CN117019631A - A multi-stage air screen seed cleaning machine and cleaning method - Google Patents
A multi-stage air screen seed cleaning machine and cleaning method Download PDFInfo
- Publication number
- CN117019631A CN117019631A CN202311213256.6A CN202311213256A CN117019631A CN 117019631 A CN117019631 A CN 117019631A CN 202311213256 A CN202311213256 A CN 202311213256A CN 117019631 A CN117019631 A CN 117019631A
- Authority
- CN
- China
- Prior art keywords
- seed
- cleaning
- screen
- impurity
- stage
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
- B07B1/286—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens with excentric shafts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/50—Cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
Landscapes
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention relates to a multi-stage wind screen seed cleaning machine and a cleaning method, belonging to the technical field of agricultural machinery; the multi-stage wind screen seed cleaning machine comprises a uniform seed feeding device, a multi-stage vibration screen device, a sedimentation impurity discharging device, a grading seed discharging device, a frame and a power control device. The invention combines two cleaning principles of air separation and screening, integrates a multi-stage vibration separation screen and an air separation impurity removal screen, and has the function of dust impurity removal while realizing seed grading cleaning. The seeds with different grades after grading and cleaning are conveyed to the corresponding seed outlet channels through the grading seed outlet device, so that the subsequent seed treatment or sowing operation is facilitated; the cleaning performance of the seeds before sowing is improved, seeds with poor quality can be removed, the planting uniformity of crops is improved, and the crop yield is increased.
Description
Technical Field
The invention relates to a multi-stage wind screen seed cleaning machine and a cleaning method, and belongs to the technical field of agricultural machinery.
Background
Other crop seeds, weed seeds, sand grains, dust and other impurities are often mixed after the seeds are harvested, the harvested seeds comprise unsaturated seeds, broken grains, insect grains and the like, and the external characteristics of the seeds such as size, weight, shape, structure and the like can reflect the quality of the seeds. In order to ensure the sowing quality of seeds, the seed sorting and grading is a common pretreatment method before sowing, the seed grading can optimize the size and weight of the seeds, the proper density sowing of the seeds is realized, and the growth uniformity of crops is improved; the seed cleaning can remove impurities and dust on the surface of the seeds. Pathogens and other harmful substances, reduce disease spreading risks and protect healthy growth of crops; and the seeds subjected to grading and cleaning are easier to mechanically sow, so that the working efficiency of the sowing equipment is improved, and the possibility of blockage and faults is reduced. The multi-stage wind screen seed cleaner can realize the pretreatment work of the irregular seeds such as alfalfa and the like before sowing, has the functions of sorting the seeds in real time and finishing the cleaning and impurity removal.
Disclosure of Invention
The invention aims to provide a multi-stage air-screen seed cleaner aiming at the problems of main high-quality forage grass seeds such as alfalfa seeds and the like before sowing, and has the advantages of complete functions, simplicity and convenience in operation, economy and applicability, low cost and high intelligent degree. A high-efficiency, low-loss and environment-friendly method for treating seeds of alfalfa and the like by agricultural machinery and agriculture fusion is explored to promote technical progress of the alfalfa industry, further meet requirements of animal husbandry development and ecological construction, and improve growth vigor and biological output of crops of the alfalfa and the like in the whole growth period.
In order to achieve the above purpose, the technical scheme of the invention is as follows: in a first aspect, the invention provides a multi-stage seed wind screen cleaner, which comprises a uniform seed feeding device, a multi-stage vibration screen device, a sedimentation impurity discharging device, a grading seed discharging device, a rack and a power control device;
the uniform seed feeding device is a head feeding mechanism of a multi-stage air screen seed cleaner and comprises a hopper, a supporting bottom plate, a discharge baffle, an auxiliary vibrating shaft, a small rocker arm, an auxiliary swing arm, a vibrating rib plate, a vibrating discharge plate, a spring screw, a vibrating main shaft, an eccentric connecting rod, a discharge plate bracket, a main swing arm, a hopper side lug, a seed guide base, an inoculating plate adjusting mechanism, a impurity inlet sealing plate and a seed receiving plate. The seed feeding device is integrally arranged above the cleaning sieve frame and the supporting frames on two sides, wherein the hopper is fixed on the supporting frames through bolts, the seed guide base is fixedly arranged on the outer walls of the front side and the rear side of the cleaning sieve frame through bolts, and seeds in the hopper are uniformly and stably fed into the multi-stage vibrating sieve device from the seed guide base under the driving of the main vibrating shaft and the vibrating eccentric connecting rod; hopper side lugs on the front side and the rear side of the hopper are correspondingly and fixedly connected with the front support frame and the rear support frame through bolts. The straight slide notch is formed in the connection position of the supporting bottom plate and the discharge baffle, the straight slide notch is connected through a spring screw, the tightness of the spring screw or the connection position of the straight slide notch is adjusted, and the distance between the discharge baffle and a discharge hole at the bottom of the hopper can be adjusted so as to adjust the seed discharge amount in unit time of seeds; the small rocker arms are arranged at two ends of the vibration auxiliary shaft and are connected with the auxiliary rocker arms, so that the whole vibration, support and vibration amplitude increasing effects of the discharging plate are achieved; the two sides of the vibration rib plates are connected with the supporting bottom plate through a vibration auxiliary shaft, and the vibration rib plates are used for carrying out small-amplitude vibration excitation on the discharging baffle; the auxiliary swing arm is connected with the discharge plate bracket through a pin shaft; the upper end of the discharging plate bracket is connected with the main swing arm through a pin shaft to form a revolute pair, a vibration discharging plate with an adjustable inclination angle is arranged in the middle of the discharging plate bracket, and the sliding speed of seeds on the surface of the discharging plate is adjusted by changing the inclination angle; the lower end of the main swing arm is provided with a vibration main shaft; an eccentric connecting rod is arranged on the vibration main shaft and is connected with the impurity removal auger shaft through a V belt for transmission; the other end of the eccentric connecting rod is fixedly connected with the lower surface of the vibration discharging plate, and the whole seed feeding device is excited to realize uniform seed falling; the upper end of the impurity inlet sealing plate is connected with the inner wall of an impurity inlet channel of the sedimentation impurity discharging device, the lower end of the impurity inlet sealing plate is in clearance fit with the inoculating plate, dust, impurities and the like mixed in seeds falling onto the inoculating plate from the vibration discharging plate are easily excited to fall off under the influence of inertia, and the dust, the impurities and the like enter the sedimentation impurity discharging device through the impurity inlet under the action of negative pressure suction in the sedimentation bin; the lower end of the inoculation plate is movably connected with the inoculation plate adjusting device, and the adjustment of the inoculation height and angle is realized along with the expansion and contraction of an electric cylinder of the adjusting device; the seed guiding base is arranged on the front outer wall and the rear outer wall of the cleaning sieve frame and is used for guiding seeds sliding from the inoculating plate into the multistage vibrating sieve device.
