CN213187167U - Seed guiding box and seeding tray - Google Patents

Abstract

The utility model relates to the technical field of agricultural machinery, a lead kind of box and seeding tray. The seed feeding device comprises a main box body and a seed guiding shell, wherein the main box body is a sector annular box body with a seed guiding cavity inside, a seed feeding channel communicated with the seed guiding cavity is arranged on the inner annular surface of the right part of the main box body, and a downward convex guiding boss is fixed on the inner wall of the upper part of the main box body corresponding to the position of the right side of the lower part of the seed feeding channel; the seed sucking disc comprises a central shaft, a connecting sleeve, an air chamber base disc, a fixed disc, an observation cover, a seed sucking disc and a seed guiding box, wherein the central shaft is a hollow shaft arranged in the front-back direction, and the connecting shaft is fixed at the rear end of the central shaft. The utility model has the advantages of reasonable and compact structure, it is suitable for the convenience, can realize the fast switch-over of multiple plant spacing mode, can avoid the seed when the whereabouts of under-planting mouth, duckbilled cavitation ware is high-speed to be rotated the back and the seed is missed to cause the cavity or cut kind of phenomenon with the seed, can improve seeding efficiency, also can be applicable to the operation of multiple plant spacing mode, have adjust simple, laborsaving, simple and convenient, efficient characteristics.

Description

Seed guiding box and seeding tray

Technical Field

The utility model relates to the technical field of agricultural machinery, a lead kind of box and seeding tray.

Background

With the continuous development of agricultural production technology and agricultural machinery technology in China, the variety and variety of crops are more and more diversified, with the large-area popularization of good crops, the cost of seeds is continuously increased, the income of farmers is directly influenced, so that the control of the precision degree and the planting distance of the farmers is more and more refined, although the current seeding machine on the market can realize the adjustment of the planting distance, in the practical application process, the adjustment range of the planting distance is smaller, the adjustment process of the equipment planting distance is complex, the disassembly and assembly are complicated, and when the adjusted seeding plate is used, particularly under the working mode aiming at small planting distance and high rotating speed, the flowing time of the seeds to the duckbill hole forming device in a fixed plate is too short compared with the rotating time of the duckbill hole forming device, the phenomenon of cavity or seed cutting is caused, and the operation efficiency is reduced, great inconvenience is brought to the combined use and maintenance of users, and the difficulty of popularization of the sowing disc in the sowing operation of farmers is increased.

Disclosure of Invention

The utility model provides a lead kind of box and seeding tray has overcome above-mentioned prior art not enough, and it can effectively solve the problem that the plant spacing accommodation process that current seeding tray exists is complicated, accommodation range is little and the hole appears and surely kind phenomenon.

One of the technical schemes of the utility model is realized through following measures: a seed guiding box comprises a main box body and a seed guiding shell, wherein the main box body is a sector annular box body with a seed guiding cavity inside, a seed feeding channel communicated with the seed guiding cavity is arranged on the inner ring surface of the right part of the main box body, a guide boss protruding downwards is fixed on the inner wall of the upper part of the main box body corresponding to the right side position of the lower part of the seed feeding channel, a seed outlet communicated with the seed guiding cavity is arranged on the outer ring surface of the left side of the main box body corresponding to the left lower position of the seed feeding channel, a right chute with an upward opening and a right end extending to the right side surface of the main box body is arranged on the inner ring surface of the right part of the main box body, a left chute with an upward opening and a right end communicated with the left part of the seed feeding channel is arranged on the inner ring surface of the left part of the main box body, a convex guiding platform is formed by extending the inner wall of the left chute along the clockwise direction, a right part of the main box body corresponding to the lower position of the right chute extends, the left sliding groove is internally provided with a fan-shaped seed guiding shell, the left end of the fan-shaped seed guiding shell can be connected with one end of the auxiliary box body, which has the same structure as the main box body and is uniformly distributed along the circumference, of the adjacent position, close to the left end of the main box body in a clamping manner, the inner annular surface of the seed guiding shell is provided with a seed guiding groove, the right end of the seed guiding groove is communicated with the seed inlet channel, and the front side and the rear side of the left part of the main box body are respectively provided with.

The following is a further optimization or/and improvement of one of the above technical solutions of the present invention:

the inner ring surface of the right part of the main box body corresponding to the position between the seed feeding channel and the right sliding groove can be fixed with a limiting stop bar of which the right side is positioned in the right sliding groove, and the inner ring surface of the left end of the seed guide shell is provided with a limiting groove matched with the limiting stop bar.

The inner ring surface at the front side of the main box body corresponding to the left position of the limit stop strip can be provided with a left front slide rail, the rear part of the left front slide rail and the inner ring surface at the front side of the main box body form a Contraband-shaped left front slide groove with a backward opening, the inner ring surface at the rear side of the main box body is provided with a left rear slide rail which has the same structure as the left front slide rail and is symmetrically distributed front and back, the front part of the left rear slide rail and the inner ring surface at the rear side of the main box body form a Contraband-, the front and the rear sides of the seed guiding shell corresponding to the inner ring surface of the main box body are respectively bent outwards to form a front flange capable of sliding along the circumference in the left front sliding groove and a rear flange capable of sliding along the circumference in the left rear sliding groove, the front side of the left front slide rail and the rear side of the left rear slide rail corresponding to the left side of the main box body are respectively provided with a positioning hole, the front flanging front side and the rear flanging rear side corresponding to the position of the positioning hole are respectively provided with a plurality of adjusting screw holes at intervals along the circumference, and each positioning screw penetrates through the positioning hole and then is screwed into the adjusting screw hole corresponding to the position.

The inner ring surface of the front side of the main box body corresponding to the right position of the limiting stop strip can be provided with a right front sliding rail, the rear part of the right front sliding rail and the inner ring surface of the front side of the main box body form a right front sliding groove with the same cross section as the left front sliding groove, the inner ring surface of the rear side of the main box body is provided with a right rear sliding rail which has the same structure as the right front sliding rail and is symmetrically distributed front and back, and the front part of the right rear sliding rail and the inner ring surface of the rear side of the main box body form a.

Above-mentioned seed cavity lower part inner wall can be by lower supreme slope from left to right, left spout, right spout and seed guide groove are big-end-up's isosceles trapezoid to the projection on the vertical face in front to back, the main box body left part front side that corresponds the play seed position is equipped with preceding connecting seat, preceding connecting seat is including controlling left gusset and the right gusset of interval fixed connection in main box body left part front side, right gusset downside is fixed with right-hand member upside and left gusset downside fixed connection's curved connecting plate, connecting plate rear side and main box body front side fixed connection, connecting plate central authorities are equipped with the connecting hole that link up from top to bottom, main box body left part rear side is fixed with the back connecting seat that just front and back symmetric distribution was the same with preceding connecting seat structure.

