CN220387068U - Screening installation is used in maize breeding - Google Patents

Abstract

The utility model discloses screening equipment for corn breeding, which comprises a base frame, a screening driving device, a screening barrel, a feed inlet, a discharge outlet, a funnel and a limiting device, wherein the screening driving device is arranged on the base frame, the screening barrel is arranged on the screening driving device, the feed inlet and the discharge outlet are arranged on two sides of the screening barrel, the funnel is arranged on the base frame, and the limiting device is arranged on the base frame and is positioned at a parallel position of the discharge outlet. The utility model belongs to the technical field of corn seed selection, and particularly relates to screening equipment for corn breeding, which is convenient for adding and discharging corn seeds and has good screening effect.

Description

Screening installation is used in maize breeding

Technical Field

The utility model belongs to the technical field of corn seed selection, and particularly relates to screening equipment for corn breeding.

Background

Corn is a common crop in life, and in order to prevent some bad seeds and some dust and corns appearing in corn seeds, when planting corn, need to screen corn seeds to can screen out debris in the corn and the corn of comparatively small granule, improve the quality of corn seeds, for example, publication (bulletin) number: CN215141853U discloses a maize breeding sieving mechanism, this kind of maize breeding sieving mechanism, the maize breeding gets into the inside of a sieve section of thick bamboo through the feeder hopper, through being the sieve section of thick bamboo that the slope set up, be convenient for the ejection of compact, the output of motor runs through the right-hand member face of framework and extends to the inboard and the pivot fixed connection of framework, the starter motor, the motor drives pivot and sieve section of thick bamboo and rotates at uniform velocity, make maize breeding and the screen cloth circulation contact of a sieve section of thick bamboo, maize breeding that is less than the screen cloth aperture is through the sieve mesh screening out, the maize breeding that is greater than the screen cloth aperture is discharged from the right-hand member of a sieve section of thick bamboo, accomplish the screening operation, the emergence of screen cloth blocking phenomenon has been avoided, effectively improved the quality of device maize breeding screening, the maize breeding through the screening gets into and connects the hopper to carry out next step and handle, cooperation between each part has improved maize breeding's screening efficiency greatly, however there is the shortcoming: corn seeds are inconvenient to add when being added into the screen drum, are in an opening state between the feed hopper and the screen drum, fall out easily when screening corn, and are not easy to discharge because corn is not inclined in the screen drum when discharging, and therefore, the corn screening machine needs to be improved.

Disclosure of Invention

In order to solve the problems, the utility model provides screening equipment for corn breeding, which is convenient for adding and discharging corn seeds and has good screening effect.

In order to realize the functions, the technical scheme adopted by the utility model is as follows: the screening equipment for corn breeding comprises a base frame, a screening driving device, a screening barrel, a feed inlet, a discharge outlet, a funnel and a limiting device, wherein the screening driving device is arranged on the base frame, the screening barrel is arranged on the screening driving device, the feed inlet and the discharge outlet are arranged on two sides of the screening barrel, the funnel is arranged on the base frame, and the limiting device is arranged on the base frame and is positioned at a parallel position of the discharge outlet; the screening driving device comprises a sliding groove, a sliding block, a motor, a rotating shaft, eccentric wheels and springs, wherein the sliding groove is arranged in the base frame, the sliding block is slidably arranged in the sliding groove, the motor is arranged on the sliding block, the rotating shaft is arranged at the output end of the motor and is connected with the screening barrel, the eccentric wheels are arranged on the rotating shaft, the springs are arranged on two sides of the sliding block and are arranged in the sliding groove, the springs are rotated through the rotating shaft, rotation of the screening barrel is achieved, so that corn seeds in the screening barrel can be filtered and screened, and meanwhile the rotating shaft can drive the screening barrel to vibrate up and down due to the action of the eccentric wheels in the rotating process, so that the screening effect is improved.

