CN219951605U - Continuous asphalt concrete stirring device - Google Patents

Abstract

The utility model provides a continuous asphalt concrete stirring device which comprises a heating roller, a stirring roller and a hot blast furnace, wherein a first feeding hole and a first discharging hole are formed in the heating roller, a second feeding hole and a second discharging hole are formed in the stirring roller, the first discharging hole is communicated with the second feeding hole, a rotating shaft is rotatably matched in the stirring roller, a first spiral stirring blade is fixed on the periphery of the rotating shaft, a rotating drum is rotatably matched in the stirring roller, a second spiral stirring blade is fixedly connected in the rotating drum, and the rotating shaft is in transmission connection with the rotating drum. In the utility model, the rotating shaft is arranged in the stirring roller, the first spiral stirring blade is arranged on the periphery of the rotating shaft, the rotary drum is arranged in the stirring roller, the second spiral stirring blade is arranged in the rotary drum, the asphalt concrete is stirred by the first spiral stirring blade and the second spiral stirring blade, and the first spiral stirring blade and the second spiral stirring blade rotate in opposite directions, so that the mixing efficiency of the asphalt concrete can be improved.

Description

Continuous asphalt concrete stirring device

Technical Field

The utility model relates to the technical field of asphalt concrete, in particular to a continuous asphalt concrete stirring device.

Background

Asphalt concrete is commonly called asphalt concrete, and is a mixture prepared by manually selecting mineral aggregate, crushed stone or crushed gravel, stone scraps or sand, mineral powder and the like with a certain proportion of road asphalt material and stirring the mineral aggregate, wherein the hot-mixed asphalt mixture is preferably mechanically stirred at a centralized place. Generally, a fixed type hot-mix plant is selected, a movable type hot-mix machine is preferably selected for long-term use in a circuit, such as the patent with the publication number of CN206027584U, and a continuous drum type warm-mix asphalt mixture stirring device is disclosed, the device comprises a heating drum, a feeding port, a discharging port and a hot air inlet are formed in the heating drum, the heating drum adopts vertical arrangement, a heating layer is arranged on the circumferential wall of the heating drum, a buffer plate which is inclined downwards is arranged in the heating drum, a stirring drum is arranged below the heating drum, a horizontal arrangement is adopted on the stirring drum, a heat insulation layer is arranged on the inner wall of the stirring drum, a material inlet, a material outlet and a hot air port are formed in the stirring drum, a stirring shaft is arranged in the stirring drum, a stirring blade is arranged on the stirring shaft, a vibrating motor is arranged at the bottom of the stirring drum, and the device is special for warm-mix asphalt mixture, and has the advantages of simple structure, easy operation, low cost and reasonable whole structural design, continuous production of materials can be ensured, and high production efficiency.

The device can stir asphalt concrete, but the rotation direction of the stirring blade is fixed, and the phenomenon of uneven mixing possibly exists, so that the effect of mixing each time is poor, the quality of a final product is poor, a plurality of vibrating motors are used, the manufacturing cost is high, and the device is always in a vibrating state and can influence the service life of the device.

To this end, the utility model provides a continuous asphalt concrete stirring device.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model aims to provide a continuous asphalt concrete stirring device so as to solve the problems in the prior art, the utility model can improve the mixing efficiency of asphalt concrete, and simultaneously the surfaces of stirring blades can be scraped by the mutual contact of a first spiral stirring blade and a second spiral stirring blade, thereby preventing asphalt residue, reducing the manufacturing cost without using a vibration motor, and simultaneously the whole device can not be always in a vibration state.

In order to achieve the above object, the present utility model is realized by the following technical scheme: the utility model provides a continuous asphalt concrete agitating unit, includes heating cylinder, agitator drum and hot-blast furnace, has seted up first feed inlet and first discharge gate in the heating cylinder, has seted up second feed inlet and second discharge gate in the agitator drum, and first discharge gate is linked together with the second feed inlet, and the interior normal running fit of agitator drum has the pivot, and the week side of pivot is fixed with first spiral stirring leaf, and normal running fit has the rotary drum in the agitator drum, fixedly connected with second spiral stirring leaf in the rotary drum, and the pivot is connected with the rotary drum transmission.

Further, a third feeding port is formed in the rotary drum, and the third feeding port corresponds to the second feeding port.

Further, a motor is fixedly connected to one side of the stirring roller, and the output end of the motor is fixedly connected with the rotating shaft.

