CN216368979U

CN216368979U - Screening device of wheat seed fine-selection equipment

Info

Publication number: CN216368979U
Application number: CN202122984816.0U
Authority: CN
Inventors: 曲俊旺; 冀国华; 柳国军
Original assignee: Hebei Wangfeng Seed Industry Co ltd
Current assignee: Hebei Wangfeng Seed Industry Co ltd
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-04-26
Anticipated expiration: 2031-11-30

Abstract

The utility model relates to the technical field of wheat seed screening, and provides a screening device of wheat seed selection equipment, which comprises a screening box, wherein the middle part of the upper end surface of the screening box is fixedly connected with a feed hopper, an inclined plate is fixedly connected to the top of an inner cavity of the screening box and positioned below the feed hopper, a screening device is arranged in the inner cavity of the screening box and positioned below the inclined plate, a dust removal device is arranged in the screening box, a vibration device is arranged at the lower part of the inner cavity of the screening box, and a dust collecting tank is slidably connected to the bottom of the inner cavity of the screening box. Through above-mentioned technical scheme, solved traditional wheat seed sieving mechanism and conveniently got rid of inside impurity and dust, problem that screening efficiency is low simultaneously.

Description

Screening device of wheat seed fine-selection equipment

Technical Field

The utility model relates to the technical field of wheat seed screening, in particular to a screening device of wheat seed fine-selection equipment.

Background

The wheat seeds are semi-winter, medium-early maturing, and the maturation period is 1-2 days earlier than that of Yumai No. 49 and New mai No. 18. The seedlings are upright, the leaves are wide and rusty, the leaf color is dark green, the tillering force is moderate, the seedlings can start up and stem-pulling early in spring, the growth is rapid, the two poles are fast to differentiate, the heading is early, and the heading rate is general. The plant height is about 77 cm, the plant type is compact, the flag leaves are wide and curled, the spike layer is neat, and the growth phase is clear. The grains are rectangular, long awn, white shell, white grains, semi-cutin of the grains, general plumpness and medium black embryo rate. The average ear number per mu is 36.6 ten thousand ears, the ear number is 37.6 grains, and the weight of thousand grains is 39.5 g. Strong seedling stage and moderate cold resistance. Is sensitive to low-temperature drought in spring. The stalk has good elasticity and good lodging resistance. High-temperature resistance in later period, early maturity and better maturity phase.

When needs were planted wheat seed, at first need filter wheat seed, and the inside more large granule impurity that exists of seed to and the dust, and present seed is selected to be that the manual work most utilizes the screen cloth to carry out two steps of screening, screens out large granule impurity and dust respectively, and this kind of screening mode efficiency is slower, for this reason, we propose the sieving mechanism of the choice equipment of wheat seed.

SUMMERY OF THE UTILITY MODEL

The utility model provides a screening device of wheat seed selection equipment, which solves the problems that internal impurities and dust cannot be removed conveniently by a traditional wheat seed screening device, and the screening efficiency is low.

The technical scheme of the utility model is as follows: the utility model provides a sieving mechanism of choice equipment of wheat seed, includes the screening case, screening case up end middle part fixedly connected with feeder hopper, screening incasement chamber top just is located feeder hopper below fixedly connected with swash plate, screening incasement chamber just is located the swash plate below and installs screening plant, screening case internally mounted has dust collector, screening incasement chamber lower part is installed vibrating device, screening incasement chamber bottom sliding connection has the dust collecting vat.

Preferentially, the screening device comprises a supporting block, a rectangular sliding groove, a convex block, a reset spring, a connecting plate, a screening plate, a pulley, a driving motor, a disc, a connecting rod, a discharge hole, a U-shaped plate and a recovery groove, wherein the driving motor is fixedly connected to one side of the screening box, the disc is fixedly connected to an output shaft end of the driving motor, the connecting rod is rotatably connected to the upper end face of the disc through a pin shaft, and one end of the connecting rod is rotatably connected to the screening plate through a lug matching pin shaft.

