CN112806130B - Reversing mechanism of rice precision hill planter and rice precision hill planter - Google Patents
Reversing mechanism of rice precision hill planter and rice precision hill planter Download PDFInfo
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- CN112806130B CN112806130B CN202110187264.2A CN202110187264A CN112806130B CN 112806130 B CN112806130 B CN 112806130B CN 202110187264 A CN202110187264 A CN 202110187264A CN 112806130 B CN112806130 B CN 112806130B
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C7/00—Sowing
- A01C7/20—Parts of seeders for conducting and depositing seed
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C7/00—Sowing
- A01C7/002—Dibble seeders
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Abstract
The invention discloses a reversing mechanism of a rice precision hill planter and the rice precision hill planter, comprising a connecting mechanism which is connected with a seed feeding setting mechanism and two groups of conveying mechanisms, wherein the connecting mechanism is provided with two output ports which are respectively communicated with the conveying mechanisms, the two groups of conveying mechanisms are conveying belts which are conveyed horizontally, a plurality of seed storage boxes are arranged on the outer surface of each conveying belt side by side along the length direction of the conveying belt, the output ports are communicated with the seed storage boxes, the connecting mechanism is provided with an installation shaft, a connecting piece which is sleeved outside the connecting mechanism is fixed on the installation shaft, a blocking piece is rotatably connected to the position of the installation shaft which is positioned inside the connecting mechanism, the conveying mechanism is provided with a first matching structure and a second matching structure which can enable the blocking piece to rotate periodically and close one output port, the invention has the advantages that the control is more reliable by adopting a mechanical structure mode to replace electric control, effectively improve the yield of the rice.
Description
Technical Field
The invention relates to the field of rice seeders, in particular to a reversing mechanism of a rice precision hill planter and the rice precision hill planter.
Background
The direct seeding cultivation technique of rice is a cultivation method that rice seeds are directly sown in a field without raising seedlings and transplanting; compared with the rice cultivation, the technology simplifies the rice cultivation process, has the advantages of reducing labor intensity, alleviating season contradiction, saving labor, saving seedling bed, high yield and high efficiency, and the like, and is gradually an important cultivation mode for rice production at present.
Most of the current rice seeders are purely mechanical, the control accuracy of the quantity of rice grains sowed in each hole is not high, and the sowing quality is influenced by more or less seeds, so that the yield of rice is directly influenced.
The prior Chinese patent application No. CN201810078116.5 discloses a rice precision hill planter, which comprises a frame, and further comprises a grain feeding setting area, a counting screening area, a rotary conveying area and a funnel grain discharging area which are arranged on the frame from top to bottom, wherein at least one group of the grain feeding setting area, the counting screening area, the rotary conveying area and the funnel grain discharging area is arranged; the particle feeding setting area comprises a feeding hole, a sliding setting plate and a particle feeding brush, the sliding setting plate is obliquely arranged, the feeding hole is positioned above the upper end of the sliding setting plate, and the particle feeding brush is positioned above the lower end of the sliding setting plate; the counting and screening area is positioned below the grain conveying brush and comprises a counting induction area at the upper end and a screening control part at the lower end; the rotary conveying area is located screening control portion below, every a set of rotary conveying area is including two conveying discs of installing side by side, just conveying disc pivot level sets up, adopts the hill-drop planter of this kind of structure, can control the quantity of each cave seeding grain accurately to improve the output of rice, but still has the defect, screening control portion adopts the automatically controlled mode to realize the switching between the passageway in the above-mentioned scheme, and automatically controlled mode influence factor is more, and control reliability is comparatively unreliable for mechanical control, and in case control motor goes wrong, the switching of passageway just will be obstructed, thereby influence the control of seeding.
Disclosure of Invention
The invention provides a reversing mechanism of a rice precision hill planter and the rice precision hill planter, which adopt a mechanical structure control mode to realize switching between channels, can effectively improve the reliability of channel switching control, and realize accurate control of seeding quantity, thereby improving the yield of rice.
