Large-particle material air suction conveying system

Abstract

The utility model relates to the technical field of large-particle material air suction conveying, and particularly discloses a large-particle material air suction conveying system which comprises a fan, the fan is connected with a negative pressure conveying mechanism through an air pipe, the end, away from the air pipe, of the negative pressure conveying mechanism is connected with a material suction pipe, and the material suction pipe is used for sucking large-particle materials in a material storage cage. A stirring suction mechanism is arranged at the end part of one end, far away from the negative pressure conveying mechanism, of the suction pipe; compared with the prior art, through the arrangement of the stirring and material sucking mechanism, large-particle materials in the material storage cage can be stirred, it is guaranteed that the material sucking pipe sucks the large-particle materials, and the conveying efficiency of the large-particle materials is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of wind suction conveying of large-particle materials, and specifically discloses a wind suction conveying system for large-particle materials. Background Art

[0002] Due to factors such as moisture, drying space, and market price, most corn farmers do not sell corn immediately after harvesting it. Instead, they store the corn cobs in round or rectangular ventilated cages to dry naturally, and then thresh and sell them when the market price is good. To remove the corn cobs from the cages for threshing, the only way currently is to dismantle the cages or manually carry the corn cobs out.

[0003] There is also a patent with announcement number CN220157061U that discloses a debris removal device, a conveying system and a corn harvester. The debris removal device includes a shell, a conveyor, a chopper and a negative pressure device. One end of the shell is provided with a material inlet and a material outlet that penetrate inside and outside and are interconnected. The material outlet is located below the material inlet, and the other end of the shell is provided with an impurity outlet that penetrates inside and outside; the conveyor, the chopper and the negative pressure device are fixedly arranged in sequence along the direction from one end to the other end of the shell, and the conveyor is close to the material inlet, and the negative pressure device is close to the impurity outlet.

[0004] In the above scheme, although the corn cobs can be transported by using a negative pressure device and a conveyor, it still requires manual or other machinery to deliver the corn cobs into the material inlet, and the corn cobs in the storage cage cannot be sucked up, which affects the corn cob transportation efficiency. Utility Model Content

[0005] In view of the above-mentioned deficiencies in the prior art, the utility model provides a large-particle material air suction conveying system to solve the problem that the corn cobs in the storage cage cannot be sucked up, thus affecting the corn cob conveying efficiency.

[0006] To achieve the above purpose, the technical solution of the utility model is:

[0007] A large-particle material air suction conveying system includes a fan, which is connected to a negative pressure conveying mechanism through an air duct, and the negative pressure conveying mechanism is connected to a suction pipe at one end away from the air duct, and the suction pipe is used to suck large-particle materials in a storage cage, and a stirring suction mechanism is arranged at one end of the suction pipe away from the negative pressure conveying mechanism; the stirring suction mechanism can stir the large-particle materials in the storage cage and ensure that the suction pipe sucks the large-particle materials. By setting the stirring suction mechanism, the large-particle materials in the storage cage can be stirred, and the suction pipe can suck the large-particle materials, thereby ensuring the conveying efficiency of the large-particle materials.

[0008] Preferably, the stirring suction mechanism includes a rotating suction head; the rotating suction head is rotatably arranged at the end of the suction pipe and is coaxially arranged with the suction pipe; a driving assembly is arranged on the outer wall of the suction pipe; the driving assembly is connected to the rotating suction head and drives the rotating suction head to rotate. The driving assembly drives the rotating suction head to rotate and stir the large particles to prevent the large particles from crossing in the storage cage, thereby ensuring that the suction pipe absorbs the large particles.

[0009] Preferably, the rotary suction head comprises a connecting tube; connecting plates are evenly arranged on the outer wall of the lower end of the connecting tube in the circumferential direction; and an arc plate is fixedly arranged on the connecting plate. The arrangement of the connecting plate and the arc plate can stir the large particle material in the storage cage and avoid interference with the suction of the suction pipe.

[0010] Preferably, flange 1 is provided at the end of the suction pipe; a rotating support inner ring is bolted to flange 1; a groove is provided on the outer wall of the rotating support inner ring; a plurality of steel balls are provided in the groove; flange 2 is provided on the outer wall of the upper end of the connecting pipe; a rotating support outer ring is bolted to flange 2; a slot is provided on the inner wall of the rotating support outer ring to match a plurality of steel balls. It can ensure that the rotating support outer ring at the upper end of the connecting pipe rotates on the rotating support inner ring on the suction pipe. The provision of the steel balls can reduce the friction between the rotating support outer ring and the rotating support inner ring.

