CN214438047U

CN214438047U - Online mixing arrangement of vacuum powder dissolving machine

Info

Publication number: CN214438047U
Application number: CN202023279719.3U
Authority: CN
Inventors: 黄琴; 王兵兵
Original assignee: Leyun Nantong Electromechanical Hybrid Equipment Co ltd
Current assignee: Leyun Nantong Electromechanical Hybrid Equipment Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-10-22
Anticipated expiration: 2030-12-30

Abstract

The utility model relates to the technical field of mixing equipment, in particular to an online mixing device of a vacuum powder dissolving machine, which comprises a working cavity, a stator cover plate and a material guiding cover plate, wherein an emulsifying sleeve is arranged on the stator cover plate, a rotor matched with the emulsifying sleeve is arranged in the working cavity, and the rotor is fixed on a rotating shaft and coaxially rotates with the rotating shaft; the stator cover plate and the material guiding cover plate are both arranged at the opening end of the working cavity and form a closed cavity structure. Form the negative pressure through the rotatory work intracavity that makes of rotor in the work chamber, inhale the work chamber and lead rotor department with the powder, rotor cooperation stator apron forms a stirring cavity with drawing the material apron, through-hole and the work chamber intercommunication of emulsification cover on the stator apron, the relative motion in-process of rotor and emulsification cover, powder and liquid disperse the emulsification rapidly and flow into the work chamber through the blade on the rotor and the produced clearance of emulsification cover relative motion, it is more abundant to make the powder material dissolve, emulsification effect is better.

Description

Online mixing arrangement of vacuum powder dissolving machine

Technical Field

The utility model relates to a mixing apparatus technical field especially relates to a powder machine online mixing device is dissolved in vacuum.

Background

In the current industry, the mixing and dissolving of powder and liquid materials are mostly completed by a homogenizing and emulsifying pump. Materials enter a pump cavity through a powder inlet and a liquid inlet respectively, and are sucked into the pump cavity for mixing and stirring through a stator and a rotor which are arranged in the pump cavity of the emulsion pump and are meshed in a dual mode, and the high tangential velocity generated by the high-speed rotation of the rotor and the powerful kinetic energy brought by the high-frequency mechanical effect; the powder and liquid materials are subjected to comprehensive actions of strong mechanical and hydraulic shearing, centrifugal extrusion, liquid layer friction, impact tearing, turbulent flow and the like in narrow gaps of the stator and the rotor, are uniformly and finely dispersed and emulsified, and are finally pumped out through a discharge hole in the side wall of the pump body.

In actual production, one of the key factors influencing the emulsification effect of the emulsification pump is the linear velocity of the relative motion of the stator and the rotor, and the linear velocity of the rotor is improved by a speed changing and frequency converting device in actual industrial practice, but the manufacturing cost of greatly improving the linear velocity is very high due to the bottleneck limitations of the processing precision of the rotor and the performances of rolling, lubricating and sealing parts. In the traditional powder-liquid mixing production process, powder materials are sucked into a cavity of an emulsion pump in a vacuum suction mode, and due to the fact that the specific gravity of powder is small, the powder is prone to forming the phenomena of floating, wall hanging, skinning, agglomeration and the like on the surface of liquid after entering a working cavity, the powder is poor in dispersing effect, the powder and the liquid are not uniformly dispersed and mixed up and down, and the final emulsion effect is poor.

In view of the above problems, the designer actively makes research and innovation based on the practical experience and professional knowledge of the product engineering application for many years, so as to create an online mixing device of the vacuum powder dissolving machine, and the online mixing device is more practical.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: provides an on-line mixing device of a vacuum powder dissolving machine, which can fully disperse powder and enhance the emulsification effect.

In order to achieve the above purpose, the utility model adopts the technical scheme that: an online mixing device of a vacuum powder dissolving machine comprises: the device comprises a working cavity, a stator cover plate and a material guiding cover plate, wherein an emulsifying sleeve is arranged on the stator cover plate, a rotor matched with the emulsifying sleeve is arranged in the working cavity, and the rotor is fixed on a rotating shaft and rotates coaxially with the rotating shaft;

the stator cover plate and the material guiding cover plate are both arranged at the opening end of the working cavity and form a closed cavity structure, the rotating shaft extends into the working cavity from one end of the working cavity far away from the stator cover plate, and a sealing assembly is arranged between the rotating shaft and the working cavity;

the stator apron sets up to the annular just the emulsion cover sets up the stator apron orientation the inboard of working chamber, it sets up to draw the material apron the outside of stator apron the outside of drawing the material apron is provided with powder inlet pipe and liquid inlet pipe the inboard of drawing the material apron corresponds the powder inlet pipe with the liquid inlet pipe is provided with powder runner and liquid runner respectively be provided with the discharging pipe on the circumference outer wall of working chamber.

