CN103707288A - Multi-degree-of-freedom palletizing robot - Google Patents

Multi-degree-of-freedom palletizing robot Download PDF

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Publication number
CN103707288A
CN103707288A CN201310692170.6A CN201310692170A CN103707288A CN 103707288 A CN103707288 A CN 103707288A CN 201310692170 A CN201310692170 A CN 201310692170A CN 103707288 A CN103707288 A CN 103707288A
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China
Prior art keywords
connecting rod
revolute pair
link
drives
closed
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Pending
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CN201310692170.6A
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Chinese (zh)
Inventor
蔡敢为
胥刚
张�林
高德中
于腾
丁侃
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Guangxi University
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Guangxi University
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Priority to CN201310692170.6A priority Critical patent/CN103707288A/en
Publication of CN103707288A publication Critical patent/CN103707288A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a multi-degree-of-freedom palletizing robot. The palletizing robot comprises a plurality of parallel mechanism closed-loop executing mechanism branch chains and a serial executing mechanism main chain. The mechanism closed-loop branch chains can be used for controlling a main chain connecting rod to move in a plane where a four-rod mechanism closed-loop branch chain is positioned, and spatial movement of a movable platform can be realized via movement of a plurality of parallel connecting rod branch chains and a machine body. Control is realized via composite motion of four closed-loop branch chains and the machine body, and a plurality of connecting rods are connected with the machine body, thereby realizing spatial movement of a tail end executer, small motion inertia of the tail end executer, high dynamics performance and high reliability. The mechanism has the advantages of compact structure and easiness in controlling. Rod pieces can be designed as light rods, the working space of the mechanism is large, and the gravity center of the mechanism is moved backward, thereby keeping the mechanism in a balanced state, and allowing the palletizing robot to be applied to more occasions.

