CN210537381U

CN210537381U - Corn seeding device

Info

Publication number: CN210537381U
Application number: CN201921585830.XU
Authority: CN
Inventors: 牛嘉森
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-23
Filing date: 2019-09-23
Publication date: 2020-05-19
Anticipated expiration: 2029-09-23

Abstract

The utility model relates to a corn seeding device, which belongs to the technical field of corn seeding and specifically comprises a frame and a connecting frame for connecting a tractor, wherein the connecting frame is fixed on the frame, a seed box is arranged on the frame, a seed sowing device is arranged at the bottom of the seed box, a seed discharging hose is connected at the bottom of the seed sowing device, a plurality of furrow openers are arranged at the front end of the frame, a fixing ring is fixed at the front end of each furrow opener, the seed discharging hose is fixed in the fixing ring, inclined swing arms are arranged at two sides of the frame through a rotating shaft, a furrow depth adjusting mechanism is arranged between each inclined swing arm and the frame, walking wheels are rotatably arranged at the bottom of each inclined swing arm, a first chain wheel set is arranged on the rotating shaft, a second chain wheel set is arranged on a middle shaft of the seed sowing device, a third chain wheel set, the utility model discloses simple structure, convenient operation can carry out the multirow seeding, and the seeding is efficient.

Description

Corn seeding device

Technical Field

The utility model relates to a maize seeder belongs to maize seeding technical field.

Background

Agricultural mechanization in China is continuously developed, more and more manual working links are gradually replaced by machines, a large amount of labor force is liberated, and working efficiency and working quality are improved. Corn is one of the main agricultural crops in China, the planting area of the corn is second to that of rice and wheat, and a large area of corn is planted in China. In order to keep the plant spacing and the emergence rate, the conventional corn seeding is usually finished manually, in the manual seeding process, firstly, pits are dug, then corn kernels are placed, and finally, the corn kernels are buried and compacted, at most 1 mu of corn can be sown in 2 individuals in one day, the working efficiency is low, and the mechanized and large-area corn planting operation cannot be realized.

The existing corn planter is mainly a single-row planting machine, the traction of the corn planter is realized through livestock or manpower, 2-4 persons are required to pull the planter in front during the planting process, the planter is held by one person, the labor intensity is high, and the planting efficiency is not very high.

SUMMERY OF THE UTILITY MODEL

For solving the technical problem that prior art exists, the utility model provides a simple structure, convenient operation can carry out the multirow seeding, sows efficient maize seeder.

In order to achieve the purpose, the technical scheme adopted by the utility model is a corn seeding device, which comprises a frame and a connecting frame for connecting a tractor, wherein the connecting frame is fixed on the frame, a seed box is installed on the frame, a seed sowing device is installed at the bottom of the seed box, a seed discharging hose is connected at the bottom of the seed sowing device, a plurality of furrow openers are installed at the front end of the frame, a fixing ring is fixed at the front end of each furrow opener, the seed discharging hose is fixed in the fixing ring, inclined swing arms are installed at two sides of the frame through rotating shafts, a furrow opening depth adjusting mechanism is arranged between each inclined swing arm and the frame, a walking wheel is rotatably installed at the bottom of each inclined swing arm, a first chain wheel set is installed on each rotating shaft, a second chain wheel set is installed on the middle shaft of the seed sowing, the ditching depth adjusting mechanism mainly comprises a lower connecting plate, an adjusting pipe, an adjusting lead screw and an upper fixing plate, the upper fixing plate is fixed at the top of the frame, the adjusting lead screw is rotatably installed on the upper fixing plate, the adjusting lead screw is installed in the adjusting pipe, threads are arranged in the adjusting pipe, a bottom plate of the adjusting pipe is hinged to the top of a lower connecting plate, and the middle of the lower connecting plate is rotatably installed on a side part hinge seat of an inclined swing arm through a pin shaft.

Preferably, the front end of the seed outlet hose is also hung with a soil covering roller, and two ends of the soil covering roller are hung on the frame through an iron chain.

