CN111573305A - Return flow type granary grain distribution system - Google Patents

Abstract

The invention relates to a backflow type grain distribution system for a granary, which comprises a grain feeding device and a grain conveying and distributing device, wherein the grain feeding device is connected with the grain distribution system; the grain conveying and distributing device comprises a horizontal grain conveying belt arranged at the top of the granary, a transverse grain distributing mechanism and a grain distributing mechanism connected with the horizontal grain conveying belt and the transverse grain distributing mechanism; the transverse grain distribution mechanism comprises a distribution frame, an annular distribution pipe structure and a discharging structure, wherein the annular distribution pipe structure is arranged on the distribution frame and correspondingly connected and matched with the grain distribution mechanism, and the discharging structure is arranged at the bottom of the annular distribution pipe structure; the blanking structure comprises a plurality of blanking funnels arranged at the bottom of the annular distributing pipe structure and a connecting rod type funnel opening and closing mechanism arranged at the blanking port of each blanking funnel, and the connecting rod type funnel opening and closing mechanism is used for opening or closing the blanking port. The invention aims to solve the problems that a large amount of manpower and material resources are consumed for leveling grains in a granary, the efficiency is low, and the cost is high in the traditional technology.

Description

Return flow type granary grain distribution system

Technical Field

The invention relates to the technical field of granary equipment, in particular to a backflow type granary grain distribution system.

Background

The grain surface leveling is an important component of daily granary management, and after the grain surface of grains in the granary is leveled, the grains can be conveniently ventilated, so that the temperature of the grains in the granary is balanced, the grains are prevented from being unevenly radiated, and the grains can be prevented from being deteriorated because heat is intensively distributed at the top of the conical grain pile. Moreover, after the grain surface of the grain in the granary is leveled, the humidity in the granary can be conveniently controlled, the grain volume in the granary can be conveniently measured, impurities can be conveniently removed, the grain surface can be kept clean, condensation is not easy to form, abnormity of the granary can be found, and the like. However, in the conventional technology, grain warehousing and leveling are usually realized in a manual mode, a large amount of manpower is consumed to transport grains to the granary, a large amount of manpower, material resources and financial resources are consumed to pave the conical grain piles which are not uniformly distributed through a manual holding tool, the efficiency is very low, the cost is high, and the leveling effect is poor.

Disclosure of Invention

Based on the above, the invention provides a backflow type grain distribution system for a granary, and aims to solve the problems that a large amount of manpower and material resources are consumed for leveling grains in the granary, the efficiency is low, and the cost is high in the traditional technology.

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

a return flow type grain distribution system for a grain depot, comprising:

the grain feeding device is arranged outside the granary; and the number of the first and second groups,

the grain conveying and distributing device comprises a horizontal grain conveying belt, a transverse grain distributing mechanism and a grain distributing mechanism, wherein the horizontal grain conveying belt is arranged at the top of a grain bin, the grain distributing mechanism is connected with the horizontal grain conveying belt and the transverse grain distributing mechanism, the horizontal grain conveying belt is correspondingly matched with the grain feeding device and penetrates through the grain distributing mechanism, the transverse grain distributing mechanism is arranged at the top of the grain bin and is staggered with the horizontal grain conveying belt, and the grain distributing mechanism is arranged on the transverse grain distributing mechanism;

the horizontal grain distributing mechanism comprises a distributing frame arranged on the granary in a sliding mode, an annular distributing pipe structure arranged on the distributing frame and correspondingly connected and matched with the grain distributing mechanism, and a discharging structure arranged at the bottom of the annular distributing pipe structure;

the blanking structure comprises a plurality of blanking funnels arranged at the bottom of the annular distributing pipe structure and a connecting rod type funnel opening and closing mechanism arranged at the positions of blanking mouths of the blanking funnels, and the connecting rod type funnel opening and closing mechanism is used for opening or closing the blanking mouths.

Optionally, the connecting rod type funnel opening and closing mechanism comprises a valve plate hinged to the discharging opening of the discharging funnel and a connecting rod driving structure arranged on the material distribution frame and connected with the valve plate, and the connecting rod driving structure is used for driving the valve plate to rotate so as to close or open the discharging opening.

Optionally, the connecting rod type funnel opening and closing mechanism comprises one connecting rod driving structure connected to the valve plate;

or the connecting rod type funnel opening and closing mechanism comprises one connecting rod driving structure respectively connected to two sides of the valve plate.

Optionally, the connecting rod driving structure includes a linear driving motor disposed on the material distribution frame, a driving rod connected to an output end of the linear driving motor, and a sliding block slidably connected to the driving rod, and the sliding block is hinged to the valve plate.

Optionally, the connecting rod type funnel opening and closing mechanism comprises one connecting rod driving structure respectively connected to two sides of the valve plate, and the two connecting rod driving structures are provided with the linear driving motors;

or the connecting rod type funnel opening and closing mechanism comprises two connecting rod driving structures which are respectively connected to two sides of the valve plate, and the two connecting rod driving structures share the linear driving motor.

Optionally, the link-type hopper opening and closing mechanism includes one valve plate hinged to the bottoms of a plurality of hopper, at least one slider hinged to the valve plate, and one driving rod slidably connected to the slider;

or, connecting rod formula funnel closing mechanism include respectively with a plurality of unloading funnel bottom one-to-one articulated a plurality of valve plate, with a plurality of valve plate one-to-one articulated a plurality of the slider, and with a plurality of the equal sliding connection's of slider the actuating lever.