Further, stop device includes cylinder, electro-magnet and armature, the cylinder is located on the bed frame, the output of cylinder is located to the electro-magnet, on the lateral wall of discharge gate was located to the armature, through the flexible of cylinder, can realize that the electro-magnet blocks the discharge gate, and the electro-magnet adsorbs the armature, guarantees the position accuracy of discharge gate or feed inlet to add the maize seed or discharge the maize seed.

Preferably, be equipped with the fan housing on the bed frame, be equipped with the fan in the fan housing, the fan housing aims at the sieve barrel setting, through the wind flow that the fan blows out, can blow to the sieve barrel, avoids impurity in the maize seed to block up the sieve barrel.

Preferably, a plurality of groups of scrapers are arranged on the inner circumference array of the sieve barrel.

Preferably, the feed inlet and the discharge outlet are both provided with valves.

Preferably, the sieve barrel is arranged in a sphere shape.

Preferably, the motor is an adjustable speed motor.

The utility model adopts the structure to obtain the beneficial effects as follows: according to the screening equipment for corn breeding, provided by the utility model, the screening driving device is arranged to rotate and vibrate the screening barrel, so that corn seeds in the screening barrel are screened, the position of the screening barrel can be limited and fixed through the limiting device, the feeding port and the funnel are aligned to facilitate feeding, and the screening barrel is in a sphere shape, so that the corn seeds can be quickly discharged from the discharging port during discharging.

Drawings

FIG. 1 is a schematic diagram of the whole structure of a screening apparatus for corn breeding according to the present utility model;

fig. 2 is a side view of the screen basket of fig. 1.

Wherein, 1, a base frame, 2, a screening driving device, 3, a screening barrel, 4, a feed inlet, 5, a discharge outlet, 6, a funnel, 7, a limiting device, 8, a chute, 9 and a slide block, 10, a motor, 11, a rotating shaft, 12, an eccentric wheel, 13, a spring, 14, a cylinder, 15, an electromagnet, 16, an armature, 17, a fan housing, 18, a fan, 19, a scraping plate, 20 and a valve.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The present utility model will be described in further detail with reference to the accompanying drawings.

1-2, the screening equipment for corn breeding comprises a base frame 1, a screening driving device 2, a screening barrel 3, a feed inlet 4, a discharge outlet 5, a funnel 6 and a limiting device 7, wherein the screening driving device 2 is arranged on the base frame 1, the screening barrel 3 is arranged on the screening driving device 2, the feed inlet 4 and the discharge outlet 5 are arranged on two sides of the screening barrel 3, the funnel 6 is arranged on the base frame 1, and the limiting device 7 is arranged on the base frame 1 and is positioned at a parallel position of the discharge outlet 5; the screening driving device 2 comprises a sliding groove 8, a sliding block 9, a motor 10, a rotating shaft 11, eccentric wheels 12 and springs 13, wherein the sliding groove 8 is positioned in the base frame 1, the sliding block 9 is slidably arranged in the sliding groove 8, the motor 10 is arranged on the sliding block 9, the rotating shaft 11 is arranged at the output end of the motor 10 and is connected with the screening barrel 3, the eccentric wheels 12 are arranged on the rotating shaft 11, the springs 13 are arranged on two sides of the sliding block 9 and are positioned in the sliding groove 8, the rotation of the screening barrel 3 is realized through the rotation of the rotating shaft 11, so that impurity filtering screening of corn seeds in the screening barrel 3 can be realized, and meanwhile, the rotating shaft 11 can drive the screening barrel 3 to vibrate up and down due to the action of the eccentric wheels 12 in the rotating process, so that the screening effect is improved.

The limiting device 7 comprises a cylinder 14, an electromagnet 15 and an armature 16, wherein the cylinder 14 is arranged on the base frame 1, the electromagnet 15 is arranged at the output end of the cylinder 14, the armature 16 is arranged on the side wall of the discharge hole 5, the electromagnet 15 can block the discharge hole 5 through the extension and retraction of the cylinder 14, the electromagnet 15 adsorbs the armature 16, and the position of the discharge hole 5 or the feed inlet 4 is ensured to be accurate so as to facilitate the addition of corn seeds or the discharge of corn seeds.

