CN210616915U

CN210616915U - A pnematic mixing arrangement of concrete preparation for little engineering

Info

Publication number: CN210616915U
Application number: CN201822169485.3U
Authority: CN
Inventors: 李志波
Original assignee: Shandong Vocational College of Industry
Current assignee: Shandong Vocational College of Industry
Priority date: 2018-12-24
Filing date: 2018-12-24
Publication date: 2020-05-26
Anticipated expiration: 2028-12-24

Abstract

The utility model provides a concrete preparation pnematic mixing arrangement for little engineering, including portable small-size agitator to the job site, the agitator top adds the mouth for the material, the bottom is the compounding discharge port, the agitator includes compounding portion, stirring portion and blanking portion, the agitator center of institute is equipped with the stirring axis, still include pnematic filler device, still include the material bin, material storage tank top is equipped with the toper dryer, whirlwind dustproof motor is installed at toper dryer top, whirlwind dustproof motor's pivot extends to in the toper dryer, pipeline and material interpolation mouth UNICOM are passed through at toper dryer top, be equipped with in the pivot and add the blade that the mouth discharged towards the material with the material dust. This equipment utilizes pnematic to on mixing raw materials such as the lighter cement of quality, utilizes the air current to drive cement powder material and adds in the mixing bunker of concrete, and the while is mixed and is added, and light materials such as cement can the homogeneous mixing in the assurance concrete, guarantees the concrete quality.

Description

A pnematic mixing arrangement of concrete preparation for little engineering

Technical Field

The utility model relates to a building engineering machinery technical field especially relates to a mixing apparatus, specifically indicates a concrete preparation pnematic mixing arrangement for little engineering.

Background

As is known, in order to improve the quality of buildings, the concrete of a common large building is directly purchased from a concrete production plant, the concrete is not required to be prepared on site, the grade of the concrete produced by the concrete plant strictly meets the design requirements of the building, the quality is high, and the product quality can be guaranteed.

However, in daily construction, local maintenance of a residential area or a construction site is frequently encountered, concrete is needed at the moment, but due to the fact that the using amount is small, the local maintenance cannot be directly ordered from a concrete plant, workers on the site generally mix the concrete, and some workers can use a simple stirrer to mix the concrete according to the experience of the workers.

The uneven mixing of the concrete prepared on site is mainly related to the mixing time, in order to accelerate the construction progress, the concrete prepared on site is not evenly mixed enough, the surface seems to be mixed completely, the even mixing is not substantially completed, especially the mixing between cement and other materials is not required, the surface of sand and stones often appears to be not adhered with enough cement components, after the concrete is used, the mutual adhesive force of partial sand and stones is reduced along with the time lapse, and the phenomenon of concrete fragmentation appears.

Disclosure of Invention

The to-be-solved technical problem of the utility model is weak point to prior art exists, provide a concrete preparation pnematic mixing arrangement for little engineering, this equipment utilizes pnematic to use on the mixed raw materials such as cement that the quality is lighter, mountain flour, utilize the air current to drive the powder materials that the quality is lighter such as cement, mountain flour and add in the mixing bunker of concrete, the limit is mixed the limit and is added, light materials such as cement can the homogeneous mixing in the assurance concrete, guarantees the concrete quality.

The technical solution of the utility model is, provide a following concrete preparation pnematic mixing arrangement for little engineering, including portable to job site's small-size agitator, the agitator top adds the mouth for the material, and the bottom is the compounding discharge port, the agitator includes compounding portion, stirring portion and blanking portion, and the agitator center of institute is equipped with the stirring axis, still includes pnematic filler device, pnematic filler device includes the material bin, material bin top is equipped with the toper dryer, the dustproof motor of whirlwind is installed at toper dryer top, the pivot of the dustproof motor of whirlwind extends to in the toper dryer, the hole UNICOM is added through the material of pipeline with the agitator to toper dryer top side, be equipped with in the pivot and add the blade that the mouth discharged towards the material with the material dust.

Preferably, the top of the conical air duct is also connected with a negative pressure pipe, and the other end of the negative pressure pipe is connected with an air blower.

