A kind of microballoon clamping and localization method
Technical field
The present invention relates to microballoon processing technique field, more particularly to a kind of microballoon clamping and localization method.
Background technology
Microballoon (diameter 0.5mm~1mm) when being processed by the method for material removal, is needed since diameter is very small
Clamping could realize that the processing of entire spherical surface, clamping become the bottleneck of microballoon processing with orientation problem twice, be badly in need of solution.
Invention content
The present invention provides a kind of microballoon clamping and localization method to solve technical problem present in known technology, is used for
Microballoon process carries out clamping and positioning to microballoon.
The present invention is adopted the technical scheme that solve technical problem present in known technology:A kind of microballoon clamping with
Localization method carries out clamping and positioning using flexibility dispersion micro Ball Set and Positioning system to microballoon;The flexible dispersion declines
Ball Set and Positioning system includes that clamping and conversion system, transposition are loaded workbench and vision detection system, the vision-based detection system
System includes CCD camera, light source and computer equipped with micro magnifier head, and the light source provides illumination for the CCD camera, institute
Image of the CCD camera for shooting microballoon is stated, and the picture signal is transferred to the computer, the Computer display microballoon
Image and extract the center location information of microballoon;The transposition workbench that is loaded includes opposite left side mobile platform and right side
Fixed platform, the right side fixed platform is identical as the cellular construction that is loaded of microballoon machining tool, in the right side fixed platform
Right side be equipped with vertical positioning datum end face, in the right side fixed platform be equipped with it is vertical with the positioning datum end face
V-groove;The left side mobile platform is fixed on fine motion translation stage, and V-groove, the right side are equipped on the left side mobile platform
V-groove in the fixed platform of side is identical as the V-groove cross-sectional shape on the left side mobile platform and coaxial opposite;Institute
It states and right side quick-speed jigs is installed in the fixed platform of right side, left side quick-speed jigs, institute are installed on the left side mobile platform
It is identical with the left side quick-speed jigs structure to state right side quick-speed jigs, includes firm banking, compress cantilever, connecting rod and " 7 " word
Shape handle is hinged with the compression cantilever, the middle part for compressing cantilever and the handle in the upper back of the firm banking
Middle part connected by the connecting rod, the middle part of one end of the connecting rod and the handle is hinged, the other end of the connecting rod with
The middle part for compressing cantilever is hinged, and the lower end of the handle and the front lower portion of the firm banking are hinged, outstanding in the compression
The cantilever end of arm be equipped with perpendicular knob, the lower end of the knob be equipped with perpendicular pressing plate, the pressing plate with
It is clamped with spring between the compression cantilever;The clamping and conversion system include vacuum-pumping system and the identical left folder of structure
Holder and right clamper, the clamper of the left and right two are equipped with microballoon absorption bar, and the microballoon absorption bar uses column structure,
The microballoon absorption bar is equipped with the centre bore as negative pressure cavity, and the head end that bar is adsorbed in the microballoon is equipped with adsorption orifice, the suction
Attached mouth is overlapped with the centre bore axis;The pumping being connect with the centre bore is equipped on the side wall that the microballoon adsorbs bar
Hole;The microballoon adsorb bar tail end be equipped with sliding screw core, the sliding screw core by differential thread cover with it is described micro-
Ball adsorbs bar connection, and two parts screw thread that rotation direction is identical and lead of screw thread is different, the difference are equipped in differential thread set
A part of screw thread of dynamic thread bush is connect with microballoon absorption bar, another part screw thread of the differential thread set and the cunning
Dynamic screw rod core connection is connected between the sliding screw core and microballoon absorption bar by flat key;The vacuum-pumping system
Including left solenoid valve and right solenoid valve, the left solenoid valve is connect with the aspirating hole of the left clamper, the right solenoid valve with
The aspirating hole of the right clamper connects, and the left solenoid valve is connected with the right solenoid valve by vacuum hose, described true
Pressure gauge, throttle valve and minipump are connected on empty hose;This method uses following steps:
One) the lateral position reference line at microballoon center is calibrated using the vision detection system;Two) start described miniature
