CN219879693U

CN219879693U - Device for preparing titanium dioxide composite powder

Info

Publication number: CN219879693U
Application number: CN202320700449.3U
Authority: CN
Inventors: 张国如; 冯增军; 王�琦
Original assignee: Jiangsu Qunxin Powder Technology Co ltd
Current assignee: Jiangsu Qunxin Powder Technology Co ltd
Priority date: 2023-04-03
Filing date: 2023-04-03
Publication date: 2023-10-24
Anticipated expiration: 2033-04-03

Abstract

The utility model provides a device for preparing titanium dioxide composite powder, which comprises: stirring storehouse, stirring rake, ring gear, drive gear, first driving motor and second driving motor, stirring storehouse are hollow cylinder barrel, and the axis level in stirring storehouse sets up, and the stirring rake is rotatable to be set up in stirring storehouse inboard, and the pivot of stirring rake is parallel with the axis in stirring storehouse, and the outside in stirring storehouse is provided with the ring gear along circumference is fixed, ring gear and drive gear meshing, and first driving motor is connected with drive gear transmission, and second driving motor drive stirring rake rotates in stirring storehouse. According to the utility model, the gear ring is utilized to drive the stirring bin to rotate, so that single powder attached to the inner wall of the stirring bin and not delivered by the stirring paddle can be rotated, and gravity separation is realized. Reduces the stirring dead angle and improves the stirring uniformity and the stirring efficiency.

Description

Device for preparing titanium dioxide composite powder

Technical Field

The utility model relates to the technical field of composite powder preparation, in particular to a device for preparing titanium dioxide composite powder.

Background

Titanium dioxide powder is also called titanium dioxide, has white appearance, has the characteristics of no toxicity, high opacity, high whiteness, high brightness and the like, and is widely applied to the technical fields of fillers, coatings, ceramics and the like.

However, the surface of the crystal lattice of the titanium dioxide powder has certain defects, which may bring about certain unstable factors, such as poor weather resistance, higher surface energy of the powder and easy agglomeration, in order to improve the problems, a surface coating modification mode is generally adopted to form the titanium dioxide powder into a composite structure, the preparation of the composite powder generally comprises a chemical method and a physical method, the chemical method adopts a reactive component to form a shell layer on the surface of the powder so as to change the performance of the titanium dioxide powder, and the physical method generally adopts a mechanical stirring or grinding mode to form the shell layer on the surface of the shell.

The existing mixing equipment is easy to generate stirring dead angles in the stirring process, the effect of powder mixing cladding in the stirring dead angle area is greatly reduced, the problem of poor uniformity of powder quality is easy to be caused after discharging, the problem is solved by serially connecting stirring equipment in the prior art, the occupied area of the equipment is greatly increased after serial connection, and meanwhile the equipment investment is increased, so that large-scale application of enterprises is not facilitated.

Disclosure of Invention

In view of the above, the utility model provides a device for preparing titanium dioxide composite powder, which aims to solve the problems that the existing powder mixing device is easy to have stirring dead angles and has poor mixing effect.

The technical scheme of the utility model is realized as follows: the utility model provides a device for preparing titanium dioxide composite powder, which comprises: stirring storehouse, stirring rake, ring gear, drive gear, first driving motor and second driving motor, stirring storehouse are hollow cylinder barrel, and the axis level in stirring storehouse sets up, and the stirring rake is rotatable to be set up in stirring storehouse inboard, and the pivot of stirring rake is parallel with the axis in stirring storehouse, and the outside in stirring storehouse is provided with the ring gear along circumference is fixed, ring gear and drive gear meshing, and first driving motor is connected with drive gear transmission, and second driving motor drive stirring rake rotates in stirring storehouse.

In the device working process, thereby the second driving motor drive stirring rake rotates to stir the powder in the stirring storehouse and handles, thereby first driving motor drive gear rotates to make corresponding stirring storehouse rotate, stirring storehouse pivoted in-process carries out the position change to the powder that adheres to on the stirring storehouse inner wall, and under the action of gravity, the powder that adheres to the inner wall can drop and be stirred by the stirring rake and handle, thereby makes the powder that adheres to on the stirring storehouse inner wall and can't be stirred by the stirring rake direct stirring mix, reduces the stirring dead angle.

In some embodiments, the stirring device further comprises an air hammer, wherein the hammering end of the air hammer is in transmission connection with the outer surface of the stirring bin.