The base frame 1 is provided with the fan cover 17, the fan 18 is arranged in the fan cover 17, the fan cover 17 is aligned to the sieve barrel 3, and air flow blown out by the fan 18 can blow air to the sieve barrel 3, so that impurities in corn seeds are prevented from blocking the sieve barrel 3.

The inner circumference of the screen drum 3 is provided with a plurality of groups of scrapers 19.

The feed inlet 4 and the discharge outlet 5 are both provided with valves 20.

The screen barrel 3 is arranged in a sphere shape.

When the corn screening machine is specifically used, corn seeds are firstly added into the hopper 6, the hopper 6 is aligned with the feed inlet 4, the corn seeds enter the screening barrel 3 through the feed inlet 4, after the corn seeds are added, the valve 20 on the feed inlet 4 is closed, the motor 10 is started, the fan 18 is opened, the motor 10 drives the rotating shaft 11 to rotate to drive the screening barrel 3, the sliding block 9 vibrates up and down in the sliding groove 8 due to the action of the eccentric wheel 12, the screening barrel 3 vibrates up and down, the corn seeds can be screened by the screening barrel 3, the scraping plate 19 in the screening barrel 3 is beneficial to rolling corn, the fan 18 blows to the screening barrel 3, sundries are prevented from blocking the screening barrel 3, the rotating speed of the motor 10 is reduced, the air cylinder 14 is started, the electromagnet 15 is enabled to stretch, the electromagnet 15 is in an electrified state until the electromagnet 15 stops rotating the discharging hole 5, the motor 10 is stopped, the electromagnet 15 attracts the discharging hole 5 to the lowest part of the screening barrel 3, the valve 20 on the discharging hole 5 is opened, the screened corn seeds can be discharged, and after the discharging is finished, the electromagnet 14 is discharged, the electromagnet is prevented from being retracted again, and the screening barrel 3 does not influence the rotation of the air cylinder 3.

The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.

Claims (7)

1. Screening equipment for corn breeding, its characterized in that: the screening device is arranged on the base frame, the screening barrel is arranged on the screening device, the feeding port and the discharging port are arranged on two sides of the screening barrel, the funnel is arranged on the base frame, and the limiting device is arranged on the base frame and is positioned at a parallel position of the discharging port; the screening driving device comprises a sliding groove, a sliding block, a motor, a rotating shaft, eccentric wheels and springs, wherein the sliding groove is arranged in the base frame, the sliding block is slidably arranged in the sliding groove, the motor is arranged on the sliding block, the rotating shaft is arranged at the output end of the motor and is connected with the screening barrel, the eccentric wheels are arranged on the rotating shaft, and the springs are arranged on two sides of the sliding block and are arranged in the sliding groove.

2. A screening apparatus for corn breeding according to claim 1, wherein: the limiting device comprises a cylinder, an electromagnet and an armature, wherein the cylinder is arranged on the base frame, the electromagnet is arranged at the output end of the cylinder, and the armature is arranged on the side wall of the discharge hole.

3. A screening apparatus for corn breeding according to claim 2, wherein: the base frame is provided with a fan cover, a fan is arranged in the fan cover, and the fan cover is aligned to the sieve barrel.

4. A screening apparatus for corn breeding according to claim 3, wherein: the inner circumference array of the sieve barrel is provided with a plurality of groups of scrapers.

5. The screening apparatus for corn breeding according to claim 4, wherein: and the feed inlet and the discharge outlet are both provided with valves.

6. A screening apparatus for corn breeding according to claim 5, wherein: the sieve barrel is arranged in a sphere shape.

7. The screening apparatus for corn breeding according to claim 6, wherein: the motor is a speed-adjustable motor.