Electric adjusting type material centering device and material conveying device

Abstract

The utility model relates to an electric adjusting type material centering device which is installed on the inner side of a discharging port of a chute, a conveying belt is arranged at the discharging port of the chute, the electric adjusting type material centering device comprises a centering mechanism and an adjusting mechanism, and the adjusting mechanism is suitable for abutting against the centering mechanism so that the adjusting mechanism can drive the centering mechanism to rotate. And the centering mechanism is arranged at the discharge port of the chute and is suitable for adjusting the conveying direction of the materials within the rotating stroke range of the chute, so that the materials always fall in the middle of the conveying belt. According to the centering device, the centering mechanism and the adjusting mechanism are matched with each other to drive the centering mechanism to rotate so as to control the centering mechanism to adjust the flowing path of materials in the chute, so that the materials flowing out of the chute can always fall in the middle of the conveying belt after being adjusted by the centering mechanism, and the problems of deviation, coal scattering and the like of the conveying belt are solved; and the operation safety of the personnel is further ensured.

Description

Technical Field

[0001] This application relates to the field of transmission equipment technology, and in particular to an electrically adjustable material centering device. Additionally, it relates to a material conveying device. Background Technology

[0002] In belt conveying of bulk materials, the transition from one belt to the next requires the use of a chute. A guide chute is designed at the receiving point of the next belt to prevent material from splashing or spilling.

[0003] In practical applications, eccentricity can occur between the upper and lower belt conveyors, and the steering design can lead to severe material imbalance, resulting in issues such as material spillage, severe belt misalignment, belt scratches, and significant dust pollution. To address this, many manufacturers use welded steel plates or install alignment baffles. However, the eccentricity can change with variations in material quality (such as particle size and viscosity) and material conveying volume. Welded steel plates cannot be adjusted, and while alignment baffles exist, operators are reluctant to rotate the lead screw, and rotating the lead screw during operation poses a safety risk and constitutes a violation of operating procedures. Therefore, the problem of eccentricity at the material drop point remains unresolved.

[0004] In view of the above, it is necessary to design an electrically adjustable material centering device to solve problems such as material drop point eccentricity. Summary of the Invention

[0005] Therefore, it is necessary to provide an electrically adjustable material centering device to address the problem of material drop point eccentricity that cannot be solved in the current material conveying process.

[0006] The first aspect of this application provides an electrically adjustable material centering device, installed inside the discharge port of a chute. A conveyor belt is provided at the discharge port of the chute for conveying material output from the chute. The material centering device includes a centering mechanism and an adjusting mechanism. The centering mechanism is located at the discharge port of the chute. The adjusting mechanism is adapted to abut against the centering mechanism so as to drive the centering mechanism to rotate. Within the rotational stroke range of the centering mechanism, the centering mechanism is adapted to receive the material flowing out of the chute and cause the material to flow along the direction defined by the centering mechanism, thereby ensuring that the material always falls in the middle of the conveyor belt.

[0007] In one embodiment, the chute is inclined so that the material flows into the conveyor belt via the inner wall of one side of the chute, and the rotation base of the centering mechanism is located on the inner wall of the other side of the chute.

[0008] In one embodiment, multiple conveyor belts are arranged in parallel to each other, and the discharge port of each chute corresponds to the feed port of each conveyor belt. The multiple chutes arranged at an inclination share the same feed port.

[0009] In one embodiment, the middle of each conveyor belt is horizontally arranged, and the two sides of each conveyor belt are bent upwards at a set angle to form a bend, so that the conveyor belt is formed into a bowl shape.

[0010] In one embodiment, the discharge port of the chute is further provided with a guide chute baffle, which partially covers the discharge port of the chute to suppress dust generated when the material falls into the conveyor belt.

[0011] In one embodiment, the centering mechanism includes an adjustment baffle that is rotatably mounted on the inner wall of the chute via a rotating assembly.

[0012] In one embodiment, the adjusting mechanism includes an adjusting screw and a driving unit, the driving unit being tractively connected to the adjusting screw to drive the adjusting screw closer to or further away from the deflection baffle.

