CN202983838U - Material uniform distribution device - Google Patents

Abstract

The utility model discloses a material uniform distribution device, which comprises a material inlet at the upper end of the uniform distribution device, a material discharge port at the lower end of the uniform distribution device, a distribution plate and a cover plate. Three different design schemes are formed by designing special Gaussian surfaces or diverter blocks on the uniform distribution plate according to the flow characteristics of the fluid, and these design schemes are applicable to different materials. The material uniform distribution device with the above mechanism can evenly distribute the relatively concentrated materials, so that the materials at the discharge port flow out evenly, continuously and stably.

Description

A material uniform distribution device

technical field

The utility model relates to a material uniform distribution device, in particular to a material uniform distribution device applied to a roller crusher.

Background technique

Roller crusher is an industrial equipment widely used in crushing materials. It is mainly used in cement, chemical industry, electric power, metallurgy, building materials, refractory materials and other industrial sectors to crush medium-hard materials. It can be said that many industrial sectors have not broken With the help of machines, its cost will rise in a straight line. The general industrial roller crusher is mainly composed of toothed rollers, toothed roller support bearings, pressing and adjusting devices, and driving devices.

When using a roller crusher to crush materials, due to various reasons, the width of the material conveyed by the conveyor belt is not enough or the material itself is unevenly distributed on the conveyor belt. If the material uniform distribution device is not used, the material is directly sent to the crusher. In the middle, due to the uneven distribution of materials, the wear of the tooth plate on the toothed roller is also uneven, resulting in the low utilization rate of the tooth plate of the crusher, and it also causes the uneven particle size of the crusher output.

The existing material uniform distribution devices (such as utility model patents: 201120148070.3 and 201120472746.4) generally add various devices in the material feeding hood, and use the impact force of the material when it falls from the material inlet to perform uniform distribution. The distribution effect is seriously uncontrollable, and the noise is huge, the vibration is strong, and it is easy to cause damage to the uniform distribution device.

Contents of the invention

Aiming at various problems existing in the crushing of materials by existing crushers, the utility model provides a device for evenly distributing materials, which not only has a good uniform distribution effect, but also has small impact and vibration on the crusher and low noise, and the working environment can be greatly improved. improve.

In order to solve the above problems, the technical solution of the utility model is:

A material uniform distribution device, including a uniform material plate, a cover plate, a material inlet arranged between the uniform material plate and the cover plate, a material feed cover, a special structure placed on the uniform material plate, and a The feeding cover is connected to the crusher with a soft connection for sealing, and the distance between the cover plate and the uniform material plate is adjustable. Among them, the special structure on the equalizing plate can adopt three different methods: method 1, adopt Gaussian surface structure, this structure is designed according to the form of fluid flow, this structure can better ensure the uniform distribution of materials; method 2, use split flow A number of diverter blocks are arranged in a staggered manner according to certain rules. This diverter block is a pentagonal structure with an isosceles triangle on the upper part, which is more conducive to the diversion of materials, so as to better evenly distribute materials; method 3 is method 2. A special case where only 3 long shunt blocks are used.

According to the above technical scheme, the cover plate and the port of the evenly distributed plate together form a material inlet, and the material inlet is trumpet-shaped and transitions smoothly. This structure can squeeze the material entering the material inlet to a certain extent. So that the material will not protrude too high when it flows into the uniform distribution plate, so as to achieve a better uniform distribution effect.

According to above-mentioned technical scheme, adopt movable connection between described cover plate and evenly distributed plate, can adjust the spacing between cover plate and evenly distributed plate according to the speed that material flows into feeding port, guarantee cover plate and evenly distributed plate The throughput is slightly larger than the feeding amount, so that there will be no high protrusion between the cover plate and the uniform distribution plate, so as to obtain a better uniform distribution effect.

According to the above technical solution, the cover plate adopts different structures according to different structural forms of the equalizing plate: when the equalizing plate adopts a Gaussian curved surface structure, the cover plate also adopts a corresponding Gaussian curved surface structure to ensure that the cover plate The distance between the plate and the equalizing plate is equal; when the dividing block structure is used on the equalizing plate, the cover plate can adopt a flat plate structure.

According to the above technical solution, the Gaussian curved surface and the diverter block can be made into replaceable structures, and when damaged, only the damaged parts need to be replaced to work again, so as to reduce the use cost.

According to the above technical solution, the Gaussian curved surface on the homogenizing plate is a special curved surface structure designed according to fluid dynamics to meet the fluid flow characteristics, the upper curved surface is small, and the lower curved surface is large.

According to the above technical scheme, the diverter block on the homogenizing board is a pentagonal structure with an isosceles triangle at the upper part, and the tip of the upper part is more conducive to diverting the material, and they are arranged in a staggered manner on the homogenizing board according to certain rules .

According to the above technical solution, the feeding cover can be directly replaced by a soft connection, which only serves to prevent fine materials from entering the air and causing dust pollution.