As a further scheme of the invention, the multi-stage vibrating screen device comprises a sundry shield, a side ear of a screening screen frame, a seed dropping screen, a cleaning screen II, a secondary screening screen, a cleaning screen I, a primary screening screen, a tertiary screening screen, a seed thinning scraping plate and a seed guiding plate, wherein the side ear of the screening screen frame is fixedly connected with a supporting leg of the screening device arranged on a bottom plate of the frame through bolts by a vibrating screen device main body, and the position, close to the sundry shield, above the screening screen frame is connected with a seed feeding base of a uniform seed feeding device through bolts; the sundry shield is arranged on the cleaning sieve frame and is used for preventing dust sundries caused by excitation of the seed feeding device from directly falling into the seed guide plate; the seed dropping sieve is arranged on the cleaning sieve frame and is used for receiving seeds sliding off the seed guiding base and sieving the seeds to the seed guiding plate, a plurality of through holes corresponding to the sizes of the seeds are arranged on the seed dropping sieve in an array manner, and impurities with larger volume are discharged through a impurity collecting groove I arranged at the tail end of the seed dropping sieve while the seeds are ensured to smoothly drop; the seed guide plate is fixedly connected with the cleaning sieve frame at a certain oblique angle, and is used for buffering seeds falling from the seed falling sieve and guiding the seeds to the front end of the primary cleaning sieve; the appearance of the primary cleaning sieve is drawer-shaped, a plurality of small irregular seed-shaped through holes are arrayed on the sieve surface, 4 rows of arc-shaped hook teeth are fixed below the sieve surface, the arc-shaped hook teeth are movably connected with the cleaning mesh screen I, and the arc-shaped hook teeth can assist in vibrating the cleaning mesh screen I when the primary cleaning sieve vibrates, so that the effect of exciting, dredging and blocking seeds is provided; a plurality of cross bars are welded above the main body of the cleaning mesh screen I and used for flexibly adjusting the connection with the arc-shaped hook teeth, and a mesh screen is arranged below the main body of the cleaning mesh screen I and is integrally and movably connected with a cleaning screen frame; the seed dredging scraper is arranged on the bottom surface of the cleaning mesh screen I, is fixedly connected with a frame support of the cleaning mesh screen I, dispersedly buffers seeds falling off by the primary cleaning screen, and dredges stacked and blocked seeds on the secondary cleaning screen in the vibration process; the secondary cleaning sieve is movably connected with the cleaning mesh screen II through arc-shaped hook teeth arranged on the bottom surface of the secondary cleaning sieve, and a plurality of tiny irregular seed-shaped holes are arrayed on the sieve surface; the cleaning mesh screen II is movably connected with the cleaning screen frame, a plurality of cross bars are welded above the cleaning mesh screen II and can flexibly adjust the connection with the arc-shaped hook teeth, and a mesh screen is arranged below the cleaning mesh screen II; the three-stage cleaning sieve is a rectangular steel plate, is arranged at the bottom of the cleaning mesh screen II, is fixedly connected with the cleaning sieve frame at a certain oblique angle, and is used for sieving small seeds;
As a further scheme of the invention, the sedimentation impurity removing device comprises a dust outlet, a sedimentation chamber shield, an adjusting hand wheel, an air blowing impurity inlet channel, a fan, a sedimentation device underframe, an impurity removing port, an impurity collecting auger shaft, a belt wheel, a rotating gear, an impurity inlet, a linkage rack, a flow guiding baffle plate and a sedimentation chamber; the right side of the main body of the sedimentation impurity removing device is arranged on a bottom plate of the frame through a bottom frame of the sedimentation device, and one side of the main body of the sedimentation impurity removing device is arranged above the frame of the cleaning sieve through a shield of the sedimentation chamber; the dust outlet main body is arranged above the sedimentation device protecting cover, and the dust outlet can be externally connected with a dust collecting device; the shield of the sedimentation device is arranged above the cleaning screen frame, and the left side of the shield is provided with an inoculation plate mounting port so as to facilitate the inoculation plate to pass through and complete the mounting; the sedimentation chamber is a space area formed by enclosing and sealing a sedimentation chamber shield, and the sedimentation chamber is used for completing sedimentation of impurities such as larger particle dust and the like under the action of wind power and dead weight; the air blowing impurity inlet channel is arranged at the outer side of the sedimentation device and is fixedly connected with the air inlet fan to form an impurity air blowing cleaning part, and the impurity air blowing cleaning part is used for guiding air flow generated by the fan into the sedimentation chamber; the flow guide baffle is movably connected with the shield of the sedimentation device, and the installation inclination angle can be adjusted according to the requirements so as to realize smoke dust flow guide in different directions; the adjusting handwheels are arranged in front of the shield of the sedimentation device in pairs; the bottom of the linkage rack is provided with a baffle plate, the baffle plate is arranged on the inner wall of the shield of the sedimentation device and meshed with a rotating gear, the rotating gear is coaxial with the rotation center of the adjusting hand wheel, and the baffle plate at the bottom of the linkage rack is driven to stretch and retract along with the rotation of the adjusting hand wheel so as to adjust the opening sizes of the impurity inlet and the air blowing impurity inlet channel; the belt wheel is coaxial with the rotation center of the impurity collection auger, and is used for providing power for rotation of the impurity collection auger and providing power for rotation of a vibrating main shaft of the uniform seed feeding device through belt transmission; the impurity collecting auger is arranged on the inner wall of the sedimentation chamber shield and is used for collecting and discharging sedimentation impurities when rotating; the impurity discharging port is a rectangular long notch formed in the bottom of the sedimentation device shield and is arranged right above the impurity collecting groove II and used for discharging impurities in the sedimentation chamber;
As a further scheme of the invention, the grading seed discharging device comprises a impurity collecting groove I, a impurity discharging pipeline II, a impurity collecting groove II, a first-stage seed discharging pipe, a first-stage seed discharging groove, a second-stage seed vibrating air screen, a third-stage seed discharging groove, a third-stage seed discharging pipe and a impurity discharging port, wherein the seed discharging device is used for discharging impurities and seeds of different stages after the multi-stage vibrating screen device and the sedimentation impurity discharging device finish cleaning. The impurity collecting groove I is arranged at the tail end of the seed dropping sieve, and the front end and the rear end of the impurity collecting groove I have a certain installation height difference and are used for collecting and discharging larger particle impurities mixed in seeds; the impurity dropping pipeline I is fixedly arranged with the support frame through a bolt, and the inlet is connected with the tail end of the impurity collecting groove I and is used for guiding larger particle impurities to drop into the impurity collecting bucket I; the front end and the rear end of the impurity collection groove II are fixedly arranged on the front and the rear of the inner wall of the cleaning sieve frame through bolts, and the front end and the rear end have a certain installation height difference; the impurity dropping pipeline II is arranged in front of the cleaning screen frame, and an inlet is connected with a front port of the impurity collecting tank II and is used for guiding dust and impurities discharged by the sedimentation device; the front end and the rear end of the first-stage seed dropping groove are arranged on the inner wall of the cleaning sieve frame, the front end and the rear end have a certain installation height difference and are positioned between the cleaning mesh screen I and the first-stage cleaning sieve and used for collecting first-stage seeds which are cleaned on the surface of the first-stage cleaning sieve; the seed inlet of the first-stage seed discharging pipe is sleeved at the seed outlet position at the tail end of the first-stage seed falling groove, and the seed outlet of the seed discharging pipe can freely adjust the first-stage seed outlet position; the secondary vibrating air screen is arranged on the cleaning screen frame, is positioned between the cleaning mesh screen II and the secondary cleaning screen and is used for discharging secondary seeds on the screen surface of the secondary cleaning screen, and a fan at the bottom of the secondary vibrating air screen provides wind force after the seeds fall into the screen surface of the vibrating air screen to blow the seeds or unscreened sundries into the settling chamber through the impurity inlet channel; the three-stage seed dropping groove is arranged on the inner wall of the cleaning screen frame and is positioned at the tail end of the three-stage cleaning screen and used for discharging three-stage seeds on the screen surface of the three-stage cleaning screen; the seed inlet of the three-stage seed discharging pipe is sleeved at the seed outlet position at the tail end of the three-stage seed falling groove, and the seed outlet of the seed discharging pipe can freely adjust the three-stage seed outlet position; the impurity outlet is arranged at the tail end of the impurity dropping pipeline II and is used for receiving dust discharged from the impurity dropping pipeline and discharging the dust into the bottom impurity receiving hopper II. .
