CN221999499U

CN221999499U - Impeller for stirring

Info

Publication number: CN221999499U
Application number: CN202420581268.8U
Authority: CN
Inventors: 陈平海; 宁平忠
Original assignee: Guang'an Xuhui Polyurethane Co ltd
Current assignee: Guang'an Xuhui Polyurethane Co ltd
Priority date: 2024-03-25
Filing date: 2024-03-25
Publication date: 2024-11-15
Anticipated expiration: 2034-03-25

Abstract

The utility model provides an impeller for stirring, which comprises a platy impeller body, wherein a mounting hole is formed in the axis of the impeller body; the impeller body is provided with a plurality of windows in an annular array, and a first driving blade and a second driving blade are obliquely arranged at the windows; the first driving blade and the second driving blade are respectively positioned at the bottom and the top of the impeller body; one end of the first driving blade is connected with the first side chord, and the other end of the first driving blade extends to the lower part of the second side chord; one end of the second driving blade is connected with the second side chord, and the free end of the second driving blade extends to the upper part of the first side chord; the edge of the impeller body is provided with a plurality of first stirring blades and second stirring blades in an annular array, and the first stirring blades are respectively positioned above and below the impeller body; the stirring device solves the problems that the existing stirring blade is large in stretching volume, difficult to clean and maintain, and the reaction raw materials are easy to fly when the raw materials are not filled in the reaction kettle, so that the material waste and the stirring effect are poor.

Description

Impeller for stirring

Technical Field

The utility model relates to the technical field of stirring impellers, in particular to a stirring impeller.

Background

In the process of manually foaming the sponge, in order to conveniently observe the foaming progress, most of the reaction is not covered on a reaction kettle during the early-stage stirring, and meanwhile, in order to fully generate chemical reaction of various foaming reaction raw materials in a short time, the quick stirring is required to be uniform, so that the full reaction is uniform, and the produced sponge bubbles can be uniform without abnormal conditions such as flow marks, dead cotton and the like. In order to quickly and fully stir various reaction raw materials, the conventional stirring device generally adopts stirring pieces with large stretching volume and more blades to rotationally stir, and the stirring pieces are troublesome in subsequent cleaning and maintenance, and meanwhile, when the reaction raw materials are less, the raw materials are easy to fly, so that waste is caused; and the stirring piece with small stretching volume is difficult to achieve the required stirring effect.

Disclosure of utility model

The utility model aims to provide an impeller for stirring, which solves the problems that the existing stirring blade is large in stretching volume, difficult to clean and maintain, and poor in stirring effect due to the fact that reaction raw materials are easily knocked off when the raw materials are not filled in a reaction kettle.

The embodiment of the utility model is realized by the following technical scheme: the impeller for stirring comprises a platy impeller body, wherein an installation hole is formed in the axis of the impeller body;

The impeller comprises an impeller body, wherein a plurality of windows are formed in the impeller body in an annular array manner, and first driving blades are obliquely arranged at the windows;

The edge annular array of impeller body is provided with a plurality of first stirring vane, first stirring vane slope sets up.

Further, the first stirring blade is located above the impeller body and is inclined to the outer side of the impeller body.

Further, the plate surface of the first stirring blade is intersected with a tangent line at the joint of the first stirring blade and the impeller body.

Further, the impeller further comprises a plurality of second stirring blades, wherein a plurality of second stirring blades are annularly arranged at the edge of the impeller body, and one second stirring blade is obliquely arranged between every two adjacent first stirring blades;

The second stirring blade is positioned below the impeller body and inclines to the outer side of the impeller body.

Further, the plate surface of the second stirring blade is intersected with a tangent line at the joint of the second stirring blade and the impeller body.

Further, the first driving blade is positioned at the bottom of the impeller body; the window comprises a first side chord and a second side chord which are the same as the distance between the mounting holes;

One end of the first driving blade is connected with the first side chord, and the other end of the first driving blade extends to the lower part of the second side chord.

Further, the impeller further comprises a plurality of second driving blades, and a plurality of second driving blades are annularly arranged at the top of the impeller body;

One end of the second driving blade is connected with the second side chord, and the free end of the second driving blade extends above the first side chord.

The technical scheme of the embodiment of the utility model has at least the following advantages and beneficial effects:

1. The reaction raw materials below the impeller body are conveyed upwards from the window by enabling the first screw driving propeller blades to rotate at a high speed, and after reaching the top of the impeller body, the reaction raw materials are scattered in a scattering way under the action of gravity and flow to the bottom of the reaction kettle from the position between the outer edge of the impeller body and the side wall of the reaction kettle, so that the reaction raw materials are circularly reciprocated to form stirring and mixing of various raw materials; when the reaction raw materials move from the upper part of the impeller body to the position between the outer edge of the impeller body and the side wall of the reaction kettle, the raw materials are further stirred, and the mixing and stirring of the raw materials are accelerated.

