Split replaceable feeding space three-dimensional curve material sliding groove

Abstract

The utility model relates to the technical field of material conveying equipment, and discloses a split replaceable feeding space three-dimensional curve sliding chute which comprises a bin body, a feeding unit is arranged in the bin body, two L-shaped connecting bases are arranged below the feeding unit, the outer surface of each L-shaped connecting base is welded to the inner wall of the bin body, and the outer surface of each L-shaped connecting base is welded to the inner wall of the bin body. A transition unit is arranged below the feeding unit, a gradual change unit is arranged below the transition unit, the gradual change unit is connected with the bin body through an L-shaped connecting base, and a standard unit is arranged below the gradual change unit; through the split type structural design, the U-shaped lining plate, the gradually-changed U-shaped inner lining plate and the L-shaped inner lining plate can be independently detached and are convenient to replace, in the whole using process of the sliding chute, if a certain part is damaged, the plate can be directly and independently replaced, the whole sliding chute does not need to be detached, the maintenance time is greatly shortened, the maintenance cost is reduced, and the service life of the sliding chute is prolonged. Meanwhile, the service cycle is greatly prolonged.

Description

Technical Field

[0001] This utility model relates to the field of material conveying equipment technology, specifically a split, replaceable, three-dimensional curved material conveying chute. Background Technology

[0002] In modern industrial production, the storage and transportation of materials are crucial links in the production process. As a key piece of equipment for storing materials, the feeding method and performance of the feeding device have a significant impact on the efficiency of the entire production system and the quality of materials. As a common type of silo feeding equipment, the chute is widely used in industries such as coal, ore, and grain due to its relatively simple structure and efficient use of space. It guides materials to slide down slowly through a spiral structure, which can reduce the impact and breakage of materials to a certain extent and improve the quality of material transportation compared to the traditional straight-cylinder feeding method.

[0003] The modular, replaceable, three-dimensional curved material chute, as a new type of material storage silo feeding equipment, is widely used in industries such as coal, ore, and grain due to its modular structure design and three-dimensional spiral curve layout. This equipment guides the material to slide down layer by layer through a three-dimensional curve, which can effectively reduce the loss of material kinetic energy conversion, reduce collision and breakage between particles, and significantly improve the conveying quality and space utilization compared to the traditional straight cylinder feeding method.

[0004] However, the equipment still faces multiple technical challenges in practical applications: First, the modular structure reveals significant defects in actual maintenance. When a section of the slide is worn or deformed, multiple flange assemblies need to be disassembled as a whole, resulting in an average maintenance cycle of 8-12 hours, which seriously affects production continuity. Second, the anti-breakage performance of the three-dimensional curve design still has room for optimization. Tests on brittle materials such as coal show that the material breakage rate is as high as 18.3% under a 20m drop condition, mainly due to insufficient matching between the radius of curvature and the angle of repose of the material, the high friction coefficient of the lining material (currently 0.15-0.2), and the lack of a dynamic buffer structure. In addition, the conveying stability problem under large drop conditions is particularly prominent. When the drop exceeds 25m and the material flow rate is ≥800t / h, end accumulation, adhesion of sticky materials, and particle classification are prone to occur, resulting in a 12-18% decrease in system efficiency. Utility Model Content

[0005] In view of the above situation and to overcome the defects of the prior art, this utility model provides a split and replaceable three-dimensional curved material chute for feeding space, which aims to solve the problems of low maintenance efficiency, high material breakage rate and poor stability of large drop conveying of split material chutes.

[0006] A split, replaceable, three-dimensional curved material feeding chute includes a hopper body. An infeed unit is located inside the hopper body. Two L-shaped connecting seats are located below the infeed unit. The outer surface of each L-shaped connecting seat is welded to the inner wall of the hopper body. A transition unit is located below the infeed unit, and a gradient unit is located below the transition unit. The gradient unit is connected to the hopper body via the L-shaped connecting seats. A standard unit is located below the gradient unit.

[0007] The beneficial effects of the above technical solution are as follows:

[0008] (1) This solution adopts a split structure design, and the U-shaped liner, the gradient U-shaped inner liner and the L-shaped inner liner can be disassembled separately for easy replacement. If a part is damaged during the use of the material chute, the plate can be replaced directly without disassembling the whole thing, which greatly shortens the maintenance time, reduces the maintenance cost, and significantly increases the service life.

[0009] (2) This scheme utilizes the structure of the sliding chute and the spiral feeding structure of the gradual unit and standard unit so that during the sliding process, part of the material will slide out of the sliding chute, and the other part of the material will adhere to the inner side of the gradual U-shaped inner liner and L-shaped inner liner from top to bottom along the rotational force, and finally slide out through the L-shaped inner liner. This design effectively disperses the impact force of the material, reduces the collision between materials, realizes the function of preventing the lump coal from breaking, and improves the quality of the material. The design of this sliding chute also fully considers the situation of large drop conveying. Through reasonable structural layout and connection method, it can adapt to the material conveying needs of vertical drop of more than 20 meters, and ensure the stability and reliability of material conveying.

[0010] (3) This solution is equipped with a vibration unit and a rust removal and dust suppression unit, which further improves the performance of the material conveying chute. The first servo motor drives the first eccentric wheel to rotate, and the second servo motor drives the second eccentric wheel to rotate. Through the contact of the first anti-slip sleeve and the second anti-slip sleeve with the corresponding components, the feed bin, the gradient U-shaped connecting plate and the L-shaped fixing plate are vibrated, which can effectively prevent the material from accumulating and blocking in the material conveying chute, ensure the smooth sliding of the material, and improve the smoothness and efficiency of material conveying. The storage box can store the water-based rust-preventive paint mixture, and the pneumatic diaphragm pump draws the mixture from the storage box. The mixture is delivered to the air atomizing nozzles through the main connecting pipe, flow pipe, and branch pipe, and evenly sprayed onto the surface of each component of the material chute. The four spray points allow the mixture to cover the entire material chute. The water-based rust-preventive paint mixture can chemically react with the rust on the surface of the material chute, transforming the rust into a stable rust-preventive substance, thus playing a role in rust removal and rust prevention, extending the service life of the material chute. On the other hand, the dense protective film formed after drying can effectively prevent dust adhesion and deposition, reduce dust around the material chute, improve the working environment, and also help improve the quality of materials. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0012] Figure 2 This is a top view of the structure of the container body of this utility model;

[0013] Figure 3 This is a structural schematic diagram of the U-shaped liner and the L-shaped inner liner of this utility model;

[0014] Figure 4 This is an enlarged structural schematic diagram showing some details of this utility model;

[0015] Figure 5 This is an enlarged structural schematic diagram of the second eccentric wheel of this utility model;

[0016] Figure 6 This is a detailed enlarged structural diagram of the diversion tube of this utility model, viewed from the front.

