Recycled asphalt mixture circulating convection device

Abstract

The utility model relates to the technical field of asphalt production and processing, in particular to a recycled asphalt mixture circulating convection device, which increases stirring modes, enables materials to flow circularly, enables the materials to be mixed uniformly, and improves stirring and mixing quality. Comprising a charging barrel, a stirring assembly, a lifting assembly, a scraping assembly and a second stirring assembly, two feeding pipes are arranged at the top of the charging barrel, an arc-shaped concave part is formed in the bottom of the charging barrel, the stirring assembly is installed at the bottom of the charging barrel, the lifting assembly is installed on the outer wall of the charging barrel, the scraping assembly is installed in the charging barrel, and the second stirring assembly is installed on the upper side in the charging barrel.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of asphalt production and processing, particularly to a recycled asphalt mixture circulating convection device. BACKGROUND

[0002] The recycled asphalt mixture refers to the mixture that is newly mixed according to a certain proportion by old asphalt pavement after being dug up, recycled, broken and sieved, and a recycling agent, new asphalt material and new aggregate. The recycling of the asphalt pavement can save a large amount of raw materials such as asphalt and gravel, save engineering investment, and is conducive to waste disposal and environmental protection, thus having significant economic, social and environmental benefits. In order to improve the mixing efficiency, the recycled asphalt mixture circulating convection device is needed. The prior art publication No. CN218911026U proposes a recycled asphalt mixture circulating convection device, which comprises a storage barrel, a rotating rod is arranged in the middle of the storage barrel, a first motor is installed on the upper part of the rotating rod, a first cavity is arranged on the rotating rod, a plurality of stirring rods are arranged on the rotating rod, a baffle is connected to one end of each of the stirring rods through a spring, a second cavity is arranged on each of the stirring rods, and each of the second cavities intersects with the first cavity, a water pipe is rotatably connected to the stirring rod through a rotary seal, a plurality of openings are arranged on the rotary seal and intersect with the first cavity, the upper part of the water pipe is connected to a water tank, a water pump is installed in the water tank, a feeding pipe is arranged on the left part of the storage barrel, a connecting shell is arranged on the right part of the feeding pipe, a second motor is installed in the connecting shell, a rotating device is installed on the right part of the second motor, and a plurality of through holes are arranged on the rotating device. However, the stirring mode is relatively single, and the phenomenon of uneven mixing is prone to occur, which leads to the reduction of the quality of asphalt and the segregation of asphalt. CONTENT OF THE UTILITY MODEL

[0003] To solve the above technical problems, the utility model provides a recycled asphalt mixture circulating convection device which increases the stirring mode, makes the material circulate and flow, mixes the material uniformly, and improves the stirring and mixing quality.

[0004] The recycled asphalt mixture circulating convection device of the utility model comprises a barrel, a stirring assembly, a lifting assembly, a scraping assembly and a second stirring assembly, two feeding pipes are arranged on the top of the barrel, an arc-shaped recess is arranged on the bottom of the barrel, the stirring assembly is installed on the bottom of the barrel, the lifting assembly is installed on the outer wall of the barrel, the scraping assembly is installed in the barrel, and the second stirring assembly is installed on the upper side in the barrel; after the material is added into the barrel, the stirring assembly stirs the material, the lifting assembly lifts and conveys the lower material upward, the material circulates and flows, the stirring and mixing quality is improved, the scraping assembly can scrape and clean the inner wall of the barrel, the material adhesion is avoided, the mixing quality is improved, the second stirring assembly can further improve the stirring quality, the material is mixed uniformly, and the production quality is improved.