Compared with the existing material uniform distribution technology, because the Gaussian curved surface or the shunt block structure on the uniform distribution plate of the utility model is designed according to the fluid flow form, a better uniform distribution effect can be achieved; the material uniform distribution of the utility model The uniform distribution surface of the device is arranged obliquely, and the gravitational potential energy of the material is used to drive the flow of the material, so that the speed of the material flowing into the crusher is relatively slow, which greatly enhances the controllability of the uniform distribution effect, and has a small impact on the crusher. Reduce the impact damage to the crusher; the material uniform distribution device of the utility model has low noise, which greatly improves the working environment; the material uniform distribution device of the utility model has a simple structure and a relatively small size structure, which not only saves space but also greatly cost savings to a certain extent.

Description of drawings:

Fig. 1 is the structure diagram of the material uniform distribution device of the present utility model;

Fig. 2 is the homogeneous plate adopting Gaussian curved surface structure;

Fig. 3 is the homogeneous plate adopting diverter block structure;

Fig. 4 is a homogenizing plate adopting a diverter plate structure, which is only a limit case of the structure shown in Fig. 3;

Among them: 1-conveyor belt; 2-feed inlet; 3-cover plate; 4-feed cover; 5-discharge port; 6-soft connection; 7-roller crusher;

Detailed ways:

For a better understanding of the utility model, the utility model will be further described below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

The utility model is installed above the feed inlet of the roll crusher frame.

As shown in Figures 1, 2, 3 and 4, the utility model includes a cover plate (3), a uniform material plate (8) and a special cloth structure on the uniform material plate (8): a Gaussian surface structure conforming to the fluid flow form or It is a diverter plate structure that conforms to the fluid flow characteristics. Wherein, the distance between the cover plate (3) and the uniform material plate (8) can be adjusted according to the material feeding situation.

Gaussian surfaces and splitter blocks for uniform distribution can be made into interchangeable structures.

Method 1: As shown in Figures 1 and 2, when the material on the transmission belt (1) enters the material inlet (2) formed by the cover plate (3) and the equalizing plate (8) and enters the equalizing process, first adjust the cover plate (3) The distance from the homogenizing plate (8) makes the throughput of the homogenizing plate (8) slightly larger than the feeding amount of the material, and then the smooth transition bell mouth on the cover plate (3) restrains the material from forming a protrusion, and the material After entering the equalizing plate (8), due to the cooperation of the Gaussian uniform surface on the equalizing plate (8) and the Gaussian uniform surface on the cover plate (3), the uniformly distributed material will flow from the equalizing plate (8) The lower end flows continuously and evenly into the material cover (4,), and then enters the crusher (7) through the discharge port (5).

Method 2: As shown in Figures 1 and 3, when the material on the transmission belt (1) enters the material inlet (2) formed by the cover plate (3) and the equalizing plate (8) and enters the equalizing process, first adjust the cover plate (3) The distance from the homogenizing plate (8) makes the throughput of the homogenizing plate (8) slightly larger than the feeding amount of the material, and then the smooth transition bell mouth on the cover plate (3) restrains the material from forming a protrusion, and the material After entering the uniform material plate (8), the material is divided by the diverter block on the uniform material plate (8), so that the material near the outlet on the uniform material plate is uniform, and the material after uniform distribution is continuous from the lower end of the uniform material plate (8). Evenly flow into the material cover (4,), and then enter the crusher (7) through the discharge port (5). Among them, the number and arrangement rules (direction) of the diverter blocks can be changed according to the uniformity and particle size of the incoming materials.

Method 3: As shown in Figures 1 and 4, this method is only a special form of the distribution plate in Method 2, that is, three diverter blocks are used, and the distance between the lower ends of the diverter blocks is the same, using mathematical theory and combining materials into the material inlet Calculate the amount of material that needs to be diverted in each splitter, and then design the spacing between the splitter plates at the inlet (slightly smaller in the middle, slightly larger on both sides), so that the material at the outlet reaches a certain level. Evenly distributed, that is, the amount of material in each splitter tank is equal.

The feeding cover (4) can be replaced with a soft connection, which has the same function as the soft connection (6), and only prevents fine materials from entering the air to cause dust pollution in the air.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present utility model shall be included in this utility model. within the scope of protection of utility models.

Claims (5)

1. A material uniform distribution device, comprising a uniform material plate (8), a cover plate (3), a material inlet (2), a material inlet cover (4) and a material outlet (5), characterized in that: The material plate (8) is provided with a Gaussian curved surface for material homogenization or angle-controllable diverter blocks arranged according to certain rules. 2. The material uniform distribution device according to claim 1, characterized in that: the distance between the cover plate (3) and the material uniform plate (8) can be adjusted according to the incoming material speed of the material inlet (2). 3. The material uniform distribution device according to claim 1, characterized in that: the opening of the material inlet (2) is slightly larger, with a smooth transition in the shape of a bell mouth. 4. The material uniform distribution device according to claim 1, when the Gaussian curved surface is used on the uniform material plate (8), the cover plate (3) also adopts the corresponding Gauss curved surface, so that the uniform material plate (8) equal to the distance between the cover plate (2). 5. The uniform distribution device according to claim 1, when the distribution block is used on the distribution plate (8), the distribution block adopts a pentagonal structure with an isosceles triangle at the top.

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