[0013] In one embodiment, when the alignment baffle is in its initial position, the end of the alignment baffle is adapted to abut against the side of the conveyor belt, and at this time there is an angle between the alignment baffle and the inner wall at the outlet of the chute.

[0014] In one embodiment, the adjusting mechanism further includes a control terminal, and the drive unit is electrically connected to the control terminal to control the drive unit to drive the adjusting lead screw to move synchronously via the control terminal.

[0015] The second aspect of this application provides a material conveying device applied to the electrically adjustable material centering device described in the first aspect above.

[0016] In the aforementioned electrically adjustable material alignment device, this alignment device adopts an electromechanical integrated design and is integrated and installed inside the chute outlet, forming a collaborative working system with the downstream conveyor belt. The device consists of an alignment mechanism and an adjustment mechanism. The alignment mechanism is hinged to the chute bending structure via a rotation base point, and the adjustment mechanism uses a screw drive mechanism to drive the alignment mechanism to rotate. During operation, the adjustment mechanism adjusts the deflection angle of the alignment mechanism in real time according to the material flow state. Through mechanical limiting and gravity coupling, it forcibly corrects the material flow direction in the chute, so that the material flow forms a vertical drop trajectory at the outlet, accurately aligning with the transverse center area of ​​the conveyor belt. This device achieves adaptive angle adjustment through a closed-loop control system, which can effectively suppress the drop deviation caused by material particle size fluctuations, chute wear, or equipment vibration, eliminating safety hazards such as conveyor belt deviation and material spillage from the root, significantly improving the operational safety and continuous reliability of the bulk material conveying system, and reducing the safety risks of personnel adjusting the material alignment device, thus ensuring the safety of personnel. Attached Figure Description

[0017] Figure 1 This is a structural diagram of the assembled first electrically adjustable material centering device in the embodiments of this application;

[0018] Figure 2 This is a top view of the first electrically adjustable material centering device in the embodiments of this application;

[0019] Figure 3 This is a side sectional view of the first electrically adjustable material centering device in the embodiments of this application;

[0020] Figure 4 This is a three-dimensional structural diagram of the first electrically adjustable material centering device in the embodiments of this application.

[0021] Explanation of reference numerals in the attached figures:

[0022] 1. Chute; 11. Conveyor chute; 12. Guide chute baffle;

[0023] 2. Conveyor belt; 21. Load-bearing section; 22. Bending section;

[0024] 3. Centering mechanism; 31. Adjustment baffle; 32. Rotating assembly;

[0025] 4. Adjustment mechanism; 41. Adjustment screw; 42. Limit adjustment plate; 421. Adjustment limit groove; 43. Drive unit. Detailed Implementation

[0026] To make the above-mentioned objectives, features, and advantages of this application more apparent and understandable, the specific embodiments of this application are described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a thorough understanding of this application. However, this application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this application. Therefore, this application is not limited to the specific embodiments disclosed below.

[0027] In the description of this application, it should be understood that if terms such as "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" appear, these terms indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

[0028] Furthermore, where the terms "first" and "second" appear, these terms are for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined with "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, where the term "multiple" appears, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0029] This application provides an electrically adjustable material centering device, such as... Figure 1 As shown, the centering device is installed inside the discharge port of the chute 1, and a conveyor belt 2 is provided at the discharge port of the chute 1. The centering device drives the centering mechanism 3 to rotate through the cooperation of the centering mechanism 3 and the adjusting mechanism 4, so as to control the centering mechanism 3 to adjust the flow path of the material in the chute 1, so that the material flowing out of the chute 1 can always fall in the middle of the conveyor belt 2 after being adjusted by the centering mechanism 3, thereby solving the problems of conveyor belt 2 running off track and coal spillage, and thus ensuring the safety of personnel.