[0005] Preferably, the stirring assembly comprises a lower supporting cylinder, a first stirring motor, a supporting turntable, a rotating shaft and a spiral conveying blade, the lower supporting cylinder is fixedly installed at the middle of the bottom end of the barrel, the supporting turntable is rotatably installed in the lower supporting cylinder, the first stirring motor is installed at the bottom of the lower supporting cylinder, the output end of the first stirring motor is concentrically and rotatably connected to the bottom of the supporting turntable, the rotating shaft is concentrically connected to the top of the supporting turntable, the rotating shaft is rotatably installed in the barrel, and the spiral conveying blade is installed on the outer wall of the rotating shaft; after the material is added into the barrel, the first stirring motor is started to drive the supporting turntable to rotate in the lower supporting cylinder, the supporting turntable drives the rotating shaft to rotate, and the rotating shaft drives the spiral conveying blade to rotate, so that the material can be upwardly conveyed to be dispersed and mixed in the barrel.

[0006] Preferably, the lifting assembly comprises a plurality of lifting cylinders, a plurality of connecting pipes, a plurality of discharge pipes, a plurality of lifting motors, a plurality of lifting rotating shafts and a plurality of lifting spiral blades, the plurality of lifting cylinders are axially and uniformly installed on the outer wall of the barrel, the lower input end of the lifting cylinder is communicated with the inside of the barrel through the connecting pipe, the discharge pipe is connected to the bottom of the lifting cylinder, the discharge valve is arranged on the discharge pipe, the lifting rotating shaft is rotatably installed in the lifting cylinder, the lifting spiral blade is installed on the outer wall of the lifting rotating shaft, the upper output end of the lifting cylinder is communicated with the inside of the barrel, the top input end of the lifting rotating shaft is connected to the output end of the lifting motor, and the lifting motor is installed at the top of the lifting cylinder; the material at the lower end of the barrel enters the lifting cylinder through the connecting pipe, the lifting motor is started to drive the lifting rotating shaft to rotate, the lifting rotating shaft drives the lifting spiral blade to rotate, the lower material is upwardly conveyed in the lifting cylinder, and is re-input into the upper part of the barrel through the output end of the lifting cylinder, so as to impact and mix with the material pushed by the spiral conveying blade, so that the material circulates, the stirring and mixing quality is improved, and after the material is mixed, the lifting motor is reversed, and the discharge valve on the discharge pipe is opened, so that the material can be discharged through the discharge pipe.

[0007] Preferably, the second stirring assembly comprises an upper supporting cylinder, an upper supporting turntable, a second stirring motor, a second rotating shaft and upper stirring rods, the upper supporting cylinder is fixedly installed at the top of the inner wall of the barrel, the upper supporting turntable is installed in the upper supporting cylinder, the second stirring motor is installed at the top of the barrel, the output end of the second stirring motor is concentrically connected to the top of the upper supporting turntable, the second rotating shaft is connected to the bottom of the second stirring motor, and a plurality of upper stirring rods are axially and uniformly installed on the outer wall of the lower part of the second rotating shaft; the second stirring motor is started to drive the upper supporting turntable to rotate, the upper supporting turntable drives the plurality of upper stirring rods to rotate through the second rotating shaft, the rotating directions of the second stirring motor and the first stirring motor are opposite, and the plurality of upper stirring rods rotate to disperse the added material and stir the upper material.

[0008] Preferably, the scraping assembly comprises a plurality of bottom scrapers, a plurality of lower scraping frames, a plurality of inclined struts and a plurality of upper scraping frames, the plurality of bottom scrapers are axially uniformly arranged on the lower end outer wall of the rotating shaft, the bottom scrapers are arranged in the same shape as the bottom of the barrel, the bottom scrapers are fixedly connected with the lower scraping frames, the lower scraping frames are in contact with the inner wall of the barrel, the inclined struts are connected between the upper portion side wall of the lower scraping frame and the bottom scraper, and the plurality of upper scraping frames are axially uniformly arranged on the upper portion side wall of the second rotating shaft; the bottom scrapers and the lower scraping frames are driven to rotate by the rotating shaft, so that the inner wall of the lower portion of the barrel can be scraped and cleaned, meanwhile, the upper scraping frames are driven to rotate by the second rotating shaft, so that the inner wall of the upper portion of the barrel can be scraped and cleaned, the material adhesion is reduced, the stirring quality is improved, the connection strength between the bottom scrapers and the lower scraping frames can be increased by the inclined struts, and the stability is improved.

