CN216372753U

CN216372753U - High-efficiency concrete mixer

Info

Publication number: CN216372753U
Application number: CN202122917566.9U
Authority: CN
Inventors: 李伟江; 麦嘉财; 张建桦
Original assignee: Heshan Lianfa Commercial Concrete Co ltd
Current assignee: Heshan Lianfa Commercial Concrete Co ltd
Priority date: 2021-11-25
Filing date: 2021-11-25
Publication date: 2022-04-26
Anticipated expiration: 2031-11-25

Abstract

The utility model discloses a high-efficiency concrete mixer, which belongs to the field of concrete mixers and comprises a mixing drum, wherein a mixing shaft is rotatably arranged between the inner walls of two sides of the mixing drum, mixing rods are symmetrically arranged on the mixing shaft, two feeding boxes and a crushing box are fixed on the top wall of the mixing drum, the crushing box is positioned between the two feeding boxes, the bottom walls of the feeding boxes and the crushing box are communicated with the mixing drum, the top wall of the feeding box is connected with a feeding pipe, a first screen is fixed between the inner walls of two sides of the feeding box, communicated feeding holes are formed in the side walls of the two feeding boxes, which are in contact with the crushing box, a second screen is arranged in the crushing box, and a vibration motor is symmetrically arranged on the lower surface of the second screen; the utility model has novel design and ingenious structure, screens and crushes the raw materials before stirring, reduces the probability of blockage, improves the working efficiency, has good stirring effect, ensures the product quality, reduces the energy consumption and has high practicability.

Description

High-efficiency concrete mixer

Technical Field

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

Background

Concrete, or cement concrete, is a composite material formed by binding fine aggregate and coarse aggregate with cement (cement paste) and hardening them over time, and in the past, lime-based cement such as lime paste has been the most common, but hydraulic cement such as calcium aluminate cement or portland cement has also been used in some cases. Unlike other concretes, non-cement based concretes bond various aggregates directly. Non-cement based concretes include asphalt concretes bonded with asphalt and polymer concretes with polymers as the cementitious material. Wherein asphalt concrete is often used for road surfaces.

A concrete mixer is a machine for mixing and stirring cement, gravel aggregate and water into a concrete mixture. However, in the using process of the concrete mixer, large-particle gravel and sand are often found in the concrete raw material, the general concrete mixer does not have the crushing function, and the large-particle gravel and sand can cause blockage, thereby affecting the quality and the working efficiency of the finished concrete.

SUMMERY OF THE UTILITY MODEL

The utility model provides a high-efficiency concrete mixer, which aims to solve the problems that the quality and the working efficiency of finished concrete are influenced because large-particle sand and stones often exist in concrete raw materials, a common concrete mixer does not have a crushing function, and the large-particle sand and stones can cause blockage.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a high-efficiency concrete mixer comprises a mixing drum, wherein mixing shafts are rotatably arranged between the inner walls of two sides of the mixing drum, mixing rods are symmetrically arranged on the mixing shafts, two feeding boxes and a crushing box are fixed on the top wall of the mixing drum, the crushing box is positioned between the two feeding boxes, the bottom walls of the feeding boxes and the crushing box are communicated with the mixing drum, a feeding pipe is connected onto the top wall of the feeding box, a first screen is fixed between the inner walls of the two sides of the feeding boxes, communicated feeding ports are formed in the side walls of the two feeding boxes, which are in contact with the crushing box, a second screen is arranged in the crushing box, a vibrating motor is symmetrically arranged on the lower surface of the second screen, guide plates are fixed on the inner walls of two sides of the crushing box, two extrusion plates are rotatably arranged between the inner walls of the other two sides of the crushing box, the guide plates and the extrusion plates are positioned right above the second screen, and extrusion blocks are arranged on the side walls of the guide plates and the extrusion plates, install the motor on the roof of crushing case, the output shaft of motor runs through the roof of crushing case and is connected with the pivot, be fixed with the cam in the pivot, and the cam is located between two stripper plates, the welding has the dead lever on the inner wall of churn, the one end of dead lever is fixed with the mounting box, the top of mounting box is fixed with the draft tube, screen cloth two is run through to the bottom of pivot, bevel gear one is installed to the roof of draft tube and mounting box, the lateral wall that the mounting box was run through to the one end that two agitator shafts are close to is connected with bevel gear two, and bevel gear two meshes with bevel gear one.