The invention is realized by the following technical scheme:
the utility model provides a smart volume hill-drop planter's of rice reversing mechanism, advances the coupling mechanism who sets mechanism and two sets of transport mechanism including connecting, coupling mechanism have two delivery outlets, respectively with transport mechanism is linked together, two sets of transport mechanism are the conveyer belt of horizontal transfer, the conveyer belt surface is provided with a plurality of seed storage boxes side by side along its length direction, the delivery outlet with seed storage box is linked together, coupling mechanism is equipped with the installation axle, install epaxial being fixed with of cover establish the outer connecting piece of coupling mechanism, the installation axle is located the inside position of coupling mechanism is rotated and is connected with the separation piece, be provided with on the transport mechanism and can make separation piece periodic rotation and close first cooperation structure, the second cooperation structure of one of them delivery outlet.
The working principle of the invention is as follows: the connecting mechanism is connected with the feeding setting mechanism and the two groups of conveying mechanisms to realize the conveying of the rice seeds, a connecting piece is arranged outside the connecting mechanism and used for connecting a blocking piece, two matching structures are respectively arranged on the two groups of conveying mechanisms and matched with the connecting piece and the blocking piece, when the hill planter starts to work, the rice seeds are not stored in the two groups of conveying mechanisms, the blocking piece blocks a channel between the feeding setting mechanism and the second group of conveying mechanisms, an output port of the connecting mechanism communicated with the second group of conveying mechanisms is closed, when the first group of conveying mechanisms are full of the rice seeds, the second matching structures on the second group of conveying mechanisms just pass through the blocking piece and enable the blocking piece to rotate towards the first group of conveying mechanisms, so that the output port of the connecting mechanism communicated with the first group of conveying mechanisms is closed, the rice seeds begin to fall to the second group of conveying mechanisms to begin to be stored, the first group of conveying mechanisms begin to sow, when the first group of conveying mechanisms rotate for one circle and seeds are sowed, the first matching structure is just contacted with the connecting piece and drives the connecting piece to rotate backwards and incline, the connecting piece is connected with the blocking piece in a rotating way, the connecting piece rotates backwards and inclines so as to drive the blocking piece to rotate towards the second group of conveying mechanisms and close the output port of the connecting mechanism communicated with the second group of conveying mechanisms again, the output port of the first group of conveying mechanisms is opened, rice seeds fall into the first group of conveying mechanisms again, and therefore the switching use of the two groups of conveying mechanisms is realized. Thereby improve the productivity of rice, transport mechanism is the rolling disc of vertical conveying among the prior art in addition, a plurality of seed storage boxes have been seted up to the rolling disc periphery, adopt such mechanism, when seed storage box moves to the below, the opening is downward, the rice seed will fall out, consequently every seed storage box need set up the valve and control opening or closing of seed storage box, the valve that sets up when seed storage box is more will be many, automatically controlled error just easily, the control of valve is not so accurate, transport mechanism that adopts the horizontal direction to carry stores up the opening of seed storage box all up, the seed just can not drop, even transport mechanism inclines to set up the seed and also can not drop, just avoid setting up the switch of valve control seed storage box, can make the control of seed storage box more reliable.
As a further aspect of the invention, the connecting mechanism comprises a detection part and a control part, the detection part is connected with the feeding setting mechanism, the detection part is provided with a plurality of channels for accommodating rice seeds to pass through, and the front side and the rear side of each channel are provided with induction devices.
Preferably, set up the sensor in the both sides of passageway and be used for the response through the quantity of kind of rice, make hill-drop planter can be accurate control fall into the quantity of every kind of rice storage box kind of rice, thereby the quantity of kind of rice in each cave is broadcast to accurate control, and then improve the output of rice, and cut apart into a plurality of passageways with the one end that coupling mechanism connection feeding set mechanism, make kind of rice can divide the passageway to get into, can improve the accuracy of induction system response effectively, kind of rice drops together and overlaps the inductor and respond to the mistake very easily, thereby lead to the count error, the great deviation will appear in the kind of rice quantity that conveys every kind of rice storage box, be unfavorable for the accurate control of kind of rice quantity.
As a further improvement of the invention, the control part is connected with the two sets of conveying mechanisms, and the blocking piece is arranged on the control part and has a width matched with that of the control part.
Set up one of them delivery outlet that is used for separation coupling mechanism with the separation piece in the control part, laminate mutually its width and control part width phase-match aim at make the inner wall that the separation piece can be inseparable with coupling mechanism to guarantee that one of them delivery outlet can be closed completely, the kind of rice can not fall into, thereby the quantity that every kind of seed box was dropped to the control kind of rice that can be more accurate.
