Adjustable belt conveyor unloading device

Abstract

This invention discloses an adjustable belt conveyor unloading device. The invention relates to the field of conveyor technology and includes a first conveyor, a second conveyor, a frame, and a bend; a guiding mechanism for guiding coal and gangue, which buffers and guides the coal and gangue falling from the first conveyor belt, preventing damage from direct impact with the bend and preventing them from leaving the bend's opening; and a slag removal mechanism for removing slag from the coal and gangue and moving them within the bend's cavity. This slag removal mechanism allows the power generated by the first conveyor to discharge dust and slag from the coal and gangue entering the bend's cavity, preventing slag and dust from falling into the second conveyor belt and damaging it, thus preventing materials from violently impacting the belt during unloading.

Description

Technical Field

[0001] This invention relates to the field of conveyor technology, specifically to an unloading device for an adjustable belt conveyor. Background Technology

[0002] Belt conveyors are general-purpose mechanical equipment used for the continuous transport of bulk or packaged materials, widely applied in industries such as mining, power, metallurgy, chemicals, and ports. Their core components include the conveyor belt, drive unit (motor, reducer, rollers), idlers, tensioning device, and frame. The conveyor belt, serving as the load-bearing and traction component, is typically made of rubber, PVC, or steel cord, possessing high strength, wear resistance, and tear resistance. The drive unit provides power, and material transport is achieved through the friction between the rollers and the conveyor belt. Idler rollers support the conveyor belt to reduce running resistance, and trough idlers can increase transport capacity. Belt conveyors are characterized by long conveying distances (up to several kilometers), large transport capacity (thousands of tons per hour), low energy consumption, and stable operation, and can be arranged horizontally, inclined, or in combination. Modern belt conveyors also integrate intelligent control systems to achieve speed regulation, fault monitoring, and energy-saving operation, making them key equipment for efficient continuous conveying.

[0003] During daily operation of belt conveyors, due to the excessive belt speed, coal and gangue are prone to falling off the belt and accumulating under the unloading drum when the unloading device is connected in the direction of the coal flow. This requires regular cleaning by personnel. Furthermore, repeated impacts on the belt cause the connected belt to frequently deviate, necessitating frequent belt adjustment and wasting a lot of manpower and workload. Summary of the Invention

[0004] To achieve the above objectives, the present invention is implemented through the following technical solution: an adjustable belt conveyor unloading device, comprising a first conveyor, a second conveyor, a frame, and a bend;

[0005] The guiding mechanism is used to guide the coal and gangue. By setting the guiding mechanism, the coal and gangue falling from the first conveyor belt can be buffered and guided, so that the coal and gangue will not be damaged due to direct impact with the bend, and at the same time, the coal and gangue will not fall out of the opening of the bend.

[0006] The slag removal mechanism is used to remove slag from coal and gangue and move them within the inner cavity of the bend. By setting up the slag removal mechanism, when the first conveyor is working, the power generated by the first conveyor can be used to discharge dust and slag from the coal and gangue discharged from the first conveyor into the inner cavity of the bend, thereby preventing slag and dust from falling into the second conveyor belt and damaging the conveyor belt.

[0007] The buffer mechanism is used to buffer the transported coal and gangue. By setting up the buffer mechanism, the coal and gangue transported through the curved pipe can be buffered, so that when the coal and gangue are transported to the second conveyor belt, the coal and gangue will not quickly hit the second conveyor belt, thereby preventing the coal and gangue from hitting the conveyor belt multiple times and causing the overlapping conveyor belt to deviate.

[0008] The bent pipe is fixedly connected to the inner cavity of the frame, the guide mechanism is located at the top opening of the bent pipe, the slag removal mechanism is located in the inner cavity of the bent pipe, and the buffer mechanism is fixedly connected to the bottom end of the bent pipe.

