Automatic speed-adjusting belt conveyor material-distributing device

Abstract

The present application belongs to the technical field of cigarette production equipment, and particularly relates to an automatic speed-regulating belt conveyor uniform material device, which comprises: a machine head cover installed at the end of the belt conveyor and located above a screening vibration trough, an inclined material guide plate being arranged in the machine head cover, the lower end of the material guide plate being inclined; a rotating shaft, the material guide plate being fixedly installed on the rotating shaft; an adjusting and fixing mechanism, the adjusting and fixing mechanism being used for driving the rotating shaft to rotate and fixing the rotating shaft; a rotating speed sensor, the rotating speed sensor being used for detecting the rotating speed of the rotating roller of the belt conveyor; and a controller, the controller being signal-connected with the adjusting and fixing mechanism and the rotating speed sensor and being used for adjusting the rotating angle of the rotating shaft according to the rotating speed of the rotating roller of the belt conveyor. The purpose is that the inclined material guide plate with the inclined lower end is used for receiving the cut tobacco, the cut tobacco is caused to fall in different positions of the screening vibration trough by the inclination of the lower end of the material guide plate, and the cut tobacco is prevented from being accumulated in the middle position of the screening vibration trough.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of cigarette production equipment, and particularly relates to an automatic speed-adjusting belt conveyor material uniformizing device. BACKGROUND

[0002] After the tobacco shreds pass through a tobacco shred drying process, the tobacco shreds are transported to a downstream screening vibration chute by a belt conveyor, and after fine tobacco shreds are screened out by the screening vibration chute, the tobacco shreds are transported into a blending room for processing of the next process. Since the belt conveyor and the screening vibration chute are connected at a 90-degree right angle, the tobacco shreds falling from the belt conveyor are concentrated and accumulated at the middle part of the downstream screening vibration chute.

[0003] During the conveying process, the tobacco shreds are thrown forward by the screening vibration chute, which plays a certain material uniformizing role, but most of the tobacco shreds are still accumulated at the middle position of the vibration chute, so that the tobacco shreds do not fully contact the screen, the efficiency of tobacco shred screening is low, and the tobacco shred crushing is increased. SUMMARY

[0004] The application aims to provide an automatic speed-adjusting belt conveyor material uniformizing device, which can receive the tobacco shreds falling from the belt conveyor by the obliquely arranged guide plate, gradually incline the lower end of the guide plate along the length direction of the screening vibration chute to the direction close to the belt conveyor, so that the tobacco shreds fall at different positions of the screening vibration chute, avoid the accumulation of the tobacco shreds at the middle position of the screening vibration chute, and further avoid the problem that the tobacco shreds do not fully contact the screen, the efficiency of tobacco shred screening is low, and the tobacco shred crushing is increased.

[0005] To achieve the above technical purposes, the technical scheme adopted by the application is as follows:

[0006] An automatic speed-adjusting belt conveyor material uniformizing device comprises:

[0007] A machine head cover is installed at the end of the belt conveyor and above the screening vibration chute, an obliquely arranged guide plate is arranged in the machine head cover, and the lower end of the guide plate is gradually inclined along the length direction of the screening vibration chute to the direction close to the belt conveyor;

[0008] A rotating shaft is transversely rotatably installed on the machine head cover, and the guide plate is fixedly installed on the rotating shaft;

[0009] An adjusting and fixing mechanism is used to drive the rotating shaft to rotate and fix the rotating shaft;

[0010] A rotating speed sensor is used to detect the rotating speed of the rotating roller of the belt conveyor;

[0011] A controller is in signal connection with the adjusting and fixing mechanism and the rotating speed sensor, and is used to adjust the rotating angle of the rotating shaft according to the rotating speed of the rotating roller of the belt conveyor.

[0012] Further limitation, the adjusting and fixing mechanism comprises a connecting rod and a telescopic cylinder, the connecting rod is located outside the head cover and fixedly connected with the rotating shaft, one end of the telescopic cylinder is hingedly connected with the head cover and the other end is hingedly connected with the free end of the connecting rod, and the telescopic cylinder is signal-connected with the controller. Such structural design, through the telescopic cylinder, the rotating shaft is driven to rotate, and the self-locking of the telescopic cylinder is used to fix the rotating shaft, which is simple in structure, convenient to use and high in practicability.

