CN111974483B - Experimental platform applied to magnetic bearing-rotor - Google Patents
Experimental platform applied to magnetic bearing-rotor Download PDFInfo
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- CN111974483B CN111974483B CN202010867640.8A CN202010867640A CN111974483B CN 111974483 B CN111974483 B CN 111974483B CN 202010867640 A CN202010867640 A CN 202010867640A CN 111974483 B CN111974483 B CN 111974483B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L9/00—Supporting devices; Holding devices
- B01L9/02—Laboratory benches or tables; Fittings therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/08—Filter cloth, i.e. woven, knitted or interlaced material
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/04—Bearings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2300/00—Additional constructional details
- B01L2300/06—Auxiliary integrated devices, integrated components
- B01L2300/0681—Filter
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- General Physics & Mathematics (AREA)
- Magnetic Bearings And Hydrostatic Bearings (AREA)
Abstract
The invention discloses an experimental platform applied to a magnetic bearing-rotor, which comprises a working plate table, a material preparation structure, an adjusting structure and a circulating structure, wherein the working plate table is arranged on the working plate table; work board table: the left side surface of the workbench is respectively provided with a bracket and a support plate, the support plate is positioned at the rear side of the bracket, the step surface at the rear end of the workbench and the upper surface of the support plate are fixedly connected with the lower surface of the linear motor, the upper surface of a rotor seat of the linear motor is provided with an electric push rod, the upper end head of a telescopic end of the electric push rod is provided with a connecting plate, the front side of the lower surface of the connecting plate is provided with a chuck, the inside of a clamping hole at the lower surface of the chuck is provided with an electromagnet, and four corners of the lower surface of the workbench are uniformly provided with upper supporting legs; the material preparation structure comprises: the device is arranged on the upper surface of the bracket; the experimental platform applied to the magnetic bearing-rotor is convenient for adjusting the position of the rotor for material preparation, so that the subsequent laboratory material taking of the rotor is more convenient and quick, and the height of the working plate table is also convenient to adjust.
Description
Technical Field
The invention relates to the technical field of magnetic bearings, in particular to an experimental platform applied to a magnetic bearing-rotor.
Background
The magnetic bearing is a novel high-performance bearing, compared with the traditional ball bearing, the sliding bearing and the oil film bearing, the magnetic bearing has no mechanical contact, the rotor can reach very high running speed, the magnetic bearing has the advantages of small mechanical abrasion, low energy consumption, small noise, long service life, no need of lubrication, no oil pollution and the like, is particularly suitable for special environments such as high speed, vacuum, ultra-clean and the like, can be widely used in the fields of mechanical processing, turbomachinery, aerospace, vacuum technology, rotor dynamics characteristic identification, test and the like, is recognized as a very promising novel bearing, the rotor refers to a rotating body supported by the bearing, an optical disc and other objects without a rotating shaft, and when the magnetic bearing is in rigid connection or an additional shaft, the rotor can be regarded as a rotor, and the rotor usually needs to be subjected to continuous experiments to obtain various data of the rotor in production.