The second technical scheme of the utility model is realized through following measure: a seed tray comprises a central shaft, a connecting sleeve, an air chamber seat tray, a fixed tray, an observation cover, a seed sucking tray and a seed guiding box, wherein the central shaft is a hollow shaft arranged in the front-back direction, the connecting shaft is fixed at the rear end of the central shaft, the central axis of the connecting shaft is collinear with the central axis of the central shaft, the inner side of the rear part of the connecting sleeve is hermetically and rotatably connected with the outer side of the connecting shaft, the inner side of the front part of the connecting sleeve is hermetically and rotatably connected with the outer side of the rear part of the central shaft, the seed sucking tray is fixedly installed at the outer side of the front part of the connecting sleeve and comprises a seed sucking tray body and an oil nozzle body, the seed sucking tray body is annular, the inner side of the seed sucking tray body is hermetically and fixedly installed with the outer side of the front part of the connecting sleeve, a group of fixed seed sucking holes and at least one group of adjustable seed sucking holes, the number of each group of adjustable seed sucking holes and the number of the fixed seed sucking holes are different, each adjustable seed sucking hole and each fixed seed sucking hole are same in size and are coaxially arranged, an oil nozzle body is screwed in each fixed seed sucking hole, a plug wire or an oil nozzle body is screwed in each adjustable seed sucking hole, an oil nozzle suction head of each oil nozzle body is positioned on the front side of the seed sucking disc body, a rear side cover is fixedly installed on the outer side of the rear part of the connecting sleeve in a sealing manner, a cylindrical air chamber base disc is fixedly installed on the front side of the rear side cover in a sealing manner, the front end of the air chamber base disc is in sealing contact with the rear end of the seed sucking disc body positioned on the outer side of the oil nozzle body, a seed sucking air chamber is formed among the inner side of the air chamber base disc, the rear end face of the seed sucking disc body and the outer side of the connecting sleeve, at least one communicating hole communicated with the seed sucking air, the rear end surface of the fixed disc close to the outer side is fixedly provided with a fixed ring platform which extends backwards and is close to the front end surface of the seed sucking disc body, the inner side of the fixed ring platform, the outer side of the central shaft, the rear end surface of the fixed disc and the front end surface of the seed sucking disc body form a seeding cavity, the right side of the rear part of the fixed disc is fixedly provided with an arc plate which divides the seeding cavity into a seed storage bin and a seed discharging bin, the right side of the upper part of the seed storage bin is communicated with the upper part of the seed discharging bin, the arc plate comprises an arc section and a vertical section which are sequentially fixed together from top to bottom, the arc section is an arc plate-shaped structure which is arranged at the right side of the central shaft and is opened to the left, the distance from the outer side of the arc section to the central shaft central line is smaller than the distance from the central line of the oil nozzle body to the central shaft, the vertical section is a vertical plate-shaped structure which is, a seed cleaning brush is arranged in the wide channel, a mounting seat capable of fixedly mounting the seed cleaning brush in the wide channel is fixedly arranged at the rear side of the fixed disc corresponding to the right position of the seed cleaning brush, a fixing bolt is fixedly arranged at the rear side of the right part of the mounting seat, a seed discharging spring capable of discharging seeds on the oil nozzle body into a seed discharging bin is fixedly arranged at the rear end of the fixing bolt, a seed discharging port communicated with the seed discharging bin is arranged at the lower part of the fixed disc corresponding to the lower position of the seed discharging spring, a seed inlet communicated with the seed storing bin is arranged at the left side of the front part of the fixed disc, a seed inlet fixedly communicated with the seed discharging bin is arranged at the left side of the lower part of the fixed disc corresponding to the left position of the vertical section, a seed discharging port communicated with the seed inlet is fixedly arranged at the left side of the fixed disc, a seed discharging pipe inclined from back to front, a seed discharging cover is screwed at the front end of the seed discharging pipe in a sealing manner, a front side cover is sleeved at the right end of the fixed disc, the rear end face of the front side cover corresponding to the position of the rear ring groove is provided with a front ring groove with a backward opening, the front ring groove is internally provided with a seed sowing ring with the rear end positioned in the rear ring groove, the front side cover, the rear side cover and the seed sowing ring are fixedly connected together through a plurality of first connecting bolts which are arranged outside the seed sowing ring and are uniformly distributed along the circumference, the outer side of the middle part of the seed sowing ring is provided with a seed passing hole which corresponds to the oil nozzle body and is communicated with the inside and the outside, the inner side of the seed sowing ring is uniformly provided with seed guiding boxes which correspond to the oil nozzle body and are connected end to end, the connecting plate of each seed guiding box is fixedly arranged together with the corresponding position inside the seed sowing ring, the seed inlet channel of each seed guiding box can be communicated with a seed discharging hole corresponding to the position of the oil nozzle body, the seed outlet of each seed guiding box is communicated with the seed passing hole, the outer side of the seed sowing ring corresponding to the position of each seed passing, the protection tile is an arc-shaped plate, a front protection plate is vertically bent in the front side direction of the protection tile, the front protection plate is fixedly connected with the front end of a front side cover, a rear protection plate is vertically bent in the rear side direction of the protection tile, the rear protection plate is fixedly connected with the rear end of a rear side cover, the arc-shaped plate is inwards extended at the left end and the right end of the protection tile, and the lower portion of the rack is fixedly connected to the outer side of a central shaft at the front side.

A fan-shaped annular observation hole communicated with the seed storage bin is arranged on the left side of the upper part of the fixed disc corresponding to the position above the central shaft, a fan-shaped annular observation cover is arranged on the front side of the fixed disc corresponding to the position of the observation hole, the rear side of the left end of the observation cover is hinged with the front side of the fixed disc, a fixing lug is arranged at the right end of the observation cover, a second connecting bolt is screwed on the fixing lug, the rear side of the observation cover is fixedly connected with the front side of the fixed disc through the second connecting bolt, at least one seed cleaning spring capable of scraping redundant seeds adsorbed on the oil nozzle body into the seed storage bin is arranged on the right side of the front part of the observation cover, one end of each seed cleaning spring is close to the outer side of the rear end of the oil nozzle body, the other end of each seed cleaning spring is fixedly connected with the rear end of a third connecting bolt with the front side of the fixed disc through the front end of the fixed disc, a positioning nut fixedly connected with the rear side of the front end of, the front end of the lower part of the fixed disc corresponding to the upper right position of the mounting seat is provided with an inspection hole communicated with the seed unloading bin, the front end of the fixed disc is provided with an inspection cover, a step hole with a wide front side and a narrow back side is arranged on the inspection cover, a compression spring is arranged in a wide diameter section of the step hole, and a compression screw capable of enabling the rear side of the inspection cover to be in contact with the front end of the fixed disc and sealing the inspection hole is arranged in the compression spring in a penetrating mode.

The following is further optimization or/and improvement of the second technical scheme of the utility model:

a connecting ring platform can be fixed on the outer side of the front part of the connecting sleeve, an annular groove with a forward opening is arranged on the outer side of the connecting ring platform, a first sealing ring is arranged in the annular groove, the seed sucking disc body is sleeved on the outer side of the front end of the connecting ring platform, a pressing ring capable of enabling the rear end of the seed sucking disc body to be tightly abutted against the first sealing ring is fixedly arranged at the front end of the connecting ring platform, a second sealing ring is arranged between the front end surface of the air chamber seat disc and the rear end surface of the seed sucking disc, a rear limiting sleeve sleeved on the outer side of the central shaft is fixed in the center of the rear end of the fixed disc, a front limiting sleeve sleeved on the outer side of the central shaft is fixed in the center of the front end of the fixed disc, a round nut, the front end of the central shaft corresponding to the front position of the round nut is in threaded connection with an elbow, the upper end of the elbow is in threaded connection with a hose connector, and the upper end of the hose connector can be fixedly communicated with an air source pipeline.

