CN201918919U - Magnetostrictive inertial-impact micro linear motor - Google Patents
Magnetostrictive inertial-impact micro linear motor Download PDFInfo
- Publication number
- CN201918919U CN201918919U CN 201020687444 CN201020687444U CN201918919U CN 201918919 U CN201918919 U CN 201918919U CN 201020687444 CN201020687444 CN 201020687444 CN 201020687444 U CN201020687444 U CN 201020687444U CN 201918919 U CN201918919 U CN 201918919U
- Authority
- CN
- China
- Prior art keywords
- driver
- inner chamber
- coil
- cylinder
- giant magnetostrictive
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Abstract
The utility model relates to a magnetostrictive inertial-impact micro linear motor, which consists of a guide rail, a left driver, a moving block and a right driver, wherein the moving block is arranged on the guide rail, the structures of the left driver and the right driver are the same, the left driver is fixed at one end of the moving block and the right driver is fixed at the other end of the moving block. A linear bearing is arranged at the closed end of the inner chamber of the cylindrical shell of each driver. A spring and a mass block which are adjacent to each other are placed in the inner chamber of each linear bearing. A cylinder which is matched with the coil skeleton on which a coil is installed is arranged at the other end of the inner chamber of the cylindrical shell. A Terfenol-D giant magnetostrictive bar is in sliding fit with the center of the coil skeleton. One end of the giant magnetostrictive bar resists the mass block and the other end of the giant magnetostrictive bar resists the moving block. A power supply outputs current to the coil according to saw-tooth current signals. The magnetostrictive inertial-impact micro linear motor realizes conversion from electromagnetic energy to mechanical energy through the giant magnetostrictive bars, and has the advantages of strong driving capacity, fast speed, large travel and precise positioning.
Description
Technical field
The utility model relates to a kind of micromachine, particularly a kind of magnetostriction type inertia impact miniature linear.
Background technology
The inertia impact motor is to utilize inertia impact to realize a kind of micro drives mechanism of accurate displacement, and it has, and range of movement is big, displacement resolution is high, advantage of simple structure, and can realize accurately location when carrying out step motion.At present, the inertia impact motor has obtained Preliminary Applications in fields such as bioengineering, miniature parts operation and assembling, robot and medicine equipments.
Existing inertia impact miniature linear generally adopts piezoelectric to drive, and just utilizes the piezoceramics crystal inverse piezoelectric effect, and electric energy is converted into mechanical energy.Piezoelectric type inertia impact miniature linear is also referred to as the piezoelectric micromotor motor, is to utilize the quick distortion of piezoelectric when rapid energising to produce inertia impact, forms a kind of micro drives mechanism that driving force realizes accurate displacement then.
But because the deficiency that piezoelectric exists that deflection is little, power density is little, high voltage drive, electrode easily puncture, cause that existing piezoelectric type inertia impact miniature linear exists that movement velocity is slow, load capacity is weak, the problem of high voltage drive, poor reliability, thereby use and be restricted.
The utility model content
The purpose of this utility model provides that a kind of ability that drives load is strong, speed is fast, stroke is big, the location is accurate, the magnetostriction type inertia impact miniature linear of low voltage drive.
The technical solution of the utility model is: a kind of magnetostriction type inertia impact miniature linear, by guide rail, left side driver, moving mass and right driver are formed, described guide rail is that two ends are fixed on two poles arranged side by side on the base, described moving mass is that two ends are big, middle little cylinder combination, moving mass is slidingly matched and is placed on two poles arranged side by side, the structure of described left driver and right driver is identical, the circular cylindrical shell of left side driver is fixed on an end of moving mass by securing member, and the circular cylindrical shell of right driver is fixed on the other end of moving mass by securing member; Be provided with linear bearing at circular cylindrical shell inner chamber blind end, near spring and mass places the linear bearing inner chamber mutually; The other end at the circular cylindrical shell inner chamber is provided with the cylinder that cooperates with inner chamber, and the blind end of cylinder is near linear bearing, and the open end of cylinder is provided with end cap, and the inner chamber of cylinder is provided with the coil rack that coil is installed; The central slide of coil rack cooperates installs the Terfenol-D giant magnetostrictive rod, and the bottom outlet that an end of giant magnetostrictive rod passes cylinder withstands mass, and the centre bore that the other end of giant magnetostrictive rod passes end cap withstands moving mass; Described coil is connected with power supply, and power supply is pressed the saw-tooth current signal to the coil output current.