Disclosure of Invention
The invention aims to overcome the existing defects, provides an experimental platform applied to a magnetic bearing-rotor, is convenient for adjusting the position of the rotor for preparing materials, enables the subsequent laboratory material taking of the rotor to be more convenient and quicker, is convenient for adjusting the height of a working plate table, ensures the flatness of the working plate table, can accelerate the flow of air on the upper surface of the working plate table, enables the heat dissipation of an instrument in the experiment to be faster, can clean the upper surface of the working plate table, and can effectively solve the problems in the background art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the experimental platform applied to the magnetic bearing-rotor comprises a working plate table, a material preparation structure, an adjusting structure and a circulating structure;
work board table: the left side surface of the workbench is respectively provided with a bracket and a support plate, the support plate is positioned at the rear side of the bracket, the step surface at the rear end of the workbench and the upper surface of the support plate are fixedly connected with the lower surface of the linear motor, the upper surface of a rotor seat of the linear motor is provided with an electric push rod, the upper end head of a telescopic end of the electric push rod is provided with a connecting plate, the front side of the lower surface of the connecting plate is provided with a chuck, the inside of a clamping hole at the lower surface of the chuck is provided with an electromagnet, and four corners of the lower surface of the workbench are uniformly provided with upper supporting legs;
the material preparation structure comprises: the device is arranged on the upper surface of the bracket;
and (3) an adjusting structure: the lower ends of the upper supporting legs are respectively provided with an adjusting structure, the lower ends of the adjusting structures are respectively provided with a lower supporting leg, and the lower surfaces of the lower supporting legs are respectively provided with a backing plate;
the circulation structure is as follows: the device is arranged on the lower surface of the working plate table;
wherein: still include the PLC controller, the PLC controller sets up in the leading flank right-hand member of work pallet, the external power source is connected to the input electricity of PLC controller, the output of PLC controller is all connected to linear electric motor, electric putter and electro-magnet's input electricity, be convenient for adjust the rotor position of prepareeing material, make follow-up carry out laboratory to the rotor get material convenient and fast more, still be convenient for simultaneously to the regulation of work pallet height, guarantee the planarization of work pallet, can also accelerate the flow of work pallet upper surface air, the instrument heat dissipation when making the experiment is faster, can also clean the upper surface of work pallet.
Further, the material preparation structure comprises a U-shaped cylinder, a rotary table and a rotary column, wherein the U-shaped cylinder is arranged in the middle of the upper surface of the support, the rotary column is rotationally connected to the middle of the inner bottom surface of the U-shaped cylinder, the upper surface of the rotary column is fixedly connected with the middle of the lower surface of the rotary table, and the upper surface of the rotary table is uniformly provided with placing holes so as to facilitate adjustment of the position of a rotor for material preparation.
Further, the front end of the inner bottom surface of the U-shaped barrel is rotationally connected with a driving plate through a pin shaft, the edge of the driving plate penetrates through an opening at the front side of the U-shaped barrel and is positioned outside the U-shaped barrel, and a tooth slot meshed with the tooth at the upper end of the rotary column is formed in the outer cambered surface of the driving plate, so that the driving plate can be rotated conveniently and the rotary table can be driven conveniently.
Further, the material preparation structure further comprises a chute, a limit groove, a push rod and a spring, wherein the chute is arranged on the lower surface of the rotary table, the chute is annular, the limit groove is uniformly formed in the chute, the spring is arranged in a round hole formed in the upper surface of the protrusion of the bottom surface of the U-shaped cylinder, the push rod is arranged at the upper end of the spring, the push rod is in sliding connection with the inner wall of the round hole formed in the upper surface of the protrusion of the bottom surface of the U-shaped cylinder, the upper end of the push rod is spherical, the upper end of the push rod is in sliding connection with the chute, and a certain limit effect is achieved on the rotary table.
Further, the adjusting structure comprises a rotating shaft, a plane bearing, a T-shaped supporting block and a screw rod, wherein the lower ends of the upper supporting legs are rotationally connected with the upper surface of the T-shaped supporting block through the rotating shaft, the upper surface of the T-shaped supporting block is provided with the plane bearing, the upper ends of the plane bearing are respectively in contact with the lower surfaces of the corresponding upper supporting legs, screw rods are in threaded connection with the threaded holes of the lower ends of the T-shaped supporting blocks, the lower ends of the screw rods are fixedly connected with lower supporting legs, sliding holes in the middle of the lower supporting legs are respectively in sliding connection with the rod bodies of the lower ends of the corresponding T-shaped supporting blocks, and accordingly the height of a working board is conveniently adjusted, and the flatness of the working board is guaranteed.
Further, the left and right sides of upper landing leg all is provided with the draw runner board, and the left and right sides of lower landing leg all is provided with the slider, and the inner wall and the vertical slider sliding connection that corresponds of draw runner board prevent to go up landing leg and lower landing leg dislocation during the regulation.
