CN205148329U - Liquid drop microoperation manipulator structure - Google Patents
Liquid drop microoperation manipulator structure Download PDFInfo
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- CN205148329U CN205148329U CN201520584178.5U CN201520584178U CN205148329U CN 205148329 U CN205148329 U CN 205148329U CN 201520584178 U CN201520584178 U CN 201520584178U CN 205148329 U CN205148329 U CN 205148329U
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Abstract
The utility model provides a liquid drop microoperation manipulator structure, be in including injection component, fixed bolster subassembly, setting drive assembly on the fixed bolster subassembly, with the executive module that drive assembly and injection component are connected, the utility model discloses a control the volume of reciprocating of each tungsten filament stick, the removal order, the position of obligatory point changes the gesture of adsorbing the small part on the liquid drop based on surface tension, realizes the accurate control to small part gesture, compares with current technique, and attitude control is more stable, and is more accurate. This method reliable and simple is applicable to the harmless operation of the small object of arbitrary shape.
Description
Technical field
The utility model relates to drop microoperation technical field, particularly relate to a kind of drop microoperation robot manipulator structure.
Background technology
Along with the miniaturization of mechano-electronic product, the components and parts of electronic product also tend to miniaturized gradually, the development trend of slimming, require more and more higher to assembly precision in the assembling of micro-component, often relate to adjustment and the lossless operation of micro-component position and attitude, this proposes very high requirement to microoperation device.The domestic and international operation for micro-element and assembling, mainly contain the method based on micro clamping device instrument at present, and vacuum suction method, based on surface tension method etc.The mechanism of the TAMIO imitation chopsticks gripping objects as Japan Nagoya university in micro clamping device develops a kind of two finger micro-operation hand, achieves the pickup to object, mobile, rotation and releasing operation.Although micro clamping device tool holding Measures compare is stablized, but minute yardstick proposes very high requirement for the precision of sensor, and clipping operation can cause the stress of hold assembly to concentrate generation distortion unavoidably, on the impact that parts cause some bad, be difficult to clamp some ultra-thin parts simultaneously.Vacuum suction method is most widely used in micro assemby, sticking micro-element is carried out by the mode of negative pressure, but this method is mainly used in the simple motion occasion only need extracted with discharging, and is difficult to the pose adjustment realizing micro-element, and has strict demand to absorption surface.Vacuum suction method avoids the extruding directly clamping and bring object, but mechanically operated flexibility reduces, and can only realize the mobile operation of parts, and cannot realize the adjustment of attitude in parts three dimensions.The Richard of ImperialCollegeLondon proposes based on capillary self adaptation micromachine, and device carrys out the rotational angle at control connection position by the surface tension of liquid at micro-component connecting portion place; The KaijiSato of Tokyo Institute of Technology proposes a kind of surface tension of liquid and drives micro-element adaptive location method, discuss the influence factor of adaptive motion method and improve one's methods, these methods are all be applied in the pose adjustment of small items by surface tension, but specific attitude can only be adjusted, the surface tension characteristics that the refined team of Harbin Institute of Technology Rong Wei also utilizes drop devises a kind of manipulator applying to microoperation, by injecting liquid in microtubule, achieve the operation of pickup to small items and release at microtubule bottom absorption small items.In addition to the previous methods, micro-robot is applied and is also got more and more in micro assemby, but due to the complexity of system and the restriction of applied environment, is not also widely used at present.This research team is on the basis that forefathers study, a kind of drop microoperation manipulator of many rod type is proposed in a kind of drop microoperation manipulator and control method patent, the attitude that this patent can realize small items changes, but there are some problems, in mechanism, between triplet fishplate bar, gap is too small, and motor exists microvibration and causes the mutual disturbance of the motion between each rod, require high to the linearity of tungsten filament rod, difficulty of processing is large; In control method, the method for proposition is confined to only to realize the accurate control that gesture stability can not realize the targeted attitude to micro-element.