Vacuum pump opens the right solenoid valve, and microballoon to be processed is adsorbed using the right clamper;Three) by the micro- of the right clamper
Ball absorption bar is placed in the V-groove of the right side fixed platform, and the end of the sliding screw core of the right clamper is made to lean against
On the positioning datum end face;Four) handle for pushing the right side quick-speed jigs keeps the pressing plate of the right side quick-speed jigs horizontal
It is slightly compressed on the microballoon absorption bar of the right clamper;Five) the differential thread set for rotating the right clamper is keeping the right side
In the case that the end of the sliding screw core of clamper is contacted with the positioning datum end face always, microballoon center is adjusted
To the lateral position reference line;Six) handle that the right side quick-speed jigs are pulled on unclamps the right side quick-speed jigs, by institute
It states right clamper to take out, is fixed on being loaded in unit for microballoon machining tool, wait for that hemisphere face of the microballoon protrusion outside adsorption orifice adds
After the completion of work, the right clamper is taken out out of microballoon machining tool the unit that is loaded;Seven) by the absorption of the right clamper
Bar is placed in the V-groove of the left side mobile platform, pushes the handle of the left side quick-speed jigs, the left side is made quickly to press from both sides
The pressing plate level of tool is slightly compressed on the microballoon absorption bar of the right clamper, and the knob of the left side quick-speed jigs is rotated to pressure
Tight gear makes the pressing plate level of the left side quick-speed jigs be pressed on the microballoon absorption bar of the right clamper;It eight) will be described
The microballoon absorption bar of left clamper is placed in the V-groove of the right side fixed platform, makes the sliding screw of the left clamper
The end of core leans against on the positioning datum end face;Nine) handle for pushing the right side quick-speed jigs, makes the right side quickly press from both sides
The pressing plate level of tool is slightly compressed on the microballoon absorption bar of the left clamper, and the knob of the right side quick-speed jigs is rotated to pressure
Tight gear makes the pressing plate level of the right side quick-speed jigs be pressed on the microballoon absorption bar of the left clamper;Ten) institute is adjusted
Fine motion translation stage is stated, adsorption orifice of the microballoon being adsorbed on the right clamper along axis close to the left clamper is made;10 one)
The image for observing the Computer display opens the left solenoid valve after microballoon enters the adsorption orifice of the left clamper, closes
The right solenoid valve is closed, microballoon is adsorbed to from the right clamper on the left clamper, completes the transposition that is loaded;10 two)
The fine motion translation stage is adjusted, makes to withdraw setting position to thereafter;Three) 10 rotate the differential thread set of the left clamper, protecting
Hold the sliding screw core of the left clamper end contacted always with the positioning datum end face in the case of, by microballoon center
Position is adjusted to the lateral position reference line;10 four) on pull the handles of the right side quick-speed jigs, it is quick to unclamp the right side
The left clamper is taken out, is fixed on being loaded in unit for microballoon machining tool by fixture, after the completion of waiting for microballoon overall processing,
The left clamper is taken out out of microballoon machining tool the unit that is loaded;Five) 10 close the left solenoid valve, microballoon is discharged into
The processing of microballoon is completed in designated position.
The adsorption orifice uses horn-type structure.
The invention has the advantages and positive effects that:
1) using the adsorption orifice coaxial with absorption bar, microballoon (0.5~1mm of diameter) is carried out in the way of vacuum suction
Absorption is fixed, and can be ensured that the centre of sphere of microballoon is on the axis of absorption bar, be ensure that the axially position precision of microballoon;
2) it is loaded the identical right side fixed platform of cellular construction using with microballoon machining tool, in conjunction with using vision-based detection system
The microballoon central cross position reference line that system calibrates, adjustment determine the position for being adsorbed on the microballoon on right clamper, Neng Goubao
After card microballoon is loaded, microballoon center has degree of precision, and can ensure that microballoon is transferred to from Set and Positioning system and add
The positional precision can be kept after in work machine tool system.
3) the identical left clamper of structure and right clamper, the agent structure use pair of left clamper and right clamper are taken
Couple can ensure the two cylindricity having the same and higher concentricity, realize that microballoon is solid by way of vacuum suction
Fixed and transposition, ensure that the precision that is loaded and replaces.