As a further improvement of the invention, the barrier is hinged on the connecting piece in a flat plate-shaped structure, and the part of the barrier extending out of the connecting mechanism is matched with the second matching structure.
Preferably, the blocking member is provided as a flat plate-like structure, on one hand, the thickness of the plate-like structure is small, the passage of the output port communicated with the other side is relatively large when the blocking member closes the output port on one side, and the rice seeds with small thickness of the blocking piece are not easy to be accumulated on the blocking piece when falling off, on the other hand, the blocking piece is hinged on the connecting piece, the first matching structure drives the blocking piece to rotate by jacking one end of the connecting piece to enable the connecting piece to incline backwards, at the moment, the rotation of the blocking piece depends on the influence of the self gravity of the blocking piece, so that the blocking piece can not be too thin or too thick, the self gravity of the blocking piece is too thin and not enough, the blocking piece is difficult to follow the rotation when the connecting piece inclines and rotates, if the blocking member is too thick, the weight of the blocking member is too heavy, and the connecting member is difficult to drive the blocking member to rotate, so that the flat plate-shaped structure meets the requirement, so that the blocking member has enough weight to follow the tilting of the connecting member to switch the output port.
As a further improvement of the present invention, a surface of the second matching structure contacting the blocking member is configured as an arc surface.
Preferably, the contact surface of the second matching structure is also set to be a circular arc surface, and the circular arc surface runs more smoothly compared with contact surfaces with other shapes.
As a further improvement of the present invention, the connecting member is sleeved at the lower end of the control portion and has a frame structure, and a protruding portion is arranged at one end of the connecting member and is matched with the first matching structure.
Preferably, a protruding part is arranged on the connecting piece, and when the first matching structure moves to the reversing mechanism, the first matching structure slides through the protruding part in a contact manner and jacks up the protruding part, so that the connecting piece is inclined backwards, and the blocking piece is driven to rotate, and the reversing function is realized.
As a further improvement of the present invention, the first mating structure and the protruding portion have a first contact surface and a second contact surface that are in contact, and both the first contact surface and the second contact surface are configured in a circular arc shape.
First cooperation structure is along with the continuous cyclic motion that carries on of conveyer belt, and it contacts with the protruding portion when moving to reversing mechanism and need jack-up the protruding portion in order to realize the switching-over of connecting piece when sliding the protruding portion, consequently preferably sets up the contact surface into the arc surface, first cooperation structure can be smooth and easy with the protruding portion jack-up to the roll-off, adopt the first cooperation structure of other structures to appear easily and lead to conveying mechanism stop motion by the protruding portion jamming, cause the circumstances of equipment shut down to take place.
As a further improvement of the invention, the other end of the connecting piece is provided with a positioning structure, and the connecting mechanism is provided with two fixing hole sites of the positioning structure.
After the connecting piece inclines backward, first cooperation structure slides through the protruding portion, no longer exerts the effort to the protruding portion, and the connecting piece is easy to revolve under the effect of its self weight and separation piece weight this moment, consequently need set up location structure on the connecting piece and connect coupling mechanism with this fixed connecting piece, and the same after second cooperation structure slides through separation piece, separation piece inclines forward, drives the connecting piece gyration simultaneously, if not fixed this moment, the connecting piece is likely to revolve again, needs the mounting to fix equally.
As a further improvement of the invention, the positioning structure is an elastic piece, and the surface contacting with the connecting mechanism is arranged to be a circular arc surface.
Preferably, the part for location sets up to the elastic component, aim at, when the elastic component is fixed at first fixed position, apply a power for the elastic component when the connecting piece needs to switch, the elastic component contracts under the atress and deviates from first fixed hole site, follow the continuous motion of connecting piece and get into second fixed hole site and fix the connecting piece once more, thereby realize the free switching under the connecting piece two states, equally, the working face of elastic component sets up to the cambered surface, aim at makes the switching in two fixed hole sites that the elastic component can be smooth, the cambered surface is relatively more smooth and do not have the salient angle consequently can be more smooth the slip in and the roll-off fixed hole site, be difficult to the jamming.
