Mixing device for building construction

By designing a mixing device including screening plates, rolling rollers, mixing rods and spray heads, the problems of uneven concrete mixing and unstable quality in the existing mixing device are solved, and a more efficient and stable concrete mixing process is achieved.

CN222681298UActive Publication Date: 2025-03-28SICHUAN WANGCAI CONSTRUCTION ENGINEERING CO LTD
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Patent Information

Application Number
CN202421301941.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-07
Publication Date
2025-03-28
Estimated Expiration
2034-06-07

AI Technical Summary

Technical Problem

The existing mixing devices are prone to problems of uneven mixing and unstable quality during the concrete mixing process.

Method used

A mixing device including a cabinet body, a support frame, a feed hopper, a motor, a water pipe, a mixing rod, a nozzle, a screening cylinder, a rolling roller and other components is designed. The screening plate is driven to vibrate up and down through the eccentric wheel, and the rolling roller rolls the concrete that does not meet the requirements, and mixes and stirs with the mixing rod and impeller, and finally stirs with water through the spray head.

Benefits of technology

The uniform mixing and stable quality of concrete are achieved, the mixing efficiency and quality are improved, and the problems of uneven mixing and unstable quality are solved.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222681298U_ABST
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Abstract

The utility model relates to the technical field of building engineering construction, and discloses a material mixing device for building construction, which comprises a cabinet body, a feed hopper, two rotating rods, a plurality of stirring rods, a plurality of impellers, a discharge pipe, two scraping rods, an electrically operated gate and two first motors. The cabinet body is arranged on the four supporting frames, the feeding hopper is arranged on the top of the cabinet body, the two first motors are arranged on the side portion of the cabinet body, the two rotating rods are fixedly connected with rotating shafts of the two first motors respectively, the multiple stirring rods are fixedly connected with the two rotating rods respectively, and the multiple impellers are fixedly connected with the multiple stirring rods respectively. The two scraping rods are fixedly connected with the two rotating rods correspondingly, the discharging pipe is arranged at the bottom of the cabinet body, and the electric door is arranged in the discharging pipe. The device is scientific and reasonable in structural design and complete in function, dust removal, purification and sterilization treatment can be effectively achieved, and the air quality and the working environment in a workshop are improved.
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Description

Technical Field

[0001] The utility model relates to the field of construction production, in particular to a material mixing device for construction. Background Art

[0002] Building construction refers to production activities during the implementation phase of engineering construction. It is the construction process of various buildings. It can also be said to be the process of turning various lines on the design drawings into physical objects at designated locations. It includes foundation engineering construction, main structure construction, roofing engineering construction, decoration engineering construction, etc. The place of construction is called "construction site" or "construction site", also called construction site. Mixing devices are often needed on construction sites to mix various materials so that the concrete can achieve the ideal effect.

[0003] During the preparation process of concrete, a mixing device must first be used to mix the concrete evenly. However, existing mixing devices for concrete are prone to uneven concrete mixing and unstable quality.

[0004] In order to solve the above problems, the utility model provides a mixing device for building construction. Utility Model Content

[0005] The utility model provides a mixing device for building construction, which solves the problems of uneven concrete mixing and unstable quality.

[0006] The technical solution of the utility model is as follows:

[0007] A mixing device for construction includes: a cabinet, four support frames, a feed hopper, two first motors, a plurality of water pipes, two rotating rods, a plurality of stirring rods, a plurality of impellers, a plurality of nozzles, a screening cylinder, an elastic screening plate, two rolling rollers, two rotating shafts, a driving motor, an eccentric wheel, a discharging pipe, two scraping rods, a discharging port, an electric door, a controller, and two second motors.

[0008] Four support frames are arranged on the ground.

[0009] The cabinet body is arranged above the four support frames, and the cabinet body is fixedly connected to the four support frames.

[0010] The discharge pipe is vertically arranged at the bottom of the cabinet, the discharge pipe is located at the center of the bottom of the cabinet, the discharge pipe runs through the cabinet, the upper end of the discharge pipe is connected to the inside of the cabinet, the lower end of the discharge pipe is connected to the outside air, and the discharge pipe is fixedly connected to the cabinet.

[0011] The electric door is arranged horizontally, the electric door is parallel to the rotating rod, the electric door is arranged inside the discharge pipe, and the side of the electric door is fixedly connected with the inner wall of the discharge pipe.

