An asphalt concrete production device with diabase

Abstract

The utility model discloses a kind of asphalt concrete production devices with diabase, relate to asphalt concrete production technical field.A kind of asphalt concrete production device with diabase, including concrete mixing tank, the top of concrete mixing tank is provided with material port, anti segregation structure, anti segregation structure is located on concrete mixing tank, anti segregation structure includes anti segregation mixing cylinder, feed pipe, two gear two, two mixed helix, stepper motor and support frame, two mixed helix in anti segregation mixing cylinder reverse rotation, preliminary mixing is realized to aggregate by shearing and pushing, avoid large particle and fine particle early stratification, and rotating tube animal material dispersion frame rotates, cooperate the throwing effect of material guide piece, further dispersed to the aggregate after preliminary mixing into the whole domain of concrete mixing tank, avoid material to produce center accumulation, segregation problem of edge sparse, further improve the production quality of concrete.

Description

Technical Field

[0001] This utility model relates to the field of asphalt concrete production technology, and in particular to an asphalt concrete production device containing diabase. Background Technology

[0002] In municipal road engineering, asphalt concrete has become the core material of the base structure due to its high strength and good stability. Among them, diabase has become the preferred aggregate for preparing high-performance asphalt concrete due to its high wear resistance of Mohs hardness 6 and excellent compressive strength.

[0003] In the continuous production of diabase asphalt concrete, after the aggregate is crushed and screened, it is prone to segregation due to differences in particle characteristics during belt conveying, chute transfer and storage. Large particles tend to aggregate towards the edges due to inertia, while fine particles are affected by airflow and aggregate in the middle, forming a clear "coarse on the outside and fine on the inside" stratification. This segregation can easily lead to insufficient asphalt coating in the coarse particle area and excessive asphalt in the fine particle area during subsequent asphalt mixing, resulting in uneven local mixing, which directly affects the overall performance of the asphalt concrete and makes it difficult to meet the production quality requirements. Therefore, we propose an asphalt concrete production device with diabase. Utility Model Content

[0004] The purpose of this invention is to at least solve one of the technical problems existing in the prior art, and to provide an asphalt concrete production device with diabase. This device can solve the problem that in the continuous production of diabase asphalt concrete, after the aggregate is crushed and screened, segregation easily occurs due to differences in particle characteristics during belt conveying, chute transfer and storage. Large particles tend to aggregate towards the edge due to inertia, while fine particles are affected by airflow and aggregate in the middle, forming obvious "coarse on the outside and fine on the inside" stratification. This segregation easily leads to insufficient asphalt coating in the coarse particle area and excessive asphalt in the fine particle area during subsequent asphalt mixing, resulting in uneven local mixing, which directly affects the overall performance of the asphalt concrete and makes it difficult to meet the production quality requirements.

[0005] To achieve the above objectives, this utility model provides the following technical solution: an asphalt concrete production apparatus containing diabase, comprising: A concrete mixing tank has a material inlet at the top, and a transmission groove is provided inside the material inlet. Anti-segregation structure, located on the concrete mixing tank; The anti-segregation structure includes an anti-segregation mixing cylinder, a feed pipe, two gears, two mixing screws, a stepper motor, and a support frame. The anti-segregation mixing cylinder is fixedly connected to the top of the concrete mixing tank and communicates with the interior of the feed inlet. The feed pipe is fixedly connected to the outer surface of the anti-segregation mixing cylinder and communicates with its interior. Both mixing screws are rotatably connected to the interior of the anti-segregation mixing cylinder, and the tips of both mixing screws rotatably extend to the top of the anti-segregation mixing cylinder and are fixedly connected to the corresponding gears. The support frame is fixedly connected to the top of the anti-segregation mixing cylinder, and the stepper motor is fixedly installed on the top of the support frame. The output end of the stepper motor rotatably extends into the interior of the support frame and is fixedly connected to the corresponding gear.

[0006] Preferably, the anti-segregation structure further includes a rotating motor, a gear, a rotating tube, a gear ring, and a material dispersing frame. The rotating tube is rotatably connected inside the feed inlet. The gear ring is fixedly sleeved on the outer surface of the rotating tube and slidably connected inside the transmission groove. The rotating motor is fixedly installed on the top of the concrete mixing tank. The output end of the rotating motor rotatably extends into the interior of the transmission groove and is fixedly connected to the gear. The gear and the gear ring are meshed inside the transmission groove. The material dispersing frame is fixedly connected to the bottom of the rotating tube, and multiple material guides are fixedly connected inside the material dispersing frame.

[0007] Preferably, a drive motor is fixedly installed on the top of the concrete mixing tank, and the output end of the drive motor extends into the interior of the concrete mixing tank and is fixedly connected to a mixing roller, which is rotatably connected to the interior of the concrete mixing tank.