The above transmission connection means that the vibration generated by the hammering end of the air hammer can be transmitted to the surface of the stirring bin when hammering, so that the powder attached to the inner wall in the stirring bin is promoted to fall off.

In some embodiments, the stirring device further comprises a driving ring, wherein the driving ring is coaxially arranged on the outer side of the stirring bin along the circumferential direction, the driving ring is in transmission connection with the outer surface of the stirring bin, and the hammering end of the air hammer is fixedly connected with one surface, away from the stirring bin, of the driving ring.

The driving ring is used for dispersing hammering vibration acting force of the air hammer, so that hammering action on one point of the surface of the stirring bin is avoided, and the stirring bin is prevented from being damaged.

In some embodiments, the stirring device further comprises at least three rolling shafts, the plurality of rolling shafts are rotatably arranged on one side, close to the stirring bin, of the driving ring, the axes of the rolling shafts are parallel to the axis of the stirring bin, the plurality of rolling shafts are arranged in an array along the circumferential direction of the driving ring, and the rolling shafts are in rolling connection with the surface of the stirring bin.

The rolling shaft can enable the transmission ring to be kept in an absolute position fixed, and in the process of rotation of the stirring bin, the rolling shaft rolls relative to the surface of the stirring bin, and the transmission ring is kept in a fixed state, so that the air hammer is prevented from rotating along with the rotation of the stirring bin.

In some embodiments, the inner circumferential surface of the mixing chamber is provided with a helical protrusion, the axis of the helical protrusion coinciding with the axis of the mixing chamber.

The screw thread protrusion can stir the powder in the stirring bin along with the rotation of the stirring bin, so that the mixing effect is improved

In some embodiments, the number of the gear rings is at least two, and the plurality of gear rings are arranged in an array at intervals along the axis direction of the stirring bin.

In some embodiments, the stirring paddle comprises a stirring shaft and a helical blade coaxially surrounding the stirring shaft and fixedly connected with the stirring shaft.

In some embodiments, the number of helical blades is not less than two, and the plurality of helical blades are disposed along a circumferential array of the stirring shaft.

In some embodiments, the stirring device further comprises a first bearing, wherein the first bearing is sleeved outside the stirring shaft, and the stirring shaft is rotationally connected with the stirring bin through the first bearing.

Compared with the prior art, the device for preparing the titanium dioxide composite powder has the following beneficial effects:

according to the device for preparing the titanium dioxide composite powder, the rotatable stirring bin is adopted and rotates together with the stirring paddles, and in the rotation process of the stirring bin, powder which is attached to the inner wall and cannot be stirred and mixed by the stirring paddles can be separated by utilizing gravity and then enters the stirring area of the stirring paddles, so that the mixing effect and the mixing efficiency of the powder are improved, and the stirring dead angle is reduced.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is an isometric view of an apparatus for preparing a titanium dioxide composite powder in accordance with the present utility model;

FIG. 2 is a semi-sectional isometric view of an apparatus for preparing a titanium dioxide composite powder in accordance with the present utility model;

FIG. 3 is an isometric view of a hollow hammer section of the apparatus for preparing a titanium dioxide composite powder in accordance with the present utility model;

fig. 4 is a front view of a hollow hammer portion in the apparatus for producing a titanium dioxide composite powder according to the present utility model.

In the figure: 1-stirring bin, 2-stirring paddle, 3-gear ring, 4-driving gear, 5-first driving motor, 6-second driving motor, 7-air hammer, 8-driving ring, 9-rolling shaft, 10-first bearing, 11-spiral protrusion, 21-stirring shaft and 22-spiral blade.

Detailed Description

The following description of the embodiments of the present utility model will clearly and fully describe the technical aspects of the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, are intended to fall within the scope of the present utility model.

It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are merely for convenience in describing and simplifying the description based on the orientation or positional relationship shown in the drawings, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Unless defined otherwise, all technical terms and science used herein have the same meaning as commonly understood by one of ordinary skill in the art to which embodiments of the present utility model belong. If the definitions set forth in this section are contrary to or otherwise inconsistent with the definitions set forth in the patents, patent applications, published patent applications and other publications incorporated herein by reference, the definitions set forth in this section are preferentially set forth in the definitions set forth herein.

