CN110170856A - A kind of five-axis linkage machine tools containing three-translational parallel connection mechanism - Google Patents
A kind of five-axis linkage machine tools containing three-translational parallel connection mechanism Download PDFInfo
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- CN110170856A CN110170856A CN201910379007.1A CN201910379007A CN110170856A CN 110170856 A CN110170856 A CN 110170856A CN 201910379007 A CN201910379007 A CN 201910379007A CN 110170856 A CN110170856 A CN 110170856A
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- connection mechanism
- parallel connection
- machine tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/25—Movable or adjustable work or tool supports
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
- B23Q5/22—Feeding members carrying tools or work
- B23Q5/34—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission
- B23Q5/38—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously
- B23Q5/40—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously by feed shaft, e.g. lead screw
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Turning (AREA)
Abstract
A kind of five-axis linkage machine tools containing three-translational parallel connection mechanism, the lathe directly turn by the way of platform combines using parallel institution and twin shaft, and parallel institution completes three linear axis movements, directly turns platform and completes two rotary motions.Lathe is made of parallel institution component 1, guard assembly 2, Turntable Assemblies 3.Parallel institution component includes lathe bed 19, main shaft 21, headstock 35 and three equally distributed branches 20.Three branched structures are identical.Main shaft 21 is fixed in headstock 35.In every branch, the parallelogram that upper axis 31, lower axle 36 and two side levers 32 are constituted constitutes a line of rigid quadrangle, and slide mass 27, upper boom 30, headstock 35 constitute another 3 sides of rigid quadrangle.Rigid quadrangle makes branch stroke have the enclosed construction of redundant constaint, improves branch chain rigidity.Power is provided by lead screw assembly 26 in every branch, three branches are connected with headstock 35, and three branches, which cooperate, finally realizes the three axis translation of head.
Description
Technical field
The invention belongs to digit ctrol machine tool field, in particular to a kind of five axis series-parallel machine tools.
Background technique
Raising with every profession and trade to processing request, traditional numeric-control machine face cut cut power deficiency, poor rigidity, low efficiency
The problems such as it is more and more prominent, and parallel machine has compact-sized a, high-bearing capacity, it is error free it is accumulative etc. have advantage, in certain journey
The defect of conventional serial lathe is compensated on degree.Therefore the advantage of parallel machine has attracted lot of domestic and foreign scholar to study, and takes
Obtained important breakthrough.But since parallel machine spatial movement is not intuitive, technical level and know-how to user are required very
Height, parallel machine popularity rate is not high within 10 years before.But with perfect, the parallel machine of parallel machine control technology, calibration technique
Bed can be gradually increased in the utilization rate of digit ctrol machine tool field, and will occupy a tiny space.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art, design a kind of structure it is simple, it is at low cost, there is high efficiency
With high-precision five axis series-parallel machine tool.
The present invention is achieved by the following technical solutions in order to solve the above problem: a kind of five containing three-translational parallel connection mechanism
Axis linkage machine tool is made of lathe guard assembly, parallel institution component, Turntable Assemblies.Parallel institution component include lathe bed, main shaft,
Headstock and three equally distributed branches, main shaft are fixed in headstock.Three branched structures are identical, and every branch includes vertical
Column, nut seat, guide rail, sliding block, lead screw assembly, slide mass, ball hinge, flexural pivot, upper boom, upper axis, side lever, lower axle, headstock.Three
A column is fixed on lathe bed.Turntable Assemblies include pedestal, bridge plate, C axis.Pedestal is fixed on lathe bed, and bridge plate is rotated around pedestal,
Form A axis.Ball hinge is fixed on slide mass, and ball hinge is fixed on headstock, and two flexural pivots are separately fixed at upper boom both ends,
Flexural pivot and ball hinge form spherical pair.Upper shaft sleeve makes rotating motion on slide mass.Lower axle passes through headstock, does around headstock
Rotary motion.Two side lever one end are fixed on axis, and the other end is fixed in lower axle, and side lever and upper axis, side lever and lower axle are equal
For revolute pair.Three branches are evenly distributed on lathe bed.For each branch slide mass in different location, main shaft is along tri- sides X, Y, Z
To movement, three linear axis movements of lathe are realized.
Above-mentioned a kind of five-axis linkage machine tools containing three-translational parallel connection mechanism, which is characterized in that use parallel institution and double
Axis directly turns the mode that platform combines.Parallel institution completes three linear axis movements, directly turns platform and completes two rotary motions.
