Mixing device for colored asphalt
By introducing a twin-shaft mixing and heating assembly and an automatic material proportioning assembly into the colored asphalt mixing device, the problems of uneven mixing and inaccurate proportioning were solved, and efficient and stable production of colored asphalt was achieved.
Patent Information
- Application Number
- CN202423148494.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-19
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-12-19
AI Technical Summary
Existing colored asphalt mixing equipment suffers from problems such as insufficient mixing, inaccurate temperature control, and imprecise material proportioning, resulting in unstable product quality and low production efficiency.
The system employs a dual-shaft stirring and heating assembly and an automatic material proportioning assembly, combined with a central controller, to achieve uniform mixing, precise proportioning, and temperature control of materials, ensuring consistent quality and improved efficiency in each mixing process.
The use of a dual-shaft stirring and heating component avoids material rotation and stratification, ensuring uniform mixing of pigments and asphalt. The automatic material proportioning component enables precise material ratio control, improving the quality stability and production efficiency of colored asphalt.
Smart Images
Figure CN223555957U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to bitumen processing equipment technical field, concretely relates to a mixing device for color bitumen. BACKGROUND
[0002] In the field of color bitumen production, the existing mixing device has diverse designs and applications. The common mixing device mostly adopts a stirring structure, which mainly consists of a stirring cylinder, a stirring shaft and stirring blades. The stirring shaft drives the stirring blades to rotate at high speed under the drive of a motor or other power device, so that the color bitumen raw materials entering the stirring cylinder can be fully mixed. At the same time, in order to improve the mixing efficiency, some devices are provided with guide plates or baffles inside the stirring cylinder, so that the materials form a complex flow path during stirring, enhancing the mixing effect. In addition, in terms of environmental protection, the prior art also focuses on the collection and treatment of dust, waste gas and other pollutants, reducing the adverse effects on the environment. The existing technology has the following problems:
[0003] The existing mixing device for color bitumen does not have a double-shaft stirring structure, adopts single-shaft stirring or non-stirring mode, and the materials are prone to insufficient mixing, resulting in uneven mixing of bitumen and pigment additives, uneven quality of the produced color bitumen, uneven color and performance distribution, and the existing equipment does not have a temperature control function, so that the internal temperature of the mixing cylinder cannot reach the appropriate mixing temperature, the dispersion effect of the pigment in the bitumen is poor, and the color of the produced color bitumen is uneven. In addition, the existing device does not have an automatic material proportioning assembly, and relies on manual material proportioning, which is difficult to ensure accurate proportioning every time, the product quality fluctuates greatly between the same batch and different batches, and cannot meet the production requirements of high-quality products. At the same time, manual material proportioning is a relatively tedious process, which requires a lot of time to weigh and add materials, reducing the production efficiency of the equipment. SUMMARY
[0004] The utility model provides a mixing device for color bitumen to solve the problems in the above background technology.
[0005] To solve the above technical problems, the utility model adopts the technical scheme of:
[0006] A kind of mixing device for color asphalt, including base, the bottom four corners of the base are fixedly connected with support leg, the top front left of the base is fixedly connected with central controller, the top end of the base is fixedly connected with mixing cylinder, the top of the mixing cylinder is fixedly connected with top plate, the bottom of the mixing cylinder is fixedly connected with discharge pipe that passes through to the bottom of base, the outer wall bottom of the discharge pipe is fixedly connected with electromagnetic valve, the front of the mixing cylinder is provided with drive assembly, the inside of the mixing cylinder is provided with double-shaft stirring heating assembly, the top of the top plate is provided with automatic material proportioning assembly.
[0007] Further improvement of the utility model technical scheme lies in: the drive assembly includes fixed plate, the fixed plate is fixedly connected at the top front right of base, motor one is fixedly connected at the top of the fixed plate, the output end of motor one is fixedly connected with pulley one, the left side of motor one is provided with fixed vertical plate fixedly connected with the top of base, the front right of the fixed vertical plate is rotatably connected with rotating shaft, the front end of the rotating shaft is fixedly connected with pulley two, pulley one and pulley two are provided with belt on the outer wall.
