CN215784915U - Continuous screening machine for grains - Google Patents

Abstract

The utility model relates to the field of grain screening equipment, in particular to a grain continuous screening machine, which comprises a box body, a primary screening mechanism, a secondary screening mechanism, a discharging mechanism, a rack and a stepping motor, a first gear and a second gear which are meshed with each other are arranged in the rack from top to bottom in a rotating way, the stepping motor is arranged at the side end of the rack, and the output end is connected with the end part of the first gear, the primary screening mechanism comprises a primary screening cylinder and a first screw rod, the primary screening cylinder is arranged at the top end of the box body, a feed inlet is arranged at the position, close to the left end, of the upper surface of the primary screening cylinder, a primary screening net is arranged at the position, close to the right end, of the lower surface of the primary screening cylinder, the utility model discloses an be equipped with the cubic screening in, and cubic screening process goes on in succession, has not only improved screening efficiency, and to the thorough that the impurity of grain raw materials got rid of, has improved the quality of screening back grain raw materials.

Description

Continuous screening machine for grains

Technical Field

The utility model relates to the field of grain screening equipment, in particular to a grain continuous screening machine.

Background

In grain processing, because grains contain impurities with different sizes, raw materials need to be screened, most of the existing grain screening machines only have one screening mechanism and can only screen part of the impurities in the grains, and the impurities in the grains can be removed only by adopting a plurality of screening machines and screening the grains for a plurality of times, so that the screening efficiency is reduced, the working strength of workers is increased, and the continuity is poor; aiming at the problems, the continuous grain screening machine is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide rapeseed oil packaging equipment.

In order to achieve the purpose, the utility model adopts the technical scheme that:

a grain continuous screening machine comprises a box body, a primary screening mechanism, a secondary screening mechanism, a discharging mechanism, a rack and a stepping motor, wherein the rack is arranged at the side end of the box body, the rack is internally provided with a first gear and a second gear which are meshed with each other in a rotating manner from top to bottom, the stepping motor is arranged at the side end of the rack, the output end of the stepping motor is connected with the end part of the first gear, the primary screening mechanism comprises a primary screening cylinder and a first spiral rod, the primary screening cylinder is arranged at the top end of the box body, the position, close to the left end, of the upper surface of the primary screening cylinder is provided with a feed inlet, the position, close to the right end, of the lower surface of the primary screening cylinder is provided with a primary screening net, the first spiral rod is horizontally arranged in the primary screening cylinder, one end of the primary screening cylinder is connected with the first gear, the secondary screening mechanism comprises a screening cylinder and a second spiral rod, the screening cylinder is horizontally arranged inside the box body, and be located under a preliminary screening section of thick bamboo, preliminary screening net lower extreme is equipped with preliminary unloading pipe and is communicateing inside a sieve section of thick bamboo, second hob horizontal installation is inside a sieve section of thick bamboo, and one end runs through a sieve section of thick bamboo and is connecting the second gear, unloading mechanism installs in the bottom half, and is located under a sieve section of thick bamboo.

Preferably, unloading mechanism includes unloading funnel, unloading screen cloth and unloading baffle, the unloading funnel is installed in the box bottom, and the surface is equipped with the feed opening, the unloading screen cloth is put to one side inside the unloading funnel, and one end is installed at the feed opening lower extreme, the unloading baffle is about unloading screen cloth parallel mount at the feed opening outside end, and unloading baffle tip and unloading screen cloth end connection.

Preferably, the primary screening cylinder is provided with a first waste outlet at the left side end and a second waste outlet at the right side end.

Preferably, the bottom of the blanking funnel is provided with a dust suction pipe.

Preferably, a plurality of support legs distributed around the blanking funnel are symmetrically arranged at the bottom end of the box body.

Preferably, the first screw rod and the second screw rod rotate in opposite directions.

