Improved motor
Technical Field
The invention relates to the technical field of motor manufacturing, in particular to an improved motor.
Background
The motor is an electromagnetic device for converting or transmitting electric energy realized according to the electromagnetic induction law, the letter M is used in the circuit, in broad sense, the motor is a conversion device of the electric energy, and comprises a rotating motor and a static motor, the rotating motor is an energy conversion device for realizing the mutual conversion between the electric energy and the mechanical energy according to the electromagnetic induction principle, the static motor is an electromagnetic device for realizing the voltage conversion according to the electromagnetic induction law and the sub-potential balance principle, the motor mainly functions to generate driving torque and is used as a power source of electrical appliances or various machines, the generator is expressed by the letter G in the circuit and mainly functions to convert the mechanical energy into the electric energy, the motor is provided with a stator, the rotor and other accessories (end cover, base, outlet box, fan cover, rings, etc.), but the following problems can occur in the process of assembling and using the motor:
1. the motor fan structure mostly adopts an integral assembly structure, the characteristic that the integral assembly structure cannot be independently disassembled is not beneficial to the regular disassembly and cleaning operation, and meanwhile, the applicable object of the integral assembly structure has singleness, namely, the same structure function and the application range are simpler;
2. the motor fan is taken as a main radiating component, after long-time work, a thick impurity layer is easily attached to the surface of the motor fan and the surface of a front side structure of the motor fan, the existence of the impurity layer not only pollutes the environment where the fan is located, but also influences the operation of the motor, and meanwhile, the removed impurities cannot be effectively and temporarily stored in a closed mode.
Disclosure of Invention
Technical scheme (I)
In order to achieve the above purpose, the invention adopts the following technical scheme that the improved motor comprises a machine body, a machine base and a front-end mechanism, wherein the machine base is installed at the lower end of the machine body, the lower end of the machine base is installed on the existing working ground, and the front end of the machine body is provided with the front-end mechanism.
The front-end mechanism comprises a front end cover, convex plates, connecting bolts, a connecting shaft, a circular ring, a connecting group, fan blades, a fan housing, lug plates, fastening bolts and grid plates, wherein the convex plates are arranged on the outer ring surface of the front end cover and are uniformly distributed along the circumferential direction of the front end cover, the convex plates at the upper end and the lower end of the front end cover are connected with the front end of the machine body through the connecting bolts, the connecting shaft is arranged in the middle of the front end cover through a bearing, the circular ring is arranged at the end of the connecting shaft, the connecting group is arranged on the outer ring surface of the circular ring and is uniformly distributed along the circumferential direction of the circular ring, the fan blades are arranged on the outer side end surface of the connecting group, the fan housing is arranged right in front of the front end cover, the lug plates are symmetrically arranged on the left and right of the outer surface of the fan housing, the lug plates are connected with the convex plates at the left end and right end of, then the fan blades and the connecting group are installed in a manual mode, and then the fastening bolts are screwed down in a manual mode again to enable the fan cover and the front end cover to be fixed.
The connecting group comprises a concave block, a bottom plate, square blocks, compression springs, clamping columns, elastic clamping plates and clamping blocks, wherein the inner side end face of the concave block is connected with the outer ring face of the ring, a concave groove is formed in the outer side end face of the concave block, a rectangular through groove is formed in the middle of the inner front end face of the concave block, the bottom plate is arranged on the right outer side of the concave block, the outer side end face of the bottom plate is connected with the inner side end of the fan blade, the square blocks are arranged in the middle of the inner side end face of the bottom plate and connected with the concave groove in a sliding fit mode, a rectangular groove is formed in the middle of the front end face of each square block, the compression springs are arranged in the rectangular grooves in a sliding fit mode, one ends of the compression springs are connected with the inner side walls of the rectangular grooves, the other ends of the compression springs are connected with the clamping columns, the clamping columns are connected with the rectangular, the clamping device comprises an elastic clamping plate, a concave groove, clamping blocks, clamping grooves, clamping blocks and clamping columns, wherein the clamping grooves are arranged on the side end face of the elastic clamping plate, the square and the elastic clamping plate are clamped into the concave groove together in an artificial mode, the elastic clamping plate is in a compression state towards the square direction in the movement process of the concave groove, when the clamping grooves in the elastic clamping plate are in butt joint with the clamping blocks, the elastic clamping plate rebounds and completely clamps the clamping blocks, the square drives clamping columns to move synchronously in the movement process of the concave groove, the clamping columns press compression springs and are located in the rectangular grooves, when the clamping columns are in positive symmetry with the rectangular through grooves, the clamping columns bounce under the action of the compression springs and are clamped in the rectangular through grooves, and at the moment, the bottom plate is fixedly installed between the fan blades and the concave block.