As shown in fig. 1, in combination with fig. 2 to 4, the apparatus for preparing titanium dioxide composite powder of the present utility model comprises: the utility model provides a cylindric stirring storehouse 1, feed inlet and discharge gate have been seted up respectively to the both sides that the side of stirring storehouse 1 is relative, feed inlet and discharge gate department set up can open the door body of closing and be used for sealing and opening feed inlet and discharge gate, the shaft hole has been seted up at the both ends of stirring storehouse 1 along the axis direction, run through in the shaft hole and be provided with stirring rake 2, rotate between stirring rake 2 and the stirring storehouse 1 and be connected, the part that stirring rake 2 is located in stirring storehouse 1 stirs the powder material in the stirring storehouse 1, stirring storehouse 1 axis level sets up, the outside of stirring storehouse 1 is along circumference coaxial fixed mounting there being ring gear 3, the ring gear 3 outer lane is equipped with the tooth, ring gear 3 meshes with driving gear 4, thereby driving gear 4 autorotation drives ring gear 3 around the axis of stirring storehouse 1, stirring storehouse 1 rotates around its own axis autorotation together, first driving motor 5 is connected with driving gear 4 transmission, specifically, the output shaft and driving gear 4 coaxial key of driving motor 4 of first driving motor are connected, second driving motor 6 drive stirring rake 2 rotates, in order to be convenient for support stirring storehouse 1, still can set up the backing wheel in the below of stirring storehouse 1 and utilize backing wheel 1 to roll to support storehouse 1.

In the above embodiment, powder materials in the stirring bin 1 are mainly subjected to stirring, mixing and cladding treatment through the stirring paddle 2, and in the stirring process, the outer ring of the stirring paddle 2 and the inner wall of the stirring bin 1 are spaced, so that powder in the spaced area can not be stirred to form stirring dead angles, in order to improve the stirring effect on the area, the first driving motor 5 is utilized to drive the driving gear 4 to rotate, so that the gear ring 3 rotates around the axis of the stirring bin 1, the stirring bin 1 rotates, when the powder on the inner wall of the stirring bin 1 rotates to the highest point, the powder falls off under the action of gravity, and therefore the stirring effect is brought, the stirring dead angles are reduced, and the stirring and mixing efficiency is improved.

In some embodiments, the stirring device further comprises an air hammer 7, wherein the hammering end of the air hammer 7 is in transmission connection with the outer surface of the stirring bin 1.

In the above embodiments, the drive connection includes: the hammering end of the air hammer 7 is in direct contact connection with the surface of the stirring bin 1; the hammering end of the air hammer 7 is in contact with the surface of the stirring hopper 1 through at least one intermediate contact member. The hammering acting force of the air hammer 7 is transmitted to the surface of the stirring bin 1, so that a jarring effect is caused on the surface of the stirring bin 1, powder possibly adhered to the inner wall of the stirring bin 1 easily falls off through jarring, the phenomenon that the powder does not fall off due to rotation of the stirring bin 1 is avoided, and stirring dead angles are further reduced.

In some embodiments, the stirring device further comprises at least three rolling shafts 9, wherein a plurality of rolling shafts 9 are rotatably arranged on one side of the driving ring 8 close to the stirring bin 1, the axis of each rolling shaft 9 is parallel to the axis of the stirring bin 1, the rolling shafts 9 are arranged along the circumferential array of the driving ring 8, and the rolling shafts 9 are in rolling connection with the surface of the stirring bin 1.

In the above embodiment, the transmission ring 8 is arranged on the outer surface of the stirring bin 1 in a rolling way when the rolling shafts 9 are arranged at intervals between the transmission ring 8 and the stirring bin 1, and the absolute position of the air hammer 7 arranged on the transmission ring 8 can be kept basically unchanged in the rotating process of the stirring bin 1, so that the air pipeline on the air hammer 7 is prevented from winding along with the air hammer in the rotating process of the stirring bin 1, a plurality of rolling shafts 9 serve as intermediate components for shock transmission, the rotating shafts of the rolling shafts 9 are in sliding contact with the transmission ring 8, and the rolling parts of the rolling shafts 9 are in rolling contact with the surface of the stirring bin 1.

In some embodiments, the inner circumferential surface of the mixing bowl 1 is provided with helical protrusions 11, the axis of the helical protrusions 11 coinciding with the axis of the mixing bowl 1.

In the above embodiment, the number of the spiral protrusions 11 may be plural, the plurality of spiral protrusions 11 are arranged in an array along the circumferential direction of the inner wall of the stirring bin 1, the spiral protrusions 11 can generate a certain stirring effect on the internal powder while rotating along with the stirring bin 1, and when the stirring pushing direction of the spiral protrusions 11 is opposite to the stirring pushing direction of the stirring paddle 2, the generated mixing coating effect is better.