Preferentially, the two sides of the cavity wall in the screening box are fixedly connected with supporting blocks respectively, the two ends of the upper end face of each supporting block are provided with a rectangular sliding groove respectively, the lower end face of each supporting block is located on one side of the rectangular sliding groove and fixedly connected with a lug, one side of the lug is fixedly connected with a return spring, one end of the return spring is fixedly connected with a connecting plate, and the upper end face of the connecting plate is fixedly connected with a screening plate.

Preferentially, the middle part of the upper end face of the supporting block is rotatably connected with a pulley, the outer surface of the pulley is in contact with the screening plate, one side of the screening box is provided with a discharge hole, one side of the screening box is fixedly connected with a U-shaped plate below the discharge hole, and the inner cavity of the U-shaped plate is slidably connected with a recovery tank.

Preferentially, dust collector admits air fan, first guard box, air discharge fan, second guard box, first dust board, second dust board and dust collecting tank by biax motor, dwang, first air inlet fan, second and constitute, screening case one side fixedly connected with biax motor, biax motor output shaft end fixedly connected with dwang respectively, dwang one end is connected with first air inlet fan through sprocket group cooperation chain rotation, first air inlet fan one end is connected with the second air inlet fan through sprocket group cooperation chain rotation, the dwang other end is connected with the air discharge fan through sprocket group cooperation chain rotation.

Preferentially, the two sides of the screening box are fixedly connected with a first protection box and a second protection box respectively, an inner cavity of the first protection box is connected with a first air inlet fan and a second air inlet fan respectively in a rotating mode, one side of an inner cavity of the second protection box is connected with an exhaust fan in a rotating mode, the other side of the inner cavity of the second protection box is fixedly connected with a first dust baffle and a second dust baffle respectively, and one end of the lower end face of the second protection box is connected with a dust collecting groove through a sliding groove matched with a sliding block in a sliding mode.

Preferentially, the vibrating device comprises a vibrating motor, an eccentric wheel, a rectangular plate, a lifting disc, a lifting rod, an extension spring, an inclined block and a filter screen, wherein the vibrating motor is fixedly connected to one side of the filter screen box, and the eccentric wheel is fixedly connected to an output shaft of the vibrating motor.

Preferentially, screening case inner chamber lower part fixedly connected with rectangular plate, rectangular plate middle part sliding connection has the lifter, terminal surface fixedly connected with lift disc under the lifter, lift disc up end just is located fixedly connected with extension spring between the terminal surface under the rectangular plate, lifter up end fixedly connected with sloping block, screening case inner chamber sliding connection has the filter screen, terminal surface in contact with each other under sloping block and the filter screen, terminal surface in contact with each other under eccentric wheel and the lift disc.

The working principle and the beneficial effects of the utility model are as follows:

