阅读说明：本技术 一种分级转子与送料分料装置的组合结构 (Combined structure of grading rotor and feeding and distributing device ) 是由 吕海峰 徐中州 白志忠 于 2019-12-14 设计创作，主要内容包括：本发明公开了一种分级转子与送料分料装置的组合结构,含有分级转子和送料分料装置,分级转子含有下圆环板,送料分料装置含有集料筒体和若干导料单元,集料筒体包括内筒体、外筒体、圆环底板和若干隔料板,内筒体的上端设置在分级转子的下圆环板上,若干隔料板分别均布设置在圆环底板上其相交之处的外筒体上设有开口；导料单元包括导料板、后挡料板、前挡料板和挡风板,后挡料板设置在导料板的后端边上,前挡料板设置在导料板的前端边的后部上,导料板的后端与后挡料板的后端和前挡板的后端构成进料开口,进料开口设置外筒体周面上设有的开口上,导料板的前端与后挡料板的前端和前挡板的前端构成出料开口,挡风板能够开启和关闭出料开口。(The invention discloses a combined structure of a grading rotor and a feeding and distributing device, which comprises the grading rotor and the feeding and distributing device, wherein the grading rotor comprises a lower circular ring plate; the guide unit includes the stock guide, the back striker plate, preceding striker plate and deep bead, the back striker plate sets up on the rear end edge of stock guide, preceding striker plate sets up on the rear portion of the front end edge of stock guide, the rear end of stock guide and the rear end of the rear striker plate and the rear end of preceding baffle constitute feed opening, feed opening sets up on the opening that is equipped with on the outer barrel is global, the front end of stock guide and the front end of back striker plate constitute discharge opening, discharge opening can be opened and closed to the deep bead.)

1. A combined structure of a grading rotor and a feeding and distributing device comprises the grading rotor and the feeding and distributing device, wherein the grading rotor comprises a fixed frame, a plurality of powder selecting blades, an upper circular plate and a lower circular plate, the upper circular plate and the lower circular plate are respectively arranged at the upper end and the lower end of the fixed frame, the plurality of powder selecting blades are uniformly distributed between the upper circular plate and the lower circular plate, a shaft sleeve is arranged in the center of the fixed frame and is arranged at the middle part of a transmission shaft of a superfine classifier, the combined structure is characterized in that the feeding and distributing device comprises an aggregate cylinder body and a plurality of material guiding units, the aggregate cylinder body comprises an inner cylinder body, an outer cylinder body, a circular bottom plate and a plurality of material separating plates, the lower end of the inner cylinder body and the lower end of the outer cylinder body are respectively arranged on the inner hole and the outer periphery of the circular bottom plate, the upper end of the inner cylinder body is arranged on the lower circular plate of the grading rotor, one end of the material separating plate is arranged on the outer peripheral surface of the inner cylinder, the other end of the material separating plate is arranged on the inner peripheral surface of the outer cylinder, and an opening is arranged on the peripheral surface of the outer cylinder at the intersection of the material separating plate and the outer cylinder; the guide unit includes the stock guide, the back striker plate, preceding striker plate and deep bead, the back striker plate sets up on the rear end edge of stock guide, preceding striker plate and deep bead pass through the hinge and constitute articulatedly, preceding striker plate sets up on the rear portion of the front end edge of stock guide, the rear end of stock guide constitutes feed opening with the rear end of back striker plate and the rear end of preceding baffle, feed opening sets up on the opening that is equipped with on the outer barrel is global, the front end of stock guide and the front end of back striker plate constitute ejection of compact opening, the deep bead can open and close ejection of compact opening.

2. The combined structure of the classifying rotor and the feeding and distributing device according to claim 1, wherein the material guiding plate is a triangular structure.

3. The combined structure of the classifying rotor and the feeding and distributing device according to claim 1, wherein the number of the material guiding units is 6 to 12.

Technical Field

The invention relates to ultrafine powder grading equipment, in particular to a combined structure of a grading rotor and a feeding and distributing device.