Description

A kind of multiple degrees of freedom robot palletizer
Technical field
The present invention relates to robot field, particularly a kind of multiple degrees of freedom robot palletizer.
Background technology
Traditional serial machine people has the advantages such as simple in structure, cost is low, working space is large, and serial machine people rigidity is low comparatively speaking, can not be applied at a high speed the occasion of large carrying; Parallel robot and traditional serial machine people compare, have without accumulated error, precision compared with high, compact conformation, the feature such as bearing capacity is large, rigidity is high and end effector inertia is little, drive unit can be placed on fixed platform or approach the position of fixed platform, motion parts is lightweight like this, speed is high, and dynamic response is good; But the distinct disadvantage of the parallel robot little and complex structure that is working space.In engineering, the existing manipulator with local closed chain does not solve the problem that industrial robot exists as MOTOMAN-K10, and the general parallel institution of the Performance Ratio of the parallel robot of the closed loop subchain that contains symmetrical mechanism formula is more superior, have that working space is large, rigidity is high, bearing capacity is strong, inertia is little and end effector precision advantages of higher, can be applied in the complex jobs such as welding, spraying, carrying, handling, assembling, piling, effective raises labour efficiency, and aspect product quality and stability, is improving a lot.Adopt the manipulator of circular cylindrical coordinate type and joint coordinates type effectively and efficiently to tail house, to control, and this mechanism structure good rigidity, machine driving precision are high, working space is large, machine driving loss is little, without accumulated error, can export larger power, have and have good control function.This robot containing parallel closed loop subchain adopts indirect type of drive, can also effectively reduce the needed moment of driving joint.
Summary of the invention
The object of the present invention is to provide a kind of multiple degrees of freedom robot palletizer, solve traditional serial machine people large about required moment, the low and little shortcoming of working space of rigidity.
The present invention achieves the above object by the following technical programs: a kind of multiple degrees of freedom robot palletizer, and its structure and connected mode are:
Described executing agency chain is by fuselage 2, first connecting rod 3, second connecting rod 5, third connecting rod 24, the 4th connecting rod 20, the 5th connecting rod 22, the 6th connecting rod 39, seven-link assembly 38, the 8th connecting rod 18, the 9th connecting rod 11, the tenth connecting rod 16, the 11 connecting rod 13, the 12 connecting rod 14, the 13 connecting rod 25, the 14 connecting rod 26, the 15 connecting rod 28, end effector and frame are formed by connecting, fuselage 2 first links 31 are connected in frame 1 by the first revolute pair 31, fuselage 2 drives by the first revolute pair 31, the first revolute pair 31 drives by motor, 2 second links 32 of fuselage are connected with first connecting rod 3 one end by the second revolute pair 32, first connecting rod 3 drives by the second revolute pair 32, first connecting rod 3 other ends are connected with second connecting rod 5 first links 4 by the 3rd revolute pair 4, 5 second links 6 of second connecting rod are connected with third connecting rod 24 one end by the 4th revolute pair 6, third connecting rod 24 other ends are connected with the 4th connecting rod 20 first links 23 by the 5th revolute pair 23, the 4th 20 second, connecting rod link 33 is connected with the 5th connecting rod 22 first links 33 by the 6th revolute pair 33, the 4th the 3rd, connecting rod 20 link 19 is connected by the 3rd link 19 of the 7th revolute pair 19 and the 8th connecting rod 18, the 8th 18 second, connecting rod link 8 is connected by the 3rd link 8 of the 8th revolute pair 8 and fuselage 2, the 8th connecting rod 18 first links 9 are connected by the 3rd link 9 of the 9th revolute pair 9 and second connecting rod 5, the 8th the 4th, connecting rod 18 link 34 is connected with the 9th connecting rod 11 first links 34 by the tenth revolute pair 34, the 9th 11 second, connecting rod link 10 is connected with the 6th connecting rod 39 one end by the 11 revolute pair 10, the 6th connecting rod 39 other ends are connected by 22 second links of the 12 revolute pair 7 and the 5th connecting rod, the 9th the 3rd, connecting rod 11 link 12 is connected with seven-link assembly 38 one end by the 13 revolute pair 12, seven-link assembly 38 other ends are connected by the 3rd link 21 of the 14 revolute pair 21 and the 5th connecting rod 22, the 9th 11 second, connecting rod link 10 is connected with the 11 connecting rod 13 one end by the 11 revolute pair 10, the 11 connecting rod 13 other ends are connected by 16 second links 15 of the 15 revolute pair 15 and the tenth connecting rod, the 9th the 3rd, connecting rod 11 link 12 is connected with the 12 connecting rod 14 one end by the 13 revolute pair 12, the 12 connecting rod 14 other ends are connected by the 3rd link 17 of the 16 revolute pair 17 and the tenth connecting rod 16, the tenth connecting rod 16 first links are connected by the 5th link of the 17 revolute pair and the 8th connecting rod, the tenth the 4th, connecting rod 16 link 36 is connected with the 13 connecting rod 25 one end by being rigidly connected, the 13 connecting rod 25 other ends are connected with the 14 connecting rod 26 one end by the 18 revolute pair 37, the 14 connecting rod 26 rotates 37 secondary drivings by the 18, the 18 revolute pair 37 drives by motor, the 14 connecting rod 26 other ends are connected with the 15 connecting rod 28 one end by the 19 revolute pair 27, the 14 connecting rod 26 drives by the 19 revolute pair 27, the 19 revolute pair 27 drives by motor, the 15 connecting rod 28 other ends are connected with end effector 30 by the 20 revolute pair 29, end effector 30 drives by the 20 revolute pair 29, the 20 revolute pair 29 drives by motor,
Described the first revolute pair is perpendicular to frame, and the second revolute pair, the 3rd revolute pair, the 4th revolute pair, the 5th revolute pair, the 6th revolute pair, the 7th revolute pair, the 8th revolute pair, the 9th revolute pair, the tenth revolute pair, the 11 revolute pair, the 12 revolute pair, the 13 revolute pair, the 14 revolute pair, the 15 revolute pair, the 16 revolute pair and the 17 revolute pair rotation are parallel to each other.
Outstanding advantages of the present invention is:
1, by two parallel closed loop subchains, improved the rigidity of robot mechanism, and the design of closed loop subchain mechanism type improves the working space of robot greatly, can avoid the dead-centre position of mechanism, the sphere of action of micromatic setting Neng Shi robot is larger, and Neng Shi mechanism better keeps balance;
2, the industrial robot that is mounted in each joint with traditional motor is compared, the motor of the robot that mechanism connects by two parallel closed loop subchains is mounted on four-bar mechanism joint, by the kinematic pair on four-bar mechanism, drive closed loop chain movement, thereby indirectly drive tail end connecting rod, make mobility and the activity space of end effector larger, can reduce active moment;