[0008] Further improvement of the utility model technical scheme lies in: the rear end of the rotating shaft penetrates to the rear side wall of fixed vertical plate and is fixedly connected with main gear, the left side of main gear is meshingly connected with from gear, the inside of from gear is fixedly connected with fixed rod, the rear end of fixed rod is rotatably connected with the rear side wall of fixed vertical plate, the right upper side of main gear is meshingly connected with gear one, the left upper side of from gear is meshingly connected with gear two, the central controller is electrically connected with motor one.
[0009] Further improvement of the utility model technical scheme lies in: the double-shaft stirring heating assembly includes first rotating rod, the first rotating rod is rotatably connected at the left of the inside wall of mixing cylinder before and after, the front end of the first rotating rod penetrates to the front outer wall of mixing cylinder and is fixedly connected with gear two, the right of the inside wall of mixing cylinder before and after is rotatably connected with second rotating rod, the front end of the second rotating rod penetrates to the front outer wall of mixing cylinder and is fixedly connected with gear one, the outer wall of first rotating rod and second rotating rod are all fixedly connected with a plurality of staggered stirring rods, the side of a plurality of stirring rods close to the inner wall of mixing cylinder is fixedly connected with scraper, the inner wall of mixing cylinder is fixedly connected with heating plate, the rear side of the outer wall of second rotating rod is fixedly connected with temperature sensor, the central controller is electrically connected with heating plate and temperature sensor respectively.
[0010] A further improvement of the present invention is that the automatic material proportioning component includes a feed pipe, which is fixedly connected to the top center of the top plate. A capacitive material sensor is fixedly connected to the bottom of the inner wall of the feed pipe. Conveying pipes are fixedly connected to both the left and right sides of the outer wall of the feed pipe. An asphalt storage bin is fixedly connected to the top of the outer wall of the right conveying pipe, and a pigment additive storage bin is fixedly connected to the top of the outer wall of the left conveying pipe. The bottom of the outer walls of both the asphalt storage bin and the pigment additive storage bin are fixedly connected to a fixing frame that is fixedly connected to the top of the top plate.
[0011] A further improvement of this utility model is that: an auger is rotatably connected to the inner wall of the left and right conveying pipes on the side away from each other; a second motor is fixedly connected to the outer wall of the left and right conveying pipes on the side away from each other; the output ends of the two second motors pass through the interior of the left and right conveying pipes and are fixedly connected to the auger; and the central controller is electrically connected to the capacitive material sensor and the two second motors.
[0012] Due to the adoption of the above technical solution, the technological progress achieved by this utility model compared to the prior art is as follows:
[0013] 1. This utility model provides a mixing device for colored asphalt. By setting up a drive component and a dual-shaft stirring and heating component, the material rotation and stratification phenomenon that may occur in single-shaft stirring is avoided. Asphalt and pigment additives can quickly come into contact with each other at various locations to achieve efficient mixing and ensure that the material composition of each part is uniform. At the same time, uniform heating helps the pigment to be better dispersed in the asphalt, so that the pigment and asphalt can be better integrated at the molecular level, thereby improving the quality of colored asphalt.
[0014] 2. This utility model provides a mixing device for colored asphalt. Through the set automatic material proportioning component, the amount of each material added can be accurately controlled, thereby ensuring the accuracy of the mixing ratio each time. The quality of the produced colored asphalt is stable, and the color and performance meet the expected standards, ensuring the stability and repeatability of product quality. At the same time, the automatic material proportioning component realizes the automation of material proportioning. The operator only needs to set the parameters in the central controller, and the entire material proportioning process can be carried out automatically without manual weighing and adding of materials. This not only saves manpower, but also greatly improves production efficiency and shortens the production cycle. Attached Figure Description
[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0016] Figure 2 This is a partial structural schematic diagram of the present invention;
[0017] Figure 3This is a schematic diagram of the drive component structure of this utility model;
[0018] Figure 4 This is a schematic diagram of the dual-shaft stirring and heating assembly of this utility model;
[0019] Figure 5 This is a schematic diagram of the automatic material proportioning component of this utility model.