Optionally, the distributing frame comprises a first support and a second support which are respectively arranged on two opposite side walls of the granary in a sliding manner;

the linear driving motor comprises a first linear motor arranged on the first support and a second linear motor arranged on the second support, the two ends of the driving rod are respectively arranged at the output end of the first linear motor and the output end of the second linear motor, and the first linear motor and the second linear motor are used for synchronously pushing the driving rod to ascend or descend.

Optionally, the valve plate has a hinged end hinged to the bottom of the discharging hopper and a free end far away from the hinged end, and the sliding block is hinged to the free end;

a movable gap for the driving rod to move up and down is formed in the side wall of the discharging hopper.

Optionally, the horizontal grain distributing mechanism includes two annular distributing pipe structures arranged on the distributing frame, and the grain distributing mechanism is correspondingly connected between the two annular distributing pipe structures;

the annular material distribution pipe structure comprises an annular pipeline and a grain circulating pushing mechanism, wherein the annular pipeline is arranged on the material distribution frame and provided with an annular material distribution cavity, the grain circulating pushing mechanism is arranged in the annular material distribution cavity of the annular pipeline, the annular pipeline and the grain distributing mechanism are correspondingly connected and matched, and the blanking structure is arranged at the bottom of the annular pipeline.

Optionally, the annular pipeline includes a feeding pipe and a feed back pipe which are arranged side by side, and a transition connection pipe which is communicated with an outlet end of the feeding pipe and an inlet end of the feed back pipe and is connected to the material distribution frame, the grain distribution mechanism is communicated with an outlet end of the feed back pipe and an inlet end of the feeding pipe, and the blanking structure is arranged at the bottom of the feeding pipe or/and the feed back pipe;

the grain circulation pushing mechanism comprises a transition connecting pipe, a pushing driving structure on the grain distribution mechanism and an annular pushing belt plate structure connected with the pushing driving structure, and the annular pushing belt plate structure is arranged in the annular pipeline.

According to the technical scheme provided by the invention, the grain feeding device can convey grains to a horizontal grain conveying belt of a grain conveying and distributing device at the top of the grain bin, the grain distributing mechanism penetrating through the horizontal grain conveying belt can intercept the grains on the horizontal grain conveying belt, the intercepted grains are conveyed to an annular distributing pipe structure of the transverse grain distributing mechanism, and the grains fall down and are distributed at the bottom of the grain bin through a discharging structure arranged at the bottom of the annular distributing pipe structure. Moreover, in the grain distribution process, the annular distributing pipe structure can slide along the side wall of the granary in a reciprocating mode through the distributing frame, so that grains are distributed uniformly in the length direction and the width direction of the granary, the grains are distributed flatly, and the tapered accumulation cannot be generated. In addition, the whole grain distribution process does not need manual grain carrying and laying, grain distribution efficiency is greatly improved, cost is reduced, and the leveling effect is good. Moreover, a plurality of discharging funnels are arranged at the bottom of the annular distributing pipe structure, so that uniform discharging can be realized. Moreover, the connecting rod type funnel opening and closing mechanism is arranged at the discharge opening of the discharge funnel, the discharge opening of the discharge funnel can be opened and closed through the connecting rod structure, the opening degree of the discharge opening can be conveniently controlled, so that the flow of grains flowing out from the discharge opening can be conveniently adjusted, and the grain distribution can be leveled to a granary.

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 structures shown in the drawings without creative efforts.

Fig. 1 is a schematic perspective view of a return flow type grain distribution system for a grain bin (when the return flow type grain distribution system is arranged on the grain bin) according to an embodiment of the invention;

fig. 2 is a schematic perspective view of a grain conveying and distributing device (when a horizontal grain conveying belt is removed) of the return flow type grain distribution system for the granary according to the embodiment of the present invention;

FIG. 3 is a schematic longitudinal sectional view of FIG. 2;

fig. 4 is a schematic view of a partial three-dimensional structure of a grain conveying and distributing device (grain distributing mechanism) of the backflow type grain bin distributing system according to the embodiment of the invention;

FIG. 5 is a schematic cross-sectional view of FIG. 4 (with the grain distribution mechanism removed);

fig. 6 is a schematic partial structural view of a transverse grain distribution conveying mechanism of the return flow type grain distribution system for the granary according to the embodiment of the present invention;

fig. 7 is a partial structural schematic view of a transverse grain distribution conveying mechanism of the return flow type grain distribution system of the granary according to the embodiment of the present invention;

fig. 8 is a schematic view showing a partial structure of a transverse grain distribution conveying mechanism of the return flow type grain distribution system of the granary according to the embodiment of the present invention.

The reference numbers illustrate:

the objects, features and advantages of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

As shown in fig. 1, the present invention provides a return flow type grain distribution system for a grain silo 10. This backward flow formula granary cloth grain system is including being used for locating the grain loading attachment 100 in the granary 10 outside to and locate the grain transportation distributing device at granary 10 top. Grain carries distributing device and grain loading attachment 100 to mutually support, can carry the grain that lies in outside the granary 10 through grain loading attachment 100 and carry the distributing device on the grain at granary top, grain carries the distributing device can carry grain and cloth at granary 10 top, so that grain evenly levels the soil and distributes in granary 10, the loading of whole grain, it goes on automatically to level through mechanical equipment, can greatly reduce the manpower, the consumption of material resources and financial resources, and high efficiency, it is effectual to level.

