CN220945965U

CN220945965U - Concrete mixer

Info

Publication number: CN220945965U
Application number: CN202322118273.3U
Authority: CN
Inventors: 李鹏
Original assignee: Xuzhou Yushun Concrete Co ltd
Current assignee: Xuzhou Yushun Concrete Co ltd
Priority date: 2023-08-07
Filing date: 2023-08-07
Publication date: 2024-05-14
Anticipated expiration: 2033-08-07

Abstract

The utility model discloses a concrete mixer, comprising: the stirring device comprises a shell, wherein a stirring shaft is rotationally arranged in the shell, a motor is connected to the part, located outside the shell, of the stirring shaft, a plurality of stirring rods are fixed to the part, located inside the shell, of the stirring shaft, a scraper is arranged at the tail end of each stirring rod, and the scraper is provided with a plurality of cambered surfaces, wherein one cambered surface can be attached to the inner wall of the shell. The cambered surface design of the scraping plate can scrape away the concrete adsorbed on the inner wall of the shell better; in addition, the circular arc bottom surface of the shell and the inclined bottom stirring rod can effectively stir the concrete adsorbed in the stirring blind area at the bottom of the shell, so that the stirring quality is improved.

Description

Concrete mixer

Technical Field

The utility model relates to the technical field of concrete, in particular to a concrete mixer.

Background

The concrete is usually prepared by using cement as a cementing material, sand and stone as aggregates, mixing the aggregates with water (which can contain additives and admixtures) according to a certain proportion, and uniformly stirring; the existing concrete manufacturing equipment often has part of concrete adsorbed on the inner wall of a stirring cavity in the using process, and can not be stirred, or the stirring blind area at the bottom of the equipment can not be reached, so that the stirring is not uniform and sufficient, and the quality of the final concrete is affected.

Disclosure of utility model

Aiming at the technical defects, the utility model aims to provide a concrete mixer, which can solve part or all of the technical problems.

In order to solve the technical problems, the utility model adopts the following technical scheme:

The present utility model provides a concrete mixer, comprising: the stirring device comprises a shell, wherein a stirring shaft is rotationally arranged in the shell, a motor is connected to the part, located outside the shell, of the stirring shaft, a plurality of stirring rods are fixed to the part, located inside the shell, of the stirring shaft, a scraper is arranged at the tail end of each stirring rod, and the scraper is provided with a plurality of cambered surfaces, wherein one cambered surface can be attached to the inner wall of the shell.

Preferably, the scraping plate is provided with three arc-shaped surfaces, at least one convex surface and one concave surface, and the convex surface of the scraping plate can be attached to the inner wall.

Preferably, the surface of the scraping plate is provided with a plurality of drainage bars for guiding the concrete, and the drainage bars are obliquely arranged on the scraping plate.

Preferably, the stirring rods are uniformly distributed around the circumference of the stirring shaft, the stirring rods are provided with a plurality of groups, and the scraping plates at the tail ends of each group of stirring rods are connected end to end.

Preferably, the bottom wall of the shell is arc-shaped, the stirring rod at the lower side of the stirring shaft is obliquely arranged, and the scraping plate can scrape concrete on the bottom wall of the shell.

Preferably, the scraping plate, the stirring shaft, the stirring rod and the shell are made of refractory steel materials.

The utility model has the beneficial effects that: the cambered surface design of the scraping plate can scrape away the concrete adsorbed on the inner wall of the shell better; in addition, the circular arc bottom surface of the shell and the inclined bottom stirring rod can effectively stir the concrete adsorbed in the stirring blind area at the bottom of the shell, so that the stirring quality is improved.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of an external appearance of a concrete mixer according to an embodiment of the present utility model;

FIG. 2 is a schematic cross-sectional view of a concrete mixer;

FIG. 3 is a schematic cross-sectional view of the interior of the housing;

Fig. 4 is a schematic view of a squeegee.

Reference numerals illustrate:

11-a shell, 12-a motor, 13-a feeding pipe, 14-a water inlet pipe and 15-a discharging pipe;

21-stirring shaft, 22-stirring rod, 23-scraper and 231-drainage strip.

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.