As a preferred technical scheme of the invention, plates are symmetrically arranged in front and back of the inner ring surface of the ring, the plates are symmetrically arranged in up-and-down manner, a round rod is arranged between the middle parts of the front and back opposite plates, rotating rods are symmetrically arranged on the round rod in front and back through a sliding fit manner, second pin shafts are symmetrically arranged between the rotating rods and the adjacent plates in up-and-down manner, outer ring plates are symmetrically arranged on the left and right sides of a connecting shaft, the outer ring plates are in a front-and-back arrangement structure, inner ring plates are arranged on the inner sides of the outer ring plates, the upper and lower ends of the outer ring plates and the upper and lower ends of the inner ring plates are connected with the second pin shafts through a sliding fit manner, the inner ring surface of the inner ring plate is connected with the connecting shaft through a sliding fit manner, lug seats are symmetrically arranged in front and back manner on the left end surface of the rotating, a pull rod is arranged on the third pin shaft in a sliding fit mode, the outer side end of the pull rod is arranged on the inner side end face of the circular arc electric slider through a fourth pin shaft, the circular arc electric slider is connected with the inner ring face of the circular ring in a sliding fit mode, the circular arc electric slider is driven to pull the circular arc electric slider to move downwards along the inner ring face of the circular ring, the pull rod drives the rotating rod connected with the lug seat to synchronously rotate towards the whole movement direction through the lug seat, the rotating plate drives the outer annular plate and the inner annular plate to synchronously rotate through the second pin shaft, the rotating plate at the other end of the outer annular plate and the rotating plate at the other end of the inner annular plate synchronously rotate in the reverse direction until the connecting shaft is clamped between the inner annular plates, at the moment, the circular ring is fixed on the connecting shaft, the rotating plate, the pull rod, the circular arc electric slider, the outer annular plate and the inner, meanwhile, the ring is made to form a movable and detachable mounting structure.
As a preferred technical scheme of the invention, the outer convex surface of the fan blade and the inner concave surface of the fan blade are both provided with a first electric slider in a sliding fit mode, the first electric slider is fixedly arranged on the inner side wall of the material receiving drawer, the middle part of the material receiving drawer is connected with the fan blade in a sliding fit mode, the front inner side wall and the rear inner side wall of the material receiving drawer are symmetrically provided with scrapers which are arranged at equal intervals from the center to the outside, the scrapers are connected with the outer surface of the fan blade in a sliding fit mode, the front side and the rear side of the first electric slider are symmetrically provided with a second electric slider, the second electric slider is arranged between the front inner side wall and the rear inner side wall of the material receiving drawer in a sliding fit mode, only when the opening of the concave block faces to the upper part of the machine body, the material receiving drawer is driven to move upwards along the fan blade by, the attachment free fall of clearance is gone into and is connect the material steamer tray, and after the scraper blade was accomplished the clearance, move to the flabellum direction through No. two electronic sliders so that connect the inside confined state that is of material steamer tray to avoid the attachment to follow to connect the material steamer tray landing in the flabellum rotation process, scraper blade, an electronic slider, No. two electronic sliders and connect between the material steamer tray and can implement the regular clearance in the short-time quantum to the flabellum to the cooperation, in order to avoid the flabellum surface to adhere to too much debris and cause the influence to the use of motor.
