Novel wheel disc type seedling conveying mechanism for sweet potato seedlings
Technical Field
The utility model relates to a sweet potato seedling field of transplanting specifically is a novel sweet potato seedling wheel disk send seedling mechanism.
Background
At present, the sweet potato transplanting machine in China mainly feeds seedlings by people, and no self-developed effective machine for automatically supplying and delivering sweet potato seedlings exists. The sweet potato planting in Japan focuses on the research of the mechanical sweet potato transplanting technology, and the developed transplanting machines mainly have the forms of a traction riding type manual transplanting machine, a small-sized self-propelled belt type transplanting machine, a manual riding type film-breaking transplanting machine and the like, can adapt to film mulching and transplanting, and are mainly characterized by miniaturization. The existing domestic and foreign sweet potato transplanting machines are mainly manually used for feeding seedlings, people are easy to feel fatigue in the long-time seedling feeding process, the seedlings are lack of seedlings and leaked, in addition, the manual seedling feeding cannot keep up with the running speed of the machine, if the manual normal seedling feeding is needed, the running speed of the machine has to be reduced, and the working efficiency of the transplanting machine is limited. In order to realize seedling feeding in the transplanting process, the defects that the existing sweet potato transplanting machine is easy to cause fatigue due to manual seedling feeding and the phenomenon of seedling missing feeding is overcome, and in order to realize the preliminary automation of seedling feeding and reduce the labor cost, a novel sweet potato seedling wheel disc type seedling feeding mechanism is designed.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to current sweet potato transplanter manual work feed the seedling and make the people feel fatigue easily, appear leaking the shortcoming of feeding the seedling phenomenon, send the preliminary automation of seedling in order to realize, reduce the cost of labor, provide a neotype sweet potato seedling wheel disk send seedling mechanism.
In order to achieve the above object, the utility model provides a following technical scheme:
a novel sweet potato seedling wheel disc type seedling conveying mechanism comprises a transmission system, a seedling conveying mechanism, a seedling disc box, a seedling box, a machine frame, a land wheel and a clamping mechanism, wherein the transmission system comprises a motor, a shaft coupling, a transmission shaft, a bevel gear, a first transmission chain wheel and a second transmission chain wheel, the motor is connected with the transmission shaft through the shaft coupling, the transmission shaft is sequentially provided with the bevel gear, the first transmission chain wheel and the second transmission chain wheel from right to left, the seedling conveying mechanism comprises a geneva gear mechanism, a seedling conveying disc solid shaft, a seedling conveying disc hollow shaft, a seedling conveying disc transmission chain wheel, an incomplete gear set transmission chain wheel, a shaft sleeve, a seedling conveying disc and a seedling conveying disc, the geneva gear mechanism is in transmission fit with the first transmission chain wheel, one end of the seedling conveying disc solid shaft is fixed with the center of the side face of the geneva gear mechanism, the other end of the seedling, the seedling carrying tray hollow shaft is arranged on the outer ring of the solid shaft of the seedling carrying tray, the seedling carrying tray hollow shaft is in transmission fit with the second transmission chain wheel, the seedling carrying tray transmission chain wheel is arranged on the side wall of the left end of the seedling carrying tray hollow shaft, the incomplete gear set transmission chain wheel is in transmission fit with the seedling carrying tray transmission chain wheel, the incomplete gear set driving gear is arranged at the center of the side face of the incomplete gear transmission chain wheel through a connecting rod, the shaft sleeve penetrates through the seedling carrying tray, the inside of the shaft sleeve is rotatably connected with the connecting rod, one end of the connecting rod is fixed at the center of the side face of the incomplete gear driven wheel, the other end of the connecting rod is fixed at the center of the side face of the seedling carrying tray, the seedling carrying tray is provided with four fixing devices which can be freely disassembled and used for replacing the seedling tray and are uniformly distributed around the seedling carrying tray, four, the clamping mechanism is connected with the four-bar mechanism in a matching way.
Preferably, the power directions of the seedling conveying mechanism and the clamping mechanism are mutually perpendicular, the pitches of the first transmission chain wheel set, the second transmission chain wheel set and the seedling carrying disc transmission chain wheel set are the same, and the transmission ratios of the first transmission chain wheel set, the second transmission chain wheel set and the seedling carrying disc transmission chain wheel set are respectively arranged according to 1:2,2:1 and 4: 1.
Preferably, the ratio of the movable stop of the sheave mechanism is one to three, the direction of rotation of the seedling carrying discs and the direction of rotation of the seedling sending discs are the same, and the seedling carrying discs are four groups in total and are uniformly arranged on the circumference.
Preferably, the end part of the hollow shaft of the seedling carrying tray is not in contact with the side surface of the seedling conveying tray, and the hollow shaft of the seedling carrying tray is not in contact with the outer ring of the solid shaft of the seedling conveying tray.