[0008] Preferably, a scraper is fixedly connected to the outer surface of the mixing roller, and the scraper is in contact with the inner wall of the concrete mixing tank.

[0009] Preferably, a control box is fixedly installed on the outer surface of the concrete mixing tank.

[0010] Preferably, the plurality of the material guides are arranged in a circular array on the material dispersing rack.

[0011] Preferably, the material dispersing rack is a planar dispersing rack, and the material guide is a rectangular guide plate.

[0012] Preferably, the material dispersing rack is a conical dispersing rack, and the material guide is a trapezoidal guide plate.

[0013] Compared with the prior art, the beneficial effects of this utility model are: 1. This asphalt concrete production device with diabase features two counter-rotating mixing spirals inside the anti-segregation mixing drum. Through shearing and pushing, the aggregates are initially mixed, preventing premature stratification between large and fine particles. Meanwhile, the rotating pipe drives the material dispersion rack to rotate, which, together with the throwing action of the material guide, further disperses the initially mixed aggregates throughout the entire concrete mixing tank. This prevents segregation problems such as material accumulation in the center and sparseness at the edges, thus further improving the production quality of concrete. Attached Figure Description

[0014] The present invention will be further described below with reference to the accompanying drawings and embodiments: Figure 1 This is a three-dimensional structural diagram of the present invention; Figure 2 This is a schematic cross-sectional view of the concrete mixing tank of this utility model. Figure 3 This is a schematic diagram of the gear structure of this utility model; Figure 4 This is a schematic cross-sectional view of the anti-segregation mixing cylinder of this utility model; Figure 5 This is a schematic diagram of the guide plate structure of this utility model; Figure 6 This is a schematic diagram of the cross-sectional structure of the rotating tube of this utility model.

[0015] Reference numerals in the attached diagram: 1. Concrete mixing tank; 2. Control box; 3. Anti-segregation mixing drum; 4. Drive motor; 5. Rotary motor; 6. Feed pipe; 7. Mixing roller; 8. Scraper; 9. Transmission groove; 10. Material inlet; 11. Gear 1; 12. Rotary tube; 13. Gear ring; 14. Material dispersing rack; 15. Stepper motor; 16. Support frame; 17. Gear 2; 18. Mixing screw; 19. Material guide. Detailed Implementation

[0016] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0017] In the description of this utility model, it should be understood that the directional descriptions, such as up, down, front, back, left, right, etc., indicate the directional or positional relationship based on the directional or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0018] In the description of this utility model, terms such as greater than, less than, and exceeding are understood to exclude the stated number, while terms such as above, below, and within are understood to include the stated number. The use of terms like "first" and "second" is merely for distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly indicating the quantity or sequence of the indicated technical features.

[0019] In the description of this utility model, unless otherwise explicitly defined, terms such as "setting," "installation," and "connection" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this utility model in conjunction with the specific content of the technical solution.

