CN208299706U - Additional mechanical supercharging type piezoelectricity stick-slip linear motor - Google Patents
Additional mechanical supercharging type piezoelectricity stick-slip linear motor Download PDFInfo
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- CN208299706U CN208299706U CN201820753448.4U CN201820753448U CN208299706U CN 208299706 U CN208299706 U CN 208299706U CN 201820753448 U CN201820753448 U CN 201820753448U CN 208299706 U CN208299706 U CN 208299706U
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Abstract
The utility model relates to a kind of additional mechanical supercharging type piezoelectricity stick-slip linear motors, belong to precision engineering technical field.Including firm banking, mobile platform, stator module and mover assembly；Firm banking and stator module are attached by screw；Firm banking and mover assembly are attached by screw；Mobile platform and mover assembly are attached by screw；Stator module is engaged with mover assembly.The friction drive between additional mechanical supercharging formula stator and moving guide rail can be increased, and reduce the frictional resistance between additional mechanical supercharging formula stator and moving guide rail, realize the regulation to frictional force in piezoelectricity stick-slip linear motor whole work process, the output characteristics that piezoelectricity stick-slip linear motor can significantly be improved reduces it and is displaced rollback rate., precision simple with structure be high and many technical advantages such as fast response time.Have wide practical use in fields such as precision engineering technologies.
Description
Technical field
The utility model relates to precision engineering technical field, in particular to a kind of additional mechanical supercharging type piezoelectricity stick-slip straight-line electric
Machine.
Background technique
Piezoelectricity stick-slip linear motor is a kind of inverse piezoelectric effect based on piezoelectric element, is swashed under the excitation of Asymmetric Electric signal
It sends out stator (or oscillator) and generates high-frequency vibration a little, coupled using the friction between stator and mover and realize the micro- of mechanical energy output
Receive accurate piezoelectricity stick-slip linear motor.According to the difference of driving principle, piezoelectricity stick-slip linear motor is broadly divided into resonance type piezoelectricity
Motor (also referred to as supersonic motor) and off-resonance type piezoelectric motor (also referred to as piezoelectricity stick-slip motor) two major classes.With resonance type piezoelectric electro
Machine is compared, and piezoelectricity stick-slip linear motor has many advantages, such as that simple and compact for structure, easy to control, positioning accuracy is high and stroke is big, quilt
It is widely used in the micro-nanos such as semiconductor machining, precision optical instrument precision actuation and field of locating technology.
Saw tooth excitation electric signal is mainly applied to piezoelectric element by the driving of piezoelectricity stick-slip, and excitation stator generates speed alternating
Motion deformation, control stator and mover and mutually converted between " viscous " and " cunning " two kinds of motion states, utilize frictional force drives
Mover realizes mechanical movement output.However, since the driving of piezoelectricity stick-slip slowly drives the stage with rapid deformation, between stator and mover
The different role that frictional force plays shows as friction drive when specially slowly deforming the driving stage, and rapid deformation drives
Frictional resistance is shown as when the stage.The stage especially is driven in the rapid deformation of stator, since mover friction is transported with it
Move it is contrary, when mover inertia force is not enough to overcome the frictional resistance, it will cause mover generate retract movement, show as
The jagged unstable movement output of class deteriorates output performance, limits the application and development of piezoelectricity stick-slip linear motor.
Summary of the invention
The purpose of this utility model is to provide a kind of additional mechanical supercharging type piezoelectricity stick-slip linear motors, solve the prior art
Existing displacement retracts the technical problems such as serious and movement output is unstable.
The above-mentioned purpose of the utility model is achieved through the following technical solutions:
Additional mechanical supercharging type piezoelectricity stick-slip linear motor, including firm banking 1, mobile platform 2, stator module 3 and mover
Component 4；The firm banking 1 is attached with stator module 3 by stator fastening screw 3-5；The firm banking 1 and mover
Component 4 is attached by guide rail fixing glue 4-3；The mobile platform 2 and mover assembly 4 by platform fastening screw 2-3 into
Row connection；The stator module 3 is with mover assembly 4 by driving foot 3-1-2-2 to be engaged.
The firm banking 1 is: the upper surface side of firm banking 1 is provided with mover assembly supporting surface 1-1, described dynamic
The fixed internal thread hole 1-1-1 of guide rail, the setting of the stator module upper surface supporting surface 1-2 have been evenly arranged on sub-component supporting surface 1-1
There is the fixed internal thread hole 1-2-1 of stator.
The mobile platform 2 is: 2 upper surface side of mobile platform is evenly arranged with countersunk head through-hole 2-1；The movement is flat
Platform 2 is provided with guide rail receiving hole 2-2 and matches with fixed guide rail 4-1, prevents from leading during mobile platform 2 moves with fixation
Rail 4-1 is interfered.
The stator module 3 is: additional mechanical supercharging formula stator 3-1 includes bridge-type additional mechanical supercharging structure 3-1-1 and driving knot
Structure 3-1-2, the two sides of the bridge-type additional mechanical supercharging structure 3-1-1 are provided with additional structural support beam 3-1-1-1, the auxiliary knot
Hinge 3-1-1-2, the thickness and additional structural support beam 3-1- of hinge 3-1-1-2 are evenly arranged on structure supporting beam 3-1-1-1
The axial rigidity of 1-1 matches；The additional mechanical supercharging formula stator 3-1 is provided with one 3-1-1-3 of piezoelectric element mounting groove, and bridge-type is auxiliary
The rear end of pressurized construction 3-1-1 is helped to be provided with additional structural support frame 3-1-1-4, it is uniform on additional structural support frame 3-1-1-4
Equipped with supplementary structure fixation hole 3-1-1-5；It is pre- that piezoelectric element is provided in the middle part of the side wall of the additional structural support frame 3-1-1-4
One 3-1-1-6 of tieholen；The front end of the driving structure 3-1-2 is provided with displacement equations structure 3-1-2-1, displacement equations structure 3-
1-2-1 includes level-one displacement equations crossbeam 3-1-2-1-1, second level displacement equations crossbeam 3-1-2-1-2, the support of level-one displacement equations
It is arranged on beam 3-1-2-1-3 and second level displacement equations supporting beam 3-1-2-1-4, the level-one displacement equations crossbeam 3-1-2-1-1
There is one 3-1-2-1-5 of hinge, is provided with two 3-1-2-1-6 of hinge on the second level displacement equations crossbeam 3-1-2-1-2, described one
Three 3-1-2-1-7 of hinge, the second level displacement equations supporting beam 3-1-2- are provided on grade displacement equations supporting beam 3-1-2-1-3
Four 3-1-2-1-8 of hinge is provided on 1-4, a side of displacement equations structure 3-1-2-1 set by the driving structure 3-1-2
Portion is provided with driving foot 3-1-2-2, is engaged with moving guide rail 4-2 side wall, realizes the driving effect to moving guide rail 4-2；
The rear end of the driving structure 3-1-2 is provided with driving structure support frame 3-1-2-3, sets on driving structure support frame 3-1-2-3
There is driving structure fixation hole 3-1-2-4, is provided with the pre- tieholen of piezoelectric element in the middle part of the driving structure support frame 3-1-2-3 side wall
Two 3-1-2-5；The driving structure 3-1-2 is provided with two 3-1-2-6 of piezoelectric element mounting groove；One 3-2 of piezoelectric stack is installed on
In one 3-1-1-3 of piezoelectric element mounting groove, when one 3-2 of piezoelectric stack passes to electric signal, the inverse piezoelectric effect based on piezoelectric element,
One 3-2 of piezoelectric stack can generate axial elongation and act on bridge-type additional mechanical supercharging structure 3-1-1, and then increase driving foot 3-1-2-
2 with the normal pressure of moving guide rail 4-2 side wall, improve the driving effect of additional mechanical supercharging formula stator 3-1；Two 3-3 of piezoelectric stack installation
In in two 3-1-2-6 of piezoelectric element mounting groove, when two 3-3 of piezoelectric stack passes to electric signal, the inverse piezoelectricity based on piezoelectric element is imitated
It answers, two 3-3 of piezoelectric stack generates axial elongation and makes that sufficient 3-1-2-2 is driven to generate laterally by displacement equations structure 3-1-2-1
Displacement, and moving guide rail 4-2 is driven to move；A side end face of gasket 3-4 connects with one 3-2 of piezoelectric stack or two 3-3 of piezoelectric stack
Touching cooperation, another side end face are engaged with one 3-1-1-3 of piezoelectric element mounting groove or two 3-1-2-6 of piezoelectric element mounting groove,
It realizes that the preload to two 3-3 of one 3-2 of piezoelectric stack or piezoelectric stack acts on, and prevents one 3-2 of piezoelectric stack or piezoelectric stack two
3-3 unbalance stress generates shear strain.
