Mechanical dispenser for automatic distribution of conveyor belt material

Abstract

The present application belongs to the technical field of quartz sand screening process and equipment, and particularly relates to a mechanical automatic distribution conveyor belt material distributor. In the traditional way, the artificial distribution method usually adopted is not only inefficient, but also prone to uneven distribution or waste of materials caused by human error. The present application provides a mechanical automatic distribution conveyor belt material distributor, in particular a mechanical automatic distribution system, which can realize automatic distribution of materials and has the advantages of simple structure, accurate positioning and adaptability to various material conveyance. The distributor mainly comprises a material distribution plate and a material clamping plate, and the two material clamping plates are in inverted V shape. The distributor is divided into 2-5 distribution small plates, and adjacent distribution small plates are freely movable or locked and linked. The present application can quickly and accurately distribute materials on different production lines, reducing the time cost of manual operation; it is suitable for distribution of various materials and can be adjusted according to production needs.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of quartz sand screening process and equipment, and particularly relates to a mechanical type automatic distributor for distributing and conveying belt materials. BACKGROUND

[0002] Quartz sand is an important industrial mineral raw material, which is widely used in glass, electronic and electrical appliances, mechanical casting, metallurgy, chemical industry, cement, daily-use ceramic, refractory material, superhard material, functional filler, petroleum drilling and many other industries. The classification of silica sand mainly adopts screening and hydraulic classification. The main equipment used for separating silica sand by hydraulic classification method includes a classifier, and the sand in the classifier is divided into three parts, i.e., a floating layer, a suspended layer and a bottom layer, which occupy the upper, middle and lower three layers in the classification container. In actual production, hydraulic classification is carried out in a hindered settling tank. Due to the characteristics of hydraulic classification, a high dispersion degree must be provided between each particle size, and a certain cross-sectional size of the equipment must be ensured to meet the requirements of classification accuracy and production rate. The hydraulic classification of silica sand is currently the main screening method, and the production line thereof includes the steps of collecting, conveying, primary desliming and removing impurities, scrubbing, classifying and concentrating the raw sand, and the production line generally operates continuously.

[0003] In modern industrial production, the automatic conveying and distribution of materials are important links for improving production efficiency. Generally, in order to ensure the coordinated operation of each link of hydraulic classification, a split operation line is usually arranged at some links (such as slurry adjustment and scrubbing), i.e., a material line is distributed to two or more special processing link lines, so that the material can be distributed and processed on the parallel processing lines, so as to coordinate the flow and processing efficiency. However, in the traditional way, the manual distribution method not only has low efficiency, but also is prone to uneven distribution or waste of materials due to human error. In addition, there is also a technical solution in the prior art that uses a screw to adjust and fix the movable plate for distributing materials, but this method also has the problems of fixed adjustment mode and inability to automatically adjust the distribution due to uneven feeding of the conveying belt. Therefore, it is of great economic and social value to develop a mechanical type automatic distribution system with high efficiency and accuracy. SUMMARY

[0004] The main purpose of the present application is to solve the above-mentioned existing problems, and provide a mechanical type automatic distributor for distributing and conveying belt materials, which is used to distribute continuous sand slurry material in one way to multiple ways in the sand material conveying link of a silica sand mining and dressing production line, so that the multiple subsequent processing links can be parallel mineral dressing. The distributor is preferably a structure without power source, and particularly a mechanical type automatic distribution system, which is suitable for efficient and accurate distribution of materials in industrial production. The distributor can realize automatic distribution of materials, and has the advantages of simple structure, accurate positioning and adaptability to various material conveying.

[0005] The above object is achieved by the following technical scheme:

[0006] The above object is achieved by the following technical scheme:

[0007] The sand material conveying link mainly consists of the following components:

[0008] The conveying belt is used for preliminary transportation of the material at the front end and provides a material source for subsequent processes for distribution.

[0009] The distribution cavity is arranged at the end of the conveying belt and is used to receive the material conveyed by the conveying belt and to distribute the material to the subsequent processing link through the distributor.

[0010] The support platform is used to assemble, assemble, and support the conveying belt, the distribution cavity, and the distributor.

[0011] The conveying belt is assembled on the support platform and mainly consists of a roller shaft, a belt body, a support, and a motor.

[0012] The belt body is arranged on the roller shaft, the roller shaft is assembled on the support, the roller shaft is in transmission connection with the motor through a transmission shaft, and the support and the motor are fixedly assembled on the support platform.

[0013] The distribution cavity is assembled on the support platform and has an inverted Y shape.

[0014] The distribution cavity mainly consists of a material inlet, a branch, and a partition plate.

[0015] The distribution cavity is arranged at the end of the conveying belt and is used to receive the material conveyed by the conveying belt and to distribute the material to the subsequent processing link through the distributor.

[0016] The distribution cavity is arranged at the end of the conveying belt and is used to receive the material conveyed by the conveying belt and to distribute the material to the subsequent processing link through the distributor.

[0017] The widths of the distribution plates are all or partially different, and each distribution plate is assembled on the partition plate in a linear arrangement of "narrow-wide", or in a linear arrangement of "narrow-medium-wide", or in an axial symmetric arrangement of "wide-narrow-wide", or in a non-axial symmetric arrangement of "wide-narrow-medium-wide".

[0018] The feeding plate is provided with a control rod, one end of which is connected to the feeding plate and the other end of which freely extends away from the feeding plate.

[0019] The control rod is in a vertical state or an inclined state with the plane on which the distribution plate is located.

[0020] The control rod and the plane on which the distribution plate is located have a certain threshold angle of inclination, which includes a horizontal angle and a vertical angle.

[0021] The horizontal angle is between 15 and 45 degrees, and the vertical angle is between 15 and 45 degrees.

[0022] The distributor is provided with a counterweight, which is hung on the feeding plate or the control rod through a chain cable structure, and the counterweight makes the overall center of gravity of the distributor lower than the upper edge of the partition plate.

[0023] The counterweight is hung on the control rod, and the control rod is provided with a plurality of clamping positions, and the counterweight is movably hung on different clamping positions.

[0024] The beneficial effects of the present application are as follows:

[0025] (1) High efficiency: can quickly and accurately distribute materials on different production lines, reducing the time cost of manual operation;

[0026] (2) Flexibility: suitable for the distribution of various materials, and can be adjusted according to production needs;

[0027] (3) Stability: the mechanical design ensures that the accuracy and consistency of distribution are maintained in long-term use;

[0028] (4) The mechanical automatic distributor is widely used in silicon sand mining, ore crushing, food processing, chemical industry, electronic manufacturing and other industries, greatly improving the efficiency and precision of material distribution. BRIEF DESCRIPTION OF DRAWINGS

[0029] The drawings of the present application specification are described as follows:

[0030] Figure 1 is the overall structure schematic diagram of the distributor in embodiment 1 of the present application;

[0031] Figure 2 is the overall structure schematic diagram of the distribution plate in embodiment 2 of the present application;

[0032] Figure 3 is a structural schematic diagram of the control lever provided for the distributor or distribution plate according to the present application based on embodiment 2;

[0033] Figure 4 is a structural schematic diagram of the control lever and counterweight provided for the distributor or distribution plate according to the present application based on embodiment 2;

[0034] Figure 5 is a structural schematic diagram of the control lever on the distributor according to embodiment 3 of the present application;

[0035] Figure 6 is an enlarged schematic diagram of part A in Figure 5 is a structural schematic diagram of the control lever on the distributor according to embodiment 3 of the present application, showing the inclination angle;

[0036] Figure 7 is a structural schematic diagram of the pre-screening fence according to embodiment 5 of the present application.

[0037] In the drawings, the reference signs are as follows:

[0038] 10 conveyor belt, 11 roller shaft, 12 belt body, 13 support, 14 motor;

[0039] 20 support platform;

[0040] 30 distribution cavity, 31 feeding port, 32 branch, 33 partition, 34 pre-screening fence, 341 screen rod;

[0041] 40 distributor, 41 distribution plate, 42 material supporting plate, 420 control lever, 421 clamping position, 43 distribution platelet, 44 counterweight;

[0042] 50 sand material. DETAILED DESCRIPTION

[0043] In the current process flow, a flow-type continuous production mode is generally adopted, i.e., raw sand mortar is continuously supplied with raw materials, the whole production line is coordinated to run, and the production of refined sand products can be connected. In the above continuous production process, each processing procedure and between the procedures need to be coordinated and matched to prevent process and material congestion or interruption, thereby affecting the production efficiency and product quality. Therefore, the running process of the quartz sand flotation production line and the production equipment adapted thereto are closely related and constitute a system, which complement each other. Specifically, the present application proposes a production equipment applied in the above production line and capable of automatically adjusting the distribution ratio of materials, which can maintain the consistency of raw material supply, avoid the fluctuation of the distribution flow of branch materials in the subsequent processing link, and greatly improve the production rate and product precision of refined sand.