Preferably, the fixer totally has four groups and the circumference is evenly arranged at the side of the seedling carrying tray, and the bottom of the fixer is an inclined plane.
Preferably, the clamping mechanism is of a scissor-like structure, the clamping end of the clamping mechanism is closed under the tensioning action of a spring, the roller at the left end is tightly attached to the surface of the cam through the middle connecting point, and the roller is opened and closed under the action of the contour curve of the surface of the cam to control the opening and closing of the clamping end.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model realizes the high-efficiency seedling feeding of the sweet potato transplanter, the old seedling feeding mechanism can only put in one seedling, the utility model adopts the mode of replacing the seedling carrying tray to feed the seedlings, can realize one-time operation, the seedling feeding quantity reaches four plants, the fatigue strength of operators during work is reduced, the phenomenon of missing seedling feeding during sweet potato transplanting is solved, the work efficiency of the whole machine is further improved, but also overcomes the defects that the seedling feeding of the current sweet potato transplanter is easy to cause fatigue and the seedling feeding leakage phenomenon occurs, reduces the labor cost, realizes the preliminary automation of seedling feeding, adopts a four-bar mechanism as a track control mechanism for the clamping mechanism, can accurately realize the planting track of the sweet potato seedlings, the planting track meets the agricultural requirements to the maximum extent, and the track can be adjusted, boat type and inclined planting type planting tracks can be realized, and the result rate of sweet potatoes is facilitated.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings described below are only examples of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the seedling feeding structure of the present invention;
FIG. 3 is a schematic view of the structure of the seedling tray of the present invention;
FIG. 4 is a schematic view of the seedling fixing of the utility model;
fig. 5 is a schematic structural view of the clamping mechanism of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1-motor, 2-coupler, 3-transmission shaft, 4-bevel gear, 5-first transmission chain wheel, 6-grooved wheel mechanism, 7-second transmission chain wheel, 8-seedling conveying disc solid shaft, 9-seedling carrying disc hollow shaft, 10-seedling carrying disc transmission chain wheel, 11-seedling disc box, 12-seedling box, 13-incomplete gear set driven gear, 14-shaft sleeve, 15-seedling carrying disc, 16-fixer, 17-frame, 18-seedling conveying disc, 19-ground wheel, 20-clamping mechanism, 21-incomplete gear set driving gear, 22-incomplete gear transmission chain wheel, 23-four-bar mechanism transmission shaft and 24-four-bar mechanism.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the examples of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution:
a novel roulette type seedling feeding mechanism for sweet potato seedlings comprises a transmission system, a seedling feeding mechanism, a seedling roulette box 11, a seedling roulette box 12, a frame 17, a land wheel 19 and a clamping mechanism 20, wherein the power directions of D shafts of the seedling feeding mechanism and the clamping mechanism are mutually vertical, the transmission system comprises a motor 1, a coupler 2, a transmission shaft 3, a bevel gear 4, a first transmission chain wheel 5 and a second transmission chain wheel 7, the motor 1 is connected with the transmission shaft 3 through the coupler 2, the transmission shaft 3 is sequentially provided with the bevel gear 4, the first transmission chain wheel 5 and the second transmission chain wheel 7 from right to left, the bevel gear 4 is in transmission fit with a four-bar mechanism transmission shaft 23, the end part of the four-bar mechanism transmission shaft 23 is provided with a four-bar mechanism 24, the clamping mechanism 20 is in fit connection with the four-bar mechanism 24, as shown in figure 5, the clamping mechanism 20 is of a scissor-like structure, the left end roller is tightly attached to the cam surface through the middle connecting point, and the roller performs opening and closing movement under the action of the contour curve of the cam surface to control the opening and closing of the clamping end.
As shown in fig. 2, the seedling feeding mechanism comprises a geneva gear mechanism 6, a seedling feeding disc solid shaft 8, a seedling feeding disc 18, a seedling carrying disc hollow shaft 9, a seedling carrying disc transmission chain wheel 10, an incomplete gear set driven gear 13, a shaft sleeve 14, a seedling carrying disc 15, a seedling feeding disc 18, an incomplete gear set driving gear 21 and an incomplete gear transmission chain wheel 22, the geneva gear mechanism 6 is in transmission fit with a first transmission chain wheel 5, one end of the seedling feeding disc solid shaft 8 is fixed with the center of the side surface of the geneva gear mechanism 6, the other end of the seedling feeding disc solid shaft 8 is fixed with the center of the side surface of the seedling feeding disc 18, the seedling carrying disc hollow shaft 9 is arranged on the outer ring of the seedling feeding disc solid shaft 8, the end part of the seedling carrying disc hollow shaft 9 is not in contact with the side surface of the seedling feeding disc 18, the seedling carrying disc hollow shaft 9 is in transmission fit with a second transmission chain wheel 7, the seedling carrying disc transmission chain wheel 10, the incomplete gear set driving gear 21 is arranged in the center of the side face of the incomplete gear transmission chain wheel 22 through a connecting rod, the shaft sleeve 14 penetrates through the seedling conveying disc 18, the connecting rod is rotatably connected inside the shaft sleeve 14, one end of the connecting rod is fixed in the center of the side face of the incomplete gear set driven gear 13, and the other end of the connecting rod is fixed in the center of the side face of the seedling carrying disc 15.