In a preferred embodiment, the mixing drum is of a cylindrical structure, and the bottom of the mixing drum is provided with a slope.

In a preferred embodiment, a discharge pipe is connected to an intermediate position of the bottom wall of the mixing drum, and a valve is mounted on the discharge pipe.

In a preferred embodiment, the first screen is obliquely arranged on the inner wall of the feeding box, the lower end of the first screen is positioned below the feeding hole, and the upper end of the first screen is positioned above the feeding hole.

As a preferred embodiment, the vertical section of the material guide plate is a right-angled triangle structure.

In a preferred embodiment, the extrusion block has a hemispherical structure.

In a preferred embodiment, the extrusion block is made of stainless steel alloy.

In a preferred embodiment, the guide shell has a conical structure.

The utility model has the beneficial effects that:

according to the efficient concrete mixer, through the arrangement of the structures such as the feeding box, the crushing box, the feeding pipe, the screen I, the feeding hole, the screen II, the guide plate, the extrusion block, the motor, the rotating shaft and the cam, raw materials are firstly added into the feeding box, the screen I is arranged in the feeding box and is used for screening the raw materials, the raw materials with normal size enter the mixing drum to be stirred, large-particle gravel enters the crushing box, the large-particle gravel is crushed by extrusion and then is stirred, the probability of blockage is reduced, and the working efficiency is improved;

this high-efficient concrete mixer drives two (mixing) shafts and rotates through setting up mounting box, draft tube, bevel gear one, bevel gear two, (mixing) shaft and puddler isotructure when carrying out kibbling to large granule gravel and sand, accomplishes the stirring to the concrete raw materials, and the design of cylindrical churn makes the raw materials fully stirred, guarantees product quality, utilizes a motor can realize smashing and stirring, reduces the energy consumption, and the practicality is high.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the feed box and crush box of the present invention;

fig. 3 is a schematic view of the internal structure of the mounting box of the present invention.

Reference numbers in the figures: 1. a mixing drum; 2. a stirring shaft; 3. a stirring rod; 4. a discharge pipe; 5. a feeding box; 6. a crushing box; 7. a feed pipe; 8. a first screen mesh; 9. a feed inlet; 10. a second screen; 11. a material guide plate; 12. a pressing plate; 13. extruding the block; 14. a motor; 15. a rotating shaft; 16. a cam; 17. fixing the rod; 18. mounting a box; 19. a draft tube; 20. a first bevel gear; 21. a second bevel gear; 22. a vibration motor.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1, the high-efficiency concrete mixer comprises a mixing drum 1, wherein the mixing drum 1 is of a cylindrical structure, the cylindrical design can reduce the occurrence of mixing dead angles and improve the mixing effect, an inclined plane is arranged at the bottom of the mixing drum 1, the inclined plane facilitates discharging, and the concrete residual quantity in the mixing drum 1 is reduced; all rotate between the inner wall of 1 both sides of churn and install (mixing) shaft 2, the symmetry is installed puddler 3 on the (mixing) shaft 2, and two (mixing) shaft 2 rotate and drive puddler 3 and rotate, stir the raw materials of both sides in 1 churn and mix, and the intermediate position of 1 diapire of churn is connected with row material pipe 4, and arranges and install the valve on the material pipe 4, stirs the back of accomplishing, opens the valve, can be with raw materials discharge.