[0020] In the diagram: 10. Base; 11. Support leg; 12. Central controller; 13. Top plate; 14. Discharge pipe; 15. Solenoid valve; 16. Mixing cylinder; 2. Drive assembly; 20. Fixing plate; 21. Motor 1; 22. Pulley 1; 23. Pulley 2; 24. Rotating shaft; 25. Fixed vertical plate; 26. Driven gear; 27. Main gear; 28. Gear 1; 29. Gear 2; 3. Dual-shaft stirring and heating assembly; 30. First rotating rod; 31. Second rotating rod; 32. Stirring rod; 33. Scraper; 34. Heating plate; 35. Temperature sensor; 4. Automatic material proportioning assembly; 40. Feed pipe; 41. Capacitive material sensor; 42. Conveying pipe; 43. Motor 2; 44. Screwdriver; 45. Asphalt storage bin; 46. Fixing frame; 47. Pigment additive storage bin. Detailed Implementation
[0021] To make the technical means, creative features, objectives, and effects of this utility model easier to understand, the following describes this utility model in conjunction with specific embodiments:
[0022] like Figure 1 , Figure 2 As shown, this utility model provides a mixing device for colored asphalt, including a base 10, with support legs 11 fixedly connected to the four corners of the bottom of the base 10, a central controller 12 fixedly connected to the left side of the front top of the base 10, a mixing cylinder 16 fixedly connected to the middle of the top of the base 10, a top plate 13 fixedly connected to the top of the mixing cylinder 16, a discharge pipe 14 fixedly connected to the bottom of the mixing cylinder 16 extending to the bottom of the base 10, a solenoid valve 15 fixedly connected to the bottom of the outer wall of the discharge pipe 14, a drive assembly 2 provided on the front side of the mixing cylinder 16, a dual-shaft stirring and heating assembly 3 provided inside the mixing cylinder 16, and an automatic material proportioning assembly 4 provided on the top of the top plate 13.
[0023] The bottom four corners of the base 10 are firmly and fixedly connected with supporting legs 11, which can stably support the entire device on the ground, ensuring that the device does not shake or shift during the mixing process. The central controller 12 is the control core of the entire device, responsible for coordinating and controlling the operation of each component. The bottom of the mixing cylinder 16 is fixedly connected with a discharge pipe 14, which penetrates to the bottom of the base 10 and is fixedly connected with a solenoid valve 15 at the bottom of the outer wall of the discharge pipe 14. By controlling the opening and closing of the solenoid valve 15 through the central controller 12, precise discharge of the material after mixing can be achieved.
[0024] As shown in Figure 3 , the driving assembly 2 includes a fixed plate 20 fixedly connected to the top front right side of the base 10. The top of the fixed plate 20 is fixedly connected with a motor one 21, the output end of the motor one 21 is fixedly connected with a belt pulley one 22, the left side of the motor one 21 is provided with a fixed vertical plate 25 fixedly connected with the top of the base 10, the front right side of the fixed vertical plate 25 is rotatably connected with a rotating shaft 24, the front end of the rotating shaft 24 is fixedly connected with a belt pulley two 23, and the outer walls of the belt pulley one 22 and the belt pulley two 23 are sleeved with a belt.
[0025] As shown in Figure 3 , the rear end of the rotating shaft 24 penetrates through the rear side wall of the fixed vertical plate 25 and is fixedly connected with a main gear 27. The left side of the main gear 27 is meshingly connected with a driven gear 26, the inside of the driven gear 26 is fixedly connected with a fixed rod, the rear end of the fixed rod is rotatably connected with the rear side wall of the fixed vertical plate 25, the right upper side of the main gear 27 is meshingly connected with a gear one 28, the left upper side of the driven gear 26 is meshingly connected with a gear two 29, and the central controller 12 is electrically connected with the motor one 21.
[0026] As shown in Figure 4 , the double-shaft stirring and heating assembly 3 includes a first rotating rod 30 rotatably connected to the left side of the inner walls of the front and rear sides of the mixing cylinder 16. The front end of the first rotating rod 30 penetrates through the front outer wall of the mixing cylinder 16 and is fixedly connected with the gear two 29. The right side of the inner walls of the front and rear sides of the mixing cylinder 16 is rotatably connected with a second rotating rod 31. The front end of the second rotating rod 31 penetrates through the front outer wall of the mixing cylinder 16 and is fixedly connected with the gear one 28. The outer walls of the first rotating rod 30 and the second rotating rod 31 are fixedly connected with a plurality of staggered stirring rods 32. The side of the plurality of stirring rods 32 close to the inner wall of the mixing cylinder 16 is fixedly connected with a scraper 33. The inner wall of the mixing cylinder 16 is fixedly connected with a heating plate 34. The outer wall of the second rotating rod 31 is fixedly connected with a temperature sensor 35. The central controller 12 is electrically connected with the heating plate 34 and the temperature sensor 35.