Further, circulation structure includes air outlet tank, draught fan, strain dirt cloth, dust collection box and air inlet tank, the lower surface of working plate platform is provided with draught fan and dust collection box respectively, the draught fan is located the left side of dust collection box, the inside of dust collection box is provided with strain dirt cloth, the air intake of draught fan passes through the inside intercommunication of pipeline and dust collection box, the left and right sides of working plate platform is provided with air outlet tank and air inlet tank respectively, the lower extreme of air outlet tank passes through the air outlet of pipeline and draught fan and links to each other, the lower extreme of air inlet tank passes through the inside intercommunication of pipeline and dust collection box, the output of PLC controller is connected to the input electricity of draught fan, the instrument heat dissipation when making the experiment is faster, can also clean working plate platform.
Further, the edge of the upper surface of the working plate table is provided with a baffle ring, the lower ends of the left and right inner walls of the baffle ring are respectively provided with an opening, and the openings are respectively communicated with the air outlet groove and the air inlet groove to prevent the rotor on the upper surface of the working plate table from falling.
Further, glass windows are arranged at the openings of the front ends of the strip-shaped grooves in the middle of the front side surface of the working plate table in a sealing mode, scale marks are symmetrically arranged at the left end and the right end of the front side surface of the glass windows, and whether the working plate table is horizontal or not is conveniently observed.
Compared with the prior art, the invention has the beneficial effects that: the experimental platform applied to the magnetic bearing-rotor has the following advantages:
1. the rotor to be tested is placed in the inside of the placing hole evenly arranged on the upper surface of the rotary table respectively, the driving plate is connected with the front end of the inner bottom surface of the U-shaped cylinder in a rotating way through a pin shaft, the edge of the driving plate penetrates through the opening of the front side of the U-shaped cylinder and is positioned outside the U-shaped cylinder, the tooth groove meshed with the tooth at the upper end of the rotary column is formed in the outer cambered surface of the driving plate, the rotary column is rotationally connected with the middle part of the inner bottom surface of the U-shaped cylinder, the driving plate is stirred, so that the rotary column is rotated, the rotary table is driven to rotate, the upper end of the ejector rod is slidingly connected with the sliding groove, the spring is contracted, the ejector rod corresponds to the limiting groove evenly arranged inside the sliding groove after the rotary table rotates to a certain angle, the spring is contracted and bounces up, the ejector rod is pushed to the inside the limiting groove, and at the moment, the ejector rod has a certain limiting effect, and the placing hole evenly arranged on the upper surface of the rotary table is in a horizontal state, so that subsequent material is taken.
2. The lower extreme of going up the landing leg all rotates through the upper surface of pivot and T type supporting shoe to be connected, rotatory T type supporting shoe, the screw rod threaded connection of the fixed setting in inside lower extreme screw hole and the lower landing leg middle part slide hole bottom of T type supporting shoe, T type supporting shoe and lower landing leg middle part slide hole sliding connection, T type supporting shoe upwards slides along lower landing leg middle part slide hole when T type supporting shoe rotates, the upper surface of T type supporting shoe all is provided with plane bearing, the frictional force that produces with last landing leg when reducing the regulation T type supporting shoe and rotate, be convenient for to the regulation of work pallet height, guarantee the planarization of work pallet, the inner wall and the vertical slider sliding connection that corresponds of slipway board, go up landing leg and lower landing leg dislocation when preventing the regulation.
3. Through the work of PLC controller control draught fan, because the air intake of draught fan passes through the inside intercommunication of pipeline and dust collection box, the lower extreme of giving vent to anger the groove passes through the pipeline and links to each other with the air outlet of draught fan, the lower extreme of air inlet groove passes through the inside intercommunication of pipeline and dust collection box to accelerate the flow of work bench upper surface air, the instrument heat dissipation when making the experiment is faster, can also inhale the inside of dust collection box with the dust of work bench upper surface simultaneously, the inside of dust collection box is provided with the dust filtering cloth, can prevent that the dust from getting into the draught fan.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic diagram of a front cross-sectional structure of the present invention;
FIG. 3 is a schematic view of a part of a stock structure of the present invention in cross section.
