CN208358264U - Five-freedom parallel machine tool with quadrilateral space structure - Google Patents
Five-freedom parallel machine tool with quadrilateral space structure Download PDFInfo
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- CN208358264U CN208358264U CN201821026664.5U CN201821026664U CN208358264U CN 208358264 U CN208358264 U CN 208358264U CN 201821026664 U CN201821026664 U CN 201821026664U CN 208358264 U CN208358264 U CN 208358264U
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- connecting rod
- straight line
- driving mechanism
- line driving
- hinged
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Abstract
The utility model, which provides one kind, can process the complex-curved five-freedom parallel machine tool with quadrilateral space structure, including pedestal, moving platform and the equivalent space quadrilateral structure being arranged between pedestal and moving platform: equivalent space quadrilateral structure includes the Double-hinged bar around its own axis rotation connection moving platform, first connecting rod, the second connecting rod that Double-hinged bar one end hingedly rotates coaxially, third connecting rod that the other end hingedly rotates coaxially, fourth link；Hinged 5th connecting rod in the moving platform other side；The first, second, third, fourth, the 5th connecting rod other end is hingedly respectively along first, second, third, fourth be arranged on pedestal, five sliding blocks of the 5th straight line driving mechanism movement；Double-hinged bar, first connecting rod or second connecting rod is any, pedestal, third connecting rod or any join end to end of fourth link constitute equivalent space quadrilateral structure.
Description
Technical field
The utility model belongs to machinery manufacturing technology field, and in particular to a kind of five with quadrilateral space structure is free
Spend parallel machine.
Background technique
In modern mechanical manufacturing field, component structural design and processing technology are increasingly complicated, have complex space curved surfaces
Components be widely used in many important fields, such as blade of aircraft, car, turbine etc..It processes this kind of
Part needs the lathe of at least five degree of freedom.
Five degree of freedom lathe common at present is divided into two kinds of series connection and parallel connection.Serial mechanism control is simple, and working space is big,
But its insufficient rigidity, and error is accumulative.Parallel institution rigidity is big, and error will not add up, and precision is high, power performance is good.
Currently, a variety of different patterns of the development need of industrial automation, different characteristics and the five degree of freedom that is able to satisfy different needs and
Online structure.
Summary of the invention
It can process that complex-curved, vertical direction operation interval is big the purpose of the utility model is to provide one kind, rigidity is high
The five-freedom parallel machine tool with quadrilateral space structure.
The purpose of this utility model is achieved in that a kind of five degree of freedom with quadrilateral space structure simultaneously
Online bed, including pedestal, moving platform and the equivalent space quadrilateral structure being arranged between pedestal and moving platform: equivalent space
Quadrilateral structure includes the Double-hinged bar around its own axis rotation connection moving platform, and Double-hinged bar one end hingedly coaxially turns
Dynamic first connecting rod, second connecting rod, third connecting rod that the other end hingedly rotates coaxially, fourth link；The moving platform other side is hinged
5th connecting rod；First connecting rod, second connecting rod, third connecting rod, fourth link, the 5th connecting rod other end are hingedly respectively along on pedestal
The first straight line driving mechanism of setting, second straight line driving mechanism, third straight line driving mechanism, the 4th straight line driving mechanism,
Five mobile sliding blocks of five straight line driving mechanisms；Double-hinged bar, first connecting rod or second connecting rod is any, pedestal,
Three-link or any join end to end of fourth link constitute equivalent space quadrilateral structure.
First connecting rod and second connecting rod are rotated coaxially around the first connecting shaft；It is cut with scissors between first connecting shaft and Double-hinged bar
It connects and the axis of its rotation axis and the first connecting shaft and Double-hinged bar is respectively perpendicular；Third connecting rod and fourth link are around second
Connecting shaft rotates coaxially；Hinged and its rotation axis and the second connecting shaft and Double-hinged between second connecting shaft and Double-hinged bar
The axis of bar is respectively perpendicular.
Hinged 5th connecting rod in the moving platform other side refers to that the rotation connection of the moving platform other side is dynamic around the rotation connection of its own axis
The single-head hinged bar of platform, hingedly single-head hinged bar and its pivot center are respectively perpendicular the 5th connecting rod and single-head hinged to the 5th connecting rod
The axis of bar.
First straight line driving mechanism, second straight line driving mechanism, third straight line driving mechanism, the 4th straight line driving mechanism,
5th straight line driving mechanism is screw mechanism disposed in parallel, and feed screw nut is connected with sliding block；Sliding block and first connecting rod, second
Connecting rod, fourth link, passes through flexural pivot between the 5th connecting rod and connects third connecting rod.
