CN205520668U - A quartering swallow shape five -axis machining equipment - Google Patents
A quartering swallow shape five -axis machining equipment Download PDFInfo
- Publication number
- CN205520668U CN205520668U CN201620111419.9U CN201620111419U CN205520668U CN 205520668 U CN205520668 U CN 205520668U CN 201620111419 U CN201620111419 U CN 201620111419U CN 205520668 U CN205520668 U CN 205520668U
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- China
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- frame
- revolute pair
- rotating bezel
- branch
- axis
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Abstract
The utility model provides a quartering swallow shape five -axis machining equipment, it includes main shaft, simple pendulum head, moves the platform, four straight lines drive branch, frame, a first rotation frame and two seconds and rotate frames, first rotation frame lies in frame bilateral symmetry face to be connected with the frame through the revolute pair, and two first straight lines drive the branch and pass first rotations frame, and the middle part is with one end respectively with first rotations frame with move the platform and be connected, and four revolute pair axis parallels of each other are the first rotation frames of perpendicular to rotation axis just, two seconds rotate the frame and are located the frame left and right sides and pass through the revolute pair and link to each other with the frame, and two seconds sharply drive the branch and pass respective second and rotate the frame, and middle part and second rotate the frame and pass through the revolute pair and be connected separately, one end and move the platform and pass through the spherical hinge joint, and the simple pendulum head is established on moving the platform, and the main shaft is fixed at the simple pendulum overheadly. The utility model discloses compact structure, structural stiffness is big, bearing capacity is strong, the machining precision is high, and the five -axle linkage can realize curved surface processing.
Description
Technical field
This utility model belongs to numerical controlled machinery manufacture field, particularly to a kind of numerical control five-axle process equipment.
Background technology
Five-axis NC Machining Center, be a kind of high in technological content, precision is high is specifically designed to adding of processed complex curved surface
Work center, this machining center system to a national Aeronautics and Astronautics, military affairs, scientific research, precision instruments,
High-precision armarium etc. industry has very important power of influence.At present, five-shaft linkage numerical control machining center
Frame for movement mainly with the form composition of series connection and series-parallel connection, the five-axis milling machining center of serial machine tool is many
Indexing that number adds series connection Double swing head by the linear motions in tri-directions of X, Y, Z or two-freedom workpiece is installed
The mode of turntable provides five degree of freedom, and which results in Five-axis NC Machining Center, to have rigidity relatively low, bearing capacity
A series of shortcomings such as less.The advantages such as it is big that parallel institution has stiffness/weight ratio, low cost of manufacture, nearly 20
Having been developed that different types of machines model machine over Nian both at home and abroad, wherein Stewart platform mechanism based on six degree of freedom sets
Meter exploitation model machine is more, and some has been applied, but it is many to there is branch, and work space is little waits deficiency.Go here and there and mix
Connection machine tool applications minority carrier generation lifetime branch is few, the advantage that work space is big, great majority by three from
The mode being added series connection Double swing head by degree parallel institution provides five degree of freedom, and Double swing head space is big, but
Double swing head volume is big in high precision, cost is high, have impact on its application.Publication No. CN102490187A
Patent propose a kind of Novel parallel manipulator with five freedom degrees, although this invention comes all of parallel institution
Meet five degree of freedom, but actuating station flexible space is little.The patent of Publication No. CN104029196A proposes
A kind of three-rotation one-movement four-freedom parallel mechanism, its four branched structures rigidity is preferable, but machining center is also
Need not three rotational freedoms.The patent of Publication No. CN1958229A proposes a kind of five degree of freedom also
Series connection Digit Control Machine Tool, uses the parallel institution series connection wobble servo axle of four flexible branches to achieve five-axle linkage；
When the universal hinge position in fixed platform and motion platform ball pivot, revolute pair are rectangle and four flexible branches etc.