[0027] When it is necessary to heat and stir the asphalt raw material, the central controller 12 controls the driving assembly 2 and the double-shaft stirring and heating assembly 3 to work cooperatively, first, the central controller 12 sends a starting signal to the motor one 21, the motor one 21 is started and drives the belt pulley one 22 to rotate, the belt pulley two 23 and the rotating shaft 24 are driven to rotate through the belt transmission, the main gear 27 at the rear end of the rotating shaft 24 is driven to rotate, the meshing transmission of the main gear 27 and the gear one 28 and the gear two 29 and the gear one 28 and the gear two 29 drives the first rotating rod 30 and the second rotating rod 31 to rotate reversely in the mixing cylinder 16, the stirring rods 32 on the first rotating rod 30 and the second rotating rod 31 fully stir the material, and the scrapers 33 on the stirring rods 32 scrape the material on the inner wall of the mixing cylinder 16 to ensure uniform mixing.
[0028] Meanwhile, the central controller 12 controls the heating plate 34 to start heating work, the temperature sensor 35 on the second rotating rod 31 monitors the temperature in the mixing cylinder 16 in real time and transmits the temperature signal to the central controller 12, and the temperature comparison module in the central controller 12 compares the received real-time temperature with the preset mixing temperature range, when the real-time temperature is lower than the lower limit value of the preset temperature range, the central controller 12 sends an instruction to increase the heating power to the heating plate 34, the heating plate 34 increases the heating power to make the temperature in the mixing cylinder 16 rise, when the real-time temperature reaches the preset temperature range, the central controller 12 sends an instruction to maintain the current heating power or appropriately reduce the heating power to the heating plate 34 to keep the temperature stable in the appropriate mixing temperature range, through the driving assembly 2 and the double-shaft stirring and heating assembly 3, the material rotation stratification phenomenon that may occur in the single-shaft stirring is avoided, the asphalt and the pigment additive can quickly contact each other at various positions, efficient mixing is realized, the composition of each part of the material is uniform and consistent, and uniform heating helps the pigment to be better dispersed in the asphalt, so that the pigment and the asphalt are better fused at the molecular level, and the quality of the colored asphalt is improved.
[0029] As shown in Figure 5 The automatic material proportioning assembly 4 includes the feeding pipe 40, the feeding pipe 40 is fixedly connected to the top end of the top plate 13, the inner wall bottom of the feeding pipe 40 is fixedly connected with the capacitive material sensor 41, the outer walls of the left and right sides of the feeding pipe 40 are fixedly connected with the material conveying pipes 42, the outer wall top of the right side material conveying pipe 42 is fixedly connected with the asphalt storage bin 45, the outer wall top of the left side material conveying pipe 42 is fixedly connected with the pigment additive storage bin 47, and the outer wall bottoms of the asphalt storage bin 45 and the pigment additive storage bin 47 are fixedly connected with the fixed frame 46 fixedly connected to the top of the top plate 13.
[0030] As shown in Figure 5As shown, the inner wall of the left and right two material conveying pipes 42 away from each other is rotationally connected with a screw 44, and the outer wall of the left and right two material conveying pipes 42 away from each other is fixedly connected with a motor two 43, the output ends of the left and right two motors two 43 are respectively penetrated into the interiors of the left and right two material conveying pipes 42 and are fixedly connected with the screw 44, and the central controller 12 is electrically connected with the capacitive material sensor 41 and the left and right two motors two 43.
