CN216965292U

CN216965292U - Environment-friendly mobile cleaning center for grain screening

Info

Publication number: CN216965292U
Application number: CN202220103849.1U
Authority: CN
Inventors: 刘剑
Original assignee: Anhui Chenggu Intelligent Equipment Co ltd
Current assignee: Anhui Zhongsui Intelligent Warehousing Equipment Co ltd
Priority date: 2022-01-14
Filing date: 2022-01-14
Publication date: 2022-07-15
Anticipated expiration: 2032-01-14

Abstract

The utility model provides an environment-friendly mobile cleaning center for grain screening, which comprises a frame, an air selection box installed on the frame, a screen drum assembly arranged at the lower end of the air selection box, and a vibrating screen installed at the lower end of the screen drum assembly. The wind selection box, the sieve drum assembly and the vibrating screen screen the grains in turn. The grains enter the collection box through the feeding port, and the dust and impurities in the grains are sucked away through the wind selection channel, and the dust and impurities are accumulated in the collection box. , and through the light miscellaneous discharge pipe, the rest are sucked into the return air chamber of the dust box for filtering and accumulation, and discharged through the dust discharge pipe. The grains in the collection box enter the cylindrical sieve respectively through the first grain hopper, and the grains screened by the cylindrical sieve enter the vibrating screen through the second grain hopper. The device sucks the dust and impurities in the grains through the winnowing box, filters out the larger impurities through the cylindrical screen, and finally screens through the multi-layer vibrating screen, so that the removal rate of impurities in the grains is high.

Description

Environment-friendly mobile cleaning center for grain screening

Technical Field

The utility model relates to the technical field of grain screening equipment, in particular to an environment-friendly mobile cleaning center for grain screening.

Background

At present, in agriculture, more grains are harvested by adopting a harvester, the harvester is simpler and easier to screen the grains, and the harvested grains are mixed with straws, soil, dust, chaffs, stones, gravel and the like. In the process of grain production, soil, gravels, chaffs and the like with different sizes in the grains need to be screened, so that impurities in the grains are reduced.

At present, when grains are screened, different screening devices are often needed to carry out coarse screening, fine screening and winnowing on the grains, the whole production line has a large number of devices, the screening workload is large, the efficiency is low, and the screening effect is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an environment-friendly mobile cleaning center for screening grains, so as to solve the problems in the background technology.

The technical problem solved by the utility model is realized by adopting the following technical scheme: an environment-friendly mobile cleaning center for grain screening comprises a rack, a winnowing box mounted on the rack, a screen drum assembly arranged at the lower end of the winnowing box, and a vibrating screen mounted at the lower end of the screen drum assembly, wherein the winnowing box, the screen drum assembly and the vibrating screen sequentially screen grain;

the winnowing box comprises a feeding box and a collecting box, a feeding hole is formed in the upper end of the feeding box, the lower end of the feeding box is connected with the screen drum assembly through a first grain discharging hopper, a winnowing channel connected with the collecting box is arranged in the feeding box and used for sucking away dust in the feeding box, an ash baffle is arranged in the collecting box, and a light impurity discharging pipe for conveying collected dust impurities is arranged at the lower end of the collecting box;

the screen drum assembly comprises two groups of cylinder screens which are arranged in parallel, the cylinder screens are rotatably installed on the rack through a support frame, two groups of first grain discharging hoppers are arranged and respectively guide grains in the feeding box into the cylinder screens, the cylinder screens are of a screen mesh-shaped structure so as to screen the grains, one sides of the cylinder screens are connected with the first grain discharging hoppers, large impurity discharging pipes are arranged on the other sides of the cylinder screens and used for discharging impurities, and the grains are filtered by the cylinder screens to remove large impurities and are discharged by the large impurity discharging pipes;

the drum sieve is connected with the shale shaker through second grain discharging hopper, screens cereal once more, and the shale shaker slope sets up, and the lower extreme of shale shaker is equipped with ejection of compact box and is used for screening cereal and impurity, and ejection of compact box one side is equipped with the perpendicular wind channel that carries out the selection by winnowing once more to cereal, perpendicular wind channel is connected with the dust removal case, and the row's of material pipe discharge is arranged through heavy miscellaneous to the impurity of ejection of compact box, row's of material pipe and heavy miscellaneous row's of material pipe intercommunication are arranged to big miscellaneous.

