阅读说明：本技术 一种造粒机用均匀撒粉装置 (uniform powder scattering device for granulator ) 是由 褚忠平 褚海峰 褚云峰 于 2019-09-11 设计创作，主要内容包括：本发明公开了一种造粒机用均匀撒粉装置,包括：粉料仓,内部填充有颗粒状的粉料；加粉辊,水平设置在粉料仓的下方,所述粉料仓底部对称设置有斜指向加粉辊的导流板,所述加粉辊外圆上设置有密布的储粉凹槽；被动毛刷辊,平行设置在加粉辊一侧,被动毛刷辊外圆上的刷毛与加粉辊接触而被动旋转；柔性刮刀,设置在导流板上,并与加粉辊表面接触而避免漏粉；电机,进行加粉辊的旋转驱动。通过上述方式,本发明所述的造粒机用均匀撒粉装置,利用加粉辊的旋转,使得储粉凹槽中填充的粉料落至下方,并通过被动毛刷辊进行储粉凹槽的清理,避免储粉凹槽中残留部分粉料而影响撒粉的均匀性,有利于减少粉料的浪费。(the invention discloses a uniform powder scattering device for a granulator, which comprises: a powder bin filled with granular powder; the powder feeding roller is horizontally arranged below the powder bin, guide plates which are obliquely directed to the powder feeding roller are symmetrically arranged at the bottom of the powder bin, and densely distributed powder storage grooves are formed in the outer circle of the powder feeding roller; the driven brush roller is arranged on one side of the powder adding roller in parallel, and bristles on the excircle of the driven brush roller are in contact with the powder adding roller to rotate passively; the flexible scraper is arranged on the guide plate and is in contact with the surface of the powder adding roller to avoid powder leakage; and a motor for driving the powder feeding roller to rotate. Through the mode, the uniform powder scattering device for the granulator disclosed by the invention has the advantages that the powder filled in the powder storage groove falls to the lower part by utilizing the rotation of the powder adding roller, the powder storage groove is cleaned by the driven brush roller, the influence on the powder scattering uniformity caused by the residual powder in the powder storage groove is avoided, and the waste of the powder is favorably reduced.)

1. The utility model provides a granulator is with even dusting device which characterized in that includes:

A powder bin filled with granular powder;

The powder feeding roller is horizontally arranged below the powder bin, guide plates which are obliquely directed to the powder feeding roller are symmetrically arranged at the bottom of the powder bin, and densely distributed powder storage grooves are formed in the outer circle of the powder feeding roller;

the driven brush roller is arranged on one side of the powder adding roller in parallel, and bristles on the excircle of the driven brush roller are in contact with the powder adding roller to rotate passively;

the flexible scraper is arranged on the guide plate and is in contact with the surface of the powder adding roller to avoid powder leakage;

And a motor for driving the powder feeding roller to rotate.

2. The uniform dusting device for granulator of claim 1 wherein the bottom of the powder bin is provided with brackets at both ends of the powder application roller, and the brackets are provided with bearings corresponding to the powder application roller and the driven brush roller.

3. the uniform dusting device for granulator of claim 1, wherein the top of the powder bin is provided with a motor fixing seat, and the motor is arranged on the motor fixing seat and above one end of the powder feeding roller.

4. The uniform dusting device for granulator according to claim 3 wherein the end of the rotating shaft of the motor is provided with a first chain wheel, the end of the dusting roller is provided with a second chain wheel corresponding to the first chain wheel, and the first chain wheel and the second chain wheel are connected by a chain.

5. The uniform dusting device for granulator according to claim 3 wherein the end of the rotating shaft of the motor is provided with a first belt pulley, the end of the dusting roller is provided with a second belt pulley corresponding to the first belt pulley, and the first belt pulley and the second belt pulley are connected by a belt.

6. The uniform dusting device for granulator of claim 1, wherein the powder storage grooves are distributed in a dotted or strip shape on the outer circle of the powder adding roller, and the depth of the powder storage grooves is less than 1 mm.

7. The uniform powder scattering device for the granulator according to claim 1, wherein the flexible scraper is a silica gel plate, the flexible scraper is arranged outside the guide plate, and the tail end of the flexible scraper bends and extends into the powder bin to form an L-shaped structure.

8. the uniform dusting device for granulator of claim 7, wherein the flexible scraper is provided with a pressing plate outside, and the pressing plate is connected with the guide plate by screws.

Technical Field

The invention relates to the field of mechanical equipment, in particular to a uniform powder scattering device for a granulator.

Background

a steel belt condensation granulator is a device for producing granules, for example a steel belt condensation granulator set is disclosed in patent application No. 201510119241.2.

The liquid raw materials are harsh to the storage and transportation conditions, the cost is high, and the steel belt condensation granulator can convert the liquid molten raw materials into regular solid particles so as to be convenient for safe, reliable and environment-friendly transportation and storage. In the actual production process, in order to avoid the adhesion of the particles on the steel strip, a thin layer of powder is generally scattered on the steel strip, but the uniformity of the powder is difficult to ensure, so that part of the particles still adhere on the steel strip, and the scattering is too much, so that the cost is increased, the particle quality is influenced, and the improvement is needed.

Disclosure of Invention

the invention mainly solves the technical problem of providing a uniform powder spreading device for a granulator, which improves the uniformity of powder spreading and reduces the waste of powder.