[0031] When it is necessary to proportionally mix asphalt and additives such as pigments, first, an operator sets accurate proportioning parameters of asphalt and pigment additives on the operation interface of the central controller 12, and then the central controller 12 sends a start instruction to the right motor two 43 according to a set program, the right motor two 43 starts to operate after receiving the instruction, drives the screw 44 in the right material conveying pipe 42 to rotate, and the asphalt in the asphalt storage bin 45 is pushed into the feeding pipe 40 by the screw 44, the capacitive material sensor 41 at the bottom of the feeding pipe 40 monitors the weight of asphalt in real time and feeds back the weight data to the central controller 12, when the feedback data reaches a preset asphalt weight value, the central controller 12 immediately sends a stop instruction to the right motor two 43, the right motor two 43 stops operating, and the asphalt conveying stops, then the central controller 12 sends a start signal to the left motor two 43, the left motor two 43 drives the screw 44 in the left material conveying pipe 42 to rotate, and the pigment additives in the pigment additive storage bin 47 are conveyed to the feeding pipe 40, the capacitive material sensor 41 continuously monitors the weight of the pigment additives and feeds back to the central controller 12, and once the preset pigment additive weight is reached, the central controller 12 sends a stop instruction to the left motor two 43, thus completing accurate material proportioning, and the material falls into the mixing drum 16, through the automatic material proportioning assembly 4, the addition amount of each material can be accurately controlled, so that the proportioning of each mixing is accurate, the quality of the produced colored asphalt is stable, the color and performance meet the expected standards, and the stability and repeatability of the product quality are ensured, at the same time, the automatic material proportioning assembly realizes the automation of material proportioning, the operator only needs to set the parameters in the central controller 12, and the whole material proportioning process can be automatically performed without manual manual weighing and adding materials, which not only saves manpower, but also greatly improves the production efficiency and shortens the production cycle.
[0032] After the mixing is completed, the central controller 12 sends an opening instruction to the electromagnetic valve 15, and the electromagnetic valve 15 opens the passage of the discharge pipe 14 after receiving the instruction. The mixed colored asphalt in the mixing cylinder 16 flows out under the action of gravity through the discharge pipe 14. The central controller 12 can accurately control the opening time and opening degree of the electromagnetic valve 15 according to the pre-set discharge amount or discharge time parameters. For example, if a specific discharge amount is set, the central controller 12 calculates the required opening time and opening degree of the electromagnetic valve 15 by combining the pipe diameter of the discharge pipe 14 and other parameters through the internal calculation module, so as to realize precise discharge and meet the requirements of different production processes on discharge.
[0033] It should be particularly pointed out that the following models can be used. The central controller 12 is a Siemens S7-300 CPU central processor with a model number of 6ES7317-6TK13-0AB0, which is suitable for PLC programming controllers and is commonly used in industrial automation control. The model number of the electromagnetic valve 15 is JL-V0930-001, the model number of the temperature sensor 35 is PT100, and the model number of the capacitive material sensor 41 is BI2U-EG08-AP6X-V1131. The above-mentioned electrical elements are devices or equipment existing in the prior art or devices or equipment that can be realized in the prior art. The power supply, specific composition and principles thereof are clear to those skilled in the art, and therefore will not be described in detail.
[0034] The working principle of the mixing device for colored asphalt will be described in detail below.
[0035] As Figures 1-5When it is necessary to proportionally mix asphalt and additives such as pigments, first of all, the operator sets the accurate proportioning parameters of asphalt and pigment additives on the operation interface of the central controller 12, and then the central controller 12 sends a start instruction to the right motor two 43 according to the setting program, the right motor two 43 starts to operate after receiving the instruction, drives the auger 44 in the right conveying pipe 42 to rotate, the asphalt in the asphalt storage bin 45 is pushed into the feeding pipe 40 by the auger 44, the capacitive material sensor 41 at the bottom of the feeding pipe 40 monitors the weight of asphalt in real time and feeds back the weight data to the central controller 12, when the feedback data reaches the preset asphalt weight value, the central controller 12 immediately sends a stop instruction to the right motor two 43, the right motor two 43 stops operating, the asphalt conveying stops, then the central controller 12 sends a start signal to the left motor two 43, the left motor two 43 drives the auger 44 in the left conveying pipe 42 to rotate, the pigment additives in the pigment additive storage bin 47 are conveyed to the feeding pipe 40, the capacitive material sensor 41 continuously monitors the weight of the pigment additives and feeds back to the central controller 12, as soon as the preset pigment additive weight is reached, the central controller 12 sends a stop instruction to the left motor two 43, thus completing the accurate proportioning of materials, the materials fall into the mixing drum 16, through the automatic material proportioning assembly 4 set, the addition amount of each material can be accurately controlled, so as to ensure the accurate proportioning of each mixing, the quality of the colored asphalt produced is stable, the color and performance meet the expected standard, ensuring the stability and repeatability of product quality, at the same time, the automatic material proportioning assembly realizes the automation of material proportioning, the operator only needs to set the parameters in the central controller 12, the whole material proportioning process can be automatically carried out without manual weighing and adding materials, which not only saves manpower, but also greatly improves the production efficiency and shortens the production cycle.
[0036] When it is necessary to heat and stir the asphalt raw materials, the central controller 12 controls the driving assembly 2 and the double-shaft stirring and heating assembly 3 to work cooperatively, first of all, the central controller 12 sends a start signal to the motor one 21, the motor one 21 starts and drives the belt pulley one 22 to rotate, the belt pulley two 23 and the rotating shaft 24 are driven to rotate through belt transmission, the main gear 27 at the rear end of the rotating shaft 24 rotates, the meshing transmission of the main gear 27 with the gear one 28 and the gear two 29 and the meshing transmission of the gear one 28 with the gear two 29 drive the first rotating rod 30 and the second rotating rod 31 to rotate reversely in the mixing drum 16, the stirring rods 32 on the first rotating rod 30 and the second rotating rod 31 stir the materials sufficiently, and the scrapers 33 on the stirring rods 32 scrape the materials on the inner wall of the mixing drum 16 to ensure uniform mixing.
[0037] Meanwhile, the central controller 12 controls the heating plate 34 to start heating work, the temperature sensor 35 on the second rotating rod 31 monitors the temperature in the mixing cylinder 16 in real time, and transmits the temperature signal to the central controller 12, and the temperature comparison module in the central controller 12 compares the received real-time temperature with the preset mixing temperature range, when the real-time temperature is lower than the lower limit value of the preset temperature range, the central controller 12 sends the instruction of increasing the heating power to the heating plate 34, the heating plate 34 increases the heating power, so that the temperature in the mixing cylinder 16 rises, when the real-time temperature reaches the preset temperature range, the central controller 12 sends the instruction of maintaining the current heating power or appropriately reducing the heating power to the heating plate 34, so as to keep the temperature stable in the appropriate mixing temperature range, through the driving assembly 2 and the double-shaft stirring and heating assembly 3, the material rotation stratification phenomenon that may occur in single-shaft stirring is avoided, the asphalt and the pigment additive can quickly contact each other at various positions, efficient mixing is realized, the material composition of each part is uniform and consistent, and uniform heating helps the pigment to be better dispersed in the asphalt, so that the pigment and the asphalt are better fused at the molecular level, and the quality of the colored asphalt is improved.
[0038] After the mixing is completed, the central controller 12 sends an opening instruction to the electromagnetic valve 15, the electromagnetic valve 15 opens the channel of the discharging pipe 14 after receiving the instruction, the mixed colored asphalt in the mixing cylinder 16 flows out through the discharging pipe 14 under the action of gravity, and the central controller 12 can accurately control the opening time and opening degree of the electromagnetic valve 15 according to the preset discharging amount or discharging time parameters, for example, if a specific discharging amount is set, the central controller 12 calculates the required opening time and opening degree of the electromagnetic valve 15 by combining the pipe diameter of the discharging pipe 14 and other parameters through the internal calculation module, so that accurate discharging is realized and the requirements of different production processes on discharging are met.
[0039] The above has made a detailed description of the present application, but some modifications or improvements can be made on the basis of the present application, which is obvious to those skilled in the art. Therefore, the modifications or improvements without departing from the spirit of the present application are within the protection scope of the present application.
