CN219404765U - Multi-blade stirring paddle structure of concrete mixer - Google Patents

Abstract

The utility model discloses a multi-blade stirring paddle structure of a concrete mixer, which comprises the following components: the main shaft, for the axle center part of stirring rake mechanism, the inboard rotation of main shaft is provided with the inner shaft, the outside cover of main shaft has the outer axle, wherein the inner shaft extends to the upper and lower both ends of main shaft, the main shaft extends to the upper and lower both ends of outer axle, the outside of outer axle is equipped with the stirring and leads to the board, the outside of main shaft is equipped with multiunit stirring paddle, just stirring paddle locates the lower extreme of outer axle, the lower extreme fixed mounting of inner shaft has the screw paddle, this multi-blade stirring rake mechanism for concrete mixer adopts the mode that three transmission shafts are nested each other, makes multiunit different stirring rake of shape can coaxial rotation, carries out multiple stirring simultaneously to carry out diversified intensive mixing to concrete, and this stirring rake can adapt to the inside shape of mixer agitator tank simultaneously, thereby effectively avoid missing, improve stirring efficiency and stirring degree of consistency.

Description

Multi-blade stirring paddle structure of concrete mixer

Technical Field

The utility model relates to the technical field of concrete stirring, in particular to a multi-blade stirring paddle structure of a concrete mixer.

Background

In the construction process of various buildings or large projects, concrete is always the main material of the buildings, the material quality of the concrete determines the strength, the bearing performance and the service life of the whole building, so the quality of the concrete needs to be strictly controlled, besides the quality of raw materials, the stirring uniformity of the concrete directly affects the final quality of the concrete in the mixing pouring process, if the stirring is not uniform enough, honeycomb pitting surfaces can be generated, or the problem of insufficient adhesion force can be seriously affected, and the normal use of the concrete is seriously affected.

The utility model discloses a high-efficiency concrete stirring paddle, and relates to the technical field of stirring paddles, wherein the application number CN202123165178.6 is searched. Including the protection box, the protection box top rotates and is connected with the vertical axis, and vertical axis bottom welding has the big bevel gear of initiative, and the symmetry rotates in the protection box to be connected with first horizontal bar and second horizontal bar, and first horizontal bar and the equal fixedly connected with of second horizontal bar one end are driven bevel gear, and driven bevel gear meshes with the big bevel gear of initiative, and protection box bottom symmetry rotates and is connected with first vertical bar and the perpendicular stick of second, and first vertical bar and the equal fixedly connected with in second vertical bar top are with the big bevel gear of driven that meshes with driven bevel gear. According to the utility model, raw materials can be stirred from multiple dimensions, the stirring efficiency is better, the vertical stirring structure horizontally stirs the raw materials at the upper layer, the transverse stirring structure sufficiently stirs the raw materials at the middle layer, and the first vertical rod and the second vertical rod stir the raw materials at the bottom layer, so that the stirring is more sufficient.

The concrete stirring paddle has the following defects: as for the concrete stirring mechanism, the stirring paddles are designed into a cylindrical shape for facilitating loading and unloading, but the stirring ranges and the stirring shapes of the stirring paddles are not uniform, and omission can occur when stirring the concrete with high viscosity, so that the stirring of the concrete is uneven, and the quality of the concrete is affected.

Disclosure of Invention

The utility model aims to provide a multi-blade stirring paddle structure of a concrete mixer, which aims to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a concrete mixer multi-blade stirring paddle structure comprising:

the main shaft is an axle center part of the stirring paddle mechanism, an inner shaft is rotatably arranged on the inner side of the main shaft, an outer shaft is sleeved on the outer side of the main shaft, the inner shaft extends to the upper end and the lower end of the main shaft, the main shaft extends to the upper end and the lower end of the outer shaft, stirring through plates are arranged on the outer side of the outer shaft, a plurality of groups of stirring paddles are arranged on the outer side of the main shaft, the stirring paddles are arranged at the lower end of the outer shaft, a propeller paddle is fixedly arranged at the lower end of the inner shaft, and the propeller paddles are tightly attached to the lower end of the stirring paddles.

Preferably, the outside of main shaft is equipped with the first tooth that is used for meshing power unit, first tooth is located the upper end of outer axle, the inboard of main shaft is equipped with first closed bearing, just first closed bearing is about the upper and lower both sides of main shaft sets up two sets of, the inboard of first closed bearing pass through waterproof glue with the inseparable laminating of interior axle.

