CN211989703U

CN211989703U - Corn seed classificator

Info

Publication number: CN211989703U
Application number: CN202020491073.6U
Authority: CN
Inventors: 宋鹏举; 魏炳刚; 孟淑婷; 丁晓霞; 杨梅; 史利霞; 马召俭; 刘子阳; 杜俊勇
Original assignee: Henan Shunxin Dazhong Seed Industry Co ltd
Current assignee: Henan Shunxin Dazhong Seed Industry Co ltd
Priority date: 2020-04-07
Filing date: 2020-04-07
Publication date: 2020-11-24
Anticipated expiration: 2030-04-07

Abstract

The utility model relates to the technical field of corn breeding, and discloses a corn seed classificator, which comprises a frame, wherein a first screening mechanism and a second screening mechanism are arranged on the frame, the first screening mechanism comprises a shell, an outer cylindrical screen, an inner cylindrical screen and a rotating shaft, the shell is fixedly provided with a feed hopper, the bottom of the shell is provided with a blanking port, the inner wall of the outer cylindrical screen is uniformly provided with an outer partition plate, the outer cylindrical screen is connected with the inner cylindrical screen, the inner cylindrical screen is provided with an inner screen hole, the inner wall of the inner cylindrical screen is provided with an inner partition plate, the inner cylindrical screen is connected with the rotating shaft, the right side of the outer cylindrical screen and the right side of the inner cylindrical screen are both provided with an opening, and the right end of the rotating shaft; the second screening mechanism comprises a specific gravity screening plate, and the specific gravity screening plate is connected to the rack through a vibration mechanism. The utility model discloses simple structure, area is little, can carry out the high efficiency to corn seed and get choice, and the edulcoration rate is high, and screening effect is good, and is easy and simple to handle.

Description

Corn seed classificator

Technical Field

The utility model relates to a maize breeding technical field especially relates to a maize seed preparator.

Background

Corn is the main agricultural crop of growing, and the seed quality directly influences the whole cycle of crops production and final output, quality, and the seed is reaped and the drying process, can mix some crop stem, leaf, flat shell, weed seed and immature, the seed that disease damage takes place to milden and rot, influences the quality of seed, therefore, maize is before sowing in order to guarantee survival rate, output and the quality of maize, generally need carry out the choice to the maize seed to select the seed that the quality is high. The existing corn seed selection device has the advantages of complex structure, longer machine body, large occupied area, shorter screen surface, low screening efficiency and precision and unsatisfactory screening effect.

SUMMERY OF THE UTILITY MODEL

In order to solve the prior technical problem, the utility model provides a corn seed classificator.

In order to achieve the above object, the utility model provides a following technical scheme: a corn seed classificator comprises a frame, wherein a first screening mechanism and a second screening mechanism are arranged on the frame, the first screening mechanism comprises a shell, an outer cylindrical sieve, an inner cylindrical sieve and a rotating shaft which are coaxial and sequentially arranged from outside to inside, the shell is horizontally fixed on the frame, a feed hopper is fixedly arranged on the left side of the shell, a discharge port of the feed hopper is communicated with the inside of the inner cylindrical sieve, a blanking port is arranged at the bottom of the shell, outer sieve pores are arranged on the outer cylindrical sieve, spiral outer partition plates are uniformly arranged on the inner wall of the outer cylindrical sieve, an outer spiral conveying groove conveyed from left to right is formed between the adjacent outer partition plates, the outer cylindrical sieve is connected with the inner cylindrical sieve through a first connecting rod radially arranged, inner sieve pores are arranged on the inner cylindrical sieve, the diameter of the inner sieve pores is larger than that of the outer sieve pores, and spiral inner partition plates are uniformly arranged on the inner wall of the inner, an inner spiral conveying groove for conveying from left to right is formed between the adjacent inner partition plates, the inner cylindrical screen is connected with the rotating shaft through a second connecting rod which is radially arranged, the right side of the outer cylindrical screen and the right sides of the inner cylindrical screen are both arranged in an open manner, the right end of the rotating shaft is connected with a rotating motor in a transmission manner, and the rotating motor is fixed on the rack; the second screening mechanism comprises a specific gravity screening plate, the specific gravity screening plate is arranged below the shell and is obliquely arranged along the front and back directions, and the specific gravity screening plate is connected to the rack through a vibration mechanism.