Utility model content
For above-mentioned technical problem, the utility model provides a kind of band drop microoperation robot manipulator structure on the one hand, this structure is by controlling the attitude of tungsten filament rod, change the attitude of the small items of absorption, thus the control of position and attitude in the small items spatial dimension realizing any shape, its technical scheme adopted is as follows:
A kind of drop microoperation robot manipulator structure, comprise injecting assembly, m, the driven unit be arranged on described m, the executive module that is connected with described driven unit and injecting assembly, described injecting assembly comprises syringe, drives the propeller of described syringe and connects the flexible pipe of syringe liquid outlet; Described m comprise there is supporting leg bottom plate, to be arranged at motor location-plate above described bottom plate by shore supports, to be connected to the thrust plate above described motor location-plate by screw bolt and nut; Described driven unit comprises the micromachine in six ladder holes being vertically distributed in described motor location-plate along circular trace equably, described six micromachine tops suppressed by thrust plate, the plate that is in transmission connection is provided with immediately below each described Miniature electric machine output shaft, each certain interval of being separated by between plate that is in transmission connection, described in be in transmission connection in plate and be all embedded with the transmission nut matched with the external screw thread on described Miniature electric machine output shaft; Described executive module comprise upper end be connected to described bottom plate central through hole leading pipe, cover be arranged at described leading pipe lower end collect sleeve, capillary microtubule, the six roots of sensation tungsten filament rod, described capillary microtubule one end connecting hose, the other end goes directly collect sleeve outlet through thrust plate, motor location-plate, bottom plate central through hole, leading pipe, described six roots of sensation tungsten filament rod upper end connection for transmission connecting plate respectively, pointed lower end stretches out certain length through behind the space leading pipe and capillary microtubule from the outlet collecting sleeve, and described tungsten filament rod is tangent with capillary microtubule; Six roots of sensation tungsten filament rod diameter is consistent, and length is 140 ~ 160mm, and diameter is 100 μm ~ 300 μm, and tungsten filament rod lower surface is pointed, and the pointed height of tungsten filament rod 11 is 0.5mm ~ 1mm; Radial offset when submissive distortion occurs described tungsten filament rod is less than 2/80 with the ratio of axial length.
Further, the central through hole position, upper surface of described bottom plate is also provided with the lubrication groove communicated with leading pipe, the lubricating oil be permeable in leading pipe is filled with in lubrication groove, with lubrication groove store lubricating oil to the motion between tungsten filament rod, there is lubrication, reduce the mutual frictional influence between six roots of sensation tungsten filament rod, improve control accuracy.
Further, lubrication groove is cylindrical, and internal diameter is 0.8 ~ 1.5cm, and the degree of depth is 0.3 ~ 0.6cm.
The utility model additionally provides a kind of attitude control method of drop microoperation robot manipulator structure, and its technical scheme is as follows:
An attitude control method for drop microoperation robot manipulator structure, comprises step:
1) drop absorption micro-element, in capillary microtubule, inject liquid by syringe and form drop at tungsten filament rod tip surface, tungsten filament rod is slowly near micro-element, when liquid comes into contact is to micro-element, micro-element is attracted to tungsten filament rod lower end and is the level of state, this step injects a certain amount of liquid by injection device toward capillary microtubule, forms fine droplet, control tungsten filament rod motion near micro-element to have adsorbed micro-element in tungsten filament rod bottom;
2) by the attitude of goal-selling pose adjustment micro-element, computer sends control signal according to the targeted attitude parameter of setting to each micromachine, the amount of moving up and down controlling each tungsten filament rod controls the most advanced and sophisticated position as obligatory point of tungsten filament rod, the attitude of micro-element will realize the self-balancing of micro-element thus the control realized for micro-element attitude immediately following tungsten filament rod attitudes vibration under the constraint of tungsten filament rod attitude, described targeted attitude is inclination β degree or rotates θ angle, this step controls the most advanced and sophisticated position as obligatory point of tungsten filament rod by the amount of moving up and down controlling each tungsten filament rod, micro-element on drop is adsorbed on because suffered surface force is much larger than body force based on Surface Tension of Liquid Drops, the attitude of micro-element will realize the self-balancing of micro-element thus the control that can realize for micro-element attitude immediately following tungsten filament rod attitudes vibration under the constraint of tungsten filament rod attitude.
