A narrow belt conveyor drive device

Abstract

This utility model discloses a narrow belt conveyor drive device, including a fixed frame and conveying rollers. The device features a conveying trough at the top of the fixed frame, with multiple conveying rollers located inside the trough. Each conveying roller is connected to a corresponding pulley, and every two adjacent pulleys are connected by a belt. The pulley at the very end is driven by a motor. Multiple convex rings are provided on the surface of the conveying rollers, with a gap between every two convex rings. A discharge trough is provided at the bottom of the conveying trough. When conveying materials, the motor is started to rotate the very end conveying roller. The belt drive then drives multiple conveying rollers to rotate synchronously to convey the materials. During material conveying, dust particles and other contaminants on the material are discharged through the gaps between the convex rings, preventing interference with material transport.

Description

Technical Field

[0001] This utility model relates to the field of conveyor technology, specifically a drive device for a narrow belt conveyor. Background Technology

[0002] Conveyors have a long history. The ancient Chinese high-speed waterwheel and water-lifting tippler were the prototypes of modern bucket elevators and scraper conveyors. Belt conveyors are currently the main way to transport bulk materials. Conveyors can be classified according to their operation mode as: integrated loading and unloading conveyors, belt conveyors, screw conveyors, bucket elevators, roller conveyors, chain plate conveyors, mesh belt conveyors, and chain conveyors.

[0003] Existing conveyors have the following problems in use: 1. Most existing conveyors use motors to drive single or partial conveyor rollers at the tail or middle for transport. During the transport process, dust particles and other debris from the material fall onto the conveyor rollers and can easily get stuck between two rollers, affecting the operation of the conveyor pipe. 2. The conveying angle of existing conveyors is fixed, which is inconvenient to adjust and makes it difficult to meet different conveying needs. Utility Model Content

[0004] The purpose of this section is to outline some aspects of the embodiments of this utility model and to briefly introduce some preferred embodiments. Simplifications or omissions may be made in this section, as well as in the abstract and title of this application, to avoid obscuring the purpose of these documents; however, such simplifications or omissions should not be used to limit the scope of this utility model.

[0005] In view of the problems existing in the above and / or existing narrow belt conveyor drive devices, this utility model is proposed.

[0006] Therefore, the purpose of this utility model is to provide a narrow belt conveyor drive device. By opening a conveying trough at the top of the fixed frame, multiple conveying rollers are located inside the conveying trough. Each conveying roller is connected to a corresponding pulley. Every two adjacent pulleys are connected by a belt, and the pulley at the very end is driven by a motor. Multiple convex rings are provided on the surface of the conveying rollers, with a gap between every two convex rings. A discharge trough is opened at the bottom of the conveying trough. When conveying materials, the motor is started to drive the last conveying roller to rotate. Through belt transmission, multiple conveying rollers can be driven to rotate synchronously to convey materials. During material conveying, dust particles and other particles on the material are discharged through the gaps between the convex rings to prevent them from affecting the material conveying.

[0007] To solve the above-mentioned technical problems, according to one aspect of the present invention, the present invention provides the following technical solution:

[0008] A narrow belt conveyor drive device, comprising:

[0009] A fixed frame has a conveying groove at its top, the conveying groove is rectangular and its front end extends to the front end of the fixed frame. A mounting plate is installed at the bottom end of the fixed frame. The mounting plate is L-shaped and its short side is fixed to the fixed frame with screws. A motor is installed on the side wall of the mounting plate. The output end of the motor extends out of the side wall of the mounting plate and is equipped with a first pulley. A second pulley is rotatably connected to the side wall of the fixed frame near the tail end. The first pulley and the second pulley are connected by a belt. A groove is opened at the bottom of the conveying groove.

[0010] The conveying roller is cylindrical and is evenly arranged inside the conveying trough. The multiple conveying rollers are located above the trough. Each conveying roller has a shaft at both ends, which is rotatably connected to the inner wall of the conveying trough. One end of the shaft extends out of the side wall of the fixing frame and is equipped with a third pulley. Every two adjacent third pulleys are connected by a belt. The last third pulley is connected to the second pulley by a belt. The outer wall of the conveying roller is evenly provided with multiple convex rings, with a gap between every two convex rings. Both ends of the convex rings have bevels.

