Modified asphalt mixing and stirring device for building construction

By adopting an upper and lower dual-paddle structure and pre-mixing technology in the mixing tank in the asphalt mixing plant, the problem of insufficient mixing caused by aggregate deposition is solved, achieving a more efficient mixing effect and improved mixing paddle durability.

CN223593165UActive Publication Date: 2025-11-25益阳市唯齐材料科技有限公司
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Patent Information

Application Number
CN202423169944.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-21
Publication Date
2025-11-25
Estimated Expiration
2034-12-21

AI Technical Summary

Technical Problem

In existing asphalt mixing plants, aggregates, being relatively heavier than asphalt, tend to accumulate at the bottom of the mixing tank, resulting in insufficient mixing, prolonged mixing time, and potential damage to the mixing blades, thus affecting their service life. Additionally, some aggregates and asphalt may not be fully mixed.

Method used

The system adopts a dual-paddle structure, including an upper paddle and a convex paddle, which are driven to rotate by upper and lower motors to achieve thorough mixing of aggregates. A mixing tank is set up before mixing for premixing, and a vibrating motor and spray head are used for premixing to improve the mixing effect.

Benefits of technology

This process achieves thorough mixing of aggregates and asphalt, improves mixing efficiency, reduces mixing time, extends the service life of the mixing paddle, and enhances mixing quality and work efficiency.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223593165U_ABST
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Abstract

The utility model relates to the field of asphalt equipment, in particular to a building construction modified asphalt mixing and stirring device which comprises a stirring tank, a mixing box, a conveying frame, supporting legs, a discharging barrel, a cleaning pipe and a water pump, the stirring tank further comprises a tank body, an upper stirring part composed of an upper stirring motor and an upper stirring paddle, and a lower stirring part composed of a lower stirring motor and a convex stirring paddle, the stirring tank is arranged on the supporting legs, and the upper stirring paddle is arranged in the tank body. According to the asphalt mixing and stirring device, a single stirring paddle in the asphalt mixing and stirring device is designed and improved into an upper and lower double stirring paddle structure, the convex stirring paddle is arranged below the stirring tank, the convex part on the convex stirring paddle continuously pushes aggregate to the upper part of the paddle along the paddle in the self-rotating process, and meanwhile, the upper stirring motor drives the upper stirring paddle to move, so that the aggregate is uniformly stirred. According to the utility model, the convex stirring paddles are arranged, aggregate pushed by the convex stirring paddles is fully mixed with surrounding asphalt, and meanwhile, each stirring paddle can rotate in different directions and at different speeds so as to realize a better mixing effect.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the asphalt processing equipment field, concretely to a building construction modified asphalt mixed stirring device. BACKGROUND

[0002] The asphalt mixer is a complete equipment for batch production of asphalt concrete, can produce asphalt mixture, modified asphalt mixture, color asphalt mixture, and is necessary equipment for building expressway, grade highway, municipal road, airport and port.

[0003] The asphalt mixing device disclosed in CN218393324U includes a stirring tank, a motor is installed at the bottom of the stirring tank, the output shaft of the motor is upwardly rotatable and penetrates the stirring tank and is provided with spiral blades extending into the stirring tank; a plurality of stirring paddles are rotationally connected in the stirring tank and are coaxially arranged with the spiral blades, the lower ends of all the stirring paddles extend out of the stirring tank, at least one end of at least one stirring paddle extending out of the stirring tank is sleeved with a gear, and at least one end of the remaining stirring paddles extending out of the stirring tank is sleeved with a belt wheel; a gear and a belt wheel are also sleeved on the output shaft of the motor, the gear on the output shaft of the motor is engaged with the gears on all the stirring paddles, and the belt wheel on the output shaft of the motor and the belt wheels on the stirring paddles are sleeved with the same belt.

[0004] In the process of stirring asphalt and aggregate, the aggregate will be deposited at the bottom of the stirring tank due to its relatively heavy characteristic compared with asphalt, the mixing effect of the aggregate deposited at the bottom and the asphalt is not sufficient, a long mixing time is required to ensure the sufficient mixing of the asphalt and the aggregate, the product layering phenomenon is prone to occur, the aggregate deposited at the bottom of the stirring tank due to its relatively heavy characteristic compared with asphalt will cause certain damage to the bottom of the stirring paddle and affect the service life of the stirring paddle, and the aggregate and the asphalt are not fully mixed in some cases, and the pre-mixing link is lacked, therefore, the building construction modified asphalt mixed stirring device is provided. UTILITY MODEL CONTENTS

[0005] To solve the above problems, the building construction modified asphalt mixed stirring device is provided, and the problem of insufficient mixing effect of the aggregate deposited at the bottom and the asphalt is solved.