[0030] Here, the structure and installation position of the chute 1 and conveyor belt 2 are first described. Multiple chute 1s and multiple conveyor belts 2 are provided, and the multiple conveyor belts 2 are arranged in parallel. The discharge port of the chute 1 corresponds to the feed port of the multiple conveyor belts 2, so that materials can be transported to the feed ports of the multiple conveyor belts 2 through the chute 1, and then the input materials are transported to a specific area through the conveyor belts 2. For example, in this embodiment, two parallel conveyor belts 2 are optionally provided, and therefore two chute 1s are provided corresponding to these two conveyor belts 2. The two chute 1s are inclined towards the corresponding two conveyor belts 2, thus forming a herringbone shape. The two conveyor belts 2 share a common feed port. Therefore, in order to ensure that the material input into the chute 1 can be transported to the two conveyor belts 2 in a basically even manner, the common feed port position, that is, the junction of the two chute 1s, is preferably located in the middle of the two parallel conveyor belts 2. At the same time, during material conveying, it is ensured that the material falls vertically from the top into the common feed port of the two chute 1s as much as possible.

[0031] Furthermore, in order to ensure that the material output from the chute 1 can accurately fall into the middle of the conveyor belt 2, the discharge port structure of the chute 1 was designed. Specifically, when the inclined chute 1 is close to the discharge port, the part of the structure of the chute 1 near the discharge port is bent so that the discharge port of the chute 1 faces the conveyor belt 2 from above, so as to facilitate the control of the position of the material after it flows out of the chute 1.

[0032] like Figure 2-4 As shown, the centering device includes a centering mechanism 3 and an adjusting mechanism 4. The adjusting mechanism 4 is adapted to abut against the centering mechanism 3, thereby driving the centering mechanism 3 to rotate. Furthermore, the centering mechanism 3 is located at the discharge port of the chute 1. Within its rotational stroke range, rotating the centering mechanism 3 adjusts the conveying direction of the material within the chute 1, ensuring that the material always falls in the center of the conveyor belt 2. Thus, the centering device consists of the centering mechanism 3 and the adjusting mechanism 4, which are linked through mechanical contact. The adjusting mechanism 4 is designed to dynamically abut against the centering mechanism 3, driving the centering mechanism 3 to rotate precisely within a preset angle range through linear or rotary motion. This rotation adjusts the material direction, automatically compensating for angular deviations in the chute 1 and uneven material flow, ensuring continuous and balanced material reception on the conveyor belt 2 and reducing the risk of deviation. This device is integrated at the discharge port end of the chute 1. When the centering mechanism 3 rotates, it can adjust the falling trajectory of the material in the chute 1 in real time, forcing the material to flow towards the transverse center area of ​​the conveyor belt 2, thereby eliminating problems such as belt deviation and spillage caused by material offset. Furthermore, the adjustment mechanism 4 supports parameterized angle setting, which can adapt to the conveying needs of materials with different particle sizes and moisture content, enhancing the versatility of the equipment; and the adjustment mechanism 4 enables center material discharge, reducing material splashing loss and significantly improving production efficiency.

[0033] Specifically, because chute 1 is inclined, when material enters through the inlet and exits through the outlet of chute 1, the material will flow along the inner side of the side of the two chute 1 that is closer to each other under the action of gravity. For easier understanding, see [link to relevant documentation]. Figure 1 As shown, the inner walls of the two chutes 1 are respectively designated as the first inner wall and the second inner wall. The first inner walls of the two chutes 1 are relatively close to each other, and the second inner walls of the two chutes 1 are relatively far apart. After the material flows in from the feed inlet of the chutes 1, it flows along the first inner wall under the action of gravity. The second inner wall basically does not participate in guiding the flow path of the material.

[0034] Based on the flow path of the material in the chute 1, the centering mechanism 3 is preferably set on the second inner wall of the chute 1. When the centering mechanism 3 is on the second inner wall of the chute 1, under normal conditions, the rotation base point of the centering mechanism 3 basically does not come into direct contact with the material, thereby protecting the rotation base point of the centering mechanism 3 and preventing the material from damaging the rotation base point of the centering mechanism 3 during the flow process, which in turn affects the normal rotation of the centering mechanism 3.

[0035] Furthermore, the rotation base point of the centering mechanism 3 is preferably set on the bent structure of the part of the chute 1 near the discharge port, and the adjustment mechanism 4 is also set on the bent structure.