The fixed plate with the rear end positioned at the rear of the seed inlet pipe can be fixed on the outer side of the rear end of the seed inlet pipe, a clamping groove with an upward opening is formed in the upper end of the fixed plate corresponding to the rear position of the seed inlet pipe, a seed limiting plate capable of moving up and down is arranged in the clamping groove, and a plurality of fixing screws capable of enabling the fixed plate to be fixedly connected with the fixed plate and enabling the seed limiting plate to be positioned are distributed on the front side of the fixed plate along.

The front outer side of the seeding ring can be provided with a plurality of inserting holes at intervals along the circumference, the back side of the bottom plate of the duckbilled hole former extends forwards to form an inserting wing plate which can be inserted into the inserting holes of the corresponding positions, and the front side of the bottom plate of the duckbilled hole former is fixedly connected with the seeding ring through a plurality of bolts which are distributed at intervals.

The front end of the fixed disc corresponding to the right position of the central shaft is fixedly provided with a positioning pin.

The utility model has the advantages of reasonable and compact structure, it is suitable for the convenience, can realize the fast switch-over of multiple plant spacing mode, can avoid the seed when the whereabouts of under-planting mouth, duckbilled cavitation ware is high-speed to be rotated the back and the seed is missed to cause the cavity or cut kind of phenomenon with the seed, can improve seeding efficiency, also can be applicable to the operation of multiple plant spacing mode, have adjust simple, laborsaving, simple and convenient, efficient characteristics.

Drawings

Fig. 1 is a schematic front view structure diagram of the first embodiment.

Fig. 2 is a front sectional structural view of fig. 1.

FIG. 3 is a schematic cross-sectional view taken along line A-A of FIG. 1.

FIG. 4 is a schematic structural view of three embodiments, namely a front view structure and a back view structure, which are uniformly connected together along the circumference.

Fig. 5 is a schematic front view of the second embodiment with the frame and the elbow removed.

Fig. 6 is a left side sectional structural schematic view of the second embodiment.

Fig. 7 is a perspective view of the second embodiment.

Fig. 8 is a rear view structural schematic diagram of the fixed plate in the second embodiment.

Fig. 9 is a schematic front view of the fixed plate according to the second embodiment.

Fig. 10 is a left side sectional structural view of fig. 9.

FIG. 11 is a schematic structural view of a seed suction plate with three oil nozzle bodies according to the second embodiment.

Figure 12 is a schematic top view of the base plate of the duckbill cavitator in accordance with the second embodiment.

The codes in the figures are respectively: 1 is a main box body, 2 is a guide boss, 3 is a convex guide platform, 4 is a limit stop bar, 5 is a left front slide rail, 6 is a right front slide rail, 7 is a front flange, 8 is a rear flange, 9 is a seed guide shell, 10 is a positioning screw, 11 is an auxiliary box body, 12 is a left rib plate, 13 is a right rib plate, 14 is a connecting plate, 15 is a central shaft, 16 is a connecting shaft, 17 is a connecting sleeve, 18 is a connecting ring platform, 19 is a pressing ring, 20 is an air chamber base plate, 21 is a fixed disc, 22 is a fixed ring platform, 23 is a front limit sleeve, 24 is a rear limit sleeve, 25 is an observation cover, 26 is a seed cleaning spring, 27 is a positioning nut, 28 is an adjusting handle, 29 is an arc-shaped section, 30 is a vertical section, 31 is a seed cleaning brush, 32 is a mounting seat, 33 is a fixing bolt, 34 is a seed removing spring, 35 is an inspection cover, 36 is an elbow, 37 is a compression screw, 38 is a front tile, 39 is a front side cover, 40 is a rear side cover, 41 is a seeding, 42 is first connecting bolt, 43 is the second connecting bolt, 44 is the third connecting bolt, 45 is the seed sucking disc body, 46 is the glib talker body, 47 is the lug, 48 is the lock wire, 49 is the fixed plate, 50 is the seed inlet pipe, 51 is the seed limit board, 52 is the seed discharging pipe, 53 is the cover of seed discharging, 54 is the round nut, 55 is duckbilled cavitation ware, 56 is the hose coupling, 57 is the locating pin, 58 is the kind of chamber, 59 is the passageway of planting, 60 is the seed outlet, 61 is the overlap joint groove, 62 is the spacing groove, 63 is adjusting screw, 64 is the kind of groove, 65 is the seed sucking air chamber, 66 is the intercommunicating pore, 67 is the kind of storehouse, 68 is the seed discharging storehouse, 69 is the seed setting.

Detailed Description

The utility model discloses do not receive the restriction of following embodiment, can be according to the utility model discloses a technical scheme and actual conditions determine concrete implementation.

In the present invention, for convenience of description, the description of the relative position relationship of the components is described according to the layout mode of the attached drawing 1 in the specification, such as: the positional relationship of front, rear, upper, lower, left, right, etc. is determined in accordance with the layout direction of the drawings of the specification.

The invention will be further described with reference to the following examples and drawings:

the first embodiment is as follows: as shown in the attached figures 1, 2, 3 and 4, the seed guiding box comprises a main box body 1 and a seed guiding shell 9, wherein the main box body 1 is a fan-ring-shaped box body with a seed guiding cavity 58 inside, a seed feeding channel 59 communicated with the seed guiding cavity 58 is arranged on the inner ring surface of the right part of the main box body 1, a guide boss 2 protruding downwards is fixed on the inner wall of the upper part of the main box body 1 corresponding to the right side position of the lower part of the seed feeding channel 59, a seed outlet 60 communicated with the seed guiding cavity 58 is arranged on the outer ring surface of the left side of the main box body 1 corresponding to the left lower part of the seed feeding channel 59, a right chute with an upward opening and a right end extending to the right side surface of the main box body 1 is arranged on the inner ring surface of the right part of the main box body 1, a left chute with an upward opening and a right end communicated with the left part of the seed feeding channel 59 is arranged on the inner ring surface of the left part of the main box body 1, the inner wall of the left chute extends clockwise to form a convex guide boss 3, and the The protruding guide table 3 of box body 11 laps in overlap joint groove 61 on main box body 1 upper portion right side, sliding connection has the left end can be close to the annular lead kind shell 9 of the fan that the one end block of main box body 1 left end is connected with the vice box body 11 of the adjacent position of circumference equipartition is followed to the left side spout the same with main box body 1 structure, be equipped with the right-hand member on leading kind shell 9 inner ring face and advance kind of groove 64 of kind passageway 59 intercommunication, 1 left part front side of main box body and left part rear side all are equipped with the set screw 10 that can fix and lead kind shell 9.

According to the demand, main box body 1 can integrated into one piece or components of a whole that can function independently equipment, and at least three seed guide box is along circumference evenly distributed and end to end connection together. When the main box body 1 rotates from the lowest part to the uppermost part along the clockwise direction in the use process, the seeds entering from the seed inlet channel 59 fall into the right part of the seed guiding cavity 58 and approach to the guiding lug boss 2, when the main box body 1 rotates from the uppermost part to the lowest part along the clockwise direction, the seeds in the seed guiding cavity 58 fall into the left lower part of the seed guiding cavity 58 and enter the seed outlet 60 under the action of the guiding lug boss 2, by arranging the guide boss 2, the phenomenon that seeds in the seed guide cavity 58 enter the seed inlet channel 59 again when the main box body 1 rotates and miss the optimal seed outlet time to cause a seeding cavity phenomenon can be avoided, the overlapping groove 61 is arranged to facilitate the connection between a plurality of seed guiding boxes, the seed guiding groove 64 is arranged to provide an adjusting circumference adjusting space of the seed guiding shell 9, through setting up set screw 10 and overlap joint groove 61, can fix a position leading kind of shell 9, compact structure adjusts the convenience.