The utility model has the beneficial effects that:

when in use, grain raw materials are added into the primary screening cylinder from the feed inlet, the stepping motor is started to rotate the first screw rod and the first gear, the second screw rod moves reversely along with the first screw rod, the grain raw materials are transported to the primary screening network under the stirring and transporting action of the first screw rod, large impurities in the grain raw materials are screened out, the large impurities are discharged from the first waste outlet through the conveying of the spiral feeding rod, the primarily screened grain raw materials enter the screen cylinder through the primary blanking pipe, secondary screening is carried out through the screen cylinder under the stirring and transporting action of the second screw rod, small impurities in the grain raw materials are screened out, the grain raw materials after secondary screening fall into the inclined blanking screen from the screen cylinder to carry out blanking operation, in the blanking process, the dust suction pipe (the external fan of the dust suction pipe) sucks and removes dust and small impurities of the rapeseed raw materials, and tertiary screening is arranged in the utility model, the three screening processes are continuously carried out, so that the screening efficiency is improved, impurities of the grain raw materials are thoroughly removed, and the quality of the screened grain raw materials is improved; in addition, the impurities screened out for the third time are convenient for the workers to take out, and subsequent screening operation cannot be influenced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention are briefly described above. It is obvious that the above described figures are only some embodiments of the utility model, and that for a person skilled in the art, other figures can be derived from them without inventive effort.

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

FIG. 2 is a side view of the blanking mechanism of the present invention;

in the figure: 1-box, 2-frame, 3-first gear, 4-second gear, 5-primary screening cylinder, 6-first screw rod, 7-feed inlet, 8-screening cylinder, 9-second screw rod, 10-blanking funnel, 11-blanking screen, 12-blanking guide plate, 13-blanking inlet, 14-first waste outlet, 15-second waste outlet, 16-dust suction pipe, 17-support leg, 18-primary screening net, 19-primary blanking pipe and 20-stepping motor.

Detailed Description

The technical scheme of the utility model is further explained by the specific implementation mode in combination with the attached drawings.

Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "inner", "outer", etc. are used for indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not indicated or implied that the referred device or element must have a specific orientation, be constructed in a specific orientation and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limitations of the present patent, and the specific meanings of the terms may be understood by those skilled in the art according to specific situations.

In the description of the present invention, unless otherwise explicitly specified or limited, the term "connected" or the like, if appearing to indicate a connection relationship between the components, is to be understood broadly, for example, as being fixed or detachable or integral; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through one or more other components or may be in an interactive relationship with one another. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 2: a grain continuous screening machine comprises a box body 1, a primary screening mechanism, a secondary screening mechanism, a discharging mechanism, a frame 2 and a stepping motor 20, wherein the frame 2 is arranged at the side end of the box body 1, the frame 2 is internally provided with a first gear 3 and a second gear 4 which are meshed with each other from top to bottom in a rotating way, the stepping motor 20 is arranged at the side end of the frame 2, the output end of the stepping motor is connected with the end part of the first gear 3, the primary screening mechanism comprises a primary screening cylinder 5 and a first spiral rod 6, the primary screening cylinder 5 is arranged at the top end of the box body 1, the position of the upper surface of the primary screening cylinder 5, which is close to the left end, is provided with a feed inlet 7, the position of the lower surface, which is close to the right end, is provided with a primary screening net 18, the first spiral rod 6 is horizontally arranged in the primary screening cylinder 5, one end of the primary screening cylinder 5 is connected with the first gear 3 in a penetrating way, the secondary screening mechanism comprises a screening cylinder 8 and a second spiral rod 9, sieve section of thick bamboo 8 horizontal installation is inside box 1, and is located under a primary screening section of thick bamboo 5, 18 lower extremes of primary screening net are equipped with preliminary unloading pipe 19 and are communicating inside a sieve section of thick bamboo 8, 9 horizontal installations of second hob are inside a sieve section of thick bamboo 8, and one end runs through a sieve section of thick bamboo 8 and is connecting second gear 4, unloading mechanism installs in box 1 bottom, and is located under a sieve section of thick bamboo 8.

Specifically, unloading mechanism includes unloading funnel 10, unloading screen cloth 11 and unloading baffle 12, unloading funnel 10 is installed in 1 bottom of box, and the surface is equipped with feed opening 13, unloading screen cloth 11 is put to one side inside unloading funnel 10, and one end is installed at feed opening 13 lower extreme, unloading baffle 12 is about unloading screen cloth 11 parallel mount at feed opening 13 outside end, and 12 tip of unloading baffle and the 11 end connection of unloading screen cloth.

Specifically, the left side end of the primary screening cylinder 5 is provided with a first waste outlet 14, and the right side end of the screening cylinder 8 is provided with a second waste outlet 15.

Specifically, a dust suction pipe 16 is installed at the bottom of the blanking funnel 10.

Specifically, a plurality of support legs 17 distributed around the feeding funnel 10 are symmetrically arranged at the bottom end of the box body 1.

Specifically, the first screw rod 6 and the second screw rod 9 rotate in opposite directions.

