CN210614358U - Grain impurity removal screening device - Google Patents

Abstract

The utility model relates to a grain removes impurity and divides sieve device, which comprises a supporting table, the fan is installed to brace table's upside, the storage hopper support, the upside of storage hopper support is fixed with the storage hopper, the top of storage hopper is fixed with the motor fixed plate, install the motor on the motor fixed plate, the output shaft end of motor is connected with the pivot, the pivot embedding is in the inside of storage hopper, the lower extreme of pivot is connected with the spiral hinge bar, the lower extreme of storage hopper is connected with down the feed cylinder, the inside of feed cylinder is under in the spiral hinge bar embedding, the downside of feed cylinder is connected with the separation chamber, the air outlet department of fan installs the tuber pipe, the tuber pipe communicates with each other with the separation chamber, the right-hand member of tuber pipe is connected with the collection box, the top of collection box is fixed with the top cap, the net that gathers dust is installed in. The bottom of the charging barrel is provided with a fixing sheet which is strip-shaped. This grain removes impurity and divides sieve device edulcoration effectual, the edulcoration is efficient.

Description

Grain impurity removal screening device

Technical Field

The utility model belongs to the technical field of grain edulcoration technique and specifically relates to a grain removes impurity and divides sieve device is related to.

Background

As a large country for producing and selling grains, China plays an important role in agriculture, and along with the development of agricultural mechanization and informatization, a large amount of advanced machines are used in the planting, harvesting and transportation of grains, but a plurality of problems also exist.

Along with the development of modern technology, mechanized operation has been realized mostly in the agricultural field, and the corn that adopts mechanized harvesting often can be thoughtlessly had a large amount of impurity from the farmland when reaping, influences the quality of corn, also does not benefit to the later stage processing yet. Most of the existing grain impurity removal technologies are single, and some large-scale machines are expensive and not suitable for farmers to use. Most farmers still adopt a method of manually using a filter screen to carry out impurity removal of grains, so that the impurity removal effect is not good, and the time is delayed. The harvested grains have large dust, and a large amount of straw fragments are mixed in the grains and need to be cleaned. Therefore, a grain impurity removing and screening device with good impurity removing effect and high efficiency is needed.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the technical problem who exists among the prior art, provide a grain edulcoration divides sieve device that removes impurity effectual, efficient.

The utility model provides an above-mentioned technical problem's technical scheme as follows: a grain impurity removal screening device comprises a supporting table, wherein a fan and a storage hopper support are mounted on the upper side of the supporting table, a storage hopper is fixed on the upper side of the storage hopper support, a motor fixing plate is fixed on the top of the storage hopper, a motor is mounted on the motor fixing plate, a rotating shaft is connected to the output shaft end of the motor and embedded in the storage hopper, a spiral hinge rod is connected to the lower end of the rotating shaft, a lower charging barrel is connected to the lower end of the storage hopper, the spiral hinge rod is embedded in the lower charging barrel, a separation chamber is connected to the lower side of the lower charging barrel, an air pipe is mounted at the air outlet of the fan and communicated with the separation chamber, a collecting box is connected to the right end of the air pipe, a top cover is fixed on the top of the collecting box, a dust collecting net is mounted at the outlet of the lower end of the collecting box, a material receiving, the separation chamber passes through the interior of the support table.

Preferably, the grain impurity removing and screening device is characterized in that a safety cover is arranged outside the fan.

Preferably, in the above grain impurity removing and screening device, a coupler is connected between the rotating shaft and the spiral twisted rod.

Preferably, in the above grain impurity removing and screening device, a fixing piece is installed at the bottom of the lower charging barrel, and the fixing piece is strip-shaped and is suitable for grain particles in the lower charging barrel to pass through.

Preferably, in the impurity removing and screening device for grain, a circular hole is formed in the middle of the fixing piece, a bearing is embedded into the circular hole, and the lower end of the spiral twisted rod is embedded into the bearing.

Preferably, in the impurity removing and screening device for grain, a feeding opening is arranged at the top of the storage hopper.

Preferably, in the above apparatus for removing impurities and screening grains, the air pipe is provided with a one-way valve.

Preferably, in the above apparatus for removing impurities and screening grains, the collecting box is fixed to the right end of the supporting platform.

