Feeding device for corn planter

Abstract

A feeding device for a corn planter relates to the technical field of agricultural appliances and comprises a supporting barrel shell which is lifted vertically, a seeding roller which is rotatably arranged is coaxially, horizontally and slidably arranged in the supporting barrel shell, a seed inlet is formed in the top of the supporting barrel shell, and a seed outlet opposite to the seed inlet is formed in the bottom of the supporting barrel shell. Single-seed sowing grooves and multiple-seed sowing grooves are formed in the roller wall of the sowing roller side by side in the axial direction, a plurality of single-seed sowing grooves and multiple-seed sowing grooves are formed in the circumferential direction in a surrounding mode, and the sowing grooves and the multiple-seed sowing grooves are alternately aligned to the seed inlet and the seed outlet through sliding of the sowing roller. The corn seeder solves the problems that when a corn seeder in the prior art is used for seeding and single-seed dibble seeding is carried out, due to the fact that corn seeds of different batches are different in size, when seeding is carried out through a seeding roller, the seeding roller is limited by the size of the corn seeds, and the phenomenon that excessive seeding or crushing of the seeds is prone to occurring is solved. Therefore, the seeding efficiency is influenced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of agricultural tools, and particularly relates to a feeding device for a corn seeding machine. BACKGROUND

[0002] The level of corn breeding determines the yield of corn to a large extent, so the role of corn breeding is more prominent, and the breeding effect is largely determined by the performance of the seeding machine. Developing corn breeding equipment that meets modern breeding methods is an inevitable trend for the mechanization of corn breeding.

[0003] The current corn seeding and breeding seed metering device cannot perform seed metering work on different soil layers, that is, the breeding pit depth is fixed, and the seed metering depth is also fixed, which cannot be applied to breeding work in a test environment, and the switching between single-particle and multi-particle seed metering is not convenient, therefore, a precision seed metering device for corn seeding is needed.

[0004] A patent with publication number CN218451149U is disclosed in the prior art, which includes a moving plate, a connecting piece is hinged to the front end of the moving plate, a plow is fixed to the lower end of the moving plate through bolts, and a hopper is arranged on the upper end of the plow, the hopper is inserted and fixed in the inside of the moving plate, a flow limiting plate is arranged in the inside of the hopper, a flow hole is formed in the inside of the flow limiting plate, a manual valve is inserted in the inside of the flow limiting plate, a conveying screw is arranged on the upper end of the flow limiting plate, an electric motor is connected to the upper end of the conveying screw, a fixed pipe is arranged on the rear side of the hopper, the fixed pipe is fixed to the lower end of the moving plate through bolts, a rotating connection sleeve is rotatably connected to the outside of the fixed pipe, and a soil covering plate is welded to the outer end of the rotating connection sleeve. The utility model solves the problem of insufficient function of the seeding device in the background art, cannot realize complete seeding process, and easily causes uneven discharge.

[0005] The existing device gradually exposes the deficiencies of the prior art with use, mainly in the following aspects:

[0006] First, when the existing corn seeding machine is seeding, when single-point seeding is performed, due to the different sizes of different batches of corn seeds, it is limited by the size of the corn seeds when seeding with the seeding roller, which easily causes multiple seeding or seed crushing, thereby affecting the seeding efficiency.

[0007] Second, the seeding depth of the existing corn seeding tube is fixed, and it cannot be seeded according to different depth seeding furrows, which affects the survival rate of corn seeds.

[0008] In summary, the prior art obviously has inconvenience and defects in actual use, so it is necessary to improve. UTILITY MODEL CONTENTS

[0009] In view of the defects in the prior art, the utility model provides a feeder for corn seeding machine to solve the problem of the corn seeding machine in the prior art that when single point seeding is carried out, different batches of corn seeds are different in size, which limits the size of corn seeds and causes multiple seeding or seed crushing, thereby affecting the seeding efficiency.

[0010] To achieve the above object, the utility model provides the following technical scheme:

[0011] The utility model discloses a feeder for corn seeding machine, including the support cylinder shell that vertical lifting, the seed roller of rotation setting is arranged in the support cylinder shell and slides horizontally, the top of support cylinder shell is equipped with the seed inlet, the bottom of support cylinder shell is equipped with the seed outlet with seed inlet opposite setting, the parallel of single kind seed groove and multiple seed groove is equipped with along the axial direction on the roller wall of seed roller, single kind seed groove and multiple seed groove surround a plurality of along the circumferential direction, and the seed groove and multiple seed groove are alternately aligned seed inlet and seed outlet through the sliding of seed roller,

[0012] The single kind seed groove and multiple seed groove are smoothly connected with the surplus seed guide transition groove of seed roller surface at the smooth transition of the groove edge behind the rotation direction of seed roller.