Specifically, the grain feeding device 100 may include a feeding frame 110 obliquely disposed outside the grain bin 10, a feeding conveyor 120 disposed on the feeding frame 110, and a feeding funnel 130 disposed at a discharge end of the feeding conveyor 120, wherein the feeding funnel 130 is located above the grain conveying and distributing device. That is, the feeding frame 110 is disposed obliquely, so that the feeding conveyor belt 120 is also disposed obliquely, and the feeding conveyor belt 120 extends obliquely from the horizontal ground to the top of the grain bin 10, so that grains can be conveyed from the ground to the top of the grain bin 10, and the grains conveyed on the feeding conveyor belt 120 can be conveyed to the grain conveying and distributing device through the feeding funnel 130 disposed at the discharge end (i.e., the end corresponding to the grain conveying and distributing device at the highest position) of the feeding conveyor belt 120. Moreover, in this embodiment, the feeding funnel 130 may be a flow-limiting funnel, and the flow-limiting funnel 130 is fixed to the top end of the obliquely arranged feeding conveyor 120 and can be used to limit the cross-sectional area of the grain fluid passing through the feeding conveyor 120 to prevent the grain from scattering and splashing.

In addition, as shown in fig. 1 to 2, the grain conveying and distributing device may include a horizontal grain conveying belt 200 disposed at the top of the grain bin 10, a horizontal grain distributing mechanism 300, and a grain distributing mechanism 400 connecting the horizontal grain conveying belt 200 and the horizontal grain distributing mechanism 300, wherein the horizontal grain conveying belt 200 is correspondingly matched with the feeding funnel 130 of the grain feeding device 300 and is disposed on the grain distributing mechanism 400 in a penetrating manner, the horizontal grain distributing mechanism 300 is slidably disposed at the top of the grain bin 10 and is staggered with the horizontal grain conveying belt 200, and the grain distributing mechanism 400 is disposed on the horizontal grain distributing mechanism 300. The grain can be loaded on the horizontal grain conveyer belt 200 arranged on the top of the granary 10 by using the grain loading device 100, the horizontal grain conveyer belt 200 can convey the grain longitudinally along the horizontal direction of the granary 10 (from one end of the granary to the other end of the granary), in the conveying process, the grain distribution mechanism 400 arranged on the horizontal grain conveyer belt 200 can intercept the grain on the horizontal grain conveyer belt 200 and input the grain into the horizontal grain distribution mechanism 300, the horizontal grain distribution mechanism 300 can convey and distribute the grain transversely along the granary 10, the horizontal grain distribution mechanism 300 can move along the extending direction of the horizontal grain conveyer belt 200, the grain can be distributed from one end of the granary 10 to the other end of the granary longitudinally, and therefore, the whole granary can be distributed comprehensively and flatly. Moreover, the horizontal grain distributing mechanism 300 is obliquely arranged from the top of the granary to the bottom of the granary, so that the grain can be automatically distributed and discharged by utilizing the gravity of the grain.

Moreover, the grain conveying and distributing device may include a horizontal grain conveying belt 200 horizontally and longitudinally disposed at the top of the grain bin 10, and one or more horizontal grain distributing mechanisms 300 horizontally and transversely disposed on the horizontal grain conveying belt 200, and the horizontal grain conveying belt 200 and each horizontal grain distributing mechanism 300 may be connected by a grain distributing mechanism 400. Moreover, when a plurality of horizontal grain distributing mechanisms 300 are provided, the horizontal grain distributing mechanisms 300 are arranged side by side at intervals. In this embodiment, the grain conveying and distributing device includes a horizontal grain conveying belt 200 horizontally and longitudinally disposed in the middle of the top of the grain bin 10, and a horizontal grain distributing mechanism 300 horizontally and transversely disposed on the horizontal grain conveying belt 200, and two sides of the horizontal grain distributing mechanism 300 are symmetrically disposed with respect to the horizontal grain conveying belt 200. In addition, when the granary is large, a plurality of grain conveying and distributing devices can be arranged at the same time for distributing the grains.

Further, the horizontal grain conveyor 200 may include a horizontal bracket (which may be disposed along the length direction of the grain bin) suspended between two opposite sidewalls of the top of the grain bin, and a horizontal conveyor belt disposed on the horizontal bracket, and the horizontal conveyor belt may convey the grain conveyed by the grain feeding device 100 at the top of the grain bin 10. In addition, the horizontal grain distributing mechanism 300 can be arranged on the horizontal bracket in a sliding manner, and the grain distributing mechanism 400 is correspondingly matched with the horizontal conveyor belt. Namely, the horizontal grain distributing mechanism 300 is supported by the horizontal bracket, and the grain conveyed on the horizontal conveyor belt is intercepted by the grain distributing mechanism 400 and conveyed to the horizontal grain distributing mechanism.