[0009] Preferably, the stirring assembly further comprises a plurality of lower stirring rods and a plurality of reinforcing rods, the plurality of lower stirring rods are fixedly arranged on the upper end side wall of the lower scraping frame, the lower stirring rods are located outside the upper stirring rods, and the reinforcing rods are connected between the lower stirring rods and the inclined struts; the lower stirring rods are driven to rotate by the lower scraping frame, the lower stirring rods rotate relative to the upper stirring rods, the material is stirred in cooperation with the upper stirring rods, the stirring quality is further improved, meanwhile, the connection stability between the lower scraping frame and the lower stirring rods can be increased by the reinforcing rods, and the stirring function is simultaneously achieved, and the practicability is improved.

[0010] Preferably, the stirring assembly further comprises a plurality of connecting rods and a plurality of reinforcing ribs, the connecting rods are fixedly connected between the upper scraping frame and the upper stirring rod, and the reinforcing ribs are fixedly arranged in the middle portion of the upper scraping frame; the connecting rods can be connected between the upper scraping frame and the upper stirring rod, and meanwhile, the reinforcing ribs can increase the stability of the upper scraping frame, improve the structural strength, and ensure the service life.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows: after the material is added into the barrel, the stirring assembly stirs the material, the lifting assembly lifts and conveys the lower material upward, the material circulates and flows, the stirring and mixing quality is improved, meanwhile, the scraping assembly can scrape and clean the inner wall of the barrel, the material adhesion is avoided, the mixing quality is improved, the second stirring assembly can further improve the stirring quality, the material is uniformly mixed, and the production quality is improved. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 is the structural schematic diagram of the utility model;

[0013] Figure 2 is the lower portion three-dimensional structural schematic diagram of the utility model;

[0014] Figure 3 is the internal structure schematic diagram of the utility model;

[0015] Figure 4 is the cross section structural schematic diagram of the utility model;

[0016] Figure 5 is a schematic diagram of the upper section structure of the utility model;

[0017] Marked in the drawing: 1, material cylinder; 2, lower supporting cylinder; 3, first stirring motor; 4, supporting turntable; 5, rotating shaft; 6, spiral conveying blade; 7, lifting cylinder; 8, connecting pipe; 9, discharge pipe; 10, lifting motor; 11, lifting rotating shaft; 12, lifting spiral blade; 13, bottom scraper; 14, lower scraper frame; 15, inclined support rod; 16, lower stirring rod; 17, reinforcing rod; 18, upper supporting cylinder; 19, upper supporting turntable; 20, second stirring motor; 21, second rotating shaft; 22, upper scraper frame; 23, upper stirring rod; 24, connecting rod; 25, reinforcing rib. DETAILED DESCRIPTION

[0018] In order to facilitate the understanding of the utility model, the utility model will be described more fully below with reference to the relevant drawings. The utility model can be realized in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0019] Example 1