The ratio between described thickness of hinge 3-1-1-2 and additional structural support beam 3-1-1-1 is 0.1 ~ 0.9；One 3- of hinge
Value range, two 3-1-2-1-6 of hinge and the second level of the ratio between the thickness of 1-2-1-5 and level-one displacement equations crossbeam 3-1-2-1-1
Value range, three 3-1-2-1-7 of hinge and the level-one displacement equations supporting beam of the ratio between the thickness of displacement equations crossbeam 3-1-2-1-2
The value range of the ratio between the thickness of 3-1-2-1-3, four 3-1-2-1-8 of hinge and second level displacement equations supporting beam 3-1-2-1-4
The value range of the ratio between thickness is 0.1 ~ 0.9.
The mover assembly 4 includes fixed guide rail 4-1, moving guide rail 4-2, guide rail fixing glue 4-3, guide rail caging bolt
The upside end face of 4-4 and guide holder 4-5, the fixed guide rail 4-1 are equipped with two 4-1-1 of countersunk head through-hole, fixed guide rail 4-1's
The upside end face that both sides of the face are equipped with limit one 4-1-2 of threaded hole, moving guide rail 4-2 is equipped with threaded hole 4-2-1, moving guide rail 4-
2 both sides of the face are equipped with limit two 4-2-2 of threaded hole；Countersunk head through-hole set by the guide rail fixing glue 4-3 and fixed guide rail 4-1
Two 4-1-1 cooperation, and screw and connect with the fixed internal thread hole 1-1-1 of guide rail；The guide rail caging bolt 4-4 and limit threaded hole
One 4-1-2 and limit two 4-2-2 of threaded hole screw connection, realize the restriction to fixed guide rail 4-1 and the position moving guide rail 4-2,
And the roller on guide holder 4-5 and guide holder 4-5 is avoided to skid off guide rail；The guide holder 4-5 and roller are
The sliding of mover assembly 4 provides support.
Bridge-type additional mechanical supercharging structure 3-1-1 in the additional mechanical supercharging formula stator 3-1 is shuttle shape additional mechanical supercharging structure 3-
1-3, the rear end of shuttle shape additional mechanical supercharging structure 3-1-3 are provided with supplementary structure fixed frame 3-1-3-1, supplementary structure fixed frame 3-1-
It is uniformly provided with additional mechanical supercharging structure fixation hole 3-1-3-2 on 3-1, is equipped in the middle part of the lateral wall of supplementary structure fixed frame 3-1-3-1
Pre- three 3-1-3-3 of tieholen of piezoelectric element；The two sides the shuttle shape additional mechanical supercharging structure 3-1-3 are provided with supporting beam 3-1-3-4, support
It is uniformly provided with five 3-1-3-5 of hinge on beam 3-1-3-4, the value model of the ratio between five 3-1-3-5 of hinge and supporting beam 3-1-3-4 thickness
Enclose is 0.1 ~ 0.9；The shuttle shape additional mechanical supercharging structure 3-1-3 is provided with piezoelectric stack mounting groove 3-1-3-6.
Bridge-type additional mechanical supercharging structure 3-1-1 in the additional mechanical supercharging formula stator 3-1 is direct-drive type additional mechanical supercharging structure
3-1-4, the front end of the direct-drive type additional mechanical supercharging structure 3-1-4 is provided with displacement output end 3-1-4-1, by piezoelectric stack one
The axial displacement that 3-2 is generated passes to driving foot 3-1-2-2, and then is pressurized driving foot 3-1-2-2 and moving guide rail 4-2 side wall
Normal pressure, to improve the driving effect of driving structure 3-1-2；The front end of the direct-drive type additional mechanical supercharging structure 3-1-4 is uniform
N layers of thin plate 3-1-4-2 are provided with, wherein N is the positive integer more than or equal to 1, and the thickness of every layer of thin plate 3-1-4-2 is greater than 0.1mm；
It is provided in the middle part of the direct-drive type additional mechanical supercharging structure 3-1-4 and stacks mounting groove 3-1-4-3, direct-drive type additional mechanical supercharging structure 3-
The rear end 1-4 is provided with pressurized construction counter sink 3-1-4-4.
Bridge-type additional mechanical supercharging structure 3-1-1 in the additional mechanical supercharging formula stator 3-1 can be diamond shape hinge additional mechanical supercharging
The rear and front end of structure 3-1-5, diamond shape hinge additional mechanical supercharging structure 3-1-5 are provided with piezoelectric element stationary plane 3-1-5-1, diamond shape
The two sides of hinge additional mechanical supercharging structure 3-1-5 are provided with hinge support beam 3-1-5-2, uniformly open on hinge support beam 3-1-5-2
Equipped with six 3-1-5-3 of hinge, the value range of the ratio between six 3-1-5-3 of hinge and hinge support beam 3-1-5-2 thickness is 0.1 ~
0.9；The rear end of the diamond shape hinge additional mechanical supercharging structure 3-1-5 is provided with additional structural support seat 3-1-5-4, supplementary structure
Support base 3-1-5-4 is equipped with supplementary structure fastener hole 3-1-5-5.
The utility model has the beneficial effects that: the utility model increases mainly using additional mechanical supercharging formula stator structure
Big friction drive between additional mechanical supercharging formula stator and moving guide rail, reduces between additional mechanical supercharging formula stator and moving guide rail
Frictional resistance realizes the regulation to frictional force in piezoelectricity stick-slip linear motor whole work process, and it is viscous can significantly to improve piezoelectricity
The output characteristics of sliding linear motor reduces it and is displaced rollback rate, has wide practical use in fields such as precision engineering technologies.
Detailed description of the invention
Attached drawing described herein is used to provide a further understanding of the present invention, and is constituted part of this application,
The illustrative example and its explanation of the utility model do not constitute the improper limit to the utility model for explaining the utility model
It is fixed.
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of the firm banking of the utility model；
Fig. 3 is the structural schematic diagram of the mobile platform of the utility model；
Fig. 4 is the structural schematic diagram of the stator module of the utility model；
Fig. 5 is the structural schematic diagram of the additional mechanical supercharging formula stator of the utility model；
Fig. 6 is the enlarged drawing of the displacement equations structure of the utility model；
Fig. 7 is the top view of the additional mechanical supercharging formula stator of the utility model；
Fig. 8 is the structural schematic diagram of the piezoelectric stack of the utility model；
Fig. 9 is the structural schematic diagram of the gasket of the utility model；
Figure 10 is the structural schematic diagram of the mover assembly of the utility model；
Figure 11 is the workflow schematic diagram of the utility model；
Figure 12 be the utility model piezoelectric stack driving voltage when raising simultaneously the stress of additional mechanical supercharging formula stator and
The schematic diagram of motion conditions；
Figure 13 be the utility model piezoelectric stack driving voltage simultaneously when reducing the stress of additional mechanical supercharging formula stator and
The schematic diagram of motion conditions；
Figure 14 is structural schematic diagram of the utility model using the additional mechanical supercharging formula stator of shuttle shape additional mechanical supercharging structure；
Figure 15 is top view of the utility model using the additional mechanical supercharging formula stator of shuttle shape additional mechanical supercharging structure；
Figure 16 is structural schematic diagram of the utility model using the additional mechanical supercharging formula stator of direct-drive type additional mechanical supercharging structure；
Figure 17 is top view of the utility model using the additional mechanical supercharging formula stator of direct-drive type additional mechanical supercharging structure；
Figure 18 is structural schematic diagram of the utility model using the additional mechanical supercharging formula stator of diamond shape hinge additional mechanical supercharging structure；
Figure 19 is top view of the utility model using the additional mechanical supercharging formula stator of diamond shape hinge additional mechanical supercharging structure；
Figure 20 is the excitation electric signal waveform schematic diagram of the utility model.