The utility model has the advantages that: when using this grain impurity removal divides sieve device, the motor drives the pivot when rotating and rotates, the spiral hinge lever that drives the downside through the shaft coupling rotates, grain granule rotates thereupon in the lower feed cylinder when the spiral hinge lever rotates, be brought into the separation intracavity of downside, the dust and the straw piece that fall are blown to the right side to the in-process that grain granule falls from the wind-force of fan, because grain granule weight and density are great can not blow along with the wind, dust and powder impurity are blown into in the collection box on right side through the tuber pipe, get into in the net of gathering dust through the lower extreme export of collecting the box, finally be collected in the inside of gathering the dust net. The grain particles passing through the separation cavity fall into the material receiving box on the lower side after being separated. This grain removes impurity and divides sieve device edulcoration effectual, the edulcoration is efficient.

Drawings

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

FIG. 2 is a schematic view showing the internal structure of the charging barrel of FIG. 1;

FIG. 3 is a bottom view of the anchor sheet of FIG. 2;

fig. 4 is a partially enlarged view of a portion a in fig. 1.

In the drawings, the components represented by the respective reference numerals are listed below:

1. supporting table, 2, safety cover, 3, fan, 4, air pipe, 5, separation cavity, 6, feeding cylinder, 7, storage hopper, 8, storage hopper support, 9, check valve, 10, collection box, 11, motor, 12, dust collection net, 13, spiral hinge rod, 14, fixing piece, 15, round hole, 16, bearing, 17, feeding hole, 18, top cover, 19, material receiving box, 20, coupler, 21, motor fixing plate, 22 and rotating shaft.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

As shown in figure 1, a grain impurity removal divides sieve device, including a supporting bench 1, fan 3, storage hopper support 8 are installed to the upside of a supporting bench 1, and the externally mounted of fan 3 has safety guard 2, and is safer when fan 3 operates. Storage hopper 7 is fixed with to the upside of storage hopper support 8, and the top of storage hopper 7 is fixed with motor fixed plate 21, installs motor 11 on the motor fixed plate 21, and motor 11's output shaft end is connected with pivot 22, and the pivot 22 embedding is in the inside of storage hopper 7, and the lower extreme of pivot 22 is connected with spiral hinge pole 13, specifically, is connected with shaft coupling 20 between pivot 22 and the spiral hinge pole 13, connects both fixedly through shaft coupling 20, transmits the moment of torsion. The motor 11 is electrically connected with an external power supply. The top of storage hopper 7 is provided with material loading mouth 17, the material loading of being convenient for.

As shown in fig. 1, 2 and 3, the lower end of the storage hopper 7 is connected to the lower barrel 6, and the spiral hinge rod 13 is embedded in the lower barrel 6. The fixing piece 14 is installed to the bottom of feed cylinder 6, and the fixing piece 14 is the strip, and is less to sheltering from to feed cylinder 6 internal passage, is suitable for the grain granule in the feed cylinder 6 to pass through. The middle part of the fixing piece 14 is provided with a round hole 15, a bearing 16 is embedded in the round hole 15, and the round hole 15 is in interference fit with the bearing 16. The lower end of the spiral hinge rod 13 is embedded inside the bearing 16. When the motor 11 rotates, the rotating shaft 22 is driven to rotate, and the spiral hinge rod 13 at the lower side is driven to rotate through the coupler 20. When the spiral twisting rod 13 is static, the discharging barrel 6 is in a closed state, grain particles in the storage hopper 7 cannot fall to the lower side, and when the spiral twisting rod 13 rotates, the grain particles in the discharging barrel 6 rotate along with the grain particles and are brought into the separation cavity 5 on the lower side. The faster the rotation speed of the spiral hinge rod 13, the faster the blanking speed.

As shown in fig. 1 and 4, a separation chamber 5 is connected to the lower side of the lower feed cylinder 6, an air pipe 4 is installed at an air outlet of the fan 3, and the air pipe 4 is communicated with the separation chamber 5. The right-hand member of tuber pipe 4 is connected with collects box 10, collects box 10 and fixes the right-hand member at brace table 1. A top cover 18 is fixed on the top of the collecting box 10 through bolts, and when the collecting box 10 is blocked, the top cover 18 can be detached for dredging. A dust collecting net 12 is arranged at the outlet of the lower end of the collecting box 10. When the spiral hinge rod 13 rotates, grain particles in the lower charging barrel 6 rotate along with the spiral hinge rod and are brought into the separation cavity 5 on the lower side, falling dust and straw fragments are blown to the right side by wind power from the fan 3 in the falling process of the grain particles, the dust and powder impurities cannot be blown along with the wind due to the fact that the grain particles are large in weight and density, are blown into the collection box 10 on the right side through the air pipe 4, enter the dust collection net 12 through the lower end outlet of the collection box 10, and are finally collected inside the dust collection net 12. The air pipe 4 is provided with a one-way valve 9, and the one-way valve 9 only allows air flow and impurities to pass through from left to right, so that the impurities are prevented from flowing back. A material receiving box 19 is arranged at the outlet of the lower end of the separation cavity 5, the separation cavity 5 penetrates through the support table 1, and grain particles passing through the separation cavity 5 are separated and then fall into the material receiving box 19 on the lower side. The rotating speed of the motor 11 can be properly adjusted according to the separation condition in the separation process, so that the blanking speed of the motor is better matched with the wind speed of the fan 3, and the best separation effect is achieved.