[0020] As Figures 1 to 4 shown, the material cylinder 1 top is provided with two feeding pipes, the material cylinder 1 bottom is provided with arc-shaped concave, the lower supporting cylinder 2 is fixedly installed in the middle part of the material cylinder 1 bottom end, the lower supporting cylinder 2 inside rotationally installs the supporting turntable 4, the first stirring motor 3 is installed at the lower supporting cylinder 2 bottom, the output end of the first stirring motor 3 is concentrically rotationally connected with the supporting turntable 4 bottom, the supporting turntable 4 top is concentrically connected with the rotating shaft 5, the rotating shaft 5 is rotationally installed in the material cylinder 1 inside, the rotating shaft 5 outer wall is installed with the spiral conveying blade 6, a plurality of lifting cylinders 7 are axially uniformly installed on the outer wall of the material cylinder 1, the lower part input end of the lifting cylinder 7 is communicated with the inside of the material cylinder 1 through the connecting pipe 8, the lifting cylinder 7 bottom is connected with the discharge pipe 9, the discharge pipe 9 is provided with a discharge valve, the lifting rotating shaft 11 is rotationally installed in the lifting cylinder 7 inside, the lifting rotating shaft 11 outer wall is installed with the lifting spiral blade 12, the upper part output end of the lifting cylinder 7 is communicated with the inside of the material cylinder 1, the top input end of the lifting rotating shaft 11 is connected with the output end of the lifting motor 10, the lifting motor 10 is installed at the lifting cylinder 7 top, a plurality of bottom scrapers 13 are axially uniformly installed on the lower end outer wall of the rotating shaft 5, the bottom scraper 13 is provided with the same shape as the material cylinder 1 bottom, the bottom scraper 13 is fixedly connected with the lower scraper frame 14, the lower scraper frame 14 is in contact with the inner wall of the material cylinder 1, the lower scraper frame 14 upper part side wall is connected with the bottom scraper 13 between the inclined support rod 15;

[0021] After the material is added to the inside of the barrel 1, the first stirring motor 3 is started to drive the support turntable 4 to rotate in the lower barrel 2, the support turntable 4 drives the rotating shaft 5 to rotate, the rotating shaft 5 drives the spiral conveying blade 6 to rotate, which can convey the material upwards, so that the material is dispersed and mixed in the barrel 1, the material at the lower end of the inside of the barrel 1 enters the lifting barrel 7 through the connecting pipe 8, the lifting motor 10 is started to drive the lifting rotating shaft 11 to rotate, the lifting rotating shaft 11 drives the lifting spiral blade 12 to rotate, which conveys the lower material upwards in the lifting barrel 7, and re-enters the inside of the barrel 1 above through the output end of the lifting barrel 7, and collides and mixes with the material pushed by the spiral conveying blade 6, so that the material circulates and flows, improving the mixing quality. After the material is mixed, the lifting motor 10 is reversed, and the discharge valve on the discharge pipe 9 is opened at the same time, so that the material can be discharged through the discharge pipe 9. When the rotating shaft 5 rotates, the bottom scraper 13 and the lower scraper frame 14 are driven to rotate, which can scrape and clean the inner wall of the lower part of the barrel 1, reduce the adhesion of the material, and improve the stirring quality. The inclined support rod 15 can increase the connection strength between the bottom scraper 13 and the lower scraper frame 14, and improve the stability.

[0022] Example 2

[0023] As shown in Figures 3 to 5 the embodiment 1, further comprising an upper support barrel 18 fixedly installed on the inner wall of the barrel 1 at the top, an upper support turntable 19 installed in the inside of the upper support barrel 18, a second stirring motor 20 installed on the top of the barrel 1, the output end of the second stirring motor 20 concentrically connected with the top of the upper support turntable 19, a second rotating shaft 21 connected at the bottom of the second stirring motor 20, a plurality of upper stirring rods 23 axially and uniformly installed on the outer wall of the lower part of the second rotating shaft 21, a plurality of lower stirring rods 16 fixedly installed on the side wall of the upper end of the lower scraper frame 14, the lower stirring rod 16 located outside the upper stirring rod 23, the lower stirring rod 16 connected with the inclined support rod 15 through the reinforcing rod 17, the connecting rod 24 fixedly connected between the top of the upper stirring rod 23 and the upper scraper frame 22, and the reinforcing rib 25 fixedly installed in the middle of the upper scraper frame 22.