In figure: 1, firm banking；1-1, mover assembly supporting surface；1-2, stator module supporting surface；1-1-1, guide rail are fixed
Internal thread hole；The fixed internal thread hole of 1-2-1, stator；2, mobile platform；2-1, countersunk head through-hole；2-2, guide rail receiving hole；2-3, it puts down
Platform fastening screw；3, stator module；3-1, additional mechanical supercharging formula stator；3-2, piezoelectric stack one；3-3, piezoelectric stack two；3-4, pad
Piece；3-5, stator fastening screw；3-6, pre-loading screw；3-1-1, bridge-type additional mechanical supercharging structure；3-1-2, driving structure；3-1-3,
Shuttle shape additional mechanical supercharging structure；3-1-4, direct-drive type additional mechanical supercharging structure；3-1-5, diamond shape hinge additional mechanical supercharging structure；3-1-1-1,
Additional structural support beam；3-1-1-2, hinge；3-1-1-3, piezoelectric element mounting groove one；3-1-1-4, additional structural support frame；
3-1-1-5, supplementary structure fixation hole；The pre- tieholen one of 3-1-1-6, piezoelectric element；3-1-2-1, displacement equations structure；3-1-2-2,
Driving foot；3-1-2-3, driving structure support frame；3-1-2-4, driving structure fixation hole；The pre- tieholen of 3-1-2-5, piezoelectric element
Two；3-1-2-6, piezoelectric element mounting groove two；3-1-2-1-1, level-one displacement equations crossbeam；3-1-2-1-2, second level displacement equations
Crossbeam；3-1-2-1-3, level-one displacement equations supporting beam；3-1-2-1-4, second level displacement equations supporting beam；3-1-2-1-5, hinge
One；3-1-2-1-6, hinge two；3-1-2-1-7, hinge three；3-1-2-1-8, hinge four；3-1-3-1, supplementary structure fixed frame；
3-1-3-2, additional mechanical supercharging structure fixation hole；The pre- tieholen three of 3-1-3-3, piezoelectric element；3-1-3-4, supporting beam；3-1-3-5, hinge
Chain five；3-1-3-6, piezoelectric stack mounting groove；3-1-4-1, displacement output end；3-1-4-2, thin plate；3-1-4-3, placement is stacked
Slot；3-1-4-4, pressurized construction counter sink；3-1-5-1, piezoelectric element stationary plane；3-1-5-2, hinge support beam；3-1-5-3,
Hinge six；3-1-5-4, additional structural support seat；3-1-5-5, supplementary structure fastener hole；4, mover assembly；4-1, fixed guide rail；
4-2, moving guide rail；4-3, guide rail fixing glue；4-4, guide rail caging bolt；4-5, guide holder；4-1-1, countersunk head through-hole two；
4-1-2, limit threaded hole one；4-2-1, threaded hole；4-2-2, limit threaded hole two.
Specific embodiment
The detailed content and its specific embodiment of the utility model are further illustrated with reference to the accompanying drawing.
Referring to shown in Fig. 1 to Figure 20, the additional mechanical supercharging type piezoelectricity stick-slip linear motor of the utility model, motor includes fixing
Pedestal, mobile platform, stator module and mover assembly；Firm banking and stator module are attached by screw；Fixed bottom
Seat and mover assembly are attached by screw；Mobile platform and mover assembly are attached by screw；Stator module and dynamic
Sub-component is engaged.The friction drive between additional mechanical supercharging formula stator and moving guide rail can be increased, and reduce additional mechanical supercharging formula
Frictional resistance between stator and moving guide rail realizes the regulation to frictional force in piezoelectricity stick-slip linear motor whole work process,
The output characteristics that piezoelectricity stick-slip linear motor can significantly be improved reduces it and is displaced rollback rate.The utility model has structure letter
Many technical advantages such as single, precision height and fast response time.Have wide practical use in fields such as precision engineering technologies.
Referring to shown in Fig. 1 to Figure 14, the additional mechanical supercharging type piezoelectricity stick-slip linear motor of the utility model, including firm banking
1, mobile platform 2, stator module 3 and mover assembly 4；The firm banking 1 passes through stator fastening screw 3- with stator module 3
5 are attached；The firm banking 1 is attached with mover assembly 4 by guide rail fixing glue 4-3；The mobile platform 2 with it is dynamic
Sub-component 4 is attached by platform fastening screw 2-3；The stator module 3 passes through driving foot 3-1-2-2 with mover assembly 4
It is engaged.
Shown in Figure 2, firm banking 1 described in the utility model is: the upper surface side setting of the firm banking 1
There is mover assembly supporting surface 1-1；The fixed internal thread hole 1-1-1 of guide rail has been evenly arranged on the mover assembly supporting surface 1-1；Institute
It states the upper surface stator module supporting surface 1-2 and is provided with the fixed internal thread hole 1-2-1 of stator.
Shown in Figure 3, mobile platform 2 described in the utility model is: the 2 upper surface side of mobile platform is uniformly set
It is equipped with countersunk head through-hole 2-1；The mobile platform 2 is provided with guide rail receiving hole 2-2, accommodates fixed guide rail 4-1, prevents mobile flat
Platform 2 interferes during moving with fixed guide rail 4-1.