Moreover, the horizontal grain distributing mechanism 300 may include a distributing frame 310 slidably disposed on the grain bin 10 (a guide rail 12 slidably engaged with the distributing frame 310 is disposed on a sidewall of the grain bin 10), an annular distributing pipe structure 320 disposed on the distributing frame 310 and correspondingly connected and engaged with the grain distributing mechanism 400, and a discharging structure 330 disposed at a bottom of the annular distributing pipe structure 320. In the distributing process of the transverse grain distributing mechanism 300, the annular distributing pipe structure 320 connected with the grain distributing mechanism 400 can convey and distribute grains along the transverse direction of the grain bin 10, and the grain is discharged through the discharging structure 330 at the bottom of the annular distributing pipe structure 320, so that the grains are discharged and distributed into the grain bin 10 along the extending direction of the annular distributing pipe structure 320. Moreover, by arranging the annular distributing pipe structure 320, grains can move in the annular distributing pipe structure 320 in an annular manner, so that the grains are arranged more uniformly in the annular distributing pipe structure 320 (uniformly arranged at each position of the annular distributing pipe structure 320), the grains are more uniformly distributed when falling from the blanking structure 330 at the bottom of the annular distributing pipe structure 320, and uniform distribution in a granary is realized.

Furthermore, in some embodiments, the above-mentioned horizontal grain distributing mechanism 300 may include an annular distributing pipe structure 320 disposed on one side of the horizontal grain conveying belt 200, wherein one end of the annular distributing pipe structure 320 is disposed on the distributing frame 310, and the other end is connected to the grain distributing mechanism 400. In this embodiment, the material distributing frame 310 is disposed on one side wall of the granary, and the horizontal grain conveying belt 200 is disposed on the other side wall of the granary, so that only one annular material distributing pipe structure 320 is connected between the horizontal grain conveying belt 200 and the material distributing frame 310 (and also connected with the grain distributing mechanism 400), and thus, grains can uniformly fall to the bottom of the granary from one side of the horizontal grain conveying belt 200.

In addition, in other embodiments, the horizontal grain distribution mechanism 300 may include one ring-shaped distribution pipe structure 320 respectively disposed at two sides of the horizontal grain conveyor belt 200, wherein one end of each ring-shaped distribution pipe structure 320 is disposed on the distribution frame 310, and the other end is connected to the grain distribution mechanism 400. In this embodiment, the horizontal grain distributing mechanism 300 may include two annular distributing pipe structures 320, the distributing frame 310 may include a branch bracket respectively disposed on two opposite sidewalls of the grain bin, and the horizontal grain conveyor 200 may be disposed at a middle position of the grain bin, so that each annular distributing pipe structure 320 is connected between one branch bracket and the horizontal grain conveyor 200 (and also connected to the grain distributing mechanism 400), thereby allowing grains to fall down uniformly from two sides of the horizontal grain conveyor 200.

Further, as shown in fig. 2 to fig. 3, the annular material distribution pipe structure 320 may include an annular pipe 322 having an annular material distribution cavity and disposed on the material distribution frame, and a grain circulating pushing mechanism 324 disposed in the annular material distribution cavity of the annular pipe 322, the annular pipe 322 is correspondingly connected and matched with the grain material distribution mechanism 400, and the blanking structure 330 is disposed at the bottom of the annular pipe 322. The grain circulating pushing mechanism 324 can circularly push the grains conveyed into the annular pipeline 322 by the grain separating mechanism 400 in the annular distributing cavity of the annular pipeline 322, so that the grains can be uniformly distributed in the annular pipeline 322. And the grain uniformly distributed in the circular pipeline 322 can be uniformly discharged through the discharging structure 330 arranged at the bottom of the circular pipeline 322. Moreover, the blanking structure 330 may include a plurality of blanking funnels 330 disposed at the bottom of the ring-shaped pipe 322 of the ring-shaped distributing pipe structure 320, and the plurality of blanking funnels 330 are uniformly arranged along the extending direction of the ring-shaped pipe 322, so that the blanking and the distribution can be uniformly performed in the transverse direction of the granary. Moreover, the annular distributing pipe structure 320 can horizontally and longitudinally slide along the horizontal grain conveying belt 200 while performing horizontal distribution, so that uniform and flat distribution can be performed on the whole plane (i.e. horizontal and longitudinal) of the grain bin 10. Therefore, the whole grain bin 10 can be automatically leveled and distributed, grain piles formed by the distributed materials are leveled and even, and ventilation and heat dissipation are convenient.

Furthermore, as shown in fig. 2 to 5, the grain distribution mechanism 400 may include a collecting bin 410 disposed on the circular duct 322, a feeding bin 420 disposed at the top of the collecting bin 410, and a material guide plate 430 protruding from the side of the feeding bin 420. The guide plate 430 extends to the top of the horizontal conveyor belt of the horizontal grain conveyor belt 200, and a belt installation gap 402 for the horizontal grain conveyor belt 200 to pass through is formed between the bottom of the guide plate 430 and the top of the collecting bin 410, so that the horizontal grain conveyor belt 200 can be penetrated through the belt installation gap 402, the grain distribution mechanism 400 slides along the horizontal grain conveyor belt 200 under the driving of the transverse grain distribution mechanism 300, and meanwhile, the horizontal conveyor belt of the horizontal grain conveyor belt 200 can also freely move through the belt installation gap 402. In addition, the feeding bin 420 can be slidably connected to the horizontal bracket of the horizontal grain conveying belt 200 to support the grain distribution mechanism 400.