Further, the rotor includes the carousel and sets up blade on the carousel, the blade is followed the radial setting of carousel just evenly is provided with a plurality ofly along its circumference, and a plurality ofly the outer lane diameter that the blade formed with the internal diameter of emulsification cover suits.

Further, a shaft sleeve is fixedly arranged at the center of the rotary table, a key groove is formed in the inner wall of the shaft sleeve along the axial direction of the shaft sleeve, the rotary table and the rotary shaft rotate coaxially through a flat key, and the rotary table is fixed on the end face of the rotary shaft through a gland bolt.

Furthermore, the emulsifying sleeve is arranged in an annular structure, through holes are radially formed in the annular wall of the emulsifying sleeve, and the through holes are uniformly distributed along the circumferential direction of the emulsifying sleeve.

Further, the powder feeding pipe is communicated with the powder flow passage, and the liquid feeding pipe is communicated with the liquid flow passage;

the liquid feeding pipe is perpendicular to the material guiding cover plate, the liquid flow channel is arranged at the center of the material guiding cover plate and is arranged in a horn shape along the axial direction of the liquid feeding pipe, the side wall of the liquid flow channel is gradually opened towards the direction of the working cavity, and the liquid feeding pipe is eccentrically arranged relative to the liquid flow channel and penetrates through the side wall of the liquid flow channel;

the powder runner with the liquid runner is adjacent to be set up, just the powder runner encircles the outer wall of liquid runner is the heliciform setting along its circumference, the powder runner sets up and is keeping away from the liquid runner outer wall department of liquid inlet pipe one side.

Further, the powder runner is gradually close to the liquid feeding pipe along the flow direction of the powder material, and the cross-sectional area of the powder runner along the flow direction is gradually increased.

Furthermore, the sealing assembly comprises a static sealing ring and a rotary sealing ring, the static sealing ring is sleeved on the outer ring of the rotary shaft and is rotationally connected with the rotary shaft, and the static sealing ring is fixedly arranged on the inner wall of the working cavity;

the rotary sealing ring is sleeved on the shaft sleeve of the outer ring of the rotary shaft, and two ends of the rotary sealing ring are respectively contacted with the rotor and the static sealing ring.

Furthermore, the material guiding cover plate is connected with the stator cover plate, and the stator cover plate is detachably connected with the working cavity through bolts.

The utility model has the advantages that: in the application, negative pressure is formed in the working cavity by rotating the rotor in the working cavity, powder is sucked into the working cavity and guided to the rotor, the rotor is matched with the stator cover plate and the material guiding cover plate to form a stirring cavity, the stirring cavity is communicated with the working cavity through a through hole of the emulsifying sleeve on the stator cover plate, and in the relative motion process of the rotor and the emulsifying sleeve, the powder and liquid are rapidly dispersed and emulsified and flow into the working cavity through a gap generated by relative motion of blades on the rotor and the emulsifying sleeve;

before the powder and the liquid enter the rotor and the emulsifying sleeve, the powder and the liquid are respectively led in from a powder runner and a liquid runner on the drainage cover plate; wherein, the liquid flow path sets up to loudspeaker form, the powder runner sets up adjacent with the liquid flow path, and the outer wall that encircles the liquid flow path is the heliciform setting along its circumference, the powder runner sets up and is keeping away from the liquid flow path outer wall department of liquid inlet pipe one side and is close to the liquid inlet pipe along the flow direction of powder material gradually, the powder runner is along its flowing to cross-sectional area crescent, make the powder material possess certain centripetal force and guide the outflow position of liquid material, and self powder granule can be dispersed, the liquid material makes its more dispersion behind the runner of loudspeaker form, the area of contact of increase and powder, make powder and liquid just carried out preliminary dissolution before getting into rotor and emulsification cover, make two kinds of material dispersions more abundant and reinforcing ultimate emulsification effect.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is an exploded view of an on-line mixing device of a vacuum powder dissolving machine according to an embodiment of the present invention;