[0017] Figure 7 This is a detailed enlarged structural diagram of the air atomizing nozzle of this utility model;

[0018] Figure 8 This is an exploded structural diagram of the gradient U-shaped connecting plate of this utility model;

[0019] Figure 9 This is a schematic diagram of the structure of the first nut of this utility model;

[0020] Figure 10 This is an exploded structural diagram of the L-shaped fixing plate of this utility model;

[0021] Figure 11 This is a schematic diagram of the flow tube of this utility model;

[0022] Figure 12 This is a partial structural diagram of the feed hopper of this utility model;

[0023] Figure 13 This is a schematic diagram of the bottom sliding plate of this utility model;

[0024] Figure 14 This is a schematic diagram of the structure of the electric telescopic pole of this utility model. Detailed Implementation

[0025] The foregoing and other technical contents, features and effects of this utility model are described in conjunction with the appendix below. Figures 1 to 14 As will be clearly shown in the detailed description of the embodiments, all structural contents mentioned in the following embodiments are based on the accompanying drawings.

[0026] Example 1: This example provides a split, replaceable, three-dimensional curved material feeding chute, such as... Figure 1-14 As shown, the device includes a silo body 1. Inside the silo body 1, there is a feeding unit. Below the feeding unit, there are two L-shaped connecting seats 5. The outer surface of each L-shaped connecting seat 5 is welded to the inner wall of the silo body 1. Below the feeding unit, there is a transition unit. Below the transition unit, there is a gradient unit. The gradient unit is connected to the silo body 1 through the L-shaped connecting seats 5. Below the gradient unit, there is a standard unit. Outside the feeding unit, there is a vibration unit located inside the silo body 1. The vibration unit is located outside the feeding unit, below the gradient unit, and below the standard unit. The vibration unit includes a rust removal and dust suppression unit located inside the silo body 1. The rust removal and dust suppression unit is located below the feeding unit, the transition unit, the gradient unit, and the standard unit.

[0027] In this embodiment, the silo 1 provides the storage space and basic support for the entire device. The feeding unit, as the material inlet, is responsible for receiving the material. Since the feeding unit is fixed to the top of the silo by external steel cables, the external connecting equipment bears its weight and keeps it stable, so that the feeding unit is in a suitable position inside the silo 1, creating conditions for the material to enter the chute. The L-shaped connecting seat 5 mainly plays a positioning and partial support role at this time. It is fixed to the inner wall of the silo 1 and provides a connection point for the installation of the transition unit, ensuring that the relative position between the transition unit and the silo 1 is fixed, thus building a basic framework for the subsequent material conveying between the units. The transition unit is also lifted by the external connecting equipment to maintain its stable position below the feeding unit, ensuring that the material can smoothly transition from the feeding unit to the transition unit. The vibration unit improves the material feeding efficiency during the feeding process, and the rust removal and dust suppression unit can ensure the feeding performance of the entire curved chute and extend the replacement cycle.

[0028] Example 2, based on Example 1, is improved in that, as follows: Figure 1-14 As shown, the top of the hopper body 1 is provided with three feeding hoppers 2 located on the top of the L-shaped connecting seat 5. The feeding unit includes four first connecting flanges 14 located on the outside of the feeding hopper 2. The outer surface of one feeding hopper 2 is fixedly connected to the outer surface of two of the first connecting flanges 14. The outer surfaces of the other two feeding hoppers 2 are fixedly connected to the outer surfaces of the other two first connecting flanges 14 respectively. Four first fixing bolts 15 are installed through the face-to-face contact point of each pair of first connecting flanges 14.

[0029] In this embodiment, the material enters from the outside into the feeding unit consisting of three feeding bins 2. The three feeding bins 2 are connected by a first connecting flange 14 and a first fixing bolt 15. The connection of each feeding bin 2 by the first fixing bolt 15 allows for easy disassembly and replacement. The feeding bins 2 are fixed to the top of the bin by external steel cables to maintain stability. The material slides out from the bottom opening of the feeding bin 2 under the action of gravity. Since the feeding bins 2 are firmly connected, the material will not leak or accumulate unevenly due to shaking. The outflowing material directly enters the transition unit below, which is suspended by the external steel cable connection equipment. The external connection equipment ensures that the transition unit stably receives the material.

[0030] Example 3, based on Example 2, is improved in that, as follows: Figure 1-14 As shown, the transition unit includes two U-shaped outer side plates 17 respectively arranged opposite each other at the bottom of the feed hopper 2 at the tail of the feed unit. Each U-shaped outer side plate 17 is provided with a U-shaped liner 3 inside. One end of the two U-shaped outer side plates 17 is fixedly connected to the outer surface of the corresponding feed hopper 2 at the tail of the feed unit. Each U-shaped outer side plate 17 is provided with six second connecting flanges 23 on its outer side. The outer surface of the two U-shaped outer side plates 17 is fixedly connected to the inner wall of two of the second connecting flanges 23. The inner walls of the other four second connecting flanges 23 are fixedly connected to the outer surface of the other two U-shaped outer side plates 17 respectively. Each U-shaped outer side plate 17 is provided with seven second fixing bolts 18 on its outer side. The face-to-face contact of the two second connecting flanges 23 is connected by the seven second fixing bolts 18 through installation. The inner angle of the first connecting flange 14 and the second connecting flange 23 is 90 degrees.

[0031] In this embodiment, the material falling from the feed hopper 2 enters the transition unit. The U-shaped liner 3 and the U-shaped outer plate 17 of the transition unit are connected by the second connecting flange 23 and the second fixing bolt 18 to ensure stability. The U-shaped structure of the U-shaped liner 3 restricts the flow of material, causing it to slide down along a specific trajectory, reducing splashing and scattering. The U-shaped outer plate 17 provides support for the U-shaped liner 3 and enhances the overall stability. The second connecting flange 23 with an inner angle of 90 degrees ensures the accuracy and stability of the connection of the U-shaped outer plate 17. The transition unit is fixed to the top of the hopper by external steel cables to maintain stability when receiving materials. Under the guidance of the U-shaped liner 3, the material smoothly transitions to the transition unit, buffering and adjusting the speed and direction of the material, reducing the impact on the subsequent structure.

