CN221413330U - Stirring mechanism of large wet grading grinder - Google Patents

Abstract

The utility model belongs to the technical field of stirring mechanisms, and particularly relates to a stirring mechanism of a large wet grading grinder, which comprises a stirring shaft which is longitudinally arranged, wherein at least two impellers which are distributed at intervals are arranged on the stirring shaft along the axial direction of the stirring shaft, one end of the stirring shaft along the axial direction of the stirring shaft is a driving end connected with a driving source, an upper impeller is arranged in the impeller close to the driving end, and a lower impeller is arranged away from the driving end; the included angle between the blades of each impeller and the rotating plane of the impeller is an inclination angle, and the inclination angle of the upper impeller is larger than that of the lower impeller; according to the utility model, the lower impeller with a small inclination angle is contacted with the material to reduce part of resistance so as to balance the resistance borne by the upper impeller with a large inclination angle, thus the axial balance of the stirring shaft is realized, and the stirring effect is improved.

Description

Stirring mechanism of large wet grading grinder

Technical Field

The utility model belongs to the technical field of stirring mechanisms, and particularly relates to a stirring mechanism of a large wet grading grinder.

Background

When the container is large, a plurality of stirring impellers distributed along the axial direction are installed on the stirring shaft to uniformly stir, the stirring shaft is driven by the motor to rotate, the stirring impellers rotate along with the stirring shaft, the materials continuously move under the action of centrifugal force generated by the stirring impellers, but the gravity of the materials borne by the lower impellers is always larger than that of the materials borne by the upper impellers, particularly in a grinder, the inside of the grinder is provided with the materials to be ground and grinding media for grinding the materials, the acting force borne by the lower impellers is larger, the axial extension length of the stirring shaft is longer, a driving source is positioned at one end close to the upper impellers, and when the driving source drives the upper impellers and the lower impellers to synchronously rotate, if the structures of the upper impellers and the lower impellers are completely identical, the balance of the stirring shaft is poor, and the stirring effect is poor.

Disclosure of utility model

The utility model aims to solve the technical problems that: in order to solve the problems that in the stirring structure in the prior art, the gravity of materials borne by a lower impeller is always greater than that borne by an upper impeller, and the axial extension length of a stirring shaft is longer, when a driving source drives the upper impeller to synchronously rotate with the lower impeller, the balance of the stirring shaft is poor, and the stirring effect is poor, the stirring mechanism of the large wet grading grinder is provided.

In order to solve the technical problems, the utility model adopts the following technical scheme: the stirring mechanism of the large wet grading grinder comprises a stirring shaft which is longitudinally arranged, wherein at least two impellers which are distributed at intervals are arranged on the stirring shaft along the axial direction of the stirring shaft, one end of the stirring shaft along the axial direction of the stirring shaft is a driving end connected with a driving source, an upper impeller which is close to the driving end in the impellers, and a lower impeller which is far away from the driving end;

The included angle between the blades of each impeller and the rotating plane of the impeller is an inclined angle, the inclined angle of the upper impeller is larger than that of the lower impeller, namely the inclined degree of the blades of the lower impeller is smaller than that of the blades of the upper impeller, and the blades of the lower impeller are more gentle; when the driving source drives the stirring shaft to rotate, the impeller rotates along with the stirring shaft, and the small-inclination lower impeller contacts with materials to reduce part of resistance so as to balance the resistance borne by the large-inclination upper impeller, thereby realizing the axial balance of the stirring shaft and improving the stirring effect.

According to the technical scheme, the lower impeller with the small inclination angle is in contact with the material to reduce part of resistance, so that the resistance borne by the lower impeller with the large inclination angle is balanced, the axial balance of the stirring shaft is realized, and the stirring effect is improved.

Further, the upper impeller is used for driving the materials to move downwards, and the lower impeller is used for driving the materials to move upwards to form circulation, so that the materials in the upper impeller can be fully mixed or extruded, and a good mixing effect or grinding effect is achieved.

Further, the rotation direction of the blades of the upper impeller is opposite to that of the blades of the lower impeller, and the upper impeller and the lower impeller synchronously rotate under the action of the stirring shaft, so that the upper impeller generates downward vortex to drive materials to move downwards, and meanwhile, the lower impeller generates upward vortex to drive the materials to move upwards, so that the materials are fully contacted and mixed.

Further, each impeller is externally coated with a wear-resistant layer to prolong the service life of the impeller.

Further, the wear-resistant layer is made of rubber or nylon.

Further, the blades of the impeller are spiral.