As a further scheme of the utility model: the two ends of the cylindrical screen are respectively provided with a sliding rail, the sliding rails are of a circular structure, the cylindrical screen is rotatably installed on the supporting frame through the sliding rails, an annular rack is arranged at the outer end of a shell of the cylindrical screen, the rack is connected with a gear through a chain, and the gear is in transmission connection with a servo motor so as to drive the cylindrical screen to rotate.

As a further scheme of the utility model: the upper end of the support frame is provided with support tubes, the support tubes are provided with pulleys, and the upper ends of the pulleys are attached to the slide rails and used for supporting the cylindrical screen.

As a further scheme of the utility model: the spiral blade is fixed on the inner side wall of the cylindrical screen.

As a further scheme of the utility model: the dust removal case includes return air chamber and suction chamber, communicate through dust bag between return air chamber and the suction chamber, outer end one side of suction chamber is connected with the fan for the air is walked in the suction, forms the negative pressure, the return air chamber is connected with tuber pipe and perpendicular wind channel.

As a further scheme of the utility model: the lower extreme of dust removal case is equipped with the dust that is used for compiling impurity and arranges the material pipe, light miscellaneous row material pipe and dust are arranged and are installed the propulsion auger on the material pipe for push away dust impurity frame one side discharge.

Compared with the prior art, the utility model has the beneficial effects that: grain cereal gets into the collecting box through the feed inlet to through the dust impurity of selection by winnowing passageway suction in the cereal, dust impurity part is piled up in the collecting box, and arranges the material pipe through light miscellaneous, all the other being inhaled in the return-air chamber of dust removal case and filtering and piling up, and arrange the material pipe through the dust and discharge. Grains in the collecting box respectively enter the cylindrical screen through the first grain discharging hopper, grains screened by the cylindrical screen enter the vibrating screen through the second grain discharging hopper, sundries in the cylindrical screen are discharged through the large sundry discharging pipe, the grains screened by the vibrating screen and impurities are respectively discharged, and screening and cleaning of the grains are completed. The device filters the great impurity of volume through the drum sieve through dust and the impurity in the winnowing box suction in the cereal, screens through the multilayer shale shaker at last, and the impurity clearance is high in the messenger cereal. Through two sets of cylinder sieves that parallel, can accelerate the efficiency of screening among the device, make the cereal screening more thorough, prevent that the material is too much to lead to arranging in the miscellaneous good material.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic view of the screen cylinder assembly of the present invention;

FIG. 4 is a schematic view of the cylindrical screen of the present invention;

FIG. 5 is a schematic view of the supporting frame of the present invention;

the following are marked in the figure: 1. a frame; 2. a winnowing box; 3. a screen cylinder assembly; 4. vibrating screen; 5. an air duct; 6. a dust removal box; 7. a vertical air duct; 21. a feeding box; 22. a collection box; 23. a feed inlet; 24. a first grain discharging hopper; 25. an air separation channel; 26. a dust baffle; 27. a light impurity discharge pipe; 31. a cylindrical screen; 32. a support frame; 33. a large impurity discharge pipe; 34. a second grain discharging hopper; 35. supporting a tube; 36. a pulley; 37. a helical blade; 38. a slide rail; 41. a discharging box body; 42. a heavy impurity discharge pipe; 61. an air return chamber; 62. an air suction chamber; 63. a fan; 64. a dust discharge pipe.

Detailed Description

In order to make the technical means, the characteristics, the objectives and the functions of the present invention easy to understand, the present invention will be further described with reference to the following specific drawings.