[0006] To achieve the above purposes, the utility model adopts the technical scheme that:

[0007] The utility model provides a kind of construction modified asphalt mixing stirring device, including stirring tank, mixing box, material conveying frame, support, discharge cylinder, cleaning pipe and water pump, stirring tank further includes tank body, upper stirring motor and the upper stirring paddle of the upper stirring part consisting of, lower stirring motor, the lower stirring part of convex stirring paddle, stirring tank is arranged on support, upper stirring paddle is arranged in tank body, convex stirring paddle is arranged in tank body, upper stirring motor is fixedly arranged in the outer bottom of tank body, lower stirring motor is fixedly arranged in the outer top of tank body, the motor shaft of upper stirring motor, lower stirring motor is respectively fixedly connected with upper stirring paddle, convex stirring paddle with the outer wall of tank body and passes through respectively, the paddle of convex stirring paddle is by two pieces of mutually symmetrical paddle converges and forms the convex portion that is upwardly convex in middle part, the lower part of tank body is fixedly connected with support, material conveying frame is arranged on tank body, discharge cylinder is arranged on one side of tank body, stirring tank and mixing box are connected by material conveying frame, cleaning pipe is arranged on one side of stirring tank, water tank is arranged on one side of stirring tank, water pump is arranged in the inside of water tank, cleaning pipe is connected with water tank.

[0008] Preferably, the material conveying frame includes a feed hopper and a support seat, the feed hopper is in communication with the tank body and is arranged on the tank body, and the support seat is fixedly arranged on the tank body and is distributed around the periphery of the feed hopper.

[0009] Preferably, the cleaning pipe includes a rubber water pipe and a straight-through valve, one end of the rubber water pipe is in communication with the tank body and is arranged on one side of the tank body, and the straight-through valve is arranged at the middle position of the rubber water pipe.

[0010] Preferably, the mixing box includes a box body, a vibration motor and a feed inlet, the box body is fixedly arranged on the support seat, the vibration motor is fixedly arranged on one side of the box body, the inner wall of the box body is penetrated by the feed hopper and is in communication with the feed hopper, and the feed inlet is arranged on the box body.

[0011] Preferably, the support includes a plurality of fixed frames and a leather pad, the plurality of fixed frames are uniformly distributed on the outer bottom of the tank body, and the leather pad is arranged on the bottom of each fixed frame.

[0012] Preferably, the discharge cylinder includes a plug valve and an iron pipe, one end of the plug valve is in communication with the tank body and is arranged on one side of the tank body, and the iron pipe is arranged at the middle position of the plug valve.

[0013] Preferably, the outer surfaces of the stirring tank, the mixing box, the material conveying frame, the support, the discharge cylinder, the cleaning pipe, the water pump and the water tank are provided with an anti-rust coating.

[0014] Advantages:

[0015] Compared with the prior art, the modified asphalt mixing stirring device has the following advantages:

[0016] I. By improving the design of single stirring paddle in asphalt mixing and stirring device to double stirring paddle structure, setting convex stirring paddle below the stirring tank, the paddle of convex stirring paddle is gathered by two pieces of mutually symmetrical paddle and forms upward convex part in the middle, the convex part on the convex stirring paddle continuously pushes the aggregate to the upper part of the paddle in the process of self rotation while the lower stirring motor drives the movement of the convex stirring paddle, at the same time, the upper stirring motor drives the movement of the upper stirring paddle, fully mixes the aggregate pushed up by the convex stirring paddle with the surrounding asphalt, meanwhile, each stirring paddle can rotate in different direction and speed to realize better mixing effect.

[0017] II. By setting mixing device composed of box body, vibration motor, spraying head and feeding port, pre-mixing the aggregate and asphalt to be stirred, greatly reducing the situation that part of aggregate and asphalt are not fully mixed. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0019] Figure 2 It is the side view of the utility model;

[0020] Figure 3 It is the front view of the utility model;

[0021] Figure 4 It is the three-dimensional structure schematic diagram of the stirring motor and convex stirring paddle of the utility model;

[0022] Figure 5 It is the three-dimensional structure schematic diagram of the utility model Figure 2 It is the sectional view of A-A of the utility model.