[0011] Preferably, teeth are arranged on the outer wall of the outer ring of the rotating support; the driving assembly comprises a motor; the motor is fixedly arranged on the bracket; the bracket is fixedly arranged on the outer wall of the suction pipe; a gear is arranged at the output end of the motor; the gear meshes with the teeth of the outer ring of the rotating support. The driving assembly drives the outer ring of the rotating support to rotate on the inner ring of the rotating support.

[0012] Preferably, the negative pressure conveying mechanism comprises an outer shell; a side wall of one end of the outer shell is connected to an air duct; an inner shell is provided inside the outer shell; a suction pipe passes through the outer shell and then connects to the inner shell; a vent window is provided on the inner shell; a drop pipe is provided on the bottom of the outer shell away from the suction pipe; and a drop port is provided on the inner shell to match the drop pipe. The provision of the vent window facilitates the air duct to extract gas from the outer shell, ensures that negative pressure is maintained in the negative pressure conveying mechanism, and facilitates the suction pipe to absorb large particles of material into the inner shell, and then drops from the drop pipe.

[0013] Preferably, a screw conveying shaft is rotatably arranged in the inner shell; the shaft ends of the screw conveying shaft penetrate the inner shell and the outer shell and are rotatably arranged on the outer shell. The arrangement of the screw conveying shaft can convey large particle materials to the drop pipe.

[0014] Preferably, a paddle wheel is rotatably arranged in the drop tube; the shaft ends of the paddle wheel penetrate the drop tube and are rotatably arranged; one shaft end of the paddle wheel is connected to one shaft end of the screw conveyor shaft through a chain assembly; and a driving sprocket is arranged at the other shaft end of the paddle wheel. The setting of the paddle wheel can ensure the negative pressure in the shell and drop the large particles in the drop tube. The driving sprocket can be externally connected to a motor, which drives the paddle wheel to rotate, and drives the screw conveyor shaft to rotate through the chain assembly.

[0015] The beneficial effects of the utility model are as follows: by setting the stirring and suction mechanism, the large-particle materials in the storage cage can be stirred, and the suction pipe is guaranteed to absorb the large-particle materials, thereby ensuring the transportation efficiency of the large-particle materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the utility model or the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 It is a structural schematic diagram of the stirring and suction mechanism of the utility model;

[0019] Figure 3 It is a cross-sectional schematic diagram of the stirring and sucking mechanism of the utility model;

[0020] Figure 4 It is a structural schematic diagram of the rotary suction head of the stirring suction mechanism of the utility model;

[0021] Figure 5 It is a structural schematic diagram of the negative pressure conveying mechanism of the utility model;

[0022] Figure 6 It is a schematic diagram of the split and cut structure of the negative pressure delivery mechanism of the utility model;

[0023] Figure 7 It is a schematic cross-sectional structural diagram of the negative pressure conveying mechanism of the present utility model.

[0024] Description of reference numerals:

[0025] 1- fan, 2- air duct, 3- negative pressure conveying mechanism, 4- suction pipe, 5- storage cage, 6- stirring suction mechanism, 7- belt conveyor;

[0026] 301-outer shell, 302-inner shell, 303-screw conveying shaft, 304-ventilation window, 305-feeding pipe, 306-feeding port, 307-feeding wheel, 308-driving sprocket;

[0027] 401-flange one; 601-rotating suction head, 602-rotating support inner ring, 603-steel ball, 604-flange two, 605-rotating support outer ring, 606-motor, 607-bracket, 608-gear; 6011-connecting pipe, 6012-connecting plate, 6013-arc plate. DETAILED DESCRIPTION

[0028] In order to enable those skilled in the art to better understand the technical solutions in the present invention, the following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present invention.

[0029] like Figure 1 As shown, a large-particle material air suction conveying system includes a fan 1, the rotating shaft of the fan 1 is connected to the output end of the motor through a synchronous belt, the fan 1 is connected to a negative pressure conveying mechanism 3 through an air duct 2, and the negative pressure conveying mechanism 3 is connected to a suction pipe 4 at one end away from the air duct 2. The suction pipe 4 is used to absorb large-particle materials in a storage cage 5, and a stirring suction mechanism 6 is provided at one end of the suction pipe 4 away from the negative pressure conveying mechanism 3; the stirring suction mechanism 6 can stir the large-particle materials in the storage cage 5 and ensure that the suction pipe 4 absorbs the large-particle materials. The lower end of the drop pipe 305 of the negative pressure conveying mechanism 3 is provided with a belt conveyor 7 to transport the large-particle materials to the next process. By setting the stirring suction mechanism 6, the large-particle materials in the storage cage 5 can be stirred, and the suction pipe 4 can absorb the large-particle materials, thereby ensuring the transportation efficiency of the large-particle materials.

