Air blast type hill drop planter

Abstract

The application discloses a blowing type hole sowing device, which comprises a shell, a containing cavity for containing seeds in the shell, a seed screening mechanism for screening seeds in the containing cavity, a seed discharging mechanism connected with the seed screening mechanism and used for discharging seeds and switching hole sowing and strip sowing at any time, an air inlet pipe located on the left side of the shell and communicated with the seed screening mechanism, and an air inlet pipe located on the right side of the shell and communicated with the seed discharging mechanism. The seed discharging mechanism is arranged to freely realize hole sowing and strip sowing of spherical seeds, the blowing mechanism is arranged to operate, and the seed falling is accelerated, so that the precision between plant spacings is ensured, the seeds are blown out, and the quantity of the seeds is ensured.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of agricultural equipment, in particular to a blowing type hole planting device. BACKGROUND

[0002] The seeding machine is a planting machine with crop seeds as the seeding object. According to the seeding mode, the seeding machine is divided into strip planting type, hole planting type, precision type, combined type and the like. Most of the seeding machines on the market are strip planting type, that is, the existing seeding machine has a single use mode, cannot timely switch the strip planting mode and the hole planting mode according to the use demand, affects the use demand, and needs to replace different seeding machines to switch the seeding state, which is high in cost and complicated in operation. For example, a seed strip seeding machine is disclosed in a Chinese patent with the authorization announcement number CN 218125416 U, which comprises a base, support wheels installed at the four corners of the bottom end of the base, a reserved hole formed in the surface of the base, a support installed at the top end of the base, a seed storage box installed at the top end of the support, connecting plates installed at both sides of the base, a water conveying pipe installed on the opposite side of the connecting plate, and a water outlet pipe installed on the surface of the water conveying pipe. The device has a series of structures, so that the seeds fall into the inner cavity of the seed conveying pipe from the inner cavity of the cross-shaped board, are discharged from the seed conveying pipe, and fall into the opened groove, thereby achieving the seeding effect. The patent can only be used for seed strip planting, and cannot be used for seed hole planting. If seed hole planting is needed, different seeding machines have to be replaced, which is high in cost. Moreover, the number of seeds and the seeding precision of the patent have errors, and the seeding effect is not good.

[0003] Therefore, it is a problem worth studying to provide a blowing type hole planting device with convertible seeding mode and high precision of seed number and seeding plant spacing. SUMMARY

[0004] The purpose of the present application is to provide a blowing type hole planting device with adjustable seeding mode and high precision of seed number and seeding plant spacing.

[0005] The purpose of the present application is achieved as follows:

[0006] The blowing type hole planting device comprises a shell, a containing cavity for containing seeds in the shell, a seed screening mechanism for screening seeds in the containing cavity, a seed discharging mechanism connected with the seed screening mechanism and used for discharging seeds and switching hole planting and strip planting at any time, an air inlet pipe located at the left side of the shell and communicated with the seed screening mechanism, and an air inlet pipe located at the right side of the shell and communicated with the seed discharging mechanism.

[0007] The seed screening mechanism comprises a positioning disc located in the shell and connected with the rotating shaft and rotating in the vertical direction, a seed screening disc located on the outer circumferential surface of the positioning disc and rotating synchronously with the positioning disc, a plurality of seed screening holes located on the seed screening disc and arranged along the circumference of the seed screening disc, and a baffle located on the right side surface of the seed screening disc and used for shielding part of the seed screening holes, the unshielded seed screening holes being opposite to the air inlet pipe when rotating below the shell to blow the seeds in the seed screening holes into the seed spacing mechanism.

[0008] The seed spacing mechanism comprises a seed outlet box fixedly connected with the right side surface of the shell and communicated with the seed screening mechanism through the seed outlet pipe, a baffle located in the seed outlet box and used for blocking or opening the outlet of the seed outlet box, and a driving assembly used for driving the baffle to rotate, one end of the baffle being movably connected with the inner side surface of the seed outlet box through the rotating shaft.

