Unloading device of grain unloading machine

By introducing a handwheel and mechanical transmission control baffle into the grain unloader, combined with a stirring rod and impact mechanism, the problems of flow control and blockage were solved, thereby improving the service life and working efficiency of the grain unloader.

CN223704216UActive Publication Date: 2025-12-23ZHENGZHOU YIHE SILO ENG CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520368489.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-05
Publication Date
2025-12-23
Estimated Expiration
2035-03-05

AI Technical Summary

Technical Problem

The unloading devices of existing grain unloading machines cannot effectively control the grain flow rate. When the flow rate is too high, it may damage the conveyor belt, and when the flow rate is too low, it may cause grain blockage. In addition, the degree of mechanization in loading and unloading is low, and the labor intensity of workers is high.

Method used

A grain unloading machine unloading device was designed. By setting a handwheel, control box and baffle, the flow rate of the discharge port is controlled by mechanical transmission. It is also equipped with a stirring rod and impact mechanism to achieve precise flow rate adjustment and blockage removal.

Benefits of technology

It achieves precise control of grain flow, avoids damage to the conveyor belt, improves equipment lifespan, and effectively clears blockages, reducing the labor intensity of workers.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223704216U_ABST
    Figure CN223704216U_ABST
Patent Text Reader

Abstract

The utility model discloses an unloading device of a grain unloading machine, and relates to the technical field of unloading devices. The device comprises a bottom plate and fixing rods, the bottom plate is fixedly connected between the two fixing rods, and the top face of the bottom plate is fixedly connected with an operation box and a discharging box; and the inner bottom wall of the operation box is rotationally connected with a limiting ring, and the top surface of the limiting ring is fixedly connected with a threaded rod. By arranging the operation box, the limiting ring and the threaded rod which are matched with each other, the threaded rod can only rotate in the operation box, when a rotating hand wheel drives the threaded rod to rotate, an inner threaded block and a hinge block can move up and down, so that a hinge rod and a moving rod are driven to move left and right, and a baffle on a discharging opening is closed and opened; the design is ingenious in that the advantages of mechanical transmission are utilized, the baffle can be closed and opened by rotating the hand wheel, the flow of the discharging port is controlled, the situation that too large flow possibly causes large impact on the conveying belt is avoided, and the service life of equipment is prolonged.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model belongs to unloading device technical field, especially, relate to a kind of unloading device of grain unloading machine. BACKGROUND

[0002] At present, the wide use of four technologies of grain discharge in various scale grain depot enterprises in China has brought fundamental changes to warehouse management, but the comprehensive application to old warehouse enterprises involves many practical difficulties. Through practice, we found that by technical transformation of the warehouse conditions of the original warehouse enterprise, the warehouse often needs to transfer and purchase grain. In recent years, it is difficult to recruit porters who carry 70-90 kg of grain bags, causing a shortage of loading and unloading workers when unloading trains and ships during the peak of grain conversion, slow progress of warehouse entry, and stage-by-stage compression of railway wagons. The fundamental reason for the current situation is the low degree of mechanization of loading and unloading, the use of several conveying vehicles for climbing piles, the low popularization rate, and the high labor intensity of workers. The storage method is unreasonable, the grain pile is small, and the warehouse utilization rate is low. The workload of the custodian is heavy, and the contact with harmful gases is long. The unloading of purchased grain is particularly obvious. This situation does not meet the needs of grain circulation, and under the requirement of "four scattering" of grain, it is necessary to mechanize the grain logistics.

[0003] At present, the unloading switch of most grain unloading machines adopts a composite electromagnetic switch with a ceiling fan. Only two functions of opening and closing are available, and the flow cannot be controlled, which may cause many problems. When the grain flow is large, the conveying belt may be damaged, and when the flow is small, the grain may be blocked. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of unloading device of grain unloading machine, by being provided with hand wheel, operating box and baffle, utilize the advantage of mechanical transmission, so that rotating hand wheel can open and close baffle, control the flow of discharge port, solve the flow of grain cannot be fine-tuned control, when the grain flow is large, the conveying belt may be damaged, and when the flow is small, the grain may be blocked.