Further, when described targeted attitude be inclination β spend time, described step 2) specifically comprise:
21) when micro-element is in by Level Adsorption original state, definition micro-element place plane is XOY plane, described XOY plane is with the subpoint of capillary microtubule (center) in XOY plane for initial point, and now, micro-element normal vector original state is P
0=[001], obtains around Y-axis inclination angle beta the normal vector P characterizing attitude by micro-element
1=R
1p
0, wherein R1 is transformation matrix, R1=[cos β 0sin β; 010;-sin β 0cos β], try to achieve the normal vector P of the micro-element after inclination 18
1=[x1y1z1];
22) coordinate value of the most advanced and sophisticated subpoint on XOY plane of each tungsten filament rod is asked for, choose that a tungsten filament rod from the most edge of micro-element is most advanced and sophisticated keeps motionless, according to the normal vector P by the micro-element of this point after the coordinate value keeping motionless tungsten filament rod most advanced and sophisticated and inclination β degree
1try to achieve the plane equation after inclination β degree;
23) by step 22) coordinate value of the most advanced and sophisticated subpoints on XOY plane of all the other tungsten filaments rod of trying to achieve substitutes in the plane equation after inclination β degree, draw the most advanced and sophisticated object height value after inclination β degree on XOY plane of all the other each tungsten filament rods, described micromachine controls each tungsten filament rod and moves to object height with certain speed, makes micro-element inclination β degree.
Further, when described targeted attitude is for rotating θ angle, described step 2) specifically comprise:
201) when micro-element is in by Level Adsorption original state, set up with micro-element place plane be XOY plane, the direction of the vertical described XOY plane rectangular coordinate system in space that is Z-direction, described rectangular coordinate system in space with the subpoint of capillary microtubule in XOY plane for initial point, now, micro-element normal vector original state is P
0=[001], by micro-element around Y-axis angle of inclination 10 ° obtain normal vector P
1=R
1p
0, wherein R
1for transformation matrix, R
1=[cos10 ° of 0sin10 °; 010;-sin10 ° of 0cos10 °], try to achieve the normal vector P of the micro-element after inclination
1=[x1y1z1];
202) ask for the coordinate value of the most advanced and sophisticated subpoint on XOY plane of each tungsten filament rod, choose that a tungsten filament rod from the most edge of micro-element is most advanced and sophisticated keeps motionless, according to the normal vector P of the coordinate value keeping motionless tungsten filament rod most advanced and sophisticated and the micro-element by this point
1try to achieve plane equation;
203) by step 202) the most advanced and sophisticated coordinate value in XOY plane projection of all the other tungsten filaments rod of trying to achieve substitutes in plane equation, draw the most advanced and sophisticated object height value on inclination 10 ° of back planes of all the other each tungsten filament rods, described micromachine controls each tungsten filament rod and moves to object height with certain speed, makes micro-element tilt 10 ° around Y-axis;
204) in attitude by normal vector P
1when characterizing, if dbjective state is rotate θ angle around Z axis, then at normal vector P
1basis on obtain normal vector P
2=R
2p
1, wherein R
2=[cos θ-sin θ 0; Sin θ cos θ 0; 001], according to step 202) the normal vector P of the most advanced and sophisticated coordinate value of the motionless tungsten filament rod of described maintenance and the micro-element by this
2try to achieve the plane equation of micro-element after Z axis rotates θ angle;
205) by step 202) the most advanced and sophisticated coordinate value in XOY plane projection of all the other tungsten filaments rod of trying to achieve substitutes in plane equation, show that all the other each tungsten filament rod tips are rotating the object height value on the back plane of θ angle around Z axis, described micromachine controls each tungsten filament rod and moves to object height with certain speed, and making micro-element be positioned at normal vector is P
2time locus;
206) last, position minimum tungsten filament rod keep motionless, all the other tungsten filament rods are more concordant than moving to the tungsten filament rod minimum with position simultaneously with certain speed, wherein this velocity ratio is the ratio between the height value of the excellent tungsten filament rod minimum to position of each tungsten filament, now, the attitude of micro-element is for relatively have rotated θ angle with original initial level around Z axis.
