CN212652189U

CN212652189U - Screening plant is used in cereal processing

Info

Publication number: CN212652189U
Application number: CN202021398404.8U
Authority: CN
Inventors: 王冬蓉
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-16
Filing date: 2020-07-16
Publication date: 2021-03-05
Anticipated expiration: 2030-07-16

Abstract

The utility model discloses a screening device for grain processing, which comprises a base station, a screening box transversely installed on the base station, an upper hopper arranged above the screening box, a lower hopper arranged below the screening box and an impurity guide-out table connected to the right side of the screening box; a slot is formed in the position, close to the left side of the feeding hopper, of the top end of the screening box, and the left side of an inner cavity of the screening box is fixedly connected with a motor; and an output shaft of the motor is connected with a rotary screen mechanism through a coupling in a transmission manner. The utility model discloses have rotary screen and wind-force screening dual function, easy operation convenient to use can carry out the rotation screening to cereal in order to let cereal carry out the separation operation on the screen cloth, parts cereal and foreign particle fast simultaneously, has reduced the content of foreign particle in the cereal for the screening efficiency of cereal has improved the screening effect of cereal.

Description

Screening plant is used in cereal processing

Technical Field

The utility model relates to a grain processing equipment field specifically is a screening plant is used in cereal processing.

Background

The cereal is wide in range, and comprises rice, wheat, millet, soybean and other coarse cereals, the cereal comprises rice, wheat, millet, soybean and the like, and mainly comprises plant seeds and fruits; during grain processing, the grains need to be screened so as to facilitate the subsequent processing of the grains.

However, current cereal screening plant, the function is comparatively single, and the great majority utilizes the filter screen to carry out gravity separation with cereal, and this kind of mode cereal is difficult to separately rapidly with foreign particle, and foreign particle content is great in the cereal, leads to screening efficiency slow and poor effect, influences the subsequent processing operation of cereal, is unfavorable for this screening plant's use widely.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a screening plant is used in cereal processing to solve the function that provides in the above-mentioned background art comparatively single, cereal and foreign particle are difficult to part rapidly, and foreign particle content is great in the cereal, the slow poor problem of effect of screening efficiency.

In order to achieve the above object, the utility model provides a following technical scheme:

a screening device for grain processing comprises a base station, a screening box transversely arranged on the base station, an upper hopper arranged above the screening box, a lower hopper arranged below the screening box and an impurity leading-out table connected to the right side of the screening box; a slot is formed in the position, close to the left side of the feeding hopper, of the top end of the screening box, and the left side of an inner cavity of the screening box is fixedly connected with a motor; the output shaft of motor is connected with through the shaft coupling transmission and revolves sieve mechanism, should revolve sieve mechanism and be located the inner chamber of screening case and close on down the hopper top, and revolve sieve mechanism and be located the below of feeding funnel.

Preferably, the screening box is hollow in inner cavity and is of an open structure on the left and right sides, and a dust screen is installed on the left side of the screening box.

Preferably, the rotary screen mechanism comprises a rotating shaft in transmission connection with the coupler, a blocking net vertically inserted into the slot and extending to the bottom of the inner cavity of the screening box, and a screening cage fixedly connected to the outer surface of the rotating shaft.

Preferably, the screening cage comprises a fixed block sleeved on the outer surface of the rotating shaft, two groups of supporting rods symmetrically fixedly connected to the fixed block, and two groups of screens correspondingly connected to the two groups of supporting rods; the two groups of screens form a circular cage structure, and a gap left between the two sides of one group of screens and the two sides of the other group of screens forms a feeding hole.

Preferably, the bottom end of the blocking net is provided with a through groove for the rotating shaft to transversely pass through, and the side view appearance of the through groove is of an inverted U-shaped structure.

Preferably, the whole appearance of screen cloth is "C" shape structure, and two sets of screen cloth mirror image sets up, and the installation position of screen cloth and the installation position of rotation axis are horizontal parallel and level each other.

Preferably, the rotary screen mechanism further comprises a fan blade fixedly sleeved on the outer surface of the output shaft, and the outer surface of the fan blade is not close to the inner side wall of the screening box.

Preferably, the feeding hopper is obliquely connected with a material guide plate, an included angle between the material guide plate and the right side of the inner cavity of the feeding hopper is 20-70 degrees, and a gap reserved between the left side of the bottom of the material guide plate and the left side of the inner cavity of the material guide plate forms a feeding space.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses have rotary screen and wind-force screening dual function, easy operation convenient to use can carry out rotary screen to cereal and in order to let cereal carry out the separation operation on the screen cloth, simultaneously under the flabellum effect, constantly parts cereal and foreign particle fast, has greatly reduced the content of foreign particle in the cereal for the screening efficiency of cereal, has improved the screening effect of cereal, has reduced the subsequent processing degree of difficulty of cereal, is favorable to this screening plant's using widely.