[0011] As a preferred embodiment of the narrow belt conveyor drive device of this utility model, it further includes a fixed base, which is installed at the bottom of the fixed frame near the tail end. A support plate is hinged to the top of the fixed base, and the support plate is fixed to the bottom of the fixed frame by screws. A base plate is installed at the bottom of the fixed base, and a convex pad is provided at the bottom of the base plate.

[0012] As a preferred embodiment of the narrow belt conveyor drive device of this utility model, it further includes a sliding seat, which is located at the bottom of the fixed frame near the front end. A sliding plate is hinged to the top of the sliding seat and slidably connected to the bottom of the fixed frame. The bottom of the sliding seat has a support frame, which has an inverted U-shaped structure and the two ends of the bottom of the support frame are located on the ground.

[0013] In a preferred embodiment of the narrow belt conveyor drive device of this utility model, a second motor is installed inside the support frame, the output end of the second motor extends out of the top of the support frame and is equipped with a threaded rod, and a threaded hole is opened at the bottom of the sliding seat, and the threaded rod rotates into the threaded hole.

[0014] In a preferred embodiment of the narrow belt conveyor drive device of this utility model, a guide rod is installed on the top of the support frame, and a guide hole is opened at the bottom of the sliding seat, with the guide rod extending into the guide hole.

[0015] In a preferred embodiment of the narrow belt conveyor drive device of this utility model, the fixed frame has guide grooves on its symmetrical sidewalls, and side plates are installed at both ends of the top of the slide plate. The side plates are located on the sidewalls of the fixed frame, and guide plates are installed on the sidewalls of the side plates. The guide plates are located inside the guide grooves.

[0016] Compared with existing technologies: By opening a conveying trough at the top of the fixed frame, multiple conveying rollers are located inside the conveying trough. Each conveying roller is connected to a corresponding pulley, and every two adjacent pulleys are connected by a belt. The pulley at the very end is driven by a motor. Multiple convex rings are set on the surface of the conveying rollers, with a gap between every two convex rings. A discharge trough is opened at the bottom of the conveying trough. When conveying materials, the motor is started to drive the last conveying roller to rotate. Through belt drive, multiple conveying rollers can be driven to rotate synchronously to convey materials. During material conveying, dust particles and other particles on the material are discharged through the gaps between the convex rings to prevent them from affecting the material conveying. Attached Figure Description

[0017] To more clearly illustrate the technical solutions of the embodiments of this utility model, the present utility model will be described in detail below with reference to the accompanying drawings and detailed embodiments. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Among them:

[0018] Figure 1 This is an overall structural diagram of a narrow belt conveyor drive device according to the present invention;

[0019] Figure 2 This is a structural diagram of a fixing frame for a narrow belt conveyor drive device according to the present invention;

[0020] Figure 3 This is a partial structural diagram of a narrow belt conveyor drive device according to the present invention;

[0021] Figure 4 This is a structural diagram of a slide plate for a narrow belt conveyor drive device according to the present invention. Detailed Implementation

[0022] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0023] Secondly, this utility model is described in detail with reference to the schematic diagrams. When describing the embodiments of this utility model, for ease of explanation, the cross-sectional views showing the device structure may be partially enlarged, not according to the usual scale. Furthermore, the schematic diagrams are merely examples and should not limit the scope of protection of this utility model. In addition, in actual manufacturing, the three-dimensional spatial dimensions of length, width, and depth should be included.

[0024] To make the objectives, technical solutions, and advantages of this utility model clearer, the embodiments of this utility model will be described in further detail below with reference to the accompanying drawings.

[0025] This utility model provides a narrow belt conveyor drive device. A conveying trough is opened at the top of a fixed frame, and multiple conveying rollers are located inside the conveying trough. Each conveying roller is connected to a corresponding pulley, and every two adjacent pulleys are connected by a belt. The pulley at the very end is driven by a motor. Multiple convex rings are provided on the surface of the conveying rollers, with a gap between every two convex rings. A discharge trough is opened at the bottom of the conveying trough. When conveying materials, the motor is started to drive the last conveying roller to rotate. Through belt transmission, multiple conveying rollers can be driven to rotate synchronously to convey materials. During material conveying, dust particles and other contaminants on the material are discharged through the gaps between the convex rings, preventing them from affecting material conveying.