As a further scheme of the invention, the frame and the power control device 5 comprise a transmission shield, a cleaning device supporting leg, a vibration conduction plate, an electric cabinet, a supporting frame, a trash receiving hopper II, a trash receiving hopper I, a frame bottom plate, a motor bracket, a motor and an eccentric excitation rod. The lower part of the supporting leg of the cleaning device is arranged on the bottom plate of the frame, and the upper part of the supporting leg is fixedly connected with the cleaning screen frame through bolts and is used for supporting and assisting the vibration excitation cleaning device; the electric cabinet is arranged on the bottom plate of the frame and positioned on the right side of the supporting leg of the cleaning device, and is used as a main power source of the whole device to provide power for a working motor and the like and control the rotating speed so as to ensure the normal operation of the device; the support frame is two trapezoid sheet metal parts, the lower end of the support frame is fixedly arranged on the bottom plate of the frame through bolts, and a bearing support is arranged at a position close to the bottom plate of the frame at a certain height and is used for supporting the eccentric excitation rod; the middle eccentric part of the eccentric excitation rod is connected with the vibration bearing plate through a plate and is used for driving the bearing plate to vibrate through the rotation of the eccentric mechanism; the vibration bearing plate is a square sheet metal part and is connected with the bottom of the right end of the three-stage cleaning sieve through bolts, and is used for transmitting vibration to the sieve body in the whole cleaning device; the impurity receiving hopper I and the impurity receiving hopper II are fixed on the bottom plate of the frame through the mounting sliding grooves, are respectively positioned below the impurity falling pipeline I and the impurity falling pipeline II and are used for collecting dust and impurities screened by the cleaning device. The motor is arranged on a bottom plate of the frame through a motor bracket, and is connected with the eccentric excitation rod and the impurity collection auger shaft belt pulley through belt transmission, so as to provide adjustable excitation for the whole multi-stage cleaning device; the transmission shield is arranged on the outer wall of the rear side of the shield of the sedimentation chamber of the sedimentation impurity removal device, and plays a role in protecting the safety of operators.
On the other hand, the invention provides a cleaning method of the multi-stage air-screen seed cleaning machine, which is used for cleaning seeds.
The beneficial effects of the invention are as follows:
the invention provides a multi-stage seed wind screen cleaner, which aims at sorting irregular seeds such as alfalfa and the like, is based on a general scheme of sorting seeds with uniform seed feeding, multi-stage vibration screening and wind screen impurity sorting, and provides a seed sorting cleaner which consists of a uniform seed feeding device, a multi-stage vibration screening device, a sedimentation impurity discharging device, a sorting seed discharging device, a rack and a power control device. The seed after grading cleaning has obviously improved growth vigor and biological output in the whole growth period, provides favorable conditions for realizing high-quality and high-efficiency feeding of high-quality forage, greatly reduces cost and operation time, improves efficiency, has good economic and social benefits and has very wide market prospect.
Drawings
FIG. 1 is a multi-stage air screen seed cleaner of the present invention;
FIG. 2 is an isometric view of the uniform seed feeding device of the present invention;
FIG. 3 is a front view of the uniform seed feeding device of the present invention;
FIG. 4 is a top view of the multi-stage vibrating screen and the staged yielding means of the present invention;
FIG. 5 is a front view of the multi-stage vibrating screen and the graded seed discharging device of the present invention;
FIG. 6 is a section A-A of FIG. 5;
FIG. 7 is a partial cross-sectional view of the sedimentation impurity removal device of the present invention;
FIG. 8 is an isometric view of a frame and power control device of the present invention;
the reference numerals in fig. 1-8:
1-uniform seed feeding device, 101-hopper, 102-supporting bottom plate, 103-discharging baffle, 104-auxiliary vibrating shaft, 105-small rocker arm, 106-auxiliary rocker arm, 107-vibrating rib plate, 108-vibrating discharging plate, 109-spring screw, 110-vibrating main shaft, 111-eccentric connecting rod, 112-discharging plate bracket, 113-main rocker arm, 114-hopper side lug, 115-seed guiding base, 116-inoculating plate adjusting mechanism, 117-impurity inlet sealing plate, 118-seed receiving plate, 2-multi-stage vibrating screen device, 201-impurity shield, 202-cleaning screen frame side lug, 203-cleaning screen frame, 204-seed dropping screen, 205-cleaning screen II, 206-secondary cleaning screen, 207-cleaning screen I, 208-primary cleaning screen, 209-three-stage cleaning sieve, 210-seed thinning scraper, 211-seed guiding plate, 3-sedimentation impurity discharging device, 301-dust outlet, 302-sedimentation chamber shield, 303-adjusting hand wheel 304-air blowing impurity inlet channel, 305-air inlet fan, 306-sedimentation device underframe, 307-impurity discharging port, 308-impurity collecting auger shaft, 309-belt wheel, 310-rotating gear, 311-impurity inlet, 312-linkage rack, 313-flow guiding baffle, 314-sedimentation chamber, 4-stage seed discharging device, 401-impurity collecting tank I, 402-impurity falling pipeline I, 403-impurity falling pipeline II, 404-impurity collecting tank II, 405-first-stage seed discharging pipe, 406-first-stage seed falling tank, 407-second-stage seed vibrating air sieve, 408-three-stage seed falling tank, 409-three-stage seed discharging pipe, 410-impurity outlet, 5-frame and power control device, 501-transmission shield, 502-cleaning device landing leg, 503-vibration conduction board, 504-electric cabinet, 505-support frame, 506-impurity receiving bucket II, 507-impurity receiving bucket I, 508-frame bottom plate, 509-motor support, 510-motor, 511-eccentric excitation rod.
Detailed Description
The invention will be further described with reference to the drawings and detailed description, wherein, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.
The invention provides a concrete embodiment of a multi-stage wind screen cleaner for irregular seeds such as alfalfa:
the multi-stage wind screen seed cleaner comprises a uniform seed feeding device, a multi-stage vibration screen device, a sedimentation impurity discharging device, a grading seed discharging device, a frame and a power control device, wherein the uniform seed feeding device, the multi-stage vibration screen device and the sedimentation impurity discharging device are matched to realize uniform grading cleaning treatment of seeds, the seeds after grading cleaning are graded and discharged by the grading seed discharging device, and the frame and the power control device are used for bearing and mounting the seed treatment device and providing power for the seed cleaner;
The uniform seed feeding device is a head feeding mechanism of a multi-stage air screen seed cleaner and comprises a hopper 101, a supporting bottom plate 102, a discharge baffle 103, an auxiliary vibrating shaft 104, a small rocker arm 105, an auxiliary rocker arm 106, a vibrating rib plate 107, a vibrating discharge plate 108, a spring screw 109, a vibrating main shaft 110, an eccentric connecting rod 111, a discharge plate bracket 112, a main swing arm 113, a hopper side lug 114, a seed guide base 115, an inoculation plate adjusting mechanism 116, a impurity inlet sealing plate 117 and an inoculation plate 118. The seed feeding device is integrally arranged above the cleaning screen frame 203) and the two side supporting frames 505, wherein the hopper 101 is fixed on the supporting frames through bolts, the seed guiding base 115 is fixedly arranged on the outer walls of the front side and the rear side of the cleaning screen frame 203 through bolts, and seeds in the hopper 101 are uniformly and stably fed into the multi-stage vibrating screen device from the seed guiding base 115) under the driving of the main vibrating shaft 110 and the vibrating eccentric connecting rod 111; hopper lugs 114 on the front side and the rear side of the hopper 101 are correspondingly and fixedly connected with front and rear supporting frames 505 through bolts. The connection position of the supporting bottom plate 102 and the discharge baffle 103 is provided with a straight slide notch, the straight slide notch is connected through a spring screw 109, the spring screw 109 is adjusted) to be tightness or the connection position of the straight slide notch is opposite to the straight slide notch, and the distance between the discharge baffle 103 and a discharge hole at the bottom of the hopper can be adjusted so as to adjust the seed discharge amount in unit time of seeds; the small rocker arms 105 are arranged at two ends of the vibration auxiliary shaft 104 and are connected with the auxiliary swing arms, so that the whole vibration, support and vibration amplitude increasing effects of the discharging plate are achieved; the two side vibration rib plates 107 are connected with the supporting bottom plate through a vibration auxiliary shaft 104 and are used for carrying out small-amplitude vibration excitation on the discharging baffle; the auxiliary swing arm 106 is connected with the discharge plate bracket through a pin shaft; the upper end of the discharging plate bracket 112 is connected with the main swing arm through a pin shaft to form a revolute pair, the middle of the discharging plate bracket is provided with a vibration discharging plate 108 with an adjustable dip angle, and the sliding speed of seeds on the surface of the discharging plate is adjusted by changing the dip angle; the lower end of the main swing arm 113 is provided with a vibration main shaft 110; the vibration main shaft 110 is provided with an eccentric connecting rod 111 which is connected with a impurity removal auger shaft 308 through a V belt for transmission; the other end of the eccentric connecting rod 111 is fixedly connected with the lower surface of the vibration discharging plate 108, and the whole seed feeding device is excited to realize uniform seed falling; the upper end of the impurity inlet sealing plate 117 is connected with the inner wall of the impurity inlet channel 311 of the sedimentation impurity discharging device, the lower end is in clearance fit with the seed receiving plate 118, dust, impurities and the like mixed in seeds falling onto the seed receiving plate from the vibration discharging plate are easy to be excited to fall off under the influence of inertia, and enter the sedimentation impurity discharging device through the impurity inlet 311 under the negative pressure suction effect in the sedimentation bin; the lower end of the inoculation plate 118 is movably connected with an inoculation plate adjusting device 216, and the adjustment of the inoculation height and angle is realized along with the expansion and contraction of an electric cylinder of the adjusting device; the seed guiding base 115 is installed on the front and rear outer walls of the cleaning sieve frame 203, and is used for guiding seeds sliding from the inoculating plate into the multi-stage vibrating sieve device.