The seed guiding box can be further optimized or/and improved according to actual needs:

as shown in fig. 1, 2 and 4, a right limiting stop bar 4 is fixed on the inner ring surface of the right part of the main box body 1 corresponding to the position between the seed feeding channel 59 and the right chute, and a limiting groove 62 matched with the limiting stop bar 4 is arranged on the inner ring surface of the left end of the seed guiding shell 9.

In the use, through such setting, can further carry on spacingly to leading kind of box, make along a plurality of circumference equipartition lead kind of box and connect compacter.

As shown in the attached figures 1, 2, 3 and 4, the inner ring surface at the front side of the main box body 1 corresponding to the left position of the limit stop strip 4 is provided with a left front slide rail 5, the rear part of the left front slide rail 5 and the inner ring surface at the front side of the main box body 1 form a Contraband-shaped left front slide groove with a backward opening, the inner ring surface at the rear side of the main box body 1 is provided with a left rear slide rail which has the same structure as the left front slide rail 5 and is symmetrically distributed front and back, the front part of the left rear slide rail and the inner ring surface at the rear side of the main box body 1 form a Contraband-shaped left rear slide groove with a forward opening, the front and rear sides of the seed guiding shell 9 corresponding to the inner ring surface position of the main box body 1 are respectively bent outwards to form a front turned edge 7 capable of sliding along the circumference in the left front slide groove and a rear turned edge 8 capable of sliding along the circumference in the left rear slide groove, the front side of the left front slide rail 5 corresponding to the left position of the main box body 1 and the rear, each positioning screw 10 passes through the positioning hole and then is screwed in the adjusting screw hole 63 at the corresponding position.

According to the requirement, the front side and the rear side of the seed guiding box corresponding to one of the adjusting screw holes 63 are provided with datum line marks. In the use, through setting up left front slide rail 5, left back slide rail, right front slide rail 6 and right back slide rail, can carry on spacingly to leading kind of shell 9 in the slip in-process, through setting up a plurality of regulation screw 63, can adjust the quantity of leading kind of box to multiple plant spacing mode, adjust simply.

As shown in the attached drawings 1, 2, 3 and 4, a right front sliding rail 6 is arranged on the inner ring surface of the front side of the main box body 1 corresponding to the right position of the limiting stop strip 4, a right front sliding groove with the same cross section as the left front sliding groove is formed on the rear portion of the right front sliding rail 6 and the inner ring surface of the front side of the main box body 1, a right rear sliding rail with the same structure as the right front sliding rail 6 and symmetrically distributed front and back is arranged on the inner ring surface of the rear side of the main box body 1, and a right rear sliding groove with the same cross section as the left rear sliding groove is formed on the front portion.

In the use, through such setting, be convenient for along circumference equipartition and end-to-end connection together at a plurality of seed guiding boxes, compact structure also is convenient for fix a position.

As shown in the attached drawings 1, 2, 3 and 4, the inner wall of the lower part of the seed guiding cavity 58 inclines from left to right from bottom to top, the left sliding groove, the right sliding groove and the projection of the seed guiding groove 64 on the vertical surface from front to back are isosceles trapezoids with big top and small bottom, the front side of the left part of the main box body 1 corresponding to the position of the seed outlet 60 is provided with a front connecting seat, the front connecting seat comprises a left rib plate 12 and a right rib plate 13 which are fixedly connected to the front side of the left part of the main box body 1 at left and right intervals, the lower side of the right rib plate 13 is fixed with an arc-shaped connecting plate 14 fixedly connected with the upper side of the right end and the lower side of the left rib plate 12, the rear side of the connecting plate 14 is fixedly connected with the front side of the main box body 1, the.

In the use, through leading the slope of seed chamber 58 lower part inner wall from left to right by supreme down, can make the seed lead the box by the clockwise pivoted in-process of top direction below, lead the seed in the seed chamber 58 can follow the inner wall whereabouts of slope to seed outlet 60, finally get into the duckbill cavitation ware 55 that corresponds and broadcast into in the soil, through connecting seat and back connecting seat before setting up, can improve the intensity of main box body 1 and be convenient for main box body 1's dismouting simultaneously, convenient operation.