[0036] Furthermore, for the inclined chute 1 structure, after the material is input through the inlet, it forms the main flow path along the first inner wall (relatively closer side) of both sides of the chute 1 under the action of gravity, while the second inner wall (relatively farther side) basically does not participate in material guidance. Based on the flow characteristics of this material, this technical solution arranges the centering mechanism 3 on the second inner wall side of the chute 1, and its rotation base point is designed at the bend structure in the discharge port area of ​​the chute 1. The adjustment mechanism 4 is synchronously integrated into the bend 22. Under normal operating conditions, the rotation base point of the centering mechanism 3 is physically isolated from the material flow. Only when adjusting the angle is the lead screw driven by the adjustment mechanism 4 abuts against the baffle, causing the baffle to rotate around the base point to change the discharge direction. This design effectively avoids the risk of material directly scouring the rotation base point through spatial staggered layout, while utilizing the rigidity of the bend structure to ensure the stability of angle adjustment.

[0037] Furthermore, to further ensure that the material does not shift to either side on the conveyor belt 2, the configuration of the conveyor belt 2 needs to be adjusted. Specifically, the conveyor belt 2 includes a support section 21 primarily used to carry the material. This support section 21 is horizontally positioned to receive the material flowing out from the discharge port of the chute 1. The two sides of the support section 21 are bent upwards at a set angle to form bends 22, thereby making the cross-section of the entire conveyor belt 2 bowl-shaped. The bending angles of the bends 22 on both sides of the support section 21 are basically consistent, so that the material can be gathered from both sides towards the bends 22, thereby ensuring that the center of gravity of the material is always on the support section 21. Furthermore, the bend angles of the bends 22 on both sides are basically consistent to avoid excessive pressure on either side of the bend 22, which could cause the conveyor belt 2 to deflect, while also ensuring the centering of the material on the conveyor belt 2.

[0038] As can be anticipated, to address the lateral shift of materials during transport, this solution innovatively designs the conveyor belt 2 structure, employing a bowl-shaped bearing structure with double-sided flow guiding functions. The main body of the conveyor belt 2 consists of a horizontal bearing section 21 and two symmetrically arranged bending sections 22 on both sides capable of guiding flow. The bearing section 21 is horizontally arranged to stably receive the material from the outlet of the chute 1. The two flow guiding bending sections 22 bend upwards at the same angle α to form a continuous curved surface, resulting in a parabolic bowl-shaped structure with the conveyor belt 2 opening upwards. This design, through physical limiting and gravity coupling, allows the material to automatically converge towards the central area (bearing section 21) of the conveyor belt 2 during flow. Simultaneously, the symmetrical skirt structure (bending sections 22) ensures balanced pressure distribution on both sides, preventing conveyor belt 2 from twisting or deviating due to overload on one side of the bearing section 21. In addition, the bending part 22 and the bearing part 21 are made by an integrated hot pressing process, and the surface can be coated with a wear-resistant rubber coating, which can ensure structural strength and reduce the coefficient of friction of materials, thereby reducing the risk of adhesion between materials.

[0039] like Figure 1 As shown, the centering mechanism 3 includes an adjustment baffle 31, which is rotatably mounted on the inner wall of the chute 1 via a rotating assembly 32. The rotating assembly 32 can be a rotating component, which is mounted on the bent portion 22 of the chute 1 via a fixed seat. The adjustment baffle 31 is connected to the rotating component, thereby enabling the adjustment baffle 31 to rotate under the action of the rotating component.

[0040] Specifically, the alignment baffle 31 is installed inside the chute 1, and in the absence of other structural components obstructing it, the rotation stroke of the alignment baffle 31 is sufficient to rotate to abut against the second inner wall. However, due to the installation of the conveyor belt 2, in the initial state, the end of the alignment baffle 31 away from the rotating component 32 abuts against the bent portion 22 of the conveyor belt 2 near the alignment baffle 31. At this time, the alignment baffle 31, in conjunction with the bent portion 22, can guide the material output from the chute 1 onto the bearing portion 21 of the conveyor belt 2 to achieve centered material discharge. In addition, to avoid the chute 1 rotating too much, the rotation angle of the chute 1 needs to be controlled from a physical perspective. Here, the length of the adjustment baffle can be increased so that after the adjustment baffle rotates to a certain angle, the end of the adjustment baffle away from the rotating component 32 will abut against the first inner wall, thereby restricting the adjustment baffle through the first inner wall to prevent the adjustment baffle from rotating too much and failing to guide the flow path of the material, thus hindering the normal flow of the material in the chute 1. Therefore, by setting up the centering mechanism 3 and the adjustment device, the problem of the material not being able to fall in the center when the belt is deviated due to different materials and different flow rates is solved, and the spillage of materials is reduced, thus improving the safe production environment.