As a preferred technical scheme of the invention, a ring plate is arranged right in front of a grid plate, an outer ring surface of the ring plate is connected with an inner ring surface of a fan cover in a sliding fit manner, three electric sliding blocks are symmetrically arranged at the upper end and the lower end of the ring plate, the three electric sliding blocks are connected with the inner ring surface of the fan cover in a sliding fit manner, a screen plate is arranged inside the ring plate, four electric sliding blocks are arranged on the upper end surface of the screen plate, the four electric sliding blocks are connected with the inner ring surface of the ring plate in a sliding fit manner, cleaning blocks are equidistantly arranged on the rear end surface of the screen plate from the center to the outer side, the cleaning blocks are uniformly distributed along the circumferential direction of the screen plate, the cleaning blocks are connected with the grid plate in a sliding fit manner, a storage drawer is arranged right behind the lower end of the grid plate and is arranged at the lower end of the inner ring surface of the fan cover, and in an original state, the, drive otter board anticlockwise rotation 90 through No. four electronic sliders, the otter board drives clearance piece synchronous motion, clearance piece and the hole of grid plate self-band are just docking this moment, then drive the crown plate rearward motion through No. three electronic sliders, the otter board drives clearance piece along with crown plate synchronous motion, clearance piece can carry out interior clearance to the hole on the grid plate, debris among the clearance process fall into in the storage steamer tray, promptly through the otter board, the crown plate, the clearance piece, No. three electronic sliders and No. four electronic sliders's cooperation can play the effect of interior clearance to the grid plate, so that it keeps clean state and is favorable to the heat dissipation degree of motor during motor whole use.
As a preferred technical scheme of the invention, a cover plate is arranged between the left inner side wall and the right inner side wall of the storage drawer through a pin shaft, extension blocks are symmetrically arranged at the left end and the right end of the upper end surface of the cover plate, a push rod is arranged in the middle of the end surface of each extension block, the front end surface of each push rod is connected with the rear end surface of a ring plate, the push rods are synchronously pushed backwards in the backward movement process of the ring plates, the cover plate is enabled to rotate upwards through the fast extension of the push rods, the cover plate is rotated to the maximum extent before sundries are pushed backwards away from the grid plates by a cleaning block, the storage drawer is in an open state at the moment, the push rods are driven to synchronously move forwards by the ring plates in the forward resetting process, the cover plate is driven by the push rods to synchronously rotate forwards until the storage drawer is in a closed state again, and the pollution to the inside of.
As a preferable technical scheme of the invention, the left side end and the right side end of the cleaning block and the inner ring surface of the inner ring-shaped plate are respectively provided with an elastic block, and the elastic blocks can increase the friction force between the cleaning block and the holes of the grid plate and between the inner ring-shaped plate and the connecting shaft, thereby increasing the cleaning effect of the cleaning block on the holes of the grid plate and improving the firmness of the connection between the inner ring-shaped plate and the connecting shaft.
As a preferable technical scheme of the invention, through holes are formed in the surface of the scraper at equal intervals from the center to the outside, the inner side ends of the scraper in the front and back directions are of an inwards inclined structure, and in the process of cleaning the surface of the fan blade by the scraper, scraped impurities can fall into the material receiving drawer through the through holes, so that the probability of accumulation of the impurities on the scraper is reduced, and the inclined state of the scraper can improve the scraping and cleaning force of the scraper on the surface of the fan blade.