Referring to fig. 1 and 2, be fixed with two feeding boxes 5 and crushing box 6 on the roof of churn 1, crushing box 6 is located between two feeding boxes 5, and all be linked together with churn 1 on the diapire of feeding box 5 and crushing box 6, feeding box 5 and crushing box 6 are to the raw materials screening back, directly get into churn 1, be connected with inlet pipe 7 on the roof of feeding box 5, be fixed with screen cloth 8 between the both sides inner wall of feeding box 5, screen cloth 8 is screened the raw materials, set up the feed inlet 9 that is linked together on the lateral wall that two feeding boxes 5 and crushing box 6 contacted, screen cloth 8 slope sets up on the inner wall of feeding box 5, screen cloth 8 of slope makes things convenient for large granule gravel and sand to roll into crushing box 6 in, the upper end position of screen cloth 8 is in the top of feed inlet 9, the tip is located the below of feed inlet 9 down.

Referring to fig. 2, a second screen mesh 10 is arranged in the crushing box 6, a vibration motor 22 is symmetrically arranged on the lower surface of the second screen mesh 10, the vibration motor 22 can accelerate the screening efficiency of the second screen mesh 10, material guide plates 11 are fixed on the inner walls of two sides of the crushing box 6, the material guide plates 11 guide large-particle sand and stones, the vertical cross section of each material guide plate 11 is of a right-angled triangle structure, and two extrusion plates 12 are rotatably arranged between the inner walls of the other two sides of the crushing box 6; big granule gravel and sand falls into between stock guide 11 and the stripper plate 12, stock guide 11 and stripper plate 12 all are located two 10 screens directly over, be provided with extrusion piece 13 on the lateral wall of stock guide 11 and stripper plate 12, extrusion piece 13 is close to the stock guide 11 along with stripper plate 12, it is broken with the extrusion of big granule gravel and sand, then get into the churn 1 through two 10 screens, extrusion piece 13 is the hemispherical structure, extrusion piece 13 is the stainless steel alloy material, hardness is high, long service life, it is good to extrude crushing effect.

Referring to fig. 2 and 3, a motor 14 is installed on the top wall of the crushing box 6, an output shaft of the motor 14 penetrates through the top wall of the crushing box 6 and is connected with a rotating shaft 15, the motor 14 is started, the output shaft of the motor 14 drives the rotating shaft 15 to rotate, a cam 16 is fixed on the rotating shaft 15, the rotating shaft 15 drives the cam 16 to rotate, the cam 16 is located between the two extrusion plates 12, and when the cam 16 rotates, the two extrusion plates 12 are continuously pushed to move, so that the sand and the stone are extruded and crushed; the welding has dead lever 17 on the inner wall of churn 1, the one end of dead lever 17 is fixed with mounting box 18, the top of mounting box 18 is fixed with draft tube 19, draft tube 19 is conical structure, draft tube 19 can avoid concrete raw materials to remain on mounting box 18 as far as possible, screen cloth two 10 is run through to the bottom of pivot 15, bevel gear 20 is installed to the roof of draft tube 19 and mounting box 18, pivot 15 drives bevel gear 20 and rotates, the one end that two (mixing) shafts 2 are close to mutually runs through the lateral wall that mounting box 18 is connected with bevel gear two 21, and bevel gear two 21 and bevel gear 20 mesh, bevel gear 20 drives two bevel gear 21 and rotates, make two (mixing) shafts 2 synchronous rotations, utilize puddler 3 to accomplish the stirring.