Moreover, a collecting chamber communicated with the distributing chamber of the circular pipe 322 is formed in the collecting bin 410, and a feeding chamber communicated with the collecting chamber is formed in the feeding bin 420. Moreover, the top of the feeding bin 420 is provided with a feeding hole 422 communicated with the feeding cavity, the feeding hole 422 corresponds to the side edge of the horizontal conveyor belt of the horizontal grain conveyor belt 200, and the guide plate 430 is protrudingly arranged outside the feeding hole 422 and used for intercepting grains conveyed on the horizontal grain conveyor belt 200 into the feeding hole 422 (the arrangement position of the feeding hole is close to the incoming direction of the horizontal conveyor belt, and the connection position of the guide plate 430 is relatively far away from the incoming direction of the horizontal conveyor belt, so that the guide plate 430 is convenient for intercepting grains on the horizontal conveyor belt into the feeding hole 422). Thus, the guide plate 430 can intercept the grain conveyed by the horizontal conveyor belt through the belt mounting gap 402, so that the grain is divided to the feed port 422 arranged at the top of the feed bin 420 under the interception of the guide plate 430, enters the feed cavity of the feed bin 420 through the feed port, enters the material collecting cavity of the material collecting bin 410 through the feed cavity, and finally flows into the material distribution cavity of the annular pipeline 322 from the material collecting cavity, thereby realizing the division of the grain on the horizontal grain conveyor belt 200 into the annular pipeline of the horizontal grain distribution mechanism 300.

Further, in some embodiments, a feeding bin 420 may be disposed on the top of the collecting bin 410, and a material guiding plate 430 is correspondingly disposed on the feeding bin 420. That is, in this embodiment, the grain distribution mechanism 400 has only one feeding bin 420, so that a material guide plate 430 extending above the horizontal conveyor is disposed on the feeding bin 420, and the material guide plate 430 is disposed at one side of the horizontal conveyor, so that grains on the horizontal conveyor can be intercepted from one side.

In addition, in other embodiments, two feeding bins 420 may be disposed on two sides of the top of the collecting bin 410, and each feeding bin 420 is correspondingly provided with a material guiding plate 430. That is, in this embodiment, the grain distribution mechanism 400 may have two feeding bins 420, such that each feeding bin 420 is provided with one guide plate 430 extending above the horizontal conveyor, and the two guide plates 430 are respectively located at two sides of the horizontal conveyor (i.e., each side of the horizontal conveyor is provided with one guide plate 430), so that grains on the horizontal conveyor can be intercepted from two sides simultaneously, and grains on the horizontal conveyor are intercepted in the two feeding bins 420, respectively, such that grains on the horizontal conveyor are intercepted more uniformly.

Further, the two feeding bins 420 can be aligned with respect to the extending line of the horizontal grain conveying belt 200, i.e. the two feeding bins 420 can be aligned with each other and disposed on two sides of the horizontal conveying belt, so that the material can be simultaneously distributed from two sides of the horizontal conveying belt. Moreover, the feeding ports 422 of the two feeding bins 420 are disposed opposite to each other, the two guide plates 430 are also disposed opposite to each other, and the tape mounting gap 402 is formed between the top of the collecting bin 410 and the bottoms of the two guide plates 430. The feeding holes 422 of the two feeding bins 420 are respectively and correspondingly arranged on one side of the horizontal conveyor belt, the two material guide plates 430 also extend from the side edges of the horizontal conveyor belt to the center of the horizontal conveyor belt, and the transported grains can be intercepted and distributed to the respective feeding holes 422 from the two sides of the horizontal conveyor belt. In addition, the feeding ports 422 of the two feeding bins 420 can be arranged oppositely, that is, each feeding port 422 is perpendicular to the central line of the horizontal conveyor belt along the length direction; in addition, the feeding ports of the two feeding bins 420 can also be obliquely corresponding, i.e. each feeding port 422 can face the incoming direction of the horizontal conveyor belt.

Moreover, each guide plate 430 may extend obliquely from the side edge of the feeding bin 420 toward the conveying start end of the horizontal conveyor belt. The material guiding plate 430 can be obliquely arranged, so that the material guiding plate 430 is inclined from the feed opening 422 to the material incoming direction of the horizontal conveyor belt while extending from one side of the horizontal conveyor belt to the other side of the horizontal conveyor belt, grains conveyed by the horizontal conveyor belt are gradually intercepted and distributed, the grains are smoothly guided into the feed opening 422, and the grains are not easy to accumulate at the feed opening 422. In addition, the material guide plate 430 may be provided as a flat plate such that the material guide plate 430 is perpendicular to the horizontal conveyor belt.

Further, the ends of the two guide plates 430 may be integrally connected to each other. The two material guide plates 430 positioned at the two sides of the horizontal conveyor belt are connected into a whole, so that a gap is not left between the two material guide plates 430, and grains on the horizontal conveyor belt can be fully intercepted into the feed port 422; moreover, by connecting the two material guiding plates 430 into a whole, an annular material belt installation gap with a closed periphery can be formed between the material guiding plates 430 and the material collecting bin 410, so that the horizontal conveyor belt can be better conveyed at the material belt installation gap, and meanwhile, the grain distributing mechanism 400 can be better supported. Moreover, the two material guiding plates 430 may be connected to form a V-shaped plate structure, that is, the two material guiding plates 430 are both inclined toward the feeding direction of the horizontal conveyor belt, so as to guide the grains into the feeding hole 422 from both sides.

In addition, as shown in fig. 2 to fig. 4, the circular pipe 322 of the circular distributing structure 320 may include a feeding pipe and a return pipe arranged side by side, and a transition connection pipe connected to an outlet end of the feeding pipe and an inlet end of the return pipe and connected to the distributing frame, the collecting bin 410 of the grain distributing mechanism 400 may be connected to an outlet end of the return pipe and an inlet end of the feeding pipe, the grain circulation pushing mechanism 324 is arranged in the feeding pipe, the transition connection pipe, the return pipe and the collecting bin 410 of the grain distributing mechanism 400, and the discharging funnel 332 of the discharging structure 330 may be arranged at the bottom of the feeding pipe or/and the return pipe (i.e., the discharging funnel 332 may be arranged at the bottom of the feeding pipe, or the discharging funnel 332 may be arranged at the bottom of the return pipe, or both the feeding pipe and the return. Can form annular pipeline structure through inlet pipe, transition connecting pipe, feed back pipe and storehouse intercommunication for grain circulation push mechanism 324 can circulate the propelling movement with grain in inlet pipe, transition connecting pipe, feed back pipe and storehouse 410, thereby makes grain distribute evenly.

Moreover, the grain circulating pushing mechanism 324 may include a pushing driving structure disposed on the transition connection pipe and the grain distribution mechanism 400, and an annular pushing belt structure connected to the pushing driving structure, and the annular pushing belt structure is disposed in the annular pipe 322. The pushing driving structure can drive the annular pushing belt plate structure to circularly move in the annular pipeline 322 formed by the feeding pipe, the transition connecting pipe, the return pipe and the collecting bin, so that the grains in the collecting bin 410 are brought into the feeding pipe, the transition connecting pipe and the return pipe, and the grains are uniformly distributed in the pipelines. Further, the pushing driving structure may include a pushing driving motor disposed on the material distributing frame 310, a driving wheel 3242 with a plate disposed in the transition connection pipe and connected to the pushing driving motor, and a driven wheel 3244 with a plate disposed in the material collecting bin 410 of the grain material distributing mechanism 400; the structure of the endless push belt may include a driving chain 3246 connected to the driving pulley 3242 and the driven pulley 3244 and arranged in a ring shape along the endless pipe 322, and a plurality of discs 3248 protruding from the driving chain 3246 and arranged at intervals along the length direction of the driving chain 3246. Can drive band plate drive wheel 3242 through propelling movement driving motor and rotate, can drive driving chain 3246 and remove to drive band plate from driving wheel 3244 and rotate, can drive a plurality of disc 3248 cyclic movement of locating on driving chain 3246 like this, thereby usable disc 3248 drives the grain in the pipeline and carries out cyclic movement, makes grain evenly distribute in annular duct 322.

In addition, the feeding structure 330 may include a plurality of feeding hoppers 332 uniformly disposed at the bottom of the circular pipe 322 of the circular distributing pipe structure 330, and a connecting rod type hopper opening and closing mechanism 334 disposed at the feeding opening of the feeding hoppers 332, wherein the connecting rod type hopper opening and closing mechanism 334 is used for opening or closing the feeding opening. By uniformly arranging a plurality of blanking funnels 332 at the bottom of the ring-shaped pipe 322 of the ring-shaped material distribution pipe structure 320, uniform blanking can be realized along the extension direction of the ring-shaped pipe 322. Moreover, through setting up connecting rod formula funnel closing mechanism 334 in blanking funnel 332's feed opening department, can open and close blanking funnel 332's feed opening through link structure, can conveniently control the aperture of feed opening to can conveniently adjust the flow size that grain flows from the feed opening, more be favorable to leveling the cloth grain to the granary.

Further, as shown in fig. 5 to 8, the connecting rod type funnel opening and closing mechanism 334 may include a valve plate 3342 hinged to the discharging opening of the discharging funnel 332, and a connecting rod driving structure 3344 disposed on the material distributing frame 310 and connected to the valve plate 3342, wherein the connecting rod driving structure 3344 is configured to drive the valve plate 3342 to rotate so as to close or open the discharging opening. The connecting rod driving structure 3344 rotates the valve plate 3342, so that the valve plate 3342 plugs or opens the feed opening at the bottom of the feeding funnel 332, the opening degree of the feed opening can be adjusted, the flow of grains falling from the feed opening can be adjusted, and different feeding requirements are met.

Furthermore, in some embodiments, the linkage-based funnel opening and closing mechanism 334 can include a linkage drive structure 3344 coupled to the valve plate 3342. The valve plate 3342 can be driven to rotate by arranging the connecting rod driving structure 3344, so that the valve plate 3342 can open or close the feed opening, and the structure is simple.

In addition, in other embodiments, the connecting rod type funnel opening and closing mechanism 334 may include a connecting rod driving structure 3344 respectively connected to two sides of the valve plate 3342. Namely, two connecting rod driving structures 3344 can be arranged at the same time, and can rotate from two sides of the valve plate 3342 at the same time, so that the rotation driving of the valve plate 3342 is more stable and reliable.