[0012] The rotating shaft axes of the two first motors are arranged horizontally, the rotating shaft axes of the two first motors are respectively perpendicular to the side of the cabinet, the rotating shafts of the two first motors respectively penetrate the side of the cabinet, and the two first motors are respectively fixedly connected to the cabinet.

[0013] The two rotating rods are horizontally arranged inside the cabinet, the two rotating rods are respectively perpendicular to the side surfaces of the cabinet where the first motor is located, and the two rotating rods are respectively fixedly connected to the rotating shafts of the two first motors.

[0014] A plurality of stirring rods are arranged inside the cabinet, the plurality of stirring rods are respectively perpendicular to the two rotating rods, the plurality of stirring rods are respectively located on the sides of the rotating rods, and one end of the plurality of stirring rods is respectively fixedly connected to the two rotating rods.

[0015] A plurality of impellers are arranged inside the cabinet, and the plurality of impellers are respectively fixedly connected to the other ends of the plurality of stirring rods.

[0016] Two scraping rods are arranged inside the cabinet, the two scraping rods are closely attached to the inner wall of the cabinet respectively, and the two scraping rods are fixedly connected to the two rotating rods respectively.

[0017] A plurality of water pipes are arranged on the side of the cabinet body, and the plurality of water pipes respectively penetrate the side of the cabinet body, one end of the plurality of water pipes is communicated with the interior of the cabinet body, and the other end of the plurality of water pipes is communicated with the outside air.

[0018] A plurality of nozzles are arranged inside the cabinet, one ends of the plurality of nozzles are respectively connected with the water pipes, the other ends of the plurality of nozzles are respectively connected with the inside of the cabinet, and the plurality of nozzles are fixedly connected with the inner wall of the cabinet.

[0019] The feed hopper is arranged on the top of the cabinet, the feed hopper runs through the top of the cabinet, the upper end of the feed hopper is connected with the outside air, the lower end of the feed hopper is connected with the inside of the cabinet, and the feed hopper is fixedly connected with the cabinet.

[0020] The screening cylinder is arranged inside the cabinet, the screening cylinder is located below the feed hopper, and the screening cylinder is fixedly connected to the inner wall of the cabinet.

[0021] The discharge port is arranged on the side of the screening cylinder, one end of the discharge port is communicated with the interior of the cabinet, and the other end of the discharge port is communicated with the interior of the screening cylinder.

[0022] The elastic screening plate is obliquely arranged inside the screening cylinder, and the side of the elastic screening plate is fixedly connected to the inner wall of the screening cylinder.

[0023] The axis of the drive motor's shaft is horizontally arranged, the axis of the drive motor's shaft is parallel to the discharge port, the drive motor's shaft passes through the cabinet and the screening drum, the drive motor is arranged on the cabinet side, and the drive motor is fixedly connected to the cabinet side.

[0024] The eccentric wheel is arranged inside the screening cylinder, the eccentric wheel is located below the elastic screening plate, and the eccentric wheel is fixedly connected to the rotating shaft of the driving motor.

[0025] The rotating shaft axes of the two second motors are arranged horizontally, and the rotating shaft axes of the two second motors are respectively parallel to the discharge port. The rotating shafts of the two second motors rotate in opposite directions. The rotating shafts of the two second motors respectively pass through the side of the cabinet, and the two second motors are respectively arranged on the side of the cabinet, and the two second motors are respectively fixedly connected to the cabinet.

[0026] The two rotating shafts are horizontally arranged inside the cabinet, the two rotating shafts are parallel to the discharge port, the two rotating shafts are located on the sides of the screening cylinder, and the two rotating shafts are fixedly connected to the rotating shafts of the two second motors.

[0027] The two rolling rollers are horizontally arranged inside the cabinet, the two rolling rollers are respectively parallel to the two rotating shafts, the two rolling rollers are respectively sleeved outside the two rotating shafts, and the two rolling rollers are respectively fixedly connected to the two rotating shafts.

[0028] The controller is electrically connected to the two driving motors, the two first motors, the two second motors and the electric door.

