Asphalt concrete mixing device

Abstract

The utility model belongs to the technical field of asphalt concrete production, and particularly relates to an asphalt concrete mixing device which comprises a stirring barrel, two feeding ports are fixedly connected to the top of the stirring barrel, a discharging pipe is fixedly connected to one side of the bottom of the stirring barrel, a rotary drum is arranged in the stirring barrel, and a discharging pipe is fixedly connected to one side of the bottom of the rotary drum. The top of the stirring barrel is fixedly connected with a positioning frame, and the inner wall of one end of the positioning frame is fixedly connected with a driving motor. A driven wheel is driven to rotate through a transmission belt, a rotating drum, a positioning rod and a scraper blade can be driven to rotate in the stirring barrel, and asphalt concrete adhered to the inner wall of the stirring barrel can be scraped and cleaned by utilizing the scraper blade, so that workers can conveniently clean the adhered asphalt concrete, the labor intensity of the workers is reduced, and the practicability of the device is improved; and the asphalt concrete can be stirred in multiple directions through rotation of the multiple stirring claws, so that the problem of non-uniform stirring during mixing is reduced, and the mixing efficiency of the asphalt concrete is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of asphalt concrete production, in particular to an asphalt concrete mixing device. Background Art

[0002] Asphalt concrete is a commonly used road paving material, which is made of asphalt, aggregate (such as crushed stone, stone chips, etc.), mineral powder and other materials mixed in a certain proportion. This material has good adhesion, durability and stability, and is widely used in the construction of transportation infrastructure such as roads, bridges, and airport runways.

[0003] Asphalt concrete mixing devices are mostly composed of a mixer body, a stirring mechanism and a driving mechanism. When mixing asphalt concrete, the raw materials are injected into the mixer body, the motor of the driving mechanism is started to drive the stirring mechanism to rotate, and the stirring mechanism is used to mix and stir various raw materials, thereby completing the mixing production of asphalt concrete.

[0004] In the current existing technology, the stirring structure of traditional asphalt concrete mixing devices is mostly relatively simple, and uneven mixing may occur when mixing asphalt and concrete. At the same time, asphalt concrete is easy to stick to the inner wall of the mixing machine when mixing inside the machine, which not only reduces the mixing efficiency of asphalt concrete, but also makes it inconvenient for workers to clean the sticky asphalt concrete, increases the labor intensity of workers, and reduces the practicality of the device.

[0005] Therefore, an asphalt concrete mixing device is proposed to address the above problems. Utility Model Content

[0006] In order to make up for the deficiencies of the prior art and solve the above-mentioned problems, an asphalt concrete mixing device is proposed.

[0007] The technical solution adopted by the utility model to solve its technical problems is: an asphalt concrete mixing device described in the utility model includes a mixing barrel, the top of the mixing barrel is fixedly connected to two feeding ports, one side of the bottom of the mixing barrel is fixedly connected to a discharge pipe, a rotating drum is arranged inside the mixing barrel, and a plurality of positioning rods are arranged in an array on the outer wall of the rotating drum, one end of each positioning rod is fixedly connected to the rotating drum, and the other end of the positioning rod on each side is fixedly connected to a scraper, the plurality of scrapers are arranged in an annular array via a plurality of positioning rods, and one side of each positioning rod is fitted and connected to the inner wall of the mixing barrel, and every two upper and lower adjacent ones of the plurality of positioning rods are arranged in an annular array. A connecting rod is arranged between the positioning rods, one end of each connecting rod is rotatably connected to the inner wall of the rotating drum, the other ends of the multiple connecting rods are rotatably connected to the inner wall of the scraper, the outer wall of each connecting rod is fixedly connected to a plurality of stirring claws, a positioning frame is fixedly connected to the top of the mixing drum, the inner wall of one end of the positioning frame is fixedly connected to a driving motor, the output shaft of the driving motor is fixedly connected to a second transmission wheel, the outer wall of the second transmission wheel is rotatably connected to a transmission belt, the inner wall of the other end of the transmission belt is rotatably connected to a driven wheel, the inner wall of the driven wheel is fixedly connected to the top of the rotating drum, and the rotating drum rotates inside the mixing drum via the driven wheel.

[0008] Preferably, one end of the discharge pipe is fixedly connected to a servo motor, one end of the output shaft of the servo motor is fixedly connected to a spiral rod, the outer side of the spiral rod is in contact with the inner wall of the discharge pipe, and the spiral rod rotates inside the discharge pipe via the output shaft of the servo motor.

[0009] Preferably, a second motor is fixedly connected to an inner wall at one end of the positioning frame, a rotating rod is fixedly connected to one end of an output shaft of the second motor, and outer walls at both ends of the rotating rod are rotatably connected to inner walls at both ends of the second motor.

[0010] Preferably, a plurality of gears are fixedly connected to the outer wall of the rotating rod, the plurality of gears are arranged in an array, and the plurality of gears are arranged inside the rotating drum via the rotating rod.

[0011] Preferably, the outer wall of each gear is meshedly connected with a plurality of bevel gears, and the plurality of bevel gears are arranged in a ring array via gears.

[0012] Preferably, the inner wall of each of the bevel gears is fixedly connected to the outer wall of a connecting rod, and each of the connecting rods rotates on the inner wall of the rotating drum via the bevel gear.

[0013] Beneficial effects of the utility model:

[0014] The utility model provides an asphalt concrete mixing device, which drives the second transmission wheel to rotate by the output shaft of the driving motor, and then drives the driven wheel to rotate by the transmission belt, so as to drive the rotating drum to rotate inside the mixing barrel, and then drives the positioning rod and the scraper to rotate inside the mixing barrel. The asphalt concrete inside the mixing barrel can be stirred horizontally by using a plurality of positioning rods, and the asphalt concrete stuck on the inner wall of the mixing barrel can be scraped and cleaned by using the scraper, so that it is convenient for workers to clean the sticky asphalt concrete, reduce the labor intensity of workers, and improve the practicality of the device. The asphalt concrete can be stirred in multiple directions by the rotation of a plurality of stirring claws, so as to reduce the problem of uneven stirring during mixing and improve the mixing efficiency of the asphalt concrete.

[0015] The utility model provides an asphalt concrete mixing device, which drives a spiral rod to rotate inside a discharge pipe through the output shaft of a servo motor, so that the asphalt concrete is stably discharged from the discharge pipe, and the discharge pipe is prevented from being blocked during discharge. The output shaft of a second motor is used to drive a rotating rod to rotate, so that the rotating rod can stably drive multiple gears to rotate inside a rotating drum, and then drive multiple bevel gears meshing on the outer walls of the gears to rotate, so that the connecting rod rotates synchronously when the bevel gears rotate, and then can stably drive multiple stirring claws to rotate between multiple positioning rods, so that the asphalt concrete can be stirred in all directions, and more uniform and efficient stirring can be achieved. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0017] Figure 1 It is a three-dimensional diagram of the utility model;

[0018] Figure 2 It is a cross-sectional view of the mixing barrel in the utility model;

[0019] Figure 3 It is a three-dimensional diagram of the rotating drum in the utility model;

[0020] Figure 4 It is a cross-sectional view of the rotary drum in the utility model;

[0021] Figure 5 It is a three-dimensional diagram of the gear in the utility model;

[0022] Legend:

[0023] 1. Mixing barrel; 2. Feeding port; 3. Discharge pipe; 31. Servo motor; 32. Screw rod; 4. Rotating drum; 41. Positioning rod; 42. Scraper; 5. Driven wheel; 6. Transmission belt; 7. Second transmission wheel; 8. Driving motor; 9. Positioning frame; 10. Second motor; 11. Rotating rod; 12. Gear; 13. Bevel gear; 14. Connecting rod; 15. Mixing claw. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in 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.

[0025] Specific examples are given below.

[0026] See also Figure 1 - Figure 5 The utility model provides an asphalt concrete mixing device, including a mixing barrel 1, wherein two feeding ports 2 are fixedly connected to the top of the mixing barrel 1. A discharge pipe 3 is fixedly connected to one side of the bottom of the mixing barrel 1. A rotating drum 4 is arranged inside the mixing barrel 1, and a plurality of positioning rods 41 are arranged in an array on the outer wall of the rotating drum 4. One end of each positioning rod 41 is fixedly connected to the rotating drum 4. And a scraper 42 is fixedly connected to the other end of each positioning rod 41. The plurality of scrapers 42 are arranged in a circular array through a plurality of positioning rods 41, and one side of each positioning rod 41 is fitted and connected to the inner wall of the mixing barrel 1. A connecting rod 14 is arranged between each two upper and lower adjacent positioning rods 41, and one end of each connecting rod 14 is rotatably connected to the inner wall of the rotating drum 4. The other ends of the plurality of connecting rods 14 are rotatably connected to the inner wall of the scraper 42. The outer wall of each connecting rod 14 is fixedly connected to a plurality of stirring claws 15. A positioning frame 9 is fixedly connected to the top of the mixing barrel 1, and a driving motor 8 is fixedly connected to the inner wall of one end of the positioning frame 9. The output shaft of the driving motor 8 is fixedly connected to the second transmission wheel 7, and the outer wall of the second transmission wheel 7 is rotatably connected to the transmission belt 6. The inner wall of the other end of the transmission belt 6 is rotatably connected to the driven wheel 5, and the inner wall of the driven wheel 5 is fixedly connected to the top of the rotating drum 4. The rotating drum 4 rotates inside the mixing barrel 1 through the driven wheel 5.

[0027] During operation, different raw materials can be simultaneously injected into the mixing barrel 1 through the two feed ports 2, and the positioning frame 9 is used to ensure the stability of the driving motor 8. Then the driving motor 8 is started, and the output shaft of the driving motor 8 is used to drive the second transmission wheel 7 to rotate, and then the transmission belt 6 is used to make the second transmission wheel 7 drive the driven wheel 5 to rotate when rotating. The rotating drum 4 can be driven to rotate inside the mixing barrel 1, and then the positioning rod 41 and the scraper 42 can be driven to rotate inside the mixing barrel 1. The multiple positioning rods 41 fixed on the outside of the rotating drum 4 are used to ensure the stability of the scraper 42, and the multiple positioning rods 41 can be used to stir the asphalt concrete inside the mixing barrel 1 horizontally. The scraper 42 can then be used to scrape and clean the asphalt concrete sticking to the inner wall of the mixing barrel 1, so as to facilitate the workers to clean the sticky asphalt concrete, reduce the labor intensity of the workers, and improve the practicality of the device. The multiple stirring claws 15 can be rotated inside the mixing barrel 1 by connecting the two ends of the multiple connecting rods 14 with the inside of the rotating drum 4 and the scraper 42. Furthermore, as the multiple stirring claws 15 rotate, the asphalt concrete can be stirred in multiple directions, thereby reducing the problem of uneven stirring during mixing and improving the mixing efficiency of the asphalt concrete.

[0028] Further, such as Figure 2 As shown, one end of the discharge pipe 3 is fixedly connected to a servo motor 31, and one end of the output shaft of the servo motor 31 is fixedly connected to a screw rod 32. The outer side of the screw rod 32 is in contact with the inner wall of the discharge pipe 3, and the screw rod 32 rotates inside the discharge pipe 3 through the output shaft of the servo motor 31.

[0029] During operation, after the mixing and stirring of the asphalt concrete is completed, the servo motor 31 is started, and the output shaft of the servo motor 31 is used to drive the screw rod 32 to rotate inside the discharge pipe 3. The rotation of the screw rod 32 can drive the asphalt concrete to move, so that the asphalt concrete is stably discharged from the discharge pipe 3, and the discharge pipe 3 is prevented from being blocked during discharge. The discharge efficiency of the device is improved, the smooth discharge of the asphalt concrete is ensured, manual intervention is reduced, and the practicality of the entire mixing and discharge process is improved.

[0030] Further, such as Figure 4 and Figure 5As shown, the inner wall at one end of the positioning frame 9 is fixedly connected to the second motor 10, and one end of the output shaft of the second motor 10 is fixedly connected to the rotating rod 11. The outer walls at both ends of the rotating rod 11 are rotatably connected to the inner walls at both ends of the second motor 10. The outer wall of the rotating rod 11 is fixedly connected to a plurality of gears 12, and the plurality of gears 12 are arranged in an array. And the plurality of gears 12 are arranged inside the rotating drum 4 through the rotating rod 11. The outer wall of each gear 12 is meshedly connected to a plurality of bevel gears 13, and the plurality of bevel gears 13 are arranged in a ring array through the gears 12. The inner wall of each bevel gear 13 is fixedly connected to the outer wall of a connecting rod 14, and each connecting rod 14 rotates on the inner wall of the rotating drum 4 through the bevel gear 13.

[0031] During operation, the second motor 10 is ensured to be stable by the positioning frame 9, and then the second motor 10 is started, and the output shaft of the second motor 10 is used to drive the rotating rod 11 to rotate, and the rotating drum 4 does not drive the rotating rod 11 to rotate when rotating, so that the rotating rod 11 can stably drive multiple gears 12 to rotate inside the rotating drum 4, and then drive multiple bevel gears 13 meshed with the outer wall of the gear 12 to rotate, and the bevel gear 13 is connected to one end of the connecting rod 14, so that the connecting rod 14 rotates synchronously when the bevel gear 13 rotates, and then the multiple stirring claws 15 can be stably driven to rotate between the multiple positioning rods 41, and the asphalt concrete can be stirred in all directions. It can achieve more uniform and efficient stirring, and at the same time reduce the instability caused by the rotation of the rotating drum 4, and improve the controllability and stirring quality of the stirring process.

[0032] Working principle: Different raw materials can be injected into the mixing barrel 1 at the same time through the two feeding ports 2, and the positioning frame 9 is used to ensure the stability of the driving motor 8 and the second motor 10. Then the driving motor 8 is started, and the output shaft of the driving motor 8 is used to drive the second transmission wheel 7 to rotate, and then the transmission belt 6 is used to make the second transmission wheel 7 drive the driven wheel 5 to rotate when rotating. The rotating drum 4 can be driven to rotate inside the mixing barrel 1, and then the positioning rod 41 and the scraper 42 can be driven to rotate inside the mixing barrel 1. The multiple positioning rods 41 fixed on the outside of the rotating drum 4 ensure the stability of the scraper 42, and the multiple positioning rods 41 can be used to stir the asphalt concrete inside the mixing barrel 1 horizontally. The scraper 42 can then be used to scrape and clean the asphalt concrete sticking to the inner wall of the mixing barrel 1. Then, the second motor 10 is started, and the output shaft of the second motor 10 is used to drive the rotating rod 11 to rotate, so that the rotating rod 11 can stably drive the multiple gears 12 to rotate inside the rotating drum 4, and then drive the multiple bevel gears 13 meshed with the outer wall of the gear 12 to rotate. By connecting the bevel gear 13 with one end of the connecting rod 14, the connecting rod 14 can rotate synchronously when the bevel gear 13 rotates, and then the multiple stirring claws 15 can be stably driven to rotate between the multiple positioning rods 41. Then, by connecting the two ends of the multiple connecting rods 14 with the rotating drum 4 and the inside of the scraper 42, the multiple stirring claws 15 can be rotated inside the mixing barrel 1, and the asphalt concrete can be mixed in all directions. After the mixing of the asphalt concrete is completed, the servo motor 31 is started, and the output shaft of the servo motor 31 is used to drive the spiral rod 32 to rotate inside the discharge pipe 3. The rotation of the spiral rod 32 can drive the asphalt concrete to move, so that the asphalt concrete is stably discharged from the discharge pipe 3, preventing the discharge pipe 3 from being blocked during discharge, and ensuring the smooth discharge of the asphalt concrete.