Further, step 22) described in micromachine control each tungsten filament rod when moving to object height with certain speed, each tungsten filament rod moves to object height by certain speed than simultaneously, and wherein this velocity ratio is the ratio between the height value of the excellent tungsten filament rod motionless to maintenance of each tungsten filament.
Compared with prior art, the utility model has significant advantage, specific as follows:
(1) can realize accurately controlling the attitude of ultra-thin micro-element and realizing lossless operation.
(2) utilize the submissive distortion of tungsten filament rod with and leading pipe and the use that collects sleeve substantially reduce difficulty of processing.
(3) can to realize the accurate control of the targeted attitude of micro component and control method is simple.
(4) structure is simple, easy to process, applied widely.
Accompanying drawing explanation
Fig. 1 is the self-contained schematic diagram of drop microoperation robot manipulator structure with lubrication groove of the present utility model.
Fig. 2 is that tungsten filament rod is most advanced and sophisticated based on Surface Tension of Liquid Drops absorption micro-element schematic diagram.
Fig. 3 is the drop microoperation robot manipulator structure partial schematic sectional view with lubrication groove of the present utility model.
Fig. 4 is B place enlarged diagram in Fig. 3.
Fig. 5 be in Fig. 3 A-A to cross-sectional schematic.
Fig. 6 is C place enlarged diagram in Fig. 5.
Fig. 7 is the drop microoperation robot manipulator structure control principle schematic diagram with lubrication groove.
Fig. 8 is for controlling micro-element lateral attitude process schematic.
Fig. 9 is the rectangular coordinate system in space schematic front view controlling to set up before micro-element attitude rotates.
Figure 10 is for controlling micro-element attitude rotary course schematic diagram.
Figure 11 is the rectangular coordinate system in space schematic top plan view controlling to set up before micro-element attitude rotates.
Shown in figure be: 1-propeller; 2-syringe; 3-flexible pipe; 4-bolt; 5-nut; 6-capillary microtubule; 7-thrust plate; 8-motor location-plate; 9-micromachine; 10-is in transmission connection plate; 11-tungsten filament rod; 12-pillar; 13-bottom plate; 14-leading pipe; 15-collects sleeve; 16-supporting leg; 17-drop; 18-micro-element; 19-transmission nut; 20-transmission nut leading bar; 21-motor output shaft; 22-lubrication groove.
Detailed description of the invention
Be described in further detail the purpose of this utility model below by specific embodiment, embodiment can not repeat one by one at this, but therefore this be not defined in following examples below in conjunction with accompanying drawing and the concrete embodiment implementing utility model.Unless stated otherwise, the utility model adopt material and processing method be the art conventional material and processing method.