[0029] The staff starts two drive motors, two first motors and two second motors through the controller. The staff puts the concrete into the screening plate inside the screening cylinder through the feed hopper. The drive motor drives the eccentric wheel to push the elastic screening plate up and down to vibrate, and the concrete that does not meet the requirements is sent between the two rolling rollers. The two second motor shafts drive the two rotating shafts to rotate relative to each other, and the two rotating shafts drive the two rolling rollers to rotate, and then drive the rolling rollers to roll the concrete that does not meet the requirements. The treated concrete falls to the bottom of the cabinet, and the two first motor shafts drive the two rotating rods to rotate, and the two rotating rods drive several stirring rods to rotate, and the several stirring rods drive the impellers to rotate, and the several stirring rods and several impellers mix and stir the treated concrete. After mixing for a period of time, the staff puts the external water source into the cabinet through the water pipe and the nozzle in turn, and adds water to the treated concrete inside the cabinet to mix and stir. When the mixing work is completed, the staff opens the electric door through the controller, so that the mixed concrete inside the cabinet is transported to the next process through the discharge pipe. When the mixed concrete inside the cabinet is emptied, the staff will use the external water source to reach the inside of the cabinet through the water pipe and the nozzle in turn to clean the cabinet. Finally, the staff will turn off the first motor, the two second motors, the drive motor and the electric door through the controller.

[0030] Preferably, the cabinet body and the four support frames are connected by welding.

[0031] Welded connections can provide very strong connections, making the equipment structure more stable and able to withstand vibrations and loads during operation.

[0032] Preferably, the screening plate is connected to the cabinet by bolt connection.

[0033] The elastic screening plate can be easily installed and removed through bolt connection, reducing the time cost of maintenance and replacement.

[0034] Preferably, the surfaces of the cabinet and the screening drum are coated with an anti-rust coating.

[0035] The anti-rust coating can effectively prevent the cabinet surface from rusting due to oxidation and extend its service life. Especially in humid or corrosive environments, the anti-rust coating can effectively protect the metal surface of the cabinet and the screening cylinder, reducing corrosion and damage.

[0036] Preferably, an anti-stick coating is coated on the anti-rust coating of the cabinet and the screening drum.

[0037] The anti-stick coating can reduce the adhesion of concrete to the cabinet and the screening drum, thereby improving production efficiency.

[0038] Preferably, the rotation directions of the two first motor shafts are opposite.

[0039] Ensure that the stirring rods in the mixing device can mix and stir in different directions, so as to mix the materials more evenly and improve the mixing efficiency and quality.

[0040] The beneficial effects of the utility model are:

[0041] 1. The opposite rotation directions of the two first motor shafts ensure the uniformity of the mixing process, improve the mixing efficiency and quality, and solve the problems of uneven mixing and unstable quality.

[0042] 2. The welding connection method improves the stability of the equipment structure and can withstand the vibration and load during the working process, thereby solving the instability and safety hazards caused by vibration and load during the operation of the equipment.

[0043] 3. The bolt connection method improves the convenience of installing and disassembling the elastic screening plate, reduces the time cost of maintenance and replacement, and solves the problem of cumbersome and time-consuming maintenance work.

[0044] 4. The anti-rust coating extends the service life of the equipment, improves the corrosion resistance of the equipment, and solves the problem that the equipment is prone to rust and damage in a humid or corrosive environment.

[0045] 5. The anti-stick coating reduces the adhesion of concrete on the equipment surface, improves production efficiency, reduces the number of cleaning and maintenance, and solves the problem of concrete adhesion and difficulty in cleaning. BRIEF DESCRIPTION OF THE DRAWINGS

[0046] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0047] Figure 1This is a front view structural diagram of a mixing device for building construction according to the utility model;

[0048] Figure 2 This is a schematic diagram of the front cross-sectional structure of a mixing device for construction of the utility model;

[0049] Figure 3 It is a schematic diagram of the side cross-sectional structure of a mixing device for construction of the utility model;

[0050] In the figure: 1. cabinet; 2. support frame; 3. feed hopper; 4. first motor; 5. water pipe; 6. rotating rod; 7. stirring rod; 8. impeller; 9. nozzle; 10. screening cylinder; 11. elastic screening plate; 12. rolling roller; 13. rotating shaft; 14. driving motor; 15. eccentric wheel; 16. discharge pipe; 17. scraper rod; 18. electric door; 19. discharge port. DETAILED DESCRIPTION

[0051] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0052] See also Figure 1-Figure 3 The utility model provides a mixing device for construction, a mixing device for construction, comprising: a cabinet 1, four support frames 2, a feed hopper 3, two first motors 4, a plurality of water pipes 5, two rotating rods 6, a plurality of stirring rods 7, a plurality of impellers 8, a plurality of nozzles 9, a screening cylinder 10, an elastic screening plate 11, two rolling rollers 12, two rotating shafts 13, a driving motor 14, an eccentric wheel 15, a discharging pipe 16, two scraping rods 17, a discharging port 19, an electric door 18, a controller, and two second motors.

