CN213818941U - Bract and seed grain separation of maize combine, collection device - Google Patents

Abstract

The utility model discloses a bract and seed grain separation and collection device of a corn combine harvester. The corn husk and kernel separating device comprises a separating roller, a separating concave plate and a roller cover, wherein the separating roller is arranged below a peeling machine and comprises a plurality of parallel toothed bars, the toothed bars are provided with a plurality of spike teeth at intervals along the length direction of the toothed bars, the separating concave plate is arranged below the separating roller corresponding to the separating roller, the separating concave plate is of an arc cylindrical structure provided with a plurality of sieve pores, the inner wall of the separating concave plate is provided with a plurality of first grass guide plates, the roller cover is arranged on one side above the separating roller, and the inner wall of the roller cover is provided with a plurality of third grass guide plates; seed grain collection device includes the seed grain case, unloads grain seed grain screw feeder and rotationally sets up in the seed grain incasement, and the seed grain case corresponds to the discharge end of unloading grain seed grain screw feeder is provided with the discharge opening. The utility model can separate bracts and seeds thoroughly and can unload grains quickly.

Description

Bract and seed grain separation of maize combine, collection device

Technical Field

The utility model relates to a bract and seed grain separation and collection device of a corn combine harvester.

Background

At present, the adaptability of the peeling type corn combine harvester is wide, and most corn areas in northeast, Huang-Huai-Hai, northwest and the like of China still depend on the peeling type corn combine harvester for harvesting. The peeling type corn combine harvester inevitably has a phenomenon of kernel knocking in the process of peeling the corn by the peeling machine, and particularly has a more prominent phenomenon for the corn in a very late ripening period of the harvesting period. In the existing peeling type corn combine harvester, after corn is peeled, bracts and seeds knocked off by a peeling roller fall into a separating mechanism below together, the separating mechanism generally adopts a screw conveyor blade or a vibrating screen for separation, but the main function of the screw conveyor blade is conveying, the bracts mixed with the seeds are pushed out by the screw conveyor blade together, the bracts and the seeds cannot be separated, the separation is not thorough, most of the seeds leak into the ground, and the seed loss is serious; because the bracts and the seeds are mixed and clamped together, the bracts and the seeds can not be thoroughly separated by adopting the vibrating screen, and the problem of serious seed loss also exists. In addition, in the existing peeling type corn combine harvester, the grain unloading mode of the grain collected by the grain box adopts manual unloading, and the manual operation of using a shovel or using hands to scrape the grains into a woven bag wastes labor and time, has long grain unloading time and low efficiency, and influences the harvesting.

Disclosure of Invention

To the above-mentioned defect that exists among the prior art, the utility model provides a can thoroughly separate maize bract and seed grain, to the seed grain of collection can unload bract and seed grain separation, collection device of maize combine fast.

The technical proposal adopted by the utility model is that: a bract and seed separation and collection device of a corn combine adopts the technical scheme that: a bract and seed separating and collecting device of a corn combine comprises a bract and seed separating device and a seed collecting device, wherein the bract and seed separating device comprises a rotatable separating roller, a separating concave plate and a roller cover, the separating roller comprises a roller shaft, a plurality of breadth plates which are arranged along the axial direction of the roller shaft at intervals and are fixedly connected with the roller shaft, and a plurality of parallel arranged toothed bars, the toothed bars are uniformly arranged along the circumferential direction of the breadth plates and are fixedly connected with the breadth plates, a plurality of spike teeth are arranged on the toothed bars along the length direction at intervals, the separating concave plate is arranged below the separating roller corresponding to the separating roller, the separating concave plate is of an arc cylindrical structure, a plurality of sieve meshes are arranged on the surface of the separating concave plate, a plurality of first grass guide plates which are protruded inwards and obliquely arranged are arranged along the axial direction of the separating concave plate, and a gap is reserved between the separating concave plate and the separating roller, the roller cover is arranged on one side above the separation roller and connected with the separation concave plate, and a plurality of third grass guide plates which protrude inwards and are obliquely arranged are arranged on the inner wall of the roller cover; seed grain collection device includes seed grain slide, seed grain case, unloads grain seed grain screw feeder, with unload the screw feeder actuating mechanism that grain seed grain screw feeder is connected, the seed grain case corresponds the setting and is in the below of separation concave plate, the setting of seed grain slide is in the top both sides of seed grain case, it rotationally sets up to unload grain seed grain screw feeder seed grain incasement, the seed grain case correspond to the discharge end of unloading grain seed grain screw feeder is provided with the discharge opening.