[0041] In addition, a guide chute baffle 12 is provided at the discharge port of the chute 1. The guide chute baffle 12 partially covers the side of the discharge port of the chute 1, thereby effectively suppressing the dust generated when the material falls into the conveyor belt 2.

[0042] like Figure 1 As shown, the adjustment mechanism 4 includes an adjustment screw 41 and a drive unit 43. The drive unit 43 is connected to the adjustment screw 41, thereby driving the adjustment screw 41 to move towards or away from the adjustment baffle 31. A limiting adjustment plate 42 is provided between the adjustment screw 41 and the adjustment baffle 31. The limiting adjustment plate 42 has an adjustment limiting groove 421. The end of the adjustment screw 41 is embedded into the adjustment limiting groove 421 via an adjustment member. During the axial movement of the adjustment screw 41, the adjustment member is driven to move along the movable path defined by the adjustment limiting groove 421. At the same time, the adjustment baffle 31 can be driven to rotate around its rotation base point. In addition, when the adjustment baffle 31 is in the initial position, the end of the adjusting screw 41 near the adjustment baffle 31 is suitable to separate from the adjustment baffle 31. When it is necessary to control the adjustment baffle 31 to rotate, the driving unit 43 drives the adjusting screw 41 to move towards the adjustment baffle 31 until the adjusting screw 41 abuts against the adjustment baffle 31. At this time, as the adjusting screw 41 continues to move, it drives the adjustment baffle 31 to rotate around its rotation base point, thereby realizing the angle adjustment of the adjustment baffle 31 at the discharge port of the chute 1.

[0043] The adjustment mechanism 4 employs a composite design of screw drive and contact drive, consisting of an adjusting screw 41, a drive unit 43, and an adjusting baffle 31 forming a transmission chain. The drive unit 43 (e.g., a servo motor or hydraulic motor) converts rotational motion into linear displacement of the adjusting screw 41 via the screw drive mechanism, driving it to feed precisely axially. Initially, the end of the adjusting screw 41 maintains a safe clearance with the adjusting baffle 31. When the discharge direction of the chute 1 needs adjustment, the drive unit 43 activates and pushes the adjusting screw 41 to translate towards the adjusting baffle until the end of the adjusting screw 41 contacts the adjusting baffle. At this point, the continuous axial displacement of the adjusting screw 41 is converted into rotational motion of the adjusting baffle around its hinge point, achieving continuous stepless adjustment of the discharge port angle. Furthermore, this adjustment mechanism 4 supports forward and reverse drive, dynamically compensating for angle deviations caused by material flow deviation or equipment vibration.

[0044] Furthermore, the adjustment mechanism 4 also includes a control terminal (not shown in the figure), which is electrically connected to the drive unit 43. This control terminal can control the operation of the drive unit 43, and the drive unit 43 can then drive the adjusting screw 41 to move synchronously, thereby achieving control of the adjusting screw 41. Controlling and adjusting the adjusting screw 41 through the control terminal reduces the safety risks associated with manual adjustment of the material alignment mechanism 3, and improves personnel safety.