In order to solve the technical problems, the invention adopts a technical scheme that: provided is an even dusting device for a granulator, comprising:

a powder bin filled with granular powder;

the powder feeding roller is horizontally arranged below the powder bin, guide plates which are obliquely directed to the powder feeding roller are symmetrically arranged at the bottom of the powder bin, and densely distributed powder storage grooves are formed in the outer circle of the powder feeding roller;

The driven brush roller is arranged on one side of the powder adding roller in parallel, and bristles on the excircle of the driven brush roller are in contact with the powder adding roller to rotate passively;

The flexible scraper is arranged on the guide plate and is in contact with the surface of the powder adding roller to avoid powder leakage;

And a motor for driving the powder feeding roller to rotate.

in a preferred embodiment of the invention, the bottom of the powder bin is provided with brackets positioned at two ends of the powder adding roller, and the brackets are provided with bearings corresponding to the powder adding roller and the driven brush roller.

in a preferred embodiment of the present invention, a motor fixing seat is disposed on the top of the powder bin, and the motor is disposed on the motor fixing seat and above one end of the powder feeding roller.

In a preferred embodiment of the invention, a first chain wheel is arranged at the end part of the rotating shaft of the motor, a second chain wheel corresponding to the first chain wheel is arranged at the end part of the powder adding roller, and the first chain wheel and the second chain wheel are connected through a chain.

In a preferred embodiment of the invention, a first belt pulley is arranged at the end part of the rotating shaft of the motor, a second belt pulley corresponding to the first belt pulley is arranged at the end part of the powder adding roller, and the first belt pulley and the second belt pulley are connected through a belt.

In a preferred embodiment of the invention, the powder storage grooves are distributed on the excircle of the powder adding roller in a dot or strip shape, and the depth of the powder storage grooves is less than 1 mm.

In a preferred embodiment of the present invention, the flexible scraper is a silica gel plate, the flexible scraper is disposed outside the flow guide plate, and the end of the flexible scraper bends and extends into the powder bin to form an L-shaped structure.

In a preferred embodiment of the invention, a pressure plate is arranged outside the flexible scraper, and the pressure plate is connected with the flow guide plate by using screws.

The invention has the beneficial effects that: the invention provides a uniform powder scattering device for a granulator, which is characterized in that a powder adding roller with a powder storage groove is specially designed, the powder filled in the powder storage groove falls to the lower part by utilizing the rotation of the powder adding roller, the powder storage groove is cleaned by a driven brush roller, the influence on the powder scattering uniformity caused by the residual powder in the powder storage groove is avoided, the powder falls onto a steel belt below, an isolation layer is formed on the steel belt, the depth of the powder storage groove can be designed to be shallow, and the waste of the powder is reduced under the condition of meeting the use requirement.

Drawings

in order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:

FIG. 1 is a schematic structural view of a preferred embodiment of a uniform powdering device for a pelletizer according to the present invention;

fig. 2 is a left side view of fig. 1.

Detailed Description

the technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

referring to fig. 1 ~ and fig. 2, an embodiment of the invention includes:

The uniform powdering device for a pelletizer shown in fig. 1 and 2 includes:

The powder bin 5 is filled with granular powder, and the powder bin 5 is welded into a cuboid structure by adopting a steel plate and has large capacity;

The powder adding roller 2 is horizontally arranged below the powder bin 5, the bottom of the powder bin 5 is symmetrically provided with guide plates 7 which point to the powder adding roller 2 in an inclined mode, powder storage grooves which are densely distributed are formed in the outer circle of the powder adding roller 2, when the powder storage grooves rotate to positions between the guide plates 7 on two sides along with the powder adding roller 2, powder is stored, the powder storage grooves are distributed on the outer circle of the powder adding roller 2 in a dotted mode or in a strip mode along the axial direction of the powder adding roller 2 and are distributed uniformly, the depth of the powder storage grooves is smaller than 1mm, and powder is saved;

the driven brush roller 8 is arranged on one side of the powder adding roller 2 in parallel, bristles on the excircle of the driven brush roller 8 are in contact with the powder adding roller 2 to rotate passively, the powder storage groove is cleaned, the problem of uneven powder scattering caused by residual powder in the powder storage groove is solved, supports 1 located at two ends of the powder adding roller 2 are arranged at the bottom of the powder storage bin 5, bearings corresponding to the powder adding roller 2 and the driven brush roller 8 are arranged on the supports 1, and the rotation stability of the powder adding roller 2 and the driven brush roller 8 is improved;

the flexible scraper 4 is arranged on the guide plate 7 and is in surface contact with the powder feeding roller 2 to avoid powder leakage, the flexible scraper 4 is a silica gel plate and has certain flexibility, as shown in fig. 2, the flexible scraper 4 is arranged on the outer side of the guide plate 7, the tail end of the flexible scraper 4 is bent and extends into the powder bin to form an L-shaped structure, the contact area with the powder feeding roller 2 is increased, the boundary sealing performance is good, a pressing plate 3 is arranged on the outer side of the flexible scraper 4, the pressing plate 3 is connected with the guide plate 7 through screws, and the flexible scraper 4 is pressed and fixed through the pressing plate 3, so that the flexible scraper is stable in structure and convenient to install, disassemble and maintain;

the motor 6 is used for driving the powder adding roller 2 to rotate, the top of the powder bin 5 is provided with a motor fixing seat 11, the motor 6 is arranged on the motor fixing seat 11 and is positioned above one end of the powder adding roller 2, the motor 6 is controlled by a speed regulating switch, the rotating speed is flexibly adjusted, and the vibration of the motor 6 is beneficial to filling powder into the powder storage groove and throwing the powder in the powder storage groove downwards;

the motor 6 has two kinds to the rotary driving mode of applying powder roller 2: