur differently from the stated order unless the context clearly dictates the specific order. That is, each step may occur in the same order as described, may be performed substantially concurrently, or may be performed in reverse order.

The drawings referred to for explaining embodiments of the present disclosure are exaggerated in size, height, thickness, and the like intentionally for convenience of explanation and understanding, and are not enlarged or reduced in proportion. In addition, any of the components shown in the drawings may be intentionally reduced, and other components may be intentionally enlarged.

All terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, unless otherwise defined. Terms such as those defined in the commonly used dictionaries should be construed to be consistent with the meanings in the context of the related art and should not be construed as having ideal or overly formal meanings unless expressly defined in this application. .

Hereinafter, with reference to the accompanying drawings will be described a robot movement system according to an embodiment of the present invention. 1 to 5 are diagrams for explaining a robot moving system according to an embodiment of the present invention. 1 is a block diagram showing a configuration for a robot movement system according to an embodiment of the present invention, Figure 2 is a perspective view of the wheel 200, the inner ring 210 and outer ring 220 stepped, Figure 3 is a hollow ( 320 is a partial perspective view of a shape rail 300. 1, 2 and 3, the robot moving system according to an embodiment of the present invention includes a mounting portion 100, the wheel 200, the rail 300.

The mounting unit 100 is mounted with a robot manipulator (not shown). In one embodiment, the robot manipulator may be mounted on the mounting portion 100. A robot manipulator is a machine that has a function similar to a human arm, that is, to move a work object and is a basic concept common to various robots. The general structure of a robot manipulator consists of a grasping device for performing a task and a moving device for moving to a location in the workspace. In particular, the complete mechanism consists of a hand that directly interacts with a work object and an arm for precisely moving the hand within the work space. A hand is a device that attaches to the tip of an arm and acts directly on an object, also called an end effector. These end effectors can be attached and detached according to the type of work in the industrial field. In another embodiment, the robot manipulator may be mounted below the mounting part 100.

Wheel 200 is made of a metal material, made of at least one wheel 200 to move the mounting portion (100). In one embodiment, in general, the wheel 200 may be arranged in the lower portion of the mounting portion 100 may be made of four so that the mounting portion 100 is movably supported. However, if necessary, the wheel 200 may be modified in two, three or more. In another embodiment, the metal material of the wheel 200 may comprise aluminum, and the wheel surface 230 may be corrosion treated. In general, aluminum is used to facilitate heat transfer, but metals having good thermal conductivity such as platinum and copper may be selectively used. And to prevent corrosion of the wheel 200 may be subjected to anti-corrosive treatment on the wheel surface (230). In general, anodizing, which is commonly used as an anticorrosive treatment of an aluminum surface, causes aluminum to be oxidized by oxygen generated in the anode when aluminum is used as an anode in an electrolytic solution. This film is hard, highly corrosion resistant and extremely small porosity and can be dyed in various colors. The most representative metal of such anodizing is aluminum, but other metals can be anodized, and in recent years, anodizing of magnesium and titanium has also been increasingly used. In another embodiment, referring to FIG. 3, the wheel 200 is disposed on the upper surface of the rail 300 and rotates in contact with the ground and the inner ring 210 disposed below the mounting unit 100, and the inner ring 210 is rotated. It may have a shape of the outer ring 220 is formed stepped. However, if necessary, the wheel 200 has various rails such as a circular rail, an elliptical rail, an H-type rail, an eye-type rail, a tee-type rail, an uneven rail, or a polygonal rail. Can be modified in response to In another embodiment, the wheels 200 may travel on plain plain.

The rail 300 is made of metal, and has a hollow 320-shaped cross section capable of movably supporting the wheel 200 and flowing a cooling fluid. In one embodiment, the rail 300 is metallic, the metallic material comprises aluminum and the rail surface 310 is anticorrosion. However, the wheel 200 described above is made of a metal material, and the metal material includes aluminum and the wheel surface 230 is overlapped with the description that the anticorrosion treatment is omitted for simplicity. In another embodiment, the rail 300 generally supports the wheel 200 movably and provides a path of movement to the mounting portion 100. It is preferable to install a plurality of rails 300, but if necessary, the rails 300 may be deformed into one. In addition, the two rails 300 may be spaced apart from each other for a linear movement of the wheel 200. The rail 300 may have at least one shape such as a circular rail, an elliptical rail, an H rail, an I rail, a tee rail, an uneven rail or a polygon rail. Can be. In another embodiment, the rail 300 includes a hollow 320 shaped rail 300 capable of flowing a cooling fluid. The cooling fluid may be a liquid such as cooling water, cooling oil or an antifreeze, or may be a gaseous cooling gas. However, the cooling fluid may be a fluid having a good heat transfer rate. When the heat generated in the workplace is transferred to the rail 300, the heat is circulated by the cooling fluid flowing in the hollow 320, and the heat conduction out of the rail 300 by the rail 300 made of a material having a high heat transfer rate. In addition, the pump 600 may be further included at the end portion of the rail 300 so that the cooling fluid may be continuously circulated therein. The pump 600 is a machine that receives mechanical energy from a motor such as an electric motor or an internal combustion engine, and applies pressure energy to a liquid or gas to suck up or move the liquid or gas. The type, position, or number of pumps 600 may be modified as necessary. In another embodiment, one rail 300 may be used to flow the cooling fluid, but a plurality of rails 320 at the ends of the plurality of rails 300 may be connected to each other. In addition, the connection pipe 400 may be further included to connect the hollows 320 to each other at the ends of the plurality of rails 300. The connection pipe 400 circulates the cooling fluid in one direction. Connector 400 is fixed to the plurality of rails 300 so that the wheel 200 can be stably moved without shaking the rails (300).