A rice precision hill planter comprises a rack and at least one station arranged on the rack in parallel, and is characterized in that each station comprises a seed feeding setting mechanism, two groups of conveying mechanisms, a connecting mechanism for connecting the seed feeding setting mechanism and the conveying mechanisms, any reversing mechanism and a seed discharging mechanism.
The invention has the beneficial effects that:
(1) the reversing mechanism is controlled by the mechanical structure, the reversing mechanism is more reliable in electric control mode, and external factors influencing functions of the mechanical structure are much less than those of the mechanical structure in electric control mode, so that the reversing mechanism can be effectively guaranteed to normally realize functions, the condition that the reversing mechanism fails is avoided, the accuracy of the hill planter can be improved to a certain extent, and the yield of rice is improved.
(2) Adopt horizontal transport's conveyer belt as the carrier of storeroom for the opening of storeroom up, the seed does not have the possibility that drops in data send process, consequently need not additionally to increase the switch that the storeroom was controlled to the valve, can practice thrift the cost on the one hand, and on the other hand makes the structure more stable, and more valve control is got up relatively more difficultly, also can produce more problem relatively, cancels the operational reliability that valve control can effectual improvement hill-drop planter.
(3) The contact surfaces of the reversing mechanism and the conveying mechanism, which interact with each other, are all arc-shaped, and the arc surfaces are smooth, so that the whole mechanism runs more smoothly, and the reversing function can be better realized.
(4) The elastic piece is added to be used for fixing the connecting piece after the connecting piece is turned over every time, so that the connecting piece is positioned more accurately, the turning is avoided, the closing of an output port is influenced, the turning function is more accurate, the switching of the output port is more reliable, the accuracy of the hill planter is improved, and the yield of rice is improved.
Drawings
FIG. 1 is a rice precision hill planter incorporating the present invention;
FIG. 2 is a schematic diagram of a detailed structure of the feed setting mechanism in FIG. 1;
FIG. 3 is a view showing the feed setting mechanism, the connecting mechanism, the conveying mechanism and the discharging mechanism of FIG. 1 being assembled together;
FIG. 4 is an assembly view of the reversing mechanism and the connecting mechanism of the present invention;
FIG. 5 is a schematic view of the specific structure of the reversing mechanism of the present invention;
FIG. 6 is an assembly view of the attachment mechanism and mating structure;
FIG. 7 is a schematic structural diagram of a seeding mechanism;
fig. 8 is a partial schematic view of fig. 7.
Detailed Description
Referring to fig. 1, a rice precision hill planter with a reversing mechanism of the present invention comprises a frame 1, and at least one station arranged in parallel on the frame, wherein each station comprises a seed feeding setting mechanism 2, two sets of conveying mechanisms 3, a connecting mechanism 4 connecting the seed feeding setting mechanism 2 and the conveying mechanisms 3, and a seed discharging mechanism 5, at least one mounting rack 11 is detachably fixed on the frame 1, the seed feeding setting mechanism 2 is used for arranging stored seeds so that the seeds can slowly and orderly fall into the conveying mechanisms 3, the connecting mechanism 4 is a connecting channel for conveying the seeds in the seed feeding setting mechanism 2 to the conveying mechanisms 3, the conveying mechanisms 3 are used for conveying the seeds to the seed discharging mechanism 5 and sowing, with reference to fig. 2, the seed feeding setting mechanism 2 comprises a vibration mechanism 21 and a seed box 22, the vibration mechanism 21 is fixed on the frame 1, and is located above the mounting frame 11, the seed box 22 is fixed on the vibrating mechanism 21, the seed outlet end of the seed box 22 is horizontally provided with a guide plate 23, the guide plate 23 is provided with four linear guide grooves 231, a partition plate 24 is arranged between the guide plate 23 and the seeds, the partition plate 24 is provided with several rows of through holes 241, each row of through holes is provided with four, preferably four, linear guide grooves are provided, and the partition plate is provided with through holes with a number matched with the number of the linear guide grooves in the transverse direction, when the hill-drop planter starts to work, the vibrating mechanism is driven by the motor to vibrate, the seeds in the seed box fall into the guide plate through the through holes under continuous vibration, meanwhile, because the vibration is orderly arranged in the linear guide grooves, the number of the seeds falling into the conveying mechanism can be controlled by adjusting the vibration frequency of the motor, and the number of the seeds in each seed cavity is controlled to be optimal within 3-5 in order to improve the germination rate of the seeds, set up linear guide into four, through the quantity that the adjustment control seed to vibration frequency dropped, four seeds that once drop under the most ideal state, even if there is a linear guide groove not to drop the seed or dropped the seed more, the seed quantity that drops on the conveyer belt at every turn still can be guaranteed in better state, can improve the accuracy nature of seeding quantity effectively.