[0032] Example 4, based on Example 3, is improved in that, as follows: Figure 1-14As shown, the transition unit includes six transition U-shaped connecting plates 13 located below the last U-shaped outer plate 17 in the transition unit. Each transition U-shaped connecting plate 13 has a transition U-shaped inner liner plate 4 inside. Two third connecting flanges 22 are welded to the outer surface of each transition U-shaped connecting plate 13. The two third connecting flanges 22 are connected to the other two second connecting flanges 23 face-to-face by seven second fixing bolts 18 through installation. In addition, five third fixing bolts 21 are through installation at the face-to-face contact points of every two third connecting flanges 22. The bottom surface of each U-shaped liner plate 3 and the transition U-shaped inner liner plate 4 are connected to the transition unit. Four fourth fixing bolts 19 are fixedly connected to the bottom surface of plate 4. Four first through holes 8 are opened on the inner wall of each U-shaped outer plate 17 and the inner wall of the gradient U-shaped connecting plate 13. The bottom end of each fourth fixing bolt 19 passes through the first through hole 8 and extends to the bottom of the first through hole 8. The outer surface of the bottom end of each fourth fixing bolt 19 is threaded with a first nut 20 through the first through hole 8. The inner angle of the third connecting flange 22 gradually changes from 90 degrees to 110 degrees as the spiral chute extends downward from top to bottom. The height of the inner side plate of the gradient U-shaped connecting plate 13 and the gradient U-shaped inner liner plate 4 gradually disappears from top to bottom, that is, it changes from U-shaped to L-shaped.

[0033] In this embodiment, the material enters the transition unit from the transition unit. The transition U-shaped connecting plate 13 and the transition U-shaped inner liner plate 4 are connected by the fourth fixing bolt 19 and the first nut 20 to form a transition structure. As the material slides down, the height of the side plates of the transition U-shaped connecting plate 13 and the transition U-shaped inner liner plate 4 gradually decreases from top to bottom away from the vertical direction of the bin wall until they disappear, gradually changing from U-shaped to L-shaped. At the same time, the inner angle of the third connecting flange 22 gradually changes from 90 degrees to 110 degrees. This change causes some material to slide out of the chute, dispersing the impact force, while another part of the material adheres to the inner side and slides down. The gradual change of the inner angle of the third connecting flange 22 allows the material to gradually adapt to the change in the shape of the chute, adjust the direction and speed of movement, reduce collisions, and reduce the breakage rate. The L-shaped connecting seat 5 plays a supporting role at this time, bearing the weight of the transition unit and ensuring that the transition unit is stable in the bin 1, so that the material can be stably conveyed to the standard unit.

[0034] Example 5, based on Example 4, is improved in that, as follows: Figure 1-14As shown, the standard unit includes several L-shaped fixing plates 16 located below the two gradient U-shaped connecting plates 13 at the end of the gradient unit. Each L-shaped fixing plate 16 has an L-shaped inner liner plate 6 inside. Four fifth fixing bolts 10 are installed through the two side contact points of each L-shaped fixing plate 16. The two L-shaped fixing plates 16 are connected to the last two third connecting flanges 22 through the contact points of each other by seven additional third fixing bolts 21. Four sixth fixing bolts 24 are fixedly connected to the outer surface of each L-shaped inner liner plate 6. Four second through holes 9 are opened on the outer surface of each L-shaped fixing plate 16. One end of each sixth fixing bolt 24 passes through the second through hole 9 and extends to one side of the L-shaped fixing plate 16. A second nut 7 is threaded onto the outer surface of each sixth fixing bolt 24. The inner angles of the L-shaped fixing plate 16 and the L-shaped inner liner plate 6 are both 110 degrees.

[0035] In this embodiment, the material adjusted by the gradient unit enters the standard unit. The L-shaped fixing plate 16 and the L-shaped inner liner plate 6 are connected by the fifth fixing bolt 10, the sixth fixing bolt 24, the second nut 7, and the second through hole 9 to form a stable conveying channel. The L-shaped structure with an inner angle of 110 degrees is adapted to the gradient unit and can receive the material conveyed by the gradient unit. The L-shaped inner liner plate 6 provides a stable sliding surface for the material. The material continues to slide down its surface. Under the restriction and guidance of the L-shaped structure, the movement trajectory is more stable. Finally, the material slides out of the chute through the standard unit, completing the material conveying process and ensuring the accuracy and efficiency of the conveying. The weight of the standard unit is borne by the connection structure with the gradient unit, while maintaining stability in the entire system.

[0036] Example 6, based on Example 5, is improved in that, as follows: Figure 1-14 As shown, each L-shaped fixing plate 16 is provided with an L-shaped connecting frame 11 on its outer side. The vertical outer surface of each L-shaped connecting frame 11 is welded to the inner wall of the silo body 1. A seventh fixing bolt 12 is installed through the contact point between each L-shaped connecting frame 11 and the surface of the silo body 1. The upper surface of the horizontal support of each L-shaped connecting frame 11 is welded to the bottom outer surface of the flange splice of two adjacent L-shaped fixing plates 16. The upper surface of the horizontal support of each L-shaped connecting seat 5 is welded to the bottom surface of two adjacent third connecting flanges 22.

[0037] In this embodiment, the vertical outer surface of the L-shaped connecting frame 11 is welded to the inner wall of the silo 1 to enhance the connection strength between the standard unit and the silo 1. The upper surface of the horizontal support of the L-shaped connecting frame 11 is welded to the bottom outer surface of the flange splice of the L-shaped fixing plate 16 to firmly fix the standard unit in the silo 1, preventing the standard unit from shaking or shifting during material conveying. The upper surface of the L-shaped connecting seat 5 is welded to the bottom surface of the third connecting flange 22 to further enhance the connection stability between the gradient unit and the silo 1. Through the synergistic effect of the L-shaped connecting frame 11 and the L-shaped connecting seat 5, the entire material chute system is more firmly installed in the silo 1, and can withstand the impact and vibration generated by the conveying of materials with large drops, ensuring the safety and reliability of the material chute system in long-term operation.