3, compare with robot mechanism of the same type, under equal-wattage, work is more;
4, motor be arranged on the 5th connecting rod after, reduced the center of gravity of whole mechanism, and can installation power larger motor is in mechanism, and end effector can be adapted in the complex jobs such as welding, spraying, carrying, handling, assembling, piling;
5, robot mechanism endways actuator by mechanism type, controlled, can make precision higher;
6, mechanism type mechanism is connected with end effector with a with gemel connecting rod between carrying out with end, make actuator flexibility ratio higher, working space is larger than robot in the past, and with gemel connecting rod is made lighter bar, can make whole mechanism power performance better and be easy to control, can make end effector among a small circle, rotate 360 degree round angles, make mechanism can be applicable to more occasions;
7, in two parallel closed loop subchains, rod member is made lighter bar, and mechanism kinematic inertia is little, and dynamic performance is good;
8, the micromatic setting in mechanism is compared with traditional manipulator with local closed chain, and center of gravity concentrates on micromatic setting, and balance of mechanism is good, can make robot mechanism bear larger force and moment;
9, six-freedom degree makes mechanism can be applied to more occasions;
Accompanying drawing explanation
Fig. 1 is the first structural representation of a kind of multiple degrees of freedom robot palletizer of the present invention.
Fig. 2 is the airframe structure schematic diagram of a kind of multiple degrees of freedom robot palletizer of the present invention.
Fig. 3 is the second connecting rod schematic diagram of a kind of multiple degrees of freedom robot palletizer of the present invention.
Fig. 4 is the 8th connecting rod schematic diagram of a kind of multiple degrees of freedom robot palletizer of the present invention.
Fig. 5 is the 5th connecting rod schematic diagram of a kind of multiple degrees of freedom robot palletizer of the present invention.
Fig. 6 is the 9th connecting rod schematic diagram of a kind of multiple degrees of freedom robot palletizer of the present invention.
Fig. 7 is the tenth connecting rod schematic diagram of a kind of multiple degrees of freedom robot palletizer of the present invention.
Fig. 8 is the 14 connecting rod schematic diagram of a kind of multiple degrees of freedom robot palletizer of the present invention.
Fig. 9 is the 15 connecting rod schematic diagram of a kind of multiple degrees of freedom robot palletizer of the present invention.
Figure 10 is that the mechanism of a kind of multiple degrees of freedom robot palletizer of the present invention connects intention.
Figure 11 is the work schematic diagram of a kind of multiple degrees of freedom robot palletizer of the present invention.
The specific embodiment
Below in conjunction with drawings and Examples, technical scheme of the present invention is described further.
Contrast Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5 and Fig. 6, a kind of multiple degrees of freedom robot palletizer, its structure and connected mode are:
Described executing agency chain is by fuselage 2, first connecting rod 3, second connecting rod 5, third connecting rod 24, the 4th connecting rod 20, the 5th connecting rod 22, the 6th connecting rod 39, seven-link assembly 38, the 8th connecting rod 18, the 9th connecting rod 11, the tenth connecting rod 16, the 11 connecting rod 13, the 12 connecting rod 14, the 13 connecting rod 25, the 14 connecting rod 26, the 15 connecting rod 28, end effector and frame are formed by connecting, fuselage 2 first links 31 are connected in frame 1 by the first revolute pair 31, fuselage 2 drives by the first revolute pair 31, the first revolute pair 31 drives by motor, 2 second links 32 of fuselage are connected with first connecting rod 3 one end by the second revolute pair 32, first connecting rod 3 drives by the second revolute pair 32, first connecting rod 3 other ends are connected with second connecting rod 5 first links 4 by the 3rd revolute pair 4, 5 second links 6 of second connecting rod are connected with third connecting rod 24 one end by the 4th revolute pair 6, third connecting rod 24 other ends are connected with the 4th connecting rod 20 first links 23 by the 5th revolute pair 23, the 4th 20 second, connecting rod link 33 is connected with the 5th connecting rod 22 first links 33 by the 6th revolute pair 33, the 4th the 3rd, connecting rod 20 link 19 is connected by the 3rd link 19 of the 7th revolute pair 19 and the 8th connecting rod 18, the 8th 18 second, connecting rod link 8 is connected by the 3rd link 8 of the 8th revolute pair 8 and fuselage 2, the 8th connecting rod 18 first links 9 are connected by the 3rd link 9 of the 9th revolute pair 9 and second connecting rod 5, the 8th the 4th, connecting rod 18 link 34 is connected with the 9th connecting rod 11 first links 34 by the tenth revolute pair 34, the 9th 11 second, connecting rod link 10 is connected with the 6th connecting rod 39 one end by the 11 revolute pair 10, the 6th connecting rod 39 other ends are connected by 22 second links of the 12 revolute pair 7 and the 5th connecting rod, the 9th the 3rd, connecting rod 11 link 12 is connected with seven-link assembly 38 one end by the 13 revolute pair 12, seven-link assembly 38 other ends are connected by the 3rd link 21 of the 14 revolute pair 21 and the 5th connecting rod 22, the 9th 11 second, connecting rod link 10 is connected with the 11 connecting rod 13 one end by the 11 revolute pair 10, the 11 connecting rod 13 other ends are connected by 16 second links 15 of the 15 revolute pair 15 and the tenth connecting rod, the 9th the 3rd, connecting rod 11 link 12 is connected with the 12 connecting rod 14 one end by the 13 revolute pair 12, the 12 connecting rod 14 other ends are connected by the 3rd link 17 of the 16 revolute pair 17 and the tenth connecting rod 16, the tenth connecting rod 16 first links are connected by the 5th link of the 17 revolute pair and the 8th connecting rod, the tenth the 4th, connecting rod 16 link 36 is connected with the 13 connecting rod 25 one end by being rigidly connected, the 13 connecting rod 25 other ends are connected with the 14 connecting rod 26 one end by the 18 revolute pair 37, the 14 connecting rod 26 rotates 37 secondary drivings by the 18, the 18 revolute pair 37 drives by motor, the 14 connecting rod 26 other ends are connected with the 15 connecting rod 28 one end by the 19 revolute pair 27, the 14 connecting rod 26 drives by the 19 revolute pair 27, the 19 revolute pair 27 drives by motor, the 15 connecting rod 28 other ends are connected with end effector 30 by the 20 revolute pair 29, end effector 30 drives by the 20 revolute pair 29, the 20 revolute pair 29 drives by motor,
Described the first revolute pair is perpendicular to frame, and the second revolute pair, the 3rd revolute pair, the 4th revolute pair, the 5th revolute pair, the 6th revolute pair, the 7th revolute pair, the 8th revolute pair, the 9th revolute pair, the tenth revolute pair, the 11 revolute pair, the 12 revolute pair, the 13 revolute pair, the 14 revolute pair, the 15 revolute pair, the 16 revolute pair and the 17 revolute pair rotation are parallel to each other.
Contrast Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6 and Fig. 7, fuselage and first connecting rod motion planar can realize the spatial movement of end effector.