Moreover, the link driving structure 3344 may include a linear driving motor 33442 disposed on the cloth holder 310, a driving rod 33444 connected to an output end of the linear driving motor 33442, and a sliding block 33446 slidably connected to the driving rod 33444, wherein the sliding block 33446 is hinged to the valve plate 3342. The linear driving motor 33442 can drive the driving rod 33444 to move up and down, and can drive the sliding block 33446 to slide, so as to drive the valve plate 3342 hinged to the sliding block 33446 to rotate, and the valve plate 3342 can close or open the discharge opening of the discharge funnel 332. In addition, the linear driving motor 33442 can be replaced by other linear driving structures, such as a lead screw nut transmission structure driven by a common motor, or a gear rack transmission structure driven by a common motor.

Moreover, the valve plate 3342 has a hinged end hinged to the bottom of the hopper 332 and a free end remote from the hinged end, on which the slider is hinged. The free end of the valve plate 3342 is rotatable about its hinged end, and the valve plate 3342 is pulled to rotate by a slider 33446 hinged to the free end. In addition, when only one connecting rod driving structure 3344 is provided to drive the valve plate 3342 to rotate, the sidewall of the discharging funnel 332 may be provided with a movable gap 3322 (which may be implemented by forming a notch along the height direction of the sidewall of the discharging funnel 332) for the driving rod 33444 to move up and down. At this time, the driving rod 33444 can be located at the middle position of the bottom of the discharging funnel 332, that is, the sliding block 33446 can be hinged to the middle position of the valve plate 3342, so that the force applied to the valve plate 3342 is balanced, and the valve plate 3342 can be rotated stably.

In addition, when the link-type funnel opening/closing mechanism 334 includes one link driving structure 3344 respectively connected to both sides of the valve plate 3342, both link driving structures 3344 may have the linear driving motor 33442, i.e., each link driving structure 3344 may have the independent linear driving motor 33442 for driving. In addition, when the link-type funnel opening/closing mechanism 334 includes one link driving structure 3344 respectively connected to both sides of the valve plate 3342, the two link driving structures 3344 share the linear driving motor 33442, that is, the two link driving structures 334 are driven by one set of linear driving motor 33442.

Moreover, in some embodiments, the link-type hopper opening and closing mechanism 334 may include a valve plate 3342 simultaneously hinged to the bottoms of the plurality of discharging hoppers 332, at least one sliding block 33446 hinged to the valve plate 3342, and a driving rod 33444 slidably connected to the sliding block 33446. In this embodiment, the discharging openings of the plurality of discharging funnels 332 can be opened and closed simultaneously through one valve plate 3342, and at this time, the valve plate 3342 can be hinged through one or more sliding blocks 33446, so that the discharging openings of all the discharging funnels 332 can be controlled conveniently.

In addition, in other embodiments, the connecting rod type funnel opening and closing mechanism 334 may include a plurality of valve plates 3342 respectively hinged to the bottoms of the plurality of discharging funnels 332 in a one-to-one correspondence manner, a plurality of sliding blocks 33446 hinged to the plurality of valve plates 3342 in a one-to-one correspondence manner, and a driving rod 33444 slidably connected to each of the plurality of sliding blocks 33446. In this embodiment, each valve plate 3342 can open and close the discharge opening of one discharging funnel 332, and all the valve plates 3342 are driven by the same driving rod 33444, so that the opening and closing of each discharge opening can be stably and reliably adjusted.

In addition, when two sides of the horizontal grain conveyor belt 200 are respectively provided with one annular distributing pipe structure 320, the distributing frame 310 may comprise a first bracket and a second bracket (corresponding to two branch brackets) which are slidably disposed on two opposite sidewalls of the grain bin, respectively, wherein the annular distributing pipe structure 320 on one side is connected to the grain distributing mechanism 400 on the first bracket and the horizontal grain conveyor belt 200, and the annular distributing pipe structure 320 on the other side is connected to the grain distributing mechanism 400 on the second bracket and the horizontal grain conveyor belt 200. Moreover, the linear driving motor 33442 may include a first linear motor disposed on the first support and a second linear motor disposed on the second support, and the two ends of the driving rod 33444 are disposed at the output end of the first linear motor and the output end of the second linear motor, respectively, and the first linear motor and the second linear motor are configured to synchronously push the driving rod 33444 to ascend or descend. The two ends of the driving rod 33444 can be driven to ascend and descend simultaneously by the first linear motor and the second linear motor, so that the driving rod 33444 ascends or descends, a valve plate 3342 connected with the driving rod 33444 through a sliding block 33446 is driven to rotate, and the valve plate 3342 is used for opening and closing the discharge port of the discharge funnel 332. In addition, the material distributing frame 310 may further include an intermediate bracket connected to the material collecting bin 410 of the grain material distributing mechanism 400 (the intermediate bracket and the material collecting bin may also be directly integrated), one of the first linear motor and the second linear motor is disposed on the intermediate bracket, and the other of the first linear motor and the second linear motor is disposed on the first bracket or the second bracket.