The working principle is as follows: the raw materials are respectively fed into two feeding boxes 5 through a feeding pipe 7, a first screen 8 screens the raw materials, the raw materials with normal size enter a mixing drum to wait for mixing, a first inclined screen 8 facilitates large-particle sand and stones to roll into a crushing box 6 through a feeding hole 9, the large-particle sand and stones fall between a guide plate 11 and an extrusion plate 12, a motor 14 and a vibration motor 22 are started, an output shaft of the motor 14 drives a rotating shaft 15 to rotate, the rotating shaft 15 drives a cam 16 to rotate, the cam 16 is located between the two extrusion plates 12, when the cam 16 rotates, the two extrusion plates 12 are continuously pushed to move, an extrusion block 13 approaches the guide plate 11 along with the extrusion plates 12 to extrude and crush the large-particle sand and stones, then the large-particle sand and stones enter the mixing drum 1 through a second screen 10, the vibration motor 22 can accelerate the screening efficiency of the second screen 10, when the rotating shaft 15 rotates, a first bevel gear 20 is simultaneously driven to rotate, the first bevel gear 20 drives the second bevel gear 21 to rotate, so that the two stirring shafts 2 synchronously rotate, the stirring is completed by the stirring rod 3, and the stirring effect is good.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A high-efficiency concrete mixer comprises a mixing drum (1) and is characterized in that a mixing shaft (2) is rotatably arranged between inner walls of two sides of the mixing drum (1), mixing rods (3) are symmetrically arranged on the mixing shaft (2), two feeding boxes (5) and a crushing box (6) are fixed on the top wall of the mixing drum (1), the crushing box (6) is positioned between the two feeding boxes (5), the bottom walls of the feeding boxes (5) and the crushing box (6) are communicated with the mixing drum (1), a feeding pipe (7) is connected on the top wall of the feeding boxes (5), a first screen (8) is fixed between the inner walls of two sides of the feeding boxes (5), a feeding hole (9) communicated with the crushing box (6) is formed in the side wall where the two feeding boxes (5) are contacted with the crushing box (6), a second screen (10) is arranged in the crushing box (6), and a vibrating motor (22) is symmetrically arranged on the lower surface of the second screen (10), the inner walls of two sides of the crushing box (6) are fixed with guide plates (11), two extrusion plates (12) are rotatably installed between the inner walls of the other two sides of the crushing box (6), the guide plates (11) and the extrusion plates (12) are located right above the screen II (10), extrusion blocks (13) are arranged on the side walls of the guide plates (11) and the extrusion plates (12), a motor (14) is installed on the top wall of the crushing box (6), an output shaft of the motor (14) penetrates through the top wall of the crushing box (6) and is connected with a rotating shaft (15), a cam (16) is fixed on the rotating shaft (15), the cam (16) is located between the two extrusion plates (12), a fixing rod (17) is welded on the inner wall of the stirring barrel (1), a mounting box (18) is fixed at one end of the fixing rod (17), a guide barrel (19) is fixed at the top of the mounting box (18), and the bottom end of the rotating shaft (15) penetrates through the screen II (10), A first bevel gear (20) is installed on the top walls of the guide shell (19) and the installation box (18), a second bevel gear (21) is connected to one end, close to the two stirring shafts (2), of the side wall penetrating through the installation box (18), and the second bevel gear (21) is meshed with the first bevel gear (20).

2. A high efficiency concrete mixer according to claim 1, characterized in that the mixing drum (1) is of cylindrical configuration, the bottom of the mixing drum (1) being provided with a bevel.

3. A high efficiency concrete mixer according to claim 2, wherein a discharge pipe (4) is connected to the bottom wall of the mixing drum (1) at an intermediate position, and a valve is mounted on the discharge pipe (4).

4. The high efficiency concrete mixer according to claim 1, wherein the first screen (8) is disposed obliquely on the inner wall of the feed box (5), and the lower end of the first screen (8) is located below the feed port (9) and the upper end of the first screen (8) is located above the feed port (9).

5. The high-efficiency concrete mixer according to claim 1, wherein the vertical section of the material guide plate (11) is a right-angled triangle structure.

6. A high efficiency concrete mixer according to claim 1, wherein said extrusion blocks (13) are of hemispherical configuration.

7. A high efficiency concrete mixer according to claim 6, wherein said extrusion blocks (13) are of stainless steel alloy.

8. A high efficiency concrete mixer according to claim 1, wherein said guide shell (19) is of conical configuration.