Example two: as shown in the attached figures 5, 6, 7, 8, 9, 10 and 11, the seeding tray comprises a central shaft 15, a connecting shaft 16, a connecting sleeve 17, an air chamber base plate 20, a fixed plate 21, an observation cover 25, a seed sucking disc and a seed guiding box, wherein the central shaft 15 is a hollow shaft arranged in the front-back direction, the rear end of the central shaft 15 is fixedly provided with the connecting shaft 16, the central axis of the connecting shaft 16 is collinear with the central axis of the central shaft 15, the inner side of the rear part of the connecting sleeve 17 is hermetically and rotatably connected with the outer side of the connecting shaft 16, the inner side of the front part of the connecting sleeve 17 is hermetically and rotatably connected with the outer side of the rear part of the central shaft 15, the outer side of the front part of the connecting sleeve 17 is fixedly provided with the seed sucking disc, the seed sucking disc comprises a seed sucking disc body 45 and an oil nozzle body 46, the seed sucking disc body 45 is annular, the, the fixed seed sucking hole group comprises a plurality of fixed seed sucking holes which are uniformly distributed along the circumference, each adjustable seed sucking hole group comprises a plurality of adjustable seed sucking holes which are uniformly distributed along the circumference, the number of each adjustable seed sucking hole group and the number of the fixed seed sucking holes are different, each adjustable seed sucking hole and each fixed seed sucking hole are the same in size and are coaxially arranged, an oil nozzle body 46 is screwed in each fixed seed sucking hole, a plug wire 48 or an oil nozzle body 46 is screwed in each adjustable seed sucking hole, an oil nozzle suction head of each oil nozzle body 46 is positioned on the front side of the seed sucking disc body 45, a rear side cover 40 is fixedly installed on the outer side of the rear portion of the connecting sleeve 17 in a sealing manner, a cylindrical air chamber base plate 20 is fixedly installed on the front side of the rear side cover 40 in a sealing manner, the front end of the air chamber base plate 20 is in sealing contact with the rear end of the seed sucking disc body 45 positioned on the outer side of the oil nozzle body 46, a seed sucking air chamber 65 is formed among the inner side of, at least one communicating hole 66 communicated with a seed suction air chamber 65 is evenly distributed on the outer side of the rear end of the central shaft 15 along the circumference, a fixed ring 21 is fixedly arranged on the outer side of the middle part of the central shaft 15 corresponding to the front end of the connecting sleeve 17, a fixed ring platform 22 which extends backwards and is close to the front end surface of the seed suction disk body 45 is fixed on the rear end surface of the fixed ring 21 close to the outer side, a seeding cavity is formed by the inner side of the fixed ring platform 22, the outer side of the central shaft 15, the rear end surface of the fixed ring 21 and the front end surface of the seed suction disk body 45, an arc plate which divides the seeding cavity into a seed storage cabin 67 and a seed removal cabin 68 is fixed on the right side of the rear part of the fixed ring 21, the right side of the upper part of the seed storage cabin 67 is communicated with the upper part of the seed removal cabin 68, the arc plate comprises an arc section 29 and a vertical section 30 which are sequentially fixed together from top to bottom, the arc, the vertical section 30 is a vertical plate-shaped structure with the right side positioned at the left side of the central shaft 15, a seed brushing channel which is communicated from left to right and can pass through the oil nozzle body 46 is arranged at the left side of the middle part of the vertical section 30, the seed brushing channel comprises a narrow channel and a wide channel which are communicated in sequence from left to right, a seed cleaning brush 31 is arranged in the wide channel, a mounting seat 32 which can fixedly mount the seed cleaning brush 31 in the wide channel is fixedly arranged at the rear side of the fixed disc 21 corresponding to the right position of the seed cleaning brush 31, a fixing bolt 33 is fixed at the rear side of the right part of the mounting seat 32, a seed discharging spring 34 which can pull down the seeds on the oil nozzle body 46 into the seed discharging bin 68 is fixed at the rear end of the fixing bolt 33, a seed discharging port 69 which is communicated with the seed discharging bin 68 is arranged at the lower part of the fixed disc 21 corresponding to the lower position of the seed discharging spring 34, a seed inlet which is communicated with the seed storing bin 67 is arranged at the left side of the front part of the fixed disc 21, a seed inlet pipe 50 is, the seed discharging port is fixedly communicated with a seed discharging pipe 52 which is inclined from the back to the front from the top to the bottom, the front end of the seed discharging pipe 52 is in sealing threaded connection with a seed discharging cover 53, the outer side of the right end of the fixed disc 21 is sleeved with a front side cover 39, the inner side of the front side cover 39 is in a circular ring shape, the inner side of the front side cover is close to the outer side of the fixed disc 21, the front end surface of the rear side cover 40, which is close to the outer side, is provided with a rear annular groove with a forward opening, the rear end of the front side cover 39, which corresponds to the rear annular groove, is provided with a seeding ring 41, the rear end of which is positioned in the rear annular groove, the front side cover 39, the rear side cover 40 and the seeding ring 41 are fixedly connected together through a plurality of first connecting bolts 42 which are arranged on the outer side of the seeding ring 41 and are uniformly distributed along the circumference, the outer side of the middle part of the seeding, the connecting plate 14 of every kind of box all corresponds position fixed mounting together with the seeding circle 41 inboard, the passageway 59 of planting of every kind of box all can with the lower kind of mouth 69 intercommunication that corresponds glib talker body 46 position, the play kind of mouth 60 of every kind of box all communicates with crossing the kind of a mouth, the equal fixed mounting in the seeding circle 41 outside that corresponds every kind of mouth position has duckbilled hole-forming ware 55, all be equipped with between the duckbilled hole-forming ware 55 of every two adjacent positions and protect tile 38, it is the arc to protect tile 38, it has the apron board to buckle perpendicularly in to protect tile 38 front side, apron board and front side cap 39 front end fixed connection, it has the backplate to buckle perpendicularly in to protecting tile 38 rear side, backplate and rear side cap 40 rear end fixed connection, the left and right both ends of protection tile 38 all inwards extend there is the arc, frame lower part fixed connection is in the center pin 15 outside of fixed disk 21 front side.

A fan-shaped observation hole communicated with the seed storage bin 67 is arranged on the left side of the upper part of the fixed disc 21 corresponding to the position above the central shaft 15, a fan-shaped observation cover 25 is arranged on the front side of the fixed disc 21 corresponding to the position of the observation hole, the rear side of the left end of the observation cover 25 is hinged with the front side of the fixed disc 21, a fixing lug is arranged at the right end of the observation cover 25, a second connecting bolt 43 is screwed on the fixing lug, the rear side of the observation cover 25 is fixedly connected with the front side of the fixed disc 21 through the second connecting bolt 43, at least one seed cleaning spring 26 capable of scraping redundant seeds adsorbed on the oil nozzle body 46 into the seed storage bin is arranged on the right side of the front part of the observation cover 25, one end of each seed cleaning spring 26 is close to the outer side of the rear end of the oil nozzle body 46, the other end of each seed cleaning spring 26 is fixedly connected with the rear end of a third connecting bolt 44 with the front side of the fixed disc 21 through the front end, a positioning nut 27 fixedly, the front end of the third connecting bolt 44 corresponding to the front position of the positioning nut 27 is fixed with an adjusting handle 28, the front end of the lower part of the fixed disc 21 corresponding to the upper right position of the mounting seat 32 is provided with an inspection hole communicated with the seed unloading bin 68, the front end of the fixed disc 21 is provided with an inspection cover 35, the inspection cover 35 is provided with a step hole with a wide front part and a narrow back part, a compression spring is arranged in the wide diameter section of the step hole, and a compression screw 37 which can enable the rear side of the inspection cover 35 to be in contact with the front end of the fixed disc 21 and seal the inspection hole is arranged in the compression spring in a penetrating.

According to the requirement, the central shaft 15 and the connecting shaft 16 are integrally arranged, the connecting sleeve 17 and the air chamber seat plate 20 are integrally arranged, the oil nozzle body 46 is the prior known technology, such as a straight-through oil nozzle without a spring and a steel ball M10 or a jet nozzle with a conical left end, the blocking wire 48 is the prior known technology, such as a screw, the outer side of the seed sucking plate body 45 is provided with a convex block 47 which protrudes outwards, the materials of the inspection cover 35 and the observation cover 25 are the prior known technology, such as organic transparent glass, the seed cleaning spring 26 and the seed discharging spring 34 are the prior known technology, such as a conical spiral compression spring which is gradually reduced when the seed cleaning plate body 46 approaches, the number of the seed cleaning springs 26 is two and is distributed in a staggered way along the circumference, the second connecting bolt 43, the third connecting bolt 44 and the compression screw 37 are the prior known technology, a nut is screwed on the outer side of the third connecting bolt 44 corresponding to the front end position of, a support sleeve which is integrally arranged with the rear end of the fixed disc 21 is sleeved on the outer side of the rear part of the third connecting bolt 44, and a nut is screwed on the outer side of the rear end of the third connecting bolt 44 corresponding to the position between the seed removing spring 34 and the rear side of the support sleeve.