[0026] Example 1

[0027] This solution discloses a narrow belt conveyor drive device, mainly including a fixed frame 100 and a conveying roller 200; the top of the fixed frame 100 is provided with a conveying trough 110, which is rectangular in structure and extends to the front end of the fixed frame 100; a mounting plate 120 is installed at the bottom end of the fixed frame 100, which is L-shaped and its short side is fixed to the fixed frame 100 by screws; a motor 130 is installed on the side wall of the mounting plate 120, and the output end of the motor 130 extends out of the side wall of the mounting plate 120 and is equipped with a first pulley 140; a second pulley 150 is rotatably connected to the side wall of the fixed frame 100 near the tail end, and the first pulley 140 and the second pulley 150 are connected by a belt; the bottom of the conveying trough 110 is provided with a conveying trough 110. The conveyor roller 200 has a slot 160; the conveyor roller 200 is cylindrical, and there are multiple conveyor rollers 200 evenly arranged inside the conveyor trough 110. The multiple conveyor rollers 200 are located above the slot 160. The two ends of the conveyor roller 200 are provided with shafts, which are rotatably connected to the inner wall of the conveyor trough 110. One end of the shaft of the conveyor roller 200 extends out of the side wall of the fixing frame 100 and is equipped with a third pulley 230. Every two adjacent third pulleys 230 are connected by a belt. The third pulley 230 located at the rear is connected to the second pulley 150 by a belt. The outer wall of the conveyor roller 200 is evenly provided with multiple convex rings 210. There is a gap between every two convex rings 210. The two ends of the convex rings 210 have inclined surfaces 220. The motor 130 involved in this solution is existing technology.

[0028] Solution Analysis: This solution designs a power transmission and material conveying system based on the principles of friction drive and force balance. In terms of power transmission, the motor 130 outputs torque to drive the first pulley 140 to rotate. The first pulley 140 and the second pulley 150 transmit power through the static friction of the belt. The elasticity of the belt buffers the impact load during startup, protecting the motor 130 and transmission components. The second pulley 150 transmits power to the last third pulley 230, and then through the belt linkage of adjacent third pulleys 230, all third pulleys 230 rotate synchronously, thereby driving all conveyor rollers 200 to rotate around their shafts. The synchronous rotation of multiple conveyor rollers 200 conforms to the principle of force balance, ensuring that the bottom of the material receives uniform friction, avoiding uneven local force that could cause material shifting or jamming. In terms of material conveying and impurity removal, the convex sleeve 210 increases the contact area with the material, enhancing friction to stably propel the material. The inclined surfaces 220 at both ends of the convex sleeve 210 utilize the inclined surface guiding principle to guide dust particles from the material surface to the gaps between the convex sleeves 210, and then discharge them through the slot 160 at the bottom of the conveying trough 110, preventing dust particles from accumulating between the conveying rollers 200 or getting stuck between the conveying rollers 200 and the inner wall of the conveying trough 110. Furthermore, the rotational connection between the shaft of the conveying roller 200 and the inner wall of the conveying trough 110 adopts the principle of sliding bearings, reducing rotational resistance and improving conveying efficiency.

[0029] Technical Benefits: This solution enables stable and synchronous material conveying. The synchronized rotation of multiple conveyor rollers 200 ensures smooth material movement, effectively preventing deviation, overturning, or jamming, thus improving conveying continuity and reliability. The combination of the convex collar 210, the gap, and the slot 160 efficiently removes dust particles, completely solving the problem of dust clogging components in traditional conveyors, reducing equipment failure rates, and lowering maintenance costs. The convex collar 210 also acts as a limiting element for materials, adapting to narrow belt conveying scenarios and preventing materials from falling from both sides of the conveying trough 110, improving the integrity of material conveying. The inclined surface 220 further enhances the efficiency of debris removal, ensuring the cleanliness and stability of the equipment during long-term operation and extending the service life of components.

[0030] Example 2

[0031] This solution discloses a narrow belt conveyor drive device, which, based on embodiment 1, further includes a fixed seat 300; the fixed seat 300 is installed at the bottom of the fixed frame 100 near the tail end, a support plate 310 is hinged to the top of the fixed seat 300, the support plate 310 is fixed to the bottom of the fixed frame 100 by screws, a base plate 320 is installed at the bottom of the fixed seat 300, and a convex pad is provided at the bottom of the base plate 320.

