CN213316226U

CN213316226U - Crop seed winnowing device capable of improving screening quality

Info

Publication number: CN213316226U
Application number: CN202021625714.9U
Authority: CN
Inventors: 陈云
Original assignee: Jiangxi Yijiangqiu Grain And Oil Co ltd
Current assignee: Jiangxi Yijiangqiu Grain And Oil Co ltd
Priority date: 2020-08-06
Filing date: 2020-08-06
Publication date: 2021-06-01
Anticipated expiration: 2030-08-06

Abstract

The utility model relates to the technical field of crop planting accessories, in particular to a crop seed winnowing device for improving screening quality, which can screen most of impurities and reduce the impurity content in screened crop seeds; the screening box comprises a screening box, a screening fan and an impurity box, wherein a screening cavity is arranged in the screening box, the top of the screening box is communicated with a feeding hole, the top of the feeding hole is communicated with a feeding pipe, the top of the left side of the screening box is communicated with a fan port, the inside of the fan port is communicated with a fan pipeline, the screening fan is fixed in the fan pipeline, the left side of the impurity box is fixed at the top of the right side of the screening box, the inside of the impurity box is provided with the impurity cavity, the left side of the impurity box and the top of the right side of the screening box are respectively; the screening machine also comprises a base, a screening motor, a transmission shaft, a transmission wheel, a rotating shaft, a transmission belt, a screening rotary drum and a plurality of groups of screening blades.

Description

Crop seed winnowing device capable of improving screening quality

Technical Field

The utility model relates to a technical field of auxiliary device is planted to crops especially relates to an improve crops seed wind selector of screening quality.

Background

As is well known, a crop seed winnowing device is an auxiliary device for separating impurities from crop seeds by using wind power to improve the purity of the crop seeds, and is widely used in the field of crop seed treatment and storage; the existing crop seed winnowing device comprises a screening box, a screening fan and an impurity box, wherein a screening cavity is arranged inside the screening box, the top of the screening box is communicated with a feed inlet, the top of the feed inlet is communicated with a feed pipe, the top of the left side of the screening box is communicated with a fan port, the inside of the fan port is communicated with a fan pipeline, the screening fan is fixed inside the fan pipeline, the left side of the impurity box is fixed at the top of the right side of the screening box, the inside of the impurity box is provided with an impurity cavity, the left side of the impurity box and the top of the right side of the screening box are respectively communicated with two groups of impurity ports, the right side of the impurity box is communicated with a cleaning port, a cleaning cover plate is; when the existing crop seed winnowing device is used, crop seeds are added into the screening box from the top end of the feeding pipe, meanwhile, the screening fan is started, the screening fan is used for transversely blowing air to the crop seeds in the falling process of the crop seeds, impurities in the crops are blown into the impurity box through the impurity opening by wind power, then the crop seeds are discharged out of the screening box through the discharging pipe, and therefore winnowing of the crop seeds is completed; the existing crop seed winnowing device is found in use that partial impurities mixed in crop seeds can be discharged from a discharge pipe along with the crop seeds due to the fact that the falling speed of the crop seeds is high, and the screening effect of the device is poor.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a can filter most impurity, reduce the crop seed wind selector of the improvement screening quality of the impurity content in the screening back crop seed.