As a further scheme of the invention, the multi-stage vibrating screen device 2 comprises a sundry shield 201, a side ear 202 of a screening machine frame, a screening machine frame 203, a seed dropping screen 204, a cleaning screen II 205, a second-stage cleaning screen 206, a cleaning screen I207, a first-stage cleaning screen 208, a third-stage cleaning screen 209, a seed thinning scraper 210 and a seed guide plate 211, wherein the side ear 202 of the screening machine frame is fixedly connected with a supporting leg 502 of the screening device arranged on a bottom plate 508 of the machine frame through bolts by a vibrating screen device main body, the position, close to the sundry shield, above the screening machine frame 203 is connected with a seed feeding base of a uniform seed feeding device through bolts, and a multi-stage vibrating screen body of the screening screen is arranged in the screening machine frame; the sundry shield 201 is arranged on the cleaning sieve frame 203 and is used for preventing dust sundries caused by excitation of the seed feeding device from directly falling into the seed guide plate; the seed dropping screen 204 is installed on the cleaning screen frame 203, and is used for receiving seeds sliding off from the seed guiding base 115 and screening the seeds to the seed guiding plate, and a plurality of through holes corresponding to the sizes of the seeds are arrayed on the seed dropping screen, so that the seeds can be smoothly dropped and impurities with larger volume can be discharged through the impurity collecting groove I401 installed at the tail end of the seed dropping screen; the seed guide plate 211 is fixedly connected with the cleaning sieve frame 203 at a certain oblique angle, and is used for buffering seeds falling from the seed falling sieve 204 and guiding the seeds to the front end of the primary cleaning sieve 208; the primary cleaning sieve 208 is drawer-shaped in appearance, a plurality of small irregular seed-shaped through holes are arrayed on the sieve surface, 4 rows of arc-shaped hook teeth are fixed below the sieve surface, the arc-shaped hook teeth are movably connected with the cleaning mesh screen I207, the arc-shaped hook teeth can assist in vibrating the cleaning mesh screen I207 when the primary cleaning sieve vibrates, and the effect of exciting, dredging and blocking seeds is provided; a plurality of cross bars are welded above the main body of the cleaning mesh screen I207 and used for flexibly adjusting the connection with the arc-shaped hook teeth, and a mesh screen is arranged below the main body of the cleaning mesh screen I207 and is integrally and movably connected with the cleaning screen frame 203; the seed-thinning scraper 210 is arranged on the bottom surface of the cleaning mesh screen I, is fixedly connected with a frame support of the cleaning mesh screen I, dispersedly buffers seeds falling down from the primary cleaning screen 208, and dredges stacked and blocked seeds on the secondary cleaning screen 206 in the vibration process; the secondary cleaning sieve is movably connected with a cleaning mesh screen II 205 through arc-shaped hook teeth arranged on the bottom surface of the secondary cleaning sieve, and a plurality of tiny irregular seed-shaped holes are arrayed on the sieve surface; the cleaning mesh screen II 205 is movably connected with the cleaning screen frame 206, a plurality of cross bars are welded above the cleaning mesh screen II and can flexibly adjust the connection with the arc-shaped hook teeth, and a mesh screen is arranged below the cleaning mesh screen II; the three-stage cleaning sieve 209 is a rectangular steel plate, is arranged at the bottom of the cleaning mesh screen II 205 and is fixedly connected with the cleaning sieve frame 203) at a certain oblique angle, and is used for sieving small seeds;
As a further scheme of the invention, the sedimentation impurity removing device 3) comprises a dust outlet 301, a sedimentation chamber shield 302, an adjusting hand wheel 303, an air blowing impurity inlet 304, a fan 305, a sedimentation device underframe 306, an impurity removing port 307, an impurity collecting auger shaft 308, a belt pulley 309, a rotating gear 310, an impurity inlet 311, a linkage rack 312, a flow guiding baffle 313 and a sedimentation chamber 314; the right side of the main body of the sedimentation impurity removing device is arranged on a bottom plate of a frame through a bottom frame 306 of the sedimentation device, and one side of the main body of the sedimentation impurity removing device is arranged above 203 a cleaning screen frame through a shield 302 of a sedimentation chamber; the main body of the dust outlet 301 is arranged above the sedimentation device shield 302, and the dust outlet can be externally connected with a dust collecting device; the sedimentation device shield 302 is arranged above the cleaning screen frame 203, and the left side of the shield is provided with a seed receiving plate 118 mounting port so as to facilitate the seed receiving plate to pass through and complete the mounting; the settling chamber 314 is a space area enclosed by the settling chamber shield 302, and is used for settling impurities such as larger particle dust under the action of wind force and dead weight; the air blowing impurity inlet channel 304) is arranged outside the sedimentation device and is fixedly connected with the air inlet fan 315 to form an impurity air blowing cleaning part, and the impurity air blowing cleaning part is used for guiding air flow generated by the fan 305 into the sedimentation chamber 314; the guiding baffle 313 is movably connected with the sedimentation device shield 302, and the installation inclination angle can be adjusted according to the requirements so as to realize smoke dust guiding in different directions; the adjusting handwheels 303 are arranged in front of the shield of the sedimentation device in pairs; the bottom of the linkage rack 312 is provided with a baffle plate, the baffle plate is arranged on the inner wall of the shield of the sedimentation device and meshed with the rotating gear 310, the rotating gear is coaxial with the rotation center of the adjusting hand wheel, and the baffle plate at the bottom of the linkage rack is driven to stretch and retract along with the rotation of the adjusting hand wheel, so that the opening sizes of the impurity inlet 311 and the air blowing impurity inlet 304 are adjusted; the belt pulley 309 is coaxial with the rotation center of the impurity collecting auger, and is used for providing power for the rotation of the impurity collecting auger and providing power for the rotation of the vibrating main shaft 110 of the uniform seed feeding device through belt transmission; the impurity collecting auger 308 is arranged on the inner wall of the sedimentation chamber shield 302 and is used for collecting and discharging sedimentation impurities when rotating; the impurity discharging port 307 is a rectangular long notch formed at the bottom of the sedimentation device shield and is arranged right above the impurity collecting tank II 404 for discharging impurities in the sedimentation chamber;
As a further scheme of the invention, the grading seed discharging device comprises a impurity collecting tank I401, a impurity discharging pipeline I402, a impurity discharging pipeline II 403, a impurity collecting tank II 404, a first-stage seed discharging pipe 405, a first-stage seed discharging tank 406, a second-stage seed vibrating air screen 407, a third-stage seed discharging tank 408, a third-stage seed discharging pipe 409 and a impurity discharging port 410, and the seed discharging device is used for discharging impurities and seeds of different stages after the multi-stage vibration screen device and the impurity discharging device finish cleaning. The impurity collecting groove I401) is arranged at the tail end of the seed dropping sieve, and the front end and the rear end of the impurity collecting groove I are provided with a certain installation height difference and are used for collecting and discharging larger particle impurities mixed in seeds; the impurity dropping pipeline I402 is fixedly arranged with the supporting frame 505 through bolts, and the inlet is connected with the tail end of the impurity collecting tank I and is used for guiding larger particle impurities to drop into the impurity receiving hopper I507; the front end and the rear end of the impurity collection groove II 404 are fixedly