In the use process, the oil nozzle body 46 can be fixedly arranged in the fixed seed sucking holes or one group of adjustable seed sucking holes for seed taking according to different plant spacing requirements by arranging the fixed seed sucking hole group and the adjustable seed sucking hole group, other seed sucking holes are provided with the blocking wires 48 for sealing, by the arrangement, when the plant spacing is changed, the seed sucking discs do not need to be disassembled, only the positions and the number of the oil nozzle body 46 and the blocking wires 48 need to be adjusted, the adjustment is convenient, the installation can be carried out by taking the blocking wires 47 as the reference when the seed sucking discs are installed or maintained by arranging the convex blocks 47, the installation is simple and convenient, the air chamber base disc 20 randomly moves forwards and starts to rotate, when one or more seeds are adsorbed in the seed storage bin, the oil nozzle body 46 rotates along the air chamber base disc 20 and along the inner side of the front arc-shaped plate to the upper part of the seed storage bin 67, the seed cleaning spring 26 can pull the redundant seeds on the oil nozzle body 46 to the seed storage bin 67, when the nozzle body 46 rotates to the right of the seed removing spring 26, only one seed is adsorbed, the nozzle body 46 continues to rotate along the outer side of the arc-shaped section 29 to the right of the seed retaining brush, the seed removing spring 34 can shift the adsorbed seed on the nozzle body 46 to the seed removing bin 68, the seed retaining brush can prevent the seed in the seed storing bin 67 from flowing into the seed removing bin 68 and also can ensure that the seed is not adsorbed on the nozzle body 46 when the nozzle body 46 rotates from the seed removing bin 68 to the seed storing bin 67, the seed falling into the seed removing bin 68 enters the seed guide cavity 58 through the lower seed port 69 and the seed inlet channel 59, the seed rotates in the seed guide cavity 58 along with the rotation of the seed suction disc, the phenomenon that the seed enters the seed guide shell 9 to generate a cavity or seed cutting when the seed guide box rotates to the top is avoided, the precision seeding can be realized, and the protective bush 38 can avoid the damage to the seed film 39 and the rear side cover 40 under the condition that the number of the duckbill cavitator 55 with a large plant distance is small, if the number of the duckbill cavitators 55 is large, when the front side cover 39 and the rear side cover 40 between two adjacent duckbill cavitators 55 do not contact with a seed film, the protective tile 38 does not need to be installed, the reliability and the efficiency of the work are improved, the condition that the seeds are adsorbed on the oil nozzle body 46 which is pulled down by the seed cleaning spring 26 can be observed by arranging the observation cover 25, the seed cleaning spring 26 can be conveniently and timely adjusted, the seed cleaning spring 26 can be directly and externally adjusted by arranging the adjusting handle 28, the adjustment is convenient, whether the seeds are timely removed by arranging the seed removing spring 34 or not can be conveniently observed by arranging the inspection cover 35, the inspection and the dredging are convenient, the seeds in the seed bin can be collected when the seeds are replaced by arranging the seed removing pipe and the seed removing cover 53, the seed cost is saved, the rapid switching of multiple plant spacing modes can be realized by the arrangement, the seeds can be prevented from falling down through the seed discharging opening 69, duckbilled cavitation ware 55 high-speed rotates the back and misses with the seed and cause the cavity or cut kind of phenomenon, the utility model discloses rational in infrastructure and compact, easy dismounting can improve seeding efficiency, also can be applicable to the operation of multiple plant spacing mode.

The sowing tray can be further optimized or/and improved according to actual needs:

as shown in fig. 5, 6, 7, 8, 9, 10, 11, a connecting ring platform 18 is fixed on the outer side of the front part of the connecting sleeve 17, a ring groove with a forward opening is arranged on the outer side of the connecting ring platform 18, a first sealing ring is arranged in the ring groove, a seed sucking disc body 45 is sleeved on the outer side of the front end of the connecting ring platform 18, a pressing ring 19 which can enable the rear end of the seed sucking disc body 45 to be tightly abutted against the first sealing ring is fixedly arranged at the front end of the connecting ring platform 18, a second sealing ring is arranged between the front end surface of the air chamber seat disc 20 and the rear end surface of the seed sucking disc, a rear limiting sleeve 24 which is sleeved on the outer side of the central shaft 15 and the rear end of which is contacted with the front end of the connecting sleeve 17 is fixed at the center of the rear end of the fixed disc 21, a front limiting sleeve 23 which is sleeved on the outer side of the central shaft 15, a round nut 54 which can enable the rear side of the machine frame, the upper end of the elbow 39 is screwed with a hose connector 56, and the upper end of the hose connector 56 can be fixedly communicated with an air source pipeline.

According to the requirement, a dust cap is arranged on the outer side of the rear end of the connecting sleeve 17, a first bearing is arranged between the inner side of the rear part of the connecting sleeve 17 and the outer side of the connecting shaft 16, a baffle plate with the rear end contacting with the rear end surface of the inner ring of the first bearing is fixedly arranged at the rear end of the connecting shaft 16 through a shaft head fixing bolt, a dust sheet is sleeved on the inner side of the rear part of the connecting sleeve 17, an inner ring groove is arranged on the inner side of the rear part of the connecting sleeve 17, a snap spring capable of enabling the front end of the dust sheet to contact with the rear end surface of the outer ring of the first bearing is arranged in the inner ring groove, a shaft shoulder with the rear end contacting with the front end surface of the inner ring of the first bearing is arranged on the outer side of the front part of the connecting shaft 16, an inner ring platform contacting with the front end surface of the outer ring of the first bearing is arranged, the first sealing ring is a well-known prior art, such as an O-shaped sealing ring or a rectangular ring, the second sealing ring is a well-known prior art, such as an oil seal or a groove ring, the first bearing and the second bearing are both well-known prior art, such as a deep groove ball bearing with a rubber sealing ring, a snap spring is a well-known prior art, such as a shaft snap spring, an elbow 39 is a well-known prior art, such as a 90-degree elbow, the connecting sleeve 17 and the connecting ring table 18 are integrally arranged, and the fixed disc 21, the fixed ring table 22, the arc-shaped plate, the front limiting sleeve 23 and the rear limiting sleeve 24 are integrally arranged. Through setting up adapter sleeve 17, the first bearing of the fixed mounting and second bearing of being convenient for also are convenient for seal between air chamber seat dish 20 and the connecting axle 16, through setting up the dust cap, can avoid getting into dust and damage first bearing, improve the utility model discloses a life. In the use, through setting up first sealing washer and second sealing washer, can improve the leakproofness of inhaling seed air chamber 65, increase the pressure of inhaling the seed, through setting up back stop collar 24, can guarantee the space of seeding chamber, through the accessory that can be convenient for install on the price fixing 21, rational in infrastructure, through stop collar 23 and round nut 54 before setting up, can be convenient for the frame fixed with the seeding dish, through setting up 39 and hose nipple 56, be convenient for the high-speed joint between center pin 15 and the air supply.

As shown in fig. 5, 7 and 9, a fixing plate 49 with a rear end located behind the seed inlet tube 50 is fixed on the outer side of the rear end of the seed inlet tube 50, a slot with an upward opening is arranged at the upper end of the fixing plate 49 corresponding to the rear position of the seed inlet tube 50, a seed limiting plate 51 capable of moving up and down is arranged in the slot, and a plurality of fixing screws capable of fixedly connecting the fixing plate 49 with the fixed plate 21 and positioning the seed limiting plate 51 are circumferentially distributed at intervals on the front side of the fixing plate 49.

In the use, can reciprocate limit kind board 51 as required, adjust the size of advancing kind of a mouthful, reuse set screw makes fixed plate 49 compress tightly limit kind board 51, prevents to advance kind too much to make the seed of depositing in kind storehouse 67 too much, plays the seed tape too high during the rotation, avoids the seed separation unclear, can reach precision seeding's purpose.

As shown in fig. 6, 7 and 12, a plurality of insertion holes are circumferentially distributed at intervals on the outer side of the rear part of the sowing ring 41, the rear side of the bottom plate of the duckbilled hole former 55 extends forwards to form an insertion wing plate which can be inserted into the insertion hole at the corresponding position, and the front side of the bottom plate of the duckbilled hole former 55 is fixedly connected with the sowing ring 41 through a plurality of bolts which are distributed at intervals left and right.

In the use, through such setting, can reduce duckbilled cavitation ware 55's bottom plate and seeding circle 41's dismouting intensity, especially switch the plant spacing and change duckbilled cavitation ware 55's quantity promptly and when maintaining duckbilled cavitation ware 55, can quick assembly disassembly, shorten the change time, improve work efficiency.