[0030] like Figure 2-4As shown, the stirring suction mechanism 6 includes a rotating suction head 601; the rotating suction head 601 is rotatably arranged at the end of the suction pipe 4 and is coaxially arranged with the suction pipe 4; a driving assembly is arranged on the outer wall of the suction pipe 4; the driving assembly is connected to the rotating suction head 601 and drives the rotating suction head 601 to rotate. The driving assembly drives the rotating suction head 601 to rotate and stir the large particle material to prevent the large particle material from crossing in the storage cage 5, and ensure that the suction pipe 4 absorbs the large particle material. The rotating suction head 601 includes a connecting pipe 6011; the outer wall of the lower end of the connecting pipe 6011 is evenly provided with connecting plates 6012 along the circumferential direction; the connecting plate 6012 is fixedly provided with an arc plate 6013. The arrangement of the connecting plate 6012 and the arc plate 6013 can stir the large particle material in the storage cage 5 and avoid interference with the suction of the suction pipe 4.

[0031] In the above configuration, flange 1 401 is welded to the end of the suction pipe 4; a rotating support inner ring 602 is bolted to the flange 1 401; a groove is arranged on the outer wall of the rotating support inner ring 602; a plurality of steel balls 603 are arranged in the groove; flange 2 604 is welded to the outer wall of the upper end of the connecting pipe 6011; a rotating support outer ring 605 is bolted to the flange 2 604; a clamping groove is arranged on the inner wall of the rotating support outer ring 605 to match the plurality of steel balls 603, so as to ensure that the rotating support outer ring 605 at the upper end of the connecting pipe 6011 rotates on the rotating support inner ring 602 on the suction pipe 4. The arrangement of the steel balls 603 can reduce the friction between the rotating support outer ring 605 and the rotating support inner ring 602. The outer wall of the rotating support outer ring 605 is provided with teeth; the driving assembly includes a motor 606; the motor 606 is fixedly arranged on a bracket 607; the bracket 607 is fixedly arranged on the outer wall of the suction pipe 4; a gear 608 is arranged at the output end of the motor 606; the gear 608 meshes with the teeth of the rotating support outer ring 605. The driving assembly drives the rotating support outer ring 605 to rotate on the rotating support inner ring 602.

[0032] In other alternative embodiments, the connecting tube 6011 at the upper end of the rotating suction head 601 is rotatably arranged on the inner wall of the suction tube 4 through a bearing, and a synchronous ring gear is arranged on the outer wall of the connecting tube 6011 of the rotating suction head 601, and the synchronous ring gear is connected to the synchronous gear on the output end of the motor 606 through a synchronous belt.

[0033] like Figure 5-7As shown, the negative pressure conveying mechanism 3 includes a shell 301; the side wall of one end of the shell 301 is connected to the air duct 2; the shell 301 is sleeved with an inner shell 302; the suction pipe 4 penetrates the shell 301 and then connects to the inner shell 302; a vent window 304 is provided on the inner shell 302; a drop pipe 305 is provided on the bottom of the end of the shell 301 away from the suction pipe 4; and a drop port 306 is provided on the inner shell 302 to cooperate with the drop pipe 305. The vent window 304 is actually a plurality of vent holes provided on the inner shell 302, and the plurality of vent holes together form the vent window 304. The provision of the vent window 304 facilitates the air duct 2 to extract gas from the shell 301, ensures that the negative pressure in the negative pressure conveying mechanism 3 is maintained, and facilitates the suction pipe 4 to absorb large particles into the inner shell 302, and then drops from the drop pipe 305. A screw conveying shaft 303 is rotatably arranged in the inner shell 302; the shaft ends of both ends of the screw conveying shaft 303 penetrate the inner shell 302 and the outer shell 301 and are rotatably arranged on the outer shell 301. The arrangement of the screw conveying shaft 303 can convey large-particle materials to the drop tube 305. A paddle wheel 307 is rotatably arranged in the drop tube 305; the shaft ends of the paddle wheel 307 penetrate the drop tube 305 and are rotatably arranged; one end of the paddle wheel 307 is connected to one end of the screw conveying shaft 303 through a chain assembly; the other end of the paddle wheel 307 is provided with a driving sprocket 308. The arrangement of the paddle wheel 307 can ensure the negative pressure in the outer shell 301 and drop the large-particle materials in the drop tube 305. The driving sprocket 308 can be externally connected to a motor, and the paddle wheel 307 is driven to rotate by the motor, and the screw conveying shaft is driven to rotate by the chain assembly.