in the utility model, firstly, wheat seeds are put into an inner cavity of a screening box from a feed hopper, when the wheat seeds enter the inner cavity of the screening box, the wheat seeds slide to one end of the upper end surface of a screening plate along an inclined plate to be stacked, then a driving motor is started, the driving motor drives a disc to rotate, when the disc rotates, a connecting rod and the screening plate are driven to reciprocate, when the screening plate slides leftwards and rightwards in the inner cavity of the screening box, the screening plate can flatten the upper stacked wheat seeds, when flattened wheat seeds and fine dust slowly fall from a filtering hole on the screening plate, then the larger dust or sundries are blocked at the upper end surface of the screening plate, when the screening plate moves leftwards and rightwards, the larger impurities can be driven to slide out from one end of a discharge hole, when the larger impurities slide out from one end of the discharge hole, will drop the inner chamber of the recovery tank, thus facilitate the later stage staff to take the recovery tank out from the lower end surface of the U-shaped plate and process in unison, because the lower end surface of the screening plate is fitted with the pulley, thus can reduce the friction force when the screening plate slides on the upper end surface of the supporting shoe through the pulley, after the wheat seed drops from the screening plate, will start the biaxial electrical machinery at this moment, will drive the dwang to rotate when the biaxial electrical machinery works, will drive the first air inlet fan to rotate through the chain wheel group coordination chain when the dwang rotates, will drive the second air inlet fan to rotate through the chain wheel group coordination chain when the first air inlet fan rotates, can blow the floating air in wheat casing and air that drops to one end of the second guard box when the first air inlet fan rotates and the second air inlet fan, because of the rotation lever, the dwang can drive the exhaust fan to rotate through the chain wheel group coordination chain, when the exhaust fan rotates, the gas in the inner cavity of the screening box can be pumped out, when the dust and the wheat shell contained in the pumped gas are separated by the first dust baffle plate and the second dust baffle plate in the inner cavity of the second protection box, the separated dust can slide to the dust collecting tank through the first dust baffle plate and the second dust baffle plate, so that a later worker can conveniently pump out the dust collecting tank from the lower end surface of the second protection box, the centralized treatment of the dust and the wheat shell can be completed, after the treatment, the wheat falls onto the upper end surface of the filter screen, the vibration motor is started, when the vibration motor works, the eccentric wheel is driven to rotate, when the eccentric wheel rotates, the lifting disc is impacted, the lifting disc moves upwards after being impacted, when the lifting disc moves upwards, the lifting rod, the oblique block and the filter screen are driven to integrally move upwards, when the filter screen slides upwards and downwards in the inner cavity of the screening box, the wheat on the filter screen is driven to vibrate, thereby can filter less solid particle through the filter screen, and the seed of wheat will be followed filter screen one end and carried out the landing, and less dust will drop the inner chamber of dust collecting vat from the filtration pore of filter screen up end, and then realized the screening and the filtration to the wheat seed on the whole.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

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

FIG. 2 is a rear view of the overall structure of the present invention;

FIG. 3 is a schematic sectional view of a first protective box according to the present invention;

FIG. 4 is a schematic view of the present invention in partial cross-section;

FIG. 5 is an enlarged view of area A of FIG. 4 according to the present invention;

FIG. 6 is a schematic view of the construction of the screening device of the present invention;

fig. 7 is a schematic structural diagram of the vibration device of the present invention.

In the figure: 1. a screening box; 2. a feed hopper; 3. a sloping plate; 4. a screening device; 41. a support block; 42. a rectangular sliding groove; 43. a bump; 44. a return spring; 45. a connecting plate; 46. a screening plate; 47. a pulley; 48. a drive motor; 49. a disc; 410. a connecting rod; 411. a discharge hole; 412. a U-shaped plate; 413. a recovery tank; 5. a dust removal device; 51. a double-shaft motor; 52. rotating the rod; 53. a first air supply fan; 54. a second air supply fan; 55. a first protective box; 56. an exhaust fan; 57. a second protective box; 58. a first dust guard; 59. a second dust guard; 510. a dust collecting groove; 6. a vibrating device; 61. a vibration motor; 62. an eccentric wheel; 63. a rectangular plate; 64. a lifting disc; 65. a lifting rod; 66. an extension spring; 67. a sloping block; 68. a filter screen; 7. and a dust collecting tank.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any inventive step, are intended to be within the scope of the present invention.