In some embodiments, the number of the gear rings 3 is at least two, a plurality of the gear rings 3 are arranged in an array at intervals along the axis direction of the stirring bin 1, and each gear ring 3 is meshed with one driving gear 4.

In the above embodiment, the plurality of gear rings 3 are beneficial to improving the stirring force of the stirring bin 1 and improving the stress uniformity of the stirring bin 1, the plurality of gear rings 3 are respectively meshed through the independent driving gears 4, each driving gear 4 is driven by a separate first driving motor 5, and the plurality of first driving motors 5 can adopt synchronous motors, such as servo motors or stepping motors.

In some embodiments, the stirring paddle 2 comprises a stirring shaft 21 and a helical blade 22, wherein the helical blade 22 is coaxially and circumferentially arranged outside the stirring shaft 21 and fixedly connected with the stirring shaft 21, and the stirring shaft 21 penetrates through the shaft hole of the stirring bin 1 and is rotationally connected with the stirring bin 1.

In some embodiments, the number of helical blades 22 is not less than two, and a plurality of helical blades are disposed along a circumferential array of the stirring shaft.

In the above embodiment, the manner of fixedly connecting the helical blade 22 and the stirring shaft 21 includes welding or screw fastening, and the helical blade has a ribbon-shaped helical structure.

In some embodiments, the stirring device further comprises a first bearing 10, wherein the first bearing 10 is sleeved on the outer side of the stirring shaft 21, and the stirring shaft 21 is rotatably connected with the stirring bin 1 through the first bearing 10.

In the above embodiment, the first bearing 10 is used for connecting the stirring shaft 21 and the shaft hole of the stirring chamber 1, and the first bearing 10 may be a transmission bearing.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. A device for preparing titanium dioxide composite powder, comprising: stirring storehouse, stirring rake, ring gear, drive gear, first driving motor and second driving motor, stirring storehouse are hollow cylinder barrel, and the axis level in stirring storehouse sets up, and the stirring rake is rotatable to be set up in stirring storehouse inboard, and the pivot of stirring rake is parallel with the axis in stirring storehouse, and the outside in stirring storehouse is provided with the ring gear along circumference is fixed, ring gear and drive gear meshing, and first driving motor is connected with drive gear transmission, and second driving motor drive stirring rake rotates in stirring storehouse.

2. The apparatus for preparing titanium dioxide composite powder of claim 1, further comprising an air hammer, wherein the hammering end of the air hammer is in driving connection with the outer surface of the stirring bin.

3. The apparatus for preparing titanium dioxide composite powder according to claim 2, further comprising a driving ring, wherein the driving ring is coaxially arranged on the outer side of the stirring bin along the circumferential direction, the driving ring is in transmission connection with the outer surface of the stirring bin, and the hammering end of the air hammer is fixedly connected with one surface of the driving ring away from the stirring bin.

4. The apparatus for preparing titanium dioxide composite powder according to claim 3, further comprising at least three rolling shafts, wherein the plurality of rolling shafts are rotatably installed on one side of the driving ring close to the stirring bin, the axis of the rolling shafts is parallel to the axis of the stirring bin, the plurality of rolling shafts are arranged along the circumferential array of the driving ring, and the rolling shafts are in rolling connection with the surface of the stirring bin.

5. The apparatus for preparing titanium dioxide composite powder according to claim 1, wherein the inner circumferential surface of the stirring bin is provided with a spiral protrusion, and the axis of the spiral protrusion coincides with the axis of the stirring bin.

6. The apparatus for preparing titanium dioxide composite powder as set forth in claim 1, wherein the number of the gear rings is at least two, and the plurality of gear rings are arranged in an array at intervals along the axial direction of the stirring chamber.

7. The apparatus for preparing titanium dioxide composite powder according to claim 1, wherein the stirring paddle comprises a stirring shaft and a helical blade, and the helical blade is coaxially and circumferentially arranged outside the stirring shaft and fixedly connected with the stirring shaft.

8. The apparatus for preparing titanium dioxide composite powder as set forth in claim 7, wherein the number of said spiral blades is not less than two, and a plurality of spiral blades are arranged in a circumferential array along the stirring shaft.

9. The apparatus for preparing titanium dioxide composite powder as set forth in claim 7, further comprising a first bearing, wherein the first bearing is sleeved outside the stirring shaft, and the stirring shaft is rotatably connected with the stirring bin through the first bearing.