Preferably, the frame mainly comprises first mount and a plurality of second mount, the slide rail is installed to the bottom of first mount, be fixed with the slider on the second mount, slider slidable mounting is on the slide rail, install line spacing adjustment mechanism between second mount and the first mount, line spacing adjustment mechanism mainly comprises fixing base, double threaded screw and expansion bracket, fix the lateral part at first mount on the fixing base, the double threaded screw rotates and installs in the fixing base, the both ends screw thread of double threaded screw revolves to opposite, operating handle is installed to the one end of double threaded screw, the regulation seat is installed respectively at the both ends of double threaded screw, adjust a threaded connection on the double threaded screw, the expansion bracket mainly is connected the extending structure who constitutes through first connecting axle by a plurality of scissors structure head and the tail, just the scissors structure mainly by first connecting rod, The second connecting rod and the second connecting shaft which is arranged in the middle and used for connecting the first connecting rod and the second connecting rod are formed, the bottom of the second connecting shaft is fixed on the second fixing frame respectively, and one end of the first connecting rod and one end of the second connecting rod are rotatably installed on the adjusting seat respectively.

Preferably, the slide rail is T type slide rail, and the quantity of slide rail is 2, distributes respectively at the front end and the rear end of first mount bottom, the slider is T type spout, the quantity of slider is 2, and slidable mounting is on T type slide rail.

Preferably, be provided with a plurality of baffles in the seed case, separate into a plurality of kinds of chambeies of storing up with the seed case, every bottom of storing up kind of chamber all is provided with the play seed mouth with the seed metering ware intercommunication, still install the (mixing) shaft in the seed case, install the puddler on the (mixing) shaft, the fourth sprocket group is installed to the tip of (mixing) shaft, fourth sprocket group and second sprocket group chain are connected.

Compared with the prior art, the utility model discloses following technological effect has: the utility model has simple structure and reasonable design, adopts the tractor to pull and sow, can sow multiple rows, has high sowing efficiency, simultaneously fixes the furrow opener and the seed discharging hose together, adjusts the furrow opener through the row spacing adjusting mechanism, synchronously moves the furrow opener and the seed discharging hose in the adjusting process, thus ensuring that the seed falling position of the seed discharging hose is always positioned in the groove; the row spacing adjusting mechanism adopts a scissor type telescopic structure and is driven through a double-end screw, so that in the telescopic process of the scissor type telescopic structure, a plurality of furrow openers can be guaranteed to move synchronously, the planting space is guaranteed to be the same, the operation is simple, the adjustment is convenient, and the adjustment efficiency is high.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a left side view of fig. 1.

Fig. 3 is a schematic structural diagram of the middle frame of the present invention.

Fig. 4 is a schematic structural view of the middle slide rail of the present invention.

Fig. 5 is a schematic structural diagram of the middle row spacing adjusting mechanism of the present invention.

Fig. 6 is a schematic structural diagram of the seed box of the present invention.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in figures 1 and 2, the corn seeding device comprises a frame 1 and a connecting frame 2 used for connecting a tractor, wherein the connecting frame 2 is fixed on the frame 1, a seed box 3 is installed on the frame 1, a seed metering device 4 is installed at the bottom of the seed box 3, a seed discharging hose 5 is connected to the bottom of the seed metering device 4, a plurality of furrow openers 6 are installed at the front end of the frame 1, a fixing ring 7 is fixed at the front end of each furrow opener 6, the seed discharging hose 5 is fixed in the fixing ring 7, inclined swing arms 9 are installed at two sides of the frame 1 through a rotating shaft 8, a furrow depth adjusting mechanism 10 is arranged between each inclined swing arm 9 and the frame 1, a traveling wheel 11 is rotatably installed at the bottom of each inclined swing arm 9, a first chain wheel set 40 is installed on the rotating shaft 8, a second chain wheel set 12 is installed on a middle shaft of the seed metering device 4, a third, The third chain wheel set 13 is connected through a chain, the ditching depth adjusting mechanism 10 is mainly composed of a lower connecting plate 14, an adjusting pipe 15, an adjusting screw rod 16 and an upper fixing plate 17, the upper fixing plate 17 is fixed at the top of the rack 1, the adjusting screw rod 16 is rotatably installed on the upper fixing plate 17, the adjusting screw rod 16 is installed in the adjusting pipe 15, threads are arranged in the adjusting pipe 15, a bottom plate of the adjusting pipe 15 is hinged to the top of the lower connecting plate 14, and the middle of the lower connecting plate 14 is rotatably installed on a side hinged seat of the inclined swing arm 9 through a pin shaft.

The utility model discloses simple structure, reasonable in design during the use, places the seed earlier in seed case, when walking the wheel and roll, drives the seed metering wheel rotation of seed metering ware through first sprocket group, second sprocket group, third sprocket group, makes the seed get into out the kind of hose, scatters at the ditch inslot. Meanwhile, when the travelling wheels roll, the furrow opener forms a groove in soil, the seed outlet hose is positioned at the rear part of the furrow opener, and seeds fall into the groove. The ditching depth adjusting mechanism is mainly used for adjusting the height of the ditcher and further controlling the ditching depth. When the ditching machine needs to be adjusted, the adjusting screw rod is rotated to move out or insert from the adjusting pipe, so that the included angle between the inclined swinging arm and the ground is adjusted, the ditching depth is adjusted, and the ditching machine is simple and convenient to adjust.

Wherein, the front end of the seeding hose 5 is also hoisted with an earthing roller 18, the two ends of the earthing roller 18 are hoisted on the frame 1 through an iron chain 19, and the earthing roller is mainly used for earthing the groove to bury the seeds in the groove.

As shown in fig. 3 to 5, the frame 1 mainly includes a first fixing frame 20 and a plurality of second fixing frames 21, a slide rail 22 is installed at the bottom of the first fixing frame 20, a slide block 23 is fixed on the second fixing frame 21, the slide block 23 is slidably installed on the slide rail 22, a line spacing adjusting mechanism 24 is installed between the second fixing frame 21 and the first fixing frame 20, the line spacing adjusting mechanism 24 mainly includes a fixing base 25, a double-headed screw 26 and an expansion frame 27, the fixing base 25 is fixed on the side portion of the first fixing frame 20, the double-headed screw 26 is rotatably installed in the fixing base 25, the thread directions of both ends of the double-headed screw 26 are opposite, an operating handle 41 is installed at one end of the double-headed screw 26, adjusting bases 28 are respectively installed at both ends of the double-headed screw 26, the adjusting bases 28 are threadedly connected to the double-headed screw 26, the expansion frame 27 mainly includes a plurality of scissors structures, the scissors structure 29 is mainly composed of a first connecting rod 30, a second connecting rod 31 and a second connecting shaft 32 arranged in the middle for connecting the first connecting rod and the second connecting rod, the bottom of the second connecting shaft 32 is respectively fixed on the second fixing frame 21, and one end of the first connecting rod 30 and one end of the second connecting rod 31 are respectively rotatably mounted on the adjusting base 28.

When the flexible seed discharging pipe is used, the seed discharging hose and the furrow opener are fixed together, the seed discharging hose is made of a plastic hose, and therefore when the flexible seed discharging pipe moves along with the furrow opener, small-amplitude bending can be conducted, and seed falling is not affected. The furrow opener is fixed on a second fixing frame at the bottom of the first fixing frame, the second fixing frame is arranged at the bottom of the first fixing frame through a sliding block and a sliding rail, and the second fixing frame can transversely slide on the sliding rail. In order to ensure that the second fixing frame moves synchronously and the adjusted planting row spacing is the same, a synchronous adjusting mechanism is adopted for adjustment. When the adjustment, rotate double-threaded screw through operating handle, because double-threaded screw both ends screw thread revolves to opposite, make two regulation seats do the phase displacement on double-threaded screw, when adjusting the seat and removing like this, adjust the seat and drive the scissors structure and remove, and then drive second mount synchronous motion, realize planting the regulation of line interval.

Wherein, slide rail 22 is T type slide rail, and the quantity of slide rail is 2, distributes respectively at the front end and the rear end of first mount 20 bottom, and slider 23 is T type spout, and the quantity of slider 23 is 2, and slidable mounting is on T type slide rail, adopts this kind of structure to make the second mount connect more reliably, and intensity is high, is difficult for appearing the derailment phenomenon at the ditching in-process.