4) use V-groove and quick-speed jigs that can realize that 5 point locations, position deviation can be less than 5 μm.
5) microballoon (0.5~1mm of diameter) is fixed by the way of vacuum suction, can be discharged as needed,
It is easy to implement automation, transposition can be fast implemented and gripped.
6) screw thread differential differential tuning structure is used, can ensure that the center of different-diameter microballoon is constant, adjustable range ±
1mm adjusts resolution ratio and is less than 2 μm.
In conclusion the present invention carries out clamping and positioning, energy using flexible dispersion micro Ball Set and Positioning system to microballoon
It enough conveniently realizes being loaded for inter process to change the outfit, and can ensure precision, it is easy to operate, it is efficient.
Description of the drawings
Fig. 1 is the flexible structural schematic diagram for disperseing micro Ball clamping and positioning system of the present invention;
Fig. 2 is that right holder structure of the present invention cuts open figure;
Fig. 3 is the structural schematic diagram of left side mobile platform of the present invention;
Fig. 4 is the structural schematic diagram of right side fixed platform of the present invention;
Fig. 5-1 is one of the structural schematic diagram of right side quick-speed jigs of the present invention;
Fig. 5-2 is the second structural representation of right side quick-speed jigs of the present invention.
In figure:1-1, left clamper;1-2, right clamper;1-3, left solenoid valve;1-4, right solenoid valve;1-5, vacuum are soft
Pipe;1-6, pressure gauge;1-7, throttle valve;1-8, minipump;1-9, microballoon adsorb bar;1-10, centre bore;1-11, absorption
Mouthful;1-12, aspirating hole;1-13, sliding screw core;1-14, differential thread set;1-15, flat key;1-16, microballoon;2-1, left side are moved
Moving platform;2-2, right side fixed platform;2-3, positioning datum end face;2-4, V-groove;2-5, V-groove;2-6, left side quickly press from both sides
Tool;2-7, right side quick-speed jigs;2-8, fine motion translation stage;2-9, firm banking;2-10, cantilever is compressed;2-11, connecting rod;2-12、
Handle;2-13, knob;2-14, pressing plate;2-15, spring;3-1, CCD camera;3-2, light source.
Specific implementation mode
In order to further understand the content, features and effects of the present invention, the following examples are hereby given, and coordinate attached drawing
Detailed description are as follows:
Please refer to attached drawing, a kind of microballoon clamping and localization method, using flexibility dispersion micro Ball Set and Positioning system to micro-
Ball carries out clamping and positioning, work that the flexible dispersion micro Ball Set and Positioning system includes clamping and conversion system, transposition are loaded
Make platform and vision detection system.
The vision detection system includes CCD camera 3-1, light source 3-2 and the computer for being equipped with micro magnifier head, described
Light source 3-2 provides illumination for the CCD camera 3-1, and the CCD camera 3-1 is used to shoot the image of microballoon, and the image is believed
Number it is transferred to the computer, the image of the Computer display microballoon and the center location information for extracting microballoon.It is sensed with CCD
CCD camera of the device as core component disclosure satisfy that the needs that micron order high accuracy positioning is carried out to microballoon, disclosure satisfy that figure
As the high requirement of resolution ratio and picture signal signal-to-noise characteristic.Micro magnifier head can ensure vision detection system to shooting
The optical amplifier function of image.Light source 3-2 can ensure to generate source of parallel light.
The transposition workbench that is loaded includes opposite left side mobile platform 2-1 and right side fixed platform 2-2, the right side
Fixed platform 2-2 is identical as the cellular construction that is loaded of microballoon machining tool, is equipped on the right side of the right side fixed platform 2-2 perpendicular
Straight positioning datum end face 2-3 is equipped with the V-type vertical with the positioning datum end face 2-3 on the right side fixed platform 2-2
Slot 2-4;The left side mobile platform 2-1 is fixed on fine motion translation stage 2-8, and V-type is equipped on the left side mobile platform 2-1
The cross sections V-groove 2-5 on the V-groove 2-4 and left side mobile platform 2-1 on slot 2-5, the right side fixed platform 2-2
Shape is identical and coaxial opposite.