[0038] Example 7, based on Example 5, is improved in that, as follows: Figure 1-14As shown, each of the four L-shaped fixed plates 16 has a second eccentric wheel 55 at its bottom. The vibration unit includes two protective baffles 25 located outside the feed bin 2. The outer surface of each protective baffle (25) is connected to the outer surface of a feed bin (2) at the tail of the feed unit by three positioning bolts (31). A nut is tightened on one side of the screw of the positioning bolt (31). Two bottom sliding plates 30 and two electric telescopic rods 35 are fixedly connected to the outer surface of one of the feed bins 2. The telescopic end of each electric telescopic rod 35 has A transmission plate 36 is fixedly connected. Vibration plates 27 are fixedly connected to the outer surfaces of both U-shaped outer plates 17. A movable plate 29 is slidably connected inside each bottom slide plate 30. A first sliding groove 37 and a second sliding groove 39 are formed on the outer surface of each bottom slide plate 30. A first slide plate 38 and a second slide plate 40 are fixedly connected to the outer surface of each movable plate 29. One end of each transmission plate 36 is fixedly connected to the outer surface of the second slide plate 40. The outer surfaces of each first slide plate 38 and second slide plate 40 are respectively connected to the first sliding groove 37. The internal sliding connection between the inner and second sliding grooves 39 is as follows: A first servo motor 28 is fixedly connected to the upper surface of each moving plate 29; a first drive shaft 33 is fixedly connected to the output end of each first servo motor 28; a first eccentric wheel 34 is fixedly connected to the outer surface of each first drive shaft 33; a first anti-slip sleeve 32 is fixedly connected to the outer surface of each first eccentric wheel 34; and the outer surface of each first anti-slip sleeve 32 is in contact with the outer surface of the vibrating plate 27. Six second servo motors 52 are installed inside the chamber 1. Each chamber has three second servo motors... The outer surface of 52 is fixedly connected to the outer surface of one of the L-shaped connecting seats 5 and the outer surface of two of the L-shaped fixing plates 16 respectively. The output end of each second servo motor 52 is fixedly connected to a second drive shaft 53. The outer surface of each second drive shaft 53 is fixedly connected to the inner wall of the second eccentric wheel 55. The outer surface of each second eccentric wheel 55 is fixedly connected to a second anti-slip sleeve 54. The outer surface of every three second anti-slip sleeves 54 is in contact with the outer surface of one of the gradient U-shaped connecting plates 13 and the outer surface of two of the L-shaped fixing plates 16 respectively.

[0039] In this embodiment, when there is a large amount of material, to prevent material accumulation, the entire curved material chute needs to be vibrated to increase the feeding speed. When material accumulates, the first servo motor 28 directly drives the first transmission shaft 33 to rotate, which in turn drives the first eccentric wheel 34 to rotate. The first eccentric wheel 34 can drive the first anti-slip sleeve 32 to rotate. The first eccentric wheel 34 can rotate irregularly around the first transmission shaft 33. At this time, the electric telescopic rod 35 drives the transmission plate 36 to move towards the feed bin 2. The transmission plate 36 can drive the moving plate 29 to move inside the bottom slide plate 30 through the second slide plate 40. At the same time, the moving plate 29 can drive the first slide plate 38 to slide inside the first sliding groove 37 to ensure its own sliding stability. When the first anti-slip sleeve 32 contacts the vibrating plate 27, the electric telescopic rod 35 stops. The extension distance of the electric telescopic rod 35 can be controlled by the control device. The first eccentric wheel 34 and the first anti-slip sleeve 32 can continuously collide with the vibrating plate 27 through eccentric rotation. During the collision process, the vibrating plate 27 can The vibration of the U-shaped outer plate 17 is sufficient to cause it to vibrate. Since the U-shaped outer plate 17 is close to the feed hopper 2, the vibration of the feed hopper 2 also causes it to vibrate, preventing material accumulation. In order to prevent the entire material chute from being pushed, the second servo motors 52 located on the outer surface of one of the L-shaped connecting seats 5 and the outer surface of two of the L-shaped fixing plates 16 are activated. The three second servo motors 52 drive the second transmission shaft 53 to rotate, which in turn drives the second eccentric wheel 55 to rotate. The second eccentric wheel 55 then drives the second anti-slip sleeve 54 to rotate. Since the second anti-slip sleeve 54 is in contact with the outer surface of one of the gradient U-shaped connecting plates 13 and the outer surface of two of the L-shaped fixing plates 16, the vibration generated by the second eccentric wheel 55 directly acts on its surface, causing it to vibrate. Since the first servo motor 28 and the three second servo motors 52 are located near the feed hopper 2 and the U-shaped outer plate 17, and near the gradient U-shaped connecting plate 13 and the two L-shaped fixing plates 16, respectively, they can vibrate the entire curved material chute to prevent material accumulation.

[0040] Example 8, based on Example 5, is improved in that, as follows: Figure 1-14As shown, each of the two L-shaped fixed plates 16 has two storage tanks 26 at its bottom. The rust removal and dust suppression unit includes two flow pipes 43 located above the storage tanks 26. A PLC controller 45, a pneumatic diaphragm pump 41, and an alarm 46 are fixedly connected to the upper surface of each storage tank 26. A capacitive liquid level sensor 47 is fixedly connected to the inner wall of each storage tank 26. The input end of each pneumatic diaphragm pump 41 extends into the interior of the storage tank 26. The output end of each pneumatic diaphragm pump 41 is fixedly connected to a main connecting pipe 42 located above the storage tank 26. One end of each main connecting pipe 42 is fixedly connected to one end of the flow pipe 43. Several first fixing blocks 49 are fixedly connected to the outer surface of each flow pipe 43. The outer surface of each L-shaped fixed plate 16, the outer surface of the L-shaped connecting seat 5, the outer surface of the U-shaped outer side plate 17, and the outer surface of the gradient U-shaped connecting plate 13 are also fixedly connected. All surfaces are fixedly connected to the upper surface of the first fixed block 49. The outer surface of each flow pipe 43 is fixedly connected to four diversion pipes 44. The outer surface of each diversion pipe 44 is fixedly connected to a second fixed block 48. The outer surfaces of every four second fixed blocks 48 are respectively fixedly connected to the outer surfaces of two L-shaped fixed plates 16, the outer surfaces of the gradient U-shaped connecting plates 13 and the outer surfaces of the U-shaped outer plates 17. One end of each diversion pipe 44 is fixedly connected to an air atomizing nozzle 50. The outer surface of each air atomizing nozzle 50 is fixedly connected to a stabilizing bracket 51. The bottom ends of every four stabilizing brackets 51 are respectively fixedly connected to the outer surfaces of two L-shaped fixed plates 16, the outer surfaces of the gradient U-shaped connecting plates 13 and the outer surfaces of the U-shaped outer plates 17. The PLC controller 45 is electrically connected to the pneumatic diaphragm pump 41, the alarm 46 and the capacitive liquid level sensor 47 through wires.