[0009] The driving assembly comprises a chuck sleeved on the outer circumferential surface of the seed screening disc, a plurality of clamping grooves located on the outer circumferential surface of the chuck, a boss located in the clamping groove, a trigger rod located below the chuck, and a spring having two ends connected with the trigger rod and the shell respectively and restoring the trigger rod to the original position, the other end of the trigger rod being located below the baffle and connected with the shell and the side wall of the seed outlet box through the strip-shaped slot.

[0010] The clamping grooves are uniformly distributed along the outer circumferential surface of the chuck, and the outer surface of the boss is located outside the outer circumferential surface of the chuck.

[0011] The seed outlet box comprises a box body and a seed outlet located at the bottom of the box body, and the air inlet pipe is communicated with the top of the box body to accelerate the falling of the seeds and ensure the precision between the plant spacings.

[0012] The side surface of the seed screening disc is provided with a cleaning rod used for cleaning the seeds in the accommodating cavity.

[0013] The seed spacing mechanism of the present application can freely realize seed hill-drop and strip-drop when sowing spherical seeds, the boss is installed on the seed screening wheel, the trigger rod moves up and down through the boss, the trigger rod is connected with the spring, the boss rotates with the seed screening wheel to contact the trigger rod to move the trigger rod in the vertical direction to open the baffle, the seeds are discharged, the spring is reset, the number of seeds required at one time can be adjusted according to the number of bosses in the seed spacing mechanism, the blowing mechanism is operated to accelerate the falling of the seeds and ensure the precision between the plant spacings, and the seeds are blown out to ensure the number of seeds. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structural schematic view of the present application;

[0015] Figure 2 It is a top view of Figure 1

[0016] Figure 3 It is a side view of Figure 1 ​A three-dimensional image;

[0017] Figure 4 This is the left view after removing the lower part of the shell;

[0018] Figure 5 This is a 3D view after removing the upper part of the shell;

[0019] Figure 6 This is a cross-sectional view along the AA direction;

[0020] Figure 7 This is a schematic diagram of the seed dispensing box and seed metering mechanism of the present invention;

[0021] Figure 8 for Figure 1 The left view;

[0022] Figure 9 This is a cross-sectional view along the BB direction;

[0023] In the diagram: 1. Shell; 2. Air inlet pipe; 3. Seed outlet box; 4. Air inlet pipe; 5. Receiving cavity; 6. Seed screening mechanism; 7. Seed discharging mechanism; 8. Cleaning rod; 31. Box body; 32. Seed outlet; 61. Positioning plate; 62. Seed screening wheel; 63. Seed screening hole; 64. Baffle; 71. Chuck; 72. Slot; 73. Boss; 74. Trigger rod; 75. Spring; 76. Baffle; 77. Seed outlet pipe. Implementation

[0024] The present invention will be further described below with reference to the accompanying drawings and embodiments. Example 1

[0025] like Figures 1 to 9 As shown, an air-blowing type seeding device includes a housing 1, a seed-containing cavity 5 located within the housing 1 for holding seeds, a seed-screening mechanism 6 located within the seed-containing cavity 5 for screening seeds, a seed-discharging mechanism 7 connected to the seed-screening mechanism 6 for discharging seeds and switching between hill sowing and row sowing at any time, an air inlet pipe 2 located on the left side of the housing 1 and connected to the seed-screening mechanism 6, and an air inlet pipe 4 located on the right side of the housing 1 and connected to the seed-discharging mechanism 7. The function of the air inlet 4 is to accelerate seed descent and ensure the accuracy of plant spacing; the air inlet pipe 2 blows to ensure that all seeds are blown out, thereby ensuring the seed quantity. The seed-discharging mechanism is designed to allow for free hill sowing and row sowing when sowing spherical seeds, and the air-blowing mechanism accelerates seed descent, ensures the accuracy of plant spacing, and ensures that all seeds are blown out, thereby ensuring the seed quantity.