The working principle is as follows: when the device is used, the grain raw material is added into the primary screening cylinder 5 from the feed inlet 7, the stepping motor 20 is started to enable the first screw rod 6 and the first gear 3 to rotate, the second screw rod 9 moves in the opposite direction along with the first screw rod, the grain raw material is transported to the primary screening net 18 under the stirring and transporting action of the first screw rod 6, large impurities in the grain raw material are screened out and discharged from the first waste outlet 14 through the conveying of the screw feeding rod, the primarily screened grain raw material enters the screen cylinder 8 through the primary blanking pipe, secondary screening is carried out through the screen cylinder 8 under the stirring and transporting action of the second screw rod 9, small impurities in the grain raw material are screened out, the grain raw material after secondary screening falls into the inclined blanking screen 11 from the screen cylinder 8 to carry out blanking operation, and during blanking, the dust collecting pipe 16 (the external fan of the dust collecting pipe 16) sucks dust and small impurities of the rapeseed raw material, the utility model is internally provided with three-time screening, and the three-time screening process is continuously carried out, thereby not only improving the screening efficiency, but also thoroughly removing the impurities of the grain raw materials, and improving the quality of the screened grain raw materials; in addition, the impurities screened out for the third time are easy to take out by workers, and subsequent screening operation is not influenced.

It should be understood that the above-described embodiments are merely preferred embodiments of the utility model and the technical principles applied thereto. It will be understood by those skilled in the art that various modifications, equivalents, changes, and the like can be made to the present invention. However, such variations are within the scope of the utility model as long as they do not depart from the spirit of the utility model. In addition, certain terms used in the specification and claims of the present application are not limiting, but are used merely for convenience of description.

Claims (6)

1. The utility model provides a continuous screening machine of grain which characterized in that: including box (1), preliminary screening mechanism, secondary screening mechanism, unloading mechanism, frame (2) and step motor (20), frame (2) are installed at box (1) side, frame (2) are inside from last to rotating first gear (3) and second gear (4) that are equipped with intermeshing down, step motor (20) are installed at frame (2) side, and output and first gear (3) end connection, preliminary screening mechanism includes preliminary screening section of thick bamboo (5) and first hob (6), install on box (1) top preliminary screening section of thick bamboo (5), the position that preliminary screening section of thick bamboo (5) upper surface is close to the left end is equipped with feed inlet (7), and the position that the lower surface is close to the right-hand member is equipped with preliminary screening net (18), first hob (6) horizontal installation is in preliminary screening section of thick bamboo (5), and one end runs through a primary screening section of thick bamboo (5) and is connecting first gear (3), secondary screening mechanism is including a screen section of thick bamboo (8) and second hob (9), a screen section of thick bamboo (8) horizontal installation is inside box (1), and is located a primary screening section of thick bamboo (5) under, primary screening net (18) lower extreme is equipped with preliminary unloading pipe (19) and is communicateing inside a screen section of thick bamboo (8), second hob (9) horizontal installation is inside a screen section of thick bamboo (8), and one end runs through a screen section of thick bamboo (8) and is connecting second gear (4), unloading mechanism installs in box (1) bottom, and is located a screen section of thick bamboo (8) under.

2. The continuous grain screening machine according to claim 1, characterized in that: unloading mechanism includes unloading funnel (10), unloading screen cloth (11) and unloading baffle (12), install in box (1) bottom unloading funnel (10), and the surface is equipped with feed opening (13), unloading screen cloth (11) are put to one side inside unloading funnel (10), and one end is installed at feed opening (13) lower extreme, unloading baffle (12) are about unloading screen cloth (11) parallel mount at feed opening (13) outside end, and unloading baffle (12) tip and unloading screen cloth (11) end connection.

3. The continuous grain screening machine according to claim 1, characterized in that: the left side end of the primary screening cylinder (5) is provided with a first waste outlet (14), and the right side end of the screening cylinder (8) is provided with a second waste outlet (15).

4. The continuous grain screening machine according to claim 2, characterized in that: and a dust suction pipe (16) is arranged at the bottom of the blanking funnel (10).

5. The continuous grain screening machine according to claim 1, characterized in that: the bottom end of the box body (1) is symmetrically provided with a plurality of support legs (17) distributed around the blanking funnel (10).

6. The continuous grain screening machine according to claim 1, characterized in that: the rotating directions of the first screw rod (6) and the second screw rod (9) are opposite.

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