Preferably, a dust hood is arranged above the shell, the dust hood is connected with a dust suction pipe, and the dust suction pipe is connected with a dust filter bag and a dust suction fan.

Preferably, the vibration mechanism comprises an eccentric weight, a vibration motor, a bottom plate, a first connecting sleeve, a first sleeve inner rod, a first connecting spring, a second connecting sleeve, a second sleeve inner rod and a second connecting spring, the eccentric weight is rotatably connected to the specific weight screening plate, the vibration motor is fixed on the specific weight screening plate and is in transmission connection with the eccentric weight, the bottom plate is slidably arranged on the rack, the first connecting sleeve is horizontally connected to the rack, one end of the first sleeve inner rod is connected with the bottom plate, the other end of the first sleeve inner rod extends into the first connecting sleeve, the connecting spring is sleeved outside the first connecting sleeve and the first sleeve inner rod, two ends of the first connecting spring are respectively abutted against the rack and the bottom plate, the second connecting sleeve is fixed on the bottom plate, the top of the second sleeve inner rod is connected to the lower surface of the specific weight screening plate, the bottom of the second connecting sleeve inner rod extends into the second connecting sleeve, and the second connecting spring, and two ends of the second connecting spring are respectively abutted with the bottom plate and the specific gravity screening plate.

Preferably, the outer sieve holes comprise an outer sieve hole I, an outer sieve hole II and an outer sieve hole III which are sequentially arranged from left to right and gradually reduced in diameter, a baffle plate I is arranged in the shell corresponding to the boundary of the outer sieve hole I, the outer sieve hole II and the outer sieve hole III, and a baffle plate II is arranged on the specific gravity screening plate relative to the baffle plate I.

The utility model discloses simple structure, area is little, can carry out the high efficiency to corn seed and get choice, and the edulcoration rate is high, and screening effect is good, and is easy and simple to handle.

Drawings

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

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

In the figure: the device comprises a frame 1, a shell 2, an outer cylindrical sieve 3, an inner cylindrical sieve 4, a rotating shaft 5, a feed hopper 6, a blanking port 7, an outer partition plate 8, an inner partition plate 9, a rotating motor 10, a specific gravity screening plate 11, a dust suction cover 12, a dust suction pipe 13, an eccentric heavy hammer 14, a baffle plate II 15, a bottom plate 16, a connecting sleeve I17, a connecting spring I18, a connecting sleeve II 19, a connecting spring II 20 and a baffle plate I21.

Detailed Description

The embodiments of the present invention will be further explained with reference to the drawings.

Examples

Referring to fig. 1-2, a corn seed classificator comprises a frame 11, wherein a first screening mechanism and a second screening mechanism are arranged on the frame 1, and the first screening mechanism comprises a shell 2, an outer cylindrical screen 3, an inner cylindrical screen 4 and a rotating shaft 5 which are coaxial and sequentially arranged from outside to inside. The shell 2 is horizontally fixed on a frame 1, a feed hopper 6 is fixedly arranged on the left side of the shell 2, a discharge port of the feed hopper 6 is communicated with the inside of an inner cylindrical screen 4, a blanking port 7 is arranged at the bottom of the shell 2, outer screen holes are arranged on the outer cylindrical screen 3, spiral outer partition plates 8 are uniformly arranged on the inner wall of the outer cylindrical screen 3, outer spiral conveying grooves conveyed from left to right are formed between the adjacent outer partition plates 8, the outer cylindrical screen 3 is connected with the inner cylindrical screen 4 through a first connecting rod arranged radially, inner screen holes are arranged on the inner cylindrical screen 4, the diameter of each inner screen hole is larger than that of each outer screen hole, spiral inner partition plates 9 are uniformly arranged on the inner wall of the inner cylindrical screen 4, inner spiral conveying grooves conveyed from left to right are formed between the adjacent inner partition plates 9, the inner cylindrical screen 4 is connected with a rotating shaft 5 through a second connecting rod arranged radially, the right side of the outer cylindrical screen 3 and the right sides of, the right end of the rotating shaft 5 is connected with a rotating motor 10 in a transmission mode, and the rotating motor 10 is fixed on the rack 1. The second screening mechanism comprises a specific gravity screening plate 11, the specific gravity screening plate 11 is arranged below the shell 2 and is obliquely arranged along the front and back directions, and the specific gravity screening plate 11 is connected to the rack 1 through a vibration mechanism. In this embodiment, the outer cylindrical screen 3 and the inner cylindrical screen 4 are both connected to the rotating shaft 5 and can rotate relative to the housing 1, and both ends of the rotating shaft 5 are both rotatably connected to the housing 1.

