Concrete mixer with high-pressure cleaning device

By introducing a combination structure of threaded conveyor blades and mixing rods into the concrete mixer, combined with a high-pressure cleaning device, the problems of slow concrete circulation and adhesion inside the tank are solved, thereby improving mixing efficiency and cleaning effect.

CN223790742UActive Publication Date: 2026-01-13SANYA HUASHENGXIN CONCRETE CO LTD
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Patent Information

Application Number
CN202520286234.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-21
Publication Date
2026-01-13
Estimated Expiration
2035-02-21

AI Technical Summary

Technical Problem

Existing concrete mixers have slow concrete circulation inside the tank during use, resulting in low mixing efficiency. Furthermore, after prolonged use, concrete tends to adhere to the inner wall of the tank, affecting its performance.

Method used

A concrete mixer with a high-pressure cleaning device was designed. It adopts a combination structure of threaded conveyor blades and mixing rods. The threaded conveyor blades are driven by a drive motor to rotate, realizing the up and down circulation of concrete. It is equipped with a scraper and a high-pressure nozzle system, and uses an elastic magnetic suction mechanism and a meshing suction mechanism to clean the inner wall.

Benefits of technology

It improves concrete mixing efficiency, ensures the cleanliness of the tank's inner wall, reduces concrete adhesion, and lowers the risk of scraper wear and high-pressure nozzle clogging.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of concrete mixers, in particular to a concrete mixer with a high-pressure cleaning device, which comprises a tank body, a cover body is mounted on the outer surface of the tank body in an inserting manner, the outer surface of the cover body is connected with the tank body through bolts, and a driving motor is fixedly mounted at one end, far away from the cover body, of the tank body. And a lifting barrel is fixedly mounted in the tank body. According to the concrete mixer with the high-pressure cleaning device, after a concrete material is put into the tank body, a driving motor can be started to drive a threaded conveying blade to rotate, so that the threaded conveying blade can rotate and convey concrete at the bottom of the tank body to the upper part; the stirring rod rotates along with the stirring rod, and the cylinder is arranged on the outer surface of the stirring rod, so that concrete can be more quickly and uniformly stirred, the concrete at the bottom of the tank body can be conveyed to the upper part, and the mixing time of the concrete can be shortened and the concrete can be uniformly stirred through the stirring of the stirring rod.
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Description

Technical Field

[0001] This utility model relates to the field of concrete mixer technology, specifically a concrete mixer with a high-pressure cleaning device. Background Technology

[0002] Concrete mixers are construction machinery used to uniformly mix materials such as cement, sand, gravel, and water to produce concrete. They play a crucial role in construction, directly affecting the quality of concrete and the efficiency of pouring. As construction projects continue to develop and the requirements for concrete quality continue to increase, the design and manufacturing of mixers are also constantly being improved. Common mixer mixing methods are divided into gravity mixing and forced mixing. Gravity mixing uses the weight of the material itself for mixing, while forced mixing uses the force of the mixing blades to make the material mix quickly. However, in the use of existing mixing devices, the concrete in the lower half of the tank cannot circulate to the upper part, resulting in low mixing efficiency. At the same time, after long-term use, concrete can easily adhere to the inner wall of the tank, affecting its use. Utility Model Content

[0003] The purpose of this invention is to provide a concrete mixer with a high-pressure cleaning device to solve the problem mentioned in the background art where the slow circulation of concrete inside the tank affects the mixing efficiency.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a concrete mixer with a high-pressure cleaning device, comprising a tank, a cover being inserted and installed on the outer surface of the tank, and the outer surface of the cover being connected to the tank by bolts, a drive motor being fixedly installed at the end of the tank away from the cover, and the output end of the drive motor penetrating through the outer surface of the tank, and the tank and the drive motor being concentrically designed, a lifting bucket being fixedly installed inside the tank, and a rotating mechanism being provided between the lifting bucket and the drive motor, the concrete being uniformly mixed by means of the rotating mechanism.

[0005] Preferably, the rotating mechanism includes: a threaded conveying blade, which is fixedly installed at the output end of a drive motor, and the drive motor and the lifting barrel are concentrically designed. The outer surface of the lifting barrel and the side surface of the threaded conveying blade are connected by rotational friction. A stirring rod is fixedly installed on the outer surface of the threaded conveying blade, and cylinders with different angles are evenly arranged on the outer surface of the stirring rod.