The beneficial effects of the utility model are: the symmetrical configuration that Double-hinged bar two sides are hinged, forms quadrilateral space
Structure is simple with relatively high rigidity and power performance and overall structure.Connecting rod connection sliding block moves on screw mechanism, erects
Histogram is to can have very big working space.Each branch's structure is similar, and interchangeability is good.Moving platform take up space it is smaller, can
With adapt to from different workplaces, parallel institution movement velocity is high, and precision is high, and the lathe of the application can be used to process turbine
Etc. complex-curved, processing space is bent.For example it is welded, the work such as Curved dectection, gluing, laser.
Detailed description of the invention
Fig. 1 is the utility model structure chart.
Fig. 2 is that the utility model removes pedestal and moving platform schematic diagram.
Fig. 3 is moving platform and operator structure figure.
Fig. 4 is part A enlarged drawing in Fig. 2
Wherein 1 is pedestal, and 2 be moving platform, and 3 be Double-hinged bar, and 4 be single-head hinged bar, 5 is first connecting rod, 6 is second
Connecting rod, 7 be third connecting rod, and 8 be fourth link, and 9 be the 5th connecting rod, and 10 be flexural pivot, and 11 be first straight line driving mechanism, and 12 be the
Two straight line driving mechanisms, 13 be third straight line driving mechanism, and 14 be the 4th straight line driving mechanism, and 15 be the 5th straight line driving
Structure, 16 be sliding block, and 17 workpiece, 18 be the first connecting shaft, and 19 be the second connecting shaft, and 20 be operator.
Specific embodiment
As shown in Figs 1-4, a kind of five-freedom parallel structure with quadrilateral space structure, including pedestal 1, moving platform
2 and the equivalent space quadrilateral structure that is arranged between pedestal 1 and moving platform 2.Equivalent space quadrilateral structure includes around it
Own axis connects the Double-hinged bar 3 of moving platform 2, first connecting rod 5 that 3 one end of Double-hinged bar hingedly rotates coaxially,
Second connecting rod 6, third connecting rod 7 that the other end hingedly rotates coaxially, fourth link 8.Hinged 5th connecting rod 9 in 2 other side of moving platform.
First connecting rod 5, second connecting rod 6, third connecting rod 7, fourth link 8,9 other end of the 5th connecting rod on pedestal 1 hingedly respectively along setting
First straight line driving mechanism 11, the second straight line driving mechanism 12, third straight line driving mechanism 13, the 4th straight line driving mechanism set
14, five mobile sliding blocks 16 of the 5th straight line driving mechanism 15.Double-hinged bar 3, first connecting rod 5 or second connecting rod 6 are wherein
Any, pedestal 1, third connecting rod 7 or any join end to end of fourth link 8 constitute equivalent space quadrilateral structure.This reality
There are 3 one-movement-freedom-degrees with novel moving platform 2,2 rotational freedoms can process more complicated curved surface.Workpiece 17 is located at
The lower section of moving platform 2.The hinged symmetrical configuration in 3 both sides of Double-hinged bar and composition quadrilateral space structure can have more preferable
Rigidity, mechanism is more rigid.Operator 20, such as detector or laser head or camera are set on moving platform 2, are used to add
Work or detection workpiece.
First connecting rod 5 is rotated coaxially with second connecting rod 6 around the first connecting shaft 18；First connecting shaft 18 and Double-hinged bar
Hinged and its rotation axis and the first connecting shaft 18 and Double-hinged bar 3 axis is respectively perpendicular between 3.Third connecting rod 7 and the 4th
Connecting rod 8 is rotated coaxially around the second connecting shaft 19；Hinged and its rotation axis and the between second connecting shaft 19 and Double-hinged bar 3
The axis of two connecting shafts 19 and Double-hinged bar 3 is respectively perpendicular.
Hinged 5th connecting rod 9 in 2 other side of moving platform refers to that the rotation connection of 2 other side of moving platform is rotated around its own axis and connects
Connect the single-head hinged bar 4 of moving platform 2, the hinged single-head hinged bar 4 of the 5th connecting rod 9 and its pivot center is respectively perpendicular the 5th connecting rod 9
With the axis of single-head hinged bar 4.It is connected between moving platform and 2 the 5th connecting rods 9 by Hooke's hinge.Moving platform 2 and the first rotation axis
18, between the second rotation axis 19 by Hooke's hinge be connected, i.e., Double-hinged bar 3 be two Hooke's hinge one end axis be connected and
At the axis of two Hooke's hinge other ends i.e. the first connecting shaft 18 and the second connecting shaft 19.