[0020] Concrete mixing tank 1: As the core container for mixing asphalt concrete, it has a material inlet 10 at the top for material to enter, and the interior houses components such as mixing rollers 7, providing space for the mixing process; Material inlet 10: Located at the top of the concrete mixing tank 1, it connects the anti-segregation mixing cylinder 3 with the inside of the concrete mixing tank 1 and serves as the channel for materials to enter the mixing tank. The transmission groove 9 inside provides installation and movement space for the gear ring 13. Transmission groove 9: It is opened inside the feed port 10, so as to allow the toothed ring 13 to slide and the gear 11 to mesh with the toothed ring 13 for transmission, and to limit the movement trajectory of the toothed ring 13. Anti-segregation mixing cylinder 3: It is fixedly connected to the top of the concrete mixing tank 1 and communicates with the material inlet 10. Two mixing spirals 18 are installed inside to perform preliminary mixing of the incoming material to prevent segregation. Feed pipe 6: It is fixedly connected to the outer surface of the anti-segregation mixing cylinder 3 and communicates with its interior. It is the channel for materials such as diabase aggregate to enter the anti-segregation mixing cylinder 3. Gear 2 17: There are two gears, which are fixedly connected to the top of the two mixing spirals 18 respectively. One of them is fixedly connected to the output end of the stepper motor 15. Through the meshing transmission of the two gears 2 17, the two mixing spirals 18 can rotate in opposite directions. Mixing spiral 18: Rotary connection inside the anti-segregation mixing cylinder 3, rotates in the opposite direction driven by gear 17, and performs preliminary mixing of materials through shearing and pushing action, breaking the natural stratification of large and fine particles; Stepper motor 15: It is fixedly installed on the top of the support frame 16, and its output end is fixedly connected to the corresponding gear 17, providing power for the rotation of gear 17 and the hybrid screw 18; Support frame 16: Fixedly connected to the top of the anti-segregation mixing cylinder 3, used to support and fix the stepper motor 15 to ensure its stable operation; Rotary motor 5: It is fixedly installed on the top of the concrete mixing tank 1, and its output end is fixedly connected to gear 11 to provide power for the rotation of gear 11; Gear 11: Fixedly connected to the output end of the rotating motor 5, located inside the transmission groove 9 and meshing with the gear ring 13, transmitting the power of the rotating motor 5 to the gear ring 13; Rotating tube 12: Rotatably connected inside the feed inlet 10, with a toothed ring 13 fixedly sleeved on its outer surface and a material dispersing frame 14 connected to its bottom. It rotates under the drive of the toothed ring 13, thereby realizing the rotation of the material dispersing frame 14. Gear ring 13: It is fixedly sleeved on the outer surface of the rotating tube 12, slidably connected inside the transmission groove 9 and meshing with gear 11. It rotates under the drive of gear 11, thereby driving the rotating tube 12 to rotate. Material dispersing rack 14: Fixedly connected to the bottom of rotating tube 12, with multiple material guides 19 fixed inside. Rotates with rotating tube 12, and the material guides 19 evenly disperse the material to the surrounding area to prevent the material from accumulating and segregating at the material inlet 10. It can adopt a planar or conical structure. Drive motor 4: It is fixedly installed on the top of the concrete mixing tank 1, and its output end is fixedly connected to the mixing roller 7 to provide power for the rotation of the mixing roller 7; Mixing roller 7: Rotatably connected inside the concrete mixing tank 1, driven by the drive motor 4 to rotate, deeply mixing the materials entering the mixing tank with the asphalt; Scraper 8: Fixedly connected to the outer surface of the mixing roller 7, in contact with the inner wall of the concrete mixing tank 1, and rotates with the mixing roller 7 to scrape off the material adhering to the inner wall of the mixing tank to prevent material residue; Control box 2: It is fixedly installed on the outer surface of the concrete mixing tank 1 and is used to control the operation of components such as stepper motor 15, rotary motor 5 and drive motor 4 to ensure that the processes are carried out in a coordinated manner; Material guide 19: It is fixed in a circular array inside the material dispersing rack 14. As the material dispersing rack 14 rotates, it guides the material to the surrounding area to achieve uniform distribution. Rectangular or trapezoidal guide plates can be used depending on the structure of the material dispersing rack 14.

[0021] Example 1: like Figure 1-5 As shown, the material dispersing rack 14 is a planar dispersing rack, and the material guide 19 is a rectangular guide plate evenly distributed in the radial direction.

[0022] The mixing spiral 18 inside the anti-segregation mixing cylinder 3 adopts a double spiral reverse rotation design.

[0023] After being crushed and screened, the diabase aggregate, with large particles of 3-5mm and fine particles of 0-0.6mm, enters the anti-segregation mixing cylinder 3 through the feed pipe 6. The double spirals rotate in opposite directions to initially mix the aggregate, which then falls into the planar dispersion rack. The rectangular guide plate evenly disperses the aggregate around the tank to avoid segregation caused by concentrated falling.

[0024] Suitable for scenarios where the gradation deviation of diabase aggregate is small, the planar dispersion rack reduces the stratification of aggregate in the radial direction of the tank, thereby improving the uniformity of mixing.

[0025] Example 2: like Figure 6 As shown, the material dispersing rack 14 is a conical dispersing rack, and the material guide 19 is a trapezoidal guide plate with the same inclination angle as the conical surface.

[0026] The rotational speed of the rotating tube 12 was increased to 30 r / min, while in Example 1 it was 15 r / min.

[0027] To address the issue of diabase aggregate segregation due to differences in particle kinetic energy, a conical dispersion rack utilizes inclined surfaces to increase the aggregate's falling path, while trapezoidal guide plates further disperse the aggregate through a variable cross-section design. A high-speed rotating tube 12 creates a vortex in the aggregate at the center of the tank, enhancing radial mixing.

[0028] It effectively solves the problem of "coarse exterior and fine interior" and is suitable for production scenarios with high diabase content and large gradation deviation.

[0029] Furthermore, when using this device, the material enters the anti-segregation mixing cylinder 3 through the feed pipe 6, and the stepper motor 15 on the support frame 16 is started. Its output end drives the corresponding gear 17 to rotate. Through gear meshing, the other gear 17 is driven to rotate synchronously in the opposite direction, thereby driving the two mixing spirals 18 to rotate in the opposite direction in the anti-segregation mixing cylinder 3. The mixing spirals 18, through shearing and pushing action, initially mix the large particles and fine particles in the aggregate that are prone to segregation, breaking the natural stratification.