(II) advantageous effects
1. According to the improved motor, the motor is assembled by adopting the design concept of a movable mounting structure, the fan blades can be quickly disassembled and assembled by the arranged connecting group, the fan blades can be conveniently cleaned by an operator at regular intervals, meanwhile, a structure with a cleaning effect is arranged aiming at the front-end mechanism, and the cleaning structure can realize closed storage for removing sundries;
2. the matching among the rotating plate, the pull rod, the arc electric sliding block, the outer annular plate and the inner annular plate can realize the assembly and installation between the ring and a connecting shaft with a certain range of diameter sizes, so that the adaptation rate of the same structure can be realized, and meanwhile, the ring is enabled to form a movable and detachable installation structure;
3. the scraping plate, the first electric sliding block, the second electric sliding block and the material receiving drawer are matched to regularly clean the fan blades in a short time period, so that influence on the use of a motor due to the fact that excessive sundries are attached to the surfaces of the fan blades is avoided;
4. the mesh plate, the ring plate, the cleaning block, the third electric sliding block and the fourth electric sliding block are matched to play a role in cleaning the mesh plate, so that the mesh plate is kept in a clean state during the whole use period of the motor, and the heat dissipation degree of the motor is facilitated.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a first cross-sectional view of the present invention;
FIG. 3 is a second cross-sectional view of the present invention;
FIG. 4 is a third cross-sectional view of the present invention;
FIG. 5 is an enlarged view of the invention in section X of FIG. 2;
FIG. 6 is an enlarged view of the Y-direction portion of FIG. 2 of the present invention;
FIG. 7 is an enlarged view of the invention in the Z-direction of FIG. 3;
FIG. 8 is an enlarged view of the M-direction portion of FIG. 3 in accordance with the present invention;
FIG. 9 is an enlarged view of the N-direction portion of FIG. 3 in accordance with the present invention;
fig. 10 is an enlarged view of the R-direction portion of fig. 4 according to the present invention.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways, which are defined and covered by the claims.
As shown in fig. 1 to 10, an improved motor includes a body 1, a base 2 and a front-end mechanism 3, the base 2 is installed at the lower end of the body 1, the lower end of the base 2 is installed on the existing working ground, and the front-end mechanism 3 is installed at the front end of the body 1.
The front-end mechanism 3 comprises a front end cover 30, convex plates 31, connecting bolts 32, a connecting shaft 33, circular rings 34, connecting groups 35, fan blades 36, a fan housing 37, lug plates 38, fastening bolts 39 and a grid plate 390, wherein the convex plates 31 are arranged on the outer ring surface of the front end cover 30, the convex plates 31 are uniformly distributed along the circumferential direction of the front end cover 30, the convex plates 31 on the upper end and the lower end of the front end cover 30 are connected with the front end of the machine body 1 through the connecting bolts 32, the connecting shaft 33 is arranged in the middle of the front end cover 30 through a bearing, the circular rings 34 are arranged at the ends of the connecting shaft 33, the connecting groups 35 are arranged on the outer ring surface of the circular rings 34, the connecting groups 35 are uniformly distributed along the circumferential direction of the circular rings 34, the fan blades 36 are arranged on the outer side end surface of the connecting groups 35, the fan housing 37 is arranged right and left in front of the front end cover 30, the lug plates, the fan blades 36 are located in the fan housing 37, the grid plate 390 is installed at the front end inside the fan housing 37, the connecting bolts 32 are manually screwed down to install the front end cover 30 and the fuselage 1, then the fan blades 36 and the connecting group 35 are manually installed, and then the fastening bolts 39 are manually screwed down again to fix the fan housing 37 and the front end cover 30.
The plate blocks 340 are symmetrically arranged in the front and back direction of the inner ring surface of the circular ring 34, the plate blocks 340 are symmetrically arranged in the up-down direction, a circular rod 341 is arranged between the middle parts of the plate blocks 340 which are opposite in the front and back direction, rotating rods 342 are symmetrically arranged in the front and back direction on the circular rod 341 in a sliding fit manner, two pin shafts are symmetrically arranged in the up-down direction between the rotating rod 342 and the adjacent plate block 340, outer ring plates 343 are symmetrically arranged on the left and right sides of the connecting shaft 33, the outer ring plates 343 are arranged in the front and back direction, inner ring plates 344 are arranged on the inner side of the outer ring plates 343, the upper and lower ends of the outer ring plates 343 and the upper and lower ends of the inner ring plates 344 are connected with the two pin shafts in a sliding fit manner, the inner ring surface of the inner ring plates 344 is connected with the connecting shaft 33 in a sliding fit manner, a third pin shaft is arranged between the adjacent ear seats 345, a pull rod 346 is arranged on the third pin shaft in a sliding fit mode, the outer side end of the pull rod 346 is arranged on the inner side end surface of an electric arc slider 347 through a fourth pin shaft, the electric arc slider 347 is connected with the inner ring surface of the circular ring 34 in a sliding fit mode, the electric arc slider 347 drives the pull rod to move downwards along the inner ring surface of the circular ring 34 through the electric arc slider 347, the pull rod 346 drives a rotating rod 342 connected with the ear seats 345 to synchronously rotate towards the integral movement direction through the ear seats 345, the rotating plate drives an outer annular plate 343 and an inner annular plate 344 to synchronously rotate through a second pin shaft, the rotating plate at the other end of the outer annular plate 343 and the rotating plate at the other end of the inner annular plate 344 synchronously rotate in opposite directions until the connecting shaft 33 is clamped between the inner annular plates 344, at the moment, the circular ring 34 is fixed on the connecting shaft 33, and the assembling between the rotating plate, the pull rod 346, the, thereby realizing the adaptation rate of the same structure and simultaneously enabling the circular ring 34 to form a movable and detachable mounting structure.