The utility model has the beneficial effects that: according to the utility model, the lower impeller with a small inclination angle is contacted with the material to reduce part of resistance so as to balance the resistance borne by the upper impeller with a large inclination angle, thus the axial balance of the stirring shaft is realized, and the stirring effect is improved.

Drawings

The utility model will be further described with reference to the drawings and examples.

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a cross-sectional view of the present utility model;

In the figure:

1. A stirring shaft; 2. an upper impeller; 3. a lower impeller; 4. and a wear-resistant layer.

Detailed Description

The utility model will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic representations which merely illustrate the basic structure of the utility model and therefore show only the structures which are relevant to the utility model, and orientation and reference such as up, down, left, right, etc. may be used only to assist in the description of the features in the drawings. The following detailed description is, therefore, not to be taken in a limiting sense, and the scope of the claimed subject matter is defined only by the appended claims and equivalents thereof.

Embodiment one:

as shown in fig. 1 and 2, the utility model provides a stirring mechanism of a large wet grading grinder, which is suitable for wet grinding and can be used for mixing and stirring, and comprises a stirring shaft 1 which is longitudinally arranged, wherein the stirring shaft 1 is provided with at least two impellers which are distributed at intervals along the axial direction of the stirring shaft, the number of the impellers can be two, three and the like, one end of the stirring shaft 1 along the axial direction of the stirring shaft is a driving end connected with a driving source, the driving source is a motor, an upper impeller 2 which is close to the driving end in the two impellers, a lower impeller 3 which is far away from the driving end, each impeller comprises a plurality of blades which are arranged at intervals along the circumferential direction and a wear-resisting layer 4 which is coated outside the blades, the wear-resisting layer 4 is in a spiral shape, the wear-resisting layer 4 is in direct contact with materials, the wear-resisting layer is directly replaced after the wear, the cost can be reduced, and the service life of internal blades can be prolonged.

The blades of the upper impeller 2 and the blades of the lower impeller 3 rotate in opposite directions, the upper impeller 2 and the lower impeller 3 synchronously rotate under the action of the stirring shaft 1, so that the upper impeller 2 generates downward vortex to drive materials to move downwards, and meanwhile, the lower impeller 3 generates upward vortex to drive the materials to move upwards, so that circulation is formed, internal fluid can be fully contacted and mixed, or grinding media and the materials can be fully extruded to achieve good grinding effect.

The included angle between the blades of each impeller and the rotating plane thereof is an inclination angle, the inclination angle of the upper impeller 2 is larger than the inclination angle of the lower impeller 3, namely, the inclination degree of the blades of the lower impeller 3 is smaller than that of the blades of the upper impeller 2, and the blades of the lower impeller 3 are more gentle; when the driving source drives the stirring shaft 1 to rotate, the impeller rotates along with the stirring shaft, and the contact of the lower impeller 3 with a small inclination angle with materials can reduce part of resistance so as to balance the resistance borne by the upper impeller 2 with a large inclination angle, thereby realizing the axial balance of the stirring shaft 1 and improving the stirring effect.

With the above-described preferred embodiments according to the present utility model as an illustration, the above-described descriptions can be used by persons skilled in the relevant art to make various changes and modifications without departing from the scope of the technical idea of the present utility model. The technical scope of the present utility model is not limited to the description, but must be determined according to the scope of claims.

Claims (6)

1. The utility model provides a large-scale wet process classification grinds rabbling mechanism of machine which characterized in that: the stirring shaft (1) is longitudinally arranged, at least two impellers which are distributed at intervals are arranged on the stirring shaft (1) along the axial direction of the stirring shaft, one end of the stirring shaft (1) along the axial direction of the stirring shaft is a driving end connected with a driving source, an upper impeller (2) which is close to the driving end in the impellers, and a lower impeller (3) which is far away from the driving end are arranged on the stirring shaft;

the included angle between the blades of each impeller and the rotating plane of each impeller is an inclination angle, and the inclination angle of the upper impeller (2) is larger than that of the lower impeller (3).

2. The stirring mechanism of the large wet classification grinding machine according to claim 1, wherein: the upper impeller (2) is used for driving the materials to move downwards, and the lower impeller (3) is used for driving the materials to move upwards.

3. The stirring mechanism of the large wet classification grinding machine according to claim 2, wherein: the blades of the upper impeller (2) are opposite to the blades of the lower impeller (3).

4. The stirring mechanism of the large wet classification grinding machine according to claim 1, wherein: each impeller is externally coated with a wear-resistant layer (4).

5. The stirring mechanism of the large wet classification grinding machine according to claim 4, wherein: the wear-resistant layer (4) is made of rubber or nylon.

6. The stirring mechanism of the large wet classification grinding machine according to claim 1, wherein: the blades of the impeller are spiral.