During length, parallel institution recurring structure is unusual；In order to avoid mechanism singularity, such as institute in this inventive embodiments accompanying drawing
Showing, it uses motion platform and fixed platform free bearing position to be reverse trapezoidal profile, and on motion platform, two turn
Dynamic pair is arranged adjacent each other at trapezoidal bottom, and two ball pivots are arranged adjacent each other at trapezoidal upper base, though this layout reason
Leave singular point on Lun, but due to the most odd dissimilarity relative close, make motion platform respectively inconsistent to rigidity,
Relatively low around the rigidity being perpendicular to the torsion of fixed platform axis, ball pair is adjacently positioned makes lathe flexible space less,
Factors above makes it be difficult to meet the actual requirement of parallel machine engineering.
Summary of the invention
It is big that the purpose of this utility model is to provide a kind of work space, and all directions move big with torsional rigidity, joint
About cost, four branch's five-axis machining apparatus easy for installation.
This utility model include main shaft, single pendulum head, moving platform, four linear drives branches, frame, one
First rotating bezel and two the second rotating bezels；Described four linear drives branches are straight line module and drive.
The first connected mode:
Described frame is made up of frame before door font and the arch after-frame being connected as a single entity with it thereafter, described first turn
Dynamic frame is located in the frame of frame arch after-frame, and this first rotating bezel is connected with frame by revolute pair, this rotation
Secondary axis is positioned at symmetrical of frame and is 0 ° to 45 ° with table plane angle, and two first straight
Line drives the two ends of the straight line module slide block of branch to be connected by the two ends up and down of revolute pair with the first rotating bezel respectively
Connect, one end of these two the first linear drives branches for drive motor, its other end respectively by revolute pair with
The upper end of moving platform and bottom connect, and four revolute pair axis in above-mentioned two the first linear drives branches are mutual
Parallel and be perpendicular to the first rotating bezel pivot center；Said two the second rotating bezel is located at frame upswept frame
Both sides, top, said two the second rotating bezel is connected with frame by revolute pair respectively, and two the second straight lines drive
The two ends of the straight line module slide block of dynamic branch are connected with the second rotating bezel by revolute pair respectively, these two second
One end of linear drives branch is for driving motor, and its other end is respectively by the secondary left and right sides with moving platform of ball
Connecting, single pendulum head is located on moving platform and pivot center is perpendicular to above-mentioned two revolute pairs being connected with moving platform
Axis, main shaft is fixed on single pendulum head.
The second connected mode:
Described frame is upswept frame, and described first rotating bezel is located at left and right, the frame upswept frame top plane of symmetry
In, this first rotating bezel is connected with frame by revolute pair, and this revolute pair axis is positioned at symmetrical of frame
In and be 0 ° to 45 ° with table plane angle, the straight line module slide block of two the first linear drives branches
Two ends be connected with the two ends up and down of the first rotating bezel by revolute pair respectively, these two second linear drives are divided
The one end propped up is for driving motor, and its other end is connected with the upper/lower terminal of moving platform by revolute pair respectively,
Four revolute pair axis in above-mentioned two the first linear drives branches extend parallel to one another and perpendicularly relative to the first rotating bezel
Pivot center；Said two the second rotating bezel is positioned at frame lower both sides and respectively by revolute pair and frame phase
Even, the two ends of the straight line module slide block of two the second linear drives branches are rotated with second by revolute pair respectively
Frame connects, and one end of these two the second linear drives branches is for driving motor, and its other end is secondary by ball respectively
It is connected with the left and right sides of moving platform；Single pendulum head is located on moving platform and pivot center is perpendicular to above-mentioned and dynamic flat
The two revolute pair axis that platform connects, main shaft is fixed on single pendulum head.
The linear drives that two are connected with moving platform revolute pair is divided by this utility model by arranging the first rotating bezel
Prop up and be assembled into the plane mechanism main body with balance staff, referred to as swallow body；Two other linear drives branch (swallow
Wing) it is arranged on plane mechanism main body (swallow body) both sides, the first rotating bezel by second, third rotating bezel
Top (swallow-wing is upwards) or bottom (swallow-wing is downward), two ball pivots are arranged on moving platform two revolute pair center even
Line both sides.