[0034] Although the utility model is described in detail by referring to the accompanying drawings and in combination with the preferred embodiments, the utility model is not limited thereto. Without departing from the spirit and essence of the utility model, a person of ordinary skill in the art may make various equivalent modifications or substitutions to the embodiments of the utility model, and these modifications or substitutions shall be within the scope of the utility model / any person of ordinary skill in the art who is familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the utility model, and they shall be within the scope of protection of the utility model. Therefore, the scope of protection of the utility model shall be based on the scope of protection of the claims.

Claims

1. A large particle material air suction conveying system, comprising a fan (1), the fan (1) being connected to a negative pressure conveying mechanism (3) via an air duct (2), the negative pressure conveying mechanism (3) being connected to a suction pipe (4) at one end away from the air duct (2), the suction pipe (4) being used to suck the large particle material in a storage cage (5), characterized in that: A stirring suction mechanism (6) is provided at one end of the suction pipe (4) away from the negative pressure conveying mechanism (3); the stirring suction mechanism (6) is capable of stirring the large-particle material in the storage cage (5) and ensuring that the suction pipe (4) absorbs the large-particle material.

2. The large particle material air suction conveying system according to claim 1 is characterized in that: The stirring material suction mechanism (6) comprises a rotating suction head (601); the rotating suction head (601) is rotatably arranged at the end of the material suction pipe (4) and is coaxially arranged with the material suction pipe (4); a driving component is arranged on the outer wall of the material suction pipe (4); the driving component is connected to the rotating suction head (601) and drives the rotating suction head (601) to rotate.

3. The large particle material air suction conveying system according to claim 2 is characterized in that: The rotary suction head (601) comprises a connecting tube (6011); connecting plates (6012) are evenly arranged on the outer wall of the lower end of the connecting tube (6011) along the circumferential direction; and an arc-shaped plate (6013) is fixedly arranged on the connecting plate (6012).

4. The large particle material air suction conveying system according to claim 3 is characterized in that: A flange 1 (401) is provided at the end of the suction pipe (4); a rotating support inner ring (602) is connected to the flange 1 (401) by bolts; a groove is provided on the outer wall of the rotating support inner ring (602); a plurality of steel balls (603) are provided in the groove; a flange 2 (604) is provided on the outer wall of the upper end of the connecting pipe (6011); a rotating support outer ring (605) is provided on the flange 2 (604) by bolts; and a clamping groove is provided on the inner wall of the rotating support outer ring (605) to match the plurality of steel balls (603).

5. The large particle material air suction conveying system according to claim 4 is characterized in that: The outer wall of the rotating support outer ring (605) is provided with teeth; the driving assembly comprises a motor (606); the motor (606) is fixedly arranged on a bracket (607); the bracket (607) is fixedly arranged on the outer wall of the suction pipe (4); a gear (608) is arranged at the output end of the motor (606); and the gear (608) meshes with the teeth of the rotating support outer ring (605).

6. The large particle material air suction conveying system according to claim 1 is characterized in that: The negative pressure conveying mechanism (3) comprises an outer shell (301); a side wall at one end of the outer shell (301) is connected to the air duct (2); an inner shell (302) is provided inside the outer shell (301); a suction pipe (4) passes through the outer shell (301) and is connected to the inner shell (302); a ventilation window (304) is provided on the inner shell (302); a drop pipe (305) is provided on the bottom of one end of the outer shell (301) away from the suction pipe (4); and a drop opening (306) is provided on the inner shell (302) in coordination with the drop pipe (305).

7. The large particle material air suction conveying system according to claim 6 is characterized in that: A screw conveying shaft (303) is rotatably arranged in the inner shell (302); both ends of the screw conveying shaft (303) penetrate the inner shell (302) and the outer shell (301) and are then rotatably arranged on the outer shell (301).

8. The large particle material air suction conveying system according to claim 7 is characterized in that: A material-push wheel (307) is rotatably arranged in the material-push pipe (305); the shaft ends of the material-push wheel (307) penetrate the material-push pipe (305) and are rotatably arranged; one shaft end of the material-push wheel (307) is connected to one shaft end of the spiral conveying shaft (303) through a chain assembly; and the other shaft end of the material-push wheel (307) is provided with a driving sprocket (308).

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