arranged on the front and the rear of the inner wall of the cleaning sieve frame through bolts, and the front end and the rear end have a certain installation height difference; the impurity dropping pipeline II 403 is arranged in front of the cleaning screen frame, and an inlet is connected with a front port of the impurity collecting tank II and is used for guiding dust and impurities discharged by the sedimentation device; the front end and the rear end of the first-stage seed dropping groove 406 are arranged on the inner wall of the cleaning sieve frame, the front end and the rear end have a certain installation height difference and are positioned between the cleaning mesh screen I207 and the first-stage cleaning sieve 208 and are used for collecting first-stage seeds which are screened out from the upper surface of the first-stage cleaning sieve; the seed inlet of the first-stage seed discharging pipe 405 is sleeved at the seed outlet position at the tail end of the first-stage seed falling groove, and the seed outlet of the seed discharging pipe can freely adjust the first-stage seed outlet position; the second-stage vibrating air screen 407 is installed on the cleaning screen frame, is positioned between the cleaning screen II 205 and the second-stage cleaning screen 206, and is used for discharging second-stage seeds on the screen surface of the second-stage cleaning screen 213, and the bottom fan 305 provides wind force to blow the seeds or unscreened impurities into the settling chamber through the impurity inlet channel after the seeds fall into the screen surface of the vibrating air screen; the three-stage seed dropping groove 408 is arranged on the inner wall of the cleaning screen frame and is positioned at the tail end of the three-stage cleaning screen 220 and is used for discharging three-stage seeds on the screen surface of the three-stage cleaning screen 220; the seed inlet of the third-stage seed discharging pipe 409 is sleeved at the seed outlet position at the tail end of the third-stage seed falling groove, and the seed outlet of the seed discharging pipe can freely adjust the third-stage seed outlet position; the impurity outlet 410 is arranged at the tail end of the impurity dropping pipeline II and is used for receiving the dust discharged from the impurity dropping pipeline and discharging the dust into the bottom impurity receiving hopper II. .
As a further scheme of the invention, the frame and the power control device comprise a transmission shield 501, a cleaning device supporting leg 502, a vibration conduction plate 503, an electric cabinet 504, a supporting frame 505, a trash holding hopper II 506, a trash holding hopper I507, a frame bottom plate 508, a motor bracket 509, a motor 510 and an eccentric excitation rod 511. The lower part of the supporting leg 502 of the cleaning device is arranged on the bottom plate 508 of the frame, and the upper part of the supporting leg is fixedly connected with the frame of the cleaning screen through bolts and is used for supporting and assisting in exciting the cleaning device; the electric cabinet 504 is arranged on the bottom plate of the frame and positioned on the right side of the supporting leg of the cleaning device, and is used as a main power source of the whole device to provide power for a working motor and the like and control the rotating speed so as to ensure the normal operation of the device; the support frame 505 is two trapezoid sheet metal parts, the lower end of the support frame is fixedly arranged on the bottom plate of the machine frame through bolts, and a bearing support is arranged at a position close to the bottom plate of the machine frame at a certain height and used for supporting the eccentric excitation rod; the middle eccentric part of the eccentric excitation rod 511 is connected with the vibration bearing plate through a plate, and the eccentric part is used for driving the bearing plate to vibrate through the rotation of the eccentric mechanism; the vibration bearing plate 503 is a square sheet metal part and is connected with the bottom of the right end of the three-stage cleaning sieve through bolts, and is used for transmitting vibration to the sieve body in the whole cleaning device; the impurity receiving hopper I507 and the impurity receiving hopper II 506 are fixed on a bottom plate of the frame through mounting sliding grooves, are respectively positioned below the impurity falling pipeline I402 and the impurity falling pipeline II 403 and are used for collecting dust and impurities screened by the cleaning device. The motor 510 is arranged on a bottom plate of the frame through a motor bracket 509, is connected with an eccentric excitation rod and a impurity collection auger shaft belt pulley through belt transmission, and provides adjustable excitation for the whole multi-stage cleaning device; the transmission shield 501 is arranged on the outer wall of the rear side of the shield of the sedimentation chamber of the sedimentation impurity removing device, and plays a role in protecting the safety of operators.
A cleaning method of a multi-stage wind screen seed cleaner comprises the following steps:
s1, uniformly dropping seeds with irregular shapes such as alfalfa and the like on the surface of an inoculation plate through a hopper under the excitation action, exciting sundry dust mixed in the seeds under the inertia action, entering a sundry inlet channel through a gap opening formed by the inoculation plate and the sundry inlet, and primarily cleaning the sundry dust;
s2, seeds slide down to a seed feeding base through an inoculating plate and then fall down to the surface of a seed dropping sieve, the seed dropping sieve screens out larger particle impurities under the action of gravity, and the larger particle impurities are discharged through a impurity collecting groove I arranged at the tail end of the seed dropping sieve;
s3, seeds fall into the surface of the first-stage cleaning sieve, move towards the tail end of the cleaning sieve under the action of vibration, and then fall into the first-stage seed falling groove. The small seeds which are screened out fall into the cleaning mesh screen I, and the seeds uniformly fall into the surface of the secondary cleaning screen under the action of the seed thinning scraper. Seeds move to the surface of the vibrating air screen under the vibration of the cleaning screen, and the impurity dust mixed in the second-stage seeds and not screened is settled and impurity-removed under the action of a fan and a settling device. The smallest seeds fall into the three-level cleaning sieve from the cleaning mesh screen II and fall into the three-level seed falling groove rightwards along with vibration;
S4, collecting seeds which fall into the grading seed discharging device after grading cleaning, and discharging the treated seeds through a seed discharging pipeline. See fig. 1-8.
The multi-stage wind screen seed cleaner of the embodiment comprises a 1, a uniform seed feeding device 2, a multi-stage vibration screen device/3, a sedimentation impurity discharging device 4, a grading seed discharging device 5, a frame and a power control device 5.
And in combination with the figures 1, 2 and 3, seeds to be cleaned mixed with impurities enter the hopper from the upper part of the uniform seed feeding device, the seed outlet baffle is attached to the opening below the hopper to form a seed outlet with adjustable size, and the seed outlet is realized at the relative position of the straight slide notch through the adjusting bolt spring. Seeds fall into the surface of the vibration discharging plate from the seed outlet, the main vibration shaft is combined with the vibration eccentric connecting rod to realize vibration excitation, the vibration excitation is transmitted to the discharging plate through the connecting rod mechanism consisting of the main swing arm, the discharging plate bracket, the auxiliary swing arm and the small swing arm, and the discharging plate enables the seeds on the surface to jump forward to fall into the seed receiving plate under the vibration excitation effect. The seed receiving plate is combined with the impurity inlet to form an impurity inlet gap, and dust mixed into seeds is sucked into the settling chamber under the action of seed flow pushing and negative pressure of the settling chamber. Seeds slide along the inclined inoculating plate and enter the seed feeding base, and then slide into the seed falling sieve through the seed feeding base.