This utility model compared with prior art has the advantage that
1, this utility model utilizes the mode of this swallow shape branched layout effectively to avoid the unusual of mechanism, and
And achieve the moving platform mobile rigidity along all directions and the torsional rigidity concordance around all directions is good, rigidity is big.
2, this utility model utilizes the secondary mode positioned opposite of ball to add the utilization of ball pair corner, effectively increases
The flexible space of big lathe meets the Five-axis NC Machining Center requirement to parallel institution work space.
3, this utility model is big with Double swing head series-parallel machine tool structure compared rigidity of connecting, and bearing capacity is strong, precision
High；
4, this utility model utilizes linear drives branch to make and single pendulum head is for driving, and drives rigidity big, and work carries
The big transmission of lotus is few, and machining accuracy is high.
Above feature makes this utility model can be good at meeting parallel machine in the actual requirement of engineering.
Accompanying drawing explanation
Fig. 1 is the three-dimensional simplified schematic diagram of this utility model embodiment 1.
Fig. 2 is the rearview of Fig. 1.
Fig. 3 is the three-dimensional simplified schematic diagram of this utility model embodiment 2.
Fig. 4 is the rearview of Fig. 3.
In figure: 1, the first linear drives branch a；2, the first linear drives branch b；3, the first rotating bezel；
4, the second linear drives branch a；5, the second rotating bezel a；6, single pendulum head；7, main shaft；8, moving platform；
9, the second linear drives branch b；10 second rotating bezel b；11 frames.
Detailed description of the invention
Embodiment 1
In four branch's swallow shape five-axis machining apparatus schematic diagrams shown in Fig. 1 and Fig. 2, frame 11 is by door font
The arch after-frame composition that front frame and being provided with thereafter is connected as a single entity with it, the first rotating bezel 3 is located at frame arch frame
In the frame at frame rear portion, this first rotating bezel passes through revolute pair R1It is connected with frame, this revolute pair R1Axis position
It is 45 ° to 90 ° in symmetrical of frame and with table plane angle, the first linear drives branch a
1, the two ends of the straight line module slide block of the first linear drives branch b2 are respectively by revolute pair R2And R3With
The two ends up and down of one rotating bezel connect, and one end of these two the first linear drives branches is for driving motor, and it is another
One end is respectively by revolute pair R8And R9Be connected with upper end and the bottom of moving platform 8, above-mentioned two first straight
Line drives four revolute pair axis in branch to extend parallel to one another and perpendicularly relative to the first rotating bezel pivot center；Second
Rotating bezel a5 and the second rotating bezel b10 is located at both sides, frame upswept frame top, and said two second rotates
Frame is respectively by revolute pair R4、R6It is connected with frame, the straight line module slide block of the second linear drives branch a
Two ends are respectively by revolute pair R5It is connected with the second rotating bezel a, the straight line module of the second linear drives branch b
The two ends of slide block are respectively by revolute pair R7It is connected with the second rotating bezel b, these two the second linear drives branches
One end for driving motor, its other end is respectively by ball secondary S2And S1It is connected with the left and right sides of moving platform,
Single pendulum head 6 is located on moving platform and pivot center is perpendicular to above-mentioned two revolute pairs R being connected with moving platform8With
R9Axis, main shaft 7 is fixed on single pendulum head and pivot center is perpendicular to the pivot center of single pendulum head.
