阅读说明：本技术 一种带筛分功能的粮食螺旋输送机 (grain screw conveyor with screening function ) 是由 李振刚 于 2019-08-21 设计创作，主要内容包括：本发明公开了一种带筛分功能的粮食螺旋输送机,包括收集箱,所述收集箱前后两端和一侧设置有挡板,所述挡板侧面设置有立柱,所述立柱和所述挡板上安装有螺旋输送机。有益效果在于：本发明所述的一种带筛分功能的粮食螺旋输送机能够实现一边输送粮食,一边对粮食进行筛选,有效剔除粮食中的石子、碎粒、谷壳等杂质,无需先通过粮食筛选机进行筛选,不仅缩短了装仓工序流程,又节约了装仓时间,省时省力,装仓成本显著降低,而且可对多种谷类粮食进行筛分输送作业,应用范围广,实用性好。(the invention discloses a grain screw conveyor with a screening function, which comprises a collecting box, wherein baffles are arranged at the front end, the rear end and one side of the collecting box, stand columns are arranged on the side surfaces of the baffles, and the screw conveyor is arranged on the stand columns and the baffles. Has the advantages that: the grain screw conveyor with the screening function can realize grain conveying and grain screening at the same time, effectively eliminates impurities such as stones, broken grains, husks and the like in the grains, does not need to be screened by a grain screening machine, shortens the process flow of warehousing, saves the warehousing time, saves time and labor, obviously reduces the warehousing cost, can screen and convey various grains, and has wide application range and good practicability.)

1. The utility model provides a grain screw conveyer of area screening function, includes collecting box (1), its characterized in that: baffles (3) are arranged at the front end, the rear end and one side of the collecting box (1), an upright post (2) is arranged on the side surface of the baffle (3), spiral conveyors are mounted on the upright post (2) and the baffle (3), a barrel frame (16) is arranged in the middle of the side surface of the upright post (2), a material receiving barrel (15) is mounted on the barrel frame (16), a control valve (17) is arranged at the lower end of the material receiving barrel (15), and a discharging pipe (18) is arranged at the lower end of the control valve (17); a battery box (24) is arranged on the front surface of the baffle plate (3), a control panel (25) is arranged on the battery box (24), and a control switch (26) is arranged on the control panel (25);

The spiral conveyor comprises a cylinder, a double-shaft motor (7) fixedly arranged at the upper end of the cylinder, a fan (8) fixedly arranged on an output shaft at the upper end of the double-shaft motor (7) and a spiral shaft (19) arranged in the cylinder and fixedly connected with an output shaft at the lower end of the double-shaft motor (7);

the cylinder body comprises a cylinder body I (4) which is obliquely and fixedly arranged at the lower end of the middle part of the baffle plate (3), a cylinder body III (6) which is fixedly arranged at the lower end of the machine body of the double-shaft motor (7) and a cylinder body II (5) which is arranged between the cylinder body I (4) and the cylinder body III (6); the second cylinder body (5) comprises an inner screen cylinder (21) and an outer screen cylinder (20), wherein the upper end and the lower end of the inner screen cylinder (21) are fixedly connected with the first cylinder body (4) and the third cylinder body (6) respectively, and the outer screen cylinder (20) is sleeved outside the inner screen cylinder (21); sieve holes (14) are formed in the inner sieve drum (21) and the outer sieve drum (20), a discharge pipe (9) is arranged at the lower end of the side face of the third cylinder (6), a feed hopper (10) is arranged at the upper end of the side face of the first cylinder (4), an adjusting motor (11) is fixedly mounted on the side face of the third cylinder (6), a driving gear (12) is fixedly mounted on an output shaft of the adjusting motor (11), a gear ring (13) is fixedly sleeved at the upper end of the side face of the outer sieve drum (20), and the gear ring (13) is meshed with the driving gear (12);

The number of the control switches (26) is three, and the control switches are respectively electrically connected with the double-shaft motor (7), the adjusting motor (11) and the control valve (17).