[0013] As an optimized scheme, the lower end of the support cylinder shell is vertically fixed with a discharge pipe covering the seed outlet.

[0014] As an optimized scheme, the outer wall of the discharge pipe near the lower end is fixed with a soil guide plow.

[0015] As an optimized scheme, the upper end of the support cylinder shell is vertically fixed with a feed pipe covering the seed inlet, and the upper end of the feed pipe is connected with a corrugated hose.

[0016] As an optimized scheme, the single kind seed groove is arranged in parallel along the axial direction of the seed roller, and the slot area of the single kind seed groove between the multiple turns is arranged in an increasing manner.

[0017] As an optimized scheme, the outer wall of one end of the support cylinder shell is fixed with a positioning rod, the positioning knob is vertically screwed on the positioning rod, the axial positioning ring groove is arranged in the side region of each single kind seed groove and multiple seed groove, and the end of the positioning rod extends into the axial positioning ring groove.

[0018] As an optimization scheme, one end of the seeding roller is fixedly connected with a supporting shaft, the supporting shaft is slidingly and rotatably installed on a first supporting frame, the other end of the seeding roller is coaxially fixedly connected with a driving cylinder, the inner wall of the driving cylinder is provided with a spline groove, the driving cylinder is slidingly provided with a spline shaft matched with the spline groove, and the outer end of the spline shaft is rotatably installed on a second supporting frame.

[0019] As an optimization scheme, the second supporting frame is fixedly connected with a driving machine, and the output shaft of the driving machine is fixedly connected with the outer end of the spline shaft.

[0020] As an optimization scheme, the outer walls of the first supporting frame and the second supporting frame are respectively fixedly connected with driving plates arranged horizontally, and the driving plates are threadedly connected to lead screws arranged vertically and rotatably.

[0021] As an optimization scheme, the lead screws are fixedly arranged side by side on one side of the lead screws, guide bases are arranged on the lead screws, guide rails are vertically arranged on the guide bases, and guide grooves matched with the guide rails are arranged on the ends of the driving plates.

[0022] As an optimization scheme, end bases are fixedly connected to the upper and lower ends of the guide bases, the two ends of the lead screws are rotatably installed on the end bases, and a motor for driving the lead screws to rotate is fixedly connected to one of the end bases.

[0023] As an optimization scheme, the other end of the supporting cylinder shell is fixedly connected with a connecting frame connected with the second supporting frame.

[0024] Compared with the prior art, the present application has the following beneficial effects:

[0025] By adjusting different caliber single seeding grooves to align the seed inlet and the seed outlet, the present application realizes the adjustment and use according to different batches of corn seeds, and realizes the matching of the single seeding groove and the seed size.

[0026] By selecting single seeding grooves or multiple seeding grooves to align the seed inlet and the seed outlet, the present application realizes the selection according to the seeding condition, and realizes the positioning of the position of the current supporting cylinder shell by arranging the positioning rod and the axial positioning ring groove.

[0027] By setting the lead screw, the rotation of the lead screw drives the blanking pipe to lift, thereby adjusting the seeding height; the outer wall of the blanking pipe close to the lower end is fixed with a soil guiding plow head, which realizes soil guiding for the seeding direction by using the soil guiding plow head along with the advance of the vehicle body, so that the seeds can fall into the groove, and the seeding at different depths is met. BRIEF DESCRIPTION OF DRAWINGS

[0028] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiments or the prior art description. In all the drawings, similar elements or parts are generally identified by similar reference signs. In the drawings, the elements or parts are not necessarily drawn according to the actual proportions.

[0029] Figure 1 It is a structural schematic view of the present application;

[0030] Figure 2 It is a structural schematic view of the present application.

[0031] In the drawings: 1 - support cylinder shell; 2 - seed inlet; 3 - seed outlet; 4 - seeding roller; 5 - multiple seeding groove; 6 - single seeding groove; 7 - positioning rod; 8 - positioning knob; 9 - axial positioning ring groove; 10 - support shaft; 11 - first support frame; 12 - driving plate; 13 - lead screw; 14 - guide rail; 15 - guide seat; 16 - end seat; 17 - motor; 18 - feeding pipe; 19 - corrugated hose; 20 - blanking pipe; 21 - soil guiding plow head; 22 - second support frame; 23 - driving machine; 24 - driving cylinder; 25 - spline shaft; 26 - excess seed guiding transition groove; 27 - seed. DETAILED DESCRIPTION

[0032] The embodiments of the technical solutions of the present application will be described in detail below with reference to the drawings. The following embodiments are only used to more clearly illustrate the technical solutions of the present application, and therefore only serve as examples, but cannot limit the protection scope of the present application.