The connecting set 35 comprises a concave block 350, a bottom plate 351, a square 352, a compression spring 353, a clamping column 354, an elastic clamping plate 355 and a clamping block 356, the inner side end face of the concave block 350 is connected with the outer ring face of the ring 34, the outer side end face of the concave block 350 is provided with a concave groove, the middle part of the inner front end face of the concave block 350 is provided with a rectangular through groove, the bottom plate 351 is arranged at the right outer side of the concave block 350, the outer side end face of the bottom plate 351 is connected with the inner side end of the fan blade 36, the middle part of the inner side end face of the bottom plate 351 is provided with the square 352, the square 352 is connected with the concave groove in a sliding fit mode, the middle part of the front end face of the square 352 is provided with the rectangular through groove, the compression spring 353 is arranged in the rectangular groove in a sliding fit mode, one end of the compression spring 353 is connected with the inner, elastic clamping plates 355 are symmetrically arranged on two horizontal sides of the square 352, the outer end faces of the elastic clamping plates 355 are connected with the inner end faces of the bottom plate 351, a sliding fit mode is adopted between the elastic clamping plates 355 and the concave grooves, clamping blocks 356 are symmetrically arranged on the left inner side wall and the right inner side wall of the concave grooves, the clamping blocks 356 are connected with the clamping grooves in a sliding fit mode, the clamping grooves are formed in the side end faces of the elastic clamping plates 355, the square 352 and the elastic clamping plates 355 are clamped into the concave grooves together in a manual mode, the elastic clamping plates 355 are in a compression state towards the direction of the square 352 in the process of moving in the concave grooves, when the clamping grooves in the elastic clamping plates 355 are in butt joint with the clamping blocks 356, the elastic clamping plates 355 rebound and completely clamp the clamping blocks 356, the square 352 drives the clamping columns 354 to move synchronously in the process of moving in the concave grooves, the clamping columns 354 press the compression springs 353 and are positioned, the clamping column 354 is bounced under the action of the compression spring 353 and clamped in the rectangular through groove, at the moment, the bottom plate 351 with the fan blade 36 and the concave block 350 are fixedly installed, and the fan blade 36 can be in a movable installation state due to the matching of the clamping column 354, the elastic clamping plate 355, the compression spring 353, the square block 352 and the concave block 350, so that the fan blade 36 can be rapidly disassembled and assembled, and meanwhile, an operator can clean the fan blade 36 regularly.