In the figure: the device comprises a working plate table 1, a material preparation structure 2, a driving plate 21, a U-shaped cylinder 22, a sliding groove 23, a limiting groove 24, a rotating disk 25, a rotating column 26, a supporting rod 27, a spring 28, an adjusting structure 3, a rotating shaft 31, a plane bearing 32, a T-shaped supporting block 33, a screw rod 34, a sliding groove plate 35, a sliding block 36, a circulating structure 4, a gas outlet groove 41, a induced draft fan 42, a dust filtering cloth 43, a dust collection box 44, a gas inlet groove 45, a bracket 5, a bracket 6, a linear motor 7, an electric push rod 8, a connecting plate 9, a clamping head 10, a baffle ring 11, an upper supporting leg 12, a lower supporting leg 13, a backing plate 14, a glass window 15, a scale mark 16 and a PLC 17.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-3, the present invention provides a technical solution: the experimental platform applied to the magnetic bearing-rotor comprises a working plate table 1, a material preparation structure 2, an adjusting structure 3 and a circulating structure 4;
work plate table 1: the left side surface of the workbench is respectively provided with a bracket 5 and a support plate 6, the support plate 6 is positioned at the rear side of the bracket 5, the step surface at the rear end of the workbench 1 and the upper surface of the support plate 6 are fixedly connected with the lower surface of the linear motor 7, the upper surface of a rotor seat of the linear motor 7 is provided with an electric push rod 8, the end head of the telescopic end of the electric push rod 8 is provided with a connecting plate 9, the front side of the lower surface of the connecting plate 9 is provided with a chuck 10, the interior of a clamping hole of the lower surface of the chuck 10 is provided with an electromagnet, four corners of the lower surface of the workbench 1 are uniformly provided with upper supporting legs 12, the PLC 17 controls the linear motor 7 to work, drives an upper end structure to move to a position corresponding to the longitudinal direction of a rotor, the PLC 17 controls the telescopic end of the electric push rod 8 to shrink, drives the chuck 10 arranged at the front side of the lower surface of the connecting plate 9 to move downwards, when the chuck 10 corresponds to the rotor on the upper surface of the turntable 25, the PLC 17 controls the electromagnet in the lower surface of the chuck 10 to suck the rotor, the PLC 8 and the linear motor 7 to work, the sucked rotor is prevented from moving to a proper experimental station, and the worker is prevented from dropping down to the constructor and the upper surface of the support plate 6 is provided with a support structure for the support plate 6;
material preparation structure 2: the material preparation structure 2 comprises a U-shaped cylinder 22, a rotary table 25 and a rotary column 26, wherein the U-shaped cylinder 22 is arranged in the middle of the upper surface of the support 5, the rotary column 26 is rotationally connected in the middle of the inner bottom surface of the U-shaped cylinder 22, the upper surface of the rotary column 26 is fixedly connected with the middle of the lower surface of the rotary table 25, the upper surface of the rotary table 25 is uniformly provided with a placing hole, the front end of the inner bottom surface of the U-shaped cylinder 22 is rotationally connected with a driving plate 21 through a pin roll, the edge of the driving plate 21 passes through an opening at the front side of the U-shaped cylinder 22 and is positioned outside the U-shaped cylinder 22, the outer cambered surface of the driving plate 21 is provided with a tooth slot meshed with the tooth at the upper end of the rotary column 26, the material preparation structure 2 also comprises a chute 23, a limiting groove 24, a push rod 27 and a spring 28, the chute 23 is arranged on the lower surface of the rotary table 25, the chute 23 is annular, the inside of the chute 23 is uniformly provided with the limiting groove 24, the spring 28 is arranged in a round hole arranged on the upper surface of the bulge of the inner bottom surface of the U-shaped cylinder 22, the upper end of the spring 28 is provided with a push rod 27, the push rod 27 is in sliding connection with the inner wall of a round hole formed in the upper surface of the bulge of the inner bottom surface of the U-shaped barrel 22, the upper end of the push rod 27 is spherical, the upper end of the push rod 27 is in sliding connection with the chute 23, rotors to be tested are respectively placed in placing holes uniformly formed in the upper surface of the turntable 25, the driving plate 21 is in rotating connection with the front end of the inner bottom surface of the U-shaped barrel 22 through a pin shaft, the edge of the driving plate 21 passes through an opening in the front side of the U-shaped barrel 22 and is positioned outside the U-shaped barrel 22, the outer cambered surface of the driving plate 21 is provided with a tooth socket meshed with the tooth at the upper end of the rotary column 26, the rotary column 26 is in rotating connection with the middle part of the inner bottom surface of the U-shaped barrel 22, the driving plate 21 is stirred, so that the rotary column 26 is rotated to drive the turntable 25 to rotate, the upper end of the push rod 27 is in sliding connection with the chute 23, at the moment, the spring 28 is contracted, when the turntable 25 rotates to a certain angle, the ejector rods 27 correspond to the limiting grooves 24 uniformly arranged in the sliding grooves 23, the springs 28 shrink and spring up at the moment, the ejector rods 27 are ejected to the inside of the limiting grooves 24, at the moment, the ejector rods 27 play a certain limiting role, and a row of placing holes uniformly arranged on the upper surface of the turntable 25 are in a horizontal state, so that the follow-up material taking is facilitated;