[0033] As shown in Figure 1 and Figure 2 , the feeding device for corn seeding machine, including vertical lifting support cylinder shell 1, coaxial horizontal sliding is provided with rotating setting seeding roller 4 in support cylinder shell 1, the top of support cylinder shell 1 is provided with seed inlet 2, the bottom of support cylinder shell 1 is provided with seed outlet 3 which is arranged opposite to seed inlet 2, the roller wall of seeding roller 4 is provided with single seeding groove 6 and multiple seeding groove 5 along the axial direction, single seeding groove 6 and multiple seeding groove 5 are circumferentially provided with a plurality of, and the single seeding groove and multiple seeding groove 5 are alternately aligned with seed inlet 2 and seed outlet 3 by sliding of seeding roller 4,

[0034] The single-seed sowing groove 6 and the multi-seed sowing groove 5 are smoothly connected at the groove edge behind the rotation direction of the sowing roller 4, and a residual seed guide transition groove 26 connected with the surface of the sowing roller 4 is arranged.

[0035] The lower end of the supporting cylinder shell 1 is vertically fixedly connected with a discharging pipe 20 covering the seed outlet 3.

[0036] The outer wall of the discharging pipe 20 close to the lower end is fixedly connected with a soil guide plow head 21.

[0037] The upper end of the supporting cylinder shell 1 is vertically fixedly connected with a feeding pipe 18 covering the seed inlet 2, and the upper end of the feeding pipe 18 is connected with a corrugated hose 19, which is connected with a hopper through a sowing hose and avoids the vertical lifting of the feeding pipe 18.

[0038] The single-seed sowing groove 6 is arranged in parallel along the axial direction of the sowing roller 4, and the groove opening area of the single-seed sowing groove 6 between the several turns is arranged in an increasing manner.

[0039] The single-seed sowing groove 6 and the multi-seed sowing groove 5 are arranged in parallel, and the multi-seed sowing groove 5 has a large depth and can realize multi-storage.

[0040] One end of the outer wall of the supporting cylinder shell 1 is fixedly connected with a positioning rod 7, the positioning rod 7 is vertically screw-connected with a positioning knob 8, one side region of each turn of the single-seed sowing groove 6 and the multi-seed sowing groove 5 is provided with an axial positioning ring groove 9, and the end of the positioning rod 7 extends into the axial positioning ring groove 9.

[0041] One end of the sowing roller 4 is fixedly connected with a supporting shaft 10, the supporting shaft 10 is slidingly and rotatably installed on a first supporting frame 11, the other end of the sowing roller 4 is coaxially fixedly connected with a driving cylinder 24, the inner wall of the driving cylinder 24 is provided with a spline groove, the driving cylinder 24 is slidingly provided with a spline shaft 25 engaged with the spline groove, and the outer end of the spline shaft 25 is rotatably installed on a second supporting frame 22.

[0042] The second supporting frame 22 is fixedly connected with a driving machine 23, the output shaft of the driving machine 23 is fixedly connected with the outer end of the spline shaft 25.

[0043] The outer walls of the first supporting frame 11 and the second supporting frame 22 are respectively fixedly connected with driving plates 12, and the driving plates 12 are screw-connected to vertically rotatably arranged lead screws 13.

[0044] The lead screws 13 are fixedly provided with guide seats 15 in parallel on one side, the guide seats 15 are vertically provided with guide rails 14, and the ends of the driving plates 12 are provided with guide grooves matched with the guide rails 14.

[0045] The upper and lower ends of the guide seats 15 are respectively fixedly connected with end seats 16, the two ends of the lead screws 13 are rotatably installed on the end seats 16, one of the end seats 16 is fixedly connected with a motor 17 driving the lead screw 13 to rotate, and the two motors synchronously drive the lead screw to rotate, thereby controlling the lifting height of the discharging pipe.

[0046] The other end outer wall of the supporting cylinder shell 1 is fixed with a connecting frame connected with the second supporting frame 22.

[0047] The two guide seats are fixed together on the vehicle body frame.