Preferably, the material storage box is a powder material storage box, and an air inlet is formed in the material storage box.

Preferably, a plurality of guide plates which are obliquely arranged are arranged on the inner surface of the stirring barrel of the material mixing part, and a blanking gap is formed between every two adjacent guide plates.

Preferably, the stirring part is provided with at least two groups of stirring impellers, and the two groups of stirring impellers are arranged up and down and are sleeved on the stirring middle shaft.

Preferably, the blanking part comprises a conical barrel with a reduced bottom size, a blast port is arranged on the side wall of the conical barrel, and a single valve is arranged on the blast port.

Preferably, the negative pressure pipe is connected with an air inlet of an air blower, and an air outlet of the air blower is connected with an air outlet of the blanking part.

Preferably, the cyclone dustproof motor is fixed at the top of the conical air duct through a bracket.

Preferably, the bottom of the stirring barrel is provided with three supporting legs.

Preferably, the bottom of the rotating shaft extends into the material storage tank.

The beneficial effects of the technical scheme are as follows: this equipment utilizes pnematic to the mixed raw materials such as cement that the quality is lighter, mountain flour, utilize the air current to drive the powder materials such as cement, mountain flour that the quality is lighter and add in the mixing bunker of concrete, add while mixing, light materials such as cement can the homogeneous mixing in the assurance concrete, guarantee the concrete quality, powdered materials such as cement under negative pressure and the effect of whirlwind dustproof motor blade, mix with the air, enter into the agitator.

Drawings

Fig. 1 is a schematic structural view of a concrete preparation pneumatic mixing device for small projects.

Detailed Description

For convenience of explanation, the concrete preparation pneumatic mixing device for small projects of the utility model is described in detail below with reference to the accompanying drawings.

As shown in figure 1, the pneumatic mixing device for concrete preparation of small projects comprises a small stirring barrel 1 which can be moved to a construction site, a material adding port 2 is arranged at the top of the stirring barrel 1, a material mixing discharge port 3 is arranged at the bottom, the stirring barrel 1 comprises a material mixing part 4, a stirring part 5 and a material falling part 6, a stirring middle shaft 7 is arranged at the center of the stirring barrel 1, and the stirring barrel further comprises a pneumatic filling device, the pneumatic filling device comprises a material storage tank 8, a conical air duct 9 is arranged at the top of the material storage tank 8, the top of the conical air duct 9 is provided with a cyclone dustproof motor 10, a rotating shaft 11 of the cyclone dustproof motor 10 extends into the conical air duct 9, the side surface of the top of the conical air duct 9 is communicated with the material adding port 2 of the stirring barrel 1 through a pipeline 12, the rotating shaft 11 is provided with blades 13 capable of discharging material dust towards the material adding port 2; the top of the conical air duct 9 is also connected with a negative pressure pipe 14, an isolation net is arranged between the top of the conical air duct 9 and the negative pressure pipe, and the other end of the negative pressure pipe 14 is connected with an air blower 15; the material storage box 8 is a powder material storage box 8, and an air inlet 16 is formed in the material storage box 8; a plurality of guide plates 17 which are obliquely arranged are arranged on the inner surface of the stirring barrel 1 of the material mixing part 4, and a blanking gap is arranged between every two adjacent guide plates 17; the stirring part 5 is provided with at least two groups of stirring impellers 18, and the two groups of stirring impellers 18 are arranged up and down and are sleeved on the stirring middle shaft 7; the blanking part 6 comprises a conical barrel with the size of the bottom reduced, a blast port 19 is arranged on the side wall of the conical barrel, and a single valve is arranged on the blast port 19; the negative pressure pipe 14 is connected with an air inlet 16 of an air blower 15, and an air outlet hole of the air blower 15 is connected with a blast port 19 of the blanking part 6; the cyclone dustproof motor 10 is fixed at the top of the conical air duct 9 through a bracket; the bottom of the stirring barrel 1 is provided with three supporting legs 20; the bottom of the rotating shaft 11 extends into the material storage box 8, the air outlets of the air blowers are provided with three-way pipes, one air outlet is connected with the air blower, the other air outlet is connected with the atmosphere, and the two air outlets are provided with switches which can be selectively opened and closed according to actual conditions.