[0033] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. An asphalt concrete mixing device, comprising a mixing barrel (1), characterized in that: The top of the mixing barrel (1) is fixedly connected to two material inlets (2), and one side of the bottom of the mixing barrel (1) is fixedly connected to a discharge pipe (3). A rotating drum (4) is arranged inside the mixing barrel (1), and a plurality of positioning rods (41) are arranged in an array on the outer wall of the rotating drum (4). One end of each positioning rod (41) is fixedly connected to the rotating drum (4), and the other end of each positioning rod (41) is fixedly connected to a scraper (42). The plurality of scrapers (42) are arranged in an annular array via the plurality of positioning rods (41), and one side of each positioning rod (41) is fitted and connected to the inner wall of the mixing barrel (1). A connecting rod (14) is arranged between each two upper and lower adjacent positioning rods (41), and one side of each connecting rod (14) is fixedly connected to the inner wall of the mixing barrel (1). The end of the connecting rod (14) is rotatably connected to the inner wall of the rotating drum (4), the other ends of the plurality of connecting rods (14) are rotatably connected to the inner wall of the scraper (42), the outer wall of each of the connecting rods (14) is fixedly connected to a plurality of stirring claws (15), the top of the mixing drum (1) is fixedly connected to a positioning frame (9), the inner wall of one end of the positioning frame (9) is fixedly connected to a driving motor (8), the output shaft of the driving motor (8) is fixedly connected to a second transmission wheel (7), the outer wall of the second transmission wheel (7) is rotatably connected to a transmission belt (6), the inner wall of the other end of the transmission belt (6) is rotatably connected to a driven wheel (5), the inner wall of the driven wheel (5) is fixedly connected to the top of the rotating drum (4), and the rotating drum (4) rotates inside the mixing drum (1) via the driven wheel (5).

2. An asphalt concrete mixing device according to claim 1, characterized in that: One end of the discharge pipe (3) is fixedly connected to a servo motor (31), one end of the output shaft of the servo motor (31) is fixedly connected to a screw rod (32), the outer side of the screw rod (32) is in contact with the inner wall of the discharge pipe (3), and the screw rod (32) rotates inside the discharge pipe (3) via the output shaft of the servo motor (31).

3. An asphalt concrete mixing device according to claim 1, characterized in that: A second motor (10) is fixedly connected to the inner wall at one end of the positioning frame (9), a rotating rod (11) is fixedly connected to one end of the output shaft of the second motor (10), and outer walls at both ends of the rotating rod (11) are rotatably connected to inner walls at both ends of the second motor (10).

4. An asphalt concrete mixing device according to claim 3, characterized in that: A plurality of gears (12) are fixedly connected to the outer wall of the rotating rod (11), the plurality of gears (12) are arranged in an array, and the plurality of gears (12) are arranged inside the rotating drum (4) via the rotating rod (11).

5. An asphalt concrete mixing device according to claim 4, characterized in that: The outer wall of each gear (12) is meshedly connected with a plurality of bevel gears (13), and the plurality of bevel gears (13) are arranged in a ring array via the gears (12).

6. An asphalt concrete mixing device according to claim 5, characterized in that: The inner wall of each bevel gear (13) is fixedly connected to the outer wall of a connecting rod (14), and each connecting rod (14) rotates on the inner wall of the rotating drum (4) via the bevel gear (13).

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