Above-mentioned a kind of five-axis linkage machine tools containing three-translational parallel connection mechanism, it is characterised in that by lathe guard assembly, three flat
Dynamic parallel institution component, Turntable Assemblies are constituted.
Above-mentioned a kind of five-axis linkage machine tools containing three-translational parallel connection mechanism, it is characterised in that Turntable Assemblies include pedestal, bridge
Plate, C axis.Pedestal is fixed on lathe bed, and bridge plate is rotated around pedestal, forms A axis.
Above-mentioned a kind of five-axis linkage machine tools containing three-translational parallel connection mechanism, it is characterised in that three-translational parallel connection mechanism is by three
Equally distributed branch is constituted.Guide rail is fixed on column in every branch, and sliding block is fixed on slide mass, and sliding block can be along guide rail
It slides up and down.Screw cover for seat is connected in the lead screw of lead screw assembly, and with slide mass.When motor drives lead screw rotation, slide mass
It moves up and down along guide rail.
Above-mentioned a kind of five-axis linkage machine tools containing three-translational parallel connection mechanism, it is characterised in that Delta is referred in every branch
Mechanism, upper axis, lower axle and two side levers constitute parallelogram sturcutre, which is converted to translation for the rotation of side lever.
A kind of above-mentioned five-axis linkage machine tools containing three-translational parallel connection mechanism, which is characterized in that in every branch, upper axis, under
The parallelogram that axis and two side levers are constituted constitutes a line of rigidity reinforced mechanism, and slide mass, upper boom, headstock constitute rigid
Property enhancing mechanism another 3 sides.Rigidity reinforced mechanism makes branch form the enclosed construction with redundant constaint, improves branch
Rigidity.
Compared with prior art, the beneficial effects of the invention are that: lathe uses parallel institution and twin shaft and directly turns platform phase
In conjunction with mode.Parallel institution completes three linear axis movements, directly turns platform and completes two rotary motions.This combination both played
Parallel institution is efficient, flexible speciality, and takes full advantage of the characteristics of twin shaft directly turns high platform precision, large carrying capacity, makes
Machine tool capability is optimal.Three-translational parallel connection mechanism structure is simple, easily controllable, and driving method is three linear drives, carrying
Ability is big, and movement travel is long.Three linear motions are pure parallel institution, and tri- directions of motion of X, Y, Z can obtain big speed
And acceleration, improve processing efficiency.Three branches are uniformly distributed, and form supported at three point to moving component, rigidity is strong.Every branch
It is all made of the enclosed construction of redundant constaint, further enhances rigidity.
Detailed description of the invention
Fig. 1 is lathe general illustration of the present invention.
Fig. 2 is lathe guard assembly structural schematic diagram of the present invention.
Fig. 3 is host component schematic diagram of the present invention.
Fig. 4 is 1 schematic diagram of branched structure of the present invention.
Fig. 5 is 2 schematic diagram of branched structure of the present invention.
Fig. 6 is Turntable Assemblies schematic diagram of the present invention.
Fig. 7 is revolving table position schematic diagram of the present invention.
Fig. 8 is host interior layout schematic diagram of the present invention.
Specific embodiment
Present invention is further described in detail with specific embodiment with reference to the accompanying drawing.
This lathe host as shown in Figure 1 is made of parallel institution component 1, guard assembly 2,3 three parts of Turntable Assemblies.
Guard assembly 2 as shown in Figure 2 include upper cover 4, left front door 5, right front door 6, left front lower cover plate 7, left front upper cover plate 8,
Machine inner cover plate 9, upper bellows supporting plate 10, upper left cover board 11, bellows guide groove I12, upper bellows 13, bellows guide groove II14,
Upper right cover board 15, lower bellows 16, right front upper cover board 17, right front lower cover board 18.
Left front door 5, right front door 6 guide rail can slide along shield 4, realize the movement of lathe switch gate.
Parallel institution components as shown in Figure 3 include lathe bed 19, main shaft 21, headstock 35 and three equally distributed branch
Chain 20.Three branched structures are identical.Main shaft 21 is fixed in headstock 35.
Every branch includes column 22, nut seat 23, guide rail 25, sliding block 24, lead screw assembly 26, slide mass as shown in Figure 4
27, ball hinge 28, flexural pivot 29, upper boom 30, upper axis 31, side lever 32, lower axle 36, headstock 35.Three columns are fixed on lathe bed.