According to the technical scheme, the concrete preparation pneumatic mixing device for the small engineering is characterized in that gravels with heavier mass are conveyed by the pipeline type conveying auger, powdery materials with lighter mass are added by the pneumatic device, and a stirring motor and the conveying auger at the top of the stirring center shaft are not drawn in the attached drawings.

The pneumatic concrete mixing equipment utilizes pneumatic action to mix raw materials such as cement and stone powder with light weight, utilizes airflow to drive materials such as cement and stone powder with light weight to be added into a concrete mixing bin, and the materials are added while being mixed, so that the light materials such as cement in the concrete can be uniformly mixed, and the quality of the concrete is ensured.

In the above embodiments, the best mode of the present invention has been described, it is obvious that many changes can be made under the inventive concept of the present invention, and it should be noted that any changes made under the inventive concept of the present invention will fall within the protective scope of the present invention.

Claims

1. The utility model provides a pneumatic mixing arrangement of concrete preparation for small project, characterized by: comprises a small-sized stirring barrel (1) which can be moved to a construction site, a material adding port (2) is arranged at the top of the stirring barrel (1), a material mixing discharge port (3) is arranged at the bottom, the stirring barrel (1) comprises a material mixing part (4), a stirring part (5) and a material falling part (6), a stirring central shaft (7) is arranged at the center of the stirring barrel (1), and the stirring barrel further comprises a pneumatic filling device, the pneumatic filling device comprises a material storage box (8), a conical air duct (9) is arranged at the top of the material storage box (8), the top of the conical air duct (9) is provided with a cyclone dustproof motor (10), a rotating shaft (11) of the cyclone dustproof motor (10) extends into the conical air duct (9), the side surface of the top of the conical air duct (9) is communicated with the material adding port (2) of the stirring barrel (1) through a pipeline (12), and the rotating shaft (11) is provided with a blade (13) which can discharge the material dust towards the material adding port (2).

2. The concrete preparation pneumatic mixing device for small projects of claim 1, characterized by: the top of the conical air duct (9) is also connected with a negative pressure pipe (14), and the other end of the negative pressure pipe (14) is connected with an air blower (15).

3. The pneumatic mixing device for concrete preparation of small works according to claim 2, characterized in that: the powder material storage box (8) is arranged on the material storage box (8), and an air inlet (16) is formed in the material storage box (8).

4. The pneumatic mixing device for concrete preparation of small works according to claim 3, characterized in that: a plurality of guide plates (17) which are obliquely arranged are arranged on the inner surface of the stirring barrel (1) of the mixing part (4), and a blanking gap is arranged between every two adjacent guide plates (17).

5. The concrete preparation pneumatic mixing device for small projects according to claim 4, characterized by: the stirring part (5) is provided with at least two groups of stirring impellers (18), and the two groups of stirring impellers (18) are arranged up and down and are sleeved on the stirring center shaft (7).

6. The pneumatic mixing device for concrete preparation of small works according to claim 5, characterized in that: the blanking portion (6) comprises a conical barrel with the size of the bottom being reduced, a blast port (19) is formed in the side wall of the conical barrel, and a single valve is arranged on the blast port (19).

7. The pneumatic mixing device for concrete preparation of small works according to claim 6, characterized in that: the negative pressure pipe (14) is connected with an air inlet (16) of the air blower (15), and an air outlet of the air blower (15) is connected with a blast hole (19) of the blanking part (6).

8. The concrete preparation pneumatic mixing device for small projects of claim 1, characterized by: the cyclone dustproof motor (10) is fixed at the top of the conical air duct (9) through a support.

9. The concrete preparation pneumatic mixing device for small projects of claim 1, characterized by: the bottom of the stirring barrel (1) is provided with three supporting legs (20).

10. The concrete preparation pneumatic mixing device for small projects of claim 1, characterized by: the bottom of the rotating shaft (11) extends into the material storage tank (8).