Referring to fig. 1, 4, 5 and 6, seeds slide into the seed dropping screen from the seed feeding base, slide onto the seed dropping screen which is obliquely arranged, screen out larger particle impurities mixed in the seeds, and roll into the impurity collecting groove I which is obliquely arranged at the tail end of the seed dropping screen. The screened seeds fall onto the surface of the inclined seed guiding sieve from the seed falling sieve and slide down to the front end of the primary cleaning sieve along with the seed guiding sieve so as to increase the seed screening time. After seeds fall into the first-stage cleaning sieve, larger seeds enter a first-stage seed dropping groove obliquely arranged at the middle position of the tail ends of the first-stage cleaning sieve and the cleaning mesh screen I under the action of vibration and are discharged along with a first-stage seed dropping pipe; the seed dredging scraper is obliquely arranged at the bottom of the cleaning mesh screen I, and the seed dredging scraper is used for increasing the cleaning time of seeds on the surface of the secondary cleaning screen and dredging the seeds on the surface of the secondary cleaning screen under the action of vibration so as to avoid the accumulation and blockage of the seeds. Then the seeds enter a vibrating air screen from a secondary cleaning screen and are subjected to air separation under the action of a fan; the minimum seeds fall into the three-level cleaning sieve from the mesh of the cleaning mesh screen II, and the three-level seeds are transported to the three-level seed dropping groove by the three-level cleaning sieve with small vibration effect and are discharged along with the three-level seed dropping pipe.
As shown in fig. 1, 6 and 7, the sedimentation impurity removing device is installed above the multi-stage cleaning device, and mainly comprises a left impurity inlet, a right impurity inlet, an upper impurity removing opening and a lower impurity removing opening, dust which is excited after seeds fall onto the surface of the inoculating plate is sucked into the sedimentation chamber through the left impurity inlet, the seeds are arranged above the secondary vibrating air screen, and the dust is blown into the sedimentation chamber through the right impurity channel by the fan. Dust entering the settling chamber is converged to the middle position through the diversion effect of the guide plates at the left side and the right side, and part of lighter dust flows out through the dust outlet at the upper part under the continuous circulating flow field in the settling chamber and is collected by the external dust collecting device. Heavier sundries fall into the sundries collecting groove II from the sundries discharging port under the action of the sundries discharging auger shaft, and fall into the sundries collecting hopper through the sundries discharging pipeline II to finish collection.
Claims (6)
1. A multi-stage wind screen seed cleaner is characterized in that: comprises a uniform seed feeding device (1), a multi-stage vibrating screen device (2), a sedimentation impurity discharging device (3), a grading seed discharging device (4), a rack and a power control device (5), wherein the grading seed discharging device (4) is used for discharging impurities and seeds of different stages after cleaning; the uniform seed feeding device (1) comprises a hopper (101), a supporting bottom plate (102), a discharge baffle (103), a secondary vibrating shaft (104), a small rocker arm (105), a secondary rocker arm (106), a vibrating rib plate (107), a vibrating discharge plate (108), a spring screw (109), a vibrating main shaft (110), an eccentric connecting rod (111), a discharge plate bracket (112), a main swing arm (113), a hopper side lug (114), a seed guide base (115), an inoculation plate adjusting mechanism (116), a seed inlet sealing plate (117) and an inoculation plate (118); the uniform seed feeding device (1) is integrally arranged above a cleaning sieve frame (203) and two side supporting frames (505), a hopper (101) is fixed on the supporting frames (505) through bolts, a seed guiding base (115) is fixedly arranged on the outer walls of the front side and the rear side of the cleaning sieve frame (203) through bolts, the uniform seed feeding device (1) uniformly and stably feeds seeds in the hopper (101) into the multistage vibrating sieve device (2) from the seed guiding base (115) under the driving of a vibrating main shaft (110) and a vibrating eccentric connecting rod (111), hopper side lugs (114) on the front side and the rear side of the hopper (101) are correspondingly and fixedly connected with the front supporting frame (505) and the rear supporting frame through bolts, a supporting base plate (102) is arranged at the bottom of the side of the hopper (101), a straight sliding notch is formed in the connecting position of the supporting base plate (102) and a discharging baffle (103), the straight sliding notch is connected through a spring screw (109), the gap between the discharging baffle (103) and the bottom of the hopper (101) can be adjusted under the driving of the vibrating main shaft (110) and the vibration auxiliary shaft (106); the two side vibration rib plates (107) are connected with the supporting bottom plate (102) through the auxiliary vibration shaft (104) to perform small-amplitude vibration excitation on the discharging baffle; the auxiliary swing arm (106) is connected with the discharge plate bracket (112) through a pin shaft, the upper end of the discharge plate bracket (112) is connected with the main swing arm (113) through a pin shaft to form a revolute pair, the middle of the auxiliary swing arm is provided with a vibration discharge plate (108) with an adjustable dip angle, and the slip speed of seeds on the surface of the vibration discharge plate (108) is adjusted by changing the dip angle; the utility model discloses a vibrating screen device, including main swing arm (113), seed collection board (118), main swing arm (113) lower extreme is installed vibration main shaft (110), install eccentric connecting rod (111) on vibration main shaft (110) to connect the transmission through the V area with album miscellaneous auger axle (308), the other end of eccentric connecting rod (111) links firmly below vibration discharging plate (108), advance miscellaneous mouthful shrouding (117) upper end and subside miscellaneous passageway (311) inner wall connection of arranging miscellaneous device, lower extreme and meet board (118) clearance fit, the dust debris mixed in the seed that falls onto meet board (118) from vibration discharging plate (108) is excited and drops, gets into subsides miscellaneous device (3) through advancing miscellaneous mouthful (311) under the negative pressure suction effect in subsides the storehouse, inoculation board (118) lower extreme and inoculation board adjustment mechanism (116) swing joint, outer wall around the frame (203) is installed to seed guiding base (115), will follow seed water conservancy diversion that inoculation board (118) slide and get into multistage vibration screen device.