[0041] In this embodiment, when rust removal and dust suppression are required on the curved material chute, the storage tank 26 contains a mixture of water-based rust-preventive paint. A capacitive level sensor 47 is installed on the inner wall of the storage tank 26, which can monitor the liquid level of the mixture in real time and transmit the liquid level information to the PLC controller 45. When the PLC controller 45 determines that rust removal and dust suppression operations are required according to the preset program, the PLC controller 45 will send a start signal to the pneumatic diaphragm pump 41. After the pneumatic diaphragm pump 41 starts, its input terminal will discharge the water from the storage tank 26. The water-based rust-preventive paint mixture in section 6 is extracted and transported to the main connecting pipe 42 through the output end. The main connecting pipe 42 guides the mixture to the flow pipe 43. The flow pipe 43 is fixed to the outer surface of the L-shaped fixing plate 16, the L-shaped connecting seat 5, the U-shaped outer side plate 17, and the gradient U-shaped connecting plate 13 by means of the first fixing block 49. Then, the mixture flows from the flow pipe 43 into the four branch pipes 44 connected to it. The branch pipes 44 are respectively fixed to the outer surface of the corresponding components by means of the second fixing block 48. Finally, the mixture flows through the branch pipes 44. 4. The air atomizing nozzle 50, supported by the stabilizing bracket 51, evenly atomizes and sprays the water-based rust-preventing paint mixture onto the surface of each component of the material conveying chute, achieving rust removal and dust suppression. After the water-based rust-preventing paint mixture is sprayed out, it will continue to slide out with the material, covering the entire curved material conveying chute and achieving the effect of rust removal and dust suppression. Note: Water-based rust-preventing paint: uses water as a solvent, is environmentally friendly, has good penetration and adhesion, and can interact with... The rust on the surface of the material trough undergoes a chemical reaction, transforming it into a stable rust-preventing substance, thus achieving the dual function of rust removal and prevention. At the same time, after drying, a dense protective film forms on the surface of the material trough, effectively preventing dust adhesion and deposition, and reducing dust around the material trough. Throughout the process, if the capacitive liquid level sensor 47 detects that the liquid level of the mixture in the storage tank 26 is too low, it will send a signal to the PLC controller 45. The PLC controller 45 will then control the alarm 46 to sound an alarm, reminding the staff to replenish the mixture in time.