[0045] This application provides a material conveying device that employs an electrically adjustable material centering device as described in any of the above embodiments. The material conveying device includes a conveyor belt 2 and a drive assembly for driving the conveyor belt 2. Thus, the material centering device adopts an electromechanical integrated design and is integrated and installed inside the discharge port of the chute 1, forming a cooperative working system with the downstream conveyor belt 2. The material centering device consists of a centering mechanism 3 and an adjusting mechanism 4. The centering mechanism 3 is hinged to the bent structure of the chute 1 via a rotation base point. The adjusting mechanism 4 uses a screw adjusting mechanism (adjusting screw 41) to drive the centering mechanism 3 to rotate around its rotation base point. During operation, the adjusting mechanism 4 adjusts the deflection angle of the centering mechanism 3 in real time according to the material flow state. Through mechanical limiting and gravity coupling, it forcibly corrects the flow direction of the material in the chute 1, causing the material flow to form a vertical drop trajectory at the discharge port and accurately align with the transverse center area (carrying part 21) of the conveyor belt 2. The device achieves angle adjustment through a closed-loop control system, which can effectively suppress material deviation caused by material particle size fluctuations, chute 1 wear, or equipment vibration, eliminate safety hazards such as conveyor belt 2 deviation and material spillage from the root, and significantly improve the operational safety and continuous operation reliability of the bulk material conveying system.

[0046] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0047] In this application, unless otherwise expressly specified and limited, the use of descriptions such as "above" or "below" the second feature indicates that the first and second features are in direct contact or indirect contact via an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. Similarly, "below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0048] It should be noted that if an element is referred to as being "fixed to" or "set on" another element, it can be directly on the other element or there may be an intervening element. If an element is considered to be "connected to" another element, it can be directly connected to the other element or there may be an intervening element. If so, the terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used in this application are for illustrative purposes only and do not represent the only possible implementation.

[0049] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0050] The embodiments described above are merely illustrative of several implementation methods of this application, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent application. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the protection scope of this application. Therefore, the protection scope of this patent application should be determined by the appended claims.

Claims

1. An electrically adjustable material centering device, installed inside the outlet of a chute, wherein a conveyor belt is provided at the outlet of the chute for conveying the material output from the chute, characterized in that, The material centering device includes a centering mechanism and an adjusting mechanism. The centering mechanism is located at the discharge port of the chute. The adjusting mechanism is adapted to abut against the centering mechanism so as to drive the centering mechanism to rotate. Within the rotation stroke range of the centering mechanism, the centering mechanism is adapted to receive the material flowing out of the chute and cause the material to flow in the direction defined by the centering mechanism so as to drive the material to always fall in the middle of the conveyor belt.

2. The electrically adjustable material centering device according to claim 1, characterized in that, The chute is inclined so that the material flows into the conveyor belt through the inner wall of one side of the chute, and the rotation base point of the centering mechanism is located on the inner wall of the other side of the chute.

3. The electrically adjustable material centering device according to claim 2, characterized in that, Multiple conveyor belts are arranged in parallel to each other, and the discharge port of each chute corresponds to the feed port of each conveyor belt. Multiple chutes arranged at an inclination share the same feed port.

4. The electrically adjustable material centering device according to claim 2, characterized in that, The central bearing portion of each conveyor belt is horizontally arranged, and the two sides of each conveyor belt are bent upwards at a set angle to form a bend, so that the conveyor belt is formed into a bowl shape.

5. The electrically adjustable material centering device according to claim 1, characterized in that, The chute is also provided with a guide chute baffle at the discharge port. The guide chute baffle partially covers the side of the discharge port of the chute to suppress dust generated when the material falls into the conveyor belt.

6. The electrically adjustable material centering device according to claim 1, characterized in that, The centering mechanism includes an adjustment baffle, which is rotatably mounted on the inner wall of the chute via a rotating assembly.

7. The electrically adjustable material centering device according to claim 6, characterized in that, The adjustment mechanism includes an adjustment screw and a drive unit. The drive unit is connected to the adjustment screw to drive the adjustment screw to move closer to or away from the deflection baffle.

8. The electrically adjustable material centering device according to claim 6, characterized in that, When the alignment baffle is in its initial position, the end of the alignment baffle is adapted to abut against the side of the conveyor belt, and at this time there is an angle between the alignment baffle and the inner wall of the discharge port of the chute.

9. The electrically adjustable material centering device according to claim 7, characterized in that, The adjustment mechanism also includes a control terminal, and the drive unit is electrically connected to the control terminal to control the drive unit to drive the adjustment screw to move synchronously via the control terminal.

10. A material conveying device, characterized in that, The electrically adjustable material centering device according to any one of claims 1 to 9 is adopted.

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