adjusting structure 3: the lower ends of the upper supporting legs 12 are respectively provided with an adjusting structure 3, the lower ends of the adjusting structures 3 are respectively provided with a lower supporting leg 13, the lower surfaces of the lower supporting legs 13 are respectively provided with a backing plate 14, the adjusting structure 3 comprises a rotating shaft 31, a plane bearing 32, a T-shaped supporting block 33 and a screw rod 34, the lower ends of the upper supporting legs 12 are respectively and rotatably connected with the upper surfaces of the T-shaped supporting blocks 33 through the rotating shaft 31, the upper surfaces of the T-shaped supporting blocks 33 are respectively provided with a plane bearing 32, the upper ends of the plane bearings 32 are respectively contacted with the lower surfaces of the corresponding upper supporting legs 12, screw rods 34 are respectively and threadedly connected with threaded holes at the lower ends of the inner parts of the T-shaped supporting blocks 33, the lower ends of the screw rods 34 are respectively and fixedly connected with the lower supporting legs 13, sliding holes at the middle parts of the lower supporting legs 13 are respectively and rotatably connected with the upper surfaces of the T-shaped supporting blocks 33 through the rotating shaft 31, the T-shaped supporting block 33 is rotated, screw rods 34 fixedly arranged on the bottoms of middle sliding holes of the lower supporting legs 13 are connected with screw threads at the lower end screw holes in the inner parts of the T-shaped supporting block 33, the T-shaped supporting block 33 is connected with the middle sliding holes of the lower supporting legs 13 in a sliding mode, the T-shaped supporting block 33 slides upwards along the middle sliding holes of the lower supporting legs 13 while rotating, flat bearings 32 are arranged on the upper surfaces of the T-shaped supporting block 33, friction force generated between the T-shaped supporting block 33 and the upper supporting legs 12 during adjustment is reduced, the height of the workbench 1 is convenient to adjust, the flatness of the workbench 1 is guaranteed, sliding groove plates 35 are arranged on the left side surface and the right side surface of the upper supporting legs 12, sliding blocks 36 are arranged on the left side surface and the right side surface of the lower supporting legs 13, and the inner walls of the sliding groove plates 35 are connected with the vertically corresponding sliding blocks 36 in a sliding mode, and dislocation between the upper supporting legs 12 and the lower supporting legs 13 during adjustment is prevented;
circulation structure 4: the circulating structure 4 is arranged on the lower surface of the working platform 1, the circulating structure 4 comprises an air outlet groove 41, an induced draft fan 42, dust filtering cloth 43, a dust collection box 44 and an air inlet groove 45, the lower surface of the working platform 1 is respectively provided with the induced draft fan 42 and the dust collection box 44, the induced draft fan 42 is positioned on the left side of the dust collection box 44, the dust filtering cloth 43 is arranged in the dust collection box 44, an air inlet of the induced draft fan 42 is communicated with the inside of the dust collection box 44 through a pipeline, the left side and the right side of the working platform 1 are respectively provided with the air outlet groove 41 and the air inlet groove 45, the lower end of the air outlet groove 41 is connected with an air outlet of the induced draft fan 42 through a pipeline, the lower end of the induced draft fan 42 is communicated with the inside of the dust collection box 44 through a pipeline, and therefore the flow of air on the upper surface of the working platform 1 is accelerated, the lower end of the induced draft fan 41 can be connected with an air outlet of the air inlet groove 42 through a pipeline, the lower end of the air inlet groove 45 is communicated with the inside of the dust collection box 44 through a pipeline, and the dust collection box 44 is prevented from entering the dust collection box 44 through the dust collection box 44, and the dust collection box 44 can be prevented from entering the dust collection box 44 through the dust collector 43;
wherein: still include PLC controller 17, PLC controller 17 sets up in the leading flank right-hand member of work bench 1, and the external power source is connected to the input electricity of PLC controller 17, and the output of PLC controller 17 is all connected to draught fan 42, linear electric motor 7, electric putter 8 and electro-magnet's input electricity, guarantees the normal operating of each structural circuit.