As shown in fig. 3, the seedling tray 15 is provided with four sets of fixing devices 16, the fixing devices 16 are evenly arranged on the side of the seedling tray 15, the bottom of the fixing device 16 is an inclined surface, and the fixing device is fixed with a brush, which is worth explaining that: the pitches of the first transmission chain wheel group, the second transmission chain wheel group and the seedling carrying disc transmission chain wheel group are the same, the transmission ratios are respectively arranged according to 1:2,2:1 and 4:1, the dynamic stop ratio of the sheave mechanism 6 is one to three, and the seedling carrying discs 15 are divided into four groups and are uniformly arranged on the circumference.
The utility model discloses a theory of operation: when the machine works, the motor 1 is used as a power source of the device, power is transmitted to the seedling feeding mechanism and the D shaft of the clamping mechanism respectively through the transmission system, the power directions of the two are mutually vertical, the power system transmits the power to the seedling feeding mechanism through the first transmission chain wheel 5 and the second transmission chain wheel 7, the power system transmits the power to the groove wheel mechanism 6 through the first transmission chain wheel 5, the solid shaft 8 of the seedling feeding disc is driven to rotate intermittently through the groove wheel mechanism 6, meanwhile, the power system transmits the power to the hollow shaft 9 of the seedling carrying disc through the second transmission chain wheel 7, the hollow shaft 9 of the seedling carrying disc transmits the power to the transmission chain wheel 10 of the seedling feeding disc, the transmission chain wheel 10 of the seedling carrying disc transmits the power to the incomplete gear transmission chain wheel 22 to drive the incomplete gear set driving gear 21 to rotate, the incomplete gear set driving gear 21 drives the incomplete gear set driven gear 13 to rotate intermittently, the seedling carrying disc 15 synchronously, the seedling conveying disc 18 rotates intermittently under the drive of the seedling conveying disc solid shaft 8, the first transmission chain wheel set, the second transmission chain wheel set and the seedling carrying disc transmission chain wheel set have the same pitch, the transmission ratio is 1:2,2:1 and 4:1, the movable stop ratio of the sheave mechanism 6 is 1:3, namely when the seedling carrying disc 15 rotates for one circle, the seedling conveying disc 18 rotates for one quarter circle, the power system sequentially transmits power to the four-bar mechanism transmission shaft 23 and the four-bar mechanism 24 through the bevel gear 4 to drive the clamping mechanism 20 to work, when sweet potato seedlings are transplanted, the seedlings are obliquely placed on the seedling carrying disc 15, the seedlings are fixed through the four fixing devices 16 uniformly distributed on the seedling carrying disc 15, the bottoms of the fixing devices 16 are inclined planes, when the fixing devices 16 rotate to the bottommost, the roots of the seedlings are inclined downwards to facilitate the clamping of the clamping mechanism 20, the angular speeds of the seedling carrying disc 15 and the seedling conveying disc 18 are the same, when the seedling carrying tray 15 rotates three quarters of a turn, the clamping mechanism 20 clamps all four seedlings, the seedling conveying tray 18 rotates one quarter of a turn under the action of the groove wheel mechanism 6, meanwhile, the seedling carrying tray 15 revolves one quarter of a turn around the central shaft of the seedling conveying tray 18 under the driving of the seedling conveying tray 18, the seedling carrying tray 15 is switched with an empty seedling carrying tray 15, after the rotation is completed, the incomplete gear set driven gear 13 connected with a new seedling carrying tray 15 is meshed with the incomplete gear set driving gear 21, the intermittent motion of the seedling carrying tray 15 is realized, an operator takes the seedling carrying tray 15 loaded with the seedlings from the seedling tray box 11 to replace the empty seedling carrying tray 15, meanwhile, the four-bar mechanism 24 drives the clamping mechanism 20 to continuously clamp the seedlings to be conveyed into sweet potato ridges, and uninterrupted planting is realized.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations can be made according to the content of the present specification, for example, four seedlings can be placed on the seedling carrying tray, and in addition, the seedling carrying tray can be modified to place six seedlings or eight seedlings, taking six seedlings as an example, the corresponding rotation relationship of the seedling carrying tray is changed to one rotation of the seedling carrying tray, one sixth rotation of the seedling sending tray, and six rotations of the incomplete gear set driving gear. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.