Example 1

As shown in FIGS. 1-7, this embodiment provides, a screening device of choice equipment of wheat seed, including screening case 1, screening case 1 up end middle part fixedly connected with feeder hopper 2, screening case 1 inner chamber top just is located feeder hopper 2 below fixedly connected with swash plate 3, screening case 1 inner chamber just is located the swash plate 3 below and installs screening plant 4, screening case 1 mid-mounting has dust collector 5, screening case 1 inner chamber lower part is installed vibrating device 6, screening case 1 inner chamber bottom sliding connection has dust collecting tank 7. Screening plant 4 comprises supporting shoe 41, rectangle sliding tray 42, lug 43, reset spring 44, connecting plate 45, screening board 46, pulley 47, driving motor 48, disc 49, connecting rod 410, discharge opening 411, U template 412 and accumulator 413, screening case 1 one side fixedly connected with driving motor 48, driving motor 48 output shaft end fixedly connected with disc 49, disc 49 up end is connected with connecting rod 410 through the round pin axle rotation, connecting rod 410 one end is connected with screening board 46 through lug cooperation round pin axle rotation. Screening case 1 inner chamber wall both sides fixedly connected with supporting shoe 41 respectively, and supporting shoe 41 up end both ends are provided with rectangle sliding tray 42 respectively, and terminal surface just is located rectangle sliding tray 42 one side fixedly connected with lug 43 under the supporting shoe 41, lug 43 one side fixedly connected with reset spring 44, reset spring 44 one end fixedly connected with connecting plate 45, and connecting plate 45 up end fixedly connected with sieves board 46. Supporting shoe 41 up end middle part all rotates and is connected with pulley 47, pulley 47 surface and screening board 46 contact each other, and screening case 1 one side is provided with discharge opening 411, and screening case 1 one side just is located discharge opening 411 below fixedly connected with U template 412, and U template 412 inner chamber sliding connection has recovery tank 413.

Example 2

Based on the same conception with above-mentioned embodiment 1, this embodiment has still proposed, dust collector 5 is by double-shaft motor 51, the dwang 52, first air inlet fan 53, the second air inlet fan 54, first guard box 55, the air discharge fan 56, second guard box 57, first fender dirt board 58, second fender dirt board 59 and dust collecting tank 510 constitute, screening case 1 one side fixedly connected with double-shaft motor 51, double-shaft motor 51 output shaft end fixedly connected with dwang 52 respectively, dwang 52 one end is connected with first air inlet fan 53 through sprocket group cooperation chain rotation, first air inlet fan 53 one end is connected with second air inlet fan 54 through sprocket group cooperation chain rotation, the dwang 52 other end is connected with air discharge fan 56 through sprocket group cooperation chain rotation. Screening case 1's both sides are first guard box 55 and second guard box 57 of fixedly connected with respectively, and first guard box 55 inner chamber rotates respectively to be connected with first air inlet fan 53 and second air inlet fan 54, and second guard box 57 inner chamber one side rotates to be connected with air discharge fan 56, and second guard box 57 inner chamber opposite side is first dust board 58 and the second dust board 59 of fixedly connected with respectively, and terminal surface one end passes through spout cooperation slider sliding connection and has dust collecting tank 510 under second guard box 57. The vibrating device 6 is composed of a vibrating motor 61, an eccentric wheel 62, a rectangular plate 63, a lifting disc 64, a lifting rod 65, an extension spring 66, an inclined block 67 and a filter screen 68, wherein the vibrating motor 61 is fixedly connected to one side of the filter box 1, and the eccentric wheel 62 is fixedly connected to an output shaft end of the vibrating motor 61. Screening case 1 inner chamber lower part fixedly connected with rectangular plate 63, rectangular plate 63 middle part sliding connection has lifter 65, terminal surface fixedly connected with lift disc 64 under lifter 65, lift disc 64 up end just is located fixedly connected with extension spring 66 between the terminal surface under rectangular plate 63, lifter 65 up end fixedly connected with sloping block 67, screening case 1 inner chamber sliding connection has filter screen 68, terminal surface in contact each other under sloping block 67 and filter screen 68, eccentric wheel 62 and lift disc 64 terminal surface in contact each other.

