CN211463489U - Screening device for agricultural planting seeds - Google Patents

Abstract

The utility model discloses an agricultural planting seed screening device, which comprises two supporting transverse plates, supporting columns are fixed on the lower surfaces of the supporting transverse plates, motors are fixedly assembled on the supporting columns on the left side and the right side, the left ends and the right ends of the two supporting transverse plates are rotatably assembled with rollers, the motors are fixed with the rollers through the rear output ends of gear boxes on the motors, conveyor belts are sleeved on the outer sides of the two rollers, guide rollers are rotatably assembled between the two vertical plates on the supporting transverse plates, a secondary screening box is fixedly assembled between the two supporting transverse plates, the surface of the conveyor belt is positioned in the secondary screening box, the supporting transverse plates are fixedly assembled with a primary seed screening device through supporting rods, the device carries out screening twice, the primary screening is carried out for removing impurities such as small stones and plant branches and leaves in seeds, the secondary screening is carried out for removing insufficiently plum, and intermediate procedures are reduced, so that the quality of the screened seeds is improved.

Description

Screening device for agricultural planting seeds

Technical Field

The utility model relates to a seed sieving mechanism technical field specifically is an agricultural planting seed sieving mechanism.

Background

In agricultural planting, the screening of seed is especially important, good seed is the root place of healthy production of plant and high yield, people utilize mesh screening or the buoyancy of utilizing water to select separately usually in seed screening process, present seed sieving mechanism adopts these two kinds of modes mostly, but present seed sieving mechanism does not enough well in the use of two combinations, the intermediate program is more, still there is impurity or not plump seed after making the seed screening, influence the healthy growth and the output of plant, in order to solve above-mentioned problem, we have provided an agricultural planting seed sieving mechanism.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an agricultural planting seed sieving mechanism to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a screening device for agricultural planting seeds comprises two supporting transverse plates which are distributed from front to back, supporting columns are fixedly assembled on the lower surfaces of the supporting transverse plates, motors are fixedly assembled on the supporting columns on the left side and the right side, gear boxes with input ends fixed with motor rotating shafts are fixedly assembled on the motors, rollers are rotatably assembled at the left end and the right end of each supporting transverse plate, the rear output ends of the gear boxes are fixed with the rollers, a conveying belt is sleeved on the outer sides of the two rollers, two vertical plates are fixedly assembled on the right sides of the outer side surfaces of the supporting transverse plates, guide rollers are rotatably assembled between the corresponding vertical plates in the front and back direction and extrude the guide rollers on the upper surfaces of the conveying belt, a secondary screening box is fixedly assembled between the two supporting transverse plates, a concave part of the surface of the conveying belt extruded by the guide rollers is positioned in the secondary screening box, the upper end of the supporting rod is fixedly provided with a seed primary screening device.

Preferably, preliminary sieving mechanism includes fixed mounting in the box of upper end of the support bar, the feed inlet has been seted up at the upper surface middle part of box, the discharge gate has been seted up at the lower surface middle part of box, the left surface middle part of box runs through there is the crank, and the crank passes through bearing and box rotation assembly, the right-hand member of crank is fixed to be equipped with the charging barrel, and the right flank middle part of charging barrel rotates the assembly through pivot and box inner chamber right wall, the upper surface middle part of charging barrel is seted up the first through-hole that corresponds with feed inlet and discharge gate, the inner chamber middle part of charging barrel transversely is fixed to be equipped with filtering baffle, and filtering baffle separates the charging barrel inner chamber for two upper and lower cavities, the second through-hole has been seted up at the lower surface middle part of charging barrel, and it.

Preferably, the filtering partition plate comprises a plate body fixedly assembled in an inner cavity of the charging barrel, filtering through holes are uniformly formed in the upper surface of the plate body, and guiding bent pipes communicated with the filtering through holes in a one-to-one correspondence mode are uniformly and fixedly assembled on the lower surface of the plate body.

Preferably, the left side wall of the box body is longitudinally and fixedly provided with a marking strip, and the marking strip is parallel to the front side wall and the rear side wall of the box body.

Compared with the prior art, the beneficial effects of the utility model are that: this scheme has designed a farming seed sieving mechanism, and this device utilizes the cooperation of preliminary sieving mechanism and secondary screening box, carries out twice screening, and first screening is for getting rid of impurity such as the middle and small stone in the seed, plant branches and leaves, and the screening of second time is for getting rid of not full seed, and both carry out effective combination through the conveyer belt, reduce intermediate process, improve work efficiency for the quality improvement of screening back seed.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic sectional view of the structure of the preliminary screening device of the present invention;

fig. 3 is a schematic partial sectional view of the middle filtering baffle structure of the present invention.