[0024] The second stirring motor 20 is started to drive the upper support turntable 19 to rotate, the upper support turntable 19 drives the plurality of upper stirring rods 23 to rotate through the second rotating shaft 21, the rotating direction of the second stirring motor 20 is opposite to that of the first stirring motor 3, the plurality of upper stirring rods 23 rotate to scatter the added material, and the upper material is stirred at the same time, the second rotating shaft 21 drives the upper scraper 22 to rotate when rotating, the upper part of the inner wall of the material cylinder 1 is scraped and cleaned, the material adhesion is reduced, the stirring quality is improved, the lower scraper 14 drives the lower stirring rod 16 to rotate when rotating, the lower stirring rod 16 rotates oppositely to the upper stirring rod 23, the material is stirred in cooperation with the upper stirring rod 23, the stirring quality is further improved, the connecting stability between the lower scraper 14 and the lower stirring rod 16 is increased through the reinforcing rod 17, the stirring function is also achieved, the practicability is improved, the upper scraper 22 and the upper stirring rod 23 are connected through the connecting rod 24, and the stability of the upper scraper 22 is increased through the reinforcing rib 25, the structural strength is improved, and the service life is ensured.

[0025] As shown in Figures 1 to 5 The recycled asphalt mixture circulating convection device is used for recycling the asphalt mixture, and the device comprises a material cylinder 1, a lower cylinder 2, a support turntable 4, a rotating shaft 5, a spiral conveying blade 6, a connecting pipe 8, a lifting cylinder 7, a lifting motor 10, a lifting rotating shaft 11, a lifting spiral blade 12, a bottom scraper 13, a lower scraper 14, a first stirring motor 3, a second stirring motor 20, an upper support turntable 19, a second rotating shaft 21, a plurality of upper stirring rods 23, an upper scraper 22, a connecting rod 24 and a reinforcing rib 25. The recycled asphalt mixture circulating convection device is used for recycling the asphalt mixture, and the device comprises a material cylinder 1, a lower cylinder 2, a support turntable 4, a rotating shaft 5, a spiral conveying blade 6, a connecting pipe 8, a lifting cylinder 7, a lifting motor 10, a lifting rotating shaft 11, a lifting spiral blade 12, a bottom scraper 13, a lower scraper 14, a first stirring motor 3, a second stirring motor 20, an upper support turntable 19, a second rotating shaft 21, a plurality of upper stirring rods 23, an upper scraper 22, a connecting rod 24 and a reinforcing rib 25.

[0026] The first stirring motor 3, the discharge pipe 9, the lifting motor 10 and the second stirring motor 20 of the recycled asphalt mixture circulating convection device are purchased on the market, and the technical personnel in the industry only need to install and operate according to the attached instruction manual, so that the technical personnel in the field do not need to pay creative labor.

[0027] The above is only the preferred embodiment of the utility model, and it should be pointed out that, for ordinary technical personnel in the technical field, several improvements and modifications can be made without departing from the technical principle of the utility model, and these improvements and modifications should be regarded as the protection range of the utility model.

Claims

1. Regenerated asphalt mixture circulation convection device, characterized in that, The utility model provides a material feeding device, which comprises a barrel (1), a stirring assembly, a lifting assembly, a scraping assembly and a second stirring assembly, two feeding pipes are arranged at the top of the barrel (1), an arc-shaped recess is arranged at the bottom of the barrel (1), the stirring assembly is installed at the bottom of the barrel (1), the lifting assembly is installed on the outer wall of the barrel (1), the scraping assembly is installed inside the barrel (1), and the second stirring assembly is installed at the upper side inside the barrel (1).

2. The recycled asphalt mixture circulating convection device of claim 1, wherein, The stirring assembly comprises a lower supporting barrel (2), a first stirring motor (3), a supporting turntable (4), a rotating shaft (5) and a spiral conveying blade (6), the lower supporting barrel (2) is fixedly installed at the middle of the bottom end of the barrel (1), the supporting turntable (4) is rotatably installed inside the lower supporting barrel (2), the first stirring motor (3) is installed at the bottom of the lower supporting barrel (2), the output end of the first stirring motor (3) is in concentric rotation connection with the bottom of the supporting turntable (4), the rotating shaft (5) is in concentric connection with the top of the supporting turntable (4), the rotating shaft (5) is rotatably installed inside the barrel (1), and the spiral conveying blade (6) is installed on the outer wall of the rotating shaft (5).