Referring to fig. 3 and 4, the conveying mechanism 3 is arranged below the seed feeding setting mechanism 2, the two groups of conveying mechanisms 3 are two groups of conveying belts 31 which are arranged side by side up and down and are conveyed horizontally, the conveying belts are driven by a driving motor 32 and two transmission gears 33, the transmission gears 33 are rotatably fixed on the mounting rack 11, a plurality of clamping grooves 311 are arranged on the outer surface of each conveying belt 31 side by side along the length direction, a seed storage box 34 is clamped on each clamping groove 311, the seed storage box 34 has an upward opening, and the bottom is hinged with an opening plate 341, preferably, a gear is adopted for transmission, the gear transmission can control the conveying angle of the conveying belts according to the number of teeth, the conveying belts can be ensured to rotate exactly one seed storage box once, the seed is ensured not to fall off in the conveying process, the connecting mechanism 4 comprises a detecting part 41 and a control part 42, the detecting part 41 is connected with the seed feeding setting mechanism 2, and 3 partitions 411 are disposed at the upper end of the detecting portion 41 to divide the connecting mechanism 4 into four through openings, and two sides of each through opening are provided with sensors 412 for calculating the number of passing seeds, when the number of passing seeds reaches a set value, the conveyor belt turns to the next seed storage box, and the connecting mechanism is divided into four through openings, so that the seeds can fall dispersedly, the sensing accuracy of the sensors is improved, and the possibility of missing detection is reduced to a large extent, the lower end of the connecting mechanism 4 is provided with two output ports 421 with a long end and a short end, which are respectively communicated with the seed storage boxes 34 on the two conveyor belts 31, the connecting mechanism 4 is provided with a reversing mechanism 6, preferably, the conveying mechanism 3 is provided with two sets of conveyor belts 31, when the hill-drop planter starts to work, when one set of conveyor belts turns round, each seed storage box stores seeds, the reversing mechanism reverses, the other group of the conveyor belts starts to store seeds, the conveyor belts full of the seeds start to discharge the seeds through the seed discharge mechanism to sow the seeds into the seed holes, the falling of the seeds is controlled by vibration, the quantity of the discharged seeds can be controlled more accurately, but the speed of seed falling can not be controlled, the time interval of each seed falling is necessarily fast or slow, this also determines that the speed of the conveyor belt is not uniform when the seeds are being stored, while the drive equipment of the hill-drop planter is running at a constant speed, if the seeds are sown simultaneously on the conveyor belts, there will be a situation of cavities, and it is therefore preferred to provide two sets of conveyor belts, one for the seeds, the other for the sowing, therefore, a group of conveying belts which can independently control seeding can run at a constant speed, and the two groups of conveying belts store seeds and sow the seeds continuously and alternately, so that the efficiency is improved, and the occurrence of the cavity condition can be effectively avoided.