[0013] Further limitation, the adjusting and fixing mechanism comprises a worm gear, a worm and a controllable motor, the worm gear is fixedly installed on the rotating shaft and located outside the head cover, the worm is fixedly installed on the power output end of the controllable motor and engaged with the worm gear, and the controllable motor is fixedly installed on the head cover. Such structural design, through the controllable motor, the worm is driven to rotate, the engagement of the worm gear and the worm is used to drive the rotating shaft to rotate, and the self-locking of the worm gear and the worm is used to fix the rotating shaft, which is simple in structure, convenient to use and high in practicability.

[0014] Further limitation, the material guiding plates are two. Such structural design, through the two material guiding plates, the uniformity of the tobacco falling on the screening vibration groove is further improved, which is high in practicability.

[0015] Further limitation, one of the material guiding plates is inclined from top to bottom to the direction away from the belt conveyor, and the other material guiding plate is inclined from top to bottom to the direction close to the belt conveyor. Such structural design, through the cross arrangement of the two material guiding plates, the uniformity of the tobacco falling on the screening vibration groove is further improved, which is high in practicability.

[0016] Further limitation, the head cover is further provided with a separating mechanism, the separating mechanism is located below the belt conveyor and above the material guiding plates, the separating mechanism comprises a frame and a plurality of separating plates, the separating plates are arranged along the length direction of the belt conveyor and uniformly distributed along the length direction of the screening vibration groove. Such structural design, through the separating plates of the separating mechanism, the tobacco falling from the belt conveyor is uniformly separated, which to some extent reduces the problem that the tobacco cannot immediately fall from the material guiding plates after reaching the lower end edge of the material guiding plates due to the mutual adhesion of the tobacco, and further reduces the problem that the tobacco is accumulated on the screening vibration groove, which is high in practicability.

[0017] Further limitation, the separating mechanism is movably installed in the head cover, and a vibrating mechanism is installed between the head cover and the separating mechanism. Such structural design, through the vibrating mechanism, the separating mechanism is vibrated, which can avoid the accumulation of the tobacco on the separating mechanism and further avoid the problem that the tobacco cannot smoothly reach the material guiding plates.

[0018] Further limited, the vibration mechanism comprises a rocker arm and an eccentric block in transmission connection with the rotating roller of the belt conveyor, the rocker arm is hinged with the eccentric block, and the positioning shaft and the movable shaft are fixedly installed on both sides of the separating mechanism, the positioning shaft is rotatably installed on the head cover, and the movable shaft is hinged with the free end of the rocker arm through the outer wall of the head cover. Such a structure design, through the rocker arm and the eccentric block to constitute the vibration mechanism, to the transmission connection of the eccentric block and the rotating roller of the belt conveyor, realize the vibration of the separating mechanism, that is, directly use the belt conveyor as power, realize the vibration of the tobacco that falls on the separating mechanism, can reduce the use quantity of power mechanism, save equipment cost, practicality is stronger.

[0019] Further limited, the side wall of the head cover is provided with a avoiding hole at the corresponding position of the movable shaft, and the outer side of the head cover is fixedly installed with a baffle on the movable shaft. Such a structure design, through the baffle to shield the baffle, can avoid the tobacco from falling from the avoiding hole, and has strong practicability.

[0020] The application adopting the above technical scheme has the following advantages:

[0021] 1. The guide plate is arranged obliquely to receive the tobacco falling from the belt conveyor, and the lower end of the guide plate is gradually inclined towards the belt conveyor along the length direction of the screening vibration groove, so that the tobacco falls at different positions of the screening vibration groove, thereby avoiding the tobacco from accumulating at the middle position of the screening vibration groove, and further avoiding the tobacco from not being fully contacted with the screen mesh, the low efficiency of tobacco dust screening, and the problem of tobacco crushing.

[0022] 2. The rotating speed of the rotating roller of the belt conveyor is detected by the rotating speed sensor, the fixed mechanism is controlled and adjusted by the controller to act on the rotating shaft, and then the inclination angle of the guide plate is adjusted, so that the tobacco conveyed to the guide plate at different speeds is uniformly distributed, and the tobacco is prevented from accumulating on the guide plate.

[0023] 3. The cross arrangement of the two guide plates can further improve the uniformity of the tobacco falling into the screening vibration groove, and has strong practicability.

[0024] 4. The separating plate of the separating mechanism uniformly separates the tobacco falling from the belt conveyor, which to some extent reduces the problem that the tobacco cannot immediately fall from the guide plate after reaching the edge of the lower end of the guide plate due to the mutual adhesion between the tobaccos, and further causes the tobacco to accumulate on the screening vibration groove, and has strong practicability.

[0025] 5. The rocker arm and the eccentric block constitute the vibration mechanism, the eccentric block is in transmission connection with the rotating roller of the belt conveyor, the vibration of the separating mechanism is realized, that is, the belt conveyor is directly used as power to realize the vibration of the tobacco falling on the separating mechanism, the use quantity of the power mechanism can be reduced, the equipment cost is saved, and the practicability is strong. Attached Figure Description

[0026] The present invention can be further illustrated by the non-limiting embodiments given in the accompanying drawings;

[0027] Figure 1 This is a schematic diagram of an embodiment of an automatic speed-regulating belt conveyor material leveling device according to the present invention;

[0028] Figure 2 for Figure 1 Enlarged structural diagram at point A;

[0029] Figure 3 for Figure 1 Enlarged structural diagram at point B;

[0030] Figure 4 This is a schematic diagram of the structure of an automatic speed-regulating belt conveyor material leveling device after removing the head cover in an embodiment of the present invention;

[0031] Figure 5 This is a schematic diagram of the guide plate portion in an embodiment of an automatic speed-regulating belt conveyor material leveling device of the present invention;

[0032] Figure 6 This is a schematic diagram of the structure of the guide plate and the separating mechanism in an embodiment of an automatic speed-regulating belt conveyor material leveling device of the present invention;

[0033] The symbols for the main components are explained below:

[0034] 1. Head cover 11. Belt conveyor 12. Screening vibrating trough

[0035] Guide plate 2

[0036] Rotating shaft 3, connecting rod 31, telescopic cylinder 32

[0037] Frame 41, Divider 42,

[0038] Rocker arm 51, eccentric block 52, positioning shaft 53, movable shaft 54, baffle 55. Detailed Implementation

[0039] The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. It should be noted that similar or identical parts are referred to by the same reference numerals in the drawings or description. Implementations not shown or described in the drawings are forms known to those skilled in the art. In addition, directional terms mentioned in the embodiments, such as "up," "down," "top," "bottom," "left," "right," "front," and "back," are only for reference to the directions in the drawings and are not intended to limit the scope of protection of the present invention.

[0040] Example 1:

[0041] As Figures 1-6 shown, the automatic speed-adjusting belt conveyor material uniformizing device of the present application comprises:

[0042] a machine head cover 1 installed at the end of the belt conveyor 11 and above the screening shaker 12, an inclined material guide plate 2 is arranged in the machine head cover 1, the lower end of the material guide plate 2 is gradually inclined towards the belt conveyor 11 along the length direction of the screening shaker 12;

[0043] a rotating shaft 3, which is transversely rotatably installed on the machine head cover 1, and the material guide plate 2 is fixedly installed on the rotating shaft 3;

[0044] an adjusting and fixing mechanism, which is used to drive the rotating shaft 3 to rotate and fix the rotating shaft 3;

[0045] a rotating speed sensor, which is used to detect the rotating speed of the rotating roller of the belt conveyor 11;

[0046] a controller, which is signal connected with the adjusting and fixing mechanism and the rotating speed sensor, and is used to adjust the rotating angle of the rotating shaft 3 according to the rotating speed of the rotating roller of the belt conveyor 11.

[0047] The adjusting and fixing mechanism comprises a connecting rod 31 and a telescopic cylinder 32, the connecting rod 31 is located outside the machine head cover 1 and is fixedly connected with the rotating shaft 3, one end of the telescopic cylinder 32 is hingedly connected with the machine head cover 1, and the other end is hingedly connected with the free end of the connecting rod 31, and the telescopic cylinder 32 is signal connected with the controller. Through the extension and contraction of the telescopic cylinder 32, the rotating shaft 3 is driven to rotate, and through the self-locking action of the telescopic cylinder 32, the fixing of the rotating shaft 3 is completed, which is simple in structure, convenient to use and has strong practicability.

[0048] There are two material guide plates 2. The two material guide plates 2 can further improve the uniformity of the tobacco falling on the screening shaker 12, and have strong practicability.

[0049] One of the material guide plates 2 is inclined from top to bottom towards the direction away from the belt conveyor 11, and the other material guide plate 2 is inclined from top to bottom towards the direction close to the belt conveyor 11. Through the cross arrangement of the two material guide plates 2, the uniformity of the tobacco falling on the screening shaker 12 can be further improved, and the practicability is strong.

[0050] The head cover 1 is further provided with a separation mechanism located below the belt conveyor 11 and above the guide plate 2, which comprises a frame 41 and a plurality of separation plates 42 arranged along the length direction of the belt conveyor 11 and uniformly distributed along the length direction of the screening vibration chute 12. The separation plates 42 of the separation mechanism uniformly separate the tobacco from the belt conveyor 11, which can to some extent reduce the problem that the tobacco cannot immediately fall from the guide plate 2 after reaching the lower end edge of the guide plate 2 due to the mutual adhesion between the tobaccos, and further reduce the problem that the tobacco is accumulated on the screening vibration chute 12, which has high practicability.

[0051] The separation mechanism is movably installed in the head cover 1, and a vibration mechanism is installed between the head cover 1 and the separation mechanism. The vibration mechanism vibrates the separation mechanism, which can avoid the accumulation of tobacco on the separation mechanism and further avoid the problem that the tobacco cannot smoothly reach the guide plate 2.

[0052] The vibration mechanism comprises a rocker arm 51 and an eccentric block 52 in transmission connection with the rotating roller of the belt conveyor 11, the rocker arm 51 is hinged to the eccentric block 52, and the two sides of the separation mechanism are fixedly installed with a positioning shaft 53 and a movable shaft 54, the positioning shaft 53 is rotatably installed on the head cover 1, and the movable shaft 54 is hinged to the free end of the rocker arm 51 through the outer wall of the head cover 1.

[0053] In fact, the vibration motor can also be directly installed in the head cover 1 according to the actual situation, and the vibration motor directly drives the separation mechanism to vibrate. In the embodiment, the vibration mechanism is preferably composed of the rocker arm 51 and the eccentric block 52, and the transmission connection between the eccentric block 52 and the rotating roller of the belt conveyor 11 realizes the vibration of the separation mechanism, that is, the belt conveyor 11 is directly used as the power to realize the vibration of the tobacco falling on the separation mechanism, which can reduce the number of power mechanisms, save equipment cost, and has high practicability.

[0054] The side wall of the head cover 1 is provided with a avoiding hole corresponding to the movable shaft 54, and the outer side of the head cover 1 is fixedly installed with a baffle 55 on the movable shaft 54. The baffle 55 can shield the baffle to avoid the tobacco falling from the avoiding hole, which has high practicability.

[0055] In the embodiment, the tobacco moves to the screening vibration chute 12 through the belt conveyor 11, is separated by the separation plates 42 of the separation mechanism, falls on the inclined guide plate 2, and slides downward along the inclined guide plate 2 under the action of gravity until falling from the edge of the guide plate 2 to the screening vibration chute 12;

[0056] During the conveying of the tobacco by the belt conveyor 11, the rotating speed of the rotating roller of the belt conveyor 11 is detected by the rotating speed sensor, the controller controls the extension and retraction of the telescopic cylinder 32, and then controls the rotating angle of the rotating shaft 3, and then adjusts the inclination angle of the guide plate 2, so that the tobacco conveyed to the guide plate 2 at different speeds is leveled, that is, when the running speed of the belt conveyor 11 is increased, the inclination angle of the guide plate 2 is increased, so as to avoid the accumulation of the tobacco on the guide plate 2.

[0057] Embodiment Two:

[0058] As shown in Figures 1-6 , the automatic speed-adjusting belt conveyor leveling device of the application comprises:

[0059] The head cover 1 is installed at the end of the belt conveyor 11 and above the screening vibration chute 12, the guide plate 2 is obliquely arranged in the head cover 1, and the lower end of the guide plate 2 gradually inclines towards the belt conveyor 11 along the length direction of the screening vibration chute 12;

[0060] The rotating shaft 3 is transversely rotatably installed on the head cover 1, and the guide plate 2 is fixedly installed on the rotating shaft 3;

[0061] The adjusting and fixing mechanism is used to drive the rotating shaft 3 to rotate and fix the rotating shaft 3;

[0062] The rotating speed sensor is used to detect the rotating speed of the rotating roller of the belt conveyor 11;

[0063] The controller is signal connected with the adjusting and fixing mechanism and the rotating speed sensor, and is used to adjust the rotating angle of the rotating shaft 3 according to the rotating speed of the rotating roller of the belt conveyor 11.

[0064] The adjusting and fixing mechanism comprises a worm wheel, a worm and a controllable motor, the worm wheel is fixedly installed on the rotating shaft 3 and outside the head cover 1, the worm is fixedly installed on the power output end of the controllable motor and meshes with the worm wheel, and the controllable motor is fixedly installed on the head cover 1. The rotation of the worm is driven by the controllable motor, the meshing of the worm wheel and the worm is matched, the purpose of driving the rotating shaft 3 to rotate is achieved, the self-locking property of the worm wheel and the worm is utilized to fix the rotating shaft 3, the structure is simple, the use is convenient, and the practicality is strong.

[0065] The guide plate 2 is two. The two guide plates 2 are used to receive the tobacco, which can further improve the uniformity of the tobacco falling on the screening vibration chute 12, and the practicality is strong.

[0066] One of the guide plates 2 is inclined from top to bottom to the direction away from the belt conveyor 11, and the other guide plate 2 is inclined from top to bottom to the direction close to the belt conveyor 11. Through the cross arrangement of the two guide plates 2, the uniformity of the tobacco falling on the screening vibration chute 12 can be further improved, and the practicability is relatively strong.

[0067] The head cover 1 is also provided with a separation mechanism, which is located below the belt conveyor 11 and above the guide plate 2, and includes a frame 41 and a plurality of separation plates 42. The separation plates 42 are arranged along the length direction of the belt conveyor 11 and uniformly distributed along the length direction of the screening vibration chute 12. Through the separation plates 42 of the separation mechanism, the tobacco falling from the belt conveyor 11 is uniformly separated, which to some extent reduces the problem that the tobacco cannot immediately fall from the guide plate 2 after reaching the lower end edge of the guide plate 2 due to the mutual adhesion between the tobaccos, and further reduces the problem that the tobacco is accumulated on the screening vibration chute 12, and the practicability is relatively strong.

[0068] The separation mechanism is movably installed in the head cover 1, and a vibration mechanism is installed between the head cover 1 and the separation mechanism. Through the vibration mechanism, the separation mechanism is vibrated, which can avoid the accumulation of tobacco on the separation mechanism, and further avoid the problem that the tobacco cannot smoothly reach the guide plate 2.

[0069] The vibration mechanism includes a rocker arm 51 and an eccentric block 52 in transmission connection with the rotating roller of the belt conveyor 11. The rocker arm 51 is hinged to the eccentric block 52. The two sides of the separation mechanism are fixedly installed with a positioning shaft 53 and a movable shaft 54. The positioning shaft 53 is rotatably installed on the head cover 1. The movable shaft 54 penetrates the outer wall of the head cover 1 and is hinged to the free end of the rocker arm 51.

[0070] In fact, according to the actual situation, a vibration motor can be directly installed in the head cover 1 to directly drive the separation mechanism to vibrate. In this embodiment, the vibration mechanism is preferably composed of the rocker arm 51 and the eccentric block 52. The transmission connection between the eccentric block 52 and the rotating roller of the belt conveyor 11 realizes the vibration of the separation mechanism, that is, directly uses the belt conveyor 11 as the power to realize the vibration of the tobacco falling on the separation mechanism. The use quantity of the power mechanism can be reduced, the equipment cost can be saved, and the practicability is relatively strong.

[0071] The side wall of the head cover 1 is provided with an avoiding hole at the position corresponding to the movable shaft 54. The outer side of the head cover 1 is fixedly installed with a baffle 55 on the movable shaft 54. Through the shielding of the baffle 55, the tobacco can be prevented from falling from the avoiding hole, and the practicability is relatively strong.

[0072] In the embodiment, the tobacco moves to the screening vibration chute 12 through the belt conveyor 11, is separated by the separating plate 42 of the separating mechanism, falls on the inclined guide plate 2, and slides downward along the inclined guide plate 2 under the action of gravity until it slides from the edge of the guide plate 2 to the screening vibration chute 12;

[0073] In the process of conveying the tobacco by the belt conveyor 11, the rotating speed of the rotating roller of the belt conveyor 11 is detected by the rotating speed sensor, the rotation of the worm is driven by the controllable motor under the control of the controller, the meshing of the worm wheel and the worm is matched, the rotating angle of the rotating shaft 3 is controlled, the inclination angle of the guide plate 2 is adjusted, and thus the tobacco conveyed to the guide plate 2 at different speeds is leveled, that is, when the rotating speed of the belt conveyor 11 is increased, the inclination angle of the guide plate 2 is increased to avoid the accumulation of the tobacco on the guide plate 2.

[0074] The automatic speed-adjusting belt conveyor leveling device provided by the application is described in detail above. The description of the specific embodiments is only used to help understand the method of the application and its core idea. It should be pointed out that those skilled in the art can make some improvements and modifications to the application without departing from the principles of the application, and these improvements and modifications also fall within the protection scope of the claims of the application.

Claims

1. An automatically speed-adjustable belt conveyor material-distributing device, characterized in that The utility model relates to a kind of head cover (1) for belt conveyor (11) end installation, and located above screening shaker (12), the head cover (1) is inclinedly provided with guide plate (2) in it, the lower end of the guide plate (2) gradually inclines to the direction close to belt conveyor (11) along the length direction of screening shaker (12);Rotary shaft (3) is transversely rotatably installed on the head cover (1), and the guide plate (2) is fixedly installed on the rotary shaft (3);Adjusting and fixing mechanism is used to drive rotary shaft (3) to rotate, and rotary shaft (3) is fixed;Rotational speed sensor is used to detect the rotational speed of the rotating roller of belt conveyor (11);Controller is signal connected with adjusting and fixing mechanism, rotational speed sensor, and is used to adjust the rotation angle of rotary shaft (3) according to the rotational speed of the rotating roller of belt conveyor (11);The head cover (1) is also provided with separation mechanism in it, and the separation mechanism is located below belt conveyor (11) and above guide plate (2), and the separation mechanism includes frame (41) and several separation plates (42), and several separation plates (42) are arranged along the length direction of belt conveyor (11) and evenly distributed along the length direction of screening shaker (12);The separation mechanism is movably installed in the head cover (1), and vibration mechanism is installed between the head cover (1) and the separation mechanism;The vibration mechanism includes rocker arm (51) and eccentric block (52) drivingly connected with the rotating roller of belt conveyor (11), the rocker arm (51) is hinged with the eccentric block (52), and the separation mechanism is fixedly installed with positioning shaft (53) and movable shaft (54) on both sides, the positioning shaft (53) is rotatably installed on the head cover (1), and the movable shaft (54) is hinged with the free end of rocker arm (51) by passing through the outer wall of the head cover (1). The adjusting and fixing mechanism includes connecting rod (31) and telescopic cylinder (32), the connecting rod (31) is located outside the head cover (1) and fixedly connected with rotary shaft (3), one end of the telescopic cylinder (32) is hinged with the head cover (1), the other end is hinged with the free end of connecting rod (31), and the telescopic cylinder (32) is signal connected with the controller. The adjusting and fixing mechanism includes worm gear, worm and controllable motor, the worm gear is fixedly installed on the rotary shaft (3) and located outside the head cover (1), the worm is fixedly installed on the power output end of controllable motor and engaged with the worm gear, and the controllable motor is fixedly installed on the head cover (1). The guide plate (2) is two. One of the guide plates (2) is inclined to the direction away from belt conveyor (11) from top to bottom, and the other guide plate (2) is inclined to the direction close to belt conveyor (11) from top to bottom. The side wall of the head cover (1) is provided with a avoiding hole at the corresponding position of the movable shaft (54), and the outer side of the head cover (1) is fixedly provided with a baffle (55) on the movable shaft (54). ​ ​ ​ 2. A speed-adjustable belt conveyor material-distributing device according to claim 1, characterized in that: ​ 3. A speed-adjustable belt conveyor material-distributing device according to claim 1, characterized in that: ​ 4. A speed-adjustable belt conveyor material-distributing device according to claim 1, characterized in that: ​ 5. A speed-adjustable belt conveyor material-distributing device according to claim 4, characterized in that: ​ 6. A speed-adjustable belt conveyor material-distributing device according to claim 1, characterized in that: ​

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