After the coil of left side driver is switched on by saw-tooth current signal shown in Figure 4, produce magnetic field, giant magnetostrictive rod, cylinder, end cap are magnetic conductive material and form closed magnetic circuit, cause giant magnetostrictive rod moment generation elongation strain, thereby promote mass fast to left movement; Because the effect of inertia impact, moving mass is pushed to right motion together with whole inertia impact miniature linear.If after the coil of right driver was switched on by saw-tooth current signal shown in Figure 4, then moving mass was pushed to left movement together with whole inertia impact miniature linear by inertia.
Spring provides certain precompression, can eliminate the gap.Simultaneously, the electric current on coil reduces, and when giant magnetostrictive rod shortened, spring forced the mass return, and mass is closely contacted with giant magnetostrictive rod all the time.The effect of linear bearing is the resistance when reducing the mass motion; Moving mass, circular cylindrical shell, coil rack, mass, guide rail are the non-magnetic material.
The beneficial effects of the utility model are:
1, rare earth ultra-magnetostriction material is a kind of new function material, can realize the conversion of electromagnetic energy and mechanical energy effectively, has that deflection is big, power output is big, energy density is big, electromechanical coupling factor is big, response speed is fast, the characteristics of low voltage drive;
2, compare with existing piezoelectric type inertia impact miniature linear, the ability that the utility model drives load is strong, speed fast, low voltage drive;
3. the utlity model has that range of movement is big, resolution can reach nanoscale, simple in structure, advantage that parts are Miniaturized, and can when carrying out step motion, realize accurately locating.Can obtain extensive use in fields such as bioengineering, miniature parts operation and assembling, robot and medicine equipments.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is the left view of Fig. 1.
Fig. 4 is the saw-tooth current signal schematic representation of power supply to the coil output current.
Embodiment
Below in conjunction with drawings and Examples the utility model is further specified.
Embodiment is shown in accompanying drawing 1-4: a kind of magnetostriction type inertia impact miniature linear, by guide rail, left side driver, moving mass and right driver are formed, described guide rail is that two ends are fixed on two poles 6 arranged side by side on the base 11, described moving mass 5 is that two ends are big, middle little cylinder combination, moving mass 5 is slidingly matched and is placed on two poles 6 arranged side by side, the structure of described left driver and right driver is identical, the circular cylindrical shell 1 of left side driver is fixed on an end of moving mass 5 by securing member, and the circular cylindrical shell 1 of right driver is fixed on the other end of moving mass 5 by securing member; Be provided with linear bearing 10 at circular cylindrical shell 1 inner chamber blind end, near spring 12 and mass 2 places linear bearing 10 inner chambers mutually; The other end at circular cylindrical shell 1 inner chamber is provided with the cylinder 4 that cooperates with inner chamber, and the blind end of cylinder 4 is near linear bearing 10, and the open end of cylinder 4 is provided with end cap 7, and the inner chamber of cylinder 4 is provided with the coil rack 8 that coil 9 is installed; The central slide of coil rack 8 cooperates the Terfenol-D giant magnetostrictive rod 3 that rareearth super magnetostrictive is installed, the bottom outlet that one end of giant magnetostrictive rod 3 passes cylinder 4 withstands mass 2, and the centre bore that the other end of giant magnetostrictive rod 3 passes end cap 7 withstands moving mass 5.Coil 9 is connected with power supply, and power supply is pressed saw-tooth current signal shown in Figure 4 to coil (9) output current.
After the coil of left side driver is switched on by saw-tooth current signal shown in Figure 4, produce magnetic field, giant magnetostrictive rod 3, cylinder 4, end cap 7 are magnetic conductive material and form closed magnetic circuit, cause giant magnetostrictive rod 3 moments generation elongation strain, thereby promote mass 2 fast to left movement; Because the effect of inertia impact, moving mass 5 is pushed to right motion together with whole magnetostriction type inertia impact miniature linear.If after the coil of right driver was switched on by saw-tooth current signal shown in Figure 4, then moving mass 5 was pushed to left movement together with whole magnetostriction type inertia impact miniature linear.