Referring to fig. 4 to shown in Fig. 9, stator module 3 described in the utility model is: additional mechanical supercharging formula stator 3-1 includes bridge
Formula additional mechanical supercharging structure 3-1-1 and driving structure 3-1-2；The two sides of the bridge-type additional mechanical supercharging structure 3-1-1 are provided with auxiliary
Structural support beam 3-1-1-1, with a thickness of d2；Hinge 3-1-1- is evenly arranged on the additional structural support beam 3-1-1-1
2, with a thickness of d1, d1Size directly affect the axial rigidity of additional structural support beam 3-1-1-1, wherein d1/d2Value model
Enclosing is 0.1 ~ 0.9, and the hinge 3-1-1-2 can be straight round hinge, ellipse hinge, hyperbolic-type hinge, parabolic type hinge
Chain, perpendicular type hinge etc.；The additional mechanical supercharging formula stator 3-1 is provided with one 3-1-1-3 of piezoelectric element mounting groove；The bridge-type is auxiliary
The rear end of pressurized construction 3-1-1 is helped to be provided with additional structural support frame 3-1-1-4；On the additional structural support frame 3-1-1-4
It is uniformly provided with supplementary structure fixation hole 3-1-1-5；Piezoelectricity member is provided in the middle part of the side wall of the additional structural support frame 3-1-1-4
Pre- one 3-1-1-6 of tieholen of part；The front end of the driving structure 3-1-2 is provided with displacement equations structure 3-1-2-1, wherein the position
Moving enlarged structure 3-1-2-1 includes level-one displacement equations crossbeam 3-1-2-1-1, second level displacement equations crossbeam 3-1-2-1-2, level-one
Displacement equations supporting beam 3-1-2-1-3 and second level displacement equations supporting beam 3-1-2-1-4；The level-one displacement equations crossbeam 3-1-
One 3-1-2-1-5 of hinge is provided on 2-1-1, with a thickness of l3, the level-one displacement equations crossbeam 3-1-2-1-1 with a thickness of
l4, wherein l3/ l4Value range be 0.1 ~ 0.9；Two 3- of hinge is provided on the second level displacement equations crossbeam 3-1-2-1-2
1-2-1-6, with a thickness of l1, the second level displacement equations crossbeam 3-1-2-1-2 with a thickness of l2, wherein l1/l2Value range
It is 0.1 ~ 0.9；It is provided with three 3-1-2-1-7 of hinge on the level-one displacement equations supporting beam 3-1-2-1-3, with a thickness of l7,
The level-one displacement equations supporting beam 3-1-2-1-3 with a thickness of l8, wherein l7/l8Value range be 0.1 ~ 0.9；Described two
It is provided with four 3-1-2-1-8 of hinge on grade displacement equations supporting beam 3-1-2-1-4, with a thickness of l5, the second level displacement equations
Supporting beam 3-1-2-1-4 with a thickness of l6, wherein l5/l6Value range be 0.1 ~ 0.9；One 3-1-2-1-5 of hinge, hinge
Two 3-1-2-1-6 of chain, three 3-1-2-1-7 of hinge and four 3-1-2-1-8 of hinge can be straight round hinge, ellipse hinge, double
Shaped form hinge, parabolic type hinge, perpendicular type hinge etc.；Displacement equations structure 3-1- set by the driving structure 3-1-2
A side end of 2-1 is provided with driving foot 3-1-2-2, is engaged with moving guide rail 4-2 side wall, realizes to moving guide rail 4-2
Driving effect；The rear end of the driving structure 3-1-2 is provided with driving structure support frame 3-1-2-3；The driving structure branch
Support 3-1-2-3 is equipped with driving structure fixation hole 3-1-2-4；Setting in the middle part of the driving structure support frame 3-1-2-3 side wall
There is pre- two 3-1-2-5 of tieholen of piezoelectric element；The driving structure 3-1-2 is provided with two 3-1-2-6 of piezoelectric element mounting groove；It is described
One 3-2 of piezoelectric stack is installed in one 3-1-1-3 of piezoelectric element mounting groove, when one 3-2 of piezoelectric stack passes to electric signal, based on pressure
The inverse piezoelectric effect of electric device, one 3-2 of piezoelectric stack can generate axial elongation and act on bridge-type additional mechanical supercharging structure 3-1-1,
And then increase the normal pressure of driving foot 3-1-2-2 and moving guide rail 4-2 side wall, it is effective to improve additional mechanical supercharging formula stator 3-1's
Drive effect；Two 3-3 of piezoelectric stack is installed in two 3-1-2-6 of piezoelectric element mounting groove, when two 3-3 of piezoelectric stack is passed to
Electric signal, the inverse piezoelectric effect based on piezoelectric element, two 3-3 of piezoelectric stack generate axial elongation and pass through displacement equations structure 3-
1-2-1 makes that sufficient 3-1-2-2 is driven to generate lateral displacement, and moving guide rail 4-2 is driven to move；The gasket 3-4, one side end face
Be engaged with one 3-2 of piezoelectric stack or two 3-3 of piezoelectric stack, another side end face and one 3-1-1-3 of piezoelectric element mounting groove or
Two 3-1-2-6 of piezoelectric element mounting groove is engaged, and realizes that the preload to two 3-3 of one 3-2 of piezoelectric stack or piezoelectric stack acts on,
And can effectively prevent one 3-2 of piezoelectric stack or two 3-3 unbalance stress of piezoelectric stack or generate shear strain, to influence piezo stack
The service life of two 3-3 of one 3-2 of heap or piezoelectric stack, the gasket 3-4 can be made of materials such as wolfram steel, No. 45 steel.
Shown in Figure 10, mover assembly 4 described in the utility model includes fixed guide rail 4-1, moving guide rail 4-2, guide rail
Fixing glue 4-3, guide rail caging bolt 4-4 and guide holder 4-5；The upside end face of the fixed guide rail 4-1 is logical equipped with countersunk head
Two 4-1-1 of hole；The both sides of the face of the fixed guide rail 4-1 are equipped with limit one 4-1-2 of threaded hole；The moving guide rail 4-2's is upper
Side end face is equipped with threaded hole 4-2-1；The both sides of the face of the moving guide rail 4-2 are equipped with limit two 4-2-2 of threaded hole；The guide rail
Two 4-1-1 of countersunk head through-hole set by fixing glue 4-3 and fixed guide rail 4-1 cooperates, and screws with the fixed internal thread hole 1-1-1 of guide rail
Connection；The guide rail caging bolt 4-4 is screwed and is connect with limit one 4-1-2 of threaded hole and limit two 4-2-2 of threaded hole, realization pair
The restriction of fixed guide rail 4-1 and the position moving guide rail 4-2, and guide holder 4-5 and roller is avoided to skid off guide rail；The guide rail
Retainer 4-5 and roller provide support for the sliding of mover assembly 4.
Referring to the bridge-type additional mechanical supercharging described in Figure 14 to Figure 15, in additional mechanical supercharging formula stator 3-1 described in the utility model
Structure 3-1-1 can be shuttle shape additional mechanical supercharging structure 3-1-3；The rear end of the shuttle shape additional mechanical supercharging structure 3-1-3 is provided with auxiliary
Structure fixed frame 3-1-3-1, is used for fixing and supporting for shuttle shape additional mechanical supercharging structure 3-1-3；The supplementary structure fixed frame
It is uniformly provided with additional mechanical supercharging structure fixation hole 3-1-3-2 on 3-1-3-1, is used to cooperate with stator fastening screw 3-5, realize auxiliary
Help being fastenedly connected for booster-type stator 3-1 and firm banking 1；It is set in the middle part of the lateral wall of the supplementary structure fixed frame 3-1-3-1
There is pre- three 3-1-3-3 of tieholen of piezoelectric element, be used to screw with pre-loading screw 3-6 and connect, realizes to the pre- of one 3-2 of piezoelectric stack
Tight effect；The two sides the shuttle shape additional mechanical supercharging structure 3-1-3 are provided with supporting beam 3-1-3-4, with a thickness of d4；The supporting beam
Five 3-1-3-5 of hinge is uniformly provided on 3-1-3-4, with a thickness of d3, d3Size directly affect the axial direction of supporting beam 3-1-3-4
Rigidity, wherein d3/ d4Value range be 0.1 ~ 0.9；Five 3-1-3-5 of hinge can for straight round hinge, ellipse hinge,
Hyperbolic-type hinge, parabolic type hinge, perpendicular type hinge etc., five 3-1-3-5 of hinge is straight round in present embodiment
Hinge；The shuttle shape additional mechanical supercharging structure 3-1-3 is provided with piezoelectric stack mounting groove 3-1-3-6, is used for one 3-2 of piezoelectric stack
Cooperation realizes that the installation of one 3-2 of piezoelectric stack is fixed.
Referring to the bridge-type additional mechanical supercharging shown in Figure 16 to Figure 17, in additional mechanical supercharging formula stator 3-1 described in the utility model
Structure 3-1-1 can be direct-drive type additional mechanical supercharging structure 3-1-4；The front end of the direct-drive type additional mechanical supercharging structure 3-1-4 is provided with
It is displaced output end 3-1-4-1, effect is that one 3-2 of the piezoelectric stack axial displacement generated is passed to driving foot 3-1-2-2,
And then it is pressurized the normal pressure of driving foot 3-1-2-2 and moving guide rail 4-2 side wall, to effectively improve driving structure 3-1-2's
Drive effect；The front end of the direct-drive type additional mechanical supercharging structure 3-1-4 is evenly arranged with N layers of thin plate 3-1-4-2, and wherein N is big
In the positive integer for being equal to 1, wherein every layer of thin plate 3-1-4-2 with a thickness of d5, wherein d5For the number greater than 0.1mm, wherein N, d5's
Size directly affects the supercharging effect of direct-drive type additional mechanical supercharging structure 3-1-4；In the direct-drive type additional mechanical supercharging structure 3-1-4
Portion, which is provided with, stacks mounting groove 3-1-4-3, is used to be interference fitted with one 3-2 of piezoelectric stack, and then realize one 3-2 of piezoelectric stack
With being engaged for direct-drive type additional mechanical supercharging structure 3-1-4；The rear end the direct-drive type additional mechanical supercharging structure 3-1-4 is provided with pressurization
Structure counter sink 3-1-4-4 is used to cooperate with stator fastening screw 3-5, realizes direct-drive type additional mechanical supercharging structure 3-1-4 and consolidates
Determine being fastenedly connected for pedestal 1.