Wherein: the upper surface edge department of work pallet 1 is provided with baffle ring 11, and the inner wall lower extreme all is provided with the opening about baffle ring 11, and the opening communicates with each other with air outlet groove 41 and air inlet groove 45 respectively, and baffle ring 11 can prevent that the rotor of work pallet 1 upper surface from dropping.
Wherein: the glass window 15 is arranged at the front end opening part of the strip-shaped groove in the middle of the front side surface of the working plate table 1 in a sealing manner, scale marks 16 are symmetrically arranged at the left end and the right end of the front side surface of the glass window 15, quantitative water is introduced into the strip-shaped groove in the middle of the front side surface of the working plate table 1, the glass window 15 is arranged at the front end opening part of the strip-shaped groove in a sealing manner, the scale marks 16 are symmetrically arranged at the left end and the right end of the front side surface of the glass window 15, and whether the working plate table 1 is flat or not is judged by observing the water levels at the left side and the right side of the inside so as to be convenient for timely adjustment.
When in use: a fixed amount of water is introduced into a strip-shaped groove in the middle of the front side surface of the working plate table 1, a glass window 15 is hermetically arranged at the opening of the front end of the strip-shaped groove, scale marks 16 are symmetrically arranged at the left and right ends of the front side surface of the glass window 15, whether the working plate table 1 is flat or not is judged by observing the water levels at the left and right sides of the inside, the working plate table is convenient to adjust in time, the lower end of an upper supporting leg 12 is rotationally connected with the upper surface of a T-shaped supporting block 33 through a rotating shaft 31, a screw hole at the lower end of the inner part of the T-shaped supporting block 33 is rotationally connected with a screw rod 34 fixedly arranged at the bottom surface of a sliding hole in the middle of a lower supporting leg 13, the T-shaped supporting block 33 is slidingly connected with the sliding hole in the middle of the lower supporting leg 13, the T-shaped supporting block 33 slides upwards along the sliding hole in the middle of the lower supporting leg 13 while the T-shaped supporting block 33 rotates, a plane bearing 32 is arranged on the upper surface of the T-shaped supporting block 33, the friction force generated by the T-shaped supporting block 33 and the upper supporting leg 12 during the rotation of the T-shaped supporting block during the adjustment is reduced, the height adjustment of the working board table 1 is facilitated, the flatness of the working board table 1 is ensured, the inner wall of the chute plate 35 is in sliding connection with the vertically corresponding sliding blocks 36, the dislocation of the upper supporting leg 12 and the lower supporting leg 13 during the adjustment is prevented, the rotors to be tested are respectively arranged in the placing holes uniformly arranged on the upper surface of the turntable 25, the driving plate 21 is in rotating connection with the front end of the inner bottom surface of the U-shaped barrel 22 through a pin shaft, the edge of the driving plate 21 passes through the opening on the front side of the U-shaped barrel 22 and is positioned outside the U-shaped barrel 22, the outer cambered surface of the driving plate 21 is provided with tooth grooves meshed with the upper end teeth of the rotating column 26, the rotating column 26 is in rotating connection with the middle part of the inner bottom surface of the U-shaped barrel 22, the driving plate 21 is rotated, thereby the rotating column 26 is driven to rotate, the upper end of the turntable 25 is further driven to rotate, the ejector rod 27 is in sliding connection with the sliding groove 23, at the moment, the spring 28 is contracted, when the turntable 25 rotates to a certain angle, the ejector rod 27 corresponds to the limiting groove 24 uniformly arranged in the sliding groove 23, the spring 28 contracts and bounces up, the ejector rod 27 is ejected to the inside of the limiting groove 24, at the moment, the ejector rod 27 plays a certain limiting role, a row of placing holes uniformly formed in the upper surface of the turntable 25 are in a horizontal state, subsequent material taking is facilitated, meanwhile, the PLC controller 17 controls the linear