When the grain impurity removing and screening device is used, the motor 11 drives the rotating shaft 22 to rotate when rotating, the spiral hinge rod 13 on the lower side is driven to rotate through the coupler 20, grain particles in the lower charging barrel 6 rotate along with the rotation of the spiral hinge rod 13 and are brought into the separation cavity 5 on the lower side, dust and straw fragments falling down are blown to the right side by wind power from the fan 3 in the falling process of the grain particles, the dust and the powder impurities cannot be blown along with wind due to the fact that the grain particles are large in weight and density, the dust and the powder impurities are blown into the collecting box 10 on the right side through the air pipe 4, enter the dust collecting net 12 through the lower end outlet of the collecting box 10 and are finally collected inside the dust collecting net 12. The air pipe 4 is provided with a one-way valve 9, and the one-way valve 9 only allows air flow and impurities to pass through from left to right, so that the impurities are prevented from flowing back. A material receiving box 19 is arranged at the outlet of the lower end of the separation cavity 5, the separation cavity 5 penetrates through the support table 1, and grain particles passing through the separation cavity 5 are separated and then fall into the material receiving box 19 on the lower side. This grain removes impurity and divides sieve device edulcoration effectual, the edulcoration is efficient.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims (8)

1. The utility model provides a grain removes impurity and divides sieve device, includes brace table (1), its characterized in that: the fan (3) and the storage hopper support (8) are installed on the upper side of the supporting table (1), the storage hopper (7) is fixed on the upper side of the storage hopper support (8), a motor fixing plate (21) is fixed on the top of the storage hopper (7), a motor (11) is installed on the motor fixing plate (21), a rotating shaft (22) is connected to the output shaft end of the motor (11), the rotating shaft (22) is embedded into the storage hopper (7), a spiral twisted rod (13) is connected to the lower end of the rotating shaft (22), a lower charging barrel (6) is connected to the lower end of the storage hopper (7), the spiral twisted rod (13) is embedded into the lower charging barrel (6), a separation cavity (5) is connected to the lower side of the lower charging barrel (6), an air pipe (4) is installed at the air outlet of the fan (3), and the air pipe (4) is communicated with the separation cavity (5), the right-hand member of tuber pipe (4) is connected with collects box (10), the top of collecting box (10) is fixed with top cap (18), collect the lower extreme exit of box (10) and install dust net (12), the lower extreme exit of separation chamber (5) has been placed and has been connect workbin (19), separation chamber (5) are passed the inside of brace table (1).

2. The grain impurity-removing and screening device of claim 1, which is characterized in that: and a safety cover (2) is arranged outside the fan (3).

3. The grain impurity-removing and screening device of claim 1, which is characterized in that: a coupler (20) is connected between the rotating shaft (22) and the spiral twisted rod (13).

4. The grain impurity-removing and screening device of claim 1, which is characterized in that: the bottom of the feeding barrel (6) is provided with a fixing sheet (14), and the fixing sheet (14) is strip-shaped and suitable for grain particles in the feeding barrel (6) to pass through.

5. The grain impurity-removing and screening device of claim 4, which is characterized in that: the middle part of stationary blade (14) is provided with round hole (15), the inside embedding of round hole (15) has bearing (16), the lower extreme embedding of spiral hinge pole (13) is in the inside of bearing (16).

6. The grain impurity-removing and screening device of claim 1, which is characterized in that: the top of the storage hopper (7) is provided with a feeding hole (17).

7. The grain impurity-removing and screening device of claim 1, which is characterized in that: and the air pipe (4) is provided with a one-way valve (9).

8. The grain impurity-removing and screening device of claim 1, which is characterized in that: the collection box (10) is fixed at the right end of the support table (1).

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