[0023] In the drawing:

[0024] 1, stirring tank; 11, upper stirring part; 111, upper stirring motor; 112, upper stirring paddle; 12, lower stirring part; 121, lower stirring motor; 122, convex stirring paddle; 13, tank body;

[0025] 2, mixing box; 21, box body; 22, vibration motor; 23, feeding port;

[0026] 3, material conveying frame; 31, feeding hopper; 32, supporting seat;

[0027] 4, supporting leg; 41, fixing frame; 42, leather pad;

[0028] 5, discharging cylinder; 51, plug valve; 52, iron pipe;

[0029] 6, cleaning pipe; 61, rubber water pipe; 62, straight-through valve;

[0030] 7, water pump; 8, water tank. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0032] As shown in Figures 1-5 The present application provides the following technical solutions: a building construction modified asphalt mixing and stirring device, comprising a stirring tank 1, a mixing box 2, a material conveying frame 3, a supporting leg 4, a discharging cylinder 5, a cleaning pipe 6 and a water pump 7. The stirring tank 1 further comprises a tank body 13, an upper stirring part 11 composed of an upper stirring motor 111 and an upper stirring paddle 112, a lower stirring part 12 composed of a lower stirring motor 121 and a convex stirring paddle 122. The stirring tank 1 is arranged on the supporting leg 4. The upper stirring paddle 112 is arranged in the tank body 13. The convex stirring paddle 122 is arranged in the tank body 13. The upper stirring motor 111 is fixedly arranged at the outer bottom of the tank body 13. The lower stirring motor 121 is fixedly arranged at the outer top of the tank body 13. The motor shafts of the upper stirring motor 111 and the lower stirring motor 121 penetrate through the outer wall of the tank body 13 and are fixedly connected with the upper stirring paddle 112 and the convex stirring paddle 122, respectively. The paddle blade of the convex stirring paddle 122 is formed by two paddle blades arranged symmetrically to each other and gathered in the middle part to form a convex part protruding upward. The lower part of the tank body 13 is fixedly connected with the supporting leg 4. The material conveying frame 3 is arranged on the tank body 13. The discharging cylinder 5 is arranged at one side of the tank body 13. The stirring tank 1 and the mixing box 2 are connected through the material conveying frame 3. The cleaning pipe 6 is arranged at one side of the stirring tank 1. The water tank 8 is arranged at one side of the stirring tank 1. The water pump 7 is arranged in the interior of the water tank 8. The cleaning pipe 6 is connected with the water tank 8.

[0033] The existing asphalt mixing device, in the process of stirring, the aggregate is deposited in the bottom of the stirring tank 1 due to its relatively heavy characteristics compared with asphalt, the mixing effect of the aggregate and asphalt deposited in the bottom is not sufficient, the mixing efficiency is low, a long mixing time is needed to ensure the sufficient mixing of asphalt and aggregate, meanwhile, the aggregate deposited in the bottom of the stirring tank 1 due to its relatively heavy characteristics compared with asphalt will cause certain damage to the bottom of the stirring paddle, affecting the service life thereof, the single stirring paddle in the asphalt mixing and stirring device is improved to the upper and lower double stirring paddle structure, the upper convex stirring paddle 122 is arranged, the convex part on the convex stirring paddle 122 continuously pushes the aggregate to the upper side of the paddle during the rotation of the convex stirring paddle 122 while the lower stirring motor 121 drives the convex stirring paddle 122 to move, the aggregate pushed up by the convex stirring paddle 122 is fully mixed with the surrounding asphalt, better mixing effect is achieved, the traditional asphalt mixing device structure is single, which is easy to cause uneven mixing of asphalt, affecting the mixing quality, after the improvement, the stirring paddle has the upper and lower double stirring paddle structure, the asphalt mixing is more uniform, the improved upper and lower double stirring paddle structure can rotate in different directions and at different speeds, better mixing effect is achieved.

[0034] The above-mentioned material conveying frame 3 comprises a feeding hopper 31 and a supporting seat 32, the feeding hopper 31 is connected with the tank body 13 through the inner wall of the tank body 13, the feeding hopper 31 is arranged on the tank body 13, and the supporting seat 32 is fixedly arranged on the tank body 13 and is distributed around the periphery of the feeding hopper 31.