Referring to the bridge-type additional mechanical supercharging shown in Figure 18 to Figure 19, in additional mechanical supercharging formula stator 3-1 described in the utility model
Structure 3-1-1 can be diamond shape hinge additional mechanical supercharging structure 3-1-5；The front and back two of the diamond shape hinge additional mechanical supercharging structure 3-1-5
End is provided with piezoelectric element stationary plane 3-1-5-1, is used to be engaged with the both sides of the face of one 3-2 of piezoelectric stack, realizes pressure
Electricity stacks the interference fit of a 3-2 Yu diamond shape hinge additional mechanical supercharging structure 3-1-5；The diamond shape hinge additional mechanical supercharging structure 3-1-
5 two sides are provided with hinge support beam 3-1-5-2, with a thickness of d7；Hinge is uniformly provided on the hinge support beam 3-1-5-2
Six 3-1-5-3 of chain, with a thickness of d6, d6Size directly affect the axial rigidity of hinge support beam 3-1-5-2, wherein d6/d7's
Value range is 0.1 ~ 0.9；Six 3-1-5-3 of hinge can be straight round hinge, ellipse hinge, hyperbolic-type hinge, throwing
Object line style hinge, perpendicular type hinge etc. are straight round hinge in present embodiment；The diamond shape hinge additional mechanical supercharging knot
The rear end of structure 3-1-5 is provided with additional structural support seat 3-1-5-4, is used for diamond shape hinge additional mechanical supercharging structure 3-1-5's
It supports and fixed；The additional structural support seat 3-1-5-4 is equipped with supplementary structure fastener hole 3-1-5-5, is used for and stator
Fastening screw 3-5 cooperation, realization diamond shape hinge additional mechanical supercharging structure 3-1-5 are fastenedly connected with firm banking 1.
Embodiment:
Referring to shown in Fig. 1 to Figure 14, the additional mechanical supercharging type piezoelectricity stick-slip linear motor of the utility model includes firm banking
1, mobile platform 2, stator module 3 and mover assembly 4；Firm banking 1 is attached with stator module 3 by screw；It is fixed
Pedestal 1 is attached with mover assembly 4 by screw；Mobile platform 2 is attached with mover assembly 4 by screw；Stator pack
Part 3 is engaged with mover assembly 4.The friction drive between additional mechanical supercharging formula stator and moving guide rail can be increased, and reduced auxiliary
The frictional resistance between booster-type stator and moving guide rail is helped, is realized to frictional force in piezoelectricity stick-slip linear motor whole work process
Regulation, can significantly improve the output characteristics of piezoelectricity stick-slip linear motor, reduce its be displaced rollback rate, in precision engineering technology
Equal fields have wide practical use.
The firm banking 1 includes mover assembly supporting surface 1-1 and stator module supporting surface 1-2；The firm banking 1
Upper surface side is provided with mover assembly supporting surface 1-1, is used to connect with the lower surface of the fixation guide rail 4-1 in mover assembly 4
Touching cooperation, realizes the mating connection of firm banking 1 and mover assembly 4；It has been evenly arranged and has led on the mover assembly supporting surface 1-1
Rail fixes internal thread hole 1-1-1, is used to screw with guide rail fixing glue 4-3 and connect, realizes firm banking 1 and mover assembly 4
It is fastenedly connected；The upper surface stator module supporting surface 1-2 is provided with the fixed internal thread hole 1-2-1 of stator, is used for and stator
Fastening screw 3-5 screws connection, and realization stator module 3 is fastenedly connected with firm banking 1；
The 2 upper surface side of mobile platform is evenly arranged with countersunk head through-hole 2-1, is used for and platform fastening screw 2-3
Cooperation, realization mobile platform 2 are fastenedly connected with mover assembly 4；The mobile platform 2 is provided with guide rail receiving hole 2-2, uses
In accommodating fixed guide rail 4-1, prevent from interfering during mobile platform 2 moves with fixed guide rail 4-1；
The stator module 3 includes additional mechanical supercharging formula stator 3-1, one 3-2 of piezoelectric stack, two 3-3 of piezoelectric stack, gasket 3-
4, stator fastening screw 3-5 and pre-loading screw 3-6；
The additional mechanical supercharging formula stator 3-1 includes bridge-type additional mechanical supercharging structure 3-1-1 and driving structure 3-1-2；The bridge
The two sides of formula additional mechanical supercharging structure 3-1-1 are provided with additional structural support beam 3-1-1-1, with a thickness of d2；The supplementary structure
Hinge 3-1-1-2 is evenly arranged on supporting beam 3-1-1-1, with a thickness of d1, d1Size directly affect additional structural support beam
The axial rigidity of 3-1-1-1, wherein d1/d2Value range be 0.1 ~ 0.9, d in present embodiment1/ d2Value be
0.3, the hinge 3-1-1-2 can be straight round hinge, ellipse hinge, hyperbolic-type hinge, parabolic type hinge, perpendicular type
Hinge etc., hinge 3-1-1-2 is straight round hinge in present embodiment；The additional mechanical supercharging formula stator 3-1 is provided with pressure
One 3-1-1-3 of electric device mounting groove is used for the installation and fixation of one 3-2 of piezoelectric stack；The bridge-type additional mechanical supercharging structure 3-
The rear end of 1-1 is provided with additional structural support frame 3-1-1-4, is used for the support and fixation of bridge-type additional mechanical supercharging structure 3-1-1；
It is uniformly provided with supplementary structure fixation hole 3-1-1-5 on the additional structural support frame 3-1-1-4, is used for and stator fastening screw
3-5 cooperation, realization bridge-type additional mechanical supercharging structure 3-1-1 are fastenedly connected with firm banking 1；The additional structural support frame 3-1-
It is provided with pre- one 3-1-1-6 of tieholen of piezoelectric element in the middle part of the side wall of 1-4, is used to screw with pre-loading screw 3-6 and connect, realization pair
The preload of one 3-2 of piezoelectric stack acts on；
The front end of the driving structure 3-1-2 is provided with displacement equations structure 3-1-2-1, wherein the displacement equations structure
3-1-2-1 includes level-one displacement equations crossbeam 3-1-2-1-1, second level displacement equations crossbeam 3-1-2-1-2, level-one displacement equations branch
Support beam 3-1-2-1-3 and second level displacement equations supporting beam 3-1-2-1-4；It is set on the level-one displacement equations crossbeam 3-1-2-1-1