[0053] Four support frames 2 are arranged on the ground.

[0054] The cabinet body 1 is arranged above the four support frames 2 , and the cabinet body 1 is fixedly connected to the four support frames 2 .

[0055] The discharge pipe 16 is vertically arranged at the bottom of the cabinet 1, and is located at the bottom center of the cabinet 1. The discharge pipe 16 runs through the cabinet 1, the upper end of the discharge pipe 16 is connected to the inside of the cabinet 1, and the lower end of the discharge pipe 16 is connected to the outside air. The discharge pipe 16 is fixedly connected to the cabinet 1.

[0056] The electric door 18 is horizontally arranged, parallel to the rotating rod 6 , and disposed inside the discharge pipe 16 . The side of the electric door 18 is fixedly connected to the inner wall of the discharge pipe 16 .

[0057] The shaft axes of the two first motors 4 are arranged horizontally, and the shaft axes of the two first motors 4 are respectively perpendicular to the side of the cabinet 1 . The shafts of the two first motors 4 respectively pass through the side of the cabinet 1 , and the two first motors 4 are respectively fixedly connected to the cabinet 1 .

[0058] The two rotating rods 6 are horizontally arranged inside the cabinet 1 , and the two rotating rods 6 are respectively perpendicular to the side surfaces of the cabinet 1 where the first motor 4 is located. The two rotating rods 6 are respectively fixedly connected to the rotating shafts of the two first motors 4 .

[0059] A plurality of stirring rods 7 are arranged inside the cabinet 1 , the plurality of stirring rods 7 are respectively perpendicular to the two rotating rods 6 , the plurality of stirring rods 7 are respectively located on the sides of the rotating rods 6 , and one end of the plurality of stirring rods 7 is respectively fixedly connected to the two rotating rods 6 .

[0060] A plurality of impellers 8 are disposed inside the cabinet 1 , and the plurality of impellers 8 are fixedly connected to the other ends of the plurality of stirring rods 7 , respectively.

[0061] Two scraping rods 17 are arranged inside the cabinet 1 . The two scraping rods 17 are respectively in close contact with the inner wall of the cabinet 1 . The two scraping rods 17 are respectively fixedly connected to the two rotating rods 6 .

[0062] A plurality of water pipes 5 are arranged on the side of the cabinet 1 , and the plurality of water pipes 5 respectively penetrate the side of the cabinet 1 , one end of the plurality of water pipes 5 is connected with the interior of the cabinet 1 , and the other end of the plurality of water pipes 5 is connected with the outside air.

[0063] A plurality of nozzles 9 are arranged inside the cabinet 1 , one ends of the plurality of nozzles 9 are respectively connected to the water pipe 5 , the other ends of the plurality of nozzles 9 are respectively connected to the inside of the cabinet 1 , and the plurality of nozzles 9 are fixedly connected to the inner wall of the cabinet 1 .

[0064] The feed hopper 3 is arranged on the top of the cabinet 1 , and the feed hopper 3 passes through the top of the cabinet 1 . The upper end of the feed hopper 3 is connected to the outside air, and the lower end of the feed hopper 3 is connected to the inside of the cabinet 1 . The feed hopper 3 is fixedly connected to the cabinet 1 .

[0065] The screening drum 10 is arranged inside the cabinet 1 , and the screening drum 10 is located below the feed hopper 3 . The screening drum 10 is fixedly connected to the inner wall of the cabinet 1 .

[0066] The discharge port 19 is disposed on the side of the screening drum 10 , one end of the discharge port 19 is communicated with the interior of the cabinet 1 , and the other end of the discharge port 19 is communicated with the interior of the screening drum 10 .

[0067] The elastic screening plate 11 is obliquely arranged inside the screening cylinder 10 , and the side of the elastic screening plate 11 is fixedly connected to the inner wall of the screening cylinder 10 .