motor 7 to work, the upper end structure is driven to move to a position longitudinally corresponding to the rotor, the PLC controller 17 controls the telescopic end of the electric push rod 8 to contract, the clamping head 10 arranged on the front side of the lower surface of the connecting plate 9 is driven to move downwards, when the clamping head 10 corresponds to the rotor on the upper surface of the turntable 25, the PLC controller 17 controls the electric push rod 8 and the linear motor 7 to work, the electromagnet is powered off, the sucked rotor is moved to a proper experiment station, manual operation is reduced, the error is avoided, the air inlet of the induced draft fan 42 is controlled to work through the PLC controller 17 to be communicated with the inside of the dust collection box 44, the lower end of the air outlet pipe 41 is controlled to be in a pipeline, the lower end of the air outlet pipe 41 is connected with the dust collection box 45 through the air inlet box 45, and the dust collection box 1 can be sucked into the dust collection box 1 through the dust collection box, and the dust collection box is prevented from being sucked into the dust collection box 1.
It should be noted that the electromagnet disclosed in this embodiment may be an electromagnet of model ZYE-P30/22 of Yongqing electric company, taizhou Taier electric company, T-CZR-2.5, the induced draft fan 42 may be an alternating current push rod of model JK-JP3 of electric motor technology, taizhou electric motor technology, beijing, the linear motor 7 can be DLMF-04 linear motor, which is available in Guangzhou city, and the core chip of the PLC controller 17 is a PLC singlechip, the specific model is Siemens S7-200, and the PLC controller 17 controls the induced draft fan 42, the linear motor 7, the electric push rod 8 and the electromagnet to work by adopting a method commonly used in the prior art.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. Be applied to experimental platform of magnetic bearing-rotor, its characterized in that: comprises a working board table (1), a material preparation structure (2), an adjusting structure (3) and a circulating structure (4);
work bench (1): the left side face of the workbench is respectively provided with a bracket (5) and a support plate (6), the support plate (6) is positioned at the rear side of the bracket (5), the step face at the rear end of the workbench (1) and the upper surface of the support plate (6) are fixedly connected with the lower surface of the linear motor (7), the upper surface of a rotor seat of the linear motor (7) is provided with an electric push rod (8), the upper end head of a telescopic end of the electric push rod (8) is provided with a connecting plate (9), the front side of the lower surface of the connecting plate (9) is provided with a chuck (10), an electromagnet is arranged in a chuck hole at the lower surface of the chuck (10), and four corners of the lower surface of the workbench (1) are uniformly provided with upper supporting legs (12);
the material preparation structure (2): is arranged on the upper surface of the bracket (5);
adjusting structure (3): the lower ends of the upper supporting legs (12) are respectively provided with an adjusting structure (3), the lower ends of the adjusting structures (3) are respectively provided with a lower supporting leg (13), and the lower surfaces of the lower supporting legs (13) are respectively provided with a base plate (14);
circulation structure (4): is arranged on the lower surface of the working plate table (1);
wherein: the automatic feeding device is characterized by further comprising a PLC (programmable logic controller) controller (17), wherein the PLC controller (17) is arranged at the right end of the front side surface of the working table (1), the input end of the PLC controller (17) is electrically connected with an external power supply, and the input ends of the linear motor (7), the electric push rod (8) and the electromagnet are electrically connected with the output end of the PLC controller (17);
the material preparation structure (2) comprises a U-shaped cylinder (22), a rotary table (25) and a rotary column (26), wherein the U-shaped cylinder (22) is arranged in the middle of the upper surface of the bracket (5), the rotary column (26) is rotationally connected in the middle of the inner bottom surface of the U-shaped cylinder (22), the upper surface of the rotary column (26) is fixedly connected with the middle of the lower surface of the rotary table (25), and the upper surface of the rotary table (25) is uniformly provided with placing holes;