As shown in fig. 5, 8 and 9, a positioning pin 57 is fixedly attached to the front end of the fixed plate 21 at a position corresponding to the right of the center shaft 15.

In the use process, through the arrangement, the fixed disc 21 can be conveniently positioned and installed on the rack, the seed discharging spring 34 can be ensured to discharge the seeds on the oil nozzle body 46 at the same position, the seed discharging position is ensured to be fixed, and the disassembly and the assembly are convenient.

Above technical feature constitutes the utility model discloses an embodiment, it has stronger adaptability and implements the effect, can increase and decrease unnecessary technical feature according to actual need, satisfies the demand of different situation.

Claims (10)

1. A seed guiding box is characterized by comprising a main box body and a seed guiding shell, wherein the main box body is a fan-shaped box body with a seed guiding cavity inside, a seed feeding channel communicated with the seed guiding cavity is arranged on the inner ring surface of the right part of the main box body, a guide boss protruding downwards is fixed on the inner wall of the upper part of the main box body corresponding to the right side position of the lower part of the seed feeding channel, a seed outlet communicated with the seed guiding cavity is arranged on the outer ring surface of the left side of the main box body corresponding to the left lower position of the seed feeding channel, a right sliding chute with an upward opening and a right end extending to the right side surface of the main box body is arranged on the inner ring surface of the right part of the main box body, a left sliding chute with an upward opening and a right end communicated with the left part of the seed feeding channel is arranged on the inner ring surface of the left part of the main box body, the inner wall of the left sliding chute extends clockwise to form a convex guide table, the right part of the main box body corresponding to the lower position of the right sliding chute extends, the left sliding groove is internally provided with a fan-shaped seed guiding shell, the left end of the fan-shaped seed guiding shell can be connected with one end of the auxiliary box body, which has the same structure as the main box body and is uniformly distributed along the circumference, of the adjacent position, close to the left end of the main box body in a clamping manner, the inner annular surface of the seed guiding shell is provided with a seed guiding groove, the right end of the seed guiding groove is communicated with the seed inlet channel, and the front side and the rear side of the left part of the main box body are respectively provided with.

2. The seed guiding box according to claim 1, characterized in that a right limiting stop bar positioned in the right chute is fixed on the inner ring surface of the right part of the main box body corresponding to the position between the seed feeding channel and the right chute, and a limiting groove matched with the limiting stop bar is arranged on the inner ring surface of the left end of the seed guiding shell.

3. The seed guiding box as claimed in claim 2, wherein the inner ring surface of the front side of the main box body corresponding to the left position of the limiting stopper has a left front slide rail, the rear portion of the left front slide rail and the inner ring surface of the front side of the main box body form a Contraband-shaped left front slide groove with a backward opening, the inner ring surface of the rear side of the main box body has a left rear slide rail with a front and a back symmetrical distribution, the front portion of the left rear slide rail and the inner ring surface of the rear side of the main box body form a Contraband-shaped left rear slide groove with a forward opening, the front and the back sides of the seed guiding shell corresponding to the position of the inner ring surface of the main box body are respectively bent outwards to form a front flange capable of sliding circumferentially in the left front slide groove and a rear flange capable of sliding circumferentially in the left rear slide groove, the front side of the left front slide rail and the rear side of the left rear slide rail corresponding to the position of the main box body are respectively provided with positioning holes, and a plurality of adjusting, each positioning screw penetrates through the positioning hole and then is in threaded connection with the adjusting screw hole in the corresponding position.

4. The seed guiding box as claimed in claim 3, wherein the front inner ring surface of the main box body corresponding to the right position of the limiting stopper has a front right slide rail, the rear part of the front right slide rail and the front inner ring surface of the main box body form a front right slide groove with the same cross section as the front left slide groove, the rear inner ring surface of the rear side of the main box body has a rear right slide rail with the same structure as the front right slide rail and symmetrically distributed in the front-rear direction, and the front part of the rear right slide rail and the rear inner ring surface of the rear side of the main box body form a rear right slide groove with the same cross section.

5. The seed guiding box according to claim 1 or 2 or 3 or 4, characterized in that the inner wall of the lower part of the seed guiding cavity is inclined from left to right from bottom to top, the projections of the left sliding groove, the right sliding groove and the seed guiding groove on the vertical plane from front to back are isosceles trapezoids with big top and small bottom, the front side of the left part of the main box body corresponding to the seed outlet position is provided with a front connecting seat, the front connecting seat comprises a left rib plate and a right rib plate which are fixedly connected with the front side of the left part of the main box body at left and right intervals, the lower side of the right rib plate is fixed with an arc-shaped connecting plate fixedly connected with the upper side of the right end and the lower side of the left rib plate, the rear side of the connecting plate is fixedly connected with the front side of the main box body, the center of the.