3. The recycled asphalt mixture circulating convection device of claim 1, wherein, The lifting assembly comprises a plurality of lifting barrels (7), a plurality of connecting pipes (8), a plurality of discharge pipes (9), a plurality of lifting motors (10), a plurality of lifting rotating shafts (11) and a plurality of lifting spiral blades (12), the plurality of lifting barrels (7) are uniformly installed on the outer wall of the barrel (1) in an axial direction, the lower input end of the lifting barrel (7) is communicated with the inside of the barrel (1) through the connecting pipe (8), the bottom of the lifting barrel (7) is connected with the discharge pipe (9), the discharge valve is arranged on the discharge pipe (9), the lifting rotating shaft (11) is rotatably installed inside the lifting barrel (7), the lifting spiral blade (12) is installed on the outer wall of the lifting rotating shaft (11), the upper output end of the lifting barrel (7) is communicated with the inside of the barrel (1), the top input end of the lifting rotating shaft (11) is connected with the output end of the lifting motor (10), and the lifting motor (10) is installed at the top of the lifting barrel (7).

4. The recycled asphalt mixture circulating convection device of claim 1, wherein, The second stirring assembly comprises an upper supporting barrel (18), an upper supporting turntable (19), a second stirring motor (20), a second rotating shaft (21) and an upper stirring rod (23), the upper supporting barrel (18) is fixedly installed at the top of the inner wall of the barrel (1), the upper supporting turntable (19) is installed inside the upper supporting barrel (18), the second stirring motor (20) is installed at the top of the barrel (1), the output end of the second stirring motor (20) is in concentric connection with the top of the upper supporting turntable (19), the bottom of the second stirring motor (20) is connected with the second rotating shaft (21), and a plurality of upper stirring rods (23) are uniformly installed on the outer wall of the lower part of the second rotating shaft (21) in an axial direction.

5. The recycled asphalt mixture circulating convection device of claim 4, wherein, The scraping assembly comprises a plurality of bottom scraping plates (13), a plurality of lower scraping frames (14), a plurality of inclined support rods (15) and a plurality of upper scraping frames (22), the plurality of bottom scraping plates (13) are uniformly installed on the lower end outer wall of the rotating shaft (5) in an axial direction, the bottom scraping plates (13) are arranged in the same shape as the bottom of the barrel (1), the bottom scraping plates (13) are fixedly connected with the lower scraping frames (14), the lower scraping frames (14) are in contact with the inner wall of the barrel (1), the inclined support rods (15) are connected between the upper portion side wall of the lower scraping frames (14) and the bottom scraping plates (13), and the plurality of upper scraping frames (22) are uniformly installed on the upper portion side wall of the second rotating shaft (21) in an axial direction, the upper scraping frames (22) are in contact with the upper portion inner wall of the barrel (1).

6. The recycled asphalt mixture circulating convection device of claim 5, wherein, The scraping assembly further comprises a plurality of lower stirring rods (16) and a plurality of reinforcing rods (17), the plurality of lower stirring rods (16) are respectively fixedly installed on the upper end side wall of the lower scraping frames (14), the lower stirring rods (16) are located outside the upper stirring rods (23), and the reinforcing rods (17) are connected between the lower stirring rods (16) and the inclined support rods (15).

7. The recycled asphalt mixture circulating convection device of claim 5, wherein, The scraping assembly further comprises a plurality of connecting rods (24) and a plurality of reinforcing ribs (25), the connecting rods (24) are fixedly connected between the top of the upper stirring rods (23) and the upper scraping frames (22), and the reinforcing ribs (25) are fixedly installed in the middle of the upper scraping frames (22).

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