A dust hood 12 is arranged above the shell 2, the dust hood 12 is connected with a dust suction pipe 13, and the dust suction pipe 13 is connected with a dust filter bag and a dust suction fan (the dust filter bag and the dust suction fan are both shown in the figure, and the connection mode of other dust suction pipes is the prior art and is not described in detail again).

The vibrating mechanism comprises an eccentric weight 14, a vibrating motor (not shown in the figure), a bottom plate 16, a first connecting sleeve 17, a first sleeve inner rod, a first connecting spring 18, a second connecting sleeve 19, a second sleeve inner rod and a second connecting spring 20, wherein the eccentric weight 14 is rotatably connected to a specific weight screening plate 11, the vibrating motor is fixed on the specific weight screening plate 11 and is in transmission connection with the eccentric weight 14, the bottom plate 16 is arranged on a rack 1 in a sliding manner, the first connecting sleeve 17 is horizontally connected to the rack 1, one end of the first sleeve inner rod is connected with the bottom plate 16, the other end of the first sleeve inner rod extends into the first connecting sleeve 17, the first connecting spring 18 is sleeved outside the first connecting sleeve 17 and the first sleeve inner rod, two ends of the first connecting spring are respectively abutted against the rack 1 and the bottom plate 16, the second connecting sleeve 19 is fixed on the bottom plate 16, and the top of the second sleeve inner rod is connected to the, the bottom of the connecting sleeve II 19 extends into the connecting sleeve II, the connecting spring II 20 is sleeved outside the connecting sleeve II 19 and the rod II in the sleeve, and two ends of the connecting spring II 20 are respectively abutted against the bottom plate 16 and the specific gravity screening plate 11.

Outer sieve mesh includes that set gradually and diameter is crescent outer sieve mesh one, outer sieve mesh two, outer sieve mesh three from a left side to the right side, the demarcation department that corresponds outer sieve mesh one, outer sieve mesh two, outer sieve mesh three in the casing 2 is equipped with baffle one 21, the position for baffle one 21 on the ratio heavy screening board 11 is equipped with baffle two 15. In this embodiment, the first baffle 21 is annular.

During the use, during maize seed got into inner cylinder sieve 4 from feeder hopper 6, rotating electrical machines 10 drove pivot 5 rotatory, and inner cylinder sieve 4 and outer cylinder sieve 3 are rotatory along with pivot 5, sieve maize seed. The corn seeds in the inner cylindrical screen 4 firstly enter the outer cylindrical screen 3 through the inner screen holes. When corn seeds are screened in the outer cylindrical screen 3, the outer cylindrical screen 3 is provided with an outer screen hole I, an outer screen hole II and an outer screen hole III, the diameters of which are gradually increased, so that the corn seeds are screened into three groups according to the sizes of the particle diameters, and the three groups of corn seeds with different particle diameters enter the shell 2 and fall on the specific gravity screening plate 11 from the blanking port to be screened again.

Because the first baffle 21 and the second baffle 15 are correspondingly arranged on the shell 2 and the specific gravity screening plate 11, seeds with three groups of particle sizes can be isolated and not mixed with each other. The inner cylindrical screen 4 screens out the large impurities in the corn seeds, and the large impurities are remained in the inner cylindrical screen 4 and are discharged from the right side opening under the conveying action of the inner spiral conveying groove. The outer cylindrical screen 3 screens out small impurities in the corn seeds, and the small impurities are remained in the outer cylindrical screen 3 and are discharged from the upper opening at the right side under the action of the outer spiral conveying groove. The specific gravity screening plate 11 vibrates under the action of the vibration mechanism, corn seeds falling on the specific gravity screening plate 11 are separated due to the difference of specific gravity, impurities with small specific gravity are distributed on the surface layer, flow to the lower end and are discharged from the lower end of the specific gravity screening plate 11, seeds with large specific gravity and high quality are distributed on the bottom layer and flow to the high end and are discharged from the upper end of the specific gravity screening plate 11, and therefore defective seeds such as mildewing and suffocating in the corn seeds are screened out.