Embodiment 2
As shown in Figure 3 and Figure 4, frame 11 is upswept frame, and the first rotating bezel 3 is located at frame upswept frame
In the plane of symmetry of left and right, top, this first rotating bezel passes through revolute pair R1It is connected with frame, this revolute pair axis position
It is 0 ° to 45 ° in symmetrical of frame and with table plane angle, the first linear drives branch a1
Revolute pair R is passed through respectively with the two ends of the straight line module slide block of the first linear drives branch b22And R3With first
The two ends up and down of rotating bezel connect, and one end of these two the second linear drives branches is driving motor, its another
End is respectively by revolute pair R8And R9It is connected with the upper/lower terminal of moving platform, above-mentioned two the first linear drives
Four revolute pair axis in branch extend parallel to one another and perpendicularly relative to the first rotating bezel pivot center；Second rotating bezel a
5 and second rotating bezel b10 be respectively provided at frame lower both sides, said two the second rotating bezel passes through revolute pair
R4、R6Being connected with frame, the two ends of the straight line module slide block of two the second linear drives branches are respectively by turning
Dynamic secondary R5、R7Being connected with the second rotating bezel, one end of these two the second linear drives branches is driving motor,
Its other end is respectively by ball secondary S2And S1It is connected with the left and right sides of moving platform；Single pendulum head 6 is located at moving platform
Upper and pivot center is perpendicular to above-mentioned two revolute pairs R being connected with moving platform8And R9Axis, main shaft 7 is solid
It is scheduled on single pendulum head and pivot center is perpendicular to the pivot center of single pendulum head.
Claims (4)
1. four branch's swallow shape five-axis machining apparatus, it include main shaft, single pendulum head, moving platform, four straight
Line drives branch and frame, it is characterised in that: it also includes first rotating bezel, two the second rotating bezels；
Described first rotating bezel is connected with frame by revolute pair, and revolute pair axis is positioned at symmetrical of frame,
Article two, the first linear drives is branching through the first rotating bezel, their middle part slide block and one end respectively with first turn
Dynamic frame and moving platform are connected by revolute pair, and four revolute pair axis extend parallel to one another and perpendicularly relative to the first rotating bezel
Pivot center；Said two the second rotating bezel is positioned at symmetrical both sides of frame by revolute pair and frame phase
Even, two the second linear drives are branching through respective second rotating bezel, and each middle part slide block and second turn
Dynamic frame is connected by revolute pair, and one end is connected by ball pivot with moving platform, ball pivot be centrally located at two first straight
Line branch is connected the left and right sides of revolute pair with moving platform, and single pendulum head is located on moving platform and pivot center is vertical
In above-mentioned two the revolute pair axis being connected with moving platform, main shaft is fixed on single pendulum head.
A kind of four branch's swallow shape five-axis machining apparatus the most according to claim 1, it is characterised in that: institute
Stating frame to be made up of frame before door font and the arch after-frame being connected as a single entity with it thereafter, described first rotating bezel sets
In the frame of frame arch after-frame, this first rotating bezel pivot center is positioned at frame arch frame and and workbench
Plane included angle is 45 ° to 90 °, and said two the second rotating bezel rotates and is positioned at frame arch arch both sides.
A kind of four branch's swallow shape five-axis machining apparatus the most according to claim 1, it is characterised in that: institute
State the first rotating bezel pivot center to be positioned at symmetrical of upper rack and be 0 ° with table plane angle
To 45 °, said two the second rotating bezel rotates and is positioned at frame lower both sides.
A kind of four branch's swallow shape five-axis machining apparatus the most according to claim 1, it is characterised in that: institute
Stating single pendulum head to be located on moving platform, axis of oscillation is vertical with moving platform two revolute pair axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620111419.9U CN205520668U (en) | 2016-02-04 | 2016-02-04 | A quartering swallow shape five -axis machining equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620111419.9U CN205520668U (en) | 2016-02-04 | 2016-02-04 | A quartering swallow shape five -axis machining equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205520668U true CN205520668U (en) | 2016-08-31 |
Family
ID=56775701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620111419.9U Withdrawn - After Issue CN205520668U (en) | 2016-02-04 | 2016-02-04 | A quartering swallow shape five -axis machining equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205520668U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105563205A (en) * | 2016-02-04 | 2016-05-11 | 燕山大学 | Four-branch swallow-shaped five-axis machining equipment |
-
2016
- 2016-02-04 CN CN201620111419.9U patent/CN205520668U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105563205A (en) * | 2016-02-04 | 2016-05-11 | 燕山大学 | Four-branch swallow-shaped five-axis machining equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160831 Effective date of abandoning: 20180123 |