2. After preliminary stirring through first stirring vane, when returning to impeller body bottom from between impeller body and the reation kettle lateral wall, further by the stirring, the second spiral stirring vane that a plurality of second stirring vane formed, the mixture of multiple material is further accelerated, and the first stirring vane and the second stirring vane of slope still can cut when stirring the raw materials that flows simultaneously, and the angle is less, is difficult to fly the material, and helps accelerating the mixture of material.

3. The mixed raw materials that will be located impeller body bottom through first screw drive paddle shovel impeller body is above, simultaneously through second screw drive paddle, will be located the mixed raw materials of window top originally and upwards drive, and then even if still the material is many, also can effectually mix the stirring, combines first screw stirring paddle and second screw stirring paddle, has better stirring effect.

4. The impeller body can be driven to reversely rotate, so that raw materials at the top of the impeller body are conveyed downwards from the window and flow upwards from the outer side, the impeller is suitable for the condition of less materials, the materials are not easy to fly, the material waste is avoided, and meanwhile, the stirring and mixing effects are very good. The impeller body has simple structure, small volume, very convenient maintenance and cleaning, and very good stirring and mixing effects.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic top view of an impeller for stirring according to the present utility model;

FIG. 2 is a schematic cross-sectional view of the structure at A-A in FIG. 1;

Fig. 3 is a schematic structural view of the stirring impeller according to the present utility model, in which a first stirring blade and a second stirring blade are engaged with an impeller body;

Icon: 1. impeller body, 11, mounting hole, 12, window, 121, first chord, 122, second chord, 2, first driving blade, 3, first stirring blade, 4, second stirring blade, 5, second driving blade.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Embodiment one:

Referring to fig. 1 to 3, the present embodiment provides an impeller for stirring, which comprises a plate-shaped impeller body 1, wherein the impeller body 1 is circular or regular polygon, a mounting hole 11 is formed in the axis of the impeller body 1, the mounting hole 11 of the impeller body 1 is used for being connected with a driving shaft of an output end of a motor, and further the impeller body is electrically rotated by the motor, meanwhile, the mounted impeller body 1 is horizontally arranged at an inner bottom of a reaction kettle, and a distance of 5-10 cm is kept between the impeller body and the bottom, so that stirring and mixing operations can be performed.

The impeller comprises an impeller body 1, a first screw driving blade and a second screw driving blade, wherein the first screw driving blade comprises a plurality of first driving blades 2, a plurality of windows 12 are formed in the impeller body 1 in an annular array manner, and the first driving blades 2 are obliquely arranged at the windows 12; the first driving blade 2 is positioned at the bottom of the impeller body 1; the window 12 includes a first side chord 121 and a second side chord 122 at the same distance from the mounting hole 11; one end of the first driving blade 2 is connected to the first side chord 121, and the other end of the first driving blade 2 extends below the second side chord 122.

In specific implementation, when the impeller body 1 rotates, the first screw driving propeller blade rotates at a high speed, so that the reaction raw material below the impeller body 1 is conveyed upwards from the window 12, and after reaching the top of the impeller body 1, the reaction raw material is scattered in a four-direction way under the action of gravity and flows to the bottom of the reaction kettle from the position between the outer edge of the impeller body 1 and the side wall of the reaction kettle, and the reaction raw material is circularly reciprocated to form stirring and mixing of various raw materials.

More specifically, as shown in fig. 1-3, a plurality of first stirring blades 3 are annularly arranged at the edge of the impeller body 1 in an array manner, and the first stirring blades 3 are obliquely arranged; the first stirring blade 3 is located above the impeller body 1 and inclines to the outer side of the impeller body 1, and is mainly used for further stirring the raw materials and accelerating the mixing and stirring of the raw materials when the reaction raw materials move from the upper side of the impeller body 1 to the position between the outer edge of the impeller body 1 and the side wall of the reaction kettle.

More specifically, the face of the first stirring vane 3 intersects with the tangent line of the connection part of the first stirring vane and the impeller body 1, usually between 0 and 90 degrees, and a plurality of first stirring vanes 3 form a first spiral stirring blade for increasing the contact area with the flowing mixed raw materials and further accelerating the mixing of the raw materials, and meanwhile, the first stirring vane 3 can also cut when stirring the flowing raw materials, so that the material is not easy to fly when the angle is smaller, and the mixing of the material is facilitated to be accelerated.