Embodiment one
As shown in Figures 1 to 7, a kind of drop microoperation robot manipulator structure, comprise injecting assembly, m, the driven unit be arranged on described m, the executive module that is connected with described driven unit and injecting assembly, described injecting assembly comprises syringe 2, drives the propeller 1 of described syringe 2 and connects the flexible pipe 3 of syringe 2 liquid outlet, described m comprise there is supporting leg 16 bottom plate 13, to be supported by pillar 12 and be arranged at motor location-plate 8 above described bottom plate 13, be connected to the thrust plate 7 above described motor location-plate 8 by bolt 5 and nut, described driven unit comprises the micromachine 9 in six ladder holes being vertically distributed in described motor location-plate 8 along circular trace equably, described six micromachine 9 tops suppressed by thrust plate 7, the plate 10 that is in transmission connection is provided with immediately below each described micromachine 9 output shaft, each certain interval (see Fig. 5, Fig. 6) of being separated by between plate 10 that is in transmission connection, described in be in transmission connection in plate 10 and be all embedded with the transmission nut 19 matched with the external screw thread on described micromachine 9 output shaft, described executive module comprises the leading pipe 14 that upper end is connected to described bottom plate 13 central through hole, what cover was arranged at described leading pipe 14 lower end collects sleeve 15, diameter 500 μm of capillary microtubules 6, six roots of sensation tungsten filament rod, described capillary microtubule 6 one end connecting hose 3, the other end is through thrust plate 7, motor location-plate 8, bottom plate 13 central through hole, leading pipe 14 is through to be collected sleeve 15 and exports, described six roots of sensation tungsten filament rod upper end connection for transmission connecting plate 10 respectively, certain length is stretched out (see Fig. 3 through behind the space leading pipe 14 and capillary microtubule 6 from the outlet collecting sleeve 15 in pointed lower end, Fig. 4), six roots of sensation tungsten filament rod 11 diameters are consistent, and length is 140-160mm, and diameter is 300 μm, and tungsten filament rod 11 lower surfaces are pointed, and the pointed height of tungsten filament rod 11 is 0.5mm ~ 1mm, radial offset when submissive distortion occurs described tungsten filament rod is less than 2/80 with the ratio of axial length, small submissive distortion can be there is in six roots of sensation tungsten filament rod, good improvement result can be played for difficulty of processing, six motions be in transmission connection between plate can not be influenced each other.
As shown in Figure 7, drop microoperation robot manipulator structure is connected with described injecting assembly and driven unit circuit respectively by Control Component; Described Control Component comprises computer, microtitre control device, Data collecting conversion card, drive circuit, described microtitre control device is used for controlling propeller 1 action according to the control signal sent of computer, described Data collecting conversion card and drive circuit send control impuls according to the attitude parameter that computer provides and drive micromachine 9, computer is by the number of each channel pulse in adjustment LabVIEW program and the connection order of motor, just manipulator can be made to move according to designated movement strategy, realize the control to micro component 18 targeted attitude.
Specifically, in the present embodiment, the central through hole position, upper surface of described bottom plate 13 is also provided with the lubrication groove 22 communicated with leading pipe 14, the lubricating oil be permeable in leading pipe 14 is filled with in lubrication groove 22, with lubrication groove 22 store lubricating oil, to the motion between tungsten filament rod, there is lubrication, reduce the mutual frictional influence between six roots of sensation tungsten filament rod, improve control accuracy.
Specifically, in the present embodiment, lubrication groove 22 is cylindrical, and internal diameter is 0.8 ~ 1.5cm, and the degree of depth is 0.3 ~ 0.6cm.
Specifically, in the present embodiment, described Control Component also comprises micro magnifier, guarantees six tungsten filament rod 11 concordant states in pointed top place, lower surface for observing before injecting liquid toward capillary microtubule 6 with measurement.
Embodiment two
An attitude control method for drop microoperation robot manipulator structure, adopts the drop microoperation robot manipulator structure described in embodiment one, comprises step:
1) drop absorption micro-element 18, in capillary microtubule 6, inject liquid by syringe and form drop 17 at tungsten filament rod tip surface, the drop amount injected is about 10 μ l, tungsten filament rod 11 is slowly near micro-element, when liquid comes into contact is to micro-element 18, micro-element 18 is attracted to tungsten filament rod 11 lower ends and is the level of state, now, micro-element 18, a liquid bridge system (see Fig. 2) is formed between drop and tungsten filament rod, this step injects a certain amount of liquid by injection device toward capillary microtubule, fine droplet is formed in tungsten filament rod bottom, control tungsten filament rod motion near micro-element to have adsorbed micro-element,
2) by the attitude of goal-selling pose adjustment micro-element 18, computer sends control signal according to the targeted attitude parameter of setting to each micromachine, the amount of moving up and down controlling each tungsten filament rod 11 controls the position of tungsten filament rod 11 tips as obligatory point, the attitude of micro-element 18 will realize the self-balancing of micro-element 18 thus the control realized for micro-element 18 attitude immediately following tungsten filament rod 11 attitudes vibration under the constraint of tungsten filament rod attitude, and described targeted attitude be around Y-axis inclination 27.