[0032] Solution Analysis: This solution designs the tail support structure of the fixed frame 100 based on the principles of hinge adaptability and force distribution. The hinged connection between the top of the fixed seat 300 and the support plate 310 allows the support plate 310 to rotate at a small angle around the hinge point. This accommodates the slight displacement of the tail end when the angle of the fixed frame 100 is adjusted, preventing damage to the support structure due to concentrated stress caused by angle changes, thus conforming to the principle of adaptability design in mechanical structures. The support plate 310 is fixed to the bottom of the fixed frame 100 with screws. The screw connection combines detachability and stability, facilitating the installation, disassembly, and maintenance of the fixed seat 300 while ensuring a rigid connection between the support plate 310 and the fixed frame 100, preventing relative slippage. The base plate 320 at the bottom of the fixed seat 300 increases the contact area with the ground. According to the pressure formula P=F / S, when the load at the tail of the fixed frame 100 is constant, increasing the contact area reduces the pressure on the ground, preventing ground subsidence. The raised pad at the bottom of the base plate 320 is made of a high-friction coefficient material, utilizing the principle of friction to increase the static friction between the base plate 320 and the ground, preventing the equipment from shifting due to vibration. In addition, the fixed seat 300 provides a stable support point for the tail of the fixed frame 100, forming a two-point support with the front support structure, improving the overall rigidity of the fixed frame 100 and reducing deformation during transportation.

[0033] Technical Benefits: This solution significantly enhances the support stability of the tail section of the fixed frame 100. Through the cooperation of the fixed base 300, support plate 310, base plate 320, and convex pad, reliable support is provided for the tail section of the fixed frame 100, preventing increased vibration due to insufficient support or unsupported tail section, thus improving the smoothness of equipment operation. The hinged structure allows for flexible adaptation of the tail support when the angle of the fixed frame 100 is adjusted, without generating additional constraint stress, protecting the structural integrity of the fixed frame 100 and support components, and extending the equipment's lifespan. The cooperation between the base plate 320 and the convex pad not only protects the ground but also maintains the equipment's positional stability under the instantaneous impact of the motor 130 starting and stopping, improving safety performance. The removable nature of the screw connection reduces maintenance difficulty and cost, making installation and adjustment of the equipment more flexible in different scenarios.

[0034] Example 3

[0035] This solution discloses a narrow belt conveyor drive device, which, based on embodiment 2, further includes a sliding seat 400; the sliding seat 400 is located at the bottom of the fixed frame 100 near the front end, and a sliding plate 410 is hinged to the top of the sliding seat 400. The sliding plate 410 is slidably connected to the bottom of the fixed frame 100, and the bottom of the sliding seat 400 has a support frame 420, which has an inverted U-shaped structure, with both ends of the bottom of the support frame 420 located on the ground.

[0036] Solution Analysis: This solution designs the front support and angle adjustment base structure of the fixed frame 100 based on the principles of sliding fit and structural mechanics. The sliding connection between the slide plate 410 and the bottom of the fixed frame 100 adopts a sliding friction fit, allowing the slide plate 410 to slide along the length of the fixed frame 100, providing displacement compensation for the angle adjustment of the fixed frame 100. When the height of the front end of the fixed frame 100 changes, the sliding of the slide plate 410 can adapt to the change in the relative position of the two, avoiding structural damage from tension or compression. The hinged connection between the slide plate 410 and the sliding seat 400 further enhances flexibility, allowing the slide plate 410 to rotate around the hinge point, ensuring that it always fits against the bottom of the fixed frame 100 during angle adjustment, avoiding unstable support. The support frame 420 at the bottom of the sliding seat 400 adopts an inverted U-shaped structure. According to structural mechanics, this structure has high bending and torsional stiffness, which can distribute the load transmitted by the sliding seat 400 and evenly transfer it to the ground; at the same time, the opening of the inverted U-shaped structure reserves space for subsequent installation of drive components such as the second motor 421, taking into account both support and component installation requirements. The bottom two ends of the support frame 420 contact the ground to form stable support points, which, together with the fixed base 300, provide two-point support for the fixed frame 100, ensuring its stability in both horizontal and inclined states.

[0037] Technical Benefits: This solution provides crucial support for adjusting the conveying angle of the fixed frame 100. Through the sliding and hinged connection of the slide plate 410, the front end of the fixed frame 100 can be flexibly adjusted in height and angle, breaking the limitations of traditional conveyors with fixed angles and meeting different conveying needs such as upward, downward, and horizontal conveying. The inverted U-shaped structure of the support frame 420 not only provides stable support but also reserves space for the subsequent addition of drive adjustment components, improving the equipment's scalability. The sliding connection between the slide plate 410 and the fixed frame 100 ensures smooth angle adjustment, avoiding structural jamming or stress concentration, and protecting the structural integrity of the fixed frame 100 and the sliding seat 400. Furthermore, the combination of the sliding seat 400 and the support frame 420 gives the front end support of the fixed frame 100 high stability. Even when conveying heavy materials, it can resist material impact, preventing front-end swaying or deformation, and improving the equipment's load-bearing capacity and operational reliability.

[0038] Example 4

[0039] This solution discloses a narrow belt conveyor drive device. Based on embodiment 3, a second motor 421 is installed inside the support frame 420. The output end of the second motor 421 extends out of the top of the support frame 420 and is equipped with a threaded rod 422. A threaded hole 430 is opened at the bottom of the sliding seat 400, and the threaded rod 422 rotates into the threaded hole 430. The second motor 421 involved in this solution is prior art.

[0040] Solution Analysis: This solution designs the height adjustment structure at the front end of the fixed frame 100 based on the principles of screw transmission and power drive. The second motor 421 serves as the power source, driving the threaded rod 422 to rotate. The threaded rod 422 and the threaded hole 430 form a helical pair. According to the screw transmission principle, the rotational motion can be converted into the linear lifting motion of the sliding seat 400—when the threaded rod 422 rotates clockwise, the sliding seat 400 moves upward along the axis; when it rotates counterclockwise, the sliding seat 400 moves downward, achieving precise height adjustment. This transmission method is smooth and has an accurate transmission ratio. The lifting height can be precisely controlled by controlling the rotation angle of the second motor 421 to meet different angle requirements. Simultaneously, the screw transmission has self-locking properties (when the thread helix angle is less than the equivalent friction angle). After the second motor 421 stops, the self-locking effect of the threaded rod 422 and the threaded hole 430 keeps the sliding seat 400 at its current height, eliminating the need for an additional locking mechanism, simplifying the structure, and preventing the sliding seat 400 from descending under load. In addition, the second motor 421 is installed inside the support frame 420, which protects the motor from dust and material damage, while also making the weight of the motor part of the support frame 420, reducing the load on the sliding seat 400 and improving structural stability.

[0041] Technical Benefits: This solution enables automated and precise adjustment of the height of the front end of the fixed frame 100. Driven by a second motor 421 and a threaded rod 422, the height of the sliding seat 400 can be quickly and accurately adjusted, thereby adjusting the conveying angle. Compared to manual adjustment, this saves labor costs, improves adjustment efficiency and accuracy, and allows for rapid adaptation to different scenarios. The self-locking property of the screw drive ensures that the sliding seat 400 remains stable at any height, even when conveying heavy objects or experiencing equipment vibration, preventing it from shifting on its own and ensuring a stable conveying angle, avoiding material deviation or jamming. The second motor 421 is installed inside the support frame 420, extending the motor's lifespan and making the equipment structure more compact, reducing space occupation. The cooperation of this adjustment structure with the sliding seat 400 and the sliding plate 410 ensures a smooth and stable angle adjustment process without additional impact, protecting the overall structure of the equipment and improving operational reliability and lifespan.

[0042] Example 5

[0043] This solution discloses a narrow belt conveyor drive device. Based on embodiment 4, a guide rod 423 is installed on the top of the support frame 420, and a guide hole 440 is opened at the bottom of the sliding seat 400, with the guide rod 423 extending into the guide hole 440.

[0044] Solution Analysis: This solution designs the lifting guide structure of the sliding seat 400 based on the principles of guiding positioning and error compensation. The guide rod 423 and guide hole 440 form a guide mechanism with a clearance fit. Its core function is to limit the movement trajectory of the sliding seat 400—preventing it from rotating around the threaded rod 422 during lifting and ensuring it moves only in the vertical direction, thus avoiding jamming or angle adjustment deviations between the sliding plate 410 and the fixed frame 100. From a mechanical perspective, when the threaded rod 422 drives the sliding seat 400, the thread surface experiences a radial force. Without a guide structure, this force would cause the threaded rod 422 to bend and deform, accelerating wear and reducing transmission accuracy. The guide rod 423 can withstand the radial force, balancing the force on the threaded rod 422, reducing bending deformation, and extending service life. Simultaneously, the fit between the guide rod 423 and guide hole 440 ensures the coaxiality of the threaded rod 422 and threaded hole 430, avoiding poor thread engagement and localized stress concentration, and improving transmission smoothness. In addition, the guide rod 423 can limit the lifting stroke of the sliding seat 400, prevent the threaded rod 422 from disengaging from the threaded hole 430, and protect the transmission components.

[0045] Technical Benefits: This solution significantly improves the stability and accuracy of the sliding seat 400's lifting and lowering. The cooperation between the guide rod 423 and the guide hole 440 ensures that the sliding seat 400 does not rotate or deviate during lifting and lowering, guaranteeing accurate adjustment of the fixed frame 100° angle, avoiding material conveying angle deviation, and improving conveying accuracy. The guide rod 423 balances the radial component of the threaded rod 422, reducing its bending deformation and wear, extending the life of the threaded rod 422 and the threaded hole 430, and reducing maintenance costs. This cooperation also improves transmission smoothness, avoids lifting and lowering jams or vibrations, reduces equipment noise, and improves the working environment. The limiting function of the guide rod 423 prevents transmission components from disengaging, avoiding equipment damage caused by operational errors, improving safety performance, and ensuring long-term stable operation of the equipment.

[0046] Example 6

[0047] This solution discloses a narrow belt conveyor drive device. Based on embodiment 5, the fixed frame 100 has guide grooves 170 on its symmetrical side walls, and side plates 411 are installed at both ends of the top of the slide plate 410. The side plates 411 are located on the side walls of the fixed frame 100, and guide plates 412 are installed on the side walls of the side plates 411. The guide plates 412 are located inside the guide grooves 170.

[0048] Solution Analysis: This solution designs a stable connection structure between the fixed frame 100 and the slide plate 410 based on the principles of lateral limiting and sliding guidance. The guide groove 170 and the guide plate 412 form a sliding fit, allowing the guide plate 412 to slide along the length of the guide groove 170, thus laterally limiting the relative movement between the fixed frame 100 and the slide plate 410—only allowing the fixed frame 100 to slide relative to the slide plate 410 along its own length, preventing lateral offset and conforming to the mechanical lateral stability design principle. The side plates 411 at both ends of the top of the slide plate 410 are symmetrically distributed, wrapping around the outer sides of the two side walls of the fixed frame 100, forming a lateral wrapping structure, further enhancing lateral constraint and preventing the fixed frame 100 from tilting or swaying laterally during conveying or angle adjustment. In terms of stress, if lateral deviation occurs during material conveying, it will generate a lateral thrust on the fixed frame 100. The cooperation between the guide plate 412 and the guide groove 170 can withstand this thrust and transmit it to the slide plate 410, the sliding seat 400, and finally to the ground, preventing the fixed frame 100 from deforming due to excessive lateral force. In addition, the cooperation between the guide plate 412 and the guide groove 170 can also provide auxiliary guidance for the angle adjustment of the fixed frame 100, ensuring that the front-end movement trajectory meets the design requirements when it flips around the tail hinge point, and avoiding jamming.

[0049] Technical Effects: This solution effectively enhances the connection stability and lateral anti-deviation capability between the fixed frame 100 and the sliding plate 410. Through the cooperation of the guide plate 412, guide groove 170, and side plate 411, the fixed frame 100 does not sway or deviate laterally during conveying or angle adjustment, ensuring stable material conveying within the conveying trough 110, preventing material from falling, and improving conveying integrity and reliability. The lateral constraint structure can withstand the lateral thrust of the material, protecting the structural integrity of the fixed frame 100, reducing lateral deformation, and extending equipment life. The auxiliary guiding effect of the guide plate 412 and guide groove 170 makes angle adjustment smoother and more precise, avoiding jamming or component wear caused by trajectory deviation, improving adjustment efficiency and operational stability. This structural design is simple and reliable, requiring no complex locking components, simplifying the equipment structure while ensuring stability, reducing manufacturing costs and maintenance difficulty.

[0050] Working Principle: This solution primarily uses a motor 130 to provide power, combined with belt drive to achieve synchronous rotation of multiple conveyor rollers 200. Simultaneously, an adjustable support structure allows for flexible adjustment of the conveying angle of the fixed frame 100. Material conveying and angle adaptation are achieved based on principles of friction drive, screw drive, and force balance. In the power transmission stage, the motor 130 outputs torque to drive the first pulley 140 to rotate. The first pulley 140 and the second pulley 150 transmit power through the static friction of the belt, and the belt's elasticity buffers the starting impact. The second pulley 150 transmits power to the last third pulley 230, and through the belt linkage of adjacent third pulleys 230, all third pulleys 230 rotate synchronously, thereby driving all conveyor rollers 200 to rotate around the shaft. The synchronous rotation of multiple conveyor rollers 200 conforms to the principle of force balance, ensuring uniform friction on the bottom of the material and guaranteeing stable conveying. In the material conveying and impurity removal process, the convex sleeve 210 increases the contact area with the material to stably push it forward. The inclined surface 220 guides dust particles to the gap between the convex sleeves 210, and then discharges them through the slot 160 to prevent jamming. In the angle adjustment process, the second motor 421 drives the threaded rod 422 to rotate. The threaded rod 422 and the threaded hole 430 form a helical pair, converting the rotational motion into the vertical lifting motion of the sliding seat 400. When the sliding seat 400 lifts or lowers, the slide plate 410 slides along the bottom of the fixed frame 100 and rotates around the hinge point. This, combined with the hinged rotation of the top support plate 310 of the fixed seat 300, enables the angle adjustment of the fixed frame 100. At the same time, the cooperation between the guide rod 423 and the guide hole 440 restricts the rotation of the sliding seat 400, and the cooperation between the guide plate 412 and the guide groove 170 restricts the lateral displacement of the fixed frame 100, ensuring smooth and precise angle adjustment.

[0051] The core innovation of this solution lies in its "multi-conveyor roller synchronous belt drive + convex sleeve gap debris removal" structure, which solves the problem in the background technology where "existing conveyors driving single / partial conveyor rollers cause material jamming, and dust particles easily clog components." Driven by motor 130 and linked by multiple pulleys, all conveyor rollers 200 rotate synchronously, avoiding uneven local force on the material; simultaneously, the gap of the convex sleeve 210 and the slot 160 cooperate to achieve efficient dust particle discharge and prevent jamming. The adjustable support structure of "hinged support + screw drive adjustment" solves the problem in the background technology where "existing conveyors have a fixed conveying angle, making it difficult to meet different conveying needs." The second motor 421 drives the threaded rod 422 to adjust the height of the sliding seat 400, which, combined with the hinged structure of the fixed seat 300 and the sliding plate 410, allows for flexible adjustment of the fixed frame 100 angle to adapt to different conveying scenarios.

[0052] The technical benefits of implementing this solution include: It enables efficient and stable material conveying. The synchronous rotation of multiple conveyor rollers 200 ensures the material remains stable, preventing deviation, jamming, or overturning, significantly improving conveying continuity and reliability. It is suitable for conveying small or granular materials in narrow belt scenarios, reducing material drop losses. Regarding debris removal, the combination of the convex ring 210, the gap, and the slot 160 efficiently removes dust particles, completely solving the dust jamming problem of traditional conveyors, reducing equipment failure rates, lowering maintenance costs, and keeping the equipment internally clean, extending the lifespan of components such as the conveyor rollers 200 and pulleys. For angle adjustment, the screw drive structure driven by the second motor 421 allows for automated and precise adjustment of the fixed frame angle by 100 degrees, eliminating the need for manual operation, saving labor costs. The flexible adjustment range can meet various conveying needs, including upward, downward, and horizontal conveying, adapting to different scenarios such as production line connections and material loading and unloading. In terms of stability, the two-point support of the fixed seat 300 and the sliding seat 400 enhances the overall rigidity of the fixed frame 100. The guiding and limiting functions of the guide rod 423 and the guide plate 412 prevent component offset or rotation, ensuring stability of the equipment during operation or angle adjustment. Even when conveying heavy objects or subjected to instantaneous impacts, there will be no significant vibration or displacement, improving safety performance and load-bearing capacity. In addition, the overall structure of the equipment is simple, and most components use detachable connections (such as screw fixing), which facilitates installation, maintenance, and component replacement, reducing the threshold for use and subsequent operation and maintenance costs, and has high practicality and promotional value.

[0053] Although the present invention has been described above with reference to embodiments, various modifications can be made and components can be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the features in the embodiments disclosed in this invention can be combined with each other in any way. The lack of an exhaustive description of these combinations in this specification is merely for the sake of brevity and resource conservation. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A narrow band conveyor drive apparatus, characterized by, include: A fixed frame (100) is provided with a conveying groove (110) on the top of the fixed frame (100). The conveying groove (110) is rectangular and its front end extends to the front end of the fixed frame (100). An mounting plate (120) is installed at the bottom end of the fixed frame (100). The mounting plate (120) is L-shaped and its short side is fixed to the fixed frame (100) by screws. A motor (130) is installed on the side wall of the mounting plate (120). The output end of the motor (130) extends out of the side wall of the mounting plate (120) and is equipped with a first pulley (140). A second pulley (150) is rotatably connected to the side wall of the fixed frame (100) near the tail end. The first pulley (140) and the second pulley (150) are connected by a belt. A slot (160) is provided at the bottom of the conveying groove (110). A conveying roller (200) is cylindrical. Multiple conveying rollers (200) are evenly arranged inside the conveying groove (110). The multiple conveying rollers (200) are located above the slot (160). The two ends of the conveying roller (200) are provided with shafts, which are rotatably connected to the inner wall of the conveying groove (110). One end of the shaft of the conveying roller (200) extends out of the side wall of the fixing frame (100) and is equipped with a third pulley (230). Every two adjacent third pulleys (230) are connected by a belt. The third pulley (230) located at the rearmost end is connected to the second pulley (150) by a belt. Multiple convex rings (210) are evenly provided on the outer wall of the conveying roller (200). There is a gap between every two convex rings (210). Both ends of the convex rings (210) have inclined surfaces (220).

2. A narrow belt conveyor drive apparatus according to claim 1, wherein, It also includes a fixing seat (300), which is installed at the bottom of the fixing frame (100) near the tail end. A support plate (310) is hinged to the top of the fixing seat (300). The support plate (310) is fixed to the bottom of the fixing frame (100) by screws. A base plate (320) is installed at the bottom of the fixing seat (300), and a convex pad is provided at the bottom of the base plate (320).

3. The narrow belt conveyor drive device according to claim 2, characterized in that, It also includes a sliding seat (400), which is located at the bottom of the fixed frame (100) near the front end. A sliding plate (410) is hinged to the top of the sliding seat (400), and the sliding plate (410) is slidably connected to the bottom of the fixed frame (100). The bottom of the sliding seat (400) has a support frame (420), which has an inverted U-shaped structure, and both ends of the bottom of the support frame (420) are located on the ground.

4. A narrow belt conveyor drive device according to claim 3, characterized in that, The support frame (420) is equipped with a second motor (421). The output end of the second motor (421) extends out of the top of the support frame (420) and is equipped with a threaded rod (422). The bottom of the sliding seat (400) is provided with a threaded hole (430). The threaded rod (422) rotates into the threaded hole (430).

5. A narrow belt conveyor drive device according to claim 4, characterized in that, The support frame (420) is equipped with a guide rod (423) at the top, and the sliding seat (400) has a guide hole (440) at the bottom, with the guide rod (423) extending into the guide hole (440).

6. A narrow belt conveyor drive device according to claim 5, characterized in that, The fixed frame (100) has guide grooves (170) on its symmetrical sidewalls. The slide plate (410) has side plates (411) installed at both ends of its top. The side plates (411) are located on the sidewalls of the fixed frame (100). The side plates (411) are equipped with guide plates (412) on their sidewalls. The guide plates (412) are located inside the guide grooves (170).

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