Drawings

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

FIG. 2 is a perspective view of the structure of the screening box of the present invention;

FIG. 3 is a cross-sectional view of the structure of the rotary screen mechanism of the present invention installed in the screening box;

FIG. 4 is a right side view of the structure of the baffle net of the present invention;

fig. 5 is a right side view of the structure of the screening box of the present invention.

In the figure: the screening machine comprises a base station 1, a screening box 2, slots 21, a dust screen 22, a motor 3, an output shaft 31, fan blades 32, a coupler 33, a feeding hopper 4, a material guide plate 41, a discharging hopper 5, an impurity discharging table 6, a rotary screening mechanism 7, a rotary shaft 71, a screen 72, a slot 721, a fixed block 73, a supporting rod 74 and a screen 75.

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. 1-5, the present invention provides a technical solution: a screening device for grain processing comprises a base platform 1, a screening box 2 transversely installed on the base platform 1, an upper hopper 4 arranged above the screening box 2, a lower hopper 5 arranged below the screening box 2, and an impurity leading-out table 6 connected to the right side of the screening box 2; a slot 21 is arranged at the position, close to the left side of the feeding hopper 4, of the top end of the screening box 2, and the left side of the inner cavity of the screening box 2 is fixedly connected with a motor 3; an output shaft 31 of the motor 3 is in transmission connection with a rotary screen mechanism 7 through a coupler 33, the rotary screen mechanism 7 is positioned in the inner cavity of the screening box 2 and close to the upper part of the discharging hopper 5, and the rotary screen mechanism 7 is positioned below the feeding hopper 4; a material guide plate 41 is obliquely connected inside the feeding hopper 4, an included angle between the material guide plate 41 and the right side of the inner cavity of the feeding hopper 4 is 20-70 degrees, and a gap reserved between the left side of the bottom of the material guide plate 41 and the left side of the inner cavity of the material guide plate 41 forms a feeding space; the formed feeding space can enable grains to enter the screening box 2 under the action of gravity, and the arrangement of the material guide plate 41 can form a gradient in the feeding hopper 4, so that the grains can quickly enter the screening box 2 along the feeding space along the gradient formed by the material guide plate 41; the screening case 2 cavity and left and right sides are open type structure, and dust screen 22 is installed to the left side of this screening case 2.

Wherein, the setting of dust screen 22 can form dustproof construction in the left side of motor 3, lets the left side of screening case 2 form dustproof construction to reduce that external dust moisture gets into and causes the erosion to motor 3 and screening case 2 in screening case 2, thereby played the effect of dustproof protection to motor 3 and screening case 2, prolonged motor 3 and screening case 2's life.

Referring to fig. 1, 3, 4 and 5, the rotary screen mechanism 7 includes a rotary shaft 71 in transmission connection with the coupling 33, a blocking net 72 vertically inserted into the slot 21 and extending to the bottom of the inner cavity of the screening box 2, and a screening cage fixedly connected to the outer surface of the rotary shaft 71; the screening cage comprises a fixed block 73 sleeved on the outer surface of the rotating shaft 71, two groups of supporting rods 74 symmetrically fixedly connected to the fixed block 73 and two groups of screens 75 correspondingly connected to the two groups of supporting rods 74; the two sets of screens 75 form a circular cage structure, and a gap left between the two sides of one set of screens 75 and the two sides of the other set of screens 75 forms a feed port; the bottom end of the baffle net 72 is provided with a through groove 721 for the rotating shaft 71 to transversely pass through, and the side view appearance of the through groove 721 is in an inverted U-shaped structure; the overall shape of the screen 75 is a C-shaped structure, two groups of screens 75 are arranged in a mirror image manner, and the installation positions of the screens 75 are horizontally aligned with the installation position of the rotating shaft 71; the rotary screen mechanism 7 further comprises a fan blade 32 fixedly sleeved on the outer surface of the output shaft 31, and the outer surface of the fan blade 32 is not close to the inner side wall of the screening box 2.

Wherein, the setting of flabellum 32 can carry out wind-force screening to cereal to at cereal free fall's in-process, the impurity granule in cereal is blown out and is derived along impurity derivation platform 6 to the produced wind when flabellum 32 is rotatory, and the cereal that is sieved continues to sieve through rotatory screening cage, with this rotary screen who realizes cereal.

In the scheme, the motor 3 adopts a YTSP90S-4 type or YTSP225S-4 type frequency conversion motor, when the motor 3 runs, the output shaft 31 rotates circumferentially to drive the fan blades 32 to rotate circumferentially, and at the moment, the fan blades 32 rotate to generate airflow which continuously blows to the right side of the inner cavity of the screening box 2; meanwhile, the output shaft 31 drives the rotating shaft 71 to rotate circumferentially under the action of the coupler 33, and at this time, the screening cage formed by the fixed block 73, the support rod 74 and the screen 75 rotates along with the rotation of the rotating shaft 71, so that the screen 75 continuously rotates circumferentially.

The working principle is as follows: when the grain sorting machine is used, firstly, the motor 3 is started, then grains are put into the screening box 2 from the feeding hopper 4, and at the moment, the grains enter the screening box 2 along the material guide plate 41; when cereal enters into screening case 2, cereal can enter into the screening cage along the feed inlet between two sets of screens 75, screen cloth 75 screening effect through the rotary screen cage for impurity particle rotary screen in the cereal separates with cereal phase separation, thereby accelerated the screening and the separating speed of the impurity particle who carries in the cereal, the impurity that the screening was kept away is under rotating fan blade 32 effect, blown to impurity derivation platform 6 and derive, thereby impurity particle in the cereal is blown out fast, the cereal after the screening finishes is discharged from hopper 5 down.

The utility model is simple in operation convenient to use, sieve mechanism 7 soon through setting up, can be at the in-process of cereal screening, carry out rotatory screening to cereal in order to let cereal carry out the separation operation on screen cloth 75, simultaneously under flabellum 32 effect, constantly separate cereal and foreign particle fast, the content of foreign particle in the cereal has greatly been reduced, the screening efficiency of this screening plant has been accelerated, the screening effect of cereal has been improved, the subsequent processing degree of difficulty of cereal has been reduced, be favorable to this screening plant's using widely.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A screening device for grain processing comprises a base platform (1), a screening box (2) transversely installed on the base platform (1), an upper hopper (4) arranged above the screening box (2), a lower hopper (5) arranged below the screening box (2), and an impurity guide-out table (6) connected to the right side of the screening box (2); the method is characterized in that: a slot (21) is formed in the position, close to the left side of the feeding hopper (4), of the top end of the screening box (2), and the left side of an inner cavity of the screening box (2) is fixedly connected with a motor (3); an output shaft (31) of the motor (3) is connected with a rotary screen mechanism (7) through a coupling (33) in a transmission mode, the rotary screen mechanism (7) is located in an inner cavity of the screening box (2) and close to the upper portion of the feeding hopper (5), and the rotary screen mechanism (7) is located below the feeding hopper (4).

2. A screening device for grain processing according to claim 1, wherein: screening case (2) inner chamber cavity and left and right sides are open type structure, and dust screen (22) are installed in the left side of this screening case (2).

3. A screening device for grain processing according to claim 1, wherein: the rotary screen mechanism (7) comprises a rotating shaft (71) in transmission connection with the coupler (33), a blocking net (72) which is vertically inserted into the slot (21) and extends to the bottom of the inner cavity of the screening box (2), and a screening cage fixedly connected to the outer surface of the rotating shaft (71).

4. A screening device for grain processing according to claim 3, wherein: the screening cage comprises a fixed block (73) sleeved on the outer surface of the rotating shaft (71), two groups of supporting rods (74) symmetrically fixedly connected to the fixed block (73), and two groups of screens (75) correspondingly connected to the two groups of supporting rods (74); the two groups of screens (75) form a circular cage structure, and a gap left between the two sides of one group of screens (75) and the two sides of the other group of screens (75) forms a feeding hole.

5. A screening device for grain processing according to claim 3, wherein: the bottom end of the blocking net (72) is provided with a through groove (721) for the rotating shaft (71) to transversely pass through, and the side view appearance of the through groove (721) is in an inverted U-shaped structure.

6. A screening device for grain processing according to claim 4, wherein: the whole appearance of screen cloth (75) is "C" shape structure, and two sets of screen cloth (75) mirror image sets up, and the position of installing of screen cloth (75) and rotation axis (71) are horizontal parallel and level each other.

7. A screening device for grain processing according to claim 1 or 3, wherein: the rotary screen mechanism (7) further comprises a fan blade (32) fixedly sleeved on the outer surface of the output shaft (31), and the outer surface of the fan blade (32) is not close to the inner side wall of the screening box (2).

8. A screening device for grain processing according to claim 1, wherein: the feeding device is characterized in that a material guide plate (41) is obliquely connected inside the feeding hopper (4), an included angle between the material guide plate (41) and the right side of the inner cavity of the feeding hopper (4) is 20-70 degrees, and a feeding space is formed by a gap reserved between the left side of the bottom of the material guide plate (41) and the left side of the inner cavity of the material guide plate (41).