Specifically, in the present embodiment, described step 2) specifically comprise:
21) when micro-element 18 is in by Level Adsorption original state, definition micro-element 18 place plane is XOY plane, and described XOY plane is with the subpoint of capillary microtubule 6 in XOY plane for initial point, and now, micro-element 18 normal vector original state is P
0=[001], by micro-element around Y-axis angle of inclination 27 ° obtain characterizing the normal vector P of attitude
1=R
1p
0, wherein R1 is transformation matrix, R1=[cos27 ° of 0sin27 °; 010;-sin27 ° of 0cos27 °], try to achieve the normal vector P of the micro-element after inclination 18
1=[x1y1z1];
22) coordinate value of each tungsten filament rod 11 tips subpoint on XOY plane is asked for, choose that a tungsten filament rod 11 from the most edge of micro-element 18 is most advanced and sophisticated keeps motionless, according to keeping the coordinate value at motionless tungsten filament rod 11 tips and tilting after 27 ° by the normal vector P of the micro-element 18 of this point
1try to achieve the plane equation after inclination 27 °;
23) by step 22) coordinate value of all the other tungsten filaments rod 11 tips subpoints on XOY plane of trying to achieve substitutes in the plane equation after inclination β degree, draw all the other each tungsten filament rod 11 tips object height values after inclination 27 ° on XOY plane, described micromachine 9 controls each tungsten filament rod 11 and moves to object height with certain speed, micro-element 18 is made to tilt 27 °, tilting procedure as shown in Figure 8, according to the object height value of gained, it is motionless that micromachine 9 keeps being numbered d tungsten filament rod 11, be numbered c, the tungsten filament rod 11 of e rises 0.1mm simultaneously, be numbered b, the tungsten filament rod 11 of f rises 0.31mm simultaneously, be numbered the tungsten filament rod 11 rising 0.4mm of a.Simultaneously, in order to improve attitude control accuracy, in the present embodiment, described micromachine 9 controls each tungsten filament rod 11 when moving to object height with certain speed, each tungsten filament rod 11 moves to object height by certain speed than simultaneously, and wherein this velocity ratio is each tungsten filament rod 11 to the ratio between the height value keeping motionless tungsten filament rod 11.
Embodiment three
An attitude control method for drop microoperation robot manipulator structure, comprises step:
1) drop absorption micro-element 18, in capillary microtubule 6, inject liquid by syringe and form drop 17 at tungsten filament rod tip surface, the drop amount injected is about 10 μ l, tungsten filament rod 11 is slowly near micro-element, when liquid comes into contact is to micro-element 18, micro-element 18 is attracted to tungsten filament rod 11 lower ends and is the level of state, now, micro-element 18, a liquid bridge system (see Fig. 2) is formed between drop and tungsten filament rod, this step injects a certain amount of liquid by injection device toward capillary microtubule, fine droplet is formed in tungsten filament rod bottom, control tungsten filament rod motion near micro-element to have adsorbed micro-element,
2) by the attitude of goal-selling pose adjustment micro-element 18, computer sends control signal according to the targeted attitude parameter of setting to each micromachine, the amount of moving up and down controlling each tungsten filament rod 11 controls the position of tungsten filament rod 11 tips as obligatory point, the attitude of micro-element 18 will realize the self-balancing of micro-element 18 thus the control realized for micro-element 18 attitude immediately following tungsten filament rod 11 attitudes vibration under the constraint of tungsten filament rod attitude, and described targeted attitude is for rotate 20 ° around Z axis.