In this embodiment, firstly, wheat seeds are put into the inner cavity of the screening box 1 from the feeding hopper 2, when the wheat seeds enter the inner cavity of the screening box 1, the wheat seeds slide to one end of the upper end surface of the screening plate 46 along the inclined plate 3 to be stacked, at this time, the driving motor 48 is started, the driving motor 48 drives the disc 49 to rotate, when the disc 49 rotates, the connecting rod 410 and the screening plate 46 are driven to reciprocate, when the screening plate 46 slides left and right in the inner cavity of the screening box 1, the screening plate 46 can flatten the upper stacked wheat seeds, at this time, the flattened wheat seeds and fine dust slowly fall down from the filter holes on the screening plate 46, at this time, larger dust or sundries are blocked at the upper end surface of the screening plate 46, and when the screening plate 46 moves left and right, the larger impurities can be driven to slide out from one end of the discharge hole 411, when larger impurities slide out from one end of the discharge hole 411, the impurities fall into the inner cavity of the recovery groove 413, so that workers in later period can conveniently take out the recovery groove 413 from the lower end face of the U-shaped plate 412 for uniform treatment, because the pulley 47 is arranged on the lower end face of the screening plate 46, the friction force of the screening plate 46 in the sliding process of the upper end face of the supporting block 41 can be reduced through the pulley 47, when wheat seeds fall off from the screening plate 46, the double-shaft motor 51 is started, when the double-shaft motor 51 works, the rotating rod 52 is driven to rotate, when the rotating rod 52 rotates, the first air inlet fan 53 is driven to rotate through the chain wheel set matching chain, when the first air inlet fan 53 rotates, the second air inlet fan 54 is driven to rotate through the chain wheel set matching chain, when the first air inlet fan 53 and the second air inlet fan 54 rotate, the floating air in the falling shell and the air can be blown to one end of the second protection box 57, because the rotating rod 52 rotates, the rotating rod 52 can drive the exhaust fan 56 to rotate by matching a chain with a chain wheel set, when the exhaust fan 56 rotates, the gas in the inner cavity of the screening box 1 can be extracted, when the extracted gas contains dust and wheat shells, the dust and the wheat shells can be separated by the first dust baffle 58 and the second dust baffle 59 in the inner cavity of the second protection box 57, and the separated dust can slide to the dust collection groove 510 through the first dust baffle 58 and the second dust baffle 59, so that a later worker can conveniently extract the dust collection groove 510 from the lower end face of the second protection box 57, the dust and the wheat shells can be intensively treated, after treatment, the wheat falls onto the upper end face of the filter screen 68, the vibration motor 61 is started, when the vibration motor 61 works, the eccentric wheel 62 is driven to rotate, when the eccentric wheel 62 rotates, the lifting disc 64 is collided, will the rebound after the disc 64 is strikeed when going up and down, will drive lifter 65 when disc 64 rebound goes up and down, sloping block 67 and the whole rebound of filter screen 68, will drive the wheat on the filter screen 68 when filter screen 68 slides from top to bottom in screening case 1 inner chamber and vibrate, thereby can filter less solid particle through filter screen 68, and the seed of wheat will carry out the landing from filter screen 68 one end, and less dust will drop to the inner chamber of dust collecting tank 7 from the filtration pore of filter screen up end, and then realized the screening and the filtration to the wheat seed on the whole.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a screening device of choice equipment of wheat seed, includes screening case (1), its characterized in that: screening case (1) up end middle part fixedly connected with feeder hopper (2), screening case (1) inner chamber top just is located feeder hopper (2) below fixedly connected with swash plate (3), screening case (1) inner chamber just is located swash plate (3) below and installs screening plant (4), screening case (1) mid-mounting has dust collector (5), vibrating device (6) are installed to screening case (1) inner chamber lower part, screening case (1) inner chamber bottom sliding connection has dust collecting tank (7).

2. The screening device of the wheat seed fine-selection equipment as claimed in claim 1, wherein the screening device (4) is composed of a supporting block (41), a rectangular sliding groove (42), a bump (43), a return spring (44), a connecting plate (45), a screening plate (46), a pulley (47), a driving motor (48), a disc (49), a connecting rod (410), a discharge hole (411), a U-shaped plate (412) and a recovery groove (413), the driving motor (48) is fixedly connected to one side of the screening box (1), the disc (49) is fixedly connected to an output shaft end of the driving motor (48), the connecting rod (410) is rotatably connected to the upper end face of the disc (49) through a pin shaft, and one end of the connecting rod (410) is rotatably connected to the screening plate (46) through a lug matched with the pin shaft.