FIG. 2 is an exploded view of the on-line mixing device of the vacuum powder dissolving machine according to the embodiment of the present invention;

FIG. 3 is a schematic structural view of an on-line mixing device of the vacuum powder dissolving machine according to the embodiment of the present invention;

FIG. 4 is a front view of an in-line mixing device of the vacuum powder dissolving machine according to the embodiment of the present invention;

FIG. 5 is a cross-sectional view taken at A in FIG. 4;

FIG. 6 is a schematic structural view of a blade on a rotor according to an embodiment of the present invention;

fig. 7 is a schematic structural view of an upper shaft sleeve of a rotor according to an embodiment of the present invention.

Reference numerals: 1. a working chamber; 11. a rotor; 111. a shaft sleeve; 112. a keyway; 113. a turntable; 114. a blade; 12. a discharge pipe; 13. a gland bolt; 2. a stator cover plate; 21. an emulsifying sleeve; 22. a through hole; 3. a material guiding cover plate; 31. a powder feeding pipe; 32. a liquid feed conduit; 33. a powder flow passage; 34. a liquid flow passage; 4. a rotating shaft; 41. a seal assembly; 42. a stationary seal ring; 43. and (5) a static sealing ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The on-line mixing device of the vacuum powder dissolving machine shown in fig. 1 to 7 comprises a working chamber 1, a stator cover plate 2 and a material guiding cover plate 3, wherein an emulsifying sleeve 21 is arranged on the stator cover plate 2, a rotor 11 matched with the emulsifying sleeve 21 is arranged in the working chamber 1, and the rotor 11 is fixed on a rotating shaft 4 and rotates coaxially with the rotating shaft; the stator cover plate 2 and the material guiding cover plate 3 are both arranged at the opening end of the working cavity 1 and form a closed cylindrical cavity structure, the rotating shaft 4 extends into the working cavity 1 from one end of the working cavity 1 far away from the stator cover plate 2, and a sealing assembly 41 is arranged between the rotating shaft 4 and the working cavity 1; the stator cover plate 2 is annular, the emulsifying sleeve 21 is arranged on the inner side of the stator cover plate 2 facing the working cavity 1, the material guiding cover plate 3 is arranged on the outer side of the stator cover plate 2, the powder feeding pipe 31 and the liquid feeding pipe 32 are arranged on the outer side of the material guiding cover plate 3, the powder flow passage 33 and the liquid flow passage 34 are arranged on the inner side of the material guiding cover plate 3 corresponding to the powder feeding pipe 31 and the liquid feeding pipe 32 respectively, and the discharge pipe 12 is arranged on the circumferential outer wall of the working cavity 1.

In the specific implementation process, the rotor 11 is driven by the rotating shaft 4 to rotate in the working cavity 1, so that negative pressure is formed in the working cavity 1, liquid and powder flow into the working cavity 1 from the liquid flow channel 34 and the powder flow channel 33 respectively and are guided to the rotor 11, the rotor 11 cooperates with the stator cover plate 2 and the material guiding cover plate 3 to form a stirring cavity, the stirring cavity is communicated with the working cavity 1 through the through hole 22 of the emulsifying sleeve 21 on the stator cover plate 2, in the relative movement process of the rotor 11 and the emulsifying sleeve 21, the powder and the liquid are rapidly dispersed and emulsified and flow into the working cavity 1 through a gap generated by the relative movement of the blades 114 on the rotor 11 and the emulsifying sleeve 21, and finally the emulsified liquid is led out from the discharge pipe 12 of the working cavity 1.