[0042] Working Principle: During use, materials enter the feeding unit from the outside. The main function of the feeding unit is to initially buffer the materials. After the materials enter the feeding hopper 2, because the three feeding hoppers 2 are interconnected and firmly connected, the materials can be distributed relatively evenly among the feeding hoppers 2 under the action of gravity. After initial buffering in the feeding hopper 2, the materials fall into the transition unit under the action of gravity. The transition unit includes four U-shaped liners 3, four U-shaped outer plates 17, and six second connecting flanges 23. One end of the two U-shaped outer plates 17 is connected to the feeding hopper 2 at the end of the feeding unit, and they are connected by the second connecting flanges 23 and the second fixing bolts 18. The inner angles of the first connecting flange 14 and the second connecting flange 23 are both 90 degrees. The speed and impact of the materials falling from the feeding unit are controlled. When the force is relatively large, after entering the transition unit, the U-shaped structure formed by the U-shaped liner 3 and the U-shaped outer plate 17 begins to function. The U-shaped structure of the liner 3 restricts the flow range of the material, guiding it to slide down along a specific trajectory, reducing splashing and scattering. During the descent, the speed and direction of the material are initially adjusted, and the movement trajectory becomes more stable to adapt to subsequent conveying. Because the material sliding on the U-shaped liner 3 generates continuous friction, the inner wall of the U-shaped liner 3 gradually wears down over time. When the wear reaches a certain level, the surface of the U-shaped liner 3 is no longer smooth and flat, and the conveying of material in the transition unit becomes unstable, resulting in material scattering and accumulation, thus affecting conveying efficiency. At this point, only the U-shaped liner 3 needs to be replaced. (The text abruptly ends here, likely due to an incomplete sentence or missing information.) Unscrew the first nut 20 on the fourth fixing bolt 19 of the U-shaped liner 3, and remove the U-shaped liner 3 from the outer U-shaped plate 17. When installing the new U-shaped liner 3, align the fourth fixing bolt 19 on the new liner with the first through hole 8 of the outer U-shaped plate 17 and insert it, then tighten the first nut 20 to secure it. The outer U-shaped plate 17 and the second connecting flange 23 are located on the outside of the U-shaped liner 3 and are usually not severely worn due to material conveying, so they do not need to be replaced frequently. After the material is initially guided by the transition unit, it enters the gradient unit. The gradient unit consists of six gradient U-shaped connecting plates 13 and six gradient U-shaped inner liner plates 4. The gradient U-shaped connecting plates 13 are connected to the second connecting flange 23 of the transition unit through the third connecting flange 22, and simultaneously secured by the third fixing bolt 21. The material is reinforced with the adjacent third connecting flange 22. Both the U-shaped liner 3 and the gradient U-shaped inner liner 4 pass through the first through hole 8 via fourth fixing bolts 19. The outer surface of the fourth fixing bolts 19 is threaded to the inner ring of the first nut 20. The unique feature of the gradient unit is that the inner angle of the third connecting flange 22 gradually changes from 90 degrees to 110 degrees from top to bottom. The height of the side plates of the gradient U-shaped connecting plate 13 and the gradient U-shaped inner liner 4 gradually decreases from top to bottom away from the vertical direction away from the silo wall until they disappear, i.e., changing from a U-shape to an L-shape. After the material enters the gradient unit, as it slides down, the change in the height of the inner side plate of the gradient U-shaped inner liner 4 and the gradual change in the inner angle of the third connecting flange 22 cause some material to slide out of the chute due to the decrease in the height of the inner side plate, thus changing its trajectory.The concentrated impact force of the dispersed material is dispersed; another part of the material continues to slide down along the inner side of the gradient unit due to the rotational force. During this process, the movement trajectory and speed of the material are further adjusted, gradually adapting to the change in the shape of the chute, effectively reducing collisions between materials and between materials and the inner wall of the chute, and reducing the breakage rate of the material. However, due to the friction between the material and the gradient U-shaped inner liner 4 and the collisions between materials, the gradient U-shaped inner liner 4 will gradually wear. When the gradient U-shaped inner liner 4 wears to a certain extent, the accuracy of its gradient structure is affected, and it cannot effectively guide the material, which may increase the breakage rate of the material. At this time, it is only necessary to replace the gradient U-shaped inner liner 4. When replacing, unscrew the first nut 20 and remove the gradient U-shaped inner liner 4 from the gradient U-shaped connecting plate 1. 3. When removing the upper plate and installing the new plate, insert the fourth fixing bolt 19 of the new gradient U-shaped inner liner plate 4 into the corresponding first through hole 8, and then tighten the first nut 20 to fix it. The gradient U-shaped connecting plate 13 and the third connecting flange 22 are both located on the outside of the gradient U-shaped inner liner plate 4 and do not directly contact the material. Under normal circumstances, they will not be damaged by material conveying. After that, the material enters the standard unit. The standard unit consists of several L-shaped inner liner plates 6 and L-shaped fixing plates 16. The L-shaped fixing plate 16 is connected to the third connecting flange 22 of the gradient unit through the third fixing bolt 21. The L-shaped inner liner plate 6 is installed on the L-shaped fixing plate 16 through the sixth fixing bolt 24, the second nut 7 and the second through hole 9. The inner angles of the L-shaped fixing plate 16 and the L-shaped inner liner plate 6 are both 110 degrees. After the material is adjusted by the variable unit, it enters the standard unit. Guided by the L-shaped structure with a 110-degree inner angle, the material slides continuously on the L-shaped inner liner plate 6, resulting in a more stable trajectory. The material continues to slide down the stable track and eventually exits the chute through the standard unit, completing the material conveying process. However, the friction generated by the continuous sliding of the material on the L-shaped inner liner plate 6 will cause wear on the surface of the L-shaped inner liner plate 6. When the L-shaped inner liner plate 6 is severely worn, it cannot provide a stable conveying track for the material. When the material slides out of the chute, it may experience problems such as deviation and unstable speed, affecting the subsequent collection and processing of the material. In this case, it is only necessary to replace the L-shaped inner liner plate 6. When replacing it, unscrew the second nut 7, remove the L-shaped inner liner plate 6 from the L-shaped fixing plate 16, install the new plate, and screw on the second nut 7. The cap 7 can be fixed. The L-shaped fixing plate 16 is directly fixed to the silo body 1 through the L-shaped connecting frame 11. It usually does not wear out due to material conveying and does not need to be replaced. The silo body 1 is stably connected to each unit of the chute through the L-shaped connecting seat 5 and the L-shaped connecting frame 11. The upper surface of the horizontal support of the L-shaped connecting seat 5 is welded to the bottom surface of two adjacent third connecting flanges 22. The L-shaped connecting frame 11 is directly welded to the inner wall of the silo body 1 and further reinforced by the seventh fixing bolt 12. The upper surface of the horizontal support of the L-shaped connecting frame 11 is welded to the bottom outer surface of the flange splice joint of two adjacent L-shaped fixing plates 16. The feed silo 2, the U-shaped outer side plate 17 and the gradient U-shaped connecting plate 13 are all fixed to the top of the silo by external steel cables.These connecting structures are very stable after installation and will not wear out during normal material conveying, requiring no replacement. They ensure the stability of the chute system within the silo 1, withstand the impact and vibration of large-drop material conveying, meet conveying requirements, and prevent material breakage. When material accumulates, the first servo motor 28 directly drives the first drive shaft 33 to rotate, which in turn drives the first eccentric wheel 34 to rotate. The first eccentric wheel 34 can drive the first anti-slip sleeve 32 to rotate, and the first eccentric wheel 34 can rotate irregularly around the first drive shaft 33. At this time, the electric telescopic rod 35 drives the transmission plate 36 to move towards the feed silo 2. The transmission plate 36 can drive the moving plate 29 to move inside the bottom slide plate 30 via the second slide plate 40. The moving plate 29 can drive the first sliding plate 38 to slide inside the first sliding groove 37, ensuring its own sliding stability. When the first anti-slip sleeve 32 contacts the vibrating plate 27, the electric telescopic rod 35 stops. The extension distance of the electric telescopic rod 35 can be controlled by the control device. The first eccentric wheel 34 and the first anti-slip sleeve 32 can continuously collide with the vibrating plate 27 through eccentric rotation. During the collision, the vibrating plate 27 can cause the U-shaped outer plate 17 to vibrate through its own vibration. Since the U-shaped outer plate 17 is relatively close to the feed hopper 2, it also drives the feed hopper 2 to vibrate during the vibration, preventing material accumulation. Secondly, in order to prevent the entire sliding chute from being pushed, the outer surface of one of the L-shaped connecting seats 5 is activated. The second servo motors 52 on the outer surfaces of two L-shaped fixing plates 16 drive the second transmission shaft 53 to rotate, which in turn drives the second eccentric wheel 55 to rotate. The second eccentric wheel 55 then drives the second anti-slip sleeve 54 to rotate. Since the second anti-slip sleeve 54 contacts the outer surfaces of one of the gradient U-shaped connecting plates 13 and the two L-shaped fixing plates 16, the vibration generated by the second eccentric wheel 55 directly acts on these surfaces, causing vibration. Because the first servo motor 28 and the three second servo motors 52 are located near the feed hopper 2 and the U-shaped outer outer plate 17, and near the gradient U-shaped connecting plate 13 and the two L-shaped fixing plates 16, respectively, they can generate vibration across the entire curved material conveying chute to prevent material loss. Material accumulation can easily lead to end-point buildup, adhesion of sticky materials, and particle grading. When rust removal and dust suppression are required in the curved material conveying trough, the storage tank 26 contains a mixture of water-based rust-preventive paint. A capacitive level sensor 47 is installed on the inner wall of the storage tank 26 to monitor the liquid level in real time and transmit the information to the PLC controller 45. When the PLC controller 45 determines that rust removal and dust suppression operations are required according to the preset program, it sends a start signal to the pneumatic diaphragm pump 41. After the pneumatic diaphragm pump 41 starts, its input end draws out the water-based rust-preventive paint mixture from the storage tank 26 and delivers the mixture to the main connecting pipe 42 through its output end. The main connecting pipe 42 then guides the mixture to the flow pipe 43.The flow pipe 43 is fixed to the outer surface of the L-shaped fixing plate 16, L-shaped connecting seat 5, U-shaped outer side plate 17, and gradient U-shaped connecting plate 13 by means of the first fixing block 49. Then, the mixed liquid flows from the flow pipe 43 into the four branch pipes 44 connected to it. The branch pipes 44 are respectively fixed to the outer surface of the corresponding components by the second fixing block 48. Finally, the mixed liquid reaches the air atomizing nozzle 50 through the branch pipes 44. Under the support of the stabilizing bracket 51, the air atomizing nozzle 50 evenly atomizes the water-based rust-preventing paint mixture and sprays it onto the surface of each component of the material chute, playing a role in rust removal and dust prevention. After the water-based rust-preventing paint mixture is sprayed out, it will slide out with the material, making the water-based rust-preventing paint mixture... The paint mixture covers the entire curved material chute, achieving rust removal and dust suppression. Note: This water-based rust-preventive paint uses water as a solvent, is environmentally friendly, and has good penetration and adhesion. It can chemically react with the rust on the surface of the material chute, converting the rust into a stable rust-preventive substance, thus playing a dual role in rust removal and prevention. Simultaneously, after drying, it forms a dense protective film on the surface of the material chute, effectively preventing dust adhesion and deposition, and reducing dust around the chute. Throughout the process, if the capacitive level sensor 47 detects that the mixture level in the storage tank 26 is too low, it will send a signal to the PLC controller 45. The PLC controller 45 will then activate the alarm 46 to sound an alarm, reminding staff to replenish the mixture in time.