The utility model discloses the during operation, corn ear is fallen into by bract and seed grain that comes of peeling off the utility model discloses a separation cylinder rotates the in-process at the separation cylinder around separation cylinder rotary motion, under the effect of centrifugal force, and the bract is separated with seed grain, and seed grain passes through the sieve mesh on the concave plate and falls into the seed grain incasement, and the bract is under the effect of separation cylinder and grass guide plate, discharges at the other end of separation cylinder. After the full seed grain is collected to the seed grain case, start screw feeder actuating mechanism, the drive unloads grain seed grain screw feeder and rotates, unloads grain seed grain screw feeder and rotates the discharge opening that the in-process promoted the seed grain in the seed grain case and unload out. The utility model discloses in, separation cylinder adopts spike tooth structure, is favorable to making bract and seed grain fully separate, and spike tooth is difficult for damaging the seed grain, leads the grass board and sets up the third of cylinder cover inner wall at the first grass board of leading of separation notch board inner wall through setting up, rotates the in-process at separation cylinder, can make bract and seed grain spill according to helical motion in the space, is favorable to making bract and seed grain thoroughly separate. The seed grain of seed grain case collection unloads the grain through unloading grain seed grain screw feeder, labour saving and time saving, it is efficient.

Furthermore, in order to ensure the complete separation of the bracts and the seeds, the first grass guide plate arranged in the separation concave plate and the third grass guide plate arranged in the roller cover are both spirally arranged and have consistent rotating directions.

Further, in order to fully separate bracts from grains, the toothed bars on the separating roller comprise a first toothed bar and a second toothed bar, the first toothed bar and the second toothed bar are arranged at intervals, and the spike teeth on the first toothed bar and the second toothed bar are arranged in a staggered mode.

Further, the number of the first rack bar and the number of the second rack bar are both two.

Furthermore, in order to prevent seed grains from being damaged, the top ends of the spike teeth are in arc shapes.

The utility model has the advantages that: in the utility model, the separating roller adopts the spike-tooth structure, which is favorable for fully separating bracts from seeds, and the spike-tooth is not easy to damage the seeds, which is favorable for reducing the seed damage rate; through the first grass guiding plate arranged on the inner wall of the separation concave plate and the third grass guiding plate arranged on the inner wall of the roller cover, in the rotating process of the separation roller, the bracts and the seeds can be thrown away in space according to spiral motion, so that the bracts and the seeds can be completely separated, and the loss of the seeds can be greatly reduced. The utility model discloses a separation cylinder adopts the cross axle spike tooth design, and corn ear is fallen into separation cylinder along axial distribution with seed grain by the bract of peeling off, and separation time is short, and separation distance is little, when reaching the discharge gate, does not basically smuggle the loss secretly, presss from both sides the seed grain in the bract and is nearly zero, and in the axial separation process, there is strong helical motion to rub with the hands and wipe, makes bract and seed grain separate. The utility model discloses the seed grain of collection unloads the grain through unloading grain seed grain screw feeder, unloads the grain to the seed grain high efficiency of collection fast, labour saving and time saving, efficient, the harvester operating efficiency is high. The utility model discloses the maize bract that has overcome current maize picker's separating mechanism completely exists can not be separated with seed grain, and the seed grain loss is big, the defect that operating efficiency is low, to improving the high-efficient operation of maize picker, reduce loss, performance improvement, has very high practical value.

Drawings

FIG. 1 is a schematic structural diagram of the present invention in an embodiment;

FIG. 2 is a schematic view of FIG. 1 taken in the direction A;

FIG. 3 is a schematic structural view of a separating drum according to the present invention;

FIG. 4 is a schematic view B-B of FIG. 3;

FIG. 5 is a schematic structural view of a separation concave plate according to the present invention;

FIG. 6 is a side view of FIG. 5;

fig. 7 is a schematic structural view of the drum cover according to the present invention;

FIG. 8 is a side view of FIG. 7;

in the figure, 1, a peeling corn machine, 2, a first straw guide plate, 3, a peeling machine, 4, a separation roller, 41, a roller shaft, 42, a first toothed bar, 43, a second toothed bar, 44, a width disc, 45, a width disc hub, 46, spike teeth, 5, a peeling roller, 6, a separation concave plate, 61, a sieve hole, 7, a seed sliding plate, 8, a frame of the peeling machine, 9, a seed box, 10, a frame, 11, a roller mounting frame, 12, a third straw guide plate, 13, a roller cover, 14, a motor driving motor, 15, a grain unloading auger, 16, a discharge opening, 17 and a baffle.