Preferably, the rotor 11 includes a rotating disk 113 and a plurality of blades 114 disposed on the rotating disk 113, the blades 114 are disposed along a radial direction of the rotating disk 113 and are uniformly disposed along a circumferential direction thereof, and an outer ring diameter formed by the plurality of blades 114 is adapted to an inner diameter of the emulsifying sleeve 21. The rotor 11 is driven to rotate by the rotating shaft 4, specifically, a shaft sleeve 111 is fixedly arranged at the central position of the rotating disc 113, a key groove 112 is formed on the inner wall of the shaft sleeve 111 along the axial direction thereof, the rotating disc 113 and the rotating shaft 4 rotate coaxially through a flat key, and the rotating disc 113 is fixed on the end face of the rotating shaft 4 through a gland bolt 13. The emulsifying sleeve 21 is of an annular structure, through holes 22 are radially formed in the annular wall of the emulsifying sleeve 21, and the through holes 22 are uniformly distributed along the circumferential direction of the emulsifying sleeve 21. The rotor rotates in the working cavity to form negative pressure in the working cavity, powder is sucked into the working cavity and guided to the rotor, the rotor is matched with the stator cover plate and the material guiding cover plate to form a stirring cavity, and the rotating shaft 4 rotates coaxially with the rotor 11 through the flat key, so that the assembly and disassembly are facilitated.

As a preference of the above embodiment, the powder feed pipe 31 is communicated with the powder flow passage 33, and the liquid feed pipe 32 is communicated with the liquid flow passage 34; the liquid feeding pipe 32 is arranged perpendicular to the material guiding cover plate 3, the liquid flow channel 34 is arranged at the central position of the material guiding cover plate 3 and is arranged in a horn shape along the axial direction of the liquid feeding pipe 32, the side wall of the liquid flow channel 34 is gradually opened towards the direction of the working chamber 1, and the liquid feeding pipe 32 is eccentrically arranged relative to the liquid flow channel 34 and penetrates through the side wall of the liquid flow channel 34; the powder flow channel 33 is disposed adjacent to the liquid flow channel 34, the powder flow channel 33 surrounds the outer wall of the liquid flow channel 34 and is spirally disposed along the circumferential direction, and the powder flow channel 33 is disposed at the outer wall of the liquid flow channel 34 on the side far away from the liquid feeding pipe 32. The powder flow path 33 gradually approaches the liquid feed pipe 32 in the flow direction of the powder material, and the cross-sectional area of the powder flow path 33 in the flow direction thereof gradually increases.

In the specific implementation process, the liquid flow passage 34 is in a horn shape, and the cross-sectional area of the powder flow passage 33 along the flowing direction thereof is gradually increased, so that the powder material and the liquid material are more dispersed after flowing into the working cavity 1, and the contact area of the two materials is increased, thereby facilitating the dissolution of the powder; the liquid feeding pipe 32 is eccentrically arranged relative to the liquid flow passage 34 and penetrates through the side wall of the liquid flow passage 34, so that the inflow surface of the liquid material becomes an inclined surface, the opening end of the liquid material faces the powder flow passage 33, the powder flow passage 33 surrounds the outer wall of the liquid flow passage 34 and is spirally arranged along the circumferential direction of the outer wall, and the powder material enters the working chamber 1, has a certain centripetal force and is sprayed towards the inflow part of the liquid material. Liquid material makes it more disperse behind the runner of loudspeaker form, increases the area of contact with the powder, makes powder and liquid just carried out preliminary solution before getting into rotor and emulsification cover, the dispersion and the final emulsification effect of reinforcing powder.

Preferably, the material guiding cover plate 3 and the stator cover plate 2 are detachably connected, and the stator cover plate 2 and the working cavity 1 are detachably connected through bolts. The sealing assembly 41 comprises a static sealing ring 42 and a rotary sealing ring 43, the static sealing ring 42 is sleeved on the outer ring of the rotary shaft 4 and is rotatably connected with the rotary shaft 4, and the static sealing ring 42 is fixedly arranged on the inner wall of the working cavity 1; the rotary seal ring 43 is sleeved on a shaft sleeve 111 on the outer ring of the rotary shaft 4, and two ends of the rotary seal ring 43 are respectively contacted with the rotor 11 and the stationary seal ring 42. The material guiding cover plate 3 and the stator cover plate 2 are both convenient to disassemble and assemble, a mechanical sealing mode is adopted, and quick-wear parts are convenient to replace.