[0043] The above description is only for illustrating the present utility model. It should be understood that the present utility model is not limited to the above embodiments, and various modifications that conform to the concept of the present utility model are within the protection scope of the present utility model.

Claims

1. A split, replaceable, three-dimensional curved material feeding chute, comprising a hopper (1), characterized in that: The silo body (1) is equipped with a feeding unit inside. Two L-shaped connecting seats (5) are provided below the feeding unit. The outer surface of each L-shaped connecting seat (5) is welded to the inner wall of the silo body (1). A transition unit is provided below the feeding unit. A gradient unit is provided below the transition unit. The gradient unit is connected to the silo body (1) through the L-shaped connecting seat (5). A standard unit is provided below the gradient unit. A vibration unit located inside the silo body (1) is provided on the outside of the feeding unit. The vibration unit is located on the outside of the feeding unit, below the gradient unit, and below the standard unit. The vibration unit includes a rust removal and dust suppression unit located inside the silo body (1). The rust removal and dust suppression unit is located below the feeding unit, the transition unit, the gradient unit, and the standard unit.

2. The split-type replaceable three-dimensional curved material feeding chute according to claim 1, characterized in that: The top of the hopper body (1) is provided with three feeding hoppers (2) located on the top of the L-shaped connecting seat (5). The feeding unit includes four first connecting flanges (14) located outside the feeding hopper (2). The outer surface of one feeding hopper (2) is fixedly connected to the outer surface of two of the first connecting flanges (14). The outer surfaces of the other two feeding hoppers (2) are fixedly connected to the outer surfaces of the other two first connecting flanges (14). Four first fixing bolts (15) are installed through the face-to-face contact point of each pair of first connecting flanges (14).

3. The split-type replaceable three-dimensional curved material feeding chute according to claim 2, characterized in that: The transition unit includes two U-shaped outer side plates (17) respectively arranged opposite each other at the bottom of the feed bin (2) at the tail of the feed unit. Each U-shaped outer side plate (17) is provided with a U-shaped liner (3). One end of the two U-shaped outer side plates (17) is fixedly connected to the outer surface of the feed bin (2) at the tail of the corresponding feed unit. Each U-shaped outer side plate (17) is provided with six second connecting flanges (23) on its outer side. The outer surface of the two U-shaped outer side plates (17) is fixedly connected to the inner wall of two of the second connecting flanges (23). The inner walls of the other four second connecting flanges (23) are fixedly connected to the outer surface of the other two U-shaped outer side plates (17). Each U-shaped outer side plate (17) is provided with seven second fixing bolts (18). The face-to-face contact of the two second connecting flanges (23) is connected by the seven second fixing bolts (18) installed through the connection. The inner angle between the first connecting flange (14) and the second connecting flange (23) is 90 degrees.

4. The split-type replaceable three-dimensional curved material feeding chute according to claim 3, characterized in that: The transition unit includes six transition U-shaped connecting plates (13) disposed below the last U-shaped outer plate (17) in the transition unit. Each transition U-shaped connecting plate (13) is provided with a transition U-shaped inner liner (4). Two third connecting flanges (22) are welded to the outer surface of each transition U-shaped connecting plate (13). The two third connecting flanges (22) are connected to the other two second connecting flanges (23) at their face-to-face contact points by seven second fixing bolts (18) through installation. In addition, five third fixing bolts (21) are through installation at the face-to-face contact points of every two third connecting flanges (22). The bottom surface of each U-shaped liner (3) and the transition U-shaped inner liner are connected. (4) The bottom surface is fixedly connected with four fourth fixing bolts (19). The inner wall of each U-shaped outer plate (17) and the inner wall of the gradient U-shaped connecting plate (13) are provided with four first through holes (8). The bottom end of each fourth fixing bolt (19) passes through the first through hole (8) and extends to the bottom of the first through hole (8). The outer surface of the bottom end of each fourth fixing bolt (19) is threaded with a first nut (20) through the first through hole (8). The inner angle of the third connecting flange (22) gradually changes from 90 degrees to 110 degrees as the spiral chute extends downward from top to bottom. The height of the inner side plate of the gradient U-shaped connecting plate (13) and the gradient U-shaped inner liner plate (4) gradually disappears from top to bottom, that is, it changes from U-shaped to L-shaped.

5. A split, replaceable, three-dimensional curved material feeding chute according to claim 4, characterized in that: The standard unit includes several L-shaped fixing plates (16) located below the two gradient U-shaped connecting plates (13) at the end of the gradient unit. Each L-shaped fixing plate (16) has an L-shaped inner lining plate (6) inside. Four fifth fixing bolts (10) are installed through the two side contact points of each L-shaped fixing plate (16). The two L-shaped fixing plates (16) are respectively connected to the last two third connecting flanges (22) by seven additional third fixing bolts (21). The outer surface of each L-shaped inner liner (6) is fixedly connected with four sixth fixing bolts (24), and the outer surface of each L-shaped fixing plate (16) is provided with four second through holes (9). One end of each sixth fixing bolt (24) passes through the second through hole (9) and extends to one side of the L-shaped fixing plate (16). The outer surface of each sixth fixing bolt (24) is threaded with a second nut (7). The inner angle of the L-shaped fixing plate (16) and the L-shaped inner liner (6) is 110 degrees.

6. A split, replaceable, three-dimensional curved material feeding chute according to claim 5, characterized in that: Each of the L-shaped fixing plates (16) is provided with an L-shaped connecting frame (11) on its outer side. The vertical outer surface of each L-shaped connecting frame (11) is welded to the inner wall of the silo body (1). Each L-shaped connecting frame (11) is connected to the silo body (1) with a seventh fixing bolt (12) through the surface. The upper surface of the horizontal support of each L-shaped connecting frame (11) is welded to the bottom outer surface of the flange splice of two adjacent L-shaped fixing plates (16). The upper surface of the horizontal support of each L-shaped connecting seat (5) is welded to the bottom surface of two adjacent third connecting flanges (22).

7. A split, replaceable, three-dimensional curved material feeding chute according to claim 5, characterized in that: Each of the four L-shaped fixing plates (16) is provided with a second eccentric wheel (55) at its bottom. The vibration unit also includes two protective baffles (25) located outside the feed bin (2). The outer surface of each protective baffle (25) is connected to the outer surface of one feed bin (2) at the tail of the feed unit by three positioning bolts (31). A nut is tightened on one side of the screw of the positioning bolt (31). Two bottom sliding plates (30) and two electric telescopic rods (35) are fixedly connected to the outer surface of one of the feed bins (2). A transmission plate (36) is fixedly connected to the telescopic end of each electric telescopic rod (35). Vibration plates (27) are fixedly connected to the outer surfaces of the two U-shaped outer side plates (17). A movable plate (29) is slidably connected to the interior of each bottom sliding plate (30). A first sliding groove (37) and a second sliding groove (39) are provided on the outer surface of each bottom sliding plate (30). A first sliding plate (38) and a second sliding plate (40) are fixedly connected to the outer surface of each movable plate (29). One end of each transmission plate (36) is fixedly connected to the outer surface of the second sliding plate (40). The outer surfaces of each first sliding plate (38) and the second sliding plate (40) are respectively connected to the interior of the first sliding groove (37) and the... The second sliding groove (39) is internally slidably connected. Each of the moving plates (29) is fixedly connected to a first servo motor (28) on its upper surface. Each of the first servo motors (28) is fixedly connected to a first drive shaft (33) at its output end. Each of the first drive shafts (33) is fixedly connected to a first eccentric wheel (34) on its outer surface. Each of the first eccentric wheels (34) is fixedly connected to a first anti-slip sleeve (32) on its outer surface. The outer surface of each first anti-slip sleeve (32) is in contact with the outer surface of the vibrating plate (27). The chamber (1) is internally equipped with six second servo motors (52). Every three second servo motors are connected to each other. The outer surface of the servo motor (52) is fixedly connected to the outer surface of one of the L-shaped connecting seats (5) and the outer surface of two of the L-shaped fixing plates (16). The output end of each second servo motor (52) is fixedly connected to a second drive shaft (53). The outer surface of each second drive shaft (53) is fixedly connected to the inner wall of the second eccentric wheel (55). The outer surface of each second eccentric wheel (55) is fixedly connected to a second anti-slip sleeve (54). The outer surface of every three second anti-slip sleeves (54) is in contact with the outer surface of one of the gradient U-shaped connecting plates (13) and the outer surface of two of the L-shaped fixing plates (16).

8. A split, replaceable, three-dimensional curved material feeding chute according to claim 5, characterized in that: Two storage tanks (26) are provided at the bottom of each of the two L-shaped fixed plates (16). The rust removal and dust suppression unit includes two flow pipes (43) located above the storage tanks (26). A PLC controller (45), a pneumatic diaphragm pump (41) and an alarm (46) are fixedly connected to the upper surface of each storage tank (26). A capacitive liquid level sensor (47) is fixedly connected to the inner wall of each storage tank (26). The input end of each pneumatic diaphragm pump (41) extends through the storage tank. Inside (26), the output end of each of the pneumatic diaphragm pumps (41) is fixedly connected to a main connecting pipe (42) located above the storage tank (26). One end of each of the main connecting pipes (42) is fixedly connected to one end of the flow pipe (43). Several first fixing blocks (49) are fixedly connected to the outer surface of each of the flow pipes (43). The outer surface of each of the L-shaped fixing plates (16), the outer surface of the L-shaped connecting seat (5), the outer surface of the U-shaped outer side plate (17), and the gradient U-shaped connecting plate (13) are also fixedly connected. The outer surface of each of the four flow pipes (43) is fixedly connected to the upper surface of the first fixing block (49). The outer surface of each flow pipe (43) is fixedly connected to four branch pipes (44). The outer surface of each branch pipe (44) is fixedly connected to a second fixing block (48). The outer surface of each of the four second fixing blocks (48) is fixedly connected to the outer surfaces of two L-shaped fixing plates (16), the outer surface of the gradient U-shaped connecting plate (13), and the outer surface of the U-shaped outer side plate (17), respectively. Each end is fixedly connected to an air atomizing nozzle (50), and the outer surface of each air atomizing nozzle (50) is fixedly connected to a stabilizing bracket (51). The bottom ends of every four stabilizing brackets (51) are fixedly connected to the outer surfaces of two L-shaped fixing plates (16), the outer surface of the gradient U-shaped connecting plate (13), and the outer surface of the U-shaped outer plate (17), respectively. The PLC controller (45) is electrically connected to the pneumatic diaphragm pump (41), the alarm (46), and the capacitive liquid level sensor (47) through wires.

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