Preferably, a second tooth is arranged on the outer side of the inner shaft, the second tooth is arranged at the upper end of the main shaft, and the second tooth is arranged at the upper end of the first tooth.

Preferably, the outer side of the outer shaft is provided with a third engaging tooth, the third engaging tooth is arranged at the upper end of the first engaging tooth, the inner side of the outer shaft is provided with a second closed bearing, the second closed bearing is two groups relative to the upper edge and the lower edge of the outer shaft, the inner side of the first closed bearing is connected with the main shaft through waterproof glue, and the outer side of the outer shaft is rotatably provided with a fixing bracket for the whole body.

Preferably, the stirring through plate is disc-shaped and is provided with a plurality of groups of dividing channels.

Preferably, the stirring blades share eight sets of blades.

Preferably, the shape of the bottom surface of the propeller blade is the same as the shape of the bottom surface of the stirring barrel.

Compared with the prior art, the utility model has the beneficial effects that: this a multilobe stirring rake mechanism for concrete mixer adopts the mode that three transmission shafts are nested each other, makes the different stirring rake of multiunit shape can coaxial rotation, carries out multiple stirring simultaneously to carry out diversified intensive mixing to concrete, this stirring rake can adapt to the inside shape of mixer agitator tank simultaneously, thereby effectively avoids omitting, improves stirring efficiency and stirring degree of consistency.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic elevational view of the present utility model;

FIG. 3 is a schematic cross-sectional view of the present utility model.

In the figure: 1. a main shaft; 2. an inner shaft; 3. an outer shaft; 4. stirring the through plate; 5. stirring paddles; 6. propeller blades; 7. a first tooth; 8. a first closed bearing; 9. a second tooth; 10. a third tooth; 11. a second closed bearing; 12. dividing the channel; 13. and (5) fixing the bracket.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.

Referring to fig. 1-3, a multi-blade paddle structure for a concrete mixer, comprising: the main shaft 1 is an axle center part of the stirring paddle mechanism, an inner shaft 2 is rotatably arranged on the inner side of the main shaft 1, an outer shaft 3 is sleeved on the outer side of the main shaft 1, the inner shaft 2 extends to the upper end and the lower end of the main shaft 1, the main shaft 1 extends to the upper end and the lower end of the outer shaft 3, stirring through plates 4 are arranged on the outer side of the outer shaft 3, a plurality of groups of stirring paddles 5 are arranged on the outer side of the main shaft 1, the stirring paddles 5 are arranged at the lower end of the outer shaft 3, a propeller paddle 6 is fixedly arranged at the lower end of the inner shaft 2, and the propeller paddle 6 is tightly attached to the lower end of the stirring paddles 5. The three rotating shafts of the device are spliced in a mutually nested mode, wherein the main shaft 1 is sleeved on the outer side of the inner shaft 2, and the outer shaft 3 is sleeved on the outer side of the main shaft 1, so that coaxial operation is realized, and stirring can be performed at different speeds and in different directions. The outside of main shaft 1 is equipped with the first tooth 7 that is used for meshing power unit, and the upper end of outer axle 3 is located to first tooth 7, and the inboard of main shaft 1 is equipped with first sealed bearing 8, and first sealed bearing 8 sets up two sets of about the upper and lower both sides of main shaft 1, and the inboard of first sealed bearing 8 closely laminates with interior axle 2 through the waterproof glue, makes can freely rotate between main shaft 1 and the interior axle 2, avoids liquid and grit infiltration simultaneously, blocks rotatory going on. The outer side of the inner shaft 2 is provided with a second tooth 9, the second tooth 9 is arranged at the upper end of the main shaft 1, and the second tooth 9 is arranged at the upper end of the first tooth 7. The outside of outer axle 3 is equipped with third tooth 10, the upper end of first tooth 7 is located to third tooth 10, the inboard of outer axle 3 is equipped with second closed bearing 11, second closed bearing 11 sets up two sets of about the upper and lower both sides of outer axle 3, and the inboard of first closed bearing 8 is connected with main shaft 1 through waterproof glue, the outside rotation of outer axle 3 is provided with and is used for holistic fixed bolster 13, because this stirring rake structure is huge, consequently can produce great rocking at driven in-process, damage takes place for avoiding equipment, consolidate further to the holistic structure through fixed bolster 13. The stirring through plate 4 is disc-shaped, and is provided with a plurality of groups of dividing channels 12, so that falling concrete materials can be primarily scattered, and the influence of agglomeration on normal stirring is avoided. The stirring blade 5 has eight groups of blades, is used for stirring the main structure, can fully and uniformly stir the bottom surface shape of the concrete screw blade 6 and the bottom surface shape of the stirring barrel are the same, and the screw blade 6 can fully be attached to the bottom surface of the stirring barrel, so that when the stirring blade continuously rotates, the stirring blade not only can play a role in stirring, but also can re-roll the concrete, and the stirring blade 5 re-breaks up the stirring.