[0026] The seed screening mechanism 6 comprises a positioning disc 61 located in the shell 1 and connected with the rotating shaft and rotating in the vertical direction, a seed screening disc 62 located on the outer circumferential surface of the positioning disc 61 and rotating synchronously with the positioning disc 61, a plurality of seed screening holes 63 located on the seed screening disc 62 and arranged along the circumference, a baffle 64 located on the right side surface of the seed screening disc 62 and used for shielding part of the seed screening holes 63, the baffle 64 is an arc-shaped baffle with an opening at the bottom, the baffle 64 is fixed with the seed box 3 and does not rotate, and is used for shielding part of the seed screening holes 63 on the seed screening disc 62, so that the seed is prevented from being blown to other seeds by mistake when air blowing, the seed screening holes 63 not shielded by the baffle 64 are rotated to correspond to the air inlet pipe 2 below the shell 1 to blow the seeds in the seed screening holes 63 into the seed arranging mechanism 7, the seeds larger than the diameter of the seed screening holes 63 cannot enter the seed screening holes 63 to be sowed, the seed screening is facilitated, the rotating shaft is connected with the driving motor to make the positioning disc 61 and the seed screening disc 62 rotate synchronously, in the process of rotating of the seed screening disc 62, the seeds enter the seed screening holes 63, when the seed screening holes 63 move to the bottom, the air inlet pipe 2 blows the seed screening holes 63 to make the seeds enter the seed arranging mechanism 7 to be arranged and sowed.

[0027] The seed arranging mechanism 7 comprises a seed outlet box 4 fixedly connected with the right side surface of the shell 1 and communicated with the seed screening holes through the seed outlet pipe 77, a baffle 76 located in the seed outlet box 4 and used for blocking or opening the outlet of the seed outlet box, a driving assembly used for driving the baffle 76 to rotate, when the seed screening holes 63 move to the bottom, the seeds enter the seed outlet pipe 77 and enter the seed outlet box 4, one end of the baffle 76 is movably connected with the inner side surface of the seed outlet box 4 through the rotating shaft. The driving assembly comprises a chuck 71 sleeved on the outer circumferential surface of the seed screening disc 62, a plurality of clamping grooves 72 located on the outer circumferential surface of the chuck 71, a boss 73 located in the clamping groove 72, a trigger rod 74 located below the chuck 72, a spring 75 having two ends respectively connected with the trigger rod 74 and the shell 1 and making the trigger rod 74 return to the original position, the other end of the trigger rod 74 is located below the baffle 76 and connected with the side wall of the shell 1 and the seed outlet box 4 through a strip-shaped groove, the bottom plate of the strip-shaped groove is located below the chuck 71 and higher than the bottom of the boss 73, so that the boss 73 presses downward the trigger rod 74 when passing through the trigger rod 74. The clamping grooves 72 are uniformly distributed along the outer circumferential surface of the chuck 71, the outer surface of the boss 73 is located outside the outer circumferential surface of the chuck 71, the boss is installed on the clamping groove 72, the trigger rod 74 passes through the boss 73 to ensure the direction of the upward and downward movement of the trigger rod 74, the trigger rod 74 is connected with the spring 75. When the boss 73 rotates with the seed screening disc 72, the boss 73 contacts the trigger rod 74 to make the trigger rod 74 move in the vertical direction and downward to open the baffle 76, so that the seeds are discharged, after the boss 73 is separated from the trigger rod 74, the trigger rod 74 moves upward by the reset of the spring 75, the trigger rod 74 pushes the baffle 76, according to the number of the bosses, the number of the seeds required to be arranged at one time can be adjusted, when strip sowing is required, all the bosses are installed in the clamping grooves, if five seeds are required to be sowed in one hole, one boss is installed in the middle of four clamping grooves.

[0028] The seed outlet box 3 includes a box body 31, a seed outlet 32 ​​located at the bottom of the box body 31, and an air inlet pipe 4 connected to the top of the box body 31 to accelerate the falling of seeds and ensure the accuracy of the spacing between plants.