With reference to fig. 5, the reversing mechanism 6 is disposed on the control portion 42, the reversing mechanism 6 includes the connecting member 61 and the blocking member 62 sleeved outside the connecting mechanism 4, preferably, the connecting member 61 is configured as a connecting frame, the blocking member 62 is configured as a swinging plate, the connecting member 61 is provided with a mounting shaft 611, the mounting shaft 611 is inserted on the connecting mechanism 4 and is located between the two output ports 421, the blocking member 62 is hinged on the mounting shaft 611, and a portion of the blocking member 62 extends from the bottom of the connecting mechanism, the lower surface of the connecting member 61 near one end of the upper layer conveyor belt is provided with a protruding portion 612, one of the seed storage boxes on the upper layer conveyor belt is provided with a first matching structure 342 matched with the protruding portion 612, the protruding portion 612 and the first matching structure 342 are semicircular protruding blocks, and a surface where the two contact is configured as an arc surface, when the first matching structure 342 rotates to the reversing mechanism 6, the first matching structure 342 is matched with the protruding part 612 to jack up the protruding part 612, so that the connecting rod frame tilts backwards to drive the swinging plate to tilt backwards along with the connecting rod frame simultaneously to realize the function of replacing the channel, the arrangement of the arc surface enables the matching of the first matching structure and the connecting rod frame to be smoother, the first matching structure can smoothly jack up the connecting rod frame along the arc surface, it needs to be explained that the first matching structure can also be arranged on the belt conveyor, only the requirement that the belt conveyor rotates for a circle is met, the first matching structure can realize one-time reversing through the reversing mechanism, the arrangement in the seed storage box has the advantages that the belt conveyor does not need to be additionally provided with other structures to install the first matching structure, the manufacturing process of the seed storage box is simpler compared with the manufacturing process of the seed storage box, and the first matching structure arranged on the seed storage box can effectively simplify the manufacturing process, be provided with on one of them seed storage box of lower floor's conveyer belt with baffler 62 matched with second cooperation structure 343, second cooperation structure 343 is the semi-cylinder of vertical setting, and its face that contacts with the wobble plate is the arc surface, works as when second cooperation structure 343 changes to reversing mechanism 6, and its arc surface and wobble plate contact promotion wobble plate incline forward to switch the passageway to lower floor's conveyer belt, thereby realize through two cooperation structures and reversing mechanism's cooperation that the continuous switching of wobble plate in coupling mechanism forms the circulation of two conveyer belts and switches over the use.
Referring to fig. 5 and 6, the other end of the connecting member 61 is provided with a positioning structure 7, the positioning structure 7 is an elastic pin inserted on the connecting member 61, one end of the elastic pin, which is close to the connecting mechanism 4, is provided with an arc surface, the connecting mechanism 4 is provided with a fixing hole site 44 for fixing the elastic pin, the elastic pin is clamped with the two fixing hole sites, when the first matching structure jacks up the connecting rod frame, the inclined elastic pin of the connecting rod frame slides out from one of the fixing hole sites into the other fixing hole site under a stress condition, so that the inclined rear position of the connecting rod frame can be fixed without rotation, when the second matching structure pushes the swinging plate to incline forwards, the swinging plate drives the connecting rod frame to incline forwards, the elastic pin is stressed out of the fixing hole site again to return to the first fixing hole site to fix the connecting rod frame, the elastic pin is positioned, and the reversing mechanism can be fixed in position after reversing, the channel switching instability caused by the rotation can not occur.
With reference to fig. 3, 7 and 8, the seed discharging mechanism 5 is disposed at the other end opposite to the gear shifting mechanism 6, and is provided with a throwing station, the throwing station is provided with a control structure 51 for being in transmission connection with the transmission gear 33 of the conveyor belt 31 and controlling the opening and closing of the opening plate 341, the control structure 51 is in transmission connection with the transmission gear 33 through a transmission assembly 52, the transmission assembly 52 is a planetary gear, a sun gear of the planetary gear is fixedly connected with the transmission gear 33 of the conveyor belt 31, so that the sun gear of the planetary gear and the transmission gear of the conveyor belt can synchronously rotate, a planet carrier of the planetary gear is provided with a flat link structure, two ends of the link are fan-shaped and provided with tooth openings to be in transmission connection with the control structure 51, so as to realize the periodic movement of the control structure 51, control structure 51 is the dysmorphism wheel, specifically is a special-shaped gear, through the meshing of tooth mouth with the transmission of intermittent type actuating mechanism is connected, set up in the middle of the control structure 51 about the through-going open-close plate dodge mouthful 511, it sets up to the square to dodge mouthful 511, inwards sets up the salient angle respectively at four angles of square as the bearing structure 512 of open-close plate 341, and every 45 bearing structure that rotates of special-shaped gear can break away from or hold open-close plate 341 just for seed or put in the seed can be accepted to the kind of storage kind box, adopts such special-shaped gear as control structure, simple structure, and the preparation is convenient, and the opening and closing of specific open-close plate are realized like this: when a driving motor of the conveyor belt drives the conveying gear to rotate, the sun gear of the planetary gear synchronously rotates to serve as a driving part in the planetary gear system, the sun gear rotatably engages with the planetary gear and the gear ring, so that the planetary carrier rotates, the planetary carrier passes through the tooth opening and the control structure, namely, the special-shaped gear is engaged, the special-shaped gear is stirred to rotate while the planetary carrier rotates, through designing the transmission ratio of the gear, when the conveyor belt rotates for one circle, the planetary carrier rotates for half a circle under the speed reduction action of the planetary gear, the tooth number of the gear sector of the planetary carrier just can stir the special-shaped gear to rotate for 45 degrees, the special-shaped gear just rotates for 45 degrees, the supporting structure is just separated from or supports the split plate 341, the conveyor belt continuously rotates, the special-shaped gear just synchronously switches, and the conveyor belt rotates for one circle, the special-shaped gear is switched once, so that the opening and closing of the opening and closing plate, and the switching of the seed storage and discharge states of the conveyor belt are realized.