To sum up: the three rotating shafts of the device are spliced in a mutually nested mode, wherein the main shaft 1 is sleeved on the outer side of the inner shaft 2, the outer shaft 3 is sleeved on the outer side of the main shaft 1, the outer shaft 3 and the inner shaft 2 are tightly connected through a first closed bearing 8 and a second closed bearing 11, different driving mechanisms can be respectively connected between the first engaging tooth 7, the second engaging tooth 9 and the third engaging tooth 10, different-speed and different-direction rotation is achieved, after concrete materials are poured, the materials are uniformly dispersed through the stirring through plate 4, the materials enter the lower layer through the partition channel 12 and are further stirred and dispersed through the stirring blades 5, meanwhile, the spiral blades 6 can continuously roll up the materials and further disperse through the stirring blades 5, the aim of uniform stirring is achieved, and the whole stirring blades are further supported through the fixing support 13, so that all stirring works are completed.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. A concrete mixer multi-blade stirring paddle structure, comprising:

spindle (1), for stirring rake mechanism's axle center part, the inboard rotation of spindle (1) is provided with interior axle (2), the outside cover of spindle (1) has outer axle (3), wherein interior axle (2) extend to the upper and lower both ends of spindle (1), spindle (1) extend to the upper and lower both ends of outer axle (3), the outside of outer axle (3) is equipped with stirring logical board (4), the outside of spindle (1) is equipped with multiunit stirring paddle (5), just stirring paddle (5) are located the lower extreme of outer axle (3), the lower extreme fixed mounting of interior axle (2) have screw blade (6), just screw blade (6) closely laminate in the lower extreme of stirring paddle (5).

2. The multi-blade stirring paddle structure of the concrete mixer according to claim 1, wherein a first meshing tooth (7) for meshing a power mechanism is arranged on the outer side of the main shaft (1), the first meshing tooth (7) is arranged at the upper end of the outer shaft (3), a first sealing bearing (8) is arranged on the inner side of the main shaft (1), two groups of the first sealing bearings (8) are arranged on the upper edge and the lower edge of the main shaft (1), and the inner side of the first sealing bearing (8) is tightly attached to the inner shaft (2) through waterproof glue.

3. The multi-blade stirring paddle structure of the concrete mixer according to claim 2, wherein a second engaging tooth (9) is arranged on the outer side of the inner shaft (2), the second engaging tooth (9) is arranged at the upper end of the main shaft (1), and the second engaging tooth (9) is arranged at the upper end of the first engaging tooth (7).

4. A concrete mixer multi-blade stirring paddle structure according to claim 3, characterized in that a third engaging tooth (10) is arranged on the outer side of the outer shaft (3), the third engaging tooth (10) is arranged at the upper end of the first engaging tooth (7), a second closed bearing (11) is arranged on the inner side of the outer shaft (3), two groups of second closed bearings (11) are arranged on the upper edge and the lower edge of the outer shaft (3), the inner side of the first closed bearing (8) is connected with the main shaft (1) through waterproof glue, and a fixing bracket (13) for fixing the whole body is rotatably arranged on the outer side of the outer shaft (3).

5. The multi-blade stirring paddle structure of the concrete mixer according to claim 4 is characterized in that the stirring through plate (4) is disc-shaped and is provided with a plurality of groups of dividing channels (12).

6. A multi-blade stirring paddle structure of a concrete mixer according to claim 5 wherein the stirring paddles (5) have a total of eight sets of blades.

7. A multi-blade mixer blade structure for concrete mixers according to claim 6, characterized in that the shape of the bottom surface of the propeller blade (6) is the same as the shape of the bottom surface of the mixer barrel.