Vertical type reconfigurable multifunctional parallel mechanism

A multi-functional, parallel technology, applied in the field of machines and mechanisms, can solve the problems of inflexible rod rotation, small working space of the five-rod model, and inability to quickly reconfigure, etc. Easy-to-control effects

Active Publication Date: 2017-05-17
NORTHEASTERN UNIV
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  • Abstract
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Problems solved by technology

[0004] The present invention mainly aims at the problems that the five-bar model in the prior art has small working space, cannot be quickly reconfigured, the parallel mechanism has single function, the rotation of the bar is not flexible, and the friction is large, and provides a compact structure, large working space, and flexible rotation. , a vertical reconfigurable multifunctional parallel mechanism that is easy to assemble and disassemble

Method used

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  • Vertical type reconfigurable multifunctional parallel mechanism
  • Vertical type reconfigurable multifunctional parallel mechanism
  • Vertical type reconfigurable multifunctional parallel mechanism

Examples

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Embodiment Construction

[0025] Such as Figure 1 to Figure 3 As shown, this example is a vertical reconfigurable multifunctional parallel mechanism, which is composed of a working platform and a supporting frame, a functional reconfigurable device and a frame position adjusting device. The working platform and supporting frame include 10 40 series Aluminum profiles 1, corner connectors 9, working table 14, ten pieces of 40 series aluminum profiles 1 form an integral support frame, and are connected and reinforced with corner connectors 9, and the working table 14 is fastened to 40 series aluminum profiles 1 with bolts and nuts .

[0026] Described function reconfigurable device comprises left connecting rod 16, connecting block 27, straight pin 21, screw 22, connecting frame 20, clamping mechanism 15, tool head 13, and straight pin 21 connects connecting block 27 on the left connecting block from one end. On the rod 16, it plays a role of positioning and supporting. The screw 22 fastens the connecti...

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Abstract

In order to solve the problems that in the prior art, 5R parallel mechanisms are small in movement space, incapable of fast reconfiguration and large in rod and rod connection friction, the invention discloses a vertical type reconfigurable multifunctional parallel mechanism. The vertical type reconfigurable multifunctional parallel mechanism comprises a working platform, a five-rod mechanism, a reconfigurable end effector and a rack position adjusting device. A rack is fixed on the position adjusting device, and the end effector is installed on connecting rods of the parallel mechanism. The rack position adjusting device drives a ball screw through a stepping motor, then the position of the rack is changed, and thus the whole parallel mechanism moves in the axis direction of the ball screw so as to obtain larger working space. The reconfigurable end effector is of the structure that the clamping range is changeable and disassembling is easy, so that clamping of different components such as an electric spindle, a 3D printing head and a laser sintering head is achieved, and fast reconfiguration is achieved so as to realize different processing technologies.

Description

technical field [0001] The invention relates to the technical field of machines and mechanisms, in particular to a vertical reconfigurable multifunctional parallel mechanism. Background technique [0002] A reconfigurable parallel mechanism is a device that can change its configuration according to changes in tasks or environments. By combining modules, reconfigurable devices can be easily and quickly assembled into devices suitable for different tasks. At present, the application of parallel mechanisms is more mature, and most of them are parallel mechanisms with few degrees of freedom, among which 2 degrees of freedom and 5R parallel mechanisms are the most typical. The 2-DOF 5R parallel mechanism has a simple and compact structure and is easy to control. As the main motion structure of parallel manipulators and robots, it is widely used in precision pick-and-place of tiny parts, machining and other operations. [0003] Patent CN201510246105.X discloses a hybrid drive re...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B25J9/00B25J9/12
CPCB25J9/003B25J9/126
Inventor 王志辉于天彪秦振江郑伟
Owner NORTHEASTERN UNIV
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