[0006] Using the above technical solution, when the drive motor rotates, it will drive the threaded conveyor blades to rotate. In conjunction with the lifting bucket and the threaded conveyor blades, the concrete at the bottom of the tank can be lifted to the top of the tank. With the rotation of the mixing rod and the cylinders set in different directions, the concrete stored in the tank can be mixed more quickly, realizing the up-and-down circulation of concrete in the tank and speeding up the mixing speed of the concrete inside the tank.

[0007] Preferably, the interior of the tank is inclined, and a discharge gate is fixedly installed on the outer surface of the end of the tank away from the cover, and the discharge gate is located at the lowest point of the tank. A feed inlet is provided on the side surface of one end of the cover, and a gravity flap is rotatably installed inside the feed inlet of the cover.

[0008] By adopting the above technical solution, the inclined design inside the tank allows the concrete to flow smoothly to the discharge gate during discharge, and the concrete can be smoothly discharged from the discharge gate. The gravity flap allows the concrete material to pass through during addition, and the initial dust emission during mixing can be reduced.

[0009] Preferably, an elastic magnetic attraction mechanism is provided between the cover and the threaded conveying blade. The elastic magnetic attraction mechanism prevents concrete from adhering to the inner wall of the tank during mixing and discharging, thus preventing the inner wall from becoming thicker.

[0010] Using the above technical solution, when the threaded conveyor blade rotates, it will drive the plug rod to rotate, so that the scraper that engages with the plug groove can rotate along with it, and the scraper strips plugged into both ends of the scraper will scrape and wash the inner wall of the tank to keep the inner wall of the tank clean.

[0011] Preferably, the elastic magnetic attraction mechanism includes: a plug rod, which is fixedly installed at one end of the threaded conveying blade, and the threaded conveying blade and the plug rod are concentrically designed; a rotating plug block is rotatably installed on the outer surface of the cover, and the rotating plug block is plugged into one end of the plug rod; an electromagnet is fixedly installed on the outer surface of the cover, and the electromagnet and the rotating plug block are concentrically designed; a plug groove is formed on the outer surface of the plug rod, and the end of the plug rod near the plug groove is inclined; a scraper is slidably installed on the outer surface of the plug rod, and the outer surface of the scraper engages with the plug groove; a spring is provided between the rotating plug block and the scraper; and scraper strips are plugged into the outer surfaces of both sides of the scraper.

[0012] By adopting the above technical solution, the insertion of the plug rod and the rotating plug block makes the threaded conveyor blade and the scraper more stable during rotation. When the scraper does not need to rotate, the scraper can be lifted by simply activating the electromagnet, allowing it to separate from the plug slot. This prevents the scraper from rotating and reduces wear on the scraper strip. The plug-in engagement between the scraper strip and the scraper frame facilitates the replacement of the scraper strip. When the scraper frame and scraper strip need to be rotated to scrape and clean the inside of the tank, simply de-energize the electromagnet. The spring will then push the scraper out, allowing it to slide along the inclined surface of the plug rod into the plug slot and engage. This facilitates cleaning of the scraper strip while controlling its rotation to reduce wear.

[0013] Preferably, a suction mechanism is provided between the cover and the rotating plug, which allows a water pipe to be inserted into the water to draw clean water to clean the tank during cleaning.

[0014] Using the above technical solution, when cleaning is needed, simply insert the water pipe into the water tank to draw out the water and send it into the high-pressure nozzle. The high-pressure nozzle sprays the water onto the inner wall of the tank, and with the scraping of the scraper, the inside of the tank can be cleaned more thoroughly.

[0015] Preferably, the engagement suction mechanism includes: a pump body, the pump body being fixedly installed on the outer surface of the cover, a gear module being fixedly installed on the shaft of the rotating plug block and the input shaft of the pump body, and the diameter of the gear module of the rotating plug block being larger than the diameter of the gear module of the pump body, a high-pressure nozzle being fixedly installed on the outer surface of the cover, and the high-pressure nozzle being connected to the pump body, and a flexible hose being connected to one end of the pump body.

[0016] Using the above technical solution, when the threaded conveyor blade rotates and the rotating plug block rotates together, it will drive the gear module to rotate together. Power is transmitted through the meshing of the gear module, and the diameter difference between the gear modules accelerates the rotation speed of the pump body and increases the pump water volume. This allows the water pressure sprayed from the high-pressure nozzle to be higher and the water output to be greater. When not in use, simply remove the water pipe of the lifting tank to prevent water from being pumped into the tank and to prevent the high-pressure nozzle from being blocked by the concrete blown away by the mixer.