[0029] When multiple inventions are used, mounting holes are reserved on the seed box 3 so that multiple inventions can be connected to form a seeder. Example 2

[0030] like Figures 1 to 9 As shown, an air-blowing type seeding device includes a housing 1, a seed-containing cavity 5 located within the housing 1 for holding seeds, a seed-screening mechanism 6 located within the seed-containing cavity 5 for screening seeds, a seed-discharging mechanism 7 connected to the seed-screening mechanism 6 for discharging seeds and switching between hill sowing and row sowing at any time, an air inlet pipe 2 located on the left side of the housing 1 and connected to the seed-screening mechanism 6, and an air inlet pipe 4 located on the right side of the housing 1 and connected to the seed-discharging mechanism 7. The function of the air inlet 4 is to accelerate seed descent and ensure the accuracy of plant spacing; the air inlet pipe 2 blows to ensure that all seeds are blown out, thereby ensuring the seed quantity. The seed-discharging mechanism is designed to allow for free hill sowing and row sowing when sowing spherical seeds, and the air-blowing mechanism accelerates seed descent, ensures the accuracy of plant spacing, and ensures that all seeds are blown out, thereby ensuring the seed quantity.

[0031] The seed screening mechanism 6 includes a positioning disk 61 located inside the housing 1 and connected to a rotating shaft, rotating vertically; a seed screening disk 62 located on the outer circumference of the positioning disk 61 and rotating synchronously with the positioning disk 61; a plurality of seed screening holes 63 located on the seed screening disk 62 and arranged circumferentially; and a baffle 64 located on the right side of the seed screening disk and used to block some of the seed screening holes 63. The baffle 64 is an arc shape with an opening at the bottom, and is fixed to the lower seed box 3 and does not rotate. It is used to block some of the seed screening holes 63 on the seed screening disk 62, which can prevent other seeds from being accidentally blown on during air blowing. When the seed sieve hole 63, which is not blocked by the baffle 64, rotates to the bottom of the housing 1, it corresponds to the air inlet pipe 2 to blow the seeds in the seed sieve hole 63 into the seed dispensing mechanism 7. Seeds larger than the diameter of the seed sieve hole 63 cannot enter the seed sieve hole 63 for sowing, which facilitates the screening of seeds. The rotating shaft is connected to the drive motor so that the positioning plate 61 and the seed sieve plate 62 rotate synchronously. During the rotation of the seed sieve plate 62, the seeds enter the seed sieve hole 63. When the seed sieve hole 63 moves to the bottom, the air inlet pipe 2 blows the seed sieve tube 63 to make the seeds enter the seed dispensing mechanism 7 for dispensing and sowing.

[0032] The seed discharging mechanism 7 comprises a seed discharge box 4 fixedly connected with the right side of the shell 1 and communicated with the seed discharge tube 77 through the seed screening hole, a baffle 76 located in the seed discharge box 4 and used for blocking or opening the outlet of the seed discharge box, a driving assembly used for driving the baffle 76 to rotate, and the seed screening hole 63 moves to the bottom and corresponds to the seed discharge tube 77, so that the seed enters the seed discharge tube 77 and the seed discharge box 4, and one end of the baffle 76 is movably connected with the inner side of the seed discharge box 4 through a rotating shaft. The driving assembly comprises a chuck 71 sleeved on the outer circumferential surface of the seed screening disc 62, a plurality of clamping grooves 72 located on the outer circumferential surface of the chuck 71, a boss 73 located in the clamping groove 72, a trigger rod 74 located below the chuck 72, a spring 75 having two ends respectively connected with the trigger rod 74 and the shell 1 and restoring the trigger rod 74 to the original position, and the other end of the trigger rod 74 is located below the baffle 76 and connected with the side wall of the shell 1 and the seed discharge box 4 through a strip-shaped groove, the bottom plate of the strip-shaped groove is located below the chuck 71 and higher than the bottom of the boss 73, so that the boss 73 presses downwardly on the trigger rod 74 when passing through the trigger rod 74. The clamping grooves 72 are uniformly distributed along the outer circumferential surface of the chuck 71, the outer surface of the boss 73 is located outside the outer circumferential surface of the chuck 71, the boss is installed on the clamping groove 72, the trigger rod 74 passes through the boss 73 to ensure the direction of the upward and downward movement of the trigger rod 74, and the trigger rod 74 is connected with the spring 75. When the boss 73 rotates with the seed screening wheel 72, the boss 73 contacts the trigger rod 74 to move the trigger rod 74 in the vertical direction and downwardly, so that the baffle 76 is opened to realize the discharge of the seed. After the boss is separated from the trigger rod 74, the trigger rod 74 is upwardly moved by the spring 75, so that the trigger rod 74 pushes the baffle 76. According to the number of the bosses, the number of the seeds required for one time can be adjusted. When strip seeding is required, all the bosses are installed in the clamping grooves. If five seeds are required for one hole, one boss is installed in the middle of four clamping grooves.