Claims (1)

1. a multiple degrees of freedom robot palletizer, its structure and connected mode are:
Described executing agency chain is by fuselage, first connecting rod, second connecting rod, third connecting rod, the 4th connecting rod, the 5th connecting rod, the 6th connecting rod, seven-link assembly, the 8th connecting rod, the 9th connecting rod, the tenth connecting rod, the 11 connecting rod, the 12 connecting rod, the 13 connecting rod, the 14 connecting rod, the 15 connecting rod, end effector and frame are formed by connecting, first link of fuselage is connected in frame by the first revolute pair, fuselage drives by the first revolute pair, the first revolute pair drives by motor, second link of fuselage is connected with first connecting rod one end by the second revolute pair, first connecting rod drives by the second revolute pair, the first connecting rod other end is connected by the 3rd first link of revolute pair and second connecting rod, second link of second connecting rod is connected with third connecting rod one end by the 4th revolute pair, the third connecting rod other end is connected with the 4th first link of connecting rod by the 5th revolute pair, the 4th second, connecting rod link is connected with the 5th first link of connecting rod by the 6th revolute pair, the 4th the 3rd, connecting rod link is connected by the 3rd link of the 7th revolute pair and the 8th connecting rod, the 8th second, connecting rod link is connected by the 3rd link of the 8th revolute pair and fuselage, the 8th first link of connecting rod is connected by the 3rd link of the 9th revolute pair and second connecting rod, the 8th the 4th, connecting rod link is connected with the 9th first link of connecting rod by the tenth revolute pair, the 9th second, connecting rod link is connected with the 6th connecting rod one end by the 11 revolute pair, the 6th connecting rod other end is connected by second link of the 12 revolute pair and the 5th connecting rod, the 9th the 3rd, connecting rod link is connected with the 6th connecting rod one end by the 13 revolute pair, the seven-link assembly other end is connected by the 3rd link of the 14 revolute pair and the 5th connecting rod, the 9th second, connecting rod link is connected with the 11 connecting rod one end by the 11 revolute pair, the 11 connecting rod other end is connected by second link of the 14 revolute pair and the tenth connecting rod, the 9th the 3rd, connecting rod link is connected with the 12 connecting rod one end by the 15 revolute pair, the 12 connecting rod other end is connected by the 3rd link of the 16 revolute pair and the tenth connecting rod, the tenth first link of connecting rod is connected by the 5th link of the 17 revolute pair and the 8th connecting rod, the tenth the 4th, connecting rod link is connected with the 13 connecting rod one end by being rigidly connected, the 13 connecting rod other end is connected with the 14 connecting rod one end by the 18 revolute pair, the 14 connecting rod drives by the 18 revolute pair, the 18 revolute pair drives by motor, the 14 connecting rod other end is connected with the 15 connecting rod one end by the 19 revolute pair, the 14 connecting rod drives by the 19 revolute pair, the 19 revolute pair drives by motor, the 15 connecting rod other end is connected with end effector by the 20 revolute pair, end effector drives by the 20 revolute pair, the 20 revolute pair drives by motor,
Described the first revolute pair is perpendicular to frame, and the second revolute pair, the 3rd revolute pair, the 4th revolute pair, the 5th revolute pair, the 6th revolute pair, the 7th revolute pair, the 8th revolute pair, the 9th revolute pair, the tenth revolute pair, the 11 revolute pair, the 12 revolute pair, the 13 revolute pair, the 14 revolute pair, the 15 revolute pair, the 16 revolute pair and the 17 revolute pair rotation are parallel to each other.
CN201310692170.6A 2013-12-17 2013-12-17 Multi-degree-of-freedom palletizing robot Pending CN103707288A (en)