Right side quick-speed jigs 2-7 is installed on the right side fixed platform 2-2, on the left side mobile platform 2-8
It is identical with the left side quick-speed jigs 2-6 structures that left side quick-speed jigs 2-6, the right side quick-speed jigs 2-7 are installed, include
Firm banking 2-9, cantilever 2-10, connecting rod 2-11 and " 7 " font handle 2-12 are compressed, in the upper back of the firm banking 2-9
It is hinged with the compression cantilever 2-10, the middle part for compressing cantilever 2-10 and the middle part of the handle 2-12 pass through the connecting rod
2-11 connections, one end of the connecting rod 2-11 and the middle part of the handle 2-12 are hinged, the other end of the connecting rod 2-11 and institute
The middle part for stating compression cantilever 2-10 is hinged, and the lower end of the handle 2-12 and the front lower portion of the firm banking 2-9 are hinged, in institute
The cantilever end for compressing cantilever 2-10 is stated equipped with perpendicular knob 2-13, is equipped in the lower end of the knob 2-13 perpendicular
Pressing plate 2-14, be clamped with spring 2-15 between the pressing plate 2-14 and the compression cantilever 2-10.Right side V-groove 2-4 and
Left side V-groove 2-5, can adsorb the microballoon of the left clamper 1-1 formed by mating plate on bar and the microballoon of right clamper 1-2 adsorbs
The cylindrical surface of bar carries out 5 point locations, ensures the concentricity of left clamper 1-1 and right clamper 1-2.
The clamping and conversion system include vacuum-pumping system and structure identical left clamper 1-1 and right clamper 1-
2, the clamper of the left and right two is equipped with microballoon absorption bar 1-9, and the microballoon absorption bar 1-9 uses column structure, described micro-
Ball adsorbs bar 1-9 equipped with the centre bore 1-10 as negative pressure cavity, and adsorption orifice 1- is equipped in the head end of microballoon absorption bar 1-9
11, the adsorption orifice 1-11 is overlapped with the centre bore 1-10 axis;It is equipped with and institute on the side wall of microballoon absorption bar 1-9
State the aspirating hole 1-12 of centre bore 1-10 connections;It is equipped with sliding screw core 1-13 in the tail end of microballoon absorption bar 1-9, it is described
Sliding screw core 1-13 covers 1-14 by differential thread and is connect with microballoon absorption bar 1-9, covers 1-14 in the differential thread
It is interior to be equipped with rotation direction is identical and lead of screw thread is different two parts screw thread, a part of screw thread of the differential thread set 1-14 with it is described
Microballoon adsorbs bar 1-9 connections, and another part screw thread of the differential thread set 1-14 is connect with the sliding screw core 1-13, institute
It states and is connected by flat key 1-15 between sliding screw core 1-13 and microballoon absorption bar 1-9.
The vacuum-pumping system includes left solenoid valve 1-3 and right solenoid valve 1-4, the left solenoid valve 1-3 and the left side
The aspirating hole of clamper 1-1 connects, and the right solenoid valve 1-4 is connect with the aspirating hole of the right clamper 1-2, the left electromagnetism
Valve 1-1 is connected with the right solenoid valve 1-2 by vacuum hose 1-5, be connected on the vacuum hose 1-5 pressure gauge 1-6,
Throttle valve 1-7 and minipump 1-8.After vacuum-pumping system starts, minipump 1-8 is in normally opened working condition, root
According to the reading of pressure vacuum gauge 1-6, negative pressure is adjusted to setting state by adjusting control throttle valve 1-7, and pneumatic circuit is made to generate volume
Determine negative pressure.
This method uses following steps:
One) the lateral position reference line at microballoon center is calibrated using the vision detection system.
Two) start the minipump 1-8, open the right solenoid valve 1-4, adsorbed using the right clamper 1-2
Microballoon 1-16 to be processed.
Three) microballoon of right clamper 1-2 absorption bar is placed in the V-groove of the right side fixed platform 2-2, is made
The end of the sliding screw core 1-13 of the right clamper 1-2 leans against on the positioning datum end face 2-3.