[0033] The seed discharge box 3 comprises a box body 31 and a seed outlet 32 located at the bottom of the box body 31, and the air inlet pipe 4 is communicated with the top of the box body 31 to accelerate the falling of the seed and ensure the accuracy of the plant spacing.

[0034] The side surface of the seed screening disc 62 is provided with a cleaning rod 8 used for cleaning the seed in the accommodating cavity, and the cleaning rod 8 rotates synchronously with the seed screening disc 62 to make the seed in the accommodating cavity 5 enter the seed screening hole 63.

[0035] When a plurality of the present application is used, the mounting holes are reserved on the seed discharge box 3 to connect the plurality of the present application to form a seeding machine.

[0036] The seed arranging mechanism is used for freely realizing seed hill-drop and strip-drop when sowing spherical seeds. The convex is installed on the seed screening wheel. The trigger rod moves up and down through the convex to ensure the direction of movement. The trigger rod is connected with the spring. When the convex rotates with the seed screening wheel, the trigger rod moves in the vertical direction to open the baffle and realize the seed discharge. The spring is reset. According to the number of convexes in the seed arranging mechanism, the number of seeds required at one time can be adjusted. The operation of the blowing mechanism setting accelerates the seed falling, ensures the precision of the plant spacing, ensures that the seeds are blown out, and thus ensures the number of seeds.

Claims

1. A pneumatic hill-drop planter characterized by: The seed screening device comprises a shell, a seed containing cavity in the shell, a seed screening mechanism in the seed containing cavity, a seed discharging mechanism connected with the seed screening mechanism and used for discharging seeds and switching between hill planting and row planting, an air inlet pipe on the left side of the shell and communicated with the seed screening mechanism, and an air inlet pipe on the right side of the shell and communicated with the seed discharging mechanism. The seed screening mechanism comprises a positioning disc in the shell and connected with a rotating shaft and rotated in the vertical direction, a seed screening disc on the outer circumferential surface of the positioning disc and synchronously rotated with the positioning disc, a plurality of seed screening holes on the seed screening disc and arranged in the circumferential direction of the seed screening disc, and a baffle on the right side of the seed screening disc and used for shielding part of the seed screening holes. The seed discharging mechanism comprises a seed discharging box fixedly connected with the right side of the shell and communicated with the seed screening mechanism through a seed discharging pipe, a baffle in the seed discharging box and used for blocking or opening the outlet of the seed discharging box, and a driving assembly used for driving the baffle to rotate. The driving assembly comprises a chuck sleeved on the outer circumferential surface of the seed screening disc, a plurality of clamping grooves on the outer circumferential surface of the chuck, a protrusion in the clamping groove, a trigger rod below the chuck, a spring connected with the trigger rod and the shell at two ends and used for restoring the trigger rod to the original position, and the other end of the trigger rod below the baffle and connected with the shell and the side wall of the seed discharging box through a strip-shaped groove.

2. The air-assisted hill-drop device of claim 1, wherein: The clamping grooves are uniformly distributed along the outer circumferential surface of the chuck, and the outer surface of the protrusion is located outside the outer circumferential surface of the chuck.

3. The air-assisted hill-drop device of claim 1, wherein: The seed discharging box comprises a box body and a seed discharging port on the bottom of the box body, and the air inlet pipe is communicated with the top of the box body to accelerate the falling of the seeds and ensure the accuracy between the plant spacings.

4. The air-assisted hill-drop device of claim 1, wherein: The side surface of the seed screening disc is provided with a cleaning rod used for cleaning the seeds in the seed containing cavity. The seed screening device has the advantages that the seed screening device is capable of screening seeds and discharging the screened seeds, and the seed screening device is capable of switching between hill planting and row planting at any time.

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