[0044] Embodiment 1

[0045] AsFigures 1-2 As shown, the mechanical automatic distributor for distributing conveyor materials of the embodiment is used to realize the distribution of continuous mortar materials into multiple paths in the sand conveying link of the silica sand mining and dressing production line, so that the multiple subsequent processing links can be parallelly beneficiated. For the silica sand mining and dressing industry, the separation and treatment of sand particles mainly reflects in the aspects of composition concentration and particle size concentration. The composition concentration refers to the beneficiated sand product having high proportion of single composition, such as the photovoltaic glass sand generally requiring the content of silicon dioxide in the product to be above 99.5% and the content of iron to be below 100 ppm; and the fracturing sand product generally requiring the particle size range of 850-425 μm and the sand particle content to be above 90%. Therefore, the mortar raw material is divided into multiple paths for separate treatment, which is beneficial to achieve the above-mentioned indexes. However, in the process of dividing into multiple paths, the mortar raw material is often unevenly distributed to the multiple paths, which leads to the difference in the mortar concentration in the multiple paths and causes the products from the separation and treatment links to be inconsistent in the above-mentioned indexes. In particular, in the floatation screening technology, the mortar concentration is related to the amount of reagent added, and the difference in the mortar concentration is likely to further amplify the flotation effect, resulting in poor consistency of the final product quality. The distributor described in the application is mainly used to solve the problem of uneven distribution of mortar raw material in the process of dividing into multiple paths, and the problems of low efficiency and poor effect of the conventional manual method.

[0046] The mechanical automatic distributor for distributing conveyor materials of the embodiment is assembled in the sand conveying link of the silica sand mining and dressing production line, and is used to divide the continuous mortar materials into multiple paths. The sand conveying link mainly consists of the following components: a conveyor belt 10 for the preliminary transportation of sand 50 at the front end and providing a material source for the subsequent process, so as to distribute the sand 50 into multiple paths; a distribution cavity 30 arranged at the end of the conveyor belt, for receiving the sand 50 conveyed by the conveyor belt 10 and adjusting the distribution of the sand 50 to the subsequent processing link through the distributor 40; and a support platform 20 for assembling, assembling and supporting the conveyor belt 10, the distribution cavity 30 and the distributor 40. For the embodiment, the conveyor belt 10 and the support platform 20 are all conventional devices, which can adopt any existing technical solution, and will not be described here.

[0047] As a technical feature distinguished from the prior art, the technical solution of the embodiment is characterized in that:

[0048] (1) The conveying belt 10 is assembled on the support platform 20, and the conveying belt 10 mainly comprises roller shafts 11, a belt body 12, supports 13 and motors 14. The belt body 12 is arranged on the roller shafts 11, the roller shafts 11 are assembled on the supports 13, the roller shafts 11 are in transmission connection with the motors 14 through transmission shafts, and the supports 13 and the motors 14 are fixedly assembled on the support platform 20. The conveying belt 10 is used for providing sand 50 to the distributor 40. The technical problem of the present application also originates from this. The sand 50 on the conveying belt 10 is not strictly symmetrical and equally distributed according to the shape of the belt body 12. The sand 50 on the belt body 12 can be left-biased, right-biased or unevenly distributed in the longitudinal direction. When a conventional fixed distribution plate or manual adjustment is used, the distribution plate cannot be flexibly and timely adjusted, resulting in uneven distribution of multiple paths.

[0049] (2) The distribution cavity 30 is assembled on the support platform 20, and the distribution cavity 30 is in an inverted Y shape. The distribution cavity 30 is a shell structure arranged at the lower end of the conveying belt 10. Because the conveying belt body has a certain speed, the sand 50 on the conveying belt 10 will fall in a parabolic manner. Due to the influence of initial speed, weight and other factors, there may be a certain gap in the longitudinal distance of the sand falling into the distribution cavity, and there may be a large difference in the amount of sand at different positions in the longitudinal distance. This also makes it impossible to use a conventional fixed distribution plate or a single movable distribution plate to adapt to the unstable working conditions of the sand and mortar, and the current situation of uneven distribution of sand cannot meet the above-mentioned silica sand sorting requirements. The distribution cavity 30 mainly comprises an inlet 31, branches 32 and a partition plate 33. The branches 32 are preferably two to fully utilize the operation of the distribution cavity 30 on the natural falling sand in multiple paths. The inlet 31 is located at the upper part of the distribution cavity 30 and is in an open type to receive the sand 50. The lower part of the inlet 31 is provided with two branches 32, and the intersection of the two branches is provided with the partition plate 33, on which the distributor 40 is assembled. As described in point (3), the distributor 40 is in an inverted Y shape, and the root of the inverted Y shape is formed by the intersection of two distribution plates 42. A rotating shaft or the like is arranged at the included angle, so that the distributor 40 is movably assembled on the upper edge of the partition plate 33. Because the distributor 40 is movably connected with the partition plate 33, the distributor 40 can swing left and right on the partition plate 33, so that the distribution plate 41 swings, thereby adjusting the inlet size of the two branches 32 of the distribution cavity 30 and realizing the flow adjustment of the incoming material;

[0050] (3) The distributor 40 is a platform plate, and the cross section of the distributor 40 is in an inverted Y shape. The root of the inverted Y shape of the distributor 40 is movably connected with the upper edge of the partition plate of the distribution cavity.

[0051] (4) The distributor 40 includes a material distribution plate 41 and a material mounting plate 42. There is one material distribution plate 41 and two material mounting plates 42. The upper ends of the two material mounting plates 42 are fixedly connected to the lower ends of the material distribution plate 41 or integrally formed. The material distribution plate 41 is vertically upright. The two material mounting plates 42 are in an inverted V-shape with an angle of 30-120 degrees between them. When the two material mounting plates 42 are in an angle of 30 degrees and the material distribution plate 41 is in its initial vertical state, the swing amplitude of the material mounting plate 42 is 15 degrees, that is, the amplitude by which the material distribution plate 41 deviates to one side from its initial vertical state is also 15 degrees. Furthermore, it cannot tilt or swing further to prevent excessive adjustment of the inlet width of branch 32. Moreover, the distributor 40 should adjust the swing direction and amplitude of the distribution plate 41 in a timely manner according to the distribution of sand supplied by the conveyor belt 10. Therefore, the distribution plate 41 should automatically return to its vertical position, which can be achieved by setting a spring structure or a hanging hammer structure between the distributor 40 and the distribution chamber 30. On the other hand, the distributor 40 should be able to sense the amount of sand entering the two branches 32, which is achieved by the tilted material-laying plate 42. Of course, if the material-laying plate 42 is too small, the sensing will be ineffective; if it is too large, it will be overly sensitive and easily cause blockage of the branches or even the distribution chamber. This issue can be further addressed in subsequent embodiments.

[0052] Example 2

[0053] like Figures 2-3 As shown, based on the above embodiments, the distributor 40 in this embodiment is divided into 2-5 distribution plates 43. The structure and assembly method of each distribution plate are the same as the distributor. Adjacent distribution plates can move freely or be locked together. The distribution plate 43 refers to the distribution plate 40, which is divided into several segments according to the structure and principle of the distributor described in Embodiment 1, with the material distribution plate 41 and the material mounting plate 42 of the distributor 40 divided into several segments on a plane perpendicular to the partition plate 33 of the distributor 30. Each segment constitutes a distribution plate, thereby dividing a whole distributor 40 into several independent distribution plates 43. Each distribution plate is also connected to the partition plate 33 of the distribution cavity 30 by means of a rotating shaft, as described in Embodiment 1. The distribution plate 43 can swing left and right about the upper edge of the partition plate 33. The name of the distribution plate is used here only to distinguish it from a single integral distributor. In essence, it is the same as the distributor. In other words, the distributor can be understood to include a single integral type as well as a segmented type composed of several independent distribution plates.

[0054] The reason why the distributor is designed as a split type in this embodiment is to solve the problem that a single integral distributor may not be able to adapt to the uneven feeding of the conveying belt 10. As mentioned in the above embodiment, the conveying belt 10 conveys the sand 50 at a certain rotating speed, and the sand 50 falls in a parabolic manner, showing far and near landing points on a certain horizontal line, and the amount of sand flowing through the far or near landing points is different, and the distribution of the sand 50 in the transverse direction parallel to the rotating shaft direction of the roller shaft 11 of the conveying belt 10 may also be uneven. Therefore, when a single integral distributor is used, the two material catching plates 42 on both sides of the distribution plate 41 will sense contradictory weights. For example, for the integral distributor, the material catching plate 42 on the right side near the inner end of the conveying belt 10 senses a larger weight (a larger amount of sand flows through the right side at a closer position of the parabola), causing the distribution plate 41 to tilt to the right; at the same time, or within a very short time, the material catching plate 42 on the left side away from the outer end of the conveying belt 10 also senses a larger weight (a larger amount of sand flows through the left side at a farther position of the parabola), which should force the distribution plate 41 to tilt to the left at the same time. Therefore, the integral distribution plate 41 cannot simultaneously adapt to the two sand distribution needs, and is likely to neutralize the bias in the form of force balance, and cannot achieve the purpose of more accurate sand distribution.

[0055] Based on the above problems, the embodiment adopts a split type multi-section distribution plate, which can adapt to the above-mentioned situation.

[0056] Further, the widths of the distribution plates 43 are all or partially different, and each distribution plate 43 is assembled on the partition plate 33 in a linear arrangement of "narrow-wide", or in a linear arrangement of "narrow-medium-wide", or in an axial symmetric arrangement of "wide-narrow-wide", or in a non-axial symmetric arrangement of "wide-narrow-medium-wide". The purpose of designing different widths for each distribution plate 43 is to further accurately sense the flow of sand 50. On the one hand, the distribution plate can adapt to the situation of parabolic falling of sand, and can sense sand along the parabola, and on the other hand, the distribution plate with a smaller width has a larger swing range and a more flexible return when sensing uneven distribution of sand on both sides, that is, it has sensitivity to continuous sand supply; the distribution plate with a wider width can distribute a larger amount of sand compared to the narrow distribution plate.

[0057] In actual production, the above-mentioned technical solutions may also have shortcomings for continuous fluid sand. Even arranging the distribution plates of different widths linearly, symmetrically, or asymmetrically cannot completely solve the practical problems. Therefore, the scheme of dividing the distributor 40 into distribution plates 43 can overcome the quantity limitation of 2-5. The distributor 40 can be divided into a larger number of distribution plates 43. By setting locking devices such as pins between adjacent distribution plates 43, some adjacent distribution plates can be flexibly locked into wider distribution plates, and can be freely adjusted according to actual conditions during production, thereby achieving more precise sand distribution.

[0058] Example 3

[0059] like Figures 3-6 As shown, based on the above embodiment, the material loading plate 42 in this embodiment is equipped with a control rod 420. One end of the control rod 420 is connected to the material loading plate 42, and the other end extends freely away from the material loading plate 42. The control rod 420 extends freely towards the branch 32 side of the distribution cavity 30, and its length can extend to the inner wall of the distribution cavity 30 on the side opposite to the material loading plate 42. It is preferable that the control rod 420 is not obstructed by the branch 32 or the distribution cavity 30 when it swings together with the distributor 40 (or the distribution plate 43). The function of the control rod 420 is to better sense the flow rate of sand 50 entering the branch 32, so as to cooperate with the material loading plate 42 to control the tilt of the distribution plate 41. The control rod 420 is preferably rod-shaped, which can sense the impact of sand on the one hand, and will not cause excessive obstruction of sand on the other hand, thus preventing the branch 32 from becoming blocked. Furthermore, the control rod 420 can also be designed as a flat shape and rotated at a certain angle along its axis to achieve a slanted assembly of the flat control rod, thereby allowing for more accurate sensing of the sand flow rate. Even further, the flat control rod can be twisted from its root connected to the material plate 42 towards its free end; that is, the root of the flat control rod is horizontal, gradually twisting outwards and downwards until it reaches an inclined or vertical position at the free end. The near-horizontal state can withstand a larger sand flow rate, controlling the material distribution plate 41 to swing with a smaller torque; while the far-end state only withstands a smaller sand flow rate, controlling the material distribution plate 41 to swing with a similar torque, and preventing excessive swinging of the material distribution plate due to the far end of the control rod bearing more sand.

[0060] Furthermore, the control lever 420 is perpendicular to or inclined to the plane where the material distribution plate 41 is located. The control lever 420 and the plane where the material distribution plate 41 is located have a certain threshold tilt angle, which includes a horizontal angle α and a vertical angle β; the horizontal angle α is between 15 and 45 degrees, and the vertical angle β is between 15 and 45 degrees.

[0061] Example 4

[0062] like Figures 4-5As shown, on the basis of the above embodiment, the distributor 40 described in the embodiment is provided with a counterweight 44, which is hung on the material supporting plate 42 or the control rod 420 through a chain cable structure, and the counterweight 44 makes the overall gravity center of the distributor 40 lower than the upper edge of the partition plate 33. The counterweight 44 is symmetrically arranged on the material supporting plate 42 or the control rod 420 on both sides.

[0063] The counterweight 44 is hung on the control rod 420, and the control rod 420 is provided with a plurality of clamping positions 421, and the counterweight 44 is movably hung on different clamping positions 421. By adjusting the counterweight 44 to be hung on different clamping positions 421, the return torque of the distributor 40 can be flexibly adjusted to cooperate with the more accurate distribution of the sand material.

[0064] Embodiment 5

[0065] As Figure 7 As shown, on the basis of the above embodiment, the distribution cavity 30 described in the embodiment is provided with a pre-screening fence 34, which is arranged below the conveying belt 10 and above the distributor 40. The pre-screening fence 34 is mainly composed of a plurality of screen rods 341, each of which is independently arranged and does not interfere with adjacent screen rods. One end of the screen rod 341 is fixed on the support platform 20, and the other end is a free end. Further, all the screen rods are fixed on a vibrating plate (not shown in the figure), which is driven by a motor. The vibrating plate drives the screen rods to vibrate at a high frequency, which can prevent the sand material 50 from being congested thereon. Further, the screen rod 341 and the vibrating plate are assembled and connected through a spring, which can enhance the vibration effect and flexibly adjust the distance between adjacent screen rods to prevent sand material from being blocked.

[0066] Finally, it should be noted that the above specific embodiments are only used to illustrate the technical solutions of the present application and are not limited. Although the present application is described in detail with reference to the examples, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present application, which should be covered in the scope of the claims of the present application.

Claims

1.A mechanical automatic distributor for distributing materials on a conveyor belt, the distributor being installed in a sand conveying section of a silica sand mining and processing production line, and being used to distribute continuous sand slurry material into multiple channels; the sand conveying section mainly comprises the following components: a conveyor belt, which is used to preliminarily transport materials at the front end and provide a material source for subsequent processes so as to distribute the materials into multiple channels; a distribution chamber, which is arranged at the end of the conveyor belt, and is used to receive materials conveyed by the conveyor belt and distribute the materials to subsequent processing sections through the distributor; a support platform, which is used to assemble, install and support the conveyor belt, the distribution chamber and the distributor; characterized in that: the conveyor belt is assembled on the support platform, and mainly comprises roller shafts, a belt body, a support base and a motor; the belt body is arranged on the roller shafts, the roller shafts are assembled on the support base, the roller shafts are in transmission connection with the motor through a transmission shaft, and the support base and the motor are respectively fixedly assembled on the support platform; the distribution chamber is assembled on the support platform, and has an inverted Y shape; the distribution chamber mainly comprises an inlet, branches and a partition; the inlet is located at the upper part of the distribution chamber and is open to receive materials; the lower part of the inlet is divided into two branches, and the intersection of the two branches is provided with the partition on which the distributor is assembled; the distributor has a platform shape, and has an inverted Y shape in cross section; the inverted Y shape of the distributor is movably connected with the upper edge of the partition on the distribution chamber; the distributor is divided into 2-5 distribution plates; each distribution plate comprises a distribution plate and two clamping plates; the distribution plate has one clamping plate, and the clamping plate has two clamping plates; the upper ends of the two clamping plates are fixedly connected with or integrally formed with the lower end of the distribution plate; the distribution plate is in a vertical state, and the two clamping plates are in an inverted V shape with an included angle of 30-120 degrees; adjacent distribution plates are movably connected or locked together. the clamping plate is provided with a control rod, one end of the control rod is connected with the clamping plate, and the other end of the control rod freely extends away from the clamping plate. 2.A mechanical automatic distributor for distributing materials on a conveyor belt according to claim 1, characterized in that: the control rod is perpendicular to or inclined to the plane of the distribution plate. 3.A mechanical automatic distributor for distributing materials on a conveyor belt according to claim 2, characterized in that: the control rod and the plane of the distribution plate have a certain threshold inclination angle, and the inclination angle includes a horizontal angle and a vertical angle; the horizontal angle is between 15-45 degrees, and the vertical angle is between 15-45 degrees. 4.A mechanical automatic distributor for distributing materials on a conveyor belt according to claim 1, characterized in that: the distributor is provided with a counterweight, which is hung on the clamping plate or the control rod through a chain-like structure; the counterweight lowers the overall center of gravity of the distributor below the upper edge of the partition. 5.A mechanical automatic distributor for distributing materials on a conveyor belt according to claim 4, characterized in that: the counterweight is hung on the control rod, and the control rod is provided with a plurality of clamping positions; the counterweight is movably hung on different clamping positions. ​

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