Specifically, in the present embodiment, described step 2) specifically comprise:
201) as shown in Figure 10 a, when micro-element 18 is in by Level Adsorption original state, set up with micro-element 18 place plane be XOY plane, the direction of the vertical described XOY plane rectangular coordinate system in space (see Fig. 9 and Figure 11) that is Z-direction, described rectangular coordinate system in space with the subpoint of capillary microtubule 6 in XOY plane for initial point, now, micro-element 18 normal vector original state is P
0=[001], by micro-element around Y-axis angle of inclination 10 ° obtain normal vector P
1=R
1p
0, wherein R
1for transformation matrix, R
1=[cos10 ° of 0sin10 °; 010;-sin10 ° of 0cos10 °], try to achieve the normal vector P of the micro-element after inclination 18
1=[0.1736; 0; 0.9848];
202) coordinate value asking for the subpoint of each tungsten filament rod 11 tips on XOY plane being numbered a to f is respectively (0.4,0), (0.2,-0.3464), (-0.2,-0.3464), (-0.4,0), (-0.2,0.3464), (0.2,0.3464), choose that the tungsten filament rod 11 being numbered a from the most edge of micro-element 18 is most advanced and sophisticated keeps motionless, then point (0.400) can be substituted into equation 0.1736x+0y+0.9848z+D=0 and try to achieve parameter D=-0.0695, obtaining normal vector is P
1plane equation be 0.1736x+0y+0.9848z-0.0695=0;
203) by step 202) all the other tungsten filaments rod 11 tips of trying to achieve XOY plane project coordinate value substitution plane equation in, trying to achieve z=-(0.1736x+0y-0.0695)/0.9848 can be P in the hope of normal vector
1time be numbered each tungsten filament rod 11 tips of b to f height be respectively 0.0353mm, 0.1058mm, 0.1411mm, 0.1058mm, 0.0353mm, as Figure 10 b, described micromachine 9 controls each tungsten filament rod 11 and moves to object height with certain speed, makes micro-element 18 tilt 10 ° around Y-axis;
204) when attitude is characterized by normal vector P1, dbjective state for rotate 20 ° around Z axis, then obtains normal vector P2=R2P1 on the basis of normal vector P1, wherein R2=[cos20 °-sin20 ° 0; Sin20 ° of cos20 ° 0; 001], P2=[0.1632 is tried to achieve; 0.0594; 0.9848], if or retention bar a is motionless, then point (0.400) can be substituted into equation 0.1632x+0.0594y+0.9848z+D1=0 and try to achieve parameter D1=-0.0653, obtaining plane equation is 0.1632x+0.0594y+0.9848z-0.0653=0;
205) by step 202) in the coordinate value substitution plane equation that project at XOY plane of all the other tungsten filaments rod 11 tips of trying to achieve, be numbered the projection coordinate value (0.2 of tip in XOY plane of the tungsten filament rod 11 of b, c, d, e, f,-0.3464), (-0.2,-0.3464), (-0.4,0), (-0.2,0.3464), (0.2,0.3464) projection coordinate is substituted into z=-(0.1632x+0.0594y-0.0653)/0.9848 respectively, trying to achieve normal vector is P
2time be numbered each tungsten filament rod 11 tips of b to f height be respectively 0.0541mm, 0.1203mm, 0.1326mm, 0.0786mm, 0.0123mm, described micromachine 9 controls each tungsten filament rod 11 and moves to object height with certain speed, the attitude P now obtained
2relative to attitude P
1have rotated 20 ° of angles, as illustrated in figure 10 c around Z axis;
206) last, the tungsten filament rod 11 of what position was minimum be numbered a keeps motionless, all the other tungsten filament rods 11 are more concordant than moving to the tungsten filament rod 11 minimum with position simultaneously with certain speed, and wherein this velocity ratio is the height of excellent b to excellent a: excellent c is to the height of excellent a: excellent f is to the height etc. of excellent a.Namely velocity ratio is 0.0541:0.1203:0.1326:0.0786:0.0123, and now the attitude of micro-element 18 is for relatively have rotated 20 ° of angles with original initial state, as shown in fig. 10d.