Four) the handle 2-12 for pushing the right side quick-speed jigs 2-7, makes the pressing plate 2-14 of the right side quick-speed jigs 2-7
Level is slightly compressed on the microballoon absorption bar of the right clamper 1-2, ensures that the right clamper 1-2 under the effect of external force can
It moves left and right, similarly hereinafter, repeats no more.
Five) differential thread for rotating the right clamper 1-2 covers 1-14, in the sliding spiral shell for keeping the right clamper 1-2
In the case that the end of bar core 1-13 is contacted with the positioning datum end face 2-3 always, the position at microballoon center is adjusted to institute
State lateral position reference line.
Six) the handle 2-12 that the right side quick-speed jigs 2-7 is pulled on, unclamps the right side quick-speed jigs 2-17, will be described
Right clamper 1-2 takes out, and is fixed on being loaded in unit for microballoon machining tool, waits for that microballoon 1-16 protrudes the hemisphere outside adsorption orifice
After processing is completed, the right clamper 1-2 is taken out out of microballoon machining tool the unit that is loaded in face;
Seven) the absorption bar of the right clamper 1-2 is placed in the V-groove 2-5 of the left side mobile platform 2-1, under
The handle 2-12 for pressing the left side quick-speed jigs 2-6 makes the pressing plate 2-14 levels of the left side quick-speed jigs 2-6 be slightly compressed to described
On the microballoon absorption bar 1-9 of right clamper 1-2, the knob 2-13 of the left side quick-speed jigs 2-6 is rotated to gear is compressed, is made
The pressing plate 2-14 levels of the left side quick-speed jigs 2-6 are pressed on the microballoon absorption bar 1-9 of the right clamper 1-2.
Eight) microballoon of left clamper 1-1 absorption bar 1-9 is placed on to the V-groove 2- of the right side fixed platform 2-2
In 4, the end of the sliding screw core 1-13 of the left clamper 1-1 is made to lean against on the positioning datum end face 2-3.
Nine) the handle 2-12 for pushing the right side quick-speed jigs 2-7, makes the pressing plate 2-14 of the right side quick-speed jigs 2-7
Level is slightly compressed on the microballoon absorption bar 1-9 of the left clamper 1-1, and the right side quick-speed jigs 2-7 knobs 2-13 is rotated
To gear is compressed, the pressing plate 2-14 levels of the right side quick-speed jigs 2-7 is made to be pressed on the microballoon absorption of the left clamper 1-1
On bar 1-9.
Ten) the fine motion translation stage 2-8 is adjusted, the microballoon 2-16 being adsorbed on the right clamper 1-2 is made to be leaned on along axis
The adsorption orifice 1-11 of the nearly left clamper 1-1.
One) 10 observe the image of the Computer display, when microballoon 2-16 enters the adsorption orifice 1- of the left clamper 1-1
After 11, the left solenoid valve 1-3 is opened, closes the right solenoid valve 1-2, microballoon 2-16 is inhaled from the right clamper 1-2
It is attached on the left clamper 1-1, and can ensure the machined surface of adsorption microspheres, exposed green surface completes the 180 of microballoon
Degree transposition is loaded.
Two) 10 adjust the fine motion translation stage 2-8, make to withdraw setting position to thereafter.
10 differential threads for three) rotating the left clamper 1-1 cover 1-14, in the sliding for keeping the left clamper 1-1
In the case that the end of screw rod core 1-13 is contacted with the positioning datum end face 2-3 always, microballoon center is adjusted to institute
State lateral position reference line.
10 four) on pull the handle 2-12 of the right side quick-speed jigs 2-7, unclamp the right side quick-speed jigs 2-7, will be described
Left clamper 1-1 takes out, and is fixed on being loaded in unit for microballoon machining tool, after the completion of waiting for microballoon 1-16 overall processings, from micro-
The left clamper 1-1 is taken out in the unit that is loaded of ball machining tool.
Five) 10 close the left solenoid valve 1-3, microballoon 1-16 is discharged into designated position, completes the processing of microballoon 1-16.
In the present embodiment, the adsorption orifice 1-11 uses horn-type structure, in order to the microballoon of suitable for multiple sizes.