The outer convex surface of the fan blade 36 and the inner concave surface of the fan blade 36 are both provided with a first electric slider 360 in a sliding fit manner, the first electric slider 360 is fixedly arranged on the inner side wall of the material receiving drawer 361, the middle part of the material receiving drawer 361 is connected with the fan blade 36 in a sliding fit manner, the front inner side wall and the rear inner side wall of the material receiving drawer 361 are symmetrically provided with scrapers 362, the scrapers 362 are arranged at equal intervals from the center to the outside, the scrapers 362 are connected with the outer surface of the fan blade 36 in a sliding fit manner, the front side and the rear side of the first electric slider 360 are symmetrically provided with a second electric slider 363, the second electric slider 363 is arranged between the front inner side wall and the rear inner side wall of the material receiving drawer 361 in a sliding fit manner, only when the opening of the concave block 350 faces to the upper part of the machine body 1, the first electric slider 360 drives the material receiving drawer 361 to move upwards along the fan blade 36, the attachment of clearance freely falls into in receiving the material steamer tray 361 down, after the scraper blade 362 finishes the clearance, through No. two electric slider 363 to flabellum 36 direction motion so that receive the inside closed condition that is of material steamer tray 361 to avoid the attachment in flabellum 36 rotation in-process from receiving the material steamer tray 361 internal slipping, scraper blade 362, No. one electric slider 360, No. two electric slider 363 and receive between the material steamer tray 361 and can implement the regular clearance in short time quantum to flabellum 36 to the cooperation, in order to avoid the flabellum 36 surface to adhere to too much debris and cause the influence to the use of motor.
The surface of the scraper 362 is provided with through holes at equal distance from the center to the outside, the inner side ends of the scraper 362 in the front and back directions are in an inward inclined structure, in the cleaning process of the scraper 362 on the surface of the fan blade 36, scraped impurities can fall into the material receiving drawer 361 through the through holes so as to reduce the probability of accumulation of the impurities on the scraper 362, and the inclined state of the scraper 362 can improve the scraping cleaning force of the scraper 362 on the surface of the fan blade 36.
A ring plate 391 is arranged right in front of the grid plate 390, the outer ring surface of the ring plate 391 is connected with the inner ring surface of the fan housing 37 in a sliding fit manner, three electric sliders 392 are symmetrically arranged at the upper end and the lower end of the ring plate 391, the three electric sliders 392 are connected with the inner ring surface of the fan housing 37 in a sliding fit manner, a screen 393 is arranged inside the ring plate 391, four electric sliders 394 are arranged on the upper end surface of the screen 393, the four electric sliders are connected with the inner ring surface of the ring plate 391 in a sliding fit manner, cleaning blocks 395 are equidistantly arranged from the center to the outer side on the rear end surface of the screen 393, the cleaning blocks 395 are uniformly distributed along the circumferential direction of the screen 393, the cleaning blocks 395 are connected with the grid plate 390 in a sliding fit manner, a storage drawer 396 is arranged right behind the lower end of the grid plate 390, the storage drawer 396 is arranged at the lower end of the inner ring surface of the fan housing 37, and in an original state, the holes of the grid plate 390 and, the screen plate 393 is driven to rotate 90 degrees anticlockwise by the number four electric slider 394, the screen plate 393 drives the cleaning block 395 to move synchronously, the cleaning block 395 is in butt joint with holes of the grid plate 390 at the moment, then the number three electric slider 392 drives the ring plate 391 to move backwards, the screen plate 393 drives the cleaning block 395 to move synchronously along with the ring plate 391, the cleaning block 395 can clean the holes in the grid plate 390 internally, sundries in the cleaning process fall into the storage drawer 396, namely, the screen plate 393, the ring plate 391, the cleaning block 395, the number three electric slider 392 and the number four electric slider 394 are matched to clean the grid plate 390 internally, so that the cleaning state is kept during the whole use of the motor, and the heat dissipation degree of the motor is facilitated.
A cover plate 39a is arranged between the left inner side wall and the right inner side wall of the storage drawer 396 through a pin shaft, extension blocks 39b are symmetrically arranged at the left end and the right end of the upper end surface of the cover plate 39a, a push rod 39c is arranged in the middle of the end surface of each extension block 39b, the front end surface of each push rod 39c is connected with the rear end surface of the ring plate 391, in the process of backward movement of the ring plate 391, the push rod 39c is pushed backwards synchronously, the push rod 39c enables the cover plate 39a to rotate upwards through the extension, the cleaning block 395 pushes sundries backwards away from the grid plate 390, the cover plate 39a rotates to the maximum, the storage drawer 396 is in an open state at the moment, when the ring plate 391 is reset forwards, which drives the push rod 39c to move synchronously, the cover plate 39a is driven by the push rod 39c to rotate synchronously forward until the storage drawer 396 is in a closed state again, so as to prevent the air flow generated during the rotation of the fan 36 from scattering around the waste material and polluting the inside of the fan housing 37.
