Utility model content
The purpose of this utility model is to provide a kind of Three Degree Of Freedom pivot platform, it is intended to solve existing artificial to light
The low complex operation of instrument precision that electronic device is accurately directed at, efficiency is low, the fatigable problem of personnel.
This utility model is achieved in that a kind of Three Degree Of Freedom pivot platform, and this Three Degree Of Freedom pivot is put down
Platform includes: has the centre of location and for opto-electronic device is held on the fixture of this centre of location, is used for driving described fixture
The Y-axis rotary positioning mechanism rotated with the described centre of location as initial point and around Y-axis, is used for driving described Y-axis rotary positioning mechanism
With described fixture with the described centre of location as initial point and the Z axis rotary positioning mechanism that turns about the Z axis, and it is used for driving described Z
Axle rotary positioning mechanism, described Y-axis rotary positioning mechanism and described fixture, with the described centre of location as initial point and turn about the X axis
X-axis rotary positioning mechanism;Described fixture is connected with described Y-axis rotary positioning mechanism, and described Y-axis rotary positioning mechanism is with described
Z axis rotary positioning mechanism is connected, and described Z axis rotary positioning mechanism is connected with described X-axis rotary positioning mechanism.
Further, described X-axis rotary positioning mechanism includes a support plate, the rotating disk being installed on described support plate and driving
The X-axis drive mechanism that described rotating disk rotates, described Z axis rotary positioning mechanism is connected with described rotating disk.
Further, described X-axis drive mechanism includes swing arm that one end is connected with described rotating disk, promotes described swing arm
The other end swings the pushing block to drive described rotating disk to rotate and the linear drives assembly driving the rectilinear movement of described pushing block.
Further, described pushing block is provided with promotes the bearing of described swing arm.
Further, described linear drives assembly includes the screw mandrel driving described pushing block to move, pushes away described in guiding
The guide rail that motion block slides, the fixing seat supporting described screw mandrel and the X-axis driving described screw mandrel to rotate drive motor, and described guide rail is put down
Row is in described screw mandrel, and described pushing block is slidably mounted on described guide rail.
Further, described linear drives assembly also includes that the axle sleeve being placed on described screw mandrel, one end of described axle sleeve set
Connection seat, described connection seat is had to be fixedly linked with described pushing block.
Further, described linear drives assembly also includes that connecting described screw mandrel drives the transmission of motor to tie with described X-axis
Structure.
Further, described Z axis rotary positioning mechanism includes the first eccentric swing platform and drives described first eccentric swing
The Z axis that platform moves drives motor, and described first eccentric swing platform is connected with described X-axis rotary positioning mechanism.
Further, described Y-axis rotary positioning mechanism includes the second eccentric swing platform and drives described second eccentric swing
The Y-axis that platform moves drives motor, and described second eccentric swing platform is connected with described Z axis rotary positioning mechanism.
Further, also including supporting seat, described X-axis rotary positioning mechanism is installed on described support seat.
This utility model has the fixture of the centre of location by use, in order to when clamping opto-electronic device so that it is be in
The centre of location of fixture, conveniently positions opto-electronic device;Arrange Y-axis rotary positioning mechanism, X-axis rotary positioning mechanism and
Z axis rotary positioning mechanism, drives fixture with its centre of location as initial point, and on three dimensions, tri-axles of orthogonal XYZ turn
Dynamic, so that opto-electronic device is carried out accurate Space adjustment, it is achieved the accurate alignment to opto-electronic device, liberate manpower, improve
Efficiency.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing and enforcement
Example, is further elaborated to this utility model.Should be appreciated that specific embodiment described herein is only in order to explain
This utility model, is not used to limit this utility model.
Describing for convenience, on definition space, orthogonal three coordinate axess are respectively X-axis, Y-axis and Z axis, wherein X-axis
Being orthogonal two coordinate axess of same level with Y-axis, Z axis is the coordinate axes of vertical direction;X-axis, Y-axis and Z axis are positioned at
Space has been mutually perpendicular to three planes and has been respectively XY face, YZ face and XZ face, and wherein, XY face is horizontal plane, and XZ face and YZ face are
Vertical plane, and XZ face is vertical with YZ face.