The utility model discloses a crop seed winnowing device for improving screening quality, including screening case, screening fan and impurity case, the screening incasement portion is provided with the screening chamber, screening roof portion intercommunication is provided with the feed inlet, feed inlet roof portion intercommunication is provided with the inlet pipe, screening roof portion intercommunication is provided with the fan mouth, fan mouth inside intercommunication is provided with the fan pipeline, the screening fan is fixed inside the fan pipeline, impurity case left side is fixed at screening roof portion, the impurity incasement portion is provided with the impurity chamber, impurity case left side and screening roof portion on the right side of the case communicate respectively and are provided with two sets of impurity mouths, impurity case right side intercommunication is provided with the clearance mouth, the clearance mouth is covered and is provided with the clearance apron, screening roof portion intercommunication is provided with the discharge gate, discharge gate bottom intercommunication is provided with the discharging; the automatic screening machine also comprises a base, a screening motor, a transmission shaft, a transmission wheel, a rotating shaft, a transmission belt, a screening rotating drum and a plurality of groups of screening blades, wherein the top of the base is connected with the bottom of the screening box, a discharge port is arranged in the middle of the base, the bottom of the discharge pipe is fixed in the discharge port, the bottom of the screening motor is fixed on the rear side of the top of the base, the screening motor is positioned on the rear side of the screening box, the front end of the transmission shaft is connected with the output end of the rear side of the screening motor, the middle part of the front side of the transmission wheel is connected with the rear end of the transmission shaft, the middle part of the rear side of the screening box is communicated with the screening port, the front end of the rotating shaft passes through the screening port and extends into the screening box, the front end of the rotating shaft is rotatably connected with the middle, the multiple groups of screening blades are uniformly fixed on the periphery of the outer side wall of the screening rotary drum.

The utility model discloses an improve crops seed wind selector of screening quality still includes the filter screen, and the middle part at the inlet tube inside is fixed to the filter screen.

The utility model discloses an improve crops seed wind selector of screening quality still selects fan and glove compartment including inferior, and screening case right side bottom intercommunication is provided with inferior select mouth, and the intercommunication is provided with inferior select pipeline in inferior select mouth, and inferior select the fan to fix in inferior select pipeline, and the glove compartment right side is fixed in screening case left side bottom, and glove compartment left side bottom and glove compartment right side communicate respectively and are provided with two sets of debris mouths, and glove compartment left side intercommunication is provided with except that miscellaneous mouthful, and the edulcoration mouth inner cup is provided with the edulcoration apron.

The utility model discloses an improve crops seed wind selector of screening quality still includes two sets of interception nets, and two sets of interception nets are fixed respectively and are located the right-hand member of the debris mouth of screening incasement and the left end of impurity mouth.

The utility model discloses an improve crops seed wind selector of screening quality still includes two sets of protecting nets, and two sets of protecting nets are fixed respectively at the right-hand member of screening pipeline and the left end of selecting the pipeline once.

The utility model discloses an improve crops seed wind selector of screening quality still includes the buffer layer, and the buffer layer cladding is on screening intracavity lateral wall uniformly.

The utility model discloses an improve crops seed wind selector of screening quality still includes four group's landing legs and four group's auto-lock gyro wheels, and the top of four group's landing legs is fixed respectively in the left front side of base bottom, right front side, left rear side and right rear side, and four group's auto-lock gyro wheels are installed respectively in the bottom of four group's landing legs.

The utility model discloses an improve crops seed wind selector of screening quality, the multiunit filters the blade and is the soft plastics material.

Compared with the prior art, the beneficial effects of the utility model are that: add the screening incasement with crop seed by the inlet pipe, then drive the transmission shaft through the screening motor and rotate, make the transmission shaft drive the drive wheel and rotate, thereby make the drive belt drive the running wheel and rotate, thereby make the axis of rotation drive the screening rotary drum and rotate at the screening case, thereby the multiunit screening blade rotates, make the screening blade disperse to it at the in-process of crop blade whereabouts, then blow to the screening incasement through the screening fan, through the dispersion of screening blade to crop seed, thereby improve the separation effect of impurity and crop seed, thereby can blow most impurity to the impurity incasement through the screening fan, thereby improve the screening quality of device.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a left side view of the present invention;