It is equipped with one 3-1-2-1-5 of hinge, with a thickness of l3, the level-one displacement equations crossbeam 3-1-2-1-1 with a thickness of l4, wherein l3/
l4Value range be 0.1 ~ 0.9, l in present embodiment3/l4Value be 0.2；The second level displacement equations crossbeam 3-
Two 3-1-2-1-6 of hinge is provided on 1-2-1-2, with a thickness of l1, the thickness of the second level displacement equations crossbeam 3-1-2-1-2
For l2, wherein l1/l2Value range be 0.1 ~ 0.9, l in present embodiment1/ l2Value be 0.2；One level
It moves on amplification supporting beam 3-1-2-1-3 and is provided with three 3-1-2-1-7 of hinge, with a thickness of l7, the level-one displacement equations support
Beam 3-1-2-1-3 with a thickness of l8, wherein l7/l8Value range be 0.1 ~ 0.9, l in present embodiment7/ l8Value
It is 0.3；It is provided with four 3-1-2-1-8 of hinge on the second level displacement equations supporting beam 3-1-2-1-4, with a thickness of l5, described
Second level displacement equations supporting beam 3-1-2-1-4 with a thickness of l6, wherein l5/l6Value range be 0.1 ~ 0.9, this specific implementation
L in mode5/l6Value be 0.3；One 3-1-2-1-5 of hinge, two 3-1-2-1-6 of hinge, three 3-1-2-1-7 of hinge and
Four 3-1-2-1-8 of hinge can be straight round hinge, ellipse hinge, hyperbolic-type hinge, parabolic type hinge, perpendicular type hinge
Deng being straight round hinge in present embodiment；Displacement equations structure 3-1-2-1 set by the driving structure 3-1-2
A side end be provided with driving foot 3-1-2-2, be used to be engaged with moving guide rail 4-2 side wall, realization to moving guide rail
The driving effect of 4-2；The rear end of the driving structure 3-1-2 is provided with driving structure support frame 3-1-2-3, is used to drive knot
Structure 3-1-2's is fixed on support；The driving structure support frame 3-1-2-3 is equipped with driving structure fixation hole 3-1-2-4, uses
Cooperate in stator fastening screw 3-5, realization driving structure 3-1-2 is fastenedly connected with firm banking 1；The driving structure branch
It is provided with pre- two 3-1-2-5 of tieholen of piezoelectric element in the middle part of support 3-1-2-3 side wall, is used to screw with pre-loading screw 3-6 and connect,
Realize that the preload to two 3-3 of piezoelectric stack acts on；The driving structure 3-1-2 is provided with two 3-1-2-6 of piezoelectric element mounting groove,
What it was used for two 3-3 of piezoelectric stack is installed on fixation；
One 3-2 of piezoelectric stack is installed in one 3-1-1-3 of piezoelectric element mounting groove, when one 3-2 of piezoelectric stack is passed to
Electric signal, the inverse piezoelectric effect based on piezoelectric element, one 3-2 of piezoelectric stack, which can generate axial elongation and act on bridge-type auxiliary, to be increased
Laminated structure 3-1-1, and then increase the normal pressure of driving foot 3-1-2-2 and moving guide rail 4-2 side wall, effectively improve additional mechanical supercharging
The driving effect of formula stator 3-1；Two 3-3 of piezoelectric stack is installed in two 3-1-2-6 of piezoelectric element mounting groove, works as piezo stack
Two 3-3 of heap passes to electric signal, the inverse piezoelectric effect based on piezoelectric element, and two 3-3 of piezoelectric stack generates axial elongation and passes through position
Moving enlarged structure 3-1-2-1 makes that sufficient 3-1-2-2 is driven to generate lateral displacement, and moving guide rail 4-2 is driven to move；This specific implementation
In mode one 3-2 of piezoelectric stack and two 3-3 of piezoelectric stack using THORLABS company of the U.S. AE0505D16F model
Piezoelectric stack；
The gasket 3-4, one side end face are engaged with one 3-2 of piezoelectric stack or two 3-3 of piezoelectric stack, another side
Face is engaged with one 3-1-1-3 of piezoelectric element mounting groove or two 3-1-2-6 of piezoelectric element mounting groove, realizes to piezoelectric stack one
The preload of two 3-3 of 3-2 or piezoelectric stack acts on, and can effectively prevent one 3-2 of piezoelectric stack or two 3-3 stress of piezoelectric stack not
Or shear strain is generated, to influence the service life of two 3-3 of one 3-2 of piezoelectric stack or piezoelectric stack, the gasket 3-4 can be by
The materials such as wolfram steel, No. 45 steel are made, and gasket 3-4 described in present embodiment is made of wolfram steel；
The stator fastening screw 3-5 is used for supplementary structure fixation hole 3-1-1-5 and driving structure fixation hole 3-1-2-
4 cooperations, and screw and connect with the fixed internal thread hole 1-2-1 of stator set on firm banking 1, realize additional mechanical supercharging formula stator 3-
1 is fastenedly connected with firm banking 1；
The pre-loading screw 3-6 is used for and pre- one 3-1-1-6 of tieholen of piezoelectric element and pre- two 3-1- of tieholen of piezoelectric element
2-5 screws connection, realizes that the preload to two 3-3 of one 3-2 of piezoelectric stack and piezoelectric stack acts on；
The mover assembly 4 includes fixed guide rail 4-1, moving guide rail 4-2, guide rail fixing glue 4-3, guide rail caging bolt 4-
4 and guide holder 4-5.
The upside end face of the fixed guide rail 4-1 is equipped with two 4-1-1 of countersunk head through-hole, is used to match with guide rail fixing glue 4-3
It closes；The both sides of the face of the fixed guide rail 4-1 are equipped with limit one 4-1-2 of threaded hole, are used to screw with guide rail caging bolt 4-4
The restriction to the fixed position guide rail 4-1 is realized in connection.
The upside end face of the moving guide rail 4-2 is equipped with threaded hole 4-2-1, is used to screw with platform fastening screw 2-3
Being fastenedly connected for mobile platform 2 and moving guide rail 4-2 is realized in connection；The both sides of the face of the moving guide rail 4-2 are equipped with limit spiral shell
Two 4-2-2 of pit, is used to screw with guide rail caging bolt 4-4 and connect, and realizes the restriction to the position moving guide rail 4-2.
The guide rail fixing glue 4-3 is used to cooperate with two 4-1-1 of countersunk head through-hole set by fixed guide rail 4-1, and with lead
The fixed internal thread hole 1-1-1 of rail screws connection, realizes being fastenedly connected for firm banking 1 and fixed guide rail 4-1.
The guide rail caging bolt 4-4 is used to screw with limit one 4-1-2 of threaded hole and limit two 4-2-2 of threaded hole
Connection realizes the restriction to fixed guide rail 4-1 and the position moving guide rail 4-2, and avoids guide holder 4-5 and roller from skidding off and lead
Rail.
The guide holder 4-5 and roller provide support for the sliding of mover assembly 4.