Detailed Description

The invention will now be further described by way of non-limiting examples with reference to the accompanying drawings:

the following description will be made of a peeling-type corn combine as an example.

As shown in the attached drawings, the device for separating and collecting the bract and the kernel of the corn combine comprises a bract and kernel separating device and a kernel collecting device, which are arranged on a frame 10 of a peeling type corn combine and are correspondingly positioned below a discharge port of a peeling machine 3 of a peeling type corn machine 1.

The bract and kernel separating device comprises a separating roller 4, a separating concave plate 6 and a roller cover 13, wherein the separating roller 4 is correspondingly arranged below a discharge port of a peeling machine 3 of the peeling type corn machine 1, namely below a peeling roller 6 of the peeling machine 3. The separating drum 4 comprises a drum shaft 41, a plurality of breadth disks 44 which are arranged along the axial direction of the drum shaft 41 at intervals and fixedly connected with the drum shaft 41, and a plurality of parallel-arranged toothed bars, wherein the breadth disks 44 are fixedly connected with the drum shaft 41 through breadth disk hubs 45. The rack bar is uniformly arranged along the circumferential direction of the breadth disc 44 and fixedly connected with the breadth disc 44, a plurality of spike teeth 46 facing outwards are arranged on the rack bar at intervals along the length direction of the rack bar, and the spike teeth 46 are fixedly connected with the rack bar. To avoid the spikes damaging the kernel, the tips of the spikes 46 are preferably rounded. In order to ensure the separating effect of the bracts and the kernels, in the embodiment, the toothed bars on the separating roller 4 comprise a first toothed bar 42 and a second toothed bar 43, the first toothed bar 42 and the second toothed bar 43 are arranged at intervals, and the spikes 46 on the first toothed bar 42 and the second toothed bar 43 are arranged in a staggered mode. The rack bar of the present invention may be a plurality of, preferably, the first rack bar 42 and the second rack bar 43 are two, and are uniformly arranged along the circumference of the width disc 44. The separating drum 4 is rotatably connected to the frame 8 of the husker of the husking type corn husker 1, wherein one end of the drum shaft 41 is mounted on the drum mounting bracket 11 through a bearing, and the other end thereof is mounted on the frame 8 of the husker through a bearing. The separation concave plate 6 is arranged below the separation roller 4, and the separation concave plate 6 is connected with a frame 8 of a peeling machine of the peeling corn machine 1. The separation concave plate 6 is of an arc cylindrical structure, the opening of the separation concave plate 6 is located below the separation roller 4 upwards, a plurality of sieve holes 61 are formed in the surface of the separation concave plate 6, and a plurality of first grass guide plates 2 which protrude inwards and are obliquely arranged are arranged on the inner wall of the separation concave plate 6 along the axial direction of the separation concave plate. In this embodiment, 4 first grass guiding plates 2 are welded to two sides of the inner wall of the separation concave plate 6. A gap is reserved between the separation concave plate 6 and the separation roller 4. The drum cover 13 is provided on the upper side of the separation drum 4 at the outlet of the bracts. The roller cover 13 is of an arc-shaped structure, a baffle 17 is arranged on the side surface of the roller cover 13, the roller cover 13 is installed on the separation concave plate 6, and a plurality of third grass guide plates 12 which protrude inwards and are obliquely arranged are arranged on the inner wall of the roller cover 13. In this embodiment, two third grass guide plates 12 are welded to the inner wall of the drum cover 13. Seed grain collection device includes seed grain slide 7, seed grain case 9, unloads grain seed grain screw feeder 15, with unload the screw feeder actuating mechanism that grain seed grain screw feeder 15 is connected. Kernel box 9 is fixed to be set up on the frame 10 and correspond the setting and be in the below of separation concave plate 6, kernel slide 7 sets up the top both sides of kernel box 9, the upper end of kernel slide 7 with 8 fixed connection of frame of the peeler of type of peeling corn machine 1. Unload grain seed grain screw 15 and rotationally set up through the bearing in the seed grain case 9, seed grain case 9 corresponds to unload the discharge end of grain seed grain screw 15 and be provided with discharge opening 16. The screw conveyer driving mechanism connected with the grain unloading seed conveyer 15 is a motor driving motor 14, and the grain unloading seed conveyer 15 can be driven to rotate through the motor driving motor 14.

In order to ensure the separation effect of the bracts and the grains, preferably, the first grass guide plate 2 arranged in the separation concave plate 6 and the third grass guide plate 12 arranged in the roller cover 13 are both spirally arranged and have consistent rotation directions.