2. The multi-stage air screen seed cleaner of claim 1, wherein: the multi-stage vibrating screen device (2) comprises a sundry shield (201), a side ear (202) of a cleaning screen frame, a cleaning screen frame (203), a seed dropping screen (204), a cleaning screen II (205), a secondary cleaning screen (206), a cleaning screen I (207), a primary cleaning screen (208), a tertiary cleaning screen (209), a seed thinning scraper (210) and a seed guide plate (211), wherein the side ear (202) of the cleaning screen frame is fixedly connected with a supporting leg (502) of the cleaning device arranged on a bottom plate (508) of the frame through bolts by a main body of the multi-stage vibrating screen device (2), and the position, close to the sundry shield, above the cleaning screen frame (203) is connected with a seed feeding base of the uniform seed feeding device (1) through bolts; the sundry shield (201) is arranged on the cleaning sieve frame (203) and is used for preventing dust sundries caused by excitation of the seed feeding device from directly falling into the seed guide plate (211); the seed dropping screen (204) is arranged on the cleaning screen frame (203) and is used for receiving seeds sliding off from the seed guiding base (115) and screening the seeds to the seed guiding plate (211), a plurality of through holes corresponding to the sizes of the seeds are arrayed on the seed dropping screen (204), and impurities with larger volume are discharged through the impurity collecting groove I (401) arranged at the tail end of the seed dropping screen (204) while the seeds are ensured to smoothly drop; the seed guide plate (211) is fixedly connected with the cleaning sieve frame (203) at a certain oblique angle, seeds are guided to the front end of the primary cleaning sieve (208), the primary cleaning sieve (208) is drawer-shaped, a plurality of small irregular seed-shaped through holes are arrayed on the sieve surface, 4 rows of arc-shaped hook teeth are fixed below the sieve surface and are movably connected with the cleaning mesh screen I (207) through the arc-shaped hook teeth, and the arc-shaped hook teeth can assist in vibrating the cleaning mesh screen I (207) when the primary cleaning sieve (208) vibrates, so that the effect of exciting, dredging and blocking the seeds is provided; a plurality of cross bars are welded above the main body of the cleaning mesh screen I (207) and used for adjusting the connection with the arc-shaped hook teeth, a mesh screen is arranged below the main body of the cleaning mesh screen I, the whole main body of the cleaning mesh screen I is movably connected with a cleaning screen frame (203), a seed-thinning scraper (210) is arranged on the bottom surface of the cleaning mesh screen I (207) and fixedly connected with a frame support of the cleaning mesh screen I (207), seeds falling down by a primary cleaning screen (208) are scattered and buffered, and blocked seeds are stacked on a secondary cleaning screen (206) in a dredging process; the secondary cleaning sieve (206) is movably connected with the cleaning mesh screen II (205) through arc-shaped hook teeth arranged on the bottom surface of the secondary cleaning sieve, and a plurality of tiny irregular seed-shaped holes are arrayed on the sieve surface; the cleaning mesh screen II (205) is movably connected with the cleaning screen frame (203), a plurality of cross bars are welded above the cleaning mesh screen II and can be connected with the arc-shaped hook teeth in an adjustable manner, and a mesh screen is arranged below the cleaning mesh screen II; the three-stage cleaning sieve (209) is a rectangular steel plate and is arranged at the bottom of the cleaning mesh screen II (205) and fixedly connected with the cleaning sieve frame (203) at a certain oblique angle.
3. The multi-stage air screen seed cleaner of claim 2, wherein: the sedimentation impurity removing device (3) comprises a dust outlet (301), a sedimentation chamber shield (302), an adjusting hand wheel (303), an air blowing impurity inlet channel (304), a fan (305), a sedimentation device underframe (306), an impurity removing port (307), an impurity collecting auger shaft (308), a belt wheel (309), a rotating gear (310), an impurity inlet (311), a linkage rack (312), a guide baffle (313) and a sedimentation chamber (314); the right side of the main body of the sedimentation impurity removing device (3) is arranged on a machine frame bottom plate (508) through a sedimentation device underframe (306), and one side of the main body is arranged above a cleaning sieve machine frame (203) through a sedimentation chamber shield (302); the main body of the dust outlet (301) is arranged above the sedimentation chamber shield (302), and the dust outlet (301) can be externally connected with a dust collecting device; the sedimentation chamber shield (302) is arranged above the cleaning sieve frame (203), the left side of the sedimentation chamber shield (302) is provided with a collecting plate (118) mounting port, the sedimentation chamber (314) is a space area formed by enclosing and sealing the sedimentation chamber shield (302), the air blowing impurity inlet channel (304) is arranged outside the sedimentation device and is fixedly connected with the air inlet fan (315) to form an impurity air blowing cleaning part, and air flow generated by the fan (305) is led into the sedimentation chamber (314); the guide baffle (313) is movably connected with the sedimentation chamber shield (302), and the installation inclination angle can be adjusted; the adjusting handwheels (303) are arranged in front of the settling chamber shield (302) in pairs; the bottom of the linkage rack (312) is provided with a baffle, the baffle is arranged on the inner wall of the sedimentation chamber shield (302) and meshed with the rotating gear (310), the rotating gear (310) is coaxial with the rotation center of the adjusting hand wheel (303), the baffle at the bottom of the linkage rack (312) is driven to stretch along with the rotation of the adjusting hand wheel (303), the opening size of the impurity inlet (311) and the opening size of the impurity blowing inlet channel (304) are further adjusted, the belt wheel (309) is coaxial with the rotation center of the impurity collecting auger, power is provided for the rotation of the impurity collecting auger, and power is provided for the rotation of the vibration main shaft (110) of the uniform seed feeding device (1) through belt transmission; the impurity collecting auger shaft (308) is arranged on the inner wall of the sedimentation chamber shield (302), the impurity discharging port (307) is a rectangular long notch which is arranged at the bottom of the sedimentation chamber shield (302) and is arranged right above the impurity collecting groove II (404).
4. A multi-stage air screen seed cleaner as defined in claim 3, wherein: the grading seed discharging device (4) comprises a seed collecting groove I (401), a seed discharging pipeline I (402), a seed discharging pipeline II (403), a seed collecting groove II (404), a first-stage seed discharging pipe (405), a first-stage seed discharging groove (406), a second-stage seed vibrating air screen (407), a third-stage seed discharging groove (408), a third-stage seed discharging pipe (409) and a seed discharging port (410), wherein the seed collecting groove I (401) is arranged at the tail end of the seed discharging screen (204), and the front end and the rear end of the seed collecting groove I have a certain installation height difference and are used for collecting and discharging larger particle impurities mixed in seeds; the impurity dropping pipeline I (402) is fixedly arranged with the supporting frame (505) through bolts, the inlet is connected with the tail end of the impurity collecting tank I (401), the front end and the rear end of the impurity collecting tank II (404) are fixedly arranged on the front and the rear of the inner wall of the cleaning screen frame (203) through bolts, and the front end and the rear end have a certain installation height difference; the impurity dropping pipeline II (403) is arranged in front of the cleaning sieve frame (203), an inlet is connected with a front port of the impurity collecting groove II (404), the front end and the rear end of the first-stage seed dropping groove (406) are respectively arranged on the inner wall of the cleaning sieve frame (203), and a certain installation height difference is arranged at the front end and the rear end and is positioned between the cleaning mesh screen I (207) and the first-stage cleaning sieve (208) for collecting first-stage seeds selected from the upper surface of the first-stage cleaning sieve (208); the seed inlet of the first-stage seed discharging pipe (405) is sleeved at the seed outlet position at the tail end of the first-stage seed falling groove (406), and the seed outlet of the first-stage seed discharging pipe can freely adjust the first-stage seed outlet position; the secondary vibrating air screen (407) is arranged on the cleaning screen frame (203), is positioned between the cleaning screen II (205) and the secondary cleaning screen (206) and is used for discharging secondary seeds on the screen surface of the secondary cleaning screen (206), a bottom fan (305) provides wind force to blow the seeds or unscreened impurities on the surface of the seeds into the settling chamber (314) through a impurity inlet (311) after the seeds fall into the screen surface of the secondary vibrating air screen (407), and the tertiary seed falling groove (408) is arranged on the inner wall of the cleaning screen frame (203) and is positioned at the tail end of the tertiary cleaning screen (209) and is used for discharging tertiary seeds on the screen surface of the tertiary cleaning screen (209); the seed inlet of the three-stage seed discharging pipe (409) is sleeved at the seed outlet position at the tail end of the three-stage seed discharging groove (408), the seed outlet of the three-stage seed discharging pipe can be freely adjusted, and the impurity outlet (410) is arranged at the tail end of the impurity discharging pipeline II (403).