The working principle of the utility model is: the motivational techniques of additional mechanical supercharging type piezoelectricity stick-slip linear motor are mainly in electricity
Under signal excitation, the frictional force between comprehensive regulation additional mechanical supercharging formula stator 3-1 and moving guide rail 4-2 side wall, and then promote piezoelectricity
The mechanical output characteristics of stick-slip linear motor.The course of work of the additional mechanical supercharging type piezoelectricity stick-slip linear motor can be divided into two ranks
Section: additional mechanical supercharging formula stator slowly drives stage and additional mechanical supercharging formula stator rapid deformation to drive the stage.It is fixed in additional mechanical supercharging formula
In the sub slowly driving stage, moving guide rail 4-2 is under the action of stiction as additional mechanical supercharging formula stator 3-1 occurs slowly together
" viscous " movement, stiction provides driving force at this time, increases between additional mechanical supercharging formula stator 3-1 and moving guide rail 4-2 side wall
Frictional force can promote the output performance of piezoelectricity stick-slip linear motor；Stage, auxiliary are driven in additional mechanical supercharging formula stator rapid deformation
The force of sliding friction generated between booster-type stator 3-1 and moving guide rail 4-2 is frictional resistance, especially when mover inertia force is insufficient
When overcoming the frictional resistance, it will cause moving guide rail 4-2 to generate the movement (displacement retract) that retracts, it is microcosmic on show as class saw
The unstable movement of dentation deteriorates output performance, influences positioning accuracy, tries to reduce additional mechanical supercharging formula stator 3-1 at this time and move
Frictional resistance between dynamic guide rail 4-2 side wall, can improve the output performance of piezoelectricity stick-slip linear motor；It is slow in additional mechanical supercharging formula stator
Slow driving stage, the driving voltage of two 3-3 of one 3-2 of piezoelectric stack and piezoelectric stack raise simultaneously, the inverse pressure based on piezoelectric element
Electrical effect, two 3-3 of piezoelectric stack can generate axial elongation and by displacement equations structure 3-1-2-1 excitation driving foot 3-1-2-
2 generate driving lateral displacement, and at the same time, one 3-2 of piezoelectric stack generates axial elongation, make bridge-type additional mechanical supercharging structure 3-1-1
Axial movement is generated, to increase the normal pressure contacted between driving foot 3-1-2-2 and moving guide rail 4-2 side wall, and then is increased auxiliary
Help the friction drive between booster-type stator 3-1 and moving guide rail 4-2；The stage is driven in additional mechanical supercharging formula stator rapid deformation,
The driving voltage of two 3-3 of one 3-2 of piezoelectric stack and piezoelectric stack reduces simultaneously, the inverse piezoelectric effect based on piezoelectric element, piezoelectricity
Stack two 3-3 can generate axial shortening pass through and pass through displacement equations structure 3-1-2-1 excitation driving foot 3-1-2-2 generate back
Position lateral displacement, at the same time, one 3-2 of piezoelectric stack generate axial shortening, generate bridge-type additional mechanical supercharging structure 3-1-1 axial
Movement to reduce the normal pressure contacted between driving foot 3-1-2-2 and moving guide rail 4-2 side wall, and then reduces additional mechanical supercharging formula
Frictional resistance between stator 3-1 and moving guide rail 4-2 can effectively improve piezoelectricity stick-slip linear motor with above-mentioned driving method
Output performance；When one 3-2 of piezoelectric stack passes to electric signal, and two 3-3 of piezoelectric stack does not work, based on the inverse of piezoelectric element
Piezoelectric effect, one 3-2 of piezoelectric stack generate axial elongation, and increase and contact between driving foot 3-1-2-2 and moving guide rail 4-2 side wall
Normal pressure make moving guide rail 4-2 be in positioning stationary state.
The foregoing is merely the preferred embodiments of the utility model, are not intended to limit the utility model, for ability
For the technical staff in domain, various modifications and changes may be made to the present invention.It is all to made by the utility model it is any modification,
Equivalent replacement, improvement etc., should be included within the scope of protection of this utility model.
Claims (9)
1. a kind of additional mechanical supercharging type piezoelectricity stick-slip linear motor, it is characterised in that: including firm banking (1), mobile platform (2),
Stator module (3) and mover assembly (4)；The firm banking (1) and stator module (3) pass through stator fastening screw (3-5)
It is attached；The firm banking (1) is attached with mover assembly (4) by guide rail fixing glue (4-3)；The mobile platform
(2) it is attached with mover assembly (4) by platform fastening screw (2-3)；The stator module (3) and mover assembly (4) are logical
Foot (3-1-2-2) of overdriving is engaged.
2. additional mechanical supercharging type piezoelectricity stick-slip linear motor according to claim 1, it is characterised in that: the firm banking
(1) be: the upper surface side of firm banking (1) is provided with mover assembly supporting surface (1-1), the mover assembly supporting surface (1-
1) it is fixed internal thread hole (1-1-1) that guide rail has been evenly arranged on, the upper surface stator module supporting surface (1-2) is provided with stator and fixes
Internal thread hole (1-2-1).
3. additional mechanical supercharging type piezoelectricity stick-slip linear motor according to claim 1, it is characterised in that: the mobile platform
(2) be: mobile platform (2) upper surface side is evenly arranged with countersunk head through-hole (2-1)；The mobile platform (2) is provided with guide rail
Receiving hole (2-2) is matched with fixed guide rail (4-1), prevent during mobile platform (2) move with fixed guide rail (4-1)
It interferes.
4. additional mechanical supercharging type piezoelectricity stick-slip linear motor according to claim 1, it is characterised in that: the stator module
(3) be: additional mechanical supercharging formula stator (3-1) includes bridge-type additional mechanical supercharging structure (3-1-1) and driving structure (3-1-2), the bridge
The two sides of formula additional mechanical supercharging structure (3-1-1) are provided with additional structural support beam (3-1-1-1), the additional structural support beam
It is evenly arranged on (3-1-1-1) hinge (3-1-1-2), the thickness and additional structural support beam (3-1-1- of hinge (3-1-1-2)
1) axial rigidity matches；The additional mechanical supercharging formula stator (3-1) is provided with piezoelectric element mounting groove one (3-1-1-3), bridge
The rear end of formula additional mechanical supercharging structure (3-1-1) is provided with additional structural support frame (3-1-1-4), additional structural support frame (3-1-
Supplementary structure fixation hole (3-1-1-5) is uniformly provided on 1-4)；It is set in the middle part of the side wall of the additional structural support frame (3-1-1-4)
It is equipped with the pre- tieholen one (3-1-1-6) of piezoelectric element；The front end of the driving structure (3-1-2) is provided with displacement equations structure (3-
1-2-1), displacement equations structure (3-1-2-1) includes level-one displacement equations crossbeam (3-1-2-1-1), second level displacement equations crossbeam
(3-1-2-1-2), level-one displacement equations supporting beam (3-1-2-1-3) and second level displacement equations supporting beam (3-1-2-1-4), it is described
It is provided on level-one displacement equations crossbeam (3-1-2-1-1) hinge one (3-1-2-1-5), the second level displacement equations crossbeam (3-
It is provided with hinge two (3-1-2-1-6), is arranged on the level-one displacement equations supporting beam (3-1-2-1-3) hinged on 1-2-1-2)
Chain three (3-1-2-1-7) is provided with hinge four (3-1-2-1-8), institute on the second level displacement equations supporting beam (3-1-2-1-4)
The side end for stating displacement equations structure (3-1-2-1) set by driving structure (3-1-2) is provided with driving foot (3-1-2-2),
It is engaged with moving guide rail (4-2) side wall, realizes the driving effect to moving guide rail (4-2)；The driving structure (3-1-2)
Rear end be provided with driving structure support frame (3-1-2-3), driving structure support frame (3-1-2-3) is fixed equipped with driving structure
Hole (3-1-2-4), driving structure support frame (3-1-2-3) the side wall middle part are provided with the pre- two (3-1-2- of tieholen of piezoelectric element
5)；The driving structure (3-1-2) is provided with piezoelectric element mounting groove two (3-1-2-6)；Piezoelectric stack one (3-2) is installed on pressure
In electric device mounting groove one (3-1-1-3), when piezoelectric stack one (3-2) passes to electric signal, the inverse piezoelectricity based on piezoelectric element is imitated
It answers, piezoelectric stack one (3-2) can generate axial elongation and act on bridge-type additional mechanical supercharging structure (3-1-1), and then increase driving
The normal pressure of foot (3-1-2-2) and moving guide rail (4-2) side wall, improve the driving effect of additional mechanical supercharging formula stator (3-1)；Piezoelectricity
It stacks two (3-3) to be installed in piezoelectric element mounting groove two (3-1-2-6), when piezoelectric stack two (3-3) passes to electric signal, be based on
The inverse piezoelectric effect of piezoelectric element, piezoelectric stack two (3-3) generate axial elongation and are made by displacement equations structure (3-1-2-1)
It drives foot (3-1-2-2) to generate lateral displacement, and moving guide rail (4-2) is driven to move；One side end face of gasket (3-4) and piezoelectricity
Stack one (3-2) or piezoelectric stack two (3-3) be engaged, another side end face and piezoelectric element mounting groove one (3-1-1-3) or
Piezoelectric element mounting groove two (3-1-2-6) is engaged, and realizes to the pre- of piezoelectric stack one (3-2) or piezoelectric stack two (3-3)
Tight effect, and prevent piezoelectric stack one (3-2) or (3-3) unbalance stress of piezoelectric stack two or generate shear strain.