[0030] After initial mixing, the aggregate enters the rotating tube 12 inside the feed inlet 10 through the anti-segregation mixing cylinder 3. The rotating motor 5 is started, and its output end drives the gear 11 to rotate in the transmission groove 9. Through meshing with the gear ring 13, the rotating tube 12 is driven to rotate. The material dispersion rack 14 at the bottom of the rotating tube 12 rotates synchronously with it. Multiple material guides 19 arranged in a circular array on it evenly disperse the aggregate in all directions, avoiding accumulation and segregation at the feed inlet 10.

[0031] After dispersion, the aggregate enters the concrete mixing tank 1. The drive motor 4 is started, and its output end drives the mixing roller 7 to rotate, which deeply mixes the aggregate and asphalt. The scraper 8 on the outer surface of the mixing roller 7 contacts the inner wall of the concrete mixing tank 1 to prevent material from adhering and remaining. The control box 2 controls the operation of each motor in a linkage manner to ensure that the anti-segregation, dispersion and mixing processes are carried out in a coordinated manner.

[0032] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. An asphalt concrete production apparatus containing diabase, characterized in that, include: A concrete mixing tank (1) is provided with a material inlet (10) at the top and a transmission groove (9) is provided inside the material inlet (10). Anti-segregation structure, the anti-segregation structure is located on the concrete mixing tank (1); The anti-segregation structure includes an anti-segregation mixing cylinder (3), a feed pipe (6), two gears (17), two mixing screws (18), a stepper motor (15), and a support frame (16). The anti-segregation mixing cylinder (3) is fixedly connected to the top of the concrete mixing tank (1) and communicates with the inside of the feed inlet (10). The feed pipe (6) is fixedly connected to the outer surface of the anti-segregation mixing cylinder (3) and communicates with its interior. Two mixing spirals (18) are rotatably connected inside the anti-segregation mixing cylinder (3). The top ends of the two mixing spirals (18) extend to the top of the anti-segregation mixing cylinder (3) and are fixedly connected to the corresponding gear two (17). The support frame (16) is fixedly connected to the top of the anti-segregation mixing cylinder (3). The stepper motor (15) is fixedly installed on the top of the support frame (16). The output end of the stepper motor (15) extends into the interior of the support frame (16) and is fixedly connected to the corresponding gear two (17).

2. The asphalt concrete production apparatus containing diabase according to claim 1, characterized in that: The anti-segregation structure also includes a rotating motor (5), a gear (11), a rotating tube (12), a toothed ring (13), and a material dispersing rack (14). The rotating tube (12) is rotatably connected to the inside of the material inlet (10), the toothed ring (13) is fixedly sleeved on the outer surface of the rotating tube (12), and the toothed ring (13) is slidably connected to the inside of the transmission groove (9). Among them, the rotating motor (5) is fixedly installed on the top of the concrete mixing tank (1). The output end of the rotating motor (5) extends into the interior of the transmission groove (9) and is fixedly connected to the gear (11). The gear (11) meshes with the gear ring (13) inside the transmission groove (9). The material dispersing rack (14) is fixedly connected to the bottom of the rotating tube (12). Multiple material guides (19) are fixedly connected inside the material dispersing rack (14).

3. The asphalt concrete production apparatus containing diabase according to claim 1, characterized in that: A drive motor (4) is fixedly installed on the top of the concrete mixing tank (1). The output end of the drive motor (4) extends into the interior of the concrete mixing tank (1) and is fixedly connected to a mixing roller (7). The mixing roller (7) is rotatably connected to the interior of the concrete mixing tank (1).

4. The asphalt concrete production apparatus containing diabase according to claim 3, characterized in that: A scraper (8) is fixedly connected to the outer surface of the mixing roller (7), and the scraper (8) is in contact with the inner wall of the concrete mixing tank (1).

5. The asphalt concrete production apparatus containing diabase according to claim 1, characterized in that: A control box (2) is fixedly installed on the outer surface of the concrete mixing tank (1).

6. The asphalt concrete production apparatus containing diabase according to claim 2, characterized in that: Multiple material guides (19) are arranged in a circular array on the material distribution rack (14).

7. The asphalt concrete production apparatus containing diabase according to claim 2, characterized in that: The material dispersing rack (14) is a planar dispersing rack, and the material guide (19) is a rectangular guide plate.

8. The asphalt concrete production apparatus containing diabase according to claim 2, characterized in that: The material dispersing rack (14) is a conical dispersing rack, and the material guide (19) is a trapezoidal guide plate.

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