Background

The superfine classifier is one of important devices in the powder preparation industry. The existing superfine classifier comprises a shell, a driving device, a transmission shaft, a classifying rotor, a wind guide blade group, a powder collecting device, a feeding and distributing device, a flushing and dispersing device, a wind guide cone, a coarse powder collecting device and an air inlet and feeding pipe. The classifying rotor comprises a fixing frame, a plurality of powder selecting blades, an upper circular plate and a lower circular plate, wherein the upper circular plate and the lower circular plate are respectively arranged at the upper end and the lower end of the fixing frame, the powder selecting blades are uniformly distributed between the upper circular plate and the lower circular plate, a shaft sleeve is arranged in the center of the fixing frame, and the shaft sleeve is arranged on the middle of a transmission shaft. The wind guide blade group forms a circular structure and is arranged in the shell, and the grading rotor is positioned in the circular structure formed by the wind guide blades. The main function of the classifying rotor is to sort the fine powder in the airflow containing the fine powder. The feeding and distributing device comprises a shaft sleeve and a plurality of spreading blades, wherein the spreading blades are radially and uniformly distributed on the circumferential surface of the shaft sleeve, and the shaft sleeve is arranged at the lower end of the transmission shaft and is similar to a propeller structure. When the device works, the scattering blades rotate under the driving of the transmission shaft, materials separated by the grading rotor fall into the powder collecting device with the cone structure, then fall onto the scattering blades through the lower end of the powder collecting device, the materials are scattered around by the rotating scattering blades and thrown to the inner wall of the shell to collide with the inner wall, and agglomerated fine powder in the materials is dispersed. Because the feeding and distributing device is similar to a propeller structure, one part of the material falling on the material scattering blades directly falls down from the material scattering blades, so that the part of the material cannot be dispersed, and the powder selecting efficiency is influenced.

Disclosure of Invention

The technical problem to be solved by the invention is to provide a combined structure of a classifying rotor and a feeding and distributing device, which not only can be used for classifying fine powder in a powder-containing airflow, but also can be used for fully dispersing the classified materials, so that the powder selecting efficiency of an ultrafine powder selecting machine is improved.

In order to solve the technical problems, the invention relates to a combined structure of a grading rotor and a feeding and distributing device, which comprises the grading rotor and the feeding and distributing device, wherein the grading rotor comprises a fixed frame, a plurality of powder selecting blades, an upper annular plate and a lower annular plate, the upper annular plate and the lower annular plate are respectively arranged at the upper end and the lower end of the fixed frame, the plurality of powder selecting blades are uniformly distributed and arranged between the upper annular plate and the lower annular plate, the center of the fixed frame is provided with a shaft sleeve which is arranged at the middle part of a transmission shaft of a superfine classifier, the feeding and distributing device comprises an aggregate cylinder body and a plurality of material guiding units, the aggregate cylinder body comprises an inner cylinder body, an outer cylinder body, an annular bottom plate and a plurality of material separating plates, the lower end of the inner cylinder body and the lower end of the outer cylinder body are respectively arranged on an inner hole and an outer periphery of the annular bottom plate, the upper end of the inner cylinder body is arranged on the lower annular plate, one end of the material separating plate is arranged on the outer peripheral surface of the inner cylinder, the other end of the material separating plate is arranged on the inner peripheral surface of the outer cylinder, and an opening is arranged on the peripheral surface of the outer cylinder at the intersection of the material separating plate and the outer cylinder; the guide unit includes the stock guide, the back striker plate, preceding striker plate and deep bead, the back striker plate sets up on the rear end edge of stock guide, preceding striker plate and deep bead pass through the hinge and constitute articulatedly, preceding striker plate sets up on the rear portion of the front end edge of stock guide, the rear end of stock guide constitutes feed opening with the rear end of back striker plate and the rear end of preceding baffle, feed opening sets up on the opening that is equipped with on the outer barrel is global, the front end of stock guide and the front end of back striker plate constitute ejection of compact opening, the deep bead can open and close ejection of compact opening.

The material guide plate is of a triangular structure.

The number of the plurality of material guide units is 6 to 12.

In the combined structure of the classifying rotor and the feeding and distributing device, the classifying rotor is used for classifying fine powder in a powder-containing airflow, the feeding and distributing device is arranged on the classifying rotor and is positioned below the classifying rotor, and the distributing device consists of the collecting cylinder and the guide units, so that the materials classified by the classifying rotor fall into the collecting cylinder of the feeding and distributing device, the feeding and distributing device is driven by the classifying rotor to rotate, the materials in the collecting cylinder are uniformly and fully dispersed to the inner wall surface of the shell of the superfine classifier through the guide units, the materials are uniformly and fully dispersed after colliding with the inner wall surface of the shell, the technical problem that in the prior art, a part of the materials fall onto the spreading blades directly fall from between the spreading blades, so that the part of the materials cannot be dispersed is solved, and the powder selecting efficiency of the superfine powder selector is improved.