[0005] To solve the above technical problems, the utility model is realized by the following technical solutions:

[0006] The utility model is a kind of unloading device of grain unloading machine, including bottom plate and fixed rod, two fixed rods are fixedly connected with bottom plate between the fixed rod, the top surface of the bottom plate is fixedly connected with operating box and unloading box;

[0007] The inner bottom wall of the operation box is rotationally connected with a limiting ring, the top surface of the limiting ring is fixedly connected with a threaded rod, the top end of the threaded rod is fixedly connected with a hand wheel, the outer wall of the threaded rod is threadedly sleeved with an inner threaded block, the outer wall of the inner threaded block is fixedly connected with two hinged blocks, the sides of the two hinged blocks away from the inner threaded block are both hingedly connected with a hinged rod, the ends of the two hinged rods away from the hinged blocks are both rotationally connected with a moving rod, and the ends of the two moving rods away from the hinged rods are both fixedly connected with a baffle.

[0008] Further, the discharging box comprises a protection shell fixedly connected to the top surface of the bottom plate, an inner wall of the discharging box is fixedly connected with a hopper, the bottom surface of the hopper is fixedly connected with a baffle stabilizing frame, and the inner wall of the baffle stabilizing frame is in sliding connection with the baffle.

[0009] Further, an inner wall of the discharging box is fixedly connected with a motor box, an inner wall of the motor box is fixedly connected with a motor one, and the output end of the motor one is fixedly connected with a rotating shaft one through a shaft coupling.

[0010] Further, the outer wall of the rotating shaft one is fixedly connected with a stirring rod, a plurality of stirring columns are fixedly connected to the outer wall of the stirring rod, and the stirring rod rotationally penetrates the hopper, and the plurality of stirring columns are located inside the hopper.

[0011] Further, the bottom plate is provided with a discharging port, the discharging port is located below the hopper, and an inner wall of the discharging box is fixedly connected with an impact box.

[0012] Further, an inner wall of the impact box is fixedly connected with a motor two, the output end of the motor two is fixedly connected with a rotating shaft two through a shaft coupling, and the outer wall of the rotating shaft two is fixedly connected with a half gear.

[0013] Further, the right side of the impact box is in sliding connection with a cylinder, the right end of the cylinder slidingly extends to the inside of the impact box, the right end of the cylinder is fixedly connected with a rack, the rack is in meshing connection with the half gear, the outer wall of the cylinder is wound with a spring, one end of the spring is fixedly connected with the rack, the other end of the spring is fixedly connected with the inner wall of the impact box, the right end of the rack slidingly extends to the outside of the impact box, the right end of the rack is fixedly connected with a striking head, and the right end of the striking head is in contact with the hopper.

[0014] The utility model has the following beneficial effects:

[0015] 1. By setting the operating box, the limiting ring and the threaded rod are matched, so that the threaded rod can only rotate in the operating box, when the hand wheel drives the threaded rod to rotate, the inner threaded block and the hinged block will move up and down, thereby driving the hinged rod and the moving rod to move left and right, so that the baffle on the discharge port is closed and opened, the cleverness of this design is that the rotating hand wheel can close and open the baffle, control the flow of the discharge port, avoid the large flow which may cause a large impact on the conveyor belt, and improve the service life of the equipment.

[0016] 2. By setting the stirring motor, the rotating shaft can drive the stirring shaft to rotate, and then drive the stirring column to rotate, and by setting the vertical plate, the rotation is more stable, when the impact motor rotates, the impact motor shaft and the impact gear are driven to rotate, thereby pushing the rack and the impact head to move towards the hopper, and by setting the spring column and the spring, the rack can be pulled back, the cleverness of this design is that when the hopper below is blocked, the blocked food can be dredged through the stirring column, and at the same time, the impact head is set to continuously impact the hopper, so that the hopper produces slight vibration, thereby making the unloading more smoothly.

[0017] Of course, any product implementing the present application does not necessarily need to achieve all the advantages described above. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0019] Figure 1 It is a structural schematic diagram of the present application;

[0020] Figure 2 It is a whole rear view cross-sectional structural schematic diagram of the present application;

[0021] Figure 3 It is a whole cross-sectional structural schematic diagram of the present application;

[0022] Figure 4 It is a local cross-sectional structural schematic diagram of the present application;

[0023] Figure 5 It is Figure 4 It is an enlarged structural schematic diagram of A in the middle.