Refer to Fig. 1-Fig. 4, a kind of Three Degree Of Freedom pivot platform 100 that this utility model embodiment provides.In order to
Convenient description, also illustrates that XYZ axle in the perspective view of the Three Degree Of Freedom pivot platform 100 of Fig. 1.
This Three Degree Of Freedom pivot platform 100 includes fixture 10, Y-axis rotary positioning mechanism 20, Z axis rotary positioning mechanism
30 and X-axis rotary positioning mechanism 40;Fixture 10 is connected with Y-axis rotary positioning mechanism 20, and Y-axis rotary positioning mechanism 20 revolves with Z axis
Rotating positioning mechanism 30 is connected, and Z axis rotary positioning mechanism 30 is connected with X-axis rotary positioning mechanism 40.Fixture 10 has the centre of location
O, when fixture 10 clamps opto-electronic device 90, be opto-electronic device 90 to be clamped in centre of location O of fixture 10, with convenient
Opto-electronic device 90 is positioned, conveniently determines its position.Y-axis rotary positioning mechanism 20 is used for driving fixture to 10 with in location
Heart O is initial point and rotates around Y-axis, then, when clamping opto-electronic device 90 on fixture 10, Y-axis rotary positioning mechanism 20 is driving folder
During tool 10 rotation, the position of its centre of location O will not be changed, also will not change the center of opto-electronic device 90, only about Y-axis
Rotate.Z axis rotary positioning mechanism 30 be used for driving Y-axis rotary positioning mechanism 20 and fixture 10 with centre of location O as initial point and around
Z axis rotates.Y-axis rotary positioning mechanism 20 is connected with Z axis rotary positioning mechanism 30, and Z axis rotary positioning mechanism 30 drives Y-axis to rotate
Detent mechanism 20 swings, and then drives fixture 10 to swing, and the axis swung is the Z axis with centre of location O as initial point, then fixture
When clamping opto-electronic device 90 on 10, Z axis rotary positioning mechanism 30 rotates with fixture 10 at driving Y-axis rotary positioning mechanism 20
Time, the position of above-mentioned centre of location O will not be changed, also will not change the center of opto-electronic device 90, only turn about the Z axis.X
Axle rotary positioning mechanism 40 is used for driving Z axis rotary positioning mechanism 30, Y-axis rotary positioning mechanism 20 and fixture 10, with in location
Heart O is initial point and turns about the X axis.Owing to Z axis rotary positioning mechanism 30 is connected with X-axis rotary positioning mechanism 40, X-axis rotates fixed
Position mechanism 40 drives Z axis rotary positioning mechanism 30 to swing, then Y-axis rotary positioning mechanism 20 can be driven to put with fixture 10 simultaneously
Dynamic, and the axis swung is the X-axis with centre of location O as initial point, then when clamping opto-electronic device 90 on fixture 10, X-axis rotates
Detent mechanism 40 when driving Z axis rotary positioning mechanism 30, Y-axis rotary positioning mechanism 20 to rotate with fixture 10, will not change on
State the position of centre of location O, also will not change the center of opto-electronic device 90, only turn about the X axis.Thus revolved by Y-axis
Rotating positioning mechanism 20, Z axis rotary positioning mechanism 30 and X-axis rotary positioning mechanism 40 can not change opto-electronic device 90 center
In the case of position, spatially carry out opto-electronic device 90 rotating regulation, in order to it is the most right to carry out opto-electronic device 90
Accurate.
Be there is the fixture 10 of centre of location O by use, in order to when clamping opto-electronic device 90 so that it is be in fixture 10
Centre of location O, convenient opto-electronic device 90 is positioned;Y-axis rotary positioning mechanism 20, X-axis rotary positioning mechanism are set
40 and Z axis rotary positioning mechanism 30, drive fixture 10 with its centre of location O as initial point, orthogonal XYZ on three dimensions
Three axles rotate, so that opto-electronic device 90 is carried out accurate Space adjustment, it is achieved the accurate alignment to opto-electronic device 90, solve
Put manpower, improve efficiency.