Claims (1)
1. magnetostriction type inertia impact miniature linear, it is characterized in that: magnetostriction type inertia impact miniature linear is by guide rail, left side driver, moving mass and right driver are formed, described guide rail is that two ends are fixed on upward two poles (6) arranged side by side of base (11), described moving mass (5) is that two ends are big, middle little cylinder combination, moving mass (5) is slidingly matched and is placed on two poles (6) arranged side by side, the structure of described left driver and right driver is identical, the circular cylindrical shell (1) of left side driver is fixed on an end of moving mass (5) by securing member, and the circular cylindrical shell of right driver (1) is fixed on the other end of moving mass (5) by securing member; Be provided with linear bearing (10) at circular cylindrical shell (1) inner chamber blind end, near spring (12) and mass (2) places linear bearing (10) inner chamber mutually; The other end at circular cylindrical shell (1) inner chamber is provided with the cylinder (4) that cooperates with inner chamber, the blind end of cylinder (4) is near linear bearing (10), the open end of cylinder (4) is provided with end cap (7), and the inner chamber of cylinder (4) is provided with the coil rack (8) that coil (9) is installed; The central slide of coil rack (8) cooperates installs Terfenol-D giant magnetostrictive rod (3), the bottom outlet that one end of giant magnetostrictive rod (3) passes cylinder (4) withstands mass (2), and the centre bore that the other end of giant magnetostrictive rod (3) passes end cap (7) withstands moving mass (5); Described coil (9) is connected with power supply, and power supply is pressed the saw-tooth current signal to coil (9) output current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020687444 CN201918919U (en) | 2010-12-29 | 2010-12-29 | Magnetostrictive inertial-impact micro linear motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020687444 CN201918919U (en) | 2010-12-29 | 2010-12-29 | Magnetostrictive inertial-impact micro linear motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201918919U true CN201918919U (en) | 2011-08-03 |
Family
ID=44418707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020687444 Expired - Fee Related CN201918919U (en) | 2010-12-29 | 2010-12-29 | Magnetostrictive inertial-impact micro linear motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201918919U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102005964A (en) * | 2010-12-29 | 2011-04-06 | 南昌工程学院 | Magnetostriction type inertial impact micro linear motor |
-
2010
- 2010-12-29 CN CN 201020687444 patent/CN201918919U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102005964A (en) * | 2010-12-29 | 2011-04-06 | 南昌工程学院 | Magnetostriction type inertial impact micro linear motor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103001392B (en) | Swinging driving device based on electromagnetic energy and permanent magnetic energy hybrid | |
| CN208782740U (en) | A kind of asymmetric piezoelectricity straight line driver of plow-shape structure | |
| CN112713807B (en) | Bistable vortex-induced vibration energy capture device based on internal resonance | |
| CN202839195U (en) | Novel electromagnetic driving mechanism | |
| CN102005964B (en) | Magnetostriction type inertial impact micro linear motor | |
| CN102983778A (en) | Electric rotating machine based on super magnetostriction material | |
| CN201918919U (en) | Magnetostrictive inertial-impact micro linear motor | |
| CN106787935B (en) | A kind of inertia non-resonant biped piezoelectric straight line actuator | |
| CN103684039A (en) | Magnetostrictive inertial impact driver | |
| CN102118119A (en) | Precision linear motor with giant magnetostrictive rare earth rod as drive source | |
| CN201913644U (en) | Muscle bionic driving device based on electromagnetic force | |
| CN206294100U (en) | A kind of inertia non-resonant biped piezoelectric straight line actuator | |
| CN203608110U (en) | Magnetostriction-type inertial impact driver | |
| CN202228768U (en) | Device for rapidly controlling valve displacement through electric signals | |
| CN204928621U (en) | Inertia strikes sharp driver based on terfenol -D thin slice | |
| CN109217608A (en) | Multi-point contact low frequency electromagnetic energy collecting system | |
| CN101436811A (en) | Novel permanent magnetic machine | |
| CN103457438B (en) | A kind of iron core magnetic keeps the method for designing of parallel step actuator | |
| CN213637443U (en) | Galfenol alloy driven double-inertia impact type precise stepping micro linear motor | |
| CN103684040B (en) | Magnetostrictive inertial impact rotating driver | |
| CN203608111U (en) | Magnetostriction-type inertial impact rotation driver | |
| CN201667601U (en) | Linear motor | |
| CN204928620U (en) | Accurate sharp driver based on galfenol thin slice | |
| CN112510961A (en) | Galfenol alloy driven double-inertia impact type precise stepping micro linear motor | |
| CN201556497U (en) | Small-scale power coil structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110803 Termination date: 20111229 |