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104476539A (en) * 2014-12-18 2015-04-01 广西大学 Controllable mechanism type wheeled movable palletizing robot
CN104476051A (en) * 2014-12-12 2015-04-01 广西大学 Space-controllable multi-connecting-rod movable welding robot comprising parallel closed-loop subchains
CN104526689A (en) * 2014-12-18 2015-04-22 广西大学 Parallel controllable mechanism type multi-freedom-degree moving stacking robot
CN104526680A (en) * 2014-12-12 2015-04-22 广西大学 Multi-degree of freedom wheel type mobile welding robot
CN104526676A (en) * 2014-12-18 2015-04-22 广西大学 Wheel type mobile robot palletizer with multiple closed-loop sub chains
CN104552234A (en) * 2014-12-18 2015-04-29 广西大学 Multi-freedom degree wheeled mobile stacking robot
CN104552245A (en) * 2014-12-12 2015-04-29 广西大学 Wheeled mobile welding robot with plurality of closed-loop sub-chains
CN104552235A (en) * 2014-12-18 2015-04-29 广西大学 Multi-connecting rod moving mechanical hand having controllable space and comprising in-parallel closed loop sub chains
CN104626103A (en) * 2014-12-18 2015-05-20 广西大学 Multi-freedom-degree parallel mechanism type controllable moving palletizing robot
CN104647334A (en) * 2014-12-25 2015-05-27 广西大学 Controllable multi-connecting-rod mobile manipulator
CN107825412A (en) * 2017-10-12 2018-03-23 广西大学 A kind of more structure state bionic machine robot mechanisms

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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104476051A (en) * 2014-12-12 2015-04-01 广西大学 Space-controllable multi-connecting-rod movable welding robot comprising parallel closed-loop subchains
CN104526680A (en) * 2014-12-12 2015-04-22 广西大学 Multi-degree of freedom wheel type mobile welding robot
CN104552245A (en) * 2014-12-12 2015-04-29 广西大学 Wheeled mobile welding robot with plurality of closed-loop sub-chains
CN104476539A (en) * 2014-12-18 2015-04-01 广西大学 Controllable mechanism type wheeled movable palletizing robot
CN104526689A (en) * 2014-12-18 2015-04-22 广西大学 Parallel controllable mechanism type multi-freedom-degree moving stacking robot
CN104526676A (en) * 2014-12-18 2015-04-22 广西大学 Wheel type mobile robot palletizer with multiple closed-loop sub chains
CN104552234A (en) * 2014-12-18 2015-04-29 广西大学 Multi-freedom degree wheeled mobile stacking robot
CN104552235A (en) * 2014-12-18 2015-04-29 广西大学 Multi-connecting rod moving mechanical hand having controllable space and comprising in-parallel closed loop sub chains
CN104626103A (en) * 2014-12-18 2015-05-20 广西大学 Multi-freedom-degree parallel mechanism type controllable moving palletizing robot
CN104476539B (en) * 2014-12-18 2016-06-15 广西大学 A kind of controllable-mechanism type wheel type mobile robot palletizer
CN104647334A (en) * 2014-12-25 2015-05-27 广西大学 Controllable multi-connecting-rod mobile manipulator
CN107825412A (en) * 2017-10-12 2018-03-23 广西大学 A kind of more structure state bionic machine robot mechanisms

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Application publication date: 20140409