6. A seeding tray using the seed guiding box of any one of claims 1 to 5, characterized by comprising a central shaft, a connecting sleeve, an air chamber seat plate, a fixed plate, an observation cover, a seed sucking plate and a seed guiding box, wherein the central shaft is a hollow shaft arranged in the front-back direction, the rear end of the central shaft is fixed with the connecting shaft, the central axis of the connecting shaft is collinear with the central axis of the central shaft, the inner side of the rear part of the connecting sleeve is hermetically and rotatably connected with the outer side of the connecting shaft, the inner side of the front part of the connecting sleeve is hermetically and rotatably connected with the outer side of the rear part of the central shaft, the outer side of the front part of the connecting sleeve is fixedly provided with the seed sucking plate, the seed sucking plate comprises a seed sucking plate body and an oil nozzle body, the seed sucking plate body is circular and is hermetically and fixedly arranged with the, the fixed seed sucking hole group comprises a plurality of fixed seed sucking holes which are uniformly distributed along the circumference, each adjustable seed sucking hole group comprises a plurality of adjustable seed sucking holes which are uniformly distributed along the circumference, the number of the adjustable seed sucking holes in each group and the number of the fixed seed sucking holes are different, each adjustable seed sucking hole and each fixed seed sucking hole are the same in size and are coaxially arranged, an oil nozzle body is screwed in each fixed seed sucking hole, a plug wire or an oil nozzle body is screwed in each adjustable seed sucking hole, an oil nozzle suction head of each oil nozzle body is positioned on the front side of the seed sucking disc body, a rear side cover is fixedly installed on the outer side of the rear portion of the connecting sleeve in a sealing way, a cylindrical air chamber seat disc is fixedly installed on the front side of the rear side cover in a sealing way, the front end of the air chamber seat disc is in sealing contact with the rear end of the seed sucking disc body positioned on the outer side of the oil nozzle body, a seed sucking air chamber is formed, the outer side of the rear end of the central shaft is uniformly provided with at least one communicating hole communicated with the seed suction air chamber along the circumference, the outer side of the middle part of the central shaft corresponding to the front end of the connecting sleeve is fixedly provided with a fixed disc, the rear end surface of the fixed disc close to the outer side is fixedly provided with a fixed ring platform which extends backwards and is close to the front end surface of the seed suction disc body, the inner side of the fixed ring platform, the outer side of the central shaft, the rear end surface of the fixed disc and the front end surface of the seed suction disc body form a seeding cavity, the right side of the rear part of the fixed disc is fixedly provided with an arc plate which divides the seeding cavity into a seed storage bin and a seed unloading bin, the right side of the upper part of the seed storage bin is communicated with the upper part of the seed unloading bin, the arc plate comprises an arc section and a vertical section which are sequentially fixed together from top to bottom, the arc section is an arc-shaped structure which is, a seed brushing channel which is communicated from left to right and can pass through the oil nozzle body is arranged on the left side of the middle part of the vertical section, the seed brushing channel comprises a narrow channel and a wide channel which are sequentially communicated from left to right, a seed cleaning brush is arranged in the wide channel, a mounting seat which can fixedly mount the seed cleaning brush in the wide channel is fixedly mounted on the rear side of a fixed disc corresponding to the right position of the seed cleaning brush, a fixing bolt is fixedly arranged on the rear side of the right part of the mounting seat, a seed unloading spring which can pull seeds on the oil nozzle body down into the seed unloading bin is fixedly mounted on the rear end of the fixing bolt, a seed discharging port which is communicated with the seed unloading bin is arranged on the lower part of the fixed disc corresponding to the lower position of the seed unloading spring, a seed inlet which is communicated with the seed storing bin is arranged on the left side of the front part of the fixed disc, a seed discharging port which is fixedly communicated with the seed inlet is arranged on the left side of the lower part of the fixed disc corresponding to, the seed discharging pipe is connected with a seed discharging cover in a sealing and screwing way at the front end, a front side cover is sleeved at the outer side of the right end of the fixed disc, the front side cover is annular, the inner side of the front side cover is close to the outer side of the fixed disc, a rear annular groove with a forward opening is arranged at the front end surface of the rear side cover close to the outer side, a front annular groove with a backward opening is arranged at the rear end surface of the front side cover corresponding to the position of the rear annular groove, a seed sowing ring with a rear end positioned in the rear annular groove is arranged in the front annular groove, the front side cover, the rear side cover and the seed sowing ring are fixedly connected together through a plurality of first connecting bolts which are arranged at the outer side of the seed sowing ring and are uniformly distributed along the circumference, an seed passing hole which corresponds to and is communicated with the oil nozzle body is arranged at the outer side of the seed sowing ring, a connecting plate of each seed guiding box is fixedly installed together with the corresponding position of the inner side of the seed sowing ring, the play seed mouth of every kind of box all communicates with crossing the kind of a mouth, the equal fixed mounting in the seeding circle outside that corresponds every kind of a mouth position has duckbilled cavitation ware, all be equipped with between the duckbilled cavitation ware of every two adjacent positions and protect the tile, it is the arc to protect the tile, it has the apron board to buckle perpendicularly in the tile front side direction, apron board and front side cap front end fixed connection, it has the backplate to buckle perpendicularly in the tile rear side direction to protect, backplate and rear side cap rear end fixed connection, it has the arc all inwards to extend at both ends about the tile to protect, frame lower part fixed connection is in the center pin outside of deciding set front side.

7. The seeding tray according to claim 6, characterized in that the left side of the upper part of the fixed tray corresponding to the upper position of the central shaft is provided with a fan-shaped observation hole communicated with the seed storage bin, the front side of the fixed tray corresponding to the position of the observation hole is provided with a fan-shaped observation cover, the rear side of the left end of the observation cover is hinged with the front side of the fixed tray, the right end of the observation cover is provided with a fixing lug, the fixing lug is screwed with a second connecting bolt, the rear side of the observation cover is fixedly connected with the front side of the fixed tray through the second connecting bolt, the right side of the front part of the observation cover is provided with at least one seed cleaning spring capable of scraping redundant seeds adsorbed on the oil nozzle body into the seed storage bin, one end of each seed cleaning spring is close to the outer side of the rear end of the oil nozzle body, the other end of each seed cleaning spring is fixedly connected with the rear end of a third connecting bolt, the outer side of the front part of the third connecting bolt is screwed with a, the front end of a third connecting bolt corresponding to the front position of the positioning nut is fixedly provided with an adjusting handle, the front end of the lower part of a fixed disc corresponding to the upper right position of the mounting seat is provided with an inspection hole communicated with a seed unloading bin, the front end of the fixed disc is provided with an inspection cover, the inspection cover is provided with a step hole with a wide front part and a narrow back part, a compression spring is arranged in a wide diameter section of the step hole, and a compression screw capable of enabling the rear side of the inspection cover to be in contact with the front end of the fixed disc and sealing the inspection hole is arranged in the compression spring in a penetrating.

8. The seeding tray according to claim 6 or 7, characterized in that a connecting ring platform is fixed outside the front part of the connecting sleeve, an annular groove with a forward opening is arranged outside the connecting ring platform, a first sealing ring is arranged in the annular groove, the seed sucking tray body is sleeved outside the front end of the connecting ring platform, a pressing ring which can enable the rear end of the seed sucking tray body to be tightly pressed against the first sealing ring is fixedly arranged at the front end of the connecting ring platform, a second sealing ring is arranged between the front end surface of the air chamber seat tray and the rear end surface of the seed sucking tray, a rear limiting sleeve which is sleeved outside the central shaft and the rear end of which is contacted with the front end of the connecting sleeve is fixed at the center of the rear end of the fixed tray, a front limiting sleeve which is sleeved outside the central shaft is fixed at the center of the front end of the fixed tray, a round nut which can enable the rear side of the machine frame to be contacted with the front end of the front limiting, the upper end of the hose connector can be fixedly communicated with the air source pipeline.

9. The seeding tray according to claim 6 or 7, characterized in that a fixing plate with a rear end positioned behind the seed inlet pipe is fixed at the outer side of the rear end of the seed inlet pipe, a clamping groove with an upward opening is arranged at the upper end of the fixing plate corresponding to the rear side of the seed inlet pipe, a seed limiting plate capable of moving up and down is arranged in the clamping groove, and a plurality of fixing screws capable of fixedly connecting the fixing plate with the fixed tray and positioning the seed limiting plate are circumferentially distributed at intervals at the front side of the fixing plate; or/and a plurality of inserting holes are distributed at intervals along the circumference outside the rear part of the seeding ring, the rear side of the base plate of the duckbill hole former extends forwards to form an inserting wing plate which can be inserted into the inserting holes at the corresponding positions, and the front side of the base plate of the duckbill hole former is fixedly connected with the seeding ring through a plurality of bolts distributed at intervals from left to right; or/and a positioning pin is fixedly arranged at the front end of the fixed disc corresponding to the right position of the central shaft.

10. The seeding tray according to claim 8, characterized in that a fixing plate with the rear end positioned behind the seed inlet pipe is fixed on the outer side of the rear end of the seed inlet pipe, a clamping groove with an upward opening is arranged at the upper end of the fixing plate corresponding to the rear side of the seed inlet pipe, a seed limiting plate capable of moving up and down is arranged in the clamping groove, and a plurality of fixing screws capable of fixedly connecting the fixing plate with the fixed tray and positioning the seed limiting plate are circumferentially distributed at intervals on the front side of the fixing plate; or/and a plurality of inserting holes are distributed at intervals along the circumference outside the rear part of the seeding ring, the rear side of the base plate of the duckbill hole former extends forwards to form an inserting wing plate which can be inserted into the inserting holes at the corresponding positions, and the front side of the base plate of the duckbill hole former is fixedly connected with the seeding ring through a plurality of bolts distributed at intervals from left to right; or/and a positioning pin is fixedly arranged at the front end of the fixed disc corresponding to the right position of the central shaft.

Images