The utility model discloses in, the setting of inner cylinder sieve 4 and outer cylinder sieve 3 makes the maize seed fall into than heavy screening board 11 before effectively getting rid of most impurity in the material, has alleviateed the screening load of specific gravity screening board 11 greatly, has strengthened the specific gravity screening effect, has improved screening efficiency. Meanwhile, the first screening mechanism and the second screening mechanism are arranged in an up-and-down overlapping mode, so that the length of the machine body can be greatly reduced, the occupied area is reduced, and the requirement on the use space is reduced.

During screening, dust and light impurities in the corn seeds are pumped away from the dust hood 12 by the dust collection fan, and meanwhile, dust raising in the corn seed selection process can be avoided, and the working environment is improved.

The foregoing description of the embodiments of the invention has been presented for purposes of illustration and not limitation, and is not intended to be exhaustive or limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the illustrated embodiments.

Claims

1. The utility model provides a maize seed preparator, includes the frame, its characterized in that: the screening device is characterized in that a first screening mechanism and a second screening mechanism are arranged on the frame, the first screening mechanism comprises a shell, an outer cylindrical screen, an inner cylindrical screen and a rotating shaft which are coaxial and are sequentially arranged from outside to inside, the shell is horizontally fixed on the frame, a feed hopper is fixedly arranged on the left side of the shell, a discharge port of the feed hopper is communicated with the inside of the inner cylindrical screen, a blanking port is arranged at the bottom of the shell, an outer screen hole is arranged on the outer cylindrical screen, spiral outer partition plates are uniformly arranged on the inner wall of the outer cylindrical screen, an outer spiral conveying groove conveyed from left to right is formed between the adjacent outer partition plates, the outer cylindrical screen is connected with the inner cylindrical screen through a first connecting rod radially arranged, an inner screen hole is arranged on the inner cylindrical screen, the diameter of the inner screen hole is larger than that of the outer screen hole, a spiral inner partition plate is uniformly arranged on the inner wall of the inner cylindrical screen, and an inner, the inner cylindrical sieve is connected with the rotating shaft through a second connecting rod arranged in the radial direction, the right side of the outer cylindrical sieve and the right sides of the inner cylindrical sieve are both arranged in an open manner, the right end of the rotating shaft is connected with a rotating motor in a transmission manner, and the rotating motor is fixed on the rack; the second screening mechanism comprises a specific gravity screening plate, the specific gravity screening plate is arranged below the shell and is obliquely arranged along the front and back directions, and the specific gravity screening plate is connected to the rack through a vibration mechanism.

2. The corn seed concentrator of claim 1, wherein: the dust hood is arranged above the shell and connected with a dust suction pipe, and the dust suction pipe is connected with a dust filter bag and a dust suction fan.

3. The corn seed concentrator of claim 1, wherein: the vibration mechanism comprises an eccentric weight, a vibration motor, a bottom plate, a first connecting sleeve, a second sleeve inner rod, a first connecting spring, a second connecting sleeve, a second sleeve inner rod and a second connecting spring, wherein the eccentric weight is rotatably connected to the specific weight screening plate, the vibration motor is fixed on the specific weight screening plate and is in transmission connection with the eccentric weight, the bottom plate is arranged on the rack in a sliding manner, the first connecting sleeve is horizontally connected to the rack, one end of the first sleeve inner rod is connected with the bottom plate, the other end of the first sleeve inner rod extends into the first connecting sleeve, the connecting springs are sleeved on the outer sides of the first connecting sleeve and the first sleeve inner rod, two ends of the first connecting spring are respectively abutted against the rack and the bottom plate, the second connecting sleeve inner rod is fixed on the bottom plate, the top of the second sleeve inner rod is connected to the lower surface of the specific weight screening plate, the bottom of the second connecting sleeve inner rod extends, and two ends of the second connecting spring are respectively abutted with the bottom plate and the specific gravity screening plate.

4. The corn seed concentrator of claim 1, wherein: the outer sieve mesh comprises an outer sieve mesh I, an outer sieve mesh II and an outer sieve mesh III which are sequentially arranged from left to right and gradually reduced in diameter, a baffle I is arranged at a boundary position corresponding to the outer sieve mesh I, the outer sieve mesh II and the outer sieve mesh III in the shell, and a baffle II is arranged on the specific gravity screening plate relative to the baffle I.