Powder feeding device of asphalt mixing equipment

By introducing a stirring device and vibrator into the asphalt stirring equipment, the problems of arching and pulsing of the powder supply device and the flow pulsation are solved, and the uniform supply and precise control of the powder are achieved.

CN223087115UActive Publication Date: 2025-07-11河南华林建设有限公司
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Patent Information

Application Number
CN202422212061.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-10
Publication Date
2025-07-11
Estimated Expiration
2034-09-10

AI Technical Summary

Technical Problem

The powder supply device of the existing asphalt mixing equipment is prone to arching and pulsation of the material flow during the discharge, which affects the accuracy of the powder supply.

Method used

The combination of agitator and a vibrator is adopted to design, and the powder is dispersed through the mixing rod of the agitator and compressed air, and the powder is flowed out evenly through the vibrator to prevent the arching phenomenon.

Benefits of technology

Effectively eliminate the phenomenon of powder arching, ensure uniform flow of powder, improve supply accuracy, and prevent blockage.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223087115U_ABST
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Abstract

The utility model discloses a powder feeding device of asphalt mixing equipment, and relates to the technical field of pavement engineering machinery, in particular to the powder feeding device of the asphalt mixing equipment, which comprises a cover plate, a conical barrel is fixedly connected to the lower surface of the cover plate, and a supporting mechanism is fixedly connected to the outer surface of the conical barrel. A conical inner cylinder is fixedly connected to the lower surface of the cover plate, a vibrator is fixedly connected to the outer surface of the conical inner cylinder, a through hole is formed in the upper surface of the cover plate, a stirring device is movably connected into the through hole, and compressed air is fixedly connected to one end of the stirring device. Through the cooperative arrangement of compressed air and the stirring rod, powder can be scattered in the using process, so that the arching phenomenon generated when the powder is stacked at the discharging opening is prevented, through the arrangement of the vibrator, the powder can make full contact with the air in the discharging process, the powder is fluidized and evenly flows out along the conical inner barrel, and therefore the powder can be evenly discharged. The material quantity and the supply precision can be controlled.
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Description

Technical Field

[0001] The utility model relates to the technical field of road construction machinery, in particular to a powder supply device for an asphalt mixing equipment. Background Technique

[0002] During the processing of powder materials, it is usually necessary to involve the transfer of processes, from one process to another. Due to the conical structure at the lower part of the current powder supply device of asphalt mixing equipment, arching is likely to occur when the powder is discharged, and the material flow will have a periodic pulsation phenomenon, seriously affecting the accuracy of the supplied powder. Content of the Utility Model

[0003] (I) Technical Problems to be Solved

[0004] Aiming at the deficiencies of the prior art, the utility model provides a powder supply device for an asphalt mixing equipment, which solves the problems put forward in the above background technique.

[0005] (II) Technical Solutions

[0006] To achieve the above purposes, the utility model is realized through the following technical solutions: A powder supply device for an asphalt mixing equipment, including a cover plate, the lower surface of the cover plate is fixedly connected with a conical cylinder, the outer surface of the conical cylinder is fixedly connected with a support mechanism, the lower surface of the cover plate is fixedly connected with a conical inner cylinder, the outer surface of the conical inner cylinder is fixedly connected with a vibrator, a through hole is opened on the upper surface of the cover plate, a stirring device is movably connected in the through hole, one end of the stirring device is fixedly connected with compressed air, the upper surface of the compressed air is fixedly connected with a motor, the upper surface of the cover plate is fixedly connected with a material pipe, the upper surface of the material pipe is fixedly connected with a feed inlet, the bottom of the conical inner cylinder is fixedly connected with a discharge port, and the bottom of the discharge port is threadedly connected with a material cover.

[0007] Optionally, the support mechanism includes a bracket, a fixing rod, a first fixing ring, a second fixing ring and a cross bar. The inner side wall of the bracket is fixedly connected with the fixing rod, one end of the fixing rod is fixedly connected with the first fixing ring, the side of the bracket is fixedly connected with the cross bar, one side of the cross bar is fixedly connected with the fixing rod, and one end of the fixing rod is fixedly connected with the second fixing ring.

[0008] Optionally, there are eight fixing rods, one end of four of the fixing rods is fixedly connected with the first fixing ring, and one end of the other four fixing rods is fixedly connected with the second fixing ring.

[0009] Optionally, the stirring device includes a stirring shaft, stirring rods, a first air duct, a second air duct, and an air outlet. The bottom of the compressed air is fixedly connected to the stirring shaft. A first air duct is provided inside the stirring shaft. One side of the stirring shaft is fixedly connected to the stirring rods. A second air duct is provided inside the stirring rods. An air outlet is provided at the bottom of the second air duct.

[0010] Optionally, there are two groups of the stirring rods. The lengths of the two groups of stirring rods are different. One group of the stirring rods has four.

[0011] Optionally, there are four vibrators. The four vibrators are arranged in a circular array on the outer surface of the conical inner cylinder.

[0012] (III) Beneficial effects

[0013] The utility model provides a powder supply device for an asphalt mixing equipment, which has the following beneficial effects:

[0014] 1. For the powder supply device for the asphalt mixing equipment, through the arrangement of the stirring device, the powder supply device has the effect of eliminating the powder arching phenomenon. Through the combined arrangement of the compressed air and the stirring rods, the powder can be dispersed during use, thereby preventing the powder from arching when it accumulates at the discharge port.

[0015] 2. For the powder supply device for the asphalt mixing equipment, through the arrangement of the vibrators, when the powder is fed, it can be fully contacted with the air, making the powder fluidized and flowing out evenly along the conical inner cylinder, and the material quantity and supply accuracy can be controlled. Description of the drawings

[0016] Figure 1 is a schematic structural diagram of the utility model;

[0017] Figure 2 is a schematic cross-sectional structure diagram of the conical cylinder of the utility model;

[0018] Figure 3 is Figure 2 a partial enlarged structural diagram of A in

[0019] Figure 4 is a schematic front view structural diagram of the utility model;

[0020] Figure 5 is a schematic structural diagram of the support mechanism of the utility model.

[0021] In the figure: 1. Cover plate; 2. Conical cylinder; 3. Conical inner cylinder; 4. Stirring device; 401. Stirring shaft; 402. Stirring rod; 403. First air duct; 404. Second air duct; 405. Air outlet; 5. Compressed air; 6. Vibrator; 7. Motor; 8. Material pipe; 9. Feed inlet; 10. Discharge outlet; 11. Material cover; 12. Support mechanism; 121. Bracket; 122. Fixed rod; 123. First fixing ring; 124. Second fixing ring; 125. Cross bar. Detailed implementation manners

[0022] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments.

[0023] Please refer to Figures 1 to 4 , the present invention provides a technical solution: a powder supply device for an asphalt mixing equipment, including a cover plate 1. The lower surface of the cover plate 1 is fixedly connected with a conical cylinder 2. The outer surface of the conical cylinder 2 is fixedly connected with a support mechanism 12. The lower surface of the cover plate 1 is fixedly connected with a conical inner cylinder 3. The outer surface of the conical inner cylinder 3 is fixedly connected with a vibrator 6. A through hole is opened on the upper surface of the cover plate 1. A stirring device 4 is movably connected in the through hole. One end of the stirring device 4 is fixedly connected with compressed air 5. The upper surface of the compressed air 5 is fixedly connected with a motor 7. The upper surface of the cover plate 1 is fixedly connected with a material pipe 8. The upper surface of the material pipe 8 is fixedly connected with a feed inlet 9. The bottom of the conical inner cylinder 3 is fixedly connected with a discharge outlet 10. The bottom of the discharge outlet 10 is threadedly connected with a material cover 11. The support mechanism 12 includes a bracket 121, a fixed rod 122, a first fixing ring 123, a second fixing ring 124 and a cross bar 125. The inner side wall of the bracket 121 is fixedly connected with the fixed rod 122. One end of the fixed rod 122 is fixedly connected with the first fixing ring 123. The side of the bracket 121 is fixedly connected with the cross bar 125. One side of the cross bar 125 is fixedly connected with the fixed rod 122. One end of the fixed rod 122 is fixedly connected with the second fixing ring 124. There are eight fixed rods 122. One end of four fixed rods 122 is fixedly connected with the first fixing ring 123, and one end of the other four fixed rods 122 is fixedly connected with the second fixing ring 124. The stirring device 4 includes a stirring shaft 401, a stirring rod 402, a first air duct 403, a second air duct 404 and an air outlet 405. The bottom of the compressed air 5 is fixedly connected with the stirring shaft 401. A first air duct 403 is opened inside the stirring shaft 401. One side of the stirring shaft 401 is fixedly connected with the stirring rod 402. A second air duct 404 is opened inside the stirring rod 402. An air outlet 405 is opened at the bottom of the second air duct 404. There are two groups of stirring rods 402. The lengths of the two groups of stirring rods 402 are different. One group of stirring rods 402 has four. There are four vibrators 6. The four vibrators 6 are arranged in a circular array on the outer surface of the conical inner cylinder 3.

[0024] During use, pour the powder material into the material pipe 8 from the feed inlet 9. After passing through the buffering of the material pipe 8, it enters the conical inner cylinder 3. Start the motor 7 to make the stirring device 4 rotate and stir the powder material. At the same time, start the compressed air 5 to release air into the first air duct 403, enter each second air duct 404 from the first air duct 403, and spray out from the air outlet 405 at the bottom of each second air duct 404 to stir and break up the powder material, preventing the arching phenomenon from occurring and causing the powder material to be unable to be normally supplied to the asphalt mixing equipment. At the same time, start the vibrator 6 through the controller to make the vibrator 6 drive the conical inner cylinder 3 to vibrate, thereby driving the internal powder material to vibrate, making the powder material looser, preventing blockage at the discharge port 10, facilitating the smooth discharge of the powder material, and opening the material cover 11 to discharge the powder material in the conical inner cylinder 3.

[0025] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution of the present invention and its inventive concept, makes equivalent substitutions or changes, and should be covered by the protection scope of the present invention.

Claims

1. A powder supply device for an asphalt mixing equipment, comprising a cover plate (1), characterized in that: The lower surface of the cover plate (1) is fixedly connected with a conical cylinder (2), the outer surface of the conical cylinder (2) is fixedly connected with a support mechanism (12), the lower surface of the cover plate (1) is fixedly connected with a conical inner cylinder (3), the outer surface of the conical inner cylinder (3) is fixedly connected with a vibrator (6), a through hole is formed in the upper surface of the cover plate (1), a stirring device (4) is movably connected in the through hole, one end of the stirring device (4) is fixedly connected with compressed air (5), the upper surface of the compressed air (5) is fixedly connected with a motor (7), the upper surface of the cover plate (1) is fixedly connected with a material pipe (8), the upper surface of the material pipe (8) is fixedly connected with a feed inlet (9), the bottom of the conical inner cylinder (3) is fixedly connected with a discharge port (10), and the bottom of the discharge port (10) is threadedly connected with a material cover (11).

2. The powder supply device of an asphalt mixing equipment according to claim 1, wherein: The support mechanism (12) includes a bracket (121), a fixed rod (122), a first fixing ring (123), a second fixing ring (124) and a cross bar (125). The inner side wall of the bracket (121) is fixedly connected with the fixed rod (122), one end of the fixed rod (122) is fixedly connected with the first fixing ring (123), the side of the bracket (121) is fixedly connected with the cross bar (125), one side of the cross bar (125) is fixedly connected with the fixed rod (122), and one end of the fixed rod (122) is fixedly connected with the second fixing ring (124).

3. The powder supply device of an asphalt mixing equipment according to claim 2, characterized in that: There are eight fixed rods (122). One end of four of the fixed rods (122) is fixedly connected with the first fixing ring (123), and one end of the other four fixed rods (122) is fixedly connected with the second fixing ring (124).

4. The powder supply device for an asphalt mixing equipment according to claim 1, wherein: The stirring device (4) includes a stirring shaft (401), stirring rods (402), a first air duct (403), a second air duct (404) and an air outlet (405). The bottom of the compressed air (5) is fixedly connected with the stirring shaft (401), a first air duct (403) is formed inside the stirring shaft (401), a stirring rod (402) is fixedly connected to one side of the stirring shaft (401), a second air duct (404) is formed inside the stirring rod (402), and an air outlet (405) is formed at the bottom of the second air duct (404).

5. The powder supply device of an asphalt mixing equipment according to claim 4, characterized in that: There are two groups of stirring rods (402). The lengths of the two groups of stirring rods (402) are different, and one group of stirring rods (402) has four.

6. The powder supply device of an asphalt mixing equipment according to claim 1, characterized in that: There are four vibrators (6), and the four vibrators (6) are arranged in a circular array on the outer surface of the conical inner cylinder (3).