in the drawings, the reference numbers: 1. a screening box; 2. screening a fan; 3. an impurity box; 4. a feed pipe; 5. cleaning the cover plate; 7. a discharge pipe; 8. a base; 9. screening motors; 10. a drive shaft; 11. a driving wheel; 12. a rotating wheel; 13. a rotating shaft; 14. a transmission belt; 15. a screening drum; 16. screening leaves; 17. a filter screen; 18. secondary air selecting fan; 19. a glove box; 20. an impurity removal cover plate; 21. an intercepting net; 22. a protection net; 23. a shock-absorbing layer; 24. a support leg; 25. self-locking roller.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in figures 1 and 2, the crop seed winnowing device for improving screening quality of the utility model comprises a screening box 1, the screening box comprises a screening fan 2 and an impurity box 3, a screening cavity is arranged inside the screening box 1, the top of the screening box 1 is communicated with and provided with a feeding hole, the top of the feeding hole is communicated with and provided with a feeding pipe 4, the top of the left side of the screening box 1 is communicated with and provided with a fan port, the inside of the fan port is communicated with and provided with a fan pipeline, the screening fan 2 is fixed inside the fan pipeline, the left side of the impurity box 3 is fixed at the top of the right side of the screening box 1, the inside of the impurity box 3 is provided with an impurity cavity, the left side of the impurity box 3 and the top of the right side of the screening box 1 are respectively communicated with and provided with two groups of impurity ports, the right side of the impurity box; the screening machine also comprises a base 8, a screening motor 9, a transmission shaft 10, a transmission wheel 11, a rotating wheel 12, a rotating shaft 13, a transmission belt 14, a screening rotary drum 15 and a plurality of groups of screening blades 16, wherein the top of the base 8 is connected with the bottom of a screening box 1, the middle part of the base 8 is provided with a discharge opening, the bottom of a discharge pipe 7 is fixed in the discharge opening, the bottom of the screening motor 9 is fixed on the rear side of the top of the base 8, the screening motor 9 is positioned on the rear side of the screening box 1, the front end of the transmission shaft 10 is connected with the output end of the rear side of the screening motor 9, the middle part of the front side of the transmission wheel 11 is connected with the rear end of the transmission shaft 10, the middle part of the rear side of the screening box 1 is communicated with the screening opening, the front end of the rotating shaft 13 passes through the screening opening and extends into the screening box 1, the front end of, the screening rotary drum 15 is positioned in the screening box 1, the middle part of the screening rotary drum 15 is sleeved on the rotating shaft 13, and a plurality of groups of screening blades 16 are uniformly fixed on the periphery of the outer side wall of the screening rotary drum 15; crop seeds are added into a screening box through a feeding pipe, then a screening motor drives a transmission shaft to rotate, the transmission shaft drives a transmission wheel to rotate, so that the transmission belt drives a rotating wheel to rotate, the rotating shaft drives a screening rotating drum to rotate in the screening box, a plurality of groups of screening blades rotate, the screening blades disperse in the falling process of the crop blades, then air is blown into the screening box through a screening fan, the crop seeds are dispersed through the screening blades, the separation effect of impurities and the crop seeds is improved, and most of the impurities can be blown into an impurity box through the screening fan, so that the screening quality of the device is improved; the screening motor and the screening fan are directly purchased from the market, and are powered on and operated according to the attached specifications when in use, so that the details are not repeated.

The utility model discloses a crop seed winnowing device for improving screening quality, which also comprises a filter screen 17, wherein the filter screen 17 is fixed in the middle inside the feeding pipe 4; the filter screen can be used for filtering larger impurities in the crop seeds before the crop seeds enter the screening box, so that the screening quality of the device for the crop seeds is further improved.