Claims
1. A mixing device for colored bitumen, comprising a base (10), characterized in that: The bottom four corners of the base (10) are fixedly connected with supporting legs (11), the top front left side of the base (10) is fixedly connected with a central controller (12), the top end of the base (10) is fixedly connected with a mixing cylinder (16), the top of the mixing cylinder (16) is fixedly connected with a top plate (13), the bottom of the mixing cylinder (16) is fixedly connected with a discharge pipe (14) penetrating to the bottom of the base (10), the outer wall bottom of the discharge pipe (14) is fixedly connected with a solenoid valve (15), the front side of the mixing cylinder (16) is provided with a driving assembly (2), the inside of the mixing cylinder (16) is provided with a double-shaft stirring and heating assembly (3), and the top of the top plate (13) is provided with an automatic material proportioning assembly (4).
2. A mixing device for colored asphalt according to claim 1, characterized in that: The driving assembly (2) comprises a fixed plate (20) fixedly connected to the top front right side of the base (10), a motor one (21) fixedly connected to the top of the fixed plate (20), a belt pulley one (22) fixedly connected to the output end of the motor one (21), a fixed vertical plate (25) fixedly connected to the top of the base (10) and arranged on the left side of the motor one (21), a rotating shaft (24) rotatably connected to the front right side of the fixed vertical plate (25), a belt pulley two (23) fixedly connected to the front end of the rotating shaft (24), and a belt covering the outer walls of the belt pulley one (22) and the belt pulley two (23).
3. A mixing device for colored asphalt according to claim 2, characterized in that: The rear end of the rotating shaft (24) penetrates to the rear side wall of the fixed vertical plate (25) and is fixedly connected with a main gear (27), the left side of the main gear (27) is meshingly connected with a slave gear (26), the inside of the slave gear (26) is fixedly connected with a fixed rod, the rear end of the fixed rod is rotatably connected with the rear side wall of the fixed vertical plate (25), the right upper side of the main gear (27) is meshingly connected with a gear one (28), the left upper side of the slave gear (26) is meshingly connected with a gear two (29), and the central controller (12) is electrically connected with the motor one (21).
4. A mixing device for colored asphalt according to claim 3, characterized in that: The double shaft stirring heating assembly (3) comprises a first rotating rod (30) rotatably connected to the left side of the inner wall of the front and back of the mixing cylinder (16), the front end of the first rotating rod (30) penetrates through the front outer wall of the mixing cylinder (16) and is fixedly connected with the gear two (29), the second rotating rod (31) is rotatably connected to the right side of the inner wall of the front and back of the mixing cylinder (16), the front end of the second rotating rod (31) penetrates through the front outer wall of the mixing cylinder (16) and is fixedly connected with the gear one (28), the outer wall of the first rotating rod (30) and the second rotating rod (31) is fixedly connected with a plurality of staggered stirring rods (32), a plurality of the stirring rods (32) are fixedly connected with scrapers (33) on the side close to the inner wall of the mixing cylinder (16), the inner wall of the mixing cylinder (16) is fixedly connected with a heating plate (34), the outer wall of the rear side of the second rotating rod (31) is fixedly connected with a temperature sensor (35), and the central controller (12) is electrically connected with the heating plate (34) and the temperature sensor (35).
5. A mixing device for colored asphalt according to claim 1, characterized in that: The automatic material proportioning assembly (4) comprises a feeding pipe (40) fixedly connected to the top end of the top plate (13), the inner wall bottom of the feeding pipe (40) is fixedly connected with a capacitive material sensor (41), the outer walls of the left and right sides of the feeding pipe (40) are fixedly connected with material conveying pipes (42), the outer wall top of the right material conveying pipe (42) is fixedly connected with an asphalt storage bin (45), the outer wall top of the left material conveying pipe (42) is fixedly connected with a pigment additive storage bin (47), and the outer wall bottoms of the asphalt storage bin (45) and the pigment additive storage bin (47) are fixedly connected with a fixed frame (46) fixedly connected with the top of the top plate (13).
6. A mixing device for colored asphalt according to claim 5, characterized in that: The inner walls of the sides away from each other of the left and right material conveying pipes (42) are rotatably connected with augers (44), and the outer walls of the sides away from each other of the left and right material conveying pipes (42) are fixedly connected with motors two (43), the output ends of the left and right motors two (43) penetrate into the interiors of the left and right material conveying pipes (42) and are fixedly connected with the augers (44), and the central controller (12) is electrically connected with the capacitive material sensor (41) and the left and right motors two (43).