As shown in FIGS. 1-5,

the embodiment provides an environment-friendly mobile cleaning center for grain screening, which comprises a rack 1, a winnowing box 2, a screen drum assembly 3 and a vibrating screen 4, wherein the winnowing box 2 is installed on the rack 1, the screen drum assembly 3 is arranged at the lower end of the winnowing box 2, the vibrating screen 4 is installed at the lower end of the screen drum assembly 3, the winnowing box 2, the screen drum assembly 3 and the vibrating screen 4 sequentially screen grain grains, the winnowing box 2 is connected with a dust removal box 6 through an air pipe 5, and a fan 63 is installed at the outer end of the dust removal box 6 and used for exhausting air and filtering the air entering the dust removal box 6;

the winnowing box 2 comprises a feeding box 21 and a collecting box 22, a feeding hole 23 is formed in the upper end of the feeding box 21, the lower end of the feeding box 21 is connected with the screen drum component 3 through a first grain discharging hopper 24, a winnowing channel 25 connected with the collecting box 22 is arranged in the feeding box 21 and used for sucking away dust in the feeding box 21, an ash baffle plate 26 is arranged in the collecting box 22, and a light impurity discharging pipe 27 for conveying collected dust impurities out is arranged at the lower end of the collecting box 22;

the screen drum component 3 comprises two groups of cylinder screens 31 which are arranged in parallel, the cylinder screens 31 are rotatably arranged on the frame 1 through a support frame 32, two groups of first grain discharging hoppers 24 are arranged and respectively guide grains in the feeding box 21 into the cylinder screens 31, the cylinder screens 31 are of a screen mesh structure so as to screen grain grains, one sides of the cylinder screens 31 are connected with the first grain discharging hoppers, the other sides of the cylinder screens 31 are provided with large impurity discharging pipes 33 for discharging impurities, and the grain grains are filtered by the cylinder screens 31 to remove larger impurities and are discharged through the large impurity discharging pipes 33;

drum sieve 31 is connected with shale shaker 4 through second grain hopper 34, screens cereal once more, and the slope of shale shaker 4 sets up, and the lower extreme of shale shaker 4 is equipped with ejection of compact box 41 and is used for sieving cereal and impurity, and ejection of compact box 41 one side is equipped with the perpendicular wind channel 7 that carries out the selection by winnowing once more to cereal, perpendicular wind channel 7 is connected with dust removal case 6, and ejection of compact box 41's impurity is arranged row's pipe 42 through heavy miscellaneous discharge, big miscellaneous row's material pipe 33 and heavy miscellaneous row's material pipe 42 intercommunication.

In this embodiment, the two ends of the cylindrical sieve 31 are respectively provided with a slide rail 38, the slide rail 38 is of a circular structure, the cylindrical sieve 31 is rotatably mounted on the support frame 32 through the slide rail 38, the outer end of the shell of the cylindrical sieve 31 is provided with an annular rack, the rack is connected with a gear through a chain, and the gear is in transmission connection with a servo motor, so as to drive the cylindrical sieve 31 to rotate. The upper end of the supporting frame 32 is provided with a supporting tube 35, the supporting tube 35 is provided with a pulley 36, and the upper end of the pulley 36 is attached in a sliding rail 38 and used for supporting the cylindrical screen 31. The cylindrical screen 31 is internally provided with a helical blade 37 for guiding materials, and the helical blade 37 is fixed on the inner side wall of the cylindrical screen 31.

In this embodiment, dust removal case 6 includes return air chamber 61 and suction chamber 62, through the dust bag intercommunication between return air chamber 61 and the suction chamber 62, the outer end one side of suction chamber 62 is connected with fan 63 for the air is walked in the suction, forms the negative pressure, return air chamber 61 is connected with tuber pipe 5 and perpendicular wind channel 7, and the impurity that brings tuber pipe 5 and perpendicular wind channel 7 filters through the dust bag. The lower extreme of dust removal case 6 is equipped with the dust that is used for compiling impurity and arranges material pipe 64, the light miscellaneous row installs the propulsion auger on arranging material pipe 27 and the dust row material pipe 64 for push away dust impurity to 1 one side of frame and discharge.