The utility model discloses a crop seed wind selector of improvement screening quality still includes inferior selection fan 18 and debris box 19, and screening box 1 right side bottom intercommunication is provided with inferior selection mouth, and the intercommunication is provided with inferior selection pipeline in inferior selection mouth, and inferior selection fan 18 fixes in inferior selection pipeline, and debris box 19 right side fixes in screening box 1 left side bottom, and debris box 19 left side bottom and debris box 19 right side communicate respectively and are provided with two sets of debris mouths, and debris box 19 left side intercommunication is provided with the impurity removal mouth, and the impurity removal mouth inner cup is provided with impurity removal apron 20; after being screened by the screening fan, the crop seeds are driven by a plurality of groups of screening blades to enter the lower part of the screening box, then the secondary screening fan blows air to the bottom of the screening box, so that the secondary screening fan carries out secondary screening on the crop seeds, and screened impurities are blown into the sundry box, thereby improving the screening quality of the device on the crop seeds; the secondary air selecting fan is directly purchased from the market, and is powered on and operated according to the attached specifications when in use, so that the secondary air selecting fan is not described in detail herein.

The utility model discloses a crop seed winnowing device for improving screening quality, which also comprises two groups of interception nets 21, wherein the two groups of interception nets 21 are respectively fixed at the right end of a sundry port and the left end of an impurity port in the screening box 1; can make impurity get into in debris case and the impurity case through two sets of interception nets, and prevent the crops seed through the interception net, make the seed can all fall to the bottom of screening case.

The utility model discloses a crop seed winnowing device for improving screening quality, which also comprises two groups of protection nets 22, wherein the two groups of protection nets 22 are respectively fixed at the right end of the screening pipeline and the left end of the secondary screening pipeline; can avoid crops seed and impurity etc. to get into screening pipeline and time select the pipeline through two sets of protecting nets in, avoid crops seed to equal screening fan and time to select the fan and bump, and cause certain degree's destruction to it.

The utility model discloses a crop seed winnowing device for improving screening quality, which also comprises a damping layer 23, wherein the damping layer 23 is uniformly coated on the side wall in the screening cavity; can reduce the impact of screening intracavity lateral wall to crops when crops seed bumps with screening intracavity lateral wall through the buffer layer to protect the safety of crops seed, improve the security of device.

The crop seed winnowing device for improving screening quality of the utility model also comprises four groups of supporting legs 24 and four groups of self-locking rollers 25, wherein the top ends of the four groups of supporting legs 24 are respectively fixed at the left front side, the right front side, the left rear side and the right rear side of the bottom of the base 8, and the four groups of self-locking rollers 25 are respectively arranged at the bottoms of the four groups of supporting legs 24; the device can be conveniently moved and fixed through four groups of supporting legs and four groups of self-locking rollers, so that the flexibility and the convenience of the device in use are improved.

The utility model relates to a crop seed winnowing device for improving screening quality, the plurality of groups of screening blades 16 are made of soft plastic materials; the screening blade is made of soft plastics, so that the impact force of the screening blade on crop seeds during rotation can be reduced, the crop seeds are prevented from being damaged in the screening process, and the safety of the device is improved.

The utility model discloses an improve crops seed wind selector of screening quality, it is when using, through screening motor transfer screening blade at screening incasement rotation, then add the crops seed into the inlet pipe, then use screening fan and inferior selection fan to blow to the screening incasement, blow impurity box and debris incasement with the impurity in the crops seed, accomplish the selection by winnowing operation to the crops seed.

The utility model discloses an improve crops seed wind selector of screening quality, above the mounting means, the connected mode or the mode that sets up of all parts are common mechanical system to concrete structure, model and the coefficient index of all its parts are its from taking the technique, as long as can reach all can implement of its beneficial effect, so no longer give unnecessary details here.