the front end of the inner bottom surface of the U-shaped cylinder (22) is rotationally connected with a driving plate (21) through a pin shaft, the edge of the driving plate (21) penetrates through an opening at the front side of the U-shaped cylinder (22) and is positioned outside the U-shaped cylinder (22), and a tooth slot meshed with the tooth at the upper end of the rotary column (26) is formed in the outer cambered surface of the driving plate (21);
the material preparation structure (2) further comprises a chute (23), a limit groove (24), a push rod (27) and a spring (28), wherein the chute (23) is arranged on the lower surface of the rotary table (25), the chute (23) is annular, the limit groove (24) is uniformly arranged in the chute (23), the spring (28) is arranged in a round hole formed in the upper surface of the protrusion of the bottom surface of the inner part of the U-shaped cylinder (22), the push rod (27) is arranged at the upper end of the spring (28), the push rod (27) is in sliding connection with the inner wall of the round hole formed in the upper surface of the protrusion of the bottom surface of the inner part of the U-shaped cylinder (22), the upper end of the push rod (27) is spherical, and the upper end of the push rod (27) is in sliding connection with the chute (23);
the adjusting structure (3) comprises a rotating shaft (31), a plane bearing (32), a T-shaped supporting block (33) and a screw rod (34), wherein the lower ends of the upper supporting legs (12) are rotationally connected with the upper surface of the T-shaped supporting block (33) through the rotating shaft (31), the plane bearing (32) is arranged on the upper surface of the T-shaped supporting block (33), the upper ends of the plane bearings (32) are respectively contacted with the lower surface of the corresponding upper supporting legs (12), screw rods (34) are respectively and threadedly connected with threaded holes in the lower ends of the interiors of the T-shaped supporting blocks (33), lower supporting legs (13) are fixedly connected with the lower ends of the screw rods (34), and sliding holes in the middle of the lower supporting legs (13) are respectively and slidably connected with rod bodies at the lower ends of the corresponding T-shaped supporting blocks (33);
the left side surface and the right side surface of the upper supporting leg (12) are respectively provided with a chute plate (35), the left side surface and the right side surface of the lower supporting leg (13) are respectively provided with a sliding block (36), and the inner wall of the chute plate (35) is in sliding connection with the vertically corresponding sliding blocks (36);
circulation structure (4) are including giving vent to anger groove (41), draught fan (42), strain dirt cloth (43), dust collection box (44) and air inlet tank (45), the lower surface of work bench (1) is provided with draught fan (42) and dust collection box (44) respectively, draught fan (42) are located the left side of dust collection box (44), the inside of dust collection box (44) is provided with and strains dirt cloth (43), the air intake of draught fan (42) communicates with the inside of dust collection box (44) through the pipeline, the left and right sides of work bench (1) is provided with air outlet groove (41) and air inlet tank (45) respectively, the lower extreme of air outlet groove (41) links to each other with the air outlet of draught fan (42) through the pipeline, the lower extreme of air inlet tank (45) communicates with the inside of dust collection box (44) through the pipeline, the output of PLC controller (17) is connected to the input electricity of draught fan (42).
2. The experimental platform for a magnetic bearing-rotor according to claim 1, wherein: the upper surface edge of work bench (1) is provided with baffle ring (11), and the inner wall lower extreme about baffle ring (11) all is provided with the opening, and the opening communicates with each other with air outlet groove (41) and air inlet groove (45) respectively.
3. The experimental platform for a magnetic bearing-rotor according to claim 1, wherein: glass windows (15) are arranged at the front end openings of the strip-shaped grooves in the middle of the front side surface of the working plate table (1) in a sealing mode, and scale marks (16) are symmetrically arranged at the left end and the right end of the front side surface of each glass window (15).
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