[0017] Compared with the prior art, the beneficial effects of this utility model are: the concrete mixer with a high-pressure cleaning device:

[0018] 1. After the concrete material is put into the tank, the drive motor can be started to drive the threaded conveyor blade to rotate, so that the threaded conveyor blade can rotate and transport the concrete at the bottom of the tank to the top. Together with the stirring rod, it rotates with the cylinder set on the outer surface, so that the concrete can be mixed more quickly and evenly. The concrete at the bottom of the tank can be transported to the top, and the mixing time of the concrete can be shortened and mixed evenly by the stirring of the stirring rod.

[0019] 2. By engaging the scraper with the insertion slot, the rotation of the threaded conveyor blades can drive the insertion rod and scraper to rotate together, allowing the scraper to clean and scrub the inner wall of the tank, ensuring its cleanliness. When the scraper is not needed to rotate, simply energize the electromagnet to attract the scraper and separate it from the insertion slot, preventing the scraper from rotating with the threaded conveyor blades. When the scraper needs to rotate, simply de-energize the electromagnet, and the spring will push the scraper back, allowing it to slide down the inclined surface of the insertion rod, engaging the insertion slot with the scraper, and scrubbing the inner wall of the tank. The scraper's rotation can also be controlled, reducing wear on the scraper.

[0020] 3. With the insertion of the plug rod and the rotating plug block, the scraper, rotating plug block, and mixing rod can rotate more stably, and the gear module can rotate together. The diameter difference between the gear modules allows the pump body to rotate faster, increasing the amount of water pumped in and the pressure discharged. This allows the high-pressure nozzle to spray water at a higher pressure. Combined with the cleaning of the scraper, the tank can be cleaned more thoroughly. When cleaning is not required, simply remove the hose from the water so that the high-pressure nozzle only sprays air, preventing the high-pressure nozzle from being blocked by concrete during concrete mixing. This facilitates cleaning and rinsing while preventing the high-pressure nozzle from clogging. Attached Figure Description

[0021] Figure 1 This is a three-dimensional structural diagram of the tank and lid of this utility model;

[0022] Figure 2 This is a cross-sectional perspective view of the cover and high-pressure nozzle of this utility model.

[0023] Figure 3 This is a three-dimensional cross-sectional view of the tank and lifting bucket of this utility model;

[0024] Figure 4 This is a cross-sectional perspective view of the rotating plug and gear module of this utility model.

[0025] Figure 5 This is a cross-sectional exploded three-dimensional structural diagram of the threaded conveyor blade and the lifting bucket of this utility model;

[0026] Figure 6 This is a cross-sectional exploded three-dimensional structural diagram of the scraper frame and scraper strips of this utility model.

[0027] In the diagram: 1. Tank body; 2. Cover body; 3. Gravity flap; 4. Discharge gate; 5. Drive motor; 6. Threaded conveyor blade; 7. Lifting bucket; 8. Agitator rod; 9. Insert rod; 10. Scraper frame; 11. Scraper blade; 12. Insert groove; 13. Rotating insert block; 14. Spring; 15. Electromagnet; 16. Gear module; 17. Pump body; 18. High-pressure nozzle. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0029] Please see Figure 1-6 This utility model provides a technical solution: a concrete mixer with a high-pressure cleaning device, including a tank 1, a cover 2 inserted and installed on the outer surface of the tank 1, and the outer surface of the cover 2 is connected to the tank 1 by bolts. A drive motor 5 is fixedly installed at the end of the tank 1 away from the cover 2, and the output end of the drive motor 5 passes through the outer surface of the tank 1. The tank 1 and the drive motor 5 are concentrically designed. A lifting bucket 7 is fixedly installed inside the tank 1. A rotating mechanism is provided between the lifting bucket 7 and the drive motor 5. The rotating mechanism enables the concrete to be mixed evenly.

[0030] The lid 2 can be easily removed from the can 1 by inserting and bolting the can 1 and the lid 2, thus facilitating the maintenance and replacement of the parts on the lid 2 and the can 1.

[0031] The rotating mechanism includes a threaded conveying blade 6, which is fixedly installed at the output end of the drive motor 5. The drive motor 5 and the lifting tank 7 are concentrically designed. The outer surface of the lifting tank 7 and the side surface of the threaded conveying blade 6 are connected by rotational friction. A stirring rod 8 is fixedly installed on the outer surface of the threaded conveying blade 6, and cylinders with different angles are evenly arranged on the outer surface of the stirring rod 8.