5. additional mechanical supercharging type piezoelectricity stick-slip linear motor according to claim 4, it is characterised in that: the hinge (3-
It is 1-1-2) 0.1 ~ 0.9 with the ratio between the thickness of additional structural support beam (3-1-1-1)；Hinge one (3-1-2-1-5) and a level
Move the value range, hinge two (3-1-2-1-6) and second level displacement equations crossbeam of the ratio between thickness of amplification crossbeam (3-1-2-1-1)
Value range, hinge three (3-1-2-1-7) and the level-one displacement equations supporting beam (3-1-2- of the ratio between the thickness of (3-1-2-1-2)
Value range, the thickness of hinge four (3-1-2-1-8) and second level displacement equations supporting beam (3-1-2-1-4) of the ratio between thickness 1-3)
The value range of the ratio between degree is 0.1 ~ 0.9.
6. additional mechanical supercharging type piezoelectricity stick-slip linear motor according to claim 1, it is characterised in that: the mover assembly
It (4) include that fixed guide rail (4-1), moving guide rail (4-2), guide rail fixing glue (4-3), guide rail caging bolt (4-4) and guide rail are protected
It holds frame (4-5), the upside end face of the fixed guide rail (4-1) is equipped with countersunk head through-hole two (4-1-1), and the two of fixed guide rail (4-1)
Side end face is equipped with limit threaded hole one (4-1-2), and the upside end face of moving guide rail (4-2) is equipped with threaded hole (4-2-1), and movement is led
The both sides of the face of rail (4-2) are equipped with limit threaded hole two (4-2-2)；The guide rail fixing glue (4-3) and fixed guide rail (4-1) institute
If countersunk head through-hole two (4-1-1) cooperation, and screw and connect with guide rail fixed internal thread hole (1-1-1)；The guide rail limits spiral shell
Bolt (4-4) is screwed and is connect with limit threaded hole one (4-1-2) and limit threaded hole two (4-2-2), is realized to fixed guide rail (4-1)
With the restriction of the position moving guide rail (4-2), and the roller on guide holder (4-5) and guide holder (4-5) is avoided to skid off
Guide rail；The guide holder (4-5) and roller provide support for the sliding of mover assembly (4).
7. additional mechanical supercharging type piezoelectricity stick-slip linear motor according to claim 4, it is characterised in that: the additional mechanical supercharging
Bridge-type additional mechanical supercharging structure (3-1-1) in formula stator (3-1) is shuttle shape additional mechanical supercharging structure (3-1-3), shuttle shape additional mechanical supercharging
The rear end of structure (3-1-3) is provided with supplementary structure fixed frame (3-1-3-1), on supplementary structure fixed frame (3-1-3-1) uniformly
Equipped with additional mechanical supercharging structure fixation hole (3-1-3-2), piezoelectricity member is equipped in the middle part of the lateral wall of supplementary structure fixed frame (3-1-3-1)
The pre- tieholen three (3-1-3-3) of part；Shuttle shape additional mechanical supercharging structure (3-1-3) two sides are provided with supporting beam (3-1-3-4), support
It is uniformly provided on beam (3-1-3-4) hinge five (3-1-3-5), the ratio between hinge five (3-1-3-5) and supporting beam (3-1-3-4) thickness
Value range be 0.1 ~ 0.9；The shuttle shape additional mechanical supercharging structure (3-1-3) is provided with piezoelectric stack mounting groove (3-1-3-6).
8. additional mechanical supercharging type piezoelectricity stick-slip linear motor according to claim 4, it is characterised in that: the additional mechanical supercharging
Bridge-type additional mechanical supercharging structure (3-1-1) in formula stator (3-1) is direct-drive type additional mechanical supercharging structure (3-1-4), the direct-drive type
The front end of additional mechanical supercharging structure (3-1-4) is provided with displacement output end (3-1-4-1), and piezoelectric stack one (3-2) is generated
Axial displacement passes to driving foot (3-1-2-2), and then increases and driving foot (3-1-2-2) and moving guide rail (4-2) side wall just
Pressure, to improve the driving effect of driving structure (3-1-2)；The front end of the direct-drive type additional mechanical supercharging structure (3-1-4) is equal
Even to be provided with N layers of thin plate (3-1-4-2), wherein N is the positive integer more than or equal to 1, and the thickness of every layer of thin plate (3-1-4-2) is greater than
0.1mm；It is provided with and stacks mounting groove (3-1-4-3) in the middle part of the direct-drive type additional mechanical supercharging structure (3-1-4), direct-drive type auxiliary
The rear end pressurized construction (3-1-4) is provided with pressurized construction counter sink (3-1-4-4).
9. additional mechanical supercharging type piezoelectricity stick-slip linear motor according to claim 4, it is characterised in that: the additional mechanical supercharging
Bridge-type additional mechanical supercharging structure (3-1-1) in formula stator (3-1) can be diamond shape hinge additional mechanical supercharging structure (3-1-5), diamond shape hinge
The rear and front end of chain additional mechanical supercharging structure (3-1-5) is provided with piezoelectric element stationary plane (3-1-5-1), diamond shape hinge additional mechanical supercharging
The two sides of structure (3-1-5) are provided with hinge support beam (3-1-5-2), are uniformly provided with hinge on hinge support beam (3-1-5-2)
The value range of the ratio between chain six (3-1-5-3), hinge six (3-1-5-3) and hinge support beam (3-1-5-2) thickness be 0.1 ~
0.9；The rear end of the diamond shape hinge additional mechanical supercharging structure (3-1-5) is provided with additional structural support seat (3-1-5-4), auxiliary
Structural support seat (3-1-5-4) is equipped with supplementary structure fastener hole (3-1-5-5).
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108696179A (en) * | 2018-05-21 | 2018-10-23 | 吉林大学 | Additional mechanical supercharging type piezoelectricity stick-slip linear motor and its motivational techniques |
| CN109995266A (en) * | 2019-04-23 | 2019-07-09 | 苏州大学 | A kind of across the scale precision movement platform of combined type inertia stick-slip driving |
| CN111181437A (en) * | 2020-01-08 | 2020-05-19 | 浙江师范大学 | Variable friction driving device |
| CN114257125A (en) * | 2022-01-04 | 2022-03-29 | 长春工业大学 | Orthogonal rhombus dual-mode precise piezoelectric stick-slip rotating platform and driving method thereof |
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2018
- 2018-05-21 CN CN201820753448.4U patent/CN208299706U/en not_active Withdrawn - After Issue
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108696179A (en) * | 2018-05-21 | 2018-10-23 | 吉林大学 | Additional mechanical supercharging type piezoelectricity stick-slip linear motor and its motivational techniques |
| CN108696179B (en) * | 2018-05-21 | 2023-10-20 | 吉林大学 | Auxiliary pressurizing type piezoelectric stick-slip linear motor and excitation method thereof |
| CN109995266A (en) * | 2019-04-23 | 2019-07-09 | 苏州大学 | A kind of across the scale precision movement platform of combined type inertia stick-slip driving |
| CN109995266B (en) * | 2019-04-23 | 2020-02-18 | 苏州大学 | Combined type inertia stick-slip driving trans-scale precision motion platform |
| CN111181437A (en) * | 2020-01-08 | 2020-05-19 | 浙江师范大学 | Variable friction driving device |
| CN111181437B (en) * | 2020-01-08 | 2023-09-29 | 浙江师范大学 | Variable friction driving device |
| CN114257125A (en) * | 2022-01-04 | 2022-03-29 | 长春工业大学 | Orthogonal rhombus dual-mode precise piezoelectric stick-slip rotating platform and driving method thereof |
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