It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an online mixing arrangement of vacuum powder dissolving machine which characterized in that includes: the device comprises a working cavity (1), a stator cover plate (2) and a material guiding cover plate (3), wherein an emulsifying sleeve (21) is arranged on the stator cover plate (2), a rotor (11) matched with the emulsifying sleeve (21) is arranged in the working cavity (1), and the rotor (11) is fixed on a rotating shaft (4) and rotates coaxially with the rotating shaft;

the stator cover plate (2) and the material guiding cover plate (3) are both arranged at the opening end of the working cavity (1) to form a closed cylindrical cavity structure, the rotating shaft (4) extends into the working cavity (1) from one end of the working cavity (1) far away from the stator cover plate (2), and a sealing assembly (41) is arranged between the rotating shaft (4) and the working cavity (1);

stator apron (2) set up to the annular just emulsification cover (21) sets up stator apron (2) orientation the inboard of working chamber (1), it sets up to draw material apron (3) the outside of stator apron (2) the outside of drawing material apron (3) is provided with powder inlet pipe (31) and liquid inlet pipe (32) the inboard of drawing material apron (3) corresponds powder inlet pipe (31) with liquid inlet pipe (32) are provided with powder runner (33) and liquid runner (34) respectively be provided with discharging pipe (12) on the circumference outer wall of working chamber (1).

2. The on-line mixing device of the vacuum powder dissolving machine according to claim 1, wherein the rotor (11) comprises a rotating disk (113) and a plurality of blades (114) arranged on the rotating disk (113), the blades (114) are arranged along the radial direction of the rotating disk (113) and are uniformly arranged along the circumferential direction of the rotating disk, and the outer ring diameter formed by the plurality of blades (114) is adapted to the inner diameter of the emulsifying sleeve (21).

3. The on-line mixing device of the vacuum powder dissolving machine according to claim 2, characterized in that a shaft sleeve (111) is fixedly arranged at the center of the rotary table (113), a key groove (112) is arranged on the inner wall of the shaft sleeve (111) along the axial direction of the shaft sleeve, the rotary table (113) and the rotary shaft (4) coaxially rotate through a flat key, and the rotary table (113) is fixed on the end surface of the rotary shaft (4) through a gland bolt (13).

4. The on-line mixing device of the vacuum powder dissolving machine according to claim 3, wherein the emulsifying sleeve (21) is arranged in an annular structure, through holes (22) are radially formed in the annular wall of the emulsifying sleeve (21), and the through holes (22) are uniformly distributed along the circumferential direction of the emulsifying sleeve (21).

5. The on-line mixing device of the vacuum powder dissolving machine according to claim 1, wherein the powder feeding pipe (31) is communicated with the powder flow passage (33), and the liquid feeding pipe (32) is communicated with the liquid flow passage (34);

wherein the liquid feeding pipe (32) is arranged perpendicular to the material guiding cover plate (3), the liquid flow channel (34) is arranged at the central position of the material guiding cover plate (3) and is arranged in a trumpet shape along the axial direction of the liquid feeding pipe (32), the side wall of the liquid flow channel (34) is gradually opened towards the direction of the working cavity (1), and the liquid feeding pipe (32) is eccentrically arranged relative to the liquid flow channel (34) and penetrates through the side wall of the liquid flow channel (34);

powder runner (33) with liquid runner (34) adjacent setting, just powder runner (33) encircle the outer wall of liquid runner (34) is the heliciform setting along its circumference, powder runner (33) set up and is keeping away from liquid runner (34) outer wall department of liquid inlet pipe (32) one side.

6. The on-line mixing device of the vacuum powder dissolving machine according to claim 5, wherein the powder flow passage (33) is gradually close to the liquid feeding pipe (32) along the flow direction of the powder material, and the cross-sectional area of the powder flow passage (33) along the flow direction thereof is gradually increased.

7. The on-line mixing device of the vacuum powder dissolving machine according to claim 1, wherein the sealing assembly (41) comprises a static sealing ring (42) and a rotary sealing ring (43), the static sealing ring (42) is sleeved on the outer ring of the rotary shaft (4) and is rotatably connected with the rotary shaft (4), and the static sealing ring (42) is fixedly arranged on the inner wall of the working chamber (1);

the rotating seal ring (43) is sleeved on a shaft sleeve (111) of the outer ring of the rotating shaft (4), and two ends of the rotating seal ring (43) are respectively contacted with the rotor (11) and the static seal ring (42).

8. The on-line mixing device of the vacuum powder dissolving machine according to claim 1, wherein the material guiding cover plate (3) and the stator cover plate (2) are detachably connected, and the stator cover plate (2) and the working chamber (1) are detachably connected through bolts.