In the figure: the automatic screening machine comprises a support column 1, a support transverse plate 2, a motor 3, a gear box 4, a roller wheel 5, a conveyor belt 6, a vertical plate 7, a guide roller 8, a secondary screening box 9, a support rod 10, a primary screening device 11, a 111 box body, a feed inlet 112, a discharge outlet 113, a crank 114, a charging barrel 115, a first through hole 116, a filtering partition plate 117, a plate body 1171, a filtering through hole 1172, a guide elbow 1173, a second through hole 118 and a marking strip 119.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, fig. 2 and fig. 3, the present invention provides a technical solution: a screening device for agricultural planting seeds comprises two supporting transverse plates 2 which are distributed front and back, supporting columns 1 are fixedly assembled on the lower surfaces of the supporting transverse plates 2, motors 3 are fixedly assembled on the supporting columns 1 on the left side and the right side, gear boxes 4 with input ends fixed with rotating shafts of the motors 3 are fixedly assembled on the motors 3, rollers 5 are rotatably assembled at the left ends and the right ends of the two supporting transverse plates 2, the rear output ends of the gear boxes 4 are fixed with the rollers 5, a conveying belt 6 is sleeved outside the two rollers 5, two vertical plates 7 are fixedly assembled on the right sides of the outer side surfaces of the supporting transverse plates 2, guide rollers 8 are rotatably assembled between the corresponding vertical plates 7 in front and back, the guide rollers 8 extrude the upper surface of the conveying belt 6, a secondary screening box 9 is fixedly assembled between the two supporting transverse plates 2, the sunken parts of the surfaces of the conveying belt 6 extruded by the guide rollers 8 are positioned in the secondary screening, the upper end of the support rod 10 is fixedly provided with a seed primary screening device 11.

Motor 3 connects external power source, cut off through the on-off control circuit, 3 backs of working of motor drive running roller 5 through gear box 4 and rotate, 5 synchronous rotations of gyro wheel of both sides, drive conveyer belt on seven and carry out clockwise conveying, during the use, pour the seed of treating the screening into preliminary sieving mechanism 11 and carry out the first screening, the seed after the screening falls on 6 surfaces of conveyer belt and conveys right, second screening box 9 in the data send process, carry out the secondary screening, finally break away from the drive belt through the transmission, place the container that holds the seed after the screening on the bottom surface of drive belt right-hand member, can receive the seed after the screening.

Second screening box 9 is the plastics box body, and inside holds the pure water, after the seed through preliminary screening was taken to the drive belt gets into box body pure water, not enough full, the seed that has the wormhole can float on the surface of water, needs the manual work to utilize the string bag to drag for the unqualified seed of suspension this moment, need in time supply when the pure water liquid level is lower in the box body, utilizes the buoyancy of water to select not full, the seed that has the wormhole.

The primary screening device 11 comprises a box body 111 fixedly assembled at the upper end of the supporting rod 10, a feeding hole 112 is formed in the middle of the upper surface of the box body 111, a discharging hole 113 is formed in the middle of the lower surface of the box body 111, a crank 114 penetrates through the middle of the left side surface of the box body 111, the crank 114 is rotatably assembled with the box body 111 through a bearing, a charging barrel 115 is fixedly assembled at the right end of the crank 114, the middle of the right side surface of the charging barrel 115 is rotatably assembled with the right wall of an inner cavity of the box body 111 through a rotating shaft, a first through hole 116 corresponding to the feeding hole 112 and the discharging hole 113 is formed in the middle of the upper surface of the charging barrel 115, a filtering partition plate 117 is transversely and fixedly assembled in the middle of the inner cavity of the charging barrel 115, the inner cavity of the charging barrel 115 is divided into an upper.

As shown in FIG. 2, in this case, in the initial state of the apparatus, seeds to be sorted are put in from the feed inlet 112, the seeds enter the upper chamber of the charging barrel 115 from the first through hole 116, the crank 114 is manually rotated back and forth with a small amplitude, the charging barrel 115 is driven by the crank 114 to swing back and forth in the box body 111, the seeds with the sorting are screened by sliding back and forth on the filtering partition 117, the small stones, plant branches and leaves and smaller seeds leak out of the filtering mesh plate 117 and enter the lower chamber of the charging barrel 115, the screening time is 3-5 minutes, after the screening is finished, the crank 114 is rotated 90 degrees, the rotated crank 114 is parallel to the marking strip 119, the seeds screened on the upper side of the charging barrel 115 leak out of the second through hole 116 and fall on the conveyor belt 6 along the discharge hole 113, and most of the impurities taken out by the screening on the lower layer of the charging barrel 115 are blocked by the filtering partition 117 and cannot enter the upper chamber of the charging barrel 115, realize the preliminary screening of seed, after screening work, the device resets and is initial state, and the hand stretches into and extracts the rubber buffer on the second through-hole 118 in discharge gate 113, discharges the impurity of depositing in the charging barrel 115 lower chamber, then fills in the rubber buffer second through-hole 118 so that use next time.

The filtering partition 117 comprises a plate 1171 fixedly assembled in the inner cavity of the charging barrel 115, filtering through holes 1172 are uniformly formed in the upper surface of the plate 1171, and guiding bent pipes 1173 communicated with the filtering through holes 1172 in a one-to-one correspondence manner are uniformly and fixedly assembled on the lower surface of the plate 1171.

When the seeds slide on the plate body 1171, the small stones, branches and leaves and smaller seeds fall from the filtering through holes 1172, the size of the filtering through holes 1172 is smaller than the standard size of the screened seeds, as shown in fig. 3, the guiding bent pipe 1173 is a bent pipe with the lower end inclined to one side, and the function is that after the plate body 1171 is turned over up and down, impurities are blocked by the guiding bent pipe 1173 and cannot directly enter the filtering through holes 1172, so that most of the impurities are isolated on the plate body 1171.

The left side wall of box 111 is vertical fixed to be equipped with sign strip 119, and sign strip 119 is parallel with box 111 front and back lateral wall, and the effect of sign strip 119 is for the reference thing of rotation crank 114 angle for when 90 degrees rotation crank 114, improve turned angle's precision, reduce the device operation degree of difficulty.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (4)

1. The utility model provides an agricultural planting seed sieving mechanism which characterized in that: the automatic conveying device comprises two supporting transverse plates (2) which are distributed from front to back, wherein supporting columns (1) are fixedly assembled on the lower surfaces of the supporting transverse plates (2), motors (3) are fixedly assembled on the supporting columns (1) on the left side and the right side, gear boxes (4) with input ends fixed with rotating shafts of the motors (3) are fixedly assembled on the motors (3), rollers (5) are rotatably assembled at the left end and the right end of each supporting transverse plate (2), rear side output ends of the gear boxes (4) are fixed with the rollers (5), a conveying belt (6) is sleeved on the outer sides of the two rollers (5), two vertical plates (7) are fixedly assembled on the right side of the outer side surface of each supporting transverse plate (2), guide rollers (8) are rotatably assembled between the corresponding vertical plates (7) in the front-back direction, the guide rollers (8) extrude the upper surfaces of the conveying belt (6), and a secondary screening box (, and conveyer belt (6) surface is located secondary screening box (9) by guide roll (8) extruded depressed part, both sides fixed mounting has bracing piece (10) around the left end of support diaphragm (2), the upper end fixed mounting of bracing piece (10) has preliminary sieving mechanism of seed (11).

2. The agricultural plantation seed screening apparatus of claim 1, wherein: the preliminary screening device (11) comprises a box body (111) fixedly assembled at the upper end of a support rod (10), a feeding hole (112) is formed in the middle of the upper surface of the box body (111), a discharging hole (113) is formed in the middle of the lower surface of the box body (111), a crank (114) penetrates through the middle of the left side surface of the box body (111), the crank (114) is rotatably assembled with the box body (111) through a bearing, a charging barrel (115) is fixedly assembled at the right end of the crank (114), the middle of the right side surface of the charging barrel (115) is rotatably assembled with the right wall of an inner cavity of the box body (111) through a rotating shaft, a first through hole (116) corresponding to the feeding hole (112) and the discharging hole (113) is formed in the middle of the upper surface of the charging barrel (115), a filtering partition plate (117) is transversely and fixedly assembled in the middle of the inner cavity of the charging barrel (115), and the filtering, a second through hole (118) is formed in the middle of the lower surface of the charging barrel (115), and a rubber plug is inserted into the second through hole (118).

3. An agricultural seed screening apparatus according to claim 2, wherein: the filtering partition plate (117) comprises a plate body (1171) fixedly assembled in an inner cavity of the charging barrel (115), filtering through holes (1172) are uniformly formed in the upper surface of the plate body (1171), and guide bent pipes (1173) communicated with the filtering through holes (1172) in a one-to-one correspondence mode are uniformly and fixedly assembled on the lower surface of the plate body (1171).

4. An agricultural seed screening apparatus according to claim 2, wherein: the left side wall of the box body (111) is longitudinally and fixedly provided with a marking strip (119), and the marking strip (119) is parallel to the front side wall and the rear side wall of the box body (111).

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