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Five-freedom five-shaft parallel virtual-shaft machine tool

A virtual axis machine tool, a technology of degrees of freedom, applied in the direction of metal processing mechanical parts, large fixed members, metal processing equipment, etc., can solve the problem of undiscovered five-degree-of-freedom five-axis parallel mechanism, waste of drive and transmission device, increased control and manufacturing Difficulty and other problems, to achieve the effect of good processing and assembly technology, simple structure and simple structure

Inactive Publication Date: 2008-03-12
关胜驹
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Although many scholars, schools and machine tool manufacturers at home and abroad have developed a variety of virtual axis machine tool prototypes, these virtual axis machine tool prototypes all use a six-degree-of-freedom parallel mechanism to achieve five-axis motion, which not only wastes the drive and transmission of one axis device, and relatively increase the cost of machine tools, and increase the difficulty of control and manufacturing
In addition, no five-degree-of-freedom five-axis parallel mechanism has been found at home and abroad.

Method used

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Examples

Experimental program
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Effect test

Embodiment 1

[0033] Embodiment 1: FGSVPMT-1 five-degree-of-freedom five-axis parallel virtual axis machine tool

[0034] The structure of the FG5VPMT-1 five-degree-of-freedom five-axis parallel virtual axis machine tool is shown in Figure 1 and Figure 2. The motion table (20) passes through five connecting rods (3), (9), (10), (16), ( 19) It is connected with the fixed platform composed of three mutually perpendicular side panels (1), top panel (12) and back panel (14). on mutually perpendicular planes. Two double-supported fixed-length connecting rods (3) and (9), (16) and (19) are respectively connected to two vertical planes of the motion platform through spherical joints (2) and (6), (26) and (27) , two double-supported fixed-length connecting rods (3) and (9), (16) and (19) are connected to the side panel of the fixed table ( 1), the sliders (5) and (7), (15) and (18) on the back panel (14) are connected, the sliders (5) and (7) are installed on the slideway of the side panel (1), a...

Embodiment 2

[0036] Embodiment 2-FG5VPMT-2 five-degree-of-freedom five-axis parallel virtual axis machine tool

[0037]The structure of the FG5VPMT-2 five-degree-of-freedom five-axis parallel virtual axis machine tool is shown in Figure 3 and Figure 4. The motion table (46) passes through five connecting rods (30), (36), (37), (42), ( 45) It is connected with the fixed platform composed of three mutually perpendicular side panels (28), top panel (38), and back panel (40), and the kinematic pairs connected with the kinematic platform by five connecting rods are distributed on the three sides of the kinematic platform. on mutually perpendicular planes. Two double-supported fixed-length connecting rods (30) and (36), (42) and (45) are respectively connected to the two vertical planes of the motion platform through spherical joints (29) and (33), (52) and (53) , two double-supported fixed-length connecting rods (30) and (36), (42) and (45) are connected to the fixed table side panel ( 28), t...

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Abstract

A 5-dof (degree of freedom) virtual axis machine with five axes in parallel has a structure that a moving station is connected with a fixed station by five connecting rods which are connected with the moving station by a hinge and which are connected with the fixed station by a motion cutting. Each connecting rod can be retractable or with a fixed length. The moving station is equipped with a motorized spindle and a cutting tool. The present invention has an obviously reduced systematic motion nonlinearity and coupling degree, a good processing and assembling manufacturability and low cost and can be widely applied to the processes of space curved surfaces (such as die, an impeller, a helical gear).

Description

technical field [0001] The invention belongs to the field of mechanical manufacturing, in particular to a five-degree-of-freedom five-axis parallel virtual axis machine tool. Background technique [0002] CNC machine tools are important equipment for mechanical manufacturing, and their performance marks the level of a country's manufacturing industry. In the past ten years, a new concept of machine tools has emerged in the world - Virtual Axis Machine T001, also known as 6-Leg Machine T001 or Parallel Machine T001. The virtual axis machine tool is a hot topic in the field of numerical control research in the world, and scholars at home and abroad have done a lot of research work. The virtual axis CNC machine tool is a knowledge-intensive, intelligence-intensive, and technology-intensive mechatronics high-tech product, and it is the intersection of multidisciplinary application technologies such as parallel robots, numerical control machinery, computer control, precision mea...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23Q1/44B23Q1/48B23Q1/50
Inventor 关胜驹
Owner 关胜驹
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