[0035] The supporting seat 32 is arranged to fix the box body 21, so that the mixing box 2 can maintain sufficient stability during work and better pre-mix the aggregate, asphalt and the like, the feeding hopper 31 is arranged to facilitate conveying the pre-mixed materials of the mixing box 2, after the aggregate, asphalt and the like are pre-mixed by the mixing box 2, the pre-mixed materials enter the tank body 13 through the feeding hopper 31 for the next process.

[0036] The above-mentioned cleaning pipe 6 comprises a rubber water pipe 61 and a straight-through valve 62, one end of the rubber water pipe 61 is connected with the tank body 13 through the inner wall of the tank body 13, and the other end of the rubber water pipe 61 is connected with the water pump 7, and the straight-through valve 62 is arranged at the middle part of the rubber water pipe 61.

[0037] The existing asphalt mixing device needs to be cleaned after mixing is completed. In order to make the cleaning process more convenient, a rubber water pipe 61 is arranged to penetrate the inner wall of the tank body 13 and communicate with the tank body 13. A straight-through valve 62 is arranged at the middle part of the rubber water pipe 61 for controlling the water flow switch. When the processing is completed, the straight-through valve 62 is opened, the water flow enters the tank body 13 along the rubber water pipe 61, the lower stirring motor 121 drives the convex stirring paddle 122 to move, the upper stirring motor 111 drives the upper stirring paddle 112 to move, and drives the water flow in the tank body 13 to clean the inside of the tank body 13. The waste water after cleaning flows out along the discharge cylinder 5.

[0038] The mixing box 2 includes a box body 21, a vibration motor 22 and a feeding port 23. The box body 21 is fixedly arranged on the support seat 32. The vibration motor 22 is fixedly arranged on one side of the box body 21. The inner wall of the box body 21 is penetrated by the feeding hopper 31 and communicates with the feeding hopper 31. The feeding port 23 is arranged on the box body 21.

[0039] During the mixing process of the existing mixing device, part of the aggregate and asphalt is not fully mixed. By arranging the mixing box 2 above the material conveying frame 3, the vibration motor 22 drives the box body 21 to vibrate, drives the aggregate, asphalt and the like in the box body 21 to vibrate and pre-mix, thereby greatly improving the working efficiency of the machine.

[0040] The support leg 4 includes a fixing frame 41 and a leather pad 42. The fixing frame 41 has a plurality of fixing frames 41 which are uniformly distributed on the outer bottom of the tank body 13. The bottom of the fixing frame 41 is provided with the leather pad 42.

[0041] During the working process of the mixing tank 1 and the mixing box 2, a certain degree of vibration is generated. The leather pad 42 arranged at the bottom of the fixing frame 41 can reduce the damage of the vibration to the fixing frame 41 to a certain extent.

[0042] The discharge cylinder 5 includes a plug valve 51 and an iron pipe 52. One end of the plug valve 51 penetrates the inner wall of the tank body 13 and communicates with the tank body 13. The iron pipe 52 is arranged at the middle part of the plug valve 51.

[0043] The iron pipe 52 is used for discharging the processed products and waste water generated in the cleaning process. The plug valve 51 is used for controlling the opening and closing of the pipeline.

[0044] The outer surfaces of the mixing tank 1, the mixing box 2, the material conveying frame 3, the support leg 4, the discharge cylinder 5, the cleaning pipe 6, the water pump 7 and the water tank 8 are provided with a rust-proof coating. The rust-proof coating can increase the rust-proof effect.

[0045] Working principle:

[0046] Step one: the worker will be processed into the material placed in the feed inlet 23, by setting the mixing box 2 in the upper part of the material conveying frame 3, vibration motor 22 work driven box 21 vibration, driven box 21 in the aggregate, asphalt vibration and pre-mixing.

[0047] Step two: the aggregate, asphalt and other pre-mixing in the mixing box 2, along the feed hopper 31 into the tank 13 in the next process.

[0048] Step three: the lower stirring motor 121 drive convex stirring paddle 122 movement at the same time, convex stirring paddle 122 on the convex part in the process of its own rotation, constantly along the blade to push the aggregate above the blade, while the upper stirring motor 111 drive upper stirring paddle 112 movement, the convex stirring paddle 122 pushed up the aggregate and the surrounding asphalt fully mixed, achieve better mixing effect.

[0049] Step four: plug valve 51 control pipeline switch, the finished material along the iron pipe 52 discharge.

[0050] Step five: after processing, straight through valve 62 open, water pump 7 extraction water tank 8 water along the rubber water pipe 61 into the tank 13, the lower stirring motor 121 drive convex stirring paddle 122 movement, the upper stirring motor 111 drive upper stirring paddle 112 movement, driven by the tank 13 inside the water flow to the inside of the tank 13 cleaning, the worker opens plug valve 51 control pipeline switch, the finished wastewater along the iron pipe 52 outflow.