Further, fixture 10 can be Pneumatic clamping jaw, to realize clamping opto-electronic device 90 automatically, and convenient control clamping
Dynamics, protects opto-electronic device 90, it is ensured that clamping is stable.It addition, use Pneumatic clamping jaw, it can be made when clamping, it is ensured that its
Centre of location O invariant position.
Further, X-axis rotary positioning mechanism 40 includes a support plate 41, rotating disk 42 and X-axis drive mechanism 50, and rotating disk 42 is pacified
Being contained on a support plate 41, can rotate on a support plate 41, X-axis drive mechanism 50 drives rotating disk 42 to rotate, and Z axis rotates localization machine
Structure 30 is connected with rotating disk 42.X-axis drive mechanism 50 drives rotating disk 42 to rotate, and then drives the rotation of Y-axis rotary positioning mechanism 20, Z axis
Rotating positioning mechanism 30 and fixture 10, with centre of location O of fixture 10 as initial point, turn about the X axis.Use rotating disk 42, can be more stable
Support Z axis rotary positioning mechanism 30, and it is also ensured that rotate time the most steady.A support plate 41 is set, to facilitate installation
Fixing.
Further, rotating disk 42 in the form of a ring, to facilitate location and to install, alleviates weight simultaneously.Further, support plate 41 is propped up
The most in the form of a ring, to facilitate location and to install rotating disk 42.
Further, X-axis drive mechanism 50 includes swing arm 51, pushing block 52 and linear drives assembly 60, swing arm 51
One end be connected with rotating disk 42, and linear drives assembly 60 drives pushing block 52 to move linearly, and makes pushing block 52 promote swing arm
51 other ends swing, and then drive rotating disk 42 to rotate.Use linear drives assembly 60, can conveniently control pushing position, and make
With swing arm 51, the other end of swing arm 51 moves bigger position, it is also possible to only drive rotating disk 42 to rotate less angle, with
Just the precision of regulation is improved.In further embodiments, it is possible to use motor etc. directly drive rotating disk 42 to rotate.
Further, pushing block 52 is provided with the bearing 53 of promotion swing arm 51.Bearing 53 is used to promote swing arm 51,
Can reduce the friction to swing arm 51, reduce vibration, to improve the precision of regulation, with time be also convenient for controlling, improve flexibility ratio.
Further, bearing 53 can be precision bearing, reduces vibration with further, improves and promotes swing arm 51 to swing
Precision.Precision bearing is divided into according to the grade scale of ISO: P0, P6, P5, P4, P2. grade increases successively, and wherein P0 is common essence
Degree, other grades are all accurate ranks.
Further, bearing 53 is arranged on the side of swing arm 51, to facilitate installation.X-axis drive mechanism 50 also includes
Connect the spring (not shown) that swing arm 51 is connected with bearing 53 internal ring, pull swing arm 51 and bearing 53 by spring,
The side of swing arm 51 is made to be affixed with the outer shroud of bearing 53.
Further, linear drives assembly 60 includes that screw mandrel 61, guide rail 63, fixing seat 62 and X-axis drive motor 64, guide rail
63 are parallel to screw mandrel 61, and pushing block 52 is slidably mounted on guide rail 63, and screw mandrel 61 is arranged on fixing seat 62, by fixing seat 62
Supporting screw mandrel 61, guide rail 63 is used for guiding pushing block 52 to slide, and X-axis drives motor 64 to drive screw mandrel 61 to rotate, and driving pushes away
Motion block 52 moves along guide rail 63, directly mobile to realize.Use screw mandrel 61 to rotate, can accurately control the mobile position of pushing block 52
Put, improve degree of regulation.Use guide rail 63 can preferably guide pushing block 52 to move linearly, reduce vibration, it is also possible to more steady
Fixed support pushing block 52, improves degree of regulation.Further, X-axis drives motor 64 can be motor or servomotor,
Rotate with preferably control screw mandrel 61, improve degree of regulation.In other embodiments, it is possible to use gear rack straight moves
Mechanism, it is also possible to directly use cylinder isoline travel mechanism.