The working principle of the utility model is as follows: grain grains enter the collection box 22 through the feed inlet 23, dust impurities in the grains are sucked away through the winnowing channel 25, the dust impurities are partially accumulated in the collection box 22 and pass through the light impurities discharge pipe 27, and the rest of the dust impurities are sucked into the air return chamber 61 of the dust removal box 6, filtered and accumulated, and discharged through the dust discharge pipe 64. The grains in the collecting box 22 respectively enter the cylindrical sieve 31 through the first grain discharging hopper 24, the grains screened by the cylindrical sieve 31 enter the vibrating sieve 4 through the second grain discharging hopper 34, impurities in the cylindrical sieve 31 are discharged through the large impurity discharging pipe 33, the grains screened by the vibrating sieve 4 and the impurities are respectively discharged, and the grains are screened and cleaned.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, but that various changes and modifications may be made without departing from the spirit and scope of the utility model, and such changes and modifications are within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof. It is noted that, in this document, relational terms such as first and second, and the like, if any, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Claims

1. a kind of environmental protection mobile cleaning center for grain screening, it is characterized in that: comprise frame and the air selection box that is installed on the frame, the sieve drum assembly that is arranged on the lower end of the air selection box, the vibrating screen that is installed in the lower end of the sieve drum assembly The air selection box, the sieve cylinder assembly and the vibrating screen screen the grains in turn. The air selection box is connected to the dust removal box through an air duct, and a fan is installed at the outer end of the dust removal box for air extraction, and the dust enters the dust removal box. filter the air inside;

The winnowing box includes a feeding box and a collecting box. The upper end of the feeding box is provided with a feeding port, and the lower end of the feeding box is connected to the screen cylinder assembly through the first grain output hopper. The feeding box is provided with a collecting box. The continuous air selection channel is used for sucking dust into the material box. The collection box is provided with a dust baffle plate, and the lower end of the collection box is provided with a light-miscellaneous discharge pipe to transport the collected dust and impurities out;

The sieve drum assembly includes two sets of cylindrical sieves arranged in parallel, the cylindrical sieves are rotatably installed on the frame through the support frame, and the first grain hopper is provided with two sets, which respectively guide the grains in the feeding box into the circle. In the cylindrical screen, the cylindrical screen has a screen-like structure to screen grains. One side of the cylindrical screen is connected to the first grain output hopper, and the other side is provided with a large miscellaneous discharge pipe for discharging impurities. The grains are filtered through the cylindrical screen to filter out the larger impurities and discharged through the large impurities discharge pipe;

The cylindrical sieve is connected to the vibrating screen through the second grain hopper to screen the grains again. The vibrating screen is inclined and provided with a discharging box at the lower end of the vibrating screen for screening grains and impurities. There is a vertical air duct on the side for re-selection of grains. The vertical air duct is connected with the dust removal box. The impurities in the discharge box are discharged through the heavy-duty discharge pipe, which is connected to the heavy-duty discharge pipe. tube connection.

2. The environmental protection mobile cleaning center for grain screening according to claim 1, wherein the two ends of the cylindrical screen are respectively provided with slide rails, the slide rails are of circular structure, and the cylindrical screen passes through the slide rails. It is rotatably installed on the support frame, the outer end of the cylindrical screen is provided with a ring-shaped rack, the rack is connected with the gear through the chain, and the gear is connected with the servo motor to drive the cylindrical screen to rotate.

3. An environmental protection mobile cleaning center for grain screening according to claim 2, characterized in that: the upper end of the support frame is distributed and installed with support pipes, the support pipes are installed with pulleys, and the upper ends of the pulleys are fitted in the slide rails , used to support the cylindrical screen.

4. An environmentally friendly mobile cleaning center for grain screening according to claim 3, characterized in that: the cylindrical screen is provided with a spiral blade for guiding materials, and the spiral blade is fixed on the inner side wall of the cylindrical screen .

5. The environmental protection mobile cleaning center for grain screening according to claim 1, wherein the dust box comprises a return air chamber and a suction chamber, and a dust filter is passed between the return air chamber and the suction chamber. The bag is connected, and a fan is connected to the outer end side of the suction chamber for sucking away air to form a negative pressure, and the air return chamber is connected with an air duct and a vertical air duct.

6. An environmental protection mobile cleaning center for grain screening according to claim 5, characterized in that: the lower end of the dust box is provided with a dust discharge pipe for collecting impurities, and the light impurities discharge pipe and the dust discharge pipe are arranged at the lower end of the dust box. A propelling auger is installed on the material pipe, which is used to push the dust and impurities to the side of the frame for discharge.