[0068] The axis of the rotating shaft of the driving motor 14 is arranged horizontally, and the axis of the rotating shaft of the driving motor 14 is parallel to the discharge port 19 . The rotating shaft of the driving motor 14 passes through the cabinet 1 and the screening drum 10 . The driving motor 14 is arranged on the side of the cabinet 1 , and the driving motor 14 is fixedly connected to the side of the cabinet 1 .

[0069] The eccentric wheel 15 is arranged inside the screening drum 10 . The eccentric wheel 15 is located below the elastic screening plate 11 . The eccentric wheel 15 is fixedly connected to the rotating shaft of the driving motor 14 .

[0070] The rotating shaft axes of the two second motors are arranged horizontally, and the rotating shaft axes of the two second motors are respectively parallel to the discharge port 19. The rotating shafts of the two second motors rotate in opposite directions. The rotating shafts of the two second motors respectively pass through the side of the cabinet 1, and the two second motors are respectively arranged on the side of the cabinet 1, and the two second motors are respectively fixedly connected to the cabinet 1.

[0071] The two rotating shafts 13 are horizontally arranged inside the cabinet 1 , the two rotating shafts 13 are parallel to the discharge port 19 , the two rotating shafts 13 are located on the sides of the screening drum 10 , and the two rotating shafts 13 are fixedly connected to the rotating shafts of the two second motors.

[0072] The two rolling rollers 12 are horizontally arranged inside the cabinet 1 , the two rolling rollers 12 are parallel to the two rotating shafts 13 , the two rolling rollers 12 are respectively sleeved outside the two rotating shafts 13 , and the two rolling rollers 12 are respectively fixedly connected to the two rotating shafts 13 .

[0073] The controller is electrically connected to the two driving motors 14 , the two first motors 4 , the two second motors and the electric door 18 .

[0074] The staff starts two drive motors 14, two first motors 4 and two second motors through the controller. The staff puts the concrete into the screening plate inside the screening cylinder 10 through the feed hopper 3. The drive motor 14 drives the eccentric wheel 15 to push the elastic screening plate 11 to vibrate up and down, and the concrete that does not meet the requirements is sent between the two rolling rollers 12. The two second motor shafts drive the two rotating shafts 13 to rotate relative to each other, and the two rotating shafts 13 drive the two rolling rollers 12 to rotate, and then drive the rolling rollers 12 to roll the concrete that does not meet the requirements. The processed concrete falls to the bottom of the cabinet 1, and the two first motor 4 shafts drive the two rotating rods 6 to rotate, and the two rotating rods 6 drive the plurality of stirring rods 7 to rotate, and the plurality of stirring rods 7 drive the impellers 8 to rotate, and the plurality of stirring rods 7 and the plurality of impellers 8 mix and stir the processed concrete. After mixing for a period of time, the staff sequentially transfers the external water source to the inside of the cabinet 1 through the water pipe 5 and the nozzle 9, and adds water to the processed concrete inside the cabinet 1 to stir and mix. When the mixing work is completed, the staff opens the electric door 18 through the controller, so that the mixed concrete in the cabinet 1 is transported to the next process through the discharge pipe 16. When the mixed concrete in the cabinet 1 is emptied, the staff sends external water to the cabinet 1 through the water pipe 5 and the nozzle 9 in sequence to clean the cabinet 1. Finally, the staff closes the first motor 4, the two second motors, the drive motor 14 and the electric door 18 through the controller.

[0075] The cabinet 1 and the four support frames 2 are connected by welding.

[0076] Welded connections can provide very strong connections, making the equipment structure more stable and able to withstand vibrations and loads during operation.

[0077] The screening plate is connected to the cabinet body 1 by bolt connection.

[0078] The elastic screening plate 11 can be conveniently installed and removed by bolt connection, thus reducing the time cost of maintenance and replacement.

[0079] The surfaces of the cabinet 1 and the screening drum 10 are coated with an anti-rust coating.

[0080] The anti-rust coating can effectively prevent the cabinet 1 surface from rusting due to oxidation, thereby extending its service life. In particular, in a humid or corrosive environment, the anti-rust coating can effectively protect the metal surface of the cabinet 1 and the screening drum 10, reducing corrosion and damage.

[0081] The anti-rust coatings of the cabinet 1 and the screening drum 10 are coated with an anti-stick coating.