Further, screw mandrel 61 can be accurate lead screw, to improve positioning precision.Accurate lead screw requires dimensional accuracy axis
Diameter IT5 of neck;Positional precision is 0.001~0.005mm;Surface roughness Ra 0.16~0.63um.
Further, linear drives assembly 60 also includes that axle sleeve 65, one end of axle sleeve 65 are provided with connection seat 66, connects seat 66
Being fixedly linked with pushing block 52, axle sleeve 65 is placed on screw mandrel 61.Axle sleeve 65 is set, the effect of protection screw mandrel 61 can be played, and
Axle sleeve 65 is fixedly linked by being connected seat 66 with pushing block 52, and when screw mandrel 61 rotates, pushing block 52 that can be more stable moves.If
Put connection seat 66, in order to more stable, be fixedly linked with pushing block 52 easily.
Further, linear drives assembly 60 also includes that connection wire rod 61 drives the drive mechanism 70 of motor 64 with X-axis.If
Put drive mechanism 70, to facilitate layout X-axis to drive the position of motor 64.In the present embodiment, drive mechanism 70 is belt transmission, passes
Dynamic structure 70 includes the drivewheel 71 driving with X-axis motor 64 to be connected, the driven pulley 72 being connected with screw mandrel 61 and is connected drivewheel
71 with the belt 73 of driven pulley 72.In other embodiments, it is possible to use gears rotational structure.
Further, this Three Degree Of Freedom pivot platform 100 also includes supporting seat 80, and X-axis rotary positioning mechanism 40 is pacified
It is loaded on support seat 80.Arrange support seat 80, with facilitate installation and fixing X-axis rotary positioning mechanism 40, with facilitate by this three from
Fixing on other media by degree pivot platform 100.Specifically, in the present embodiment, a support plate 41 is arranged on support seat 80
On, fixing seat 62, X-axis drive motor 64 and guide rail 63 to be fixed on support seat 80.
Further, Z axis rotary positioning mechanism 30 includes that the first eccentric swing platform 31 and Z axis drive motor 32, and Z axis drives
Motor 32 is for driving the first eccentric swing platform 31 to move, and the first eccentric swing platform 31 is connected with X-axis rotary positioning mechanism 40.If
Put the first eccentric swing platform 31, when Z axis drives motor 32 to rotate, the first eccentric swing platform 31 can be made with the location of fixture 10
Center O be the Z axis of initial point be axis oscillating, it is achieved to the accurate regulation of the opto-electronic device 90 of clamping on fixture 10.Further
Ground, Z axis drives motor 32 can be motor or servomotor, rotates with preferably control screw mandrel 61, improves degree of regulation.
Specifically, the first eccentric swing platform 31 is connected with the rotating disk 42 of X-axis rotary positioning mechanism 40.
In like manner, Y-axis rotary positioning mechanism 20 includes that the second eccentric swing platform 21 and Y-axis drive motor 22, and Y-axis drives motor
22 for driving the second eccentric swing platform 21 to move, and the second eccentric swing platform 21 is connected with Z axis rotary positioning mechanism 30.Arrange
Two eccentric swing platforms 21, when Y-axis drives motor 22 to rotate, can make the second eccentric swing platform 21 with the centre of location of fixture 10
O be the Y-axis of initial point be axis oscillating, it is achieved to the accurate regulation of the opto-electronic device 90 of clamping on fixture 10.Further, Y
Axis drive motor 22 can be motor or servomotor, rotates with preferably control screw mandrel 61, improves degree of regulation.Specifically
Ground, the second eccentric swing platform 21 is connected with the first eccentric swing platform 31 of Z axis rotary positioning mechanism 30.
Further, this Three Degree Of Freedom pivot platform 100 also includes that connecting plate 11, fixture 10 are arranged on connecting plate
On 11, connecting plate 11 is fixed on Y-axis rotary positioning mechanism 20.Connecting plate 11 is set, fixture 10 is installed to facilitate and is fixed on Y
On axle rotary positioning mechanism 20.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all at this
Any amendment, equivalent and the improvement etc. made within the spirit of utility model and principle, should be included in this utility model
Protection domain within.