[0032] Once all the concrete materials are poured into the tank 1, the drive motor 5 can be started. The rotation of the drive motor 5 drives the threaded conveyor blade 6 to rotate, allowing the concrete to be fed from the bottom of the tank 1 to the top of the tank 1 through the rotation of the lifting bucket 7 and the threaded conveyor blade 6. The mixing rod 8 rotates along with the concrete to mix it. The cylindrical parts with different angles on the outer surface of the mixing rod 8 make the concrete more evenly mixed, improving the mixing efficiency and quality of the concrete.

[0033] The interior of the tank body 1 is inclined, and a discharge gate 4 is fixedly installed on the outer surface of the end of the tank body 1 away from the cover body 2. The discharge gate 4 is located at the lowest point of the tank body 1. A feed inlet is provided on the side surface of one end of the cover body 2, and a gravity flap 3 is rotatably installed inside the feed inlet of the cover body 2.

[0034] The inclined design inside the tank 1 allows concrete to be discharged outward from the discharge gate 4 after the discharge gate 4 is opened. The gravity flap 3 allows the material to be fed into the tank 1 through the inlet, and the gravity flap 3 reduces the amount of concrete powder floating out during mixing.

[0035] An elastic magnetic attraction mechanism is provided between the cover 2 and the threaded conveying blade 6. The elastic magnetic attraction mechanism prevents concrete from adhering to the inner wall of the tank 1 during mixing and discharging, thus preventing the inner wall from becoming thicker.

[0036] When the mixture is ready for discharge or when the inside of the tank 1 needs to be cleaned, the power to the electromagnet 15 can be disconnected. The scraper 10 can then be pushed out by the spring 14, allowing the scraper 10 to slide into the insertion groove 12 through the inclined surface of the insertion rod 9. This allows the scraper 10 to engage with the insertion rod 9. The scraper 10 will then rotate with the mixing rod 8, allowing the scraper 11 to scrape and wash the inside of the tank 1 during discharge to reduce concrete waste and prevent concrete from adhering to the inner wall of the tank 1, which would thicken the wall and affect subsequent mixing.

[0037] The elastic magnetic attraction mechanism includes: a plug rod 9, which is fixedly installed at one end of the threaded conveying blade 6, and the threaded conveying blade 6 and the plug rod 9 are concentrically designed; a rotating plug block 13 is rotatably installed on the outer surface of the cover 2, and the rotating plug block 13 is plugged into one end of the plug rod 9; an electromagnet 15 is fixedly installed on the outer surface of the cover 2, and the electromagnet 15 and the rotating plug block 13 are concentrically designed; a plug groove 12 is opened on the outer surface of the plug rod 9, and the end of the plug rod 9 near the plug groove 12 is inclined; a scraper 10 is slidably installed on the outer surface of the plug rod 9, and the outer surface of the scraper 10 is engaged with the plug groove 12; a spring 14 is provided between the rotating plug block 13 and the scraper 10; and scraper strips 11 are plugged into the outer surfaces of both sides of the scraper 10.

[0038] When the scraper 10 is not needed, the electromagnet 15 can be energized. At this time, the electromagnet 15 will attract the scraper 10, so that the scraper 10 can be separated from the insertion slot 12, so that the scraper 10 will not rotate with it. At the same time, the scraper 11 will not rotate continuously and cause excessive wear, making it convenient to control the rotation and stop of the scraper 10.

[0039] A meshing suction mechanism is provided between the cover 2 and the rotating plug block 13. The meshing suction mechanism allows a water pipe to be inserted into the water to draw clean water to clean the tank 1 during cleaning.

[0040] By connecting the plug rod 9 to the rotating plug block 13, the threaded conveying blade 6, the stirring rod 8, and the scraper 10 can rotate more stably.

[0041] The engagement suction mechanism includes: a pump body 17, which is fixedly installed on the outer surface of the cover 2; a gear module 16 is fixedly installed on the shaft of the rotating plug block 13 and the input shaft of the pump body 17, and the diameter of the gear module 16 of the rotating plug block 13 is larger than the diameter of the gear module 16 of the pump body 17; a high-pressure nozzle 18 is fixedly installed on the outer surface of the cover 2, and the high-pressure nozzle 18 is connected to the pump body 17; and a hose is connected to one end of the pump body 17.