The left side end and the right side end of the cleaning block 395 and the inner annular surface of the inner annular plate 344 are respectively provided with an elastic block, the elastic blocks can increase the friction force between the cleaning block 395 and the holes of the grid plate 390 and between the inner annular plate 344 and the connecting shaft 33, further increase the cleaning effect of the cleaning block 395 on the holes of the grid plate 390 and improve the connection firmness between the inner annular plate 344 and the connecting shaft 33.
When the clamping device works, the connecting bolt 32 is screwed down manually to mount the front end cover 30 and the machine body 1, the circular arc electric slider 347 drives the front end cover to move downwards along the inner ring surface of the circular ring 34, the pull rod 346 drives the rotating rod 342 connected with the lug seat 345 to synchronously rotate towards the integral movement direction through the lug seat 345, the rotating plate drives the outer circular plate 343 and the inner circular plate 344 to synchronously rotate through the second pin shaft, the rotating plate at the other ends of the outer circular plate 343 and the inner circular plate 344 synchronously rotates in the opposite direction until the connecting shaft 33 is clamped between the inner circular plates 344, at the moment, the circular ring 34 is fixed on the connecting shaft 33, then the square 352 and the elastic clamping plate 355 are clamped into the concave groove together manually, the elastic clamping plate 355 is in a compression state towards the direction of the square 352 in the concave groove moving process, when the clamping groove on the elastic clamping plate 355 is in butt joint with the clamping block 356, the elastic clamping plate 355 rebounds and, when the block 352 moves in the concave groove, the block 352 drives the clamping column 354 to move synchronously, the clamping column 354 presses the compression spring 353 and is positioned in the rectangular groove, when the clamping column 354 is in positive symmetry with the rectangular through groove, the clamping column 354 bounces under the action of the compression spring 353 and is clamped in the rectangular through groove, the bottom plate 351 and the fan blade 36 are fixedly installed with the concave block 350, then the fastening bolt 39 is screwed up manually to fix the fan cover 37 and the front end cover 30, only when the opening of the concave block 350 faces to the upper part of the machine body 1, the material receiving drawer 361 is driven by the first electric slide block 360 to move upwards along the fan blade 36, the material receiving drawer 361 drives the scraper 362 to move synchronously, the scraper 362 cleans attachments on the surface of the fan blade 36, the cleaned attachments fall into the material receiving drawer 361 freely, after the scraper 362 is cleaned, the second electric slide block 363 moves towards the direction of the fan blade 36 to enable the interior of the material receiving drawer 361 to be in a closed state, so as to avoid the attachments from sliding down from the material receiving drawer 361 in the rotation process of the fan blade 36, when the fan stops operating, the screen 393 is driven by the fourth electric slider 394 to rotate 90 degrees anticlockwise, the screen 393 drives the cleaning block 395 to move synchronously, at this time, the cleaning block 395 is in butt joint with the hole of the grid plate 390, then the third electric slider 392 drives the ring plate 391 to move backwards, the screen 393 drives the cleaning block 395 to move synchronously with the ring plate 391, the ring plate 391 pushes the push rod 39c backwards and synchronously in the backward movement process, the push rod 39c makes the cover plate 39a rotate upwards by extending, before the cleaning block 395 pushes the sundries backwards away from the grid plate 390, the cover plate 39a is rotated to the maximum, at this time, the material storing drawer 396 is in an open state, the cleaning block 395 pushes the sundries backwards away from the grid plate 390, the sundries can fall into the material storing drawer 396, and in the forward resetting process of the ring plate, the push rod 39c is driven to move synchronously, the cover 39a is synchronously rotated forward by the push rod 39c until the magazine 396 is closed again.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.