5. The multi-stage air screen seed cleaner of claim 4, wherein: the machine frame and power control device (5) comprises a transmission shield (501), a cleaning device supporting leg (502), a vibration conduction plate (503), an electric cabinet (504), a support frame (505), a impurity receiving hopper II (506), an impurity receiving hopper I (507), a machine frame bottom plate (508), a motor bracket (509), a motor (510) and an eccentric excitation rod (511), wherein the lower part of the cleaning device supporting leg (502) is arranged on the machine frame bottom plate (508), the upper part of the cleaning device supporting leg is fixedly connected with the cleaning sieve machine frame (203) through bolts, the electric cabinet (504) is arranged on the machine frame bottom plate (508) and is positioned on the right side of the cleaning device supporting leg, the support frame (505) is a two-trapezoid sheet metal part, the lower end of the support frame is fixedly arranged on the machine frame bottom plate (508) through bolts, and a bearing support seat is arranged at a position close to the machine frame bottom plate (508) with a certain height and is used for supporting the eccentric excitation rod (511), and the middle eccentric part of the eccentric excitation rod (511) is connected with the vibration conduction plate (503) through a plate. The vibration conduction plate (503) is a square sheet metal part and is connected with the bottom of the right end of the three-stage cleaning sieve (209) through bolts; the impurity receiving hopper I (507) and the impurity receiving hopper II (506) are fixed on a frame bottom plate (508) through mounting sliding grooves and respectively positioned below the impurity dropping pipeline I (402) and the impurity dropping pipeline II (403), and the motor (510) is mounted on the frame bottom plate (508) through a motor bracket (509) and is connected with an eccentric excitation rod (511) and an impurity collecting auger shaft belt wheel through belt transmission; the transmission shield (501) is arranged on the outer wall of the rear side of the sedimentation chamber shield (302) of the sedimentation impurity discharging device (3).
6. The cleaning method of a multi-stage air screen seed cleaner according to any one of claims 1 to 5, comprising the steps of:
s1, alfalfa seeds uniformly fall onto the surface of a seed receiving plate (118) through a hopper (101) under the excitation action, sundry dust mixed in the seeds is excited under the inertia action, and enters a sundry inlet (311) through a gap formed by the seed receiving plate (118) and the sundry inlet (311), so that sundry dust is primarily cleaned;
s2, seeds slide down to a seed feeding base through an inoculating plate (118), then fall down to the surface of a seed dropping sieve (204), move downwards under the action of gravity, and the seed dropping sieve (204) screens out larger particle impurities and is discharged through a impurity collecting groove I (401) arranged at the tail end of the seed dropping sieve (204);
s3, seeds fall on the surface of a first-stage cleaning sieve (208), move towards the tail end of the first-stage cleaning sieve (208) under the action of vibration, then fall into a first-stage seed-falling groove (406), the screened smaller seeds fall into a cleaning mesh screen I (207), the seeds uniformly fall on the surface of a second-stage cleaning sieve (206) under the action of a seed-thinning scraper (210), the seeds move to the surface of a second-stage seed-vibrating air sieve (407) under the action of the vibration of the second-stage cleaning sieve (206), the impurity dust mixed in the second-stage seeds is settled and impurity-removed under the action of a fan (305) and a settling device, and the smallest seeds fall into a third-stage seed-falling groove (408) from a cleaning mesh screen II (205) along with the vibration to the right;
S4, collecting seeds which fall into the grading seed discharging device (4) after grading cleaning, and discharging the treated seeds through a seed discharging pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311213256.6A CN117019631B (en) | 2023-09-20 | 2023-09-20 | A multi-stage air-screen seed cleaner and cleaning method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311213256.6A CN117019631B (en) | 2023-09-20 | 2023-09-20 | A multi-stage air-screen seed cleaner and cleaning method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117019631A true CN117019631A (en) | 2023-11-10 |
| CN117019631B CN117019631B (en) | 2026-04-28 |
Family
ID=88631989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311213256.6A Active CN117019631B (en) | 2023-09-20 | 2023-09-20 | A multi-stage air-screen seed cleaner and cleaning method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117019631B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116889971A (en) * | 2023-07-24 | 2023-10-17 | 中国农业大学 | A plasma seed uniform treatment machine with multi-stage air screen cleaning function |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205217371U (en) * | 2015-12-01 | 2016-05-11 | 富源县胜玉种业有限公司 | Maize seed air screen cleaning system |
| CN207057002U (en) * | 2017-08-10 | 2018-03-02 | 深圳市港龙混凝土有限公司 | A kind of vibrating sieving machine |
| CN107855281A (en) * | 2017-11-27 | 2018-03-30 | 巴彦淖尔市农牧业科学研究院 | Small-size multifunction air-and-screen cleaner |
| CN211026147U (en) * | 2019-10-11 | 2020-07-17 | 易葫芦科技(苏州)有限公司 | Vibration blanking type dispensing device for traditional Chinese medicine decoction pieces |
| WO2021208159A1 (en) * | 2020-04-13 | 2021-10-21 | 青岛理工大学 | Adsorption and multi-stage sieving-type peanut pod sorting and impurity removal system and method |
| CN216048749U (en) * | 2021-07-29 | 2022-03-15 | 郑州中谷机械制造有限公司 | Feed rate adjusting mechanism for grain drier |
-
2023
- 2023-09-20 CN CN202311213256.6A patent/CN117019631B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205217371U (en) * | 2015-12-01 | 2016-05-11 | 富源县胜玉种业有限公司 | Maize seed air screen cleaning system |
| CN207057002U (en) * | 2017-08-10 | 2018-03-02 | 深圳市港龙混凝土有限公司 | A kind of vibrating sieving machine |
| CN107855281A (en) * | 2017-11-27 | 2018-03-30 | 巴彦淖尔市农牧业科学研究院 | Small-size multifunction air-and-screen cleaner |
| CN211026147U (en) * | 2019-10-11 | 2020-07-17 | 易葫芦科技(苏州)有限公司 | Vibration blanking type dispensing device for traditional Chinese medicine decoction pieces |
| WO2021208159A1 (en) * | 2020-04-13 | 2021-10-21 | 青岛理工大学 | Adsorption and multi-stage sieving-type peanut pod sorting and impurity removal system and method |
| CN216048749U (en) * | 2021-07-29 | 2022-03-15 | 郑州中谷机械制造有限公司 | Feed rate adjusting mechanism for grain drier |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116889971A (en) * | 2023-07-24 | 2023-10-17 | 中国农业大学 | A plasma seed uniform treatment machine with multi-stage air screen cleaning function |
| CN116889971B (en) * | 2023-07-24 | 2025-07-25 | 中国农业大学 | Plasma seed even processor with multistage wind screen cleaning function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117019631B (en) | 2026-04-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104160818B (en) | A kind of full feed type peanut combine | |
| CN111296041B (en) | Peanut pickup combine harvester with low dust emission | |
| CN203608555U (en) | Combine harvester for mandulapalka | |
| CN221010904U (en) | Cleaning system and combine harvester | |
| CN117019631B (en) | A multi-stage air-screen seed cleaner and cleaning method | |
| CN112934706A (en) | Efficient, environment-friendly and energy-saving raw grain impurity removing device | |
| CN108057621A (en) | Agricultural product sieve optimum decision system | |
| CN212138461U (en) | Peanut seedling crushing and collecting device for peanut harvester | |
| CN111165154A (en) | Peanut harvesting system | |
| CN117085943A (en) | Seed screening device and method of use | |
| CN111545457A (en) | Garlic clove grading mechanized device and control method thereof | |
| CN212936724U (en) | A low dust peanut picking combine harvester | |
| CN212138464U (en) | A wind-selection peanut fruit collecting device for peanut harvester | |
| CN113261432A (en) | Test bed and test method of through-flow air screen type food sunflower cleaning device | |
| CN211134613U (en) | Wheat grain cleaner | |
| CN210537463U (en) | Harvester is picked up to peanut and transmission arrangement system thereof | |
| CN218133313U (en) | Seed screening installation for farming | |
| CN202738441U (en) | Peanut combine harvester | |
| CN106385931A (en) | Self-propelled combined peanut pickup and harvesting machine | |
| CN211960151U (en) | A device for picking and separating peanut seedlings for peanut harvester | |
| CN112387575A (en) | Environment-friendly cereal cleaning device | |
| CN103583140A (en) | Peanut combine | |
| CN208771824U (en) | A kind of air-screen separator | |
| CN212138451U (en) | A flotation mechanism for peanut harvester | |
| CN220111624U (en) | Seed wind selector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant |