Asphalt mastic stirring device

Abstract

The asphalt mastic stirring device comprises a rack, a stirring bin is arranged in the middle of the rack; a rotating shaft is arranged in the stirring bin and extends to one side of the rack; the rack is provided with a first motor relative to the rotating shaft to drive the rotating shaft to rotate; a plurality of stirring arms are fixedly arranged on the rotating shaft in the stirring bin; a discharge port is formed in one side, away from the first motor, of the stirring bin; a cylinder is arranged on the upper side of the discharge hole; a cylinder head of the air cylinder is connected with a discharging baffle; a feeding hole is formed in the top of the stirring bin; an auxiliary feeder is arranged at the feeding hole in the top of the stirring bin; scraping plates extending towards two sides are arranged at positions, attached to two side walls, of the rotating shaft in the stirring bin; and scrapers are connected between the two opposite ends of the two scraping plates. According to the utility model, the rotating shaft rotates to drive the scraping plate and the scraper to scrape asphalt on the inner wall of the stirring bin for reuse, so that the waste of materials can be effectively reduced, and meanwhile, the device does not need to be shut down to clean the inner wall of the stirring bin in the continuous asphalt stirring process, so that the overall asphalt stirring efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to asphalt processing device field, especially relate to a kind of asphalt mastic stirring device. BACKGROUND

[0002] Asphalt mastic stirring device is mainly used for mixing and processing of asphalt, which uniformly mixes asphalt, additives and aggregates such as gravel and sand by stirring, to generate finished asphalt mastic meeting construction requirements, which is used for road paving, road maintenance and other construction. Since asphalt has high viscosity and adhesion, a large amount of asphalt will adhere to the inner wall of the stirring device during the process of mixing and processing by the asphalt mastic stirring device. It is difficult to discharge from the discharge port after the mixing of asphalt is completed, resulting in waste of materials. It is difficult to clean the stirring device, and the cleaning efficiency is low. The labor intensity of workers is large, and the subsequent asphalt mixing work is affected, which affects the overall construction progress. The additives usually have certain caking phenomenon. During the mixing and stirring process of asphalt and other aggregates, the additives are difficult to be dispersed, resulting in uneven distribution of the mixture, affecting the adhesion of the finished asphalt mastic, and causing the quality of the road surface to decrease during use. SUMMARY

[0003] The utility model aims at providing an asphalt mastic stirring device to solve the technical problem that since asphalt has high viscosity and adhesion, a large amount of asphalt will adhere to the inner wall of the stirring device during the process of mixing and processing by the asphalt mastic stirring device. It is difficult to discharge from the discharge port after the mixing of asphalt is completed, resulting in waste of materials. It is difficult to clean the stirring device, and the cleaning efficiency is low. The labor intensity of workers is large, and the subsequent asphalt mixing work is affected, which affects the overall construction progress. The additives usually have certain caking phenomenon. During the mixing and stirring process of asphalt and other aggregates, the additives are difficult to be dispersed, resulting in uneven distribution of the mixture, affecting the adhesion of the finished asphalt mastic, and causing the quality of the road surface to decrease during use.

[0004] To achieve the above-mentioned purpose, the specific technical scheme of the asphalt mastic stirring device of the utility model is as follows:

[0005] A mastic asphalt mixing device comprises a frame; a mixing chamber is provided in the middle of the frame; a rotating shaft is provided in the mixing chamber and extends to one side of the frame; a first motor is provided on the frame relative to the rotating shaft to drive the rotating shaft to rotate; a plurality of stirring arms are fixedly provided on the rotating shaft in the mixing chamber; a discharge port is provided on the side of the mixing chamber away from the first motor; a cylinder is provided on the upper side of the discharge port; a discharge baffle is connected to the cylinder head; a feed port is provided on the top of the mixing chamber; an auxiliary feeder is provided on the top of the mixing chamber at the feed port position; scrapers extending to both sides are provided on the rotating shaft at positions in contact with both side walls in the mixing chamber; and scrapers are connected between the opposite ends of the two scrapers.

[0006] Furthermore, the auxiliary feeder includes a feed hopper; two crushing knife groups are arranged in the feed hopper for relative rotation; a second motor is provided on one side of the feed hopper to drive a relative crushing knife group to rotate; and linkage gears are provided near one end of the two crushing knife groups for meshing connection.

[0007] Furthermore, the scraper is arranged to fit the inner wall of the mixing chamber.

[0008] Furthermore, the scraper is spirally arranged.

[0009] The utility model discloses an asphalt mastic stirring device with the following advantages: scrapers are provided at both ends of a mixing chamber through a rotating shaft, and a scraper is connected between the two scrapers. When the rotating shaft rotates to drive the stirring arm to stir and mix the asphalt mixture in the mixing chamber, the two scrapers rotate with the rotating shaft to scrape off the asphalt adhered to the inner walls of the mixing chamber on both sides, and at the same time, the scraper scrapes off the asphalt adhered to the inner wall of the mixing chamber and remixes it into the asphalt mixture, so that the asphalt mixture in the mixing chamber is mixed more evenly, and the stirring effect of the whole device is improved. Moreover, the asphalt on the inner wall of the mixing chamber can be scraped off and reused by the scrapers and scrapers, which can effectively reduce the waste of materials. At the same time, during the continuous asphalt mixing operation, there is no need to stop the device to clean the inner wall of the mixing chamber, which improves the overall The efficiency of the asphalt mixing work of the whole body is improved, and the problem of asphalt adhering to the inner wall of the mixing chamber for a long time and being difficult to clean, which requires overall maintenance in the later stage, is avoided. An auxiliary feeder is provided at the feed port of the mixing chamber. When asphalt raw materials and additives are added into the mixing chamber through the auxiliary feeder, the two crushing knife groups are driven to rotate in opposite directions by the cooperation of the second motor and the two linkage gears, and the lumps of additives passing through the feed hopper are crushed. The additives after the lumps are crushed are easier to mix with other raw materials such as aggregates, so that the asphalt is evenly dispersed in the mixing chamber, the mixing time is reduced, and the efficiency of the mixing work is improved. After the additive lumps are crushed, the asphalt can be ensured to be evenly distributed in the mixing chamber, which can effectively avoid the agglomeration of asphalt mixture, improve the mixing uniformity, and optimize the mixing quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0011] Figure 2 Figure 2 is a schematic view of the installation structure of the discharge port of the present application;

[0012] Figure 3 Figure 3 is a schematic view of the installation structure of the auxiliary feeder of the present application;

[0013] Figure 4 Figure 4 is a schematic view of the internal structure profile of the stirring bin of the present application;

[0014] Marked in the figure: 1, rack; 2, stirring bin; 3, rotating shaft; 4, first motor; 5, stirring arm; 6, discharge port; 7, air cylinder; 8, discharge baffle; 9, feed inlet; 10, auxiliary feeder; 11, scraper; 12, scraper knife; 13, feed hopper; 14, crushing knife group; 15, second motor; 16, linkage gear. DETAILED DESCRIPTION

[0015] In order to better understand the purpose, structure and function of the present application, the present application of a kind of asphalt mastic stirring device will be further described in detail in conjunction with the drawings.

[0016] As Figures 1-4 shown, the present application of a kind of asphalt mastic stirring device, including rack 1;Rack 1 middle part is provided with stirring bin 2;Stirring bin 2 is provided with rotating shaft 3 extending to one side of rack 1;Rack 1 is provided with first motor 4 relative to rotating shaft 3 driving rotating shaft 3 rotation;Rotating shaft 3 is fixedly provided with a plurality of stirring arms 5 in stirring bin 2;Stirring bin 2 is provided with discharge port 6 away from first motor 4 side;Discharge port 6 upper side is provided with air cylinder 7;Air cylinder 7 cylinder head is connected and provided with discharge baffle 8;Stirring bin 2 top is provided with feed inlet 9;Stirring bin 2 top is provided with auxiliary feeder 10 at feed inlet 9 position;Rotating shaft 3 is provided with two side wall positions in stirring bin 2 and is provided with scraper 11 extending to both sides;Two scrapers 11 are connected and provided with scraper knife 12 between two ends, and scraper knife 12 is provided with stirring bin 2 inner wall.

[0017] Combined Figures 1-4As shown, in use, the asphalt raw materials, additives and other aggregate raw materials are added into the stirring bin 2 through the feeding port 9 of the stirring bin 2, the first motor 4 is started, the rotating shaft 3 is driven to rotate by the first motor 4, and the stirring arms 5 are driven to rotate to mix the asphalt, additives and various aggregates in the stirring bin 2 uniformly. In the process of rotating the rotating shaft 3 to drive the plurality of stirring arms 5 to stir the asphalt mixture, the two scrapers 11 rotate with the rotating shaft 3 to scrape off the asphalt adhered to the inner walls of the stirring bin 2 on both sides, and the scraper 12 scrapes off the asphalt adhered to the inner walls of the stirring bin 2, and then mixes the asphalt into the asphalt mixture, so that the asphalt mixture in the stirring bin 2 is mixed more uniformly, the stirring effect of the whole device is improved, the asphalt adhered to the inner walls of the stirring bin 2 is scraped off by the scrapers 11 and the scraper 12 and then reused, which can effectively reduce the waste of materials, and the cleaning work of the inner walls of the stirring bin 2 is not required during the continuous asphalt stirring work, the efficiency of the whole asphalt stirring work is improved, and the problem of difficult cleaning of the asphalt adhered to the inner walls of the stirring bin 2 for a long time and the need for overall maintenance in the later period is avoided.

[0018] The auxiliary feeder 10 includes a feeding hopper 13, two crushing knife groups 14 are arranged opposite to each other in the feeding hopper 13, a second motor 15 is arranged on one side of the feeding hopper 13 to drive one of the opposite crushing knife groups 14 to rotate, and the two crushing knife groups 14 are arranged close to each other at one end and are connected by meshing through linkage gears 16. The auxiliary feeder 10 is arranged at the position of the feeding port 9 of the stirring bin 2, and the asphalt raw materials and additives are added into the stirring bin 2 through the auxiliary feeder 10. The two crushing knife groups 14 are driven to rotate towards each other by the second motor 15 and the two linkage gears 16, the agglomerates of the additives passing through the feeding hopper 13 are crushed, the crushed additives are more easily mixed with the asphalt and other aggregate raw materials, the additives are uniformly dispersed in the stirring bin 2, the stirring time is reduced, the efficiency of the stirring work is improved, and the crushing of the additive agglomerates can ensure the uniform distribution of the additives in the stirring bin 2, which can effectively avoid the agglomeration of asphalt mastic into a group, improve the uniformity of mixing, and optimize the stirring quality.

[0019] The scraper 12 is spirally arranged. After the asphalt mixture is completely stirred and mixed, the cylinder 7 is started to lift the discharge baffle 8 at the position of the discharge port 6, the asphalt mixture is discharged from the stirring bin 2 through the discharge port 6, and the rotating shaft 3 is continuously driven by the first motor 4 at this time. The scraper 11 and the scraper 12 are driven to rotate to scrape off the asphalt mixture adhered to the inner walls of the stirring bin 2, so as to prevent the material adhered and remained on the inner walls of the stirring bin 2. Meanwhile, the spirally arranged scraper 12 can push the asphalt mixture to move to the position of the discharge port 6 in the stirring bin 2 during the rotation process, so as to further scrape off the asphalt mixture in the stirring bin 2 and discharge it, reduce the waste of asphalt materials, and reduce the pollution caused by the asphalt adhered and remained on the inner walls of the stirring bin 2.

[0020] It can be understood that the utility model is described through some embodiments, and the person skilled in the art knows that various changes or equivalent replacements can be made to these features and embodiments without departing from the spirit and scope of the utility model. In addition, under the guidance of the utility model, these features and embodiments can be modified to adapt to specific conditions and materials without departing from the spirit and scope of the utility model. Therefore, the utility model is not limited by the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the application belong to the scope protected by the utility model.

Claims

1. An asphalt mastic stirring device, characterized in that: The utility model relates to a kind of double-sided stirring machine, including rack (1);Rack (1) middle part is provided with stirring bin (2);Stirring bin (2) is provided with rotating shaft (3) extending to one side of rack (1);Rack (1) is provided with first motor (4) relative rotating shaft (3) and drives rotating shaft (3) rotation;Rotating shaft (3) is fixed with multiple stirring arms (5) in stirring bin (2);Stirring bin (2) is provided with discharge port (6) away from first motor (4) side;Discharge port (6) upper side is provided with pneumatic cylinder (7);Pneumatic cylinder (7) cylinder head is connected with discharge baffle (8);Stirring bin (2) top is provided with feed inlet (9);Stirring bin (2) top is provided with auxiliary feeder (10) in feed inlet (9) position;Rotating shaft (3) is provided with the scraping blade (11) extending to both sides in the position of being attached to both side walls in stirring bin (2);Two scraping blades (11) are connected with scraper (12) between opposite ends.

2. An asphalt mastic mixing device according to claim 1, wherein The auxiliary feeder (10) includes a feed hopper (13);Two crushing knife groups (14) are provided opposite rotating in the feed hopper (13);One opposite crushing knife group (14) is driven to rotate by the second motor (15) provided on one side of the feed hopper (13);Two crushing knife groups (14) are provided with linkage gear (16) using meshing connection at one end.

3. An asphalt mastic mixing device as defined in claim 1, wherein The scraper (12) is provided in contact with the inner wall of the stirring bin (2).

4. An asphalt mastic mixing device as defined in claim 1, wherein The scraper (12) is provided in a spiral manner.

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