[0024] In the drawings, the component list represented by each number is as follows:

[0025] 1, bottom plate; 2, operating box; 3, discharge box; 4, fixed rod; 5, conveyor belt; 21, limit ring; 22, threaded rod; 23, hand wheel; 24, internal thread block; 25, hinged block; 26, hinged rod; 27, moving rod; 28, baffle; 29, baffle stabilizer; 32, hopper; 33, motor box; 34, motor one; 35, rotating shaft one; 36, stirring rod; 38, stirring column; 39, impact box; 310, discharge port; 391, motor two; 392, rotating shaft two; 393, half gear; 394, rack; 395, impact head; 396, cylinder; 397, spring. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0027] Please refer to Figures 1-5 The utility model discloses a kind of discharging device of grain unloading machine, including bottom plate 1 and fixed rod 4, two fixed rod 4 between fixedly connected with bottom plate 1, the top surface of bottom plate 1 is fixedly connected with operating box (2 and discharge box 3;

[0028] The inner bottom wall of operating box 2 is rotatably connected with limit ring 21, the top surface of limit ring 21 is fixedly connected with threaded rod 22, the top end of threaded rod 22 is fixedly connected with hand wheel 23, the outer wall of threaded rod 22 is threadedly sleeved with internal thread block 24, the outer wall of internal thread block 24 is fixedly connected with two hinged blocks 25, the side of two hinged blocks 25 away from internal thread block 24 is hingedly connected with hinged rod 26, the end of two hinged rods 26 away from hinged block 25 is rotatably connected with moving rod 27, the end of two moving rods 27 away from hinged rod 26 is fixedly connected with baffle 28, by being provided with operating box 2, limit ring 21 and threaded rod 22 are mutually matched, so that threaded rod 22 can only rotate in operating box 2, when rotating hand wheel 23 drives threaded rod 22 to rotate, it will make internal thread block 24, hinged block 25 move up and down, to drive hinged rod 26, moving rod 27 move left and right, so that baffle 28 on discharge port 310 is closed and opened, the ingenious part of this design is that the advantage of mechanical transmission is used, so that rotating hand wheel 23 can close and open baffle 28, control the flow of discharge port 310, avoid that too large flow can cause greater impact to conveyor belt 5, improve the service life of equipment.

[0029] The inner wall of the discharge box 3 is fixedly connected with a hopper 32, the bottom surface of the hopper 32 is fixedly connected with a baffle stabilizing frame 29, the inner wall of the baffle stabilizing frame 29 is slidably connected with a baffle 28, the inner wall of the discharge box 3 is fixedly connected with a motor box 33, the inner wall of the motor box 33 is fixedly connected with a motor one 34, the output end of the motor one 34 is fixedly connected with a rotating shaft one 35 through a shaft coupling, the outer wall of the rotating shaft one 35 is fixedly connected with a stirring rod 36, a plurality of stirring columns 38 are fixedly connected to the outer wall of the stirring rod 36, the stirring rod 36 penetrates through the hopper 32 in a rotating mode, and the plurality of stirring columns 38 are located inside the hopper 32, the bottom plate 1 is provided with a discharge port 310, the discharge port 310 is located below the hopper 32, the inner wall of the discharge box 3 is fixedly connected with an impact box 39, the inner wall of the impact box 39 is fixedly connected with a motor two 391, the output end of the motor two 391 is fixedly connected with a rotating shaft two 392 through a shaft coupling, the outer wall of the rotating shaft two 392 is fixedly connected with a half gear 393, the right side of the impact box 39 is slidably connected with a cylinder 396, the right end of the cylinder 396 slidably extends into the impact box 39, the right end of the cylinder 396 is fixedly connected with a rack 394, the rack 394 is meshed with the half gear 393, the outer wall of the cylinder 396 is wound with a spring 397, one end of the spring 397 is fixedly connected with the rack 394, the other end of the spring 397 is fixedly connected with the inner wall of the impact box 39, the right end of the rack 394 slidably extends to the outside of the impact box 39, the right end of the rack 394 is fixedly connected with a striker 395, and the right end of the striker 395 is in contact with the hopper 32. Through the arrangement of the stirring motor 34, the rotating shaft 35 can drive the stirring shaft 36 to rotate, and then drive the stirring column 38 to rotate, and the rotating is more stable through the arrangement of the vertical plate 37. When the impact motor 391 rotates, the impact motor rotating shaft 392 is driven to rotate, thereby driving the rack 394 and the striker 395 to move towards the hopper 32. The rack 394 can be pulled back through the arrangement of the spring cylinder 396 and the spring 397. The ingeniousness of this design lies in that when blockage occurs below the hopper 32, the stirring column 38 can dredge the blocked food, and at the same time, the striker 395 constantly impacts the hopper 32, so that the hopper 32 slightly vibrates, thereby making the discharge more smoothly.