[0082] The anti-stick coating is provided to reduce the adhesion of concrete to the cabinet 1 and the screening drum 10, thereby improving production efficiency.

[0083] The rotation directions of the rotation shafts of the two first motors 4 are opposite.

[0084] It is ensured that the stirring rod 7 in the mixing device can mix and stir in different directions, so as to mix the materials more evenly and improve the mixing efficiency and quality.

[0085] Working principle: The staff starts two drive motors 14, two first motors 4 and two second motors through the controller. The staff puts the concrete into the screening plate inside the screening cylinder 10 through the feed hopper 3. The drive motor 14 drives the eccentric wheel 15 to push the elastic screening plate 11 to vibrate up and down, and the concrete that does not meet the requirements is sent between the two rolling rollers 12. The two second motor shafts drive the two rotating shafts 13 to rotate relative to each other, and the two rotating shafts 13 drive the two rolling rollers 12 to rotate, and then drive the rolling rollers 12 to roll the concrete that does not meet the requirements. The processed concrete falls to the bottom of the cabinet 1, and the two first motor 4 shafts drive the two rotating rods 6 to rotate, and the two rotating rods 6 drive the several stirring rods 7 to rotate, and the several stirring rods 7 drive the impellers 8 to rotate, and the several stirring rods 7 and the several impellers 8 mix and stir the processed concrete. After mixing for a period of time, the staff sends the external water source to the inside of the cabinet 1 through the water pipe 5 and the nozzle 9 in turn, and adds water to the processed concrete inside the cabinet 1 to stir and mix. When the mixing work is completed, the staff opens the electric door 18 through the controller, so that the mixed concrete in the cabinet 1 is transported to the next process through the discharge pipe 16. When the mixed concrete in the cabinet 1 is emptied, the staff sends external water to the cabinet 1 through the water pipe 5 and the nozzle 9 in sequence to clean the cabinet 1. Finally, the staff closes the first motor 4, the two second motors, the drive motor 14 and the electric door 18 through the controller.