4 is a partial block diagram of a robot moving system according to an embodiment of the present invention, Figure 5 is a schematic diagram showing an overview of the robot moving system. 4 and 5, a robot moving system according to an exemplary embodiment of the present invention includes a driver 700, an RFID tag 800, an RFID reader 900, and a controller 1000. However, overlapping parts in FIGS. 1 to 3 will be omitted for simplicity of explanation.

The driver 700 includes a motor 710. In one embodiment, the driving unit 700 is coupled to one side of the mounting portion 100 serves to move the mounting portion 100 in the rail (300). The driving unit 700 may generally include a motor 710 for rotating the wheel 200 and a battery for applying power. In another embodiment, the motor 710 includes at least one of a direct current motor, an alternating current motor, a stepping motor, or an in-wheel motor. And the battery can be modified to an external power supply for supplying power.

The RFID tag 800 in which the identification information is stored in the embedded semiconductor chip is attached along the rail 300, and the RFID reader 900 is coupled to the mounting unit 100 to recognize the identification information. The controller 1000 is connected to the RFID reader 900 by wire or wirelessly, calculates location information based on the identification information recognized by the RFID reader 900, and drives the driving unit 700. In an embodiment, the controller 1000 drives the driving unit 700 to move the mounting unit 100. When the mounting unit 100 passes through the RFID tag 800, the RFID reader 900 recognizes identification information of the RFID tag 800. The controller 1000, which is connected to the RFID reader 900 by wire or wirelessly, determines the separation distance between the reference point of the rail 300 and the RFID tag 800 based on the identification information and controls the position of the driving unit 700. In another embodiment, the controller 1000 further includes a communication unit 1100 for communicating the position information calculated by the control unit 1000 to the remote control unit 1200 using wired communication or wireless communication, and the remote control unit 1200 includes the control unit 1000. The driver 700 is controlled from the calculated position information by using wired communication or wireless communication. The remote control unit 1200 receives location information from the user and transmits the location information to the communication unit 1100 by wire or wireless communication. Subsequently, the control unit 1000 receives the position information received from the communication unit 1100 and controls the position of the driving unit 700.

4 and 5, the stopper 500 is coupled to the end of the rail 300. In one embodiment, the stopper 500 is coupled for accurate stop and cushioning of the mounting portion 100 at the end of the rail 300. The stopper 500 includes at least one of a bumper, a limit sensor, a pressure sensor, a reed sensor, an optical sensor, a proximity sensor, or an ultrasonic sensor. In another embodiment, the sensor is coupled to the end of the rail 300 and detects the mounting unit 100 and transmits the detected signal to the control unit 1000 using wired or wireless communication. The control unit 1000 receives the signal transmitted from the sensor and controls the driving unit 700. In other embodiments, the sensor may be attached to the mounting portion 100. In another embodiment, the stopper 500 may be modified by coupling to the connection pipe 400.

100: mounting portion 200: wheels
210: inner ring 220: outer ring
230: wheel surface 300: rail
310: rail surface 320: hollow
400: connector 500: stopper
600: pump 700: drive unit
710: motor 800: RFID tag
900: RFID reader 1000: control unit
1100: communication unit 1200: remote control unit

Claims (16)

A mounting portion on which a robot manipulator is mounted;
At least one metal wheel for moving the mounting portion; And
And a hollow rail movably supporting the wheel and capable of flowing a cooling fluid. The method according to claim 1,
The rail is a robot movement system comprising a plurality of rails. The method of claim 2,
And the hollows of the plurality of rail ends are connected to each other so that the cooling fluid is circulated. The method of claim 2,
The robot movement system further comprises a connector for connecting the hollow to each other at the plurality of rail ends. The method according to claim 1,
The cooling fluid is a robot moving system including at least one of the cooling water, cooling oil, antifreeze and cooling gas. The method according to claim 1,
The rail is a robot moving system having a shape of at least one of circular, elliptical, H (H), eye (I), tee (T), irregularities and polygonal cross section. The method according to claim 1,
The rail is a metal material, the metal material includes aluminum, and the rail surface is anti-corrosion treatment robot. The method according to claim 1,
The robot movement system further comprises a stopper coupled to the end of the rail. The method of claim 8,
The stopper includes at least one of a bumper, a limit sensor, a pressure sensor, a reed sensor, an optical sensor, a proximity sensor, and an ultrasonic sensor. The method according to claim 1,
The wheel is a robot movement system including an inner ring and an outer ring formed stepped from the inner ring. The method according to claim 1,
The metal material includes aluminum, and the wheel surface is anticorrosion treatment robot movement system. The method according to claim 1,
And a pump for flowing said cooling fluid. The method according to claim 1,
A drive unit including a motor;
An RFID tag storing radio frequency identification tags attached along the rails;
An RFID reader coupled to the mounting unit to recognize the identification information; And
And a controller connected to the RFID reader by wire or wirelessly, calculating position information based on the recognized identification information, and driving the driving unit. The method of claim 13,
And a communication unit for communicating the position information calculated by the control unit to the remote control unit using wired communication or wireless communication. 15. The method of claim 14,
And the remote control unit controls the driving unit by using wired or wireless communication from the position information calculated by the control unit. The method of claim 13,
The motor includes at least one of a direct current motor, an alternating current motor, a stepping motor, and an in-wheel motor.

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