2. the grain screw conveyor with the screening function as claimed in claim 1, wherein: needle roller bearings (22) are arranged at the joints of the upper ends and the lower ends of the inner screen drum (21) and the outer screen drum (20);

Wherein the inner screen drum (21) and the outer screen drum (20) are connected in a rolling manner through two needle roller bearings (22).

3. the grain screw conveyor with the screening function as claimed in claim 1, wherein: a bearing seat (23) is arranged at the joint of the lower end of the outer screen cylinder (20) and the cylinder body I (4);

the two sides of the bearing seat (23) are respectively in rolling connection with the outer screen cylinder (20) and the cylinder body I (4).

4. the grain screw conveyor with the screening function as claimed in claim 1, wherein: the control switch (26) electrically connected with the adjusting motor (11) adopts a single-pole double-throw switch.

5. the grain screw conveyor with the screening function as claimed in claim 1, wherein: the baffle (3) is made of transparent materials.

6. The grain screw conveyor with the screening function as claimed in claim 1, wherein: the receiving barrel (15) is positioned right below an outlet at the lower end of the discharge pipe (9).

7. The grain screw conveyor with the screening function as claimed in claim 1, wherein: the central axes of the first cylinder body (4), the inner screen cylinder (21), the outer screen cylinder (20), the third cylinder body (6), the double-shaft motor (7), the spiral shaft (19) and the fan (8) are all coincided.

8. The grain screw conveyor with the screening function as claimed in claim 1, wherein: the sieve pores (14) are oval through holes;

The screen holes (14) are distributed on the side surfaces of the inner screen drum (21) and the outer screen drum (20) uniformly.

9. the grain screw conveyor with the screening function as claimed in claim 1, wherein: the number of the adjusting motors (11) is multiple;

the adjusting motors (11) are uniformly distributed on the side face of the third cylinder body (6) and are distributed in a centrosymmetric manner by taking the central axis of the third cylinder body (6) as the center;

Wherein the output shaft of each adjusting motor (11) is fixedly provided with the driving gear (12);

Wherein each driving gear (12) is in meshed connection with the gear ring (13).

Technical Field

The invention relates to the field of grain conveying equipment, in particular to a grain screw conveyor with a screening function.

Background

The grain screw conveyer is a machine which utilizes a motor to drive a screw to rotate and push grains to achieve the purpose of conveying. The conveying device can convey horizontally, obliquely or vertically, and has the advantages of simple structure, small cross section area, good sealing property, convenience in operation, easiness in maintenance, convenience in closed transportation and the like. Therefore, the method is widely applied to large and medium-sized grain warehouses. However, the traditional grain screw conveyor has the following problems in the practical use process:

at present, common grain screw conveyer does not generally have the screening function in the market, consequently to those sealed grains that will feed in a warehouse generally need pass through grain sieve separator earlier and select impurity such as stone, broken grain, chaff after, can feed the feed in a warehouse through grain screw conveyer, this undoubtedly need spend longer time, wastes time and energy, and the feed in a warehouse is with high costs.

Disclosure of Invention

The invention aims to solve the problems that the traditional grain screw conveyor in the prior art is simple in structure and does not have the function of screening grains, so that the grains to be warehoused and sealed need to be warehoused after impurities such as stones, broken grains and husks are screened by a grain screening machine, the process is complex, the warehousing time is long, the cost is high, the practicability is low, and the like. According to the technical scheme provided by the invention, the grain can be conveyed and screened at the same time, impurities such as stones, particles and chaffs in the grain can be effectively removed, the grain screening machine is not required to screen at first, the process flow of the warehousing procedure is shortened, the warehousing time is saved, the time and the labor are saved, the warehousing cost is obviously reduced, the practicability is good, and the like, and the following technical effects are elaborated.