Guide rail 25 as shown in Figure 4 is fixed on column 22, and sliding block 24 is fixed on slide mass 27, and sliding block 24 can be along guide rail
Lower slider.23 sets of nut seat are connected in the lead screw of lead screw assembly 26, and with slide mass 27.It is sliding when motor drives lead screw rotation
Kinetoplast 27 moves up and down along guide rail 25.
As shown in Figure 4, Figure 5, ball hinge 28 is fixed on slide mass, and ball hinge 34 is fixed on headstock 35, flexural pivot 29,
33 are separately fixed at 30 both ends of upper boom, and flexural pivot and ball hinge form spherical pair.31 sets of upper axis does rotation fortune on slide mass 27
It is dynamic.Lower axle 36 passes through headstock 35, makes rotating motion around headstock 35.Two 30 one end of side lever are fixed on axis 31, another
End is fixed in lower axle 36, is revolute pair between side lever 30 and upper axis 31, side lever 30 and lower axle 36.
As shown in Figure 4, Figure 5, upper axis 31, lower axle 36 and two side levers 32 constitute parallelogram sturcutre in every branch,
The rotation of side lever 32 is converted to translation by the mechanism.
As shown in figure 3, three branches are evenly distributed on lathe bed 19.Each branch slide mass 27 is in different location, main shaft
21 move along tri- directions X, Y, Z, realize three linear axis movements of lathe.
Such as scheme as shown in Figure 4, Figure 5, in every branch, parallel four side of upper axis 31, lower axle 36 and two side levers 32 composition
Shape constitutes a line of rigid quadrangle, and slide mass 27, upper boom 30, headstock 35 constitute another 3 sides of rigid quadrangle.Rigidity
Quadrangle makes branch stroke have the enclosed construction of redundant constaint, improves branch chain rigidity.
As shown in fig. 6, Turntable Assemblies include pedestal 37, bridge plate 38, C axis 39.Pedestal is fixed on lathe bed 19, bridge plate 38
It is rotated around pedestal 37, forms A axis.
Turntable Assemblies position is as shown in fig. 7, host interior layout is as shown in Figure 8.
Claims (5)
1. a kind of five-axis linkage machine tools containing three-translational parallel connection mechanism, which is characterized in that directly driven using parallel institution and twin shaft
The mode that turntable combines.Parallel institution completes three linear axis movements, directly turns platform and completes two rotary motions.
2. a kind of five-axis linkage machine tools containing three-translational parallel connection mechanism according to claim 1, it is characterised in that by lathe
Guard assembly, three-translational parallel connection mechanism component, Turntable Assemblies are constituted.
3. a kind of five-axis linkage machine tools containing three-translational parallel connection mechanism according to claim 2, it is characterised in that turntable group
Part includes pedestal, bridge plate, C axis.Pedestal is fixed on lathe bed, and bridge plate is rotated around pedestal, forms A axis.
4. a kind of five-axis linkage machine tools containing three-translational parallel connection mechanism according to claim 2, it is characterised in that three translations
Parallel institution is made of three equally distributed branches.Guide rail is fixed on column in every branch, and sliding block is fixed on slide mass
On, sliding block can be slided up and down along guide rail.Screw cover for seat is connected in the lead screw of lead screw assembly, and with slide mass.Motor drives silk
When thick stick rotates, slide mass moves up and down along guide rail.
5. a kind of five-axis linkage machine tools containing three-translational parallel connection mechanism according to claim 4, which is characterized in that every branch
In chain, the parallelogram that upper axis, lower axle and two side levers are constituted constitutes a line of rigidity reinforced mechanism, slide mass, upper boom,
Another 3 sides of headstock composition rigidity reinforced mechanism.Rigidity reinforced mechanism makes branch form the enclosed construction with redundant constaint,
Improve branch chain rigidity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910379007.1A CN110170856A (en) | 2019-05-08 | 2019-05-08 | A kind of five-axis linkage machine tools containing three-translational parallel connection mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910379007.1A CN110170856A (en) | 2019-05-08 | 2019-05-08 | A kind of five-axis linkage machine tools containing three-translational parallel connection mechanism |
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| CN110170856A true CN110170856A (en) | 2019-08-27 |
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| CN201910379007.1A Pending CN110170856A (en) | 2019-05-08 | 2019-05-08 | A kind of five-axis linkage machine tools containing three-translational parallel connection mechanism |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112571137A (en) * | 2019-09-30 | 2021-03-30 | 兄弟工业株式会社 | Machine tool |
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| CN112571137A (en) * | 2019-09-30 | 2021-03-30 | 兄弟工业株式会社 | Machine tool |
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Application publication date: 20190827 |
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