[0048] The working principle of the device is as follows:

[0049] The sliding seeding roller 4 is used to adjust the single-seed seeding groove 6 of different diameters to align the seed inlet 2 and the seed outlet 3, so as to adjust the use according to different batches of corn seeds 27, and realize the size matching of the single-seed seeding groove 6 and the seeds 27; the excess seed guide transition groove 26 can realize that when the single-seed seeding groove 6 or the multi-seed seeding groove 5 enters the closed surface of the supporting cylinder shell 1 during the rotation of the seeding roller 4, the excess seeds 27 are guided along the seed guide transition groove from the edge of the seed inlet 2, and the seeds 27 are prevented from being crushed, thereby improving the seeding quality.

[0050] The sliding seeding roller 4 can select the single-seed seeding groove 6 or the multi-seed seeding groove 5 to align the seed inlet 2 and the seed outlet 3, so as to select according to the seeding condition, and the positioning rod 7 and the axial positioning ring groove 9 are arranged to realize the positioning of the position of the current supporting cylinder shell 1.

[0051] The lead screw 13 is arranged to realize the rotation of the lead screw 13 to drive the unloading pipe 20 to ascend and descend, thereby realizing the adjustment of the seeding height; the soil guide plow head 21 is fixed on the outer wall close to the lower end of the unloading pipe 20, so as to realize the soil guiding for the seeding direction by using the soil guide plow head 21 when the vehicle body advances, and facilitate the falling of the seeds 27 into the groove, thereby meeting the use of different depths of seeding.

[0052] Finally, it should be pointed out that: the above embodiments are only used to illustrate the technical solutions of the utility model, and not to limit them; although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: they can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the utility model, and they should be covered in the scope of the claims and the specification of the utility model.

Claims

1. A feed device for a corn planter characterized by: The utility model provides a vertical lifting support cylinder (1) is provided with the coaxial horizontal sliding seed roller (4) of rotation arrangement in the support cylinder (1), the top of support cylinder (1) is provided with the seed inlet (2), the bottom of support cylinder (1) is provided with the seed outlet (3) opposite seed inlet (2), the roller wall of seed roller (4) is provided with single seed sowing groove (6) and multiple seed sowing groove (5) in parallel along the axial direction, single seed sowing groove (6) and multiple seed sowing groove (5) are surrounded by several and are alternately aligned seed inlet (2) and seed outlet (3) through the sliding of seed roller (4), Single seed sowing groove (6) and multiple seed sowing groove (5) are smoothly transitioned at the groove edge behind the rotation direction of seed roller (4) and are provided with surplus seed guide transition groove (26) connected with the surface of seed roller (4).

2. The feed device for a corn planter according to claim 1, characterized in that: The lower end of support cylinder (1) is vertically fixed with a discharge pipe (20) covering seed outlet (3).

3. The feed device for a corn planter of claim 2, wherein: The outer wall of discharge pipe (20) near the lower end is fixed with a soil guide plow (21).

4. The feed device for a corn planter according to claim 3, characterized in that: The upper end of support cylinder (1) is vertically fixed with a feeding pipe (18) covering seed inlet (2), and the upper end of feeding pipe (18) is connected with a corrugated hose (19).

5. The feed device for a corn planter according to claim 4, characterized in that: Single seed sowing groove (6) is provided with several turns in parallel along the axial direction of seed roller (4), and the groove area of single seed sowing groove (6) between several turns is provided in an increasing manner.

6. The feed device for a corn planter according to claim 5, characterized in that: A positioning rod (7) is fixed to the outer wall of one end of support cylinder (1), a positioning knob (8) is vertically screwed to the positioning rod (7), an axial positioning ring groove (9) is formed in the side region of each single seed sowing groove (6) and multiple seed sowing groove (5), and the end of positioning rod (7) extends into the axial positioning ring groove (9).

7. The feed device for a corn planter according to claim 6, characterized in that: One end of seed roller (4) is fixed with a support shaft (10), the support shaft (10) is slidingly and rotatably installed on a first support frame (11), the other end of seed roller (4) is coaxially fixed with a driving cylinder (24), the inner wall of driving cylinder (24) is provided with a spline groove, a spline shaft (25) is slidingly arranged in driving cylinder (24) and engaged with the spline groove, and the outer end of spline shaft (25) is rotatably installed on a second support frame (22).

8. The feed device for a corn planter according to claim 7, characterized in that: A driving machine (23) is fixed to the second support frame (22), and the output shaft of driving machine (23) is fixed to the outer end of spline shaft (25).

9. The feed device for a corn planter of claim 8, wherein: Driving plates (12) are respectively fixed horizontally to the outer walls of first support frame (11) and second support frame (22), and the driving plates (12) are screwed to a vertically rotatable lead screw (13).

10. The feed device for a corn planter of claim 9, wherein: The outer wall of the other end of support cylinder (1) is fixed with a connecting frame connected with second support frame (22) in parallel.

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