In order to avoid the friction between the opening plate and the edge of the opening position during the repeated opening and closing processes of the opening plate, the front end edge of the opening position along the moving direction of the seed storage box is preferably arranged into a circular arc structure.
The below of conveyer belt 31 is provided with mounting panel 8, through-hole 81 has been seted up on the mounting panel 8, control structure sets up in the through-hole 81 to can be rotatory around self axis in the through-hole 81, seed storage box 34 is in the mounting panel 8 top removes, and mounting panel 81 can make seed storage box 34 be in normally closed state when not giving out the mechanism department, is used for storing the seed.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that: the technical solutions described in the foregoing embodiments can be modified, or some technical features can be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (6)
1. A reversing mechanism of a rice precision hill planter comprises a connecting mechanism connected with a seed feeding setting mechanism and two groups of conveying mechanisms, wherein the connecting mechanism is provided with two output ports which are respectively communicated with the conveying mechanisms; the connecting mechanism comprises a detection part and a control part, the detection part is connected with the seed feeding and setting mechanism, the detection part is provided with a plurality of channels for accommodating rice seeds to pass through, and the front side and the rear side of each channel are provided with induction devices; the control part is connected with the two groups of conveying mechanisms, and the blocking piece is arranged on the control part and the width of the blocking piece is matched with that of the control part; the blocking piece is hinged to the connecting piece in a flat plate-shaped structure, and part of the blocking piece extends out of the connecting mechanism to be matched with the second matching structure; the connecting piece cover is established the control part lower extreme and be frame construction, one of them end of connecting piece is provided with the protruding portion, the protruding portion with first cooperation structure cooperatees.
2. The reversing mechanism of the rice precision hill planter according to claim 1, wherein the surface of the second matching structure contacting the barrier member is configured as a circular arc surface.
3. The reversing mechanism of a rice precision hill planter according to claim 1, wherein the first mating structure and the protrusion have a first contact surface and a second contact surface that contact each other, and the first contact surface and the second contact surface are both configured as circular arcs.
4. The reversing mechanism of a rice precision hill planter according to claim 1, wherein a positioning structure is arranged at the other end of the connecting piece, and two fixing hole sites of the positioning structure are arranged on the connecting mechanism.
5. The reversing mechanism of the rice precision hill planter according to claim 4, wherein the positioning structure is an elastic member and the surface contacting with the connecting mechanism is an arc surface.
6. A rice precision hill planter comprises a rack and at least one station arranged on the rack in parallel, and is characterized in that each station comprises a seed feeding setting mechanism, two groups of conveying mechanisms, a connecting mechanism for connecting the seed feeding setting mechanism and the conveying mechanisms, a reversing mechanism according to any one of claims 1 to 5 and a seed discharging mechanism.
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JP3604263B2 (en) * | 1997-09-25 | 2004-12-22 | 株式会社クボタ | Rice transplanter seedling loading device |
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CN108076742A (en) * | 2018-01-26 | 2018-05-29 | 湖州职业技术学院 | A kind of rice precision drill |
CN108207208A (en) * | 2018-01-26 | 2018-06-29 | 湖州职业技术学院 | A kind of rice paddy seed rotation transmitting device |
CN108432415A (en) * | 2018-03-30 | 2018-08-24 | 巢湖学院 | A kind of two degrees of freedom adjusting vibration sucked type seed placing device |
KR20200065256A (en) * | 2018-11-30 | 2020-06-09 | 주식회사 장 자동화 | Wireless pilot planter |
CN111972091B (en) * | 2020-09-04 | 2022-07-01 | 中国农业大学 | Belt type corn precision seed sowing device |
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