The crop seed winnowing device for improving screening quality of the utility model, without being described to the contrary, the directional words contained in the terms, such as "up, down, left, right, front, back, inside and outside" and the like, only represent the direction of the term in the normal use state, or are common names understood by those skilled in the art, and should not be considered as the limitation of the term. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only. In the present invention, the terms "first", "second" and "third" do not denote any particular quantity or order, but are merely used to distinguish names.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. A crop seed winnowing device for improving screening quality comprises a screening box (1), a screening fan (2) and an impurity box (3), wherein a screening cavity is arranged inside the screening box (1), the top of the screening box (1) is communicated with a feed inlet, the top of the feed inlet is communicated with a feed pipe (4), the top of the left side of the screening box (1) is communicated with a fan port, the inside of the fan port is communicated with a fan pipeline, the screening fan (2) is fixed inside the fan pipeline, the left side of the impurity box (3) is fixed on the top of the right side of the screening box (1), the impurity cavity is arranged inside the impurity box (3), the left side of the impurity box (3) and the top of the right side of the screening box (1) are respectively communicated with two groups of impurity ports, the right side of the impurity box (3) is communicated with a cleaning port, a cleaning cover plate (5) is arranged on the, the bottom of the discharge port is communicated with a discharge pipe (7), and the device is characterized by comprising a base (8), a screening motor (9), a transmission shaft (10), a transmission wheel (11), a rotating wheel (12), a rotating shaft (13), a transmission belt (14), a screening rotary drum (15) and a plurality of groups of screening blades (16), wherein the top of the base (8) is connected with the bottom of a screening box (1), the middle part of the base (8) is provided with a discharge port, the bottom of the discharge pipe (7) is fixed in the discharge port, the bottom of the screening motor (9) is fixed at the rear side of the top of the base (8), the screening motor (9) is positioned at the rear side of the screening box (1), the front end of the transmission shaft (10) is connected with the output end at the rear side of the screening motor (9), the middle part at the front side of the transmission wheel (11) is connected with the rear end of the transmission shaft (10), the middle part, the front side middle part of axis of rotation (13) front end and screening case (1) inside wall rotates to be connected, it is connected with axis of rotation (13) rear end to rotate wheel (12) front side middle part, the top and the bottom of drive belt (14) are established respectively and are rotated wheel (12) top and drive wheel (11) bottom, screening rotary drum (15) are located inside screening case (1), the middle part suit of screening rotary drum (15) is on axis of rotation (13), multiunit screening blade (16) are fixed uniformly around screening rotary drum (15) lateral wall.

2. The crop seed winnowing device for improving screening quality as claimed in claim 1, further comprising a filter screen (17), wherein the filter screen (17) is fixed in the middle inside the feeding pipe (4).

3. The crop seed winnowing device for improving screening quality according to claim 2, further comprising a secondary sorting fan (18) and a sundry box (19), wherein a secondary sorting port is formed in the bottom of the right side of the screening box (1) in a communicating manner, a secondary sorting pipeline is formed in the secondary sorting port in a communicating manner, the secondary sorting fan (18) is fixed in the secondary sorting pipeline, the right side of the sundry box (19) is fixed at the bottom of the left side of the screening box (1), two groups of sundry ports are respectively formed in the bottom of the left side of the sundry box (19) and the right side of the sundry box (19) in a communicating manner, a sundry removing port is formed in the left side of the sundry box (19) in a communicating.

4. The crop seed winnowing device for improving screening quality according to claim 3, further comprising two groups of intercepting nets (21), wherein the two groups of intercepting nets (21) are respectively fixed at the right end of the impurity port and the left end of the impurity port in the screening box (1).

5. The crop seed winnowing device for improving screening quality as claimed in claim 4, further comprising two sets of protection nets (22), wherein the two sets of protection nets (22) are respectively fixed at the right end of the screening pipe and the left end of the secondary screening pipe.

6. The crop seed winnowing device for improving screening quality of claim 5, further comprising a damping layer (23), wherein the damping layer (23) is uniformly coated on the inner side wall of the screening chamber.

7. The crop seed winnowing device for improving screening quality of claim 6, further comprising four sets of legs (24) and four sets of self-locking rollers (25), wherein the top ends of the four sets of legs (24) are respectively fixed on the left front side, the right front side, the left rear side and the right rear side of the bottom of the base (8), and the four sets of self-locking rollers (25) are respectively arranged on the bottoms of the four sets of legs (24).

8. The crop seed winnowing device for improving screening quality of claim 7, wherein the plurality of sets of screening blades (16) are made of soft plastic material.