First straight line driving mechanism 11, second straight line driving mechanism 12, third straight line driving mechanism 13, the 4th linear drives
Mechanism 14, the 5th straight line driving mechanism 15 are screw mechanism disposed in parallel, and feed screw nut is connected with sliding block 16.Sliding block 16 with
First connecting rod 5, third connecting rod 7, fourth link 8, passes through flexural pivot between the 5th connecting rod 9 and connects second connecting rod 6.Using lead screw spiral shell
For parent agency as straight line driving mechanism, parallel institution is larger in lead screw length direction, that is, vertical direction working space.This is practical new
First straight line driving mechanism 11, second straight line driving mechanism 12, third straight line driving mechanism 13, the 4th straight line driving mechanism in type
14, the 5th straight line driving mechanism 15 does not constitute load, effectively reduces the movement inertia of moving component, and movement velocity is fast.
When it is implemented, the track of moving platform 2 determines according to actual conditions, according to driven by program first straight line driving mechanism
11, second straight line driving mechanism 12, third straight line driving mechanism 13, the 4th straight line driving mechanism 14, the 5th straight line driving mechanism
Sliding block 16 on 15 is mobile, to control the motion conditions of moving platform 2.
Claims (4)
1. a kind of five-freedom parallel machine tool with quadrilateral space structure, it is characterised in that: including pedestal, moving platform and
The equivalent space quadrilateral structure between pedestal and moving platform is arranged in: equivalent space quadrilateral structure includes around its own axis
It is rotatablely connected the Double-hinged bar of moving platform, first connecting rod, the second connecting rod that Double-hinged bar one end hingedly rotates coaxially are another
Hold the third connecting rod hingedly rotated coaxially, fourth link；Hinged 5th connecting rod in the moving platform other side；First connecting rod, second connecting rod,
Third connecting rod, fourth link, the 5th connecting rod other end are hingedly respectively along the first straight line driving mechanism being arranged on pedestal, second
Five mobile cunnings of straight line driving mechanism, third straight line driving mechanism, the 4th straight line driving mechanism, the 5th straight line driving mechanism
Block；Double-hinged bar, first connecting rod or second connecting rod is any, pedestal, third connecting rod or fourth link are any
It joins end to end and constitutes equivalent space quadrilateral structure.
2. having the five-freedom parallel machine tool of quadrilateral space structure according to claim 1, it is characterised in that: first connects
Bar and second connecting rod are rotated coaxially around the first connecting shaft；Between first connecting shaft and Double-hinged bar hinged and its rotation axis with
The axis of first connecting shaft and Double-hinged bar is respectively perpendicular；Third connecting rod and fourth link coaxially turn around the second connecting shaft
It is dynamic；The axis of hinged and its rotation axis and the second connecting shaft and Double-hinged bar is distinguished between second connecting shaft and Double-hinged bar
Vertically.
3. the five-freedom parallel machine tool according to claim 1 or claim 2 with quadrilateral space structure, it is characterised in that: institute
Hinged 5th connecting rod in the moving platform other side is stated, refers to the rotation connection of the moving platform other side around its own axis rotation connection moving platform
Single-head hinged bar, hingedly single-head hinged bar and its pivot center are respectively perpendicular the axis of the 5th connecting rod and single-head hinged bar to the 5th connecting rod
Line.
4. having the five-freedom parallel machine tool of quadrilateral space structure according to claim 3, it is characterised in that: described the
One straight line driving mechanism, second straight line driving mechanism, third straight line driving mechanism, the 4th straight line driving mechanism, the 5th straight line drive
Motivation structure is screw mechanism disposed in parallel, and feed screw nut is connected with sliding block；Sliding block and first connecting rod, second connecting rod, third
Connecting rod, fourth link pass through flexural pivot between the 5th connecting rod and connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821026664.5U CN208358264U (en) | 2018-06-30 | 2018-06-30 | Five-freedom parallel machine tool with quadrilateral space structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821026664.5U CN208358264U (en) | 2018-06-30 | 2018-06-30 | Five-freedom parallel machine tool with quadrilateral space structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208358264U true CN208358264U (en) | 2019-01-11 |
Family
ID=64927782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821026664.5U Withdrawn - After Issue CN208358264U (en) | 2018-06-30 | 2018-06-30 | Five-freedom parallel machine tool with quadrilateral space structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208358264U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108723801A (en) * | 2018-06-30 | 2018-11-02 | 郑州大学 | Five-freedom parallel machine tool with quadrilateral space structure |
-
2018
- 2018-06-30 CN CN201821026664.5U patent/CN208358264U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108723801A (en) * | 2018-06-30 | 2018-11-02 | 郑州大学 | Five-freedom parallel machine tool with quadrilateral space structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20190111 Effective date of abandoning: 20230627 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20190111 Effective date of abandoning: 20230627 |