[0009] The buffer mechanism includes a connection port, which is fixedly connected to the bottom end of the bend. A connection box is fixedly connected to the outer surface of the connection port, and a discharge port is fixedly connected to the end of the connection box. A sliding frame is slidably connected to the inner cavity of the discharge port, and a blocking mechanism is provided on the inner wall of the sliding frame. By setting the connection port and the connection box, the coal and gangue discharged from the bend can be guided, allowing the coal and gangue to slide into the inner cavity of the discharge port by their own gravity. By setting the sliding frame, it can slide in the inner cavity of the discharge port, thereby allowing the blocking mechanism to move in the inner cavity of the discharge port.

[0010] Preferably, the first conveyor is located directly above the top of the bend, and the second conveyor is located directly below the opening of the buffer mechanism. A guide frame is fixedly connected to the opening at the top of the bend. The guide mechanism includes a first limiting ring, which symmetrically penetrates the outer side of the bend. A first rotating column is rotatably connected to the inner cavity of the first limiting ring.

[0011] Preferably, an arc-shaped frame is fixedly connected to the end of the first rotating column. The inner surface of the arc-shaped frame has several grooves. An arc-shaped rod is fixedly connected to the outer surface of the arc-shaped frame. A first limiting frame is sleeved on the outer surface of the arc-shaped rod. The first limiting frame is fixedly connected to the inner wall of the bent pipe. A first spring is sleeved on the outer surface of the arc-shaped rod.

[0012] Preferably, the slag removal mechanism includes a second limiting frame, which is fixedly connected to the outer surface of the guide frame. A second rotating column is rotatably connected to the inner cavity of the second limiting frame. A roller is fixedly connected to the end of the second rotating column. The roller is frictionally adapted to the conveyor belt of the first conveyor. A first roller is fixedly connected to the end of the second rotating column away from the roller.

[0013] Preferably, the slag removal mechanism includes a positioning ring, which is fixedly connected to the inner cavity of the bend. A first support rod is fixedly connected to the outer surface of the positioning ring. A second limiting ring is fixedly connected to the end of the first support rod. A rotating disk is rotatably connected to the inner cavity of the second limiting ring. A gear is fixedly connected to the outer surface of the rotating disk. A second roller is fixedly connected to the side of the rotating disk away from the gear. The second roller is connected to the first roller via a belt.

[0014] Preferably, the inner cavity of the positioning ring is provided with a connecting port, the end of the connecting port is fixedly connected to a connecting pipe, the end of the connecting pipe is fixedly connected to a slag discharge port, the upper surface of the slag discharge port is penetrated by a collecting cover, and the collecting cover is fixedly connected to the lower surface of the bent pipe.

[0015] Preferably, a rotating ring is rotatably connected to the inner cavity of the positioning ring, a toothed ring is fixedly connected to the outer ring of the rotating ring, the toothed ring meshes with a gear, a second support rod is fixedly connected to the outer surface of the rotating ring, a rotating cylinder is fixedly connected to the end of the second support rod, a ventilator is fixedly connected to the outer surface of the rotating cylinder, the ventilator is rotatably connected to the inner cavity of the collection hood, and an agitator plate is fixedly connected to the inner wall of the ventilator.

[0016] Preferably, the outer surface of the discharge port is provided with a track groove, a third limiting ring is fixedly connected to the outer surface of the discharge port, a sliding rod is fixedly connected to the outer surface of the sliding frame, the sliding rod is slidably connected to the track groove on the outer surface of the discharge port, the sliding rod is slidably connected to the inner ring of the third limiting ring, and a second spring is sleeved on the outer surface of the sliding rod.

[0017] Preferably, the blocking mechanism includes an elastic frame and a barrier plate. The elastic frame is fixedly connected to the inner wall of the sliding frame. A limit rod is fixedly connected to the end of the elastic frame. A limit groove is formed on the outer surface of the barrier plate. The limit rod is slidably connected to the limit groove. A third support rod is fixedly connected to the outer surface of the barrier plate. A third spring is fixedly connected to the end of the third support rod. The end of the third spring is fixedly connected to the end of the limit rod.

[0018] Preferably, a rotating ball is fixedly connected to the side of the barrier plate away from the sliding frame, a limiting sleeve is fitted on the outer surface of the rotating ball, a connecting plate is fixedly connected to the end of the limiting sleeve, an extrusion sleeve is fixedly connected to the outer surface of the connecting plate, a connecting rod is fixedly connected to the inner wall of the discharge port, and an extrusion ball is fixedly connected to the end of the connecting rod, and the extrusion ball and the extrusion sleeve are extruded and adapted.

[0019] This invention provides an adjustable unloading device for belt conveyors. It offers the following advantages:

[0020] 1. The unloading device for the adjustable belt conveyor, by setting a guiding mechanism, can buffer and guide the coal and gangue falling from the first conveyor belt, so that the coal and gangue will not be damaged due to direct impact with the bend, and at the same time, the coal and gangue will not fall out of the opening of the bend.

[0021] 2. The unloading device for the adjustable belt conveyor, by setting a slag removal mechanism, can use the power generated by the operation of the first conveyor to discharge dust and slag from the coal and gangue discharged into the inner cavity of the bend pipe from the first conveyor, thereby preventing slag and dust from falling into the conveyor belt of the second conveyor and causing damage to the conveyor belt.

[0022] Third, the unloading device for the adjustable belt conveyor, by setting a buffer mechanism, can buffer the coal and gangue transported through the curved pipe, so that when the coal and gangue are transported to the second conveyor belt, the coal and gangue will not rapidly collide with the second conveyor belt, thereby preventing the coal and gangue from repeatedly hitting the conveyor belt and causing the overlapping conveyor belt to deviate. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the external structure of an adjustable belt conveyor unloading device according to the present invention;

[0024] Figure 2 This is a side view of the structure of an adjustable belt conveyor unloading device according to the present invention;

[0025] Figure 3 This is a partial structural schematic diagram of an adjustable belt conveyor unloading device according to the present invention;

[0026] Figure 4 This is a schematic diagram of the guiding mechanism structure of the present invention;

[0027] Figure 5 This is a schematic cross-sectional view of the guiding mechanism of the present invention;

[0028] Figure 6 This is a schematic diagram of the slag removal mechanism of the present invention;

[0029] Figure 7 This is a partial structural diagram of the slag removal mechanism of the present invention;

[0030] Figure 8 This is a schematic cross-sectional view of the slag removal mechanism of the present invention;

[0031] Figure 9 This is a schematic diagram of the buffer mechanism structure of the present invention;

[0032] Figure 10 This is a schematic cross-sectional view of the buffer mechanism of the present invention;

[0033] Figure 11This is a partial structural diagram of the buffer mechanism of the present invention;

[0034] Figure 12 This is a schematic diagram of the blocking mechanism of the present invention.

[0035] In the diagram: 1. First conveyor; 2. Second conveyor; 3. Frame; 4. Bend; 5. Guide frame; 6. Guiding mechanism; 7. Slag removal mechanism; 8. Buffer mechanism; 61. First limiting ring; 62. First rotating column; 63. Arc frame; 64. First limiting frame; 65. Arc rod; 66. First spring; 71. Second limiting frame; 72. Second rotating column; 73. Drum; 74. First roller; 75. Belt; 76. Positioning ring; 77. First support rod; 78. Second limiting ring; 79. Rotating disk; 710. Gear; 711. Second roller; 712. Connecting port; 713. Connecting pipe; 714. Slag discharge port; 715. Collection hood; 716. Rotating ring; 717. Toothed ring; 718. Second support rod; 719. Rotating cylinder; 720. Ventilation cylinder; 721. Stirring plate; 81. Connecting port; 82. Connecting box; 83. Discharge port; 84. Sliding frame; 85. Blocking mechanism; 86. Connecting disc; 87. Extrusion sleeve; 88. Third limiting ring; 89. Second spring; 810. Sliding rod; 811. Connecting rod; 812. Extrusion ball; 851. Elastic frame; 852. Limiting rod; 853. Baffle plate; 854. Limiting groove; 855. Third support rod; 856. Third spring; 857. Rotating ball; 858. Limiting sleeve. Detailed Implementation

[0036] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention are given for illustrative and descriptive purposes only, and are not intended to be exhaustive or to limit the invention to the forms disclosed. Many modifications and variations will be apparent to those skilled in the art. The embodiments were chosen and described to better illustrate the principles and practical application of the invention, and to enable those skilled in the art to understand the invention and design various embodiments with various modifications suitable for a particular purpose.

[0037] like Figures 1-12 As shown, the present invention provides a technical solution: an adjustable belt conveyor unloading device, comprising a first conveyor 1, a second conveyor 2, a frame 3, and a bend 4;

[0038] The guiding mechanism 6 is used to guide the coal and gangue. By setting the guiding mechanism 6, the coal and gangue falling from the conveyor belt of the first conveyor 1 can be buffered and guided, so that the coal and gangue will not be damaged due to direct impact with the bend 4, and at the same time, the coal and gangue will not fall out of the opening of the bend 4.

[0039] The slag removal mechanism 7 is used to remove slag from coal and gangue and move it within the inner cavity of the bend 4. By setting the slag removal mechanism 7, when the first conveyor 1 is working, the power generated by the first conveyor 1 can be used to discharge dust and slag from the coal and gangue discharged from the first conveyor 1 into the inner cavity of the bend 4, thereby preventing slag and dust from falling into the conveyor belt of the second conveyor 2 and damaging the conveyor belt.

[0040] The buffer mechanism 8 is used to buffer the transported coal and gangue. By setting the buffer mechanism 8, the coal and gangue transported through the bend pipe 4 can be buffered, so that when the coal and gangue are transported to the second conveyor belt 2, the coal and gangue will not quickly hit the conveyor belt of the second conveyor 2, thereby preventing the coal and gangue from hitting the conveyor belt multiple times and causing the overlapping conveyor belt to deviate.

[0041] The bend 4 is fixedly connected to the inner cavity of the frame 3, the guide mechanism 6 is set at the top opening of the bend 4, the slag removal mechanism 7 is set in the inner cavity of the bend 4, and the buffer mechanism 8 is fixedly connected to the bottom end of the bend 4.

[0042] The buffer mechanism 8 includes a connection port 81, which is fixedly connected to the bottom end of the bend 4. A connection box 82 is fixedly connected to the outer surface of the connection port 81, and a discharge port 83 is fixedly connected to the end of the connection box 82. A sliding frame 84 is slidably connected to the inner cavity of the discharge port 83, and a blocking mechanism 85 is provided on the inner wall of the sliding frame 84. By setting the connection port 81 and the connection box 82, the coal and gangue discharged from the bend 4 can be guided, so that the coal and gangue can slide into the inner cavity of the discharge port 83 by their own gravity. By setting the sliding frame 84, it can slide in the inner cavity of the discharge port 83, thereby allowing the blocking mechanism 85 to move in the inner cavity of the discharge port 83.

[0043] The first conveyor 1 is located directly above the top of the bend 4, and the second conveyor 2 is located directly below the opening of the buffer mechanism 8. A guide frame 5 is fixedly connected to the opening at the top of the bend 4. The guide mechanism 6 includes a first limiting ring 61, which symmetrically penetrates the outer side of the bend 4. A first rotating column 62 is rotatably connected to the inner cavity of the first limiting ring 61. By setting the bend 4, the coal and gangue can be redirected, allowing the coal and gangue conveyed by the first conveyor 1 to be vertically transmitted and unloaded to the conveyor belt of the second conveyor 2. By setting the guide frame 5, the coal and gangue sliding off the first conveyor 1 can be guided and limited. An arc-shaped frame 63 is fixedly connected to the end of the first rotating column 62. The inner surface of the arc-shaped frame 63 begins to... The curved frame 63 has several grooves. An arc-shaped rod 65 is fixedly connected to the outer surface of the arc-shaped frame 63. A first limiting frame 64 is sleeved on the outer surface of the arc-shaped rod 65. The first limiting frame 64 is fixedly connected to the inner wall of the bend 4. A first spring 66 is sleeved on the outer surface of the arc-shaped rod 65. By setting a first rotating column 62, the arc-shaped frame 63 can be driven to rotate in the inner cavity of the bend 4. When coal and gangue fall into the inner cavity of the arc-shaped frame 63, the arc-shaped frame 63 will rotate, thereby buffering the impact force brought by the coal and gangue. By setting the arc-shaped rod 65, the first limiting frame 64 and the first spring 66, the first spring 66 can store elastic potential energy after the arc-shaped frame 63 rotates, thereby allowing the arc-shaped frame 63 to return to its original shape.

[0044] The slag removal mechanism 7 includes a second limiting frame 71, which is fixedly connected to the outer surface of the guide frame 5. A second rotating column 72 is rotatably connected to the inner cavity of the second limiting frame 71, and a roller 73 is fixedly connected to the end of the second rotating column 72. The roller 73 is frictionally adapted to the conveyor belt of the first conveyor 1. A first roller 74 is fixedly connected to the end of the second rotating column 72 away from the roller 73. By setting the second limiting frame 71, the second rotating column 72 can be limited, allowing it to rotate stably within the inner cavity of the second limiting frame 71. By setting the roller 73, it can contact the conveyor belt of the first conveyor 1, so that the roller 73 can rotate together with the conveyor belt of the first conveyor 1 when the conveyor belt moves, thereby allowing the first conveyor 1 to rotate smoothly. Roller 74 rotates. The slag removal mechanism 7 includes a positioning ring 76, which is fixedly connected to the inner cavity of the bend 4. A first support rod 77 is fixedly connected to the outer surface of the positioning ring 76. A second limiting ring 78 is fixedly connected to the end of the first support rod 77. A rotating disk 79 is rotatably connected to the inner cavity of the second limiting ring 78. A gear 710 is fixedly connected to the outer surface of the rotating disk 79. A second roller 711 is fixedly connected to the side of the rotating disk 79 away from the gear 710. The second roller 711 is connected to the first roller 74 via a belt 75. By setting the second limiting ring 78, the rotating disk 79 can be limited, allowing it to rotate stably within the inner cavity of the second limiting ring 78. This allows the first roller 74 to rotate while driving the belt 75, thus enabling the first roller 74 to rotate. Two rollers 711 drive the rotating disk 79 and gear 710 to rotate. A connecting port 712 is provided in the inner cavity of the positioning ring 76. A connecting pipe 713 is fixedly connected to the end of the connecting port 712, and a slag discharge port 714 is fixedly connected to the end of the connecting pipe 713. A collection cover 715 penetrates the upper surface of the slag discharge port 714 and is fixedly connected to the lower surface of the bent pipe 4. By providing the connecting port 712, slag and dust falling into the inner cavity of the slag removal mechanism 7 can be discharged and can enter the inner cavity of the slag discharge port 714 through the connecting pipe 713. By providing the collection cover 715, the slag removal mechanism 7 can be enclosed. A rotating ring 716 is rotatably connected to the inner cavity of the positioning ring 76, and a toothed ring 717 is fixedly connected to the outer ring of the rotating ring 716. 7 meshes with gear 710. A second support rod 718 is fixedly connected to the outer surface of rotating ring 716. A rotating cylinder 719 is fixedly connected to the end of the second support rod 718. A ventilator 720 is fixedly connected to the outer surface of rotating cylinder 719. Ventilator 720 is rotatably connected to the inner cavity of collecting cover 715. An agitator 721 is fixedly connected to the inner wall of ventilator 720. By setting rotating ring 716 and gear ring 717, when gear 710 rotates, gear ring 717 drives rotating ring 716 and rotating cylinder 719 to rotate, thereby allowing coal and gangue on the outer surface of ventilator 720 to rotate and fall into the inner cavity of bend 4. By setting agitator 721, airflow is generated in the inner cavity when ventilator 720 rotates.This allows slag and dust to enter the inner cavity of the connecting port 712.

[0045] A track groove is formed on the outer surface of the discharge port 83. A third limiting ring 88 is fixedly connected to the outer surface of the discharge port 83. A sliding rod 810 is fixedly connected to the outer surface of the sliding frame 84. The sliding rod 810 is slidably connected to the track groove formed on the outer surface of the discharge port 83 and to the inner ring of the third limiting ring 88. A second spring 89 is sleeved on the outer surface of the sliding rod 810. By forming a track groove on the outer surface of the discharge port 83, the sliding rod 810 can slide stably in the track groove. By setting the third limiting ring 88, the sliding rod 810 can be limited and cooperates with the second spring 89 to make... After the sliding rod 810 and the sliding frame 84 move, they can rebound and return to their original positions. The blocking mechanism 85 includes an elastic frame 851 and a blocking plate 853. The elastic frame 851 is fixedly connected to the inner wall of the sliding frame 84. A limit rod 852 is fixedly connected to the end of the elastic frame 851. A limit groove 854 is formed on the outer surface of the blocking plate 853. The limit rod 852 is slidably connected to the limit groove 854. A third support rod 855 is fixedly connected to the outer surface of the blocking plate 853. A third spring 856 is fixedly connected to the end of the third support rod 855. The end of the third spring 856 is fixedly connected to the end of the limit rod 852. By setting the elastic frame 851 and the limiting rod 852, the baffle plate 853 can be limited, allowing the baffle plate 853 to move on the outer surface of the limiting rod 852. By setting the third spring 856, elastic potential energy can be stored after the baffle plate 853 moves, thereby generating rebound and returning to its original position. A rotating ball 857 is fixedly connected to the side of the baffle plate 853 away from the sliding frame 84. A limiting sleeve 858 is sleeved on the outer surface of the rotating ball 857. A connecting plate 86 is fixedly connected to the end of the limiting sleeve 858. An extrusion sleeve 87 is fixedly connected to the outer surface of the connecting plate 86. A connecting rod is fixedly connected to the inner wall of the discharge port 83. 811, the end of the connecting rod 811 is fixedly connected to a compression ball 812. The compression ball 812 is squeezed and adapted to the compression sleeve 87. By setting the rotating ball 857 and the limiting sleeve 858, the baffle plate 853 can rotate on the outer surface of the connecting plate 86. After the baffle plate 853 rotates, the gap between the multiple baffle plates 853 increases, so that coal and gangue can be discharged. By setting the compression ball 812, after too much coal and gangue accumulate in the inner cavity of the sliding frame 84, the compression ball 812 contacts the compression sleeve 87, so that the connecting plate 86 is squeezed and the end of the baffle plate 853 tilts.

[0046] Working Principle: During operation, the operator moves the frame 3 so that the top of the bent pipe 4 is aligned with the discharge end of the first conveyor 1, the bottom of the bent pipe 4 is aligned with the upper surface of the conveyor belt of the second conveyor 2, and the roller 73 contacts the lower surface of the conveyor belt of the first conveyor 1, thus completing the installation of the unloading device. During operation, the first conveyor 1 starts working, moving the coal and gangue on its upper surface to the end of the conveyor belt. The coal and gangue then fall parabolically onto the bent pipe 4, contacting the arc-shaped frame 63. Upon impact with the arc-shaped frame 63, the arc-shaped frame 63 and the first rotating column 62 rotate, thus dissipating the impact force on the coal and gangue. The coal and gangue then fall into the inner cavity of the bent pipe 4 and contact the outer surface of the venting cylinder 720. During the operation of the first conveyor 1, the roller 73 rotates due to friction, allowing the coal and gangue to enter the venting cylinder. The rotation of the first roller 74 and the second roller 711 causes the gear 710 to drive the gear ring 717 to rotate, which in turn causes the venting cylinder 720 to rotate. This allows dust and slag from the coal and gangue to enter the interior through the holes on the outer surface of the venting cylinder 720. Under the influence of the airflow generated by the rotation of the stirring plate 721, the dust enters the connecting port 712 and enters the inner cavity of the slag discharge port 714 through the connecting pipe 713. At the same time, the rotation of the venting cylinder 720 causes the coal and gangue to be forced into the inner cavity of the bend pipe 4 and fall to the bottom. Then, the coal and gangue come into contact with the baffle plate 853. As the coal and gangue accumulate, the sliding frame 84 moves in the inner cavity of the discharge port 83 until the extrusion sleeve 87 and the extrusion ball 812 are squeezed together. This increases the gap between the multiple baffle plates 853, allowing the coal and gangue to leak out and fall onto the upper surface of the conveyor belt of the second conveyor 2, completing the unloading of the coal and gangue.

[0047] Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all of them. All other embodiments obtained by those skilled in the art and related fields based on the embodiments of the present invention without inventive effort should fall within the scope of protection of the present invention. Structures, devices, and operating methods not specifically described and explained in the present invention, unless otherwise specified or limited, shall be implemented according to conventional means in the art.

Claims

1. An adjustable belt conveyor unloading device, characterized in that, include: First conveyor (1), second conveyor (2), frame (3) and bend (4); A guiding mechanism (6) is used to guide coal and gangue; The slag removal mechanism (7) is used to remove slag from coal and gangue and move it within the cavity of the bend (4); Buffer mechanism (8), which is used to buffer the transported coal and gangue; The bent pipe (4) is fixedly connected to the inner cavity of the frame (3), the guide mechanism (6) is set at the top opening of the bent pipe (4), the slag removal mechanism (7) is set in the inner cavity of the bent pipe (4), and the buffer mechanism (8) is fixedly connected to the bottom end of the bent pipe (4). The buffer mechanism (8) includes a connection port (81), which is fixedly connected to the bottom end of the bend (4). A connection box (82) is fixedly connected to the outer surface of the connection port (81). A discharge port (83) is fixedly connected to the end of the connection box (82). A sliding frame (84) is slidably connected to the inner cavity of the discharge port (83). A blocking mechanism (85) is provided on the inner wall of the sliding frame (84). The first conveyor (1) is located directly above the top of the bend (4), and the second conveyor (2) is located directly below the opening of the buffer mechanism (8). A guide frame (5) is fixedly connected to the opening at the top of the bend (4). The guide mechanism (6) includes a first limiting ring (61). The first limiting ring (61) symmetrically penetrates the outer side of the bend (4). A first rotating column (62) is rotatably connected to the inner cavity of the first limiting ring (61). The slag removal mechanism (7) includes a second limiting frame (71), which is fixedly connected to the outer surface of the guide frame (5). A second rotating column (72) is rotatably connected to the inner cavity of the second limiting frame (71). A roller (73) is fixedly connected to the end of the second rotating column (72). The roller (73) is frictionally adapted to the conveyor belt of the first conveyor (1). A first roller (74) is fixedly connected to the end of the second rotating column (72) away from the roller (73). The slag removal mechanism (7) includes a positioning ring (76), which is fixedly connected to the inner cavity of the bend (4). A first support rod (77) is fixedly connected to the outer surface of the positioning ring (76). A second limiting ring (78) is fixedly connected to the end of the first support rod (77). A rotating disk (79) is rotatably connected to the inner cavity of the second limiting ring (78). A gear (710) is fixedly connected to the outer surface of the rotating disk (79). A second roller (711) is fixedly connected to the side of the rotating disk (79) away from the gear (710). The second roller (711) is connected to the first roller (74) through a belt (75).

2. An adjustable belt conveyor unloading device according to claim 1, characterized in that: An arc frame (63) is fixedly connected to the end of the first rotating column (62). Several grooves are provided on the inner surface of the arc frame (63). An arc rod (65) is fixedly connected to the outer surface of the arc frame (63). A first limiting frame (64) is sleeved on the outer surface of the arc rod (65). The first limiting frame (64) is fixedly connected to the inner wall of the bent pipe (4). A first spring (66) is sleeved on the outer surface of the arc rod (65).

3. An adjustable belt conveyor unloading device according to claim 1, characterized in that: The inner cavity of the positioning ring (76) is provided with a connecting port (712), and the end of the connecting port (712) is fixedly connected to a connecting pipe (713). The end of the connecting pipe (713) is fixedly connected to a slag discharge port (714). A collection cover (715) penetrates the upper surface of the slag discharge port (714), and the collection cover (715) is fixedly connected to the lower surface of the bent pipe (4).

4. An adjustable belt conveyor unloading device according to claim 3, characterized in that: A rotating ring (716) is rotatably connected to the inner cavity of the positioning ring (76). A toothed ring (717) is fixedly connected to the outer ring of the rotating ring (716). The toothed ring (717) meshes with a gear (710). A second support rod (718) is fixedly connected to the outer surface of the rotating ring (716). A rotating cylinder (719) is fixedly connected to the end of the second support rod (718). A ventilator (720) is fixedly connected to the outer surface of the rotating cylinder (719). The ventilator (720) is rotatably connected to the inner cavity of the collection cover (715). An agitator plate (721) is fixedly connected to the inner wall of the ventilator (720).

5. An adjustable belt conveyor unloading device according to claim 4, characterized in that: The outer surface of the discharge port (83) is provided with a track groove, and a third limiting ring (88) is fixedly connected to the outer surface of the discharge port (83). A sliding rod (810) is fixedly connected to the outer surface of the sliding frame (84). The sliding rod (810) is slidably connected to the track groove on the outer surface of the discharge port (83). The sliding rod (810) is slidably connected to the inner ring of the third limiting ring (88). A second spring (89) is sleeved on the outer surface of the sliding rod (810).

6. An adjustable belt conveyor unloading device according to claim 5, characterized in that: The blocking mechanism (85) includes an elastic frame (851) and a barrier plate (853). The elastic frame (851) is fixedly connected to the inner wall of the sliding frame (84). A limit rod (852) is fixedly connected to the end of the elastic frame (851). A limit groove (854) is opened on the outer surface of the barrier plate (853). The limit rod (852) is slidably connected to the limit groove (854). A third support rod (855) is fixedly connected to the outer surface of the barrier plate (853). A third spring (856) is fixedly connected to the end of the third support rod (855). The end of the third spring (856) is fixedly connected to the end of the limit rod (852).

7. An adjustable belt conveyor unloading device according to claim 6, characterized in that: A rotating ball (857) is fixedly connected to the side of the barrier plate (853) away from the sliding frame (84). A limiting sleeve (858) is fitted on the outer surface of the rotating ball (857). A connecting plate (86) is fixedly connected to the end of the limiting sleeve (858). An extrusion sleeve (87) is fixedly connected to the outer surface of the connecting plate (86). A connecting rod (811) is fixedly connected to the inner wall of the discharge port (83). An extrusion ball (812) is fixedly connected to the end of the connecting rod (811). The extrusion ball (812) is extruded and adapted to the extrusion sleeve (87).

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