The utility model discloses the during operation, the peeler 3 of type maize machine 1 of skinning skins the maize, and the bract that the corn ear was peeled off by the peeler falls into the separation cylinder 4 with the seed grain that knocks off, rotates 4 in-process at the separation cylinder around 4 rotary motion of separation cylinder, under the effect of centrifugal force, the bract is separated with the seed grain, and the seed grain falls into seed grain case 9 through sieve mesh 61 on the separation concave plate 6 in, the bract is under the effect of separation cylinder 4 and grass guide plate, discharges at the other end of separation cylinder 4. After full seed grain is collected to seed grain case 9, start screw feeder actuating mechanism, the drive unloads grain seed grain screw feeder 15 and rotates, unloads out by discharge opening 16 with the seed grain in the seed grain case 9 through unloading grain seed grain screw feeder 15, realizes unloading the grain to the high efficiency of the seed grain that separates out.

The utility model discloses can make corn bract and seed grain thoroughly separate, separation efficiency is high, and the damage of corn seed grain is little, and the loss is few. The seed grain that the seed grain case was collected unloads the grain through unloading grain seed grain screw feeder, labour saving and time saving, and is efficient, and the harvester operating efficiency is high.

The above embodiments are merely illustrative of the application of the present invention to the peeling-type corn combine, but the present invention is not limited thereto. The utility model can be applied to peeling corn combine harvester as well as other corn combine harvesters such as ear-stalk harvest type combine harvester.

Other parts in this embodiment are the prior art, and are not described herein again.

Claims (5)

1. The utility model provides a corn combine's bract and seed grain separation, collection device which characterized by: the corn and kernel separating device comprises a corn and kernel separating device and a kernel collecting device, wherein the corn and kernel separating device comprises a rotatable separating roller (4), a separating concave plate (6) and a roller cover (13), the separating roller (4) comprises a roller shaft (41), a plurality of breadth plates (44) which are axially arranged along the roller shaft (41) at intervals and fixedly connected with the roller shaft (41), and a plurality of parallel-arranged toothed bars, the toothed bars are uniformly arranged along the circumferential direction of the breadth plates (44) and fixedly connected with the breadth plates (44), a plurality of spike teeth (46) are arranged on the toothed bars along the length direction of the toothed bars at intervals, the separating concave plate (6) is arranged below the separating roller (4) correspondingly, the separating concave plate (6) is of an arc cylindrical structure, a plurality of sieve holes (61) are arranged on the surface of the separating concave plate, a plurality of first grass guide plates which protrude and are obliquely arranged are arranged along the axial direction of the separating concave plate (6), a gap is reserved between the separation concave plate (6) and the separation roller (4), the roller cover (13) is arranged on one side above the separation roller (4), the roller cover (13) is connected with the separation concave plate (6), and the inner wall of the roller cover (13) is provided with a plurality of third grass guide plates (12) which protrude inwards and are obliquely arranged; seed grain collection device includes seed grain slide (7), seed grain case (9), unloads grain seed grain screw feeder (15), with unload the screw feeder actuating mechanism that grain seed grain screw feeder (15) are connected, seed grain case (9) correspond the setting and are in the below of separation concave plate (6), seed grain slide (7) set up the top both sides of seed grain case (9), it rotationally sets up to unload grain seed grain screw feeder (15) in seed grain case (9), seed grain case (9) correspond to the discharge end of unloading grain seed grain screw feeder (15) is provided with discharge opening (16).

2. The device for separating and collecting the bract and the kernel of the corn combine harvester as claimed in claim 1, which is characterized in that: the first grass guide plate (2) arranged in the separation concave plate (6) and the third grass guide plate (12) arranged in the roller cover (13) are both spirally arranged and have consistent rotating directions.

3. The bract and kernel separating and collecting device of the corn combine harvester according to claim 1 or 2, which is characterized in that: the toothed bars on the separating drum (4) comprise a first toothed bar (42) and a second toothed bar (43), the first toothed bar (42) and the second toothed bar (43) are arranged at intervals, and the spikes on the first toothed bar (42) and the second toothed bar (43) are arranged in a staggered manner.

4. The device for separating and collecting the bract and the kernel of the corn combine harvester as claimed in claim 3, which is characterized in that: the number of the first rack bar (42) and the number of the second rack bar (43) are both two.

5. The device for separating and collecting the bract and the kernel of the corn combine harvester as claimed in claim 3, which is characterized in that: the top ends of the nail teeth (46) are in arc shapes.

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