Drawings

FIG. 1 is a schematic view of a combination of a classifying rotor and a feed and distribution device;

fig. 2 is an enlarged schematic view of the sectional structure a-a in fig. 1.

Detailed Description

The technical scheme of the invention is further explained in detail by combining the attached drawings:

as shown in fig. 1 and fig. 2, the invention discloses a combined structure of a classifying rotor and a feeding and distributing device, which comprises the classifying rotor and the feeding and distributing device 8. The grading rotor comprises a fixed frame 23, a plurality of powder selecting blades 6, an upper annular plate 25 and a lower annular plate 9. Go up the ring board 25 and the lower ring board 9 sets up respectively in the upper end and the lower extreme of mount 23, and a plurality of selection powder blades 6 equipartition set up between last ring board 25 and lower ring board 9. The center of the fixing frame 23 is provided with a shaft sleeve which is arranged on the middle part of the transmission shaft 2 of the superfine classifier. The grading rotor is positioned in a circular ring structure formed by the wind guide blade group 5. The feeding and distributing device 8 comprises an aggregate cylinder and a plurality of material guiding units, wherein the aggregate cylinder comprises an inner cylinder 26, an outer cylinder 28, a circular bottom plate 27 and a plurality of material separating plates 36. The lower end of the inner cylinder 26 and the lower end of the outer cylinder 28 are disposed on the inner hole and the outer circumference of the annular bottom plate 27, respectively. The upper end of the inner cylinder 26 is arranged on the lower circular ring plate 9 of the grading rotor, a plurality of material separating plates 36 are respectively and uniformly distributed on the circular ring bottom plate 27, one end of each material separating plate 36 is arranged on the outer circumferential surface of the inner cylinder 26, the other end of each material separating plate 36 is arranged on the inner circumferential surface of the outer cylinder 28, and an opening 36 is arranged on the circumferential surface of the outer cylinder 28 at the intersection of the material separating plates 36 and the outer cylinder 28. The material guiding unit comprises a material guiding plate 33, a rear material blocking plate 34, a front material blocking plate 29 and a wind shield 31, the rear material blocking plate 34 is arranged on the rear end edge of the material guiding plate 33, and the front material blocking plate 29 and the wind shield 31 are hinged through a hinge 30. The front baffle plate 29 is arranged on the rear part of the front end edge of the guide plate 33, the rear end of the rear baffle plate 34 and the rear end of the front baffle plate 29 form a feeding opening, and the feeding opening is arranged on an opening 35 arranged on the circumferential surface of the outer cylinder 28. The front end of the guide plate 33, the front end of the rear striker plate 34 and the front end of the front striker plate 29 form a discharge opening 32, and the wind shield 31 can open and close the discharge opening 32. When the material in the material guiding unit reaches a certain amount, the material pushes the wind shield 31 open under the action of the centrifugal force of the material, and is uniformly scattered from the discharging opening 32. The uniformly scattered material is sufficiently dispersed after colliding with the inner wall surface of the housing 40.

In order to simplify the structure and improve the material scattering effect, the material guiding plate 33 is a triangular structure.

In order to improve the material scattering effect, the number of the plurality of material guide units is 6 to 12.

In the combined structure of the classifying rotor and the feeding and distributing device, the rotating classifying rotor is used for classifying fine powder in a powder-containing airflow, the classified material falls into the material collecting barrel of the feeding and distributing device, the feeding and distributing device is driven by the classifying rotor to rotate, the material in the material collecting barrel is uniformly distributed to the inner wall surface of the shell 40 of the superfine classifier through the plurality of material guide units, the material is uniformly and fully dispersed after colliding with the inner wall surface of the shell 40, and the technical problem that in the prior art, part of the material falls onto the material scattering blades and directly falls from between the material scattering blades, so that the part of the material cannot be dispersed is solved, and the powder selecting efficiency of the superfine powder selector is improved.

The above-mentioned embodiments, objects, technical solutions and advantages of the present invention are further described in detail, it should be understood that the above-mentioned embodiments are only illustrative of the present invention and are not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.