In order to achieve the purpose, the invention provides the following technical scheme:

the invention provides a grain screw conveyor with a screening function, which comprises a collecting box, wherein baffles are arranged at the front end, the rear end and one side of the collecting box, an upright post is arranged on the side surface of each baffle, the screw conveyor is installed on each upright post and each baffle, a barrel frame is arranged in the middle of the side surface of each upright post, a material receiving barrel is installed on each barrel frame, a control valve is arranged at the lower end of each material receiving barrel, and a discharging pipe is arranged at the lower end of each control valve; the front surface of the baffle is provided with a battery box, a control panel is arranged on the battery box, and a control switch is arranged on the control panel;

The spiral conveyor comprises a cylinder, a double-shaft motor fixedly arranged at the upper end of the cylinder, a fan fixedly arranged on an output shaft at the upper end of the double-shaft motor, and a spiral shaft arranged in the cylinder and fixedly connected with an output shaft at the lower end of the double-shaft motor;

The cylinder body comprises a cylinder body I which is obliquely and fixedly arranged at the lower end of the middle part of the baffle, a cylinder body III which is fixedly arranged at the lower end of the machine body of the double-shaft motor, and a cylinder body II which is arranged between the cylinder body I and the cylinder body III; the second cylinder body comprises an inner screen cylinder and an outer screen cylinder, wherein the upper end and the lower end of the inner screen cylinder are fixedly connected with the first cylinder body and the third cylinder body respectively, and the outer screen cylinder is sleeved outside the inner screen cylinder; sieve holes are formed in the inner sieve drum and the outer sieve drum, discharge pipes are arranged at the lower ends of three side faces of the drum body, a feed hopper is arranged at the upper end of one side face of the drum body, adjusting motors are fixedly arranged on the three side faces of the drum body, driving gears are fixedly arranged on output shafts of the adjusting motors, gear rings are fixedly sleeved at the upper ends of the side faces of the outer sieve drum, and the gear rings are meshed with the driving gears;

The number of the control switches is three, and the control switches are respectively electrically connected with the double-shaft motor, the adjusting motor and the control valve.

Preferably, needle roller bearings are arranged at the joints of the upper ends and the lower ends of the inner screen cylinder and the outer screen cylinder;

The inner screen drum and the outer screen drum are in rolling connection through the two needle roller bearings.

preferably, a bearing seat is arranged at the joint of the lower end of the outer screen cylinder and the first cylinder body;

And two sides of the bearing seat are respectively in rolling connection with the outer screen cylinder and the cylinder body.

preferably, the control switch electrically connected to the adjustment motor is a single-pole double-throw switch.

Preferably, the baffle is made of transparent materials.

Preferably, the receiving barrel is positioned right below an outlet at the lower end of the discharge pipe.

Preferably, the central axes of the first cylinder, the inner screen cylinder, the outer screen cylinder, the third cylinder, the double-shaft motor, the screw shaft and the fan are all coincident.

preferably, the sieve holes are oval through holes;

the screen holes are distributed on the side surfaces of the inner screen cylinder and the outer screen cylinder uniformly.

Preferably, the number of the adjusting motors is multiple;

The adjusting motors are uniformly distributed on the three side surfaces of the cylinder body, and are distributed in a centrosymmetric manner by taking the central axis of the cylinder body III as the center;

the output shaft of each adjusting motor is fixedly provided with the driving gear;

And each driving gear is meshed with the gear ring.

When the grain screw conveyor with the screening function is used, the control switch is operated to control the adjusting motor to rotate to drive the driving gear to rotate, the driving gear rotates to drive the gear ring to rotate, the gear ring rotates to drive the outer screen drum to rotate, and the relative positions of the screen holes on the outer screen drum and the inner screen drum are adjusted until whole grains cannot flow out of the screen holes and small impurities such as broken grains and stones can flow out of the screen holes; then the spiral conveyer is started, then the grain is poured into the feed hopper, the spiral conveyer conveys the grain to the discharge pipe through the spiral shaft to be discharged, when the grain passes through the second cylinder body, small particle impurities such as stones and crushed grains in the grain flow out of the sieve pores and fall into the collection box, in the rotation process of the spiral conveyer, the fan rotates at a high speed along with the spiral shaft, when the grain flows out of the discharge pipe, the fan can blow away impurities such as husks with light weight in the grain and fall into the collection box, the grain with heavy weight directly falls into the collection barrel and is discharged from the discharge pipe, thereby realizing the sieving of the grain, and because the inner sieve barrel and the outer sieve barrel can relatively rotate to adjust the size of the overlapping area of the sieve pores, the grain can be sieved and conveyed, wide application range and good practicability.

Has the advantages that: the grain screw conveyor with the screening function can realize grain conveying and grain screening at the same time, effectively eliminates impurities such as stones, broken grains, husks and the like in the grains, does not need to be screened by a grain screening machine, shortens the process flow of warehousing, saves the warehousing time, saves time and labor, obviously reduces the warehousing cost, can screen and convey various grains, and has wide application range and good practicability.

Drawings

in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a front view of the present invention;

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

FIG. 3 is an internal block diagram of FIG. 1 of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 1 of the present invention;

FIG. 5 is a first enlarged partial view of FIG. 3 of the present invention;

Fig. 6 is a second enlarged partial view of fig. 3 of the present invention.

The reference numerals are explained below:

1. A collection box; 2. a column; 3. a baffle plate; 4. a first cylinder body; 5. a second cylinder body; 6. a third cylinder body; 7. a double-shaft motor; 8. a fan; 9. a discharge pipe; 10. a feed hopper; 11. adjusting the motor; 12. a driving gear; 13. a ring gear; 14. screening holes; 15. a material receiving barrel; 16. a barrel frame; 17. a control valve; 18. a discharging pipe; 19. a screw shaft; 20. an outer screen cylinder; 21. an inner screen cylinder; 22. a needle bearing; 23. a bearing seat; 24. a battery box; 25. a control panel; 26. and controlling the switch.

Detailed Description

in order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.

referring to fig. 1-6, the grain screw conveyor with the screening function provided by the invention comprises a collecting box 1, wherein baffles 3 are arranged at the front end, the rear end and one side of the collecting box 1, the baffles 3 are used for preventing impurities such as dust, broken particles, stones and chaffs from flying out of the collecting box 1, the side surfaces of the baffles 3 are provided with upright posts 2, the screw conveyor is arranged on the upright posts 2 and the baffles 3, the middle part of the side surfaces of the upright posts 2 is provided with a barrel frame 16, a material receiving barrel 15 is arranged on the barrel frame 16, the lower end of the material receiving barrel 15 is provided with a control valve 17, the control valve 17 is used for controlling the blanking of a blanking pipe 18, and the lower end of; the front surface of the baffle 3 is provided with a battery box 24, the battery box 24 is provided with a control panel 25, the control panel 25 is provided with a control switch 26, and the control switch 26 is used for controlling the actions of the double-shaft motor 7, the adjusting motor 11 and the control valve 17;

The screw conveyor comprises a cylinder, a double-shaft motor 7 fixedly arranged at the upper end of the cylinder, a fan 8 fixedly arranged on an output shaft at the upper end of the double-shaft motor 7 and a screw shaft 19 arranged in the cylinder and fixedly connected with an output shaft at the lower end of the double-shaft motor 7;

The cylinder body comprises a cylinder body I4 which is obliquely and fixedly arranged at the lower end of the middle part of the baffle 3, a cylinder body III 6 which is fixedly arranged at the lower end of the machine body of the double-shaft motor 7 and a cylinder body II 5 which is arranged between the cylinder body I4 and the cylinder body III 6; the second cylinder 5 comprises an inner screen cylinder 21 and an outer screen cylinder 20, wherein the upper end and the lower end of the inner screen cylinder are fixedly connected with the first cylinder 4 and the third cylinder 6 respectively, and the outer screen cylinder is sleeved outside the inner screen cylinder 21; sieve holes 14 are formed in the inner sieve drum 21 and the outer sieve drum 20, a discharge pipe 9 is arranged at the lower end of the side surface of the first cylinder body 6, a feed hopper 10 is arranged at the upper end of the side surface of the first cylinder body 4, an adjusting motor 11 is fixedly arranged on the side surface of the third cylinder body 6, a driving gear 12 is fixedly arranged on an output shaft of the adjusting motor 11, a gear ring 13 is fixedly sleeved at the upper end of the side surface of the outer sieve drum 20, and the gear ring 13;

the number of the control switches 26 is three, and the control switches are respectively and electrically connected with the double-shaft motor 7, the adjusting motor 11 and the control valve 17.

As an optional embodiment, a needle bearing 22 is arranged at the joint of the upper end and the lower end of the inner screen cylinder 21 and the outer screen cylinder 20;

wherein, inner screen section of thick bamboo 21 and outer screen section of thick bamboo 20 are through two bearing 22 roll connections, so the design can avoid inner screen section of thick bamboo 21 to block outer screen section of thick bamboo 20 rotatory.

a bearing seat 23 is arranged at the joint of the lower end of the outer screen cylinder 20 and the first cylinder body 4;

Wherein, bearing frame 23 both sides respectively with outer sieve section of thick bamboo 20 and barrel 4 roll connection, design like this, can avoid barrel 4 to block outer sieve section of thick bamboo 20 rotatory.

The control switch 26 electrically connected to the adjustment motor 11 is a single-pole double-throw switch, and is designed to control the forward and reverse rotation of the adjustment motor 11 through the single-pole double-throw switch.

baffle 3 adopts transparent material preparation, designs like this, conveniently observes the inboard collecting box 1 interior impurity distribution condition of baffle 3.

the receiving bucket 15 is positioned under the outlet at the lower end of the discharge pipe 9, and the design ensures that grains can smoothly fall into the receiving bucket 15.

the central axes of the first cylinder 4, the inner screen cylinder 21, the outer screen cylinder 20, the third cylinder 6, the double-shaft motor 7, the screw shaft 19 and the fan 8 are all superposed.

The sieve holes 14 are elliptical through holes, and the elliptical holes are convenient for sieving grains with different grain sizes;

wherein, the screen holes 14 are provided with a plurality of numbers and are evenly distributed on the side surfaces of the inner screen drum 21 and the outer screen drum 20.

the number of the adjusting motors 11 is multiple;

The adjusting motors 11 are uniformly distributed on the side surface of the cylinder body III 6 and are distributed in a centrosymmetric manner by taking the central axis of the cylinder body III 6 as the center;

Wherein, a driving gear 12 is fixedly arranged on an output shaft of each adjusting motor 11;

Wherein, every driving gear 12 all is connected with ring gear 13 meshing, and a plurality of accommodate motor 11 can guarantee that outer sieve section of thick bamboo 20 reliably rotates.

When the grain screw conveyor with the screening function is used, the control switch 26 is operated to control the adjusting motor 11 to rotate to drive the driving gear 12 to rotate, the driving gear 12 rotates to drive the gear ring 13 to rotate, the gear ring 13 rotates to drive the outer screen drum 20 to rotate, and the relative positions of the screen holes 14 on the outer screen drum 20 and the inner screen drum 21 are adjusted until whole grains cannot flow out of the screen holes 14 and small impurities such as broken grains and stones can flow out of the screen holes 14; then the screw conveyor is started, then the grain is poured into the feed hopper 10, the screw conveyor conveys the grain to the discharge pipe 9 through the screw shaft 19 and discharges the grain, when the grains pass through the second cylinder 5, small particle impurities such as stones, broken grains and the like in the grains flow out of the sieve holes 14 and fall into the collecting box 1, during the rotation of the screw conveyor, the fan 8 also rotates at a high speed along with the screw shaft 19, and when the grain flows out of the discharge pipe 9, the fan 8 can blow away impurities such as light-weight chaff in the grains and fall into the collection box 1, and the grains with heavier mass directly fall into the receiving barrel 15 and are discharged from the discharging pipe 18, thereby realizing the screening of the grains, since the inner screen cylinder 21 and the outer screen cylinder 20 can relatively rotate to adjust the size of the overlapping area of the screen holes 14, therefore, the screening and conveying operation can be carried out on various cereal grains, and the screening and conveying device has wide application range and good practicability.

the above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.