[0051] Although the embodiments of the present application have been shown and described, it is to be understood that for the purpose of the present application, the changes, modifications, replacements and variations of the embodiments can be made without departing from the principles and spirit of the present application, the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A construction modified asphalt mixing plant characterized by: It includes stirring tank (1), mixing box (2), material conveying frame (3), supporting leg (4), discharge cylinder (5), cleaning pipe (6), water pump (7) and water tank (8), the stirring tank (1) further includes tank body (13), upper stirring motor (111) and upper stirring paddle (112) consisting of upper stirring part (11), lower stirring motor (121), convex stirring paddle (122) consisting of lower stirring part (12), the stirring tank (1) is arranged on the supporting leg (4), the upper stirring paddle (112) is arranged in the tank body (13), the convex stirring paddle (122) is arranged in the tank body (13), the upper stirring motor (111) is fixedly arranged on the outer bottom of the tank body (13), the lower stirring motor (121) is fixedly arranged on the outer top of the tank body (13), the motor shafts of the upper stirring motor (111) and the lower stirring motor (121) penetrate the outer wall of the tank body (13) and are fixedly connected with the upper stirring paddle (112) and the convex stirring paddle (122) respectively, the paddle blade of the convex stirring paddle (122) is gathered by two pieces of mutually symmetrical paddle blades and forms an upward convex part in the middle part, the lower part of the tank body (13) is fixedly connected with the supporting leg (4), the material conveying frame (3) is arranged on the tank body (13), the discharge cylinder (5) is arranged on one side of the tank body (13), the stirring tank (1) and the mixing box (2) are connected through the material conveying frame (3), the cleaning pipe (6) is arranged on one side of the stirring tank (1), the water tank (8) is arranged on one side of the stirring tank (1), the water pump (7) is arranged in the water tank (8), and the cleaning pipe (6) is connected with the water tank (8).

2. A construction modified bituminous mixture mixing plant as claimed in claim 1 wherein: The material conveying frame (3) includes feeding hopper (31) and supporting seat (32), the feeding hopper (31) penetrates the inner wall of the tank body (13) and is communicated with the tank body (13), the feeding hopper (31) is arranged on the tank body (13), and the supporting seat (32) is fixedly arranged on the tank body (13).

3. A construction modified bituminous mixture mixing plant as claimed in claim 2 wherein: The cleaning pipe (6) includes rubber water pipe (61) and straight-through valve (62), one end of the rubber water pipe (61) penetrates the inner wall of the tank body (13) and is communicated with the tank body (13), one end of the rubber water pipe (61) is connected with the water pump (7), and the straight-through valve (62) is arranged at the middle part of the rubber water pipe (61).

4. The construction modified asphalt mixture mixing and blending apparatus of claim 3, wherein: The mixing box (2) includes box body (21), vibration motor (22) and feeding port (23), the box body (21) is fixedly arranged on the supporting seat (32), the vibration motor (22) is fixedly arranged on one side of the box body (21), the inner wall of the box body (21) is penetrated by the feeding hopper (31) and is communicated with the feeding hopper (31), and the feeding port (23) is arranged on the box body (21).

5. A construction modified bituminous mixture mixing plant as claimed in claim 4 wherein: The supporting leg (4) includes fixing frame (41) and leather pad (42), the fixing frame (41) has a plurality of fixing frames (41), and the plurality of fixing frames (41) are uniformly distributed on the outer bottom of the tank body (13), and the bottom of the fixing frame (41) is provided with the leather pad (42).

6. A construction modified bituminous mixture mixing plant as claimed in claim 1, wherein: The discharge cylinder (5) comprises a plug valve (51) and a pipe (52), one end of the plug valve (51) penetrates the inner wall of the tank body (13) and is connected with the tank body (13), and the pipe (52) is arranged at the middle part of the plug valve (51).

7. The construction modified asphalt mixture mixing and blending apparatus of claim 1, wherein: The outer surfaces of the stirring tank (1), the mixing box (2), the conveying frame (3), the supporting leg (4), the discharge cylinder (5), the cleaning pipe (6), the water pump (7) and the water tank (8) are provided with a rust-proof coating.

Citation Information

Patent Citations

  • Asphalt stirring and mixing device

    CN218393324U