Embodiment two:

Based on the embodiment, the impeller further comprises a plurality of second stirring blades 4, wherein the plurality of second stirring blades 4 are annularly arranged at the edge of the impeller body 1, and a second stirring blade 4 is obliquely arranged between every two adjacent first stirring blades 3; the second stirring vane 4 is located below the impeller body 1 and is inclined to the outside of the impeller body 1.

The plate surface of the second stirring blade 4 intersects with a tangent line at the joint of the second stirring blade and the impeller body 1, and the tangent line is usually between 0 and 90 degrees, and a plurality of second stirring blades 4 form a second spiral stirring blade.

In specific implementation, as shown in fig. 1-3, the second stirring blade 4 is located at the bottom of the impeller body 1, and is similar to the use principle of the first stirring blades 3, and is mainly used for primarily stirring materials from the upper part of the impeller body 1, after the materials are primarily stirred by the first stirring blades 3, when the materials return to the bottom of the impeller body 1 from between the impeller body 1 and the side wall of the reaction kettle, the materials are further stirred, the second spiral stirring blades formed by the second stirring blades 4 are further used for accelerating the mixing of various materials, and meanwhile, the inclined second stirring blades 4 can also be used for cutting when stirring the flowing materials, so that the materials are not easy to fly off when the angle is smaller, and the mixing of the materials is facilitated to be accelerated.

Embodiment III:

Based on the first embodiment and the second embodiment, the impeller further comprises a second screw driving blade, the second screw driving blade is composed of a plurality of second driving blades 5, and the plurality of second driving blades 5 are annularly arranged on the top of the impeller body 1;

One end of the second driving blade 5 is connected to the second side chord 122, and the free end of the second driving blade 5 extends above the first side chord 121.

As shown in fig. 1-3, in the specific implementation, the second screw driving blade is firstly used, so that the impeller body 1 can be installed and used without dividing the front and back surfaces, and in the second forward and backward use, the effects of the two are exchanged, when the impeller body 1 rotates forward, the mixed raw materials at the bottom of the impeller body 1 are shoveled onto the impeller body 1 through the first screw driving blade, and meanwhile, the mixed raw materials originally located above the window 12 are driven upwards through the second screw driving blade, so that even if materials are too much, the mixed stirring can be effectively performed, and the better stirring effect is achieved by combining the first screw stirring blade and the second screw stirring blade.

Embodiment four:

Based on the first embodiment, the second embodiment and the third embodiment, the impeller body 1 can be driven to reversely rotate, so that the raw material at the top of the impeller body 1 is conveyed downwards from the window 12 and flows upwards from the outer side, the novel stirring and mixing device is suitable for the condition that the materials are relatively few, the materials are not easy to fly, the material waste is avoided, and meanwhile, the stirring and mixing effects are very good. The impeller body has simple structure, small volume, very convenient maintenance and cleaning, and very good stirring and mixing effects.

The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. An impeller for stirring, characterized in that: comprises a plate-shaped impeller body (1), wherein a mounting hole (11) is formed in the axis of the impeller body (1);

A plurality of windows (12) are arranged on the impeller body (1) in an annular array, and first driving blades (2) are obliquely arranged at the windows (12);

The impeller is characterized in that a plurality of first stirring blades (3) are arranged on the edge of the impeller body (1) in an annular array manner, and the first stirring blades (3) are obliquely arranged.

2. A stirring impeller according to claim 1, characterized in that the first stirring blade (3) is located above the impeller body (1) and inclined to the outside of the impeller body (1).

3. An impeller according to claim 2, characterized in that the surface of the first stirring blade (3) intersects a tangent line at the junction with the impeller body (1).

4. A stirring impeller according to claim 3, further comprising a plurality of second stirring blades (4), wherein a plurality of second stirring blades (4) are annularly arranged at the edge of the impeller body (1), and the second stirring blades (4) are obliquely arranged between adjacent first stirring blades (3);

the second stirring blade (4) is positioned below the impeller body (1) and inclines to the outer side of the impeller body (1).

5. An impeller according to claim 4, characterized in that the surface of the second stirring blade (4) intersects with a tangent line at the junction with the impeller body (1).

6. A stirring impeller according to claim 5, characterized in that the first driving blade (2) is located at the bottom of the impeller body (1); the window (12) comprises a first side chord (121) and a second side chord (122) which are the same as the distance of the mounting hole (11);

One end of the first driving blade (2) is connected with the first side chord (121), and the other end of the first driving blade (2) extends to the lower part of the second side chord (122).

7. An impeller for stirring according to claim 6, further comprising a plurality of second driving blades (5), a plurality of said second driving blades (5) being arranged in an annular array on top of said impeller body (1);

One end of the second driving blade (5) is connected with the second side chord (122), and the free end of the second driving blade (5) extends to the upper side of the first side chord (121).