3. The screening device of the wheat seed fine-selecting device according to claim 2, wherein supporting blocks (41) are fixedly connected to two sides of the inner cavity wall of the screening box (1), rectangular sliding grooves (42) are respectively formed in two ends of the upper end face of each supporting block (41), a bump (43) is fixedly connected to the lower end face of each supporting block (41) and located on one side of each rectangular sliding groove (42), a return spring (44) is fixedly connected to one side of each bump (43), a connecting plate (45) is fixedly connected to one end of each return spring (44), and a screening plate (46) is fixedly connected to the upper end face of each connecting plate (45).

4. The screening device of the wheat seed fine-selecting device according to claim 3, characterized in that the middle of the upper end face of each supporting block (41) is rotatably connected with a pulley (47), the outer surface of each pulley (47) is in contact with a screening plate (46), one side of each screening box (1) is provided with a discharge hole (411), a U-shaped plate (412) is fixedly connected to one side of each screening box (1) below the discharge hole (411), and the inner cavity of each U-shaped plate (412) is slidably connected with a recovery tank (413).

5. The screening device of a wheat seed concentration device according to claim 1, the dust removal device (5) consists of a double-shaft motor (51), a rotating rod (52), a first air inlet fan (53), a second air inlet fan (54), a first protection box (55), an exhaust fan (56), a second protection box (57), a first dust baffle plate (58), a second dust baffle plate (59) and a dust collection groove (510), one side of the screening box (1) is fixedly connected with a double-shaft motor (51), the output shaft ends of the double-shaft motor (51) are respectively and fixedly connected with a rotating rod (52), one end of the rotating rod (52) is rotationally connected with a first air inlet fan (53) through a chain wheel set matched with a chain, one end of the first air inlet fan (53) is rotationally connected with a second air inlet fan (54) through a chain wheel set and a chain, the other end of the rotating rod (52) is rotatably connected with an exhaust fan (56) through a chain wheel set matched with a chain.

6. The screening device of the wheat seed fine-selecting equipment is characterized in that two sides of the screening box (1) are fixedly connected with a first protection box (55) and a second protection box (57) respectively, an inner cavity of the first protection box (55) is rotatably connected with a first air inlet fan (53) and a second air inlet fan (54) respectively, one side of an inner cavity of the second protection box (57) is rotatably connected with an exhaust fan (56), the other side of the inner cavity of the second protection box (57) is fixedly connected with a first dust baffle plate (58) and a second dust baffle plate (59) respectively, and one end of the lower end face of the second protection box (57) is slidably connected with a dust collection groove (510) through a sliding groove matched sliding block.

7. The screening device of the wheat seed fine-selecting device according to claim 1, wherein the vibration device (6) is composed of a vibration motor (61), an eccentric wheel (62), a rectangular plate (63), a lifting disc (64), a lifting rod (65), an extension spring (66), an inclined block (67) and a filter screen (68), the vibration motor (61) is fixedly connected to one side of the screening box (1), and the eccentric wheel (62) is fixedly connected to an output shaft of the vibration motor (61).

8. The screening device of the wheat seed fine-selecting equipment according to claim 7, characterized in that a rectangular plate (63) is fixedly connected to the lower portion of an inner cavity of the screening box (1), a lifting rod (65) is slidably connected to the middle portion of the rectangular plate (63), a lifting disc (64) is fixedly connected to the lower end face of the lifting rod (65), a tension spring (66) is fixedly connected to the upper end face of the lifting disc (64) and located between the lower end faces of the rectangular plate (63), an inclined block (67) is fixedly connected to the upper end face of the lifting rod (65), a filtering net (68) is slidably connected to the inner cavity of the screening box (1), the inclined block (67) and the filtering net (68) are in mutual contact, and the eccentric wheel (62) and the lower end face of the lifting disc (64) are in mutual contact.