Examples:

As shown in fig. 1 to 4, the present utility model provides a concrete mixer, comprising: the shell 11 is provided with a feed pipe 13, a feed pipe 14 and a discharge pipe 15, wherein the feed pipe 13 and the discharge pipe 15 extend out of the shell 11, and the discharge pipe 15 is positioned at the center of the bottom of the shell 11 so as to facilitate discharging; the feeding pipe 13, the water inlet pipe 14 and the discharging pipe 15 are all provided with switch devices (the switch devices are the existing pipeline valves and are not described in detail);

A stirring shaft 21 is rotatably arranged in the shell 11, one end of the stirring shaft 21 extends into the shell 11, and a plurality of stirring rods 22 are fixed on the part in the shell 11; the other end of the stirring shaft 21 penetrates through the shell 11 and extends out of the shell 11, a motor 12 is connected to the part outside the shell 11, and the stirring shaft 21 rotates in a mode of being driven by the motor 12;

A plurality of stirring rods 22 are fixed on the part of the stirring shaft 21 positioned in the shell 11, and the stirring rods 22 are uniformly distributed around the circumference of the stirring shaft 21; the stirring rod 22 is provided with a plurality of groups, the tail end of the stirring rod 22 is provided with the scraping plates 23, and the scraping plates 23 at the tail end of each group of stirring rod 22 are connected end to end, so that the scraping plates 23 can scrape the concrete adsorbed on the inner wall of the shell 11 in a larger range during stirring;

The scraping plate 23 is provided with a plurality of cambered surfaces, wherein one cambered surface is a convex surface and can be attached to the inner wall of the shell 11; the scraping plate 23 further has at least one concave surface, as shown in fig. 2 and 4 (in this embodiment, the scraping plate 23 has two concave surfaces), the concave surfaces of the scraping plate 23 are arranged along the rotation direction of the stirring rod 22, and at this time, the scraping plate 23 forms an angle with the inner wall of the casing 11, so that the concrete adsorbed on the inner wall of the casing 11 can be scraped better;

Further, the surface of the scraping plate 23 is provided with a plurality of drainage strips 231, the drainage strips 231 are arranged in the concave surface, and the drainage strips 231 are obliquely arranged towards the middle of the scraping plate 23, as shown in fig. 4, the concrete can be drained towards the middle, so that the concrete in different layers can be better mixed together;

Further, the bottom wall of the shell 11 is arc-shaped, the bottom of the stirring shaft 21 is obliquely provided with a stirring rod 22, and the radian of a scraper 23 at the tail end of the stirring rod 22 can be attached to the bottom wall of the shell 11, so that the scraper 23 can scrape concrete on the bottom wall of the shell 11, and the concrete in a stirring blind area at the bottom of the shell 11 can be effectively stirred;

in addition, the scraping plate 23, the stirring shaft 21, the stirring rod 22 and the shell 11 are made of refractory steel materials, so that the adsorption of concrete can be effectively reduced;

When the stirring device is used, firstly, the valve of the discharging pipe 15 is in a closed state, the feeding pipe 13 and the water inlet pipe 14 are opened, cement, sand and stone are poured into the shell 11 from the feeding pipe 13, water is poured into the water inlet pipe 14, then, the valve of the feeding pipe 13 and the water inlet pipe 14 is closed, the motor 12 is started to drive the stirring shaft 21 to rotate so as to drive the stirring rod 22 to stir, meanwhile, the scraper 23 at the tail end of the stirring rod 22 can scrape concrete on the inner wall of the shell 11, so that the concrete can be sufficiently stirred, and after the stirring is completed, the concrete is discharged from the discharging pipe 15.

It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims

1. A concrete mixer, comprising: the stirring device comprises a shell (11), wherein a stirring shaft (21) is rotationally arranged in the shell (11), a motor (12) is connected to the part, located outside the shell (11), of the stirring shaft (21), a plurality of stirring rods (22) are fixed to the part, located inside the shell (11), of the stirring shaft (21), a scraper (23) is arranged at the tail end of each stirring rod (22), and each scraper (23) is provided with a plurality of cambered surfaces, wherein one cambered surface can be attached to the inner wall of the shell (11);

The surface of the scraping plate (23) is provided with a plurality of drainage strips (231), the drainage strips (231) are arranged in the concave surface, and the drainage strips (231) are obliquely arranged towards the middle of the scraping plate (23).

2. A concrete mixer according to claim 1, characterized in that the blade (23) has three curved surfaces, at least one convex surface and one concave surface, the convex surface of the blade (23) being capable of conforming to the inner wall.

3. A concrete mixer according to claim 1, characterized in that the blade (23) is provided with a plurality of drainage bars (231) on its surface for guiding the concrete, the plurality of drainage bars (231) being arranged obliquely to the blade (23).

4. A concrete mixer according to claim 1, characterized in that the mixing bars (22) are evenly distributed circumferentially around the mixing shaft (21), the mixing bars (22) having several sets of blades (23) at the end of each set of mixing bars (22) being connected end to end.

5. A concrete mixer according to claim 1, characterized in that the bottom wall of the housing (11) is circular arc-shaped, the stirring rod (22) at the lower side of the stirring shaft (21) is arranged obliquely, and the scraping plate (23) can scrape the concrete on the bottom wall of the housing (11).

6. A concrete mixer according to claim 1, characterized in that the blade (23), the stirring shaft (21), the stirring rod (22) and the housing (11) are all of a refractory steel material.