[0042] Furthermore, as the stirring rod 8 rotates, it drives the plug rod 9 to rotate, allowing the rotating plug block 13 to rotate along with it and rotate the gear module 16. The diameter difference between the gear modules 16 accelerates the rotation of the pump body 17, enabling the pump body 17 to draw more water and increase the pressure of the water sprayed from the high-pressure nozzle 18. This allows the water sprayed from the high-pressure nozzle 18 to wash away the concrete adhering to the inside of the tank 1. Combined with the rotation of the scraper 11, the inside of the tank 1 can be cleaned more thoroughly. At the same time, when the pump body 17 is not needed to draw water, the soft water pipe on one side of the pump body 17 can be pulled out of the water, thus preventing water from being pumped into the inside of the tank 1. This facilitates cleaning the inside of the tank 1 and ensures that the high-pressure nozzle 18 only sprays air, preventing the concrete from clogging the high-pressure nozzle 18 during mixing.

[0043] Although embodiments of the present invention 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 to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A concrete mixer with a high-pressure cleaning device, comprising a tank (1), wherein a cover (2) is inserted and installed on the outer surface of the tank (1), and the outer surface of the cover (2) is connected to the tank (1) by bolts, a drive motor (5) is fixedly installed at one end of the tank (1) away from the cover (2), and the output end of the drive motor (5) penetrates through the outer surface of the tank (1), and the tank (1) and the drive motor (5) are concentrically designed, characterized in that: The tank (1) is fixedly installed with a lifting bucket (7), and a rotating mechanism is provided between the lifting bucket (7) and the drive motor (5). The rotating mechanism enables the concrete to be mixed evenly.

2. A concrete mixer with a high-pressure cleaning device according to claim 1, characterized in that: The rotating mechanism includes a threaded conveying blade (6), which is fixedly installed at the output end of a drive motor (5). The drive motor (5) and the lifting bucket (7) are concentrically designed. The outer surface of the lifting bucket (7) and the side surface of the threaded conveying blade (6) are connected by rotational friction. A stirring rod (8) is fixedly installed on the outer surface of the threaded conveying blade (6), and cylinders with different angles are evenly arranged on the outer surface of the stirring rod (8).

3. A concrete mixer with a high-pressure cleaning device according to claim 1, characterized in that: The interior of the tank (1) is inclined, and a discharge gate (4) is fixedly installed on the outer surface of the end of the tank (1) away from the cover (2), and the discharge gate (4) is located at the lowest point of the tank (1). A feed inlet is provided on the side surface of one end of the cover (2), and a gravity flap (3) is rotatably installed inside the feed inlet of the cover (2).

4. A concrete mixer with a high-pressure cleaning device according to claim 1, characterized in that: An elastic magnetic attraction mechanism is provided between the cover (2) and the threaded conveying blade (6). The elastic magnetic attraction mechanism prevents concrete from adhering to the inner wall of the tank (1) during the mixing and discharging process, thus preventing the inner wall from becoming thicker.

5. A concrete mixer with a high-pressure cleaning device according to claim 4, characterized in that: The elastic magnetic attraction mechanism includes: a plug rod (9), which is fixedly installed at one end of the threaded conveying blade (6), and the threaded conveying blade (6) and the plug rod (9) are concentrically designed; a rotating plug block (13) is rotatably installed on the outer surface of the cover (2), and the rotating plug block (13) is plugged into one end of the plug rod (9); an electromagnet (15) is fixedly installed on the outer surface of the cover (2), and the electromagnet (15) is connected to the rotating plug block (13). For concentric design, the outer surface of the plug rod (9) is provided with a plug groove (12). The end of the plug rod (9) near the plug groove (12) is inclined. A scraper (10) is slidably installed on the outer surface of the plug rod (9), and the outer surface of the scraper (10) is engaged with the plug groove (12). A spring (14) is provided between the rotating plug block (13) and the scraper (10), and scraper strips (11) are inserted into the outer surfaces on both sides of the scraper (10).

6. A concrete mixer with a high-pressure cleaning device according to claim 1, characterized in that: A meshing suction mechanism is provided between the cover (2) and the rotating plug (13). The meshing suction mechanism allows the water pipe to be inserted into the water to draw clean water to clean the tank (1) during cleaning.

7. A concrete mixer with a high-pressure cleaning device according to claim 6, characterized in that: The meshing suction mechanism includes: a pump body (17), which is fixedly installed on the outer surface of the cover (2). A gear module (16) is fixedly installed on the shaft of the rotating plug (13) and the input shaft of the pump body (17). The diameter of the gear module (16) of the rotating plug (13) is larger than the diameter of the gear module (16) of the pump body (17). A high-pressure nozzle (18) is fixedly installed on the outer surface of the cover (2). The high-pressure nozzle (18) is connected to the pump body (17). One end of the pump body (17) is connected to a hose.