Above-described embodiment of the present utility model is only for the utility model example is clearly described, and is not the restriction to embodiment of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.All do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., within the protection domain that all should be included in the utility model claim.
Claims (3)
1. a drop microoperation robot manipulator structure, it is characterized in that: comprise injecting assembly, m, the driven unit be arranged on described m, the executive module that is connected with described driven unit and injecting assembly, described injecting assembly comprises syringe (2), drives the propeller (1) of described syringe (2) and connects the flexible pipe (3) of syringe (2) liquid outlet, described m comprise there are supporting leg (16) bottom plate (13), by pillar (12) support be arranged at described bottom plate (13) top motor location-plate (8), to be connected to thrust plate (7) above described motor location-plate (8) by bolt (5) and nut, described driven unit comprises the micromachine (9) in six ladder holes being vertically distributed in described motor location-plate (8) along circular trace equably, described six micromachine (9) tops suppressed by thrust plate (7), the plate that is in transmission connection (10) is provided with immediately below each described micromachine (9) output shaft, to be separated by between each plate that is in transmission connection (10) certain interval, described in be in transmission connection in plate (10) and be all embedded with the transmission nut (19) matched with the external screw thread on described micromachine (9) output shaft, described executive module comprises the leading pipe (14) that upper end is connected to described bottom plate (13) central through hole, what cover was arranged at described leading pipe (14) lower end collects sleeve (15), capillary microtubule (6), six roots of sensation tungsten filament rod, described capillary microtubule (6) one end connecting hose (3), the other end is through thrust plate (7), motor location-plate (8), bottom plate (13) central through hole, leading pipe (14) is through collects sleeve (15) outlet, described six roots of sensation tungsten filament rod (11) upper end is connection for transmission connecting plate (10) respectively, pointed lower end stretches out certain length through behind the space leading pipe (14) and capillary microtubule (6) from the outlet collecting sleeve (15), described tungsten filament rod (11) is tangent with capillary microtubule (6), six roots of sensation tungsten filament rod (11) diameter is consistent, and length is 140 ~ 160mm, and diameter is 100 μm ~ 300 μm, and tungsten filament rod (11) lower surface is pointed, and the pointed height of tungsten filament rod (11) is 0.5mm ~ 1mm, radial offset when submissive distortion occurs described tungsten filament rod is less than 2/80 with the ratio of axial length.
2. drop microoperation robot manipulator structure according to claim 1, it is characterized in that: the central through hole position, upper surface of described bottom plate (13) is also provided with the lubrication groove (22) communicated with leading pipe (14), is filled with the lubricating oil be permeable in leading pipe (14) in lubrication groove (22).
3. drop microoperation robot manipulator structure according to claim 2, it is characterized in that: lubrication groove (22) is cylindrical, internal diameter is 0.8 ~ 1.5cm, and the degree of depth is 0.3 ~ 0.6cm.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017020525A1 (en) * | 2015-08-05 | 2017-02-09 | 华南理工大学 | A liquid-drop micro-operation manipulator structure and attitude controlling method thereof |
| CN107803312A (en) * | 2017-11-30 | 2018-03-16 | 华南理工大学 | A kind of transfer-type pL levels ultramicron automatically dropping glue structure |
-
2015
- 2015-08-05 CN CN201520584178.5U patent/CN205148329U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017020525A1 (en) * | 2015-08-05 | 2017-02-09 | 华南理工大学 | A liquid-drop micro-operation manipulator structure and attitude controlling method thereof |
| CN107803312A (en) * | 2017-11-30 | 2018-03-16 | 华南理工大学 | A kind of transfer-type pL levels ultramicron automatically dropping glue structure |
| CN107803312B (en) * | 2017-11-30 | 2023-05-23 | 华南理工大学 | Transfer type pL-level ultra-micro automatic dispensing pen structure |
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