[0030] One specific application of the embodiment is that the limiting ring 21 and the threaded rod 22 are matched with each other to enable the threaded rod 22 to rotate only in the operation box 2. When the rotating handle 23 drives the threaded rod 22 to rotate, the inner threaded block 24 and the hinged block 25 move up and down, thereby driving the hinged rod 26 and the moving rod 27 to move left and right, so that the baffle 28 on the discharge port 310 is closed and opened. The ingeniousness of this design lies in that the rotating handle 23 can close and open the baffle 28 by utilizing the advantage of mechanical transmission, thereby controlling the flow of the discharge port 310 and avoiding that too large flow may cause great impact on the conveying belt 5, thereby improving the service life of the equipment.

[0031] By setting the stirring motor 34, the rotating shaft 35 can drive the stirring shaft 36 to rotate, and then drive the stirring column 38 to rotate, and the vertical plate 37 is arranged to make the rotation more stable, and when the impact motor 391 rotates, it will drive the impact motor rotating shaft 392 and the impact gear 393 to rotate, thereby pushing the rack 394 and the impact head 395 to move towards the hopper 32, and the spring column 396 and the spring 397 are arranged to pull the rack 394 back, the ingenious part of this design is that when the hopper 32 below is blocked, the blocked food can be dredged through the stirring column 38, and at the same time, the impact head 395 constantly impacts the hopper 32, so that the hopper 32 produces slight vibration, thereby making the unloading more smoothly.

[0032] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0033] The preferred embodiments of the above disclosed utility model are only used to help explain the utility model. The preferred embodiments do not describe all the details, nor limit the utility model to the specific embodiments described. Obviously, according to the content of the present specification, many modifications and changes can be made. The present specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that the skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the entire scope and equivalents thereof.

Claims

1. A grain unloading machine unloading device, comprising a base plate (1) and a fixing rod (4), characterized in that: A base plate (1) is fixedly connected between the two fixed rods (4), and an operation box (2) and a discharge box (3) are fixedly connected to the top surface of the base plate (1); The inner bottom wall of the operating box (2) is rotatably connected to a limiting ring (21). A threaded rod (22) is fixedly connected to the top surface of the limiting ring (21). A handwheel (23) is fixedly connected to the top end of the threaded rod (22). An internal threaded block (24) is threadedly fitted on the outer wall of the threaded rod (22). Two hinge blocks (25) are fixedly connected to the outer wall of the internal threaded block (24). A hinge rod (26) is hinged to the side of the two hinge blocks (25) away from the internal threaded block (24). A moving rod (27) is rotatably connected to the end of the two hinge rods (26) away from the hinge block (25). A baffle (28) is fixedly connected to the end of the two moving rods (27) away from the hinge rod (26).

2. The unloading device for a grain unloader according to claim 1, characterized in that, The inner wall of the unloading box (3) is fixedly connected to a hopper (32), and the bottom surface of the hopper (32) is fixedly connected to a baffle stabilizer (29). The inner wall of the baffle stabilizer (29) is slidably connected to the baffle (28).

3. The unloading device for a grain unloader according to claim 2, characterized in that, The inner wall of the unloading box (3) is fixedly connected to a motor box (33), and the inner wall of the motor box (33) is fixedly connected to a motor (34). The output end of the motor (34) is fixedly connected to a rotating shaft (35) via a coupling.

4. The unloading device for a grain unloader according to claim 3, characterized in that, A stirring rod (36) is fixedly connected to the outer wall of the rotating shaft (35). Several stirring columns (38) are fixedly connected to the outer wall of the stirring rod (36). The stirring rod (36) rotates through the hopper (32). Several stirring columns (38) are located inside the hopper (32).

5. The unloading device for a grain unloader according to claim 4, characterized in that, The bottom plate (1) has a discharge port (310) located below the hopper (32), and the inner wall of the unloading box (3) is fixedly connected to an impact box (39).

6. The unloading device for a grain unloader according to claim 5, characterized in that, The inner wall of the impact box (39) is fixedly connected to a second motor (391), and the output end of the second motor (391) is fixedly connected to a second rotating shaft (392) via a coupling. The outer wall of the second rotating shaft (392) is fixedly connected to a half gear (393).

7. The unloading device for a grain unloader according to claim 6, characterized in that, A cylinder (396) is slidably connected to the right side of the impact box (39). The right end of the cylinder (396) extends slidably into the interior of the impact box (39). A rack (394) is fixedly connected to the right end of the cylinder (396). The rack (394) meshes with a half gear (393). A spring (397) is wound around the outer wall of the cylinder (396). One end of the spring (397) is fixedly connected to the rack (394), and the other end of the spring (397) is fixedly connected to the inner wall of the impact box (39). The right end of the rack (394) extends slidably to the outside of the impact box (39). A hammer (395) is fixedly connected to the right end of the rack (394). The right end of the hammer (395) contacts the hopper (32).