[0086] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A mixing device for construction, characterized in that: include: A cabinet (1), four support frames (2), a feed hopper (3), two first motors (4), a plurality of water pipes (5), two rotating rods (6), a plurality of stirring rods (7), a plurality of impellers (8), a plurality of nozzles (9), a screening cylinder (10), an elastic screening plate (11), two rolling rollers (12), two rotating shafts (13), a driving motor (14), an eccentric wheel (15), a discharging pipe (16), two scraping rods (17), a discharging port (19), an electric door (18), a controller, and two second motors; The four support frames (2) are arranged on the ground; The cabinet (1) is arranged above the four support frames (2), and the cabinet (1) is fixedly connected to the four support frames (2); The discharge pipe (16) is vertically arranged at the bottom of the cabinet (1), the discharge pipe (16) is located at the center of the bottom of the cabinet (1), the discharge pipe (16) passes through the cabinet (1), the upper end of the discharge pipe (16) is connected to the inside of the cabinet (1), the lower end of the discharge pipe (16) is connected to the outside air, and the discharge pipe (16) is fixedly connected to the cabinet (1); The electric door (18) is arranged horizontally, the electric door (18) is parallel to the rotating rod (6), the electric door (18) is arranged inside the discharge pipe (16), and the side of the electric door (18) is fixedly connected to the inner wall of the discharge pipe (16); The axes of the rotating shafts of the two first motors (4) are arranged horizontally, the axes of the rotating shafts of the two first motors (4) are respectively perpendicular to the side of the cabinet (1), the rotating shafts of the two first motors (4) respectively penetrate the side of the cabinet (1), and the two first motors (4) are respectively fixedly connected to the cabinet (1); The two rotating rods (6) are horizontally arranged inside the cabinet (1), the two rotating rods (6) are respectively perpendicular to the side of the cabinet (1) where the first motor (4) is located, and the two rotating rods (6) are respectively fixedly connected to the rotating shafts of the two first motors (4); A plurality of stirring rods (7) are arranged inside the cabinet (1), the plurality of stirring rods (7) are respectively perpendicular to the two rotating rods (6), the plurality of stirring rods (7) are respectively located on the sides of the rotating rods (6), and one end of the plurality of stirring rods (7) is respectively fixedly connected to the two rotating rods (6); The plurality of impellers (8) are arranged inside the cabinet (1), and the plurality of impellers (8) are respectively fixedly connected to the other ends of the plurality of stirring rods (7); The two scraping rods (17) are arranged inside the cabinet (1), the two scraping rods (17) are respectively in close contact with the inner wall of the cabinet (1), and the two scraping rods (17) are respectively fixedly connected to the two rotating rods (6); The plurality of water pipes (5) are arranged on the side of the cabinet (1), the plurality of water pipes (5) respectively penetrate the side of the cabinet (1), one end of the plurality of water pipes (5) is connected to the interior of the cabinet (1), and the other end of the plurality of water pipes (5) is connected to the outside air; A plurality of the nozzles (9) are arranged inside the cabinet (1), one end of the plurality of the nozzles (9) is respectively connected to the water pipe (5), the other end of the plurality of the nozzles (9) is respectively connected to the inside of the cabinet (1), and the plurality of the nozzles (9) are fixedly connected to the inner wall of the cabinet (1); The feed hopper (3) is arranged on the top of the cabinet (1), the feed hopper (3) passes through the top of the cabinet (1), the upper end of the feed hopper (3) is connected to the outside air, the lower end of the feed hopper (3) is connected to the inside of the cabinet (1), and the feed hopper (3) is fixedly connected to the cabinet (1); The screening cylinder (10) is arranged inside the cabinet (1), the screening cylinder (10) is located below the feed hopper (3), and the screening cylinder (10) is fixedly connected to the inner wall of the cabinet (1); The discharge port (19) is arranged on the side of the screening cylinder (10), one end of the discharge port (19) is communicated with the interior of the cabinet (1), and the other end of the discharge port (19) is communicated with the interior of the screening cylinder (10); The elastic screening plate (11) is obliquely arranged inside the screening cylinder (10), and the side of the elastic screening plate (11) is fixedly connected to the inner wall of the screening cylinder (10); The axis of the rotating shaft of the driving motor (14) is arranged horizontally, the axis of the rotating shaft of the driving motor (14) is parallel to the discharge port (19), the rotating shaft of the driving motor (14) passes through the cabinet (1) and the screening cylinder (10), the driving motor (14) is arranged on the side of the cabinet (1), and the driving motor (14) is fixedly connected to the side of the cabinet (1); The eccentric wheel (15) is arranged inside the screening cylinder (10), the eccentric wheel (15) is located below the elastic screening plate (11), and the eccentric wheel (15) is fixedly connected to the rotating shaft of the driving motor (14); The axes of the rotating shafts of the two second motors are arranged horizontally, the axes of the rotating shafts of the two second motors are respectively parallel to the discharge port (19), the rotating shafts of the two second motors rotate in opposite directions, the rotating shafts of the two second motors respectively pass through the side of the cabinet (1), the two second motors are respectively arranged on the side of the cabinet (1), and the two second motors are respectively fixedly connected to the cabinet (1); The two rotating shafts (13) are horizontally arranged inside the cabinet (1), the two rotating shafts (13) are parallel to the discharge port (19), the two rotating shafts (13) are located on the side of the screening drum (10), and the two rotating shafts (13) are fixedly connected to the rotating shafts of the two second motors; The two rolling rollers (12) are horizontally arranged inside the cabinet (1), the two rolling rollers (12) are respectively parallel to the two rotating shafts (13), the two rolling rollers (12) are respectively sleeved outside the two rotating shafts (13), and the two rolling rollers (12) are respectively fixedly connected to the two rotating shafts (13); The controller is electrically connected to the two drive motors (14), the two first motors (4), the two second motors and the electric door (18).

2. A mixing device for construction according to claim 1, characterized in that: The cabinet (1) and the four support frames (2) are connected by welding.

3. A mixing device for construction according to claim 1, characterized in that: The screening plate is connected to the cabinet (1) by bolt connection.

4. A material mixing device for construction according to claim 1, characterized in that: The surfaces of the cabinet (1) and the screening cylinder (10) are coated with an anti-rust coating.

5. A material mixing device for construction according to claim 4, characterized in that: An anti-stick coating is applied on the anti-rust coating of the cabinet (1) and the screening cylinder (10).

6. A material mixing device for construction according to claim 1, characterized in that: The rotation directions of the rotating shafts of the two first motors (4) are opposite.