As shown in fig. 6, a plurality of partition boards 34 are arranged in the seed box 3 to divide the seed box into a plurality of seed storage cavities 35, a seed outlet 36 communicated with the seed metering device is arranged at the bottom of each seed storage cavity 35, a stirring shaft 37 is further arranged in the seed box 3, a stirring rod 38 is arranged on the stirring shaft 37, a fourth chain wheel set 39 is arranged at the end of the stirring shaft 37, and the fourth chain wheel set 39 is connected with the second chain wheel set chain 12.

The foregoing is considered as illustrative and not restrictive of the preferred embodiments of the invention, and any modifications, equivalents and improvements made within the spirit and principles of the invention are intended to be included within the scope of the invention.

Claims

1. Maize seeder, including the frame with be used for connecting the link of tractor, the link is fixed in the frame, its characterized in that: the seed box is installed on the rack, the seed sowing device is installed at the bottom of the seed box, the bottom of the seed sowing device is connected with a seed outlet hose, a plurality of furrow openers are installed at the front end of the rack, a fixing ring is fixed at the front end of each furrow opener, the seed outlet hose is fixed in the fixing ring, inclined swing arms are installed on two sides of the rack through a rotating shaft, a ditching depth adjusting mechanism is arranged between each inclined swing arm and the rack, a traveling wheel is installed at the bottom of each inclined swing arm in a rotating manner, a first chain wheel set is installed on the rotating shaft, a second chain wheel set is installed on a middle shaft of the seed sowing device, a third chain wheel set is installed on a wheel shaft of each traveling wheel, the first chain wheel set, the second chain wheel set and the third chain wheel set are connected through chains, and the ditching depth adjusting mechanism, the upper fixing plate is fixed at the top of the rack, the adjusting screw rod is rotatably mounted on the upper fixing plate and mounted in the adjusting pipe, threads are arranged in the adjusting pipe, a bottom plate of the adjusting pipe is hinged to the top of the lower connecting plate, and the middle of the lower connecting plate is rotatably mounted on a side portion hinge seat of the inclined swing arm through a pin shaft.

2. The corn planting device of claim 1, wherein: the front end of the seed outlet hose is also hung with a soil covering roller, and the two ends of the soil covering roller are hung on the frame through iron chains.

3. The corn planting device of claim 1, wherein: the frame mainly comprises first mount and a plurality of second mount, the slide rail is installed to the bottom of first mount, be fixed with the slider on the second mount, slider slidable mounting is on the slide rail, install line spacing adjustment mechanism between second mount and the first mount, line spacing adjustment mechanism mainly comprises fixing base, double threaded screw and expansion bracket, fix the lateral part at first mount on the fixing base, the double threaded screw rotates to install in the fixing base, the both ends screw thread of double threaded screw is opposite soon, operating handle is installed to the one end of double threaded screw, the regulation seat is installed respectively at the both ends of double threaded screw, adjust a threaded connection on double threaded screw, the expansion bracket mainly is connected the extending structure who constitutes through first connecting axle by a plurality of scissors structure head and the tail, just the scissors structure mainly comprises first connecting rod, a plurality of scissors structure, The second connecting rod and the second connecting shaft which is arranged in the middle and used for connecting the first connecting rod and the second connecting rod are formed, the bottom of the second connecting shaft is fixed on the second fixing frame respectively, and one end of the first connecting rod and one end of the second connecting rod are rotatably installed on the adjusting seat respectively.

4. The corn planting device of claim 3, wherein: the slide rail is T type slide rail, and the quantity of slide rail is 2, distributes respectively at the front end and the rear end of first mount bottom, the slider is T type spout, the quantity of slider is 2, and slidable mounting is on T type slide rail.

5. The corn planting device of claim 1, wherein: the seed box is internally provided with a plurality of clapboards, separates into a plurality of seed storage cavities with the seed box, and the bottom in every seed storage cavity all is provided with the play seed mouth that communicates with the seed metering ware, still install the (mixing) shaft in the seed box, install the puddler on the (mixing) shaft, fourth sprocket group is installed to the tip of (mixing) shaft, fourth sprocket group is connected with second sprocket group chain.