The above description is only an alternative embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (10)

1. The utility model provides a backward flow formula granary cloth grain system for carry out cloth grain to the granary, its characterized in that includes:

the grain feeding device is arranged outside the granary; and the number of the first and second groups,

the grain conveying and distributing device comprises a horizontal grain conveying belt, a transverse grain distributing mechanism and a grain distributing mechanism, wherein the horizontal grain conveying belt is arranged at the top of a grain bin, the grain distributing mechanism is connected with the horizontal grain conveying belt and the transverse grain distributing mechanism, the horizontal grain conveying belt is correspondingly matched with the grain feeding device and penetrates through the grain distributing mechanism, the transverse grain distributing mechanism is arranged at the top of the grain bin and is staggered with the horizontal grain conveying belt, and the grain distributing mechanism is arranged on the transverse grain distributing mechanism;

the horizontal grain distributing mechanism comprises a distributing frame arranged on the granary in a sliding mode, an annular distributing pipe structure arranged on the distributing frame and correspondingly connected and matched with the grain distributing mechanism, and a discharging structure arranged at the bottom of the annular distributing pipe structure;

the blanking structure comprises a plurality of blanking funnels arranged at the bottom of the annular distributing pipe structure and a connecting rod type funnel opening and closing mechanism arranged at the positions of blanking mouths of the blanking funnels, and the connecting rod type funnel opening and closing mechanism is used for opening or closing the blanking mouths.

2. The return-flow type granary grain distribution system according to claim 1, wherein the connecting rod type funnel opening and closing mechanism comprises a valve plate hinged to the discharge opening of the discharge funnel, and a connecting rod driving structure arranged on the distribution frame and connected with the valve plate, wherein the connecting rod driving structure is used for driving the valve plate to rotate so as to close or open the discharge opening.

3. The return flow type grain distribution system for a grain silo according to claim 2, wherein the link-type funnel opening and closing mechanism comprises one of the link driving structures connected to the valve plate;

or the connecting rod type funnel opening and closing mechanism comprises one connecting rod driving structure respectively connected to two sides of the valve plate.

4. The return flow type grain distribution system for the granary of claim 2, wherein the connecting rod driving structure comprises a linear driving motor arranged on the distribution frame, a driving rod connected with the output end of the linear driving motor, and a sliding block slidably connected with the driving rod, and the sliding block is hinged on the valve plate.

5. The return flow type grain distribution system for the granary of claim 4, wherein the link type funnel opening and closing mechanism comprises one link driving structure respectively connected to both sides of the valve plate, and both link driving structures are provided with the linear driving motor;

or the connecting rod type funnel opening and closing mechanism comprises two connecting rod driving structures which are respectively connected to two sides of the valve plate, and the two connecting rod driving structures share the linear driving motor.

6. The return flow type grain distribution system for a granary of claim 4, wherein the link type hopper opening and closing mechanism comprises one valve plate hinged to the bottoms of a plurality of the discharging hoppers at the same time, at least one sliding block hinged to the valve plate, and one driving rod slidably connected to the sliding block;

or, connecting rod formula funnel closing mechanism include respectively with a plurality of unloading funnel bottom one-to-one articulated a plurality of valve plate, with a plurality of valve plate one-to-one articulated a plurality of the slider, and with a plurality of the equal sliding connection's of slider the actuating lever.

7. The return flow type grain distribution system for a grain bin of claim 4, wherein the distribution frame comprises a first bracket and a second bracket respectively arranged on two opposite side walls of the grain bin in a sliding manner;

the linear driving motor comprises a first linear motor arranged on the first support and a second linear motor arranged on the second support, the two ends of the driving rod are respectively arranged at the output end of the first linear motor and the output end of the second linear motor, and the first linear motor and the second linear motor are used for synchronously pushing the driving rod to ascend or descend.

8. The return flow granary dispensing system of claim 4, wherein the valve plate has a hinged end hinged to the bottom of the discharge hopper, and a free end distal from the hinged end, the slider being hinged to the free end;

a movable gap for the driving rod to move up and down is formed in the side wall of the discharging hopper.

9. The return flow type grain distribution system for the grain bin of claim 1, wherein the transverse grain distribution mechanism comprises two annular distribution pipe structures arranged on the distribution frame, and the grain distribution mechanism is correspondingly connected between the two annular distribution pipe structures;

the annular material distribution pipe structure comprises an annular pipeline and a grain circulating pushing mechanism, wherein the annular pipeline is arranged on the material distribution frame and provided with an annular material distribution cavity, the grain circulating pushing mechanism is arranged in the annular material distribution cavity of the annular pipeline, the annular pipeline and the grain distributing mechanism are correspondingly connected and matched, and the blanking structure is arranged at the bottom of the annular pipeline.

10. The return-flow type grain distribution system for the granary of claim 9, wherein the annular pipeline comprises a feeding pipe and a return pipe which are arranged side by side, and a transition connecting pipe which is communicated with an outlet end of the feeding pipe and an inlet end of the return pipe and is connected to the distribution frame, the grain distribution mechanism is communicated with an outlet end of the return pipe and an inlet end of the feeding pipe, and the blanking structure is arranged at the bottom of the feeding pipe or/and the return pipe;

the grain circulation pushing mechanism comprises a transition connecting pipe, a pushing driving structure on the grain distribution mechanism and an annular pushing belt plate structure connected with the pushing driving structure, and the annular pushing belt plate structure is arranged in the annular pipeline.

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