Further, the stirring roller is rotationally matched with an inner gear, the inner gear is fixedly connected with the rotary drum, one end of the rotary shaft is fixedly connected with a first straight gear, a second straight gear is arranged between the first straight gear and the inner gear, the second straight gear is meshed with the first straight gear and the inner gear, and the axis of the second straight gear is rotationally matched with the stirring roller.

Further, a connecting pipe is arranged between the first discharging hole and the second feeding hole.

Further, a first air outlet pipe and a second air outlet pipe are arranged on the lower side of the hot blast stove and are respectively communicated with the heating roller and the stirring roller.

Further, the base is arranged on the lower side of the stirring roller, and the stirring roller is obliquely fixed on the upper side of the base.

The utility model has the beneficial effects that: the utility model relates to a continuous asphalt concrete stirring device, which comprises a stirring roller; a rotating shaft; a first helical stirring blade; a rotating drum; and a second spiral stirring blade.

Install the pivot in the stirring cylinder, install first spiral stirring leaf in the week side of pivot, install the rotary drum in the stirring cylinder, install the second spiral stirring leaf in the rotary drum, stir asphalt concrete through first spiral stirring leaf and second spiral stirring leaf, first spiral stirring leaf and second spiral stirring leaf opposite direction rotate, can improve asphalt concrete's mixing efficiency, simultaneously can scrape the surface of stirring leaf through first spiral stirring leaf and second spiral stirring leaf mutual contact, thereby prevent that pitch from remaining, need not use vibrating motor, reduce manufacturing cost, the device is whole also can not be in vibration state all the time simultaneously.

Drawings

FIG. 1 is a schematic view of the assembled perspective structure of the whole continuous asphalt concrete stirring device of the utility model;

FIG. 2 is a schematic view showing the whole assembly cross-section structure of a continuous asphalt concrete stirring device according to the present utility model;

FIG. 3 is a schematic perspective view showing an assembly of a first spur gear, a second spur gear and an internal gear in a continuous asphalt concrete stirring apparatus according to the present utility model;

in the figure: 1. a heating roller; 2. a stirring roller; 3. a first feed port; 4. a first discharge port; 5. hot blast stove; 6. a first air outlet pipe; 7. a second air outlet pipe; 8. a second feed inlet; 9. a second discharge port; 10. a motor; 11. a base; 12. a rotating shaft; 13. a first helical stirring blade; 14. a second helical stirring blade; 15. a connecting pipe; 16. a rotating drum; 17. a first straight gear; 18. a second spur gear; 19. an internal gear; 21. and a third feed inlet.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

Referring to fig. 1 to 3, the present utility model provides a technical solution: the utility model provides a continuous asphalt concrete agitating unit, including heating cylinder 1, stirring cylinder 2 and hot-blast furnace 5, first feed inlet 3 and first discharge gate 4 have been seted up in the heating cylinder 1, second feed inlet 8 and second discharge gate 9 have been seted up in the stirring cylinder 2, first discharge gate 4 is linked together with second feed inlet 8, the interior rotating fit of stirring cylinder 2 has pivot 12, the week side of pivot 12 is fixed with first spiral stirring leaf 13, the interior rotating fit of stirring cylinder 2 has rotary drum 16, fixedly connected with second spiral stirring leaf 14 in the rotary drum 16, pivot 12 is connected with rotary drum 16 transmission.

In this embodiment, the third feeding port 21 is formed in the drum 16, the third feeding port 21 corresponds to the second feeding port 8, and each time the drum 16 rotates for one circle, the third feeding port 21 is communicated with the second feeding port 8, so that asphalt concrete can enter the stirring drum 2 for stirring, and the feeding speed of the stirring drum 2 is controlled;

the stirring roller 2 is fixedly connected with a motor 10 at one side, the output end of the motor 10 is fixedly connected with a rotating shaft 12, when asphalt concrete needs to be stirred, the motor 10 is started, the output end of the motor 10 drives the rotating shaft 12 to rotate, and accordingly the first spiral stirring blade 13 is driven to rotate, and asphalt concrete can be stirred;

an inner gear 19 is rotationally matched with the stirring roller 2, the inner gear 19 is fixedly connected with the rotary drum 16, one end of the rotary shaft 12 is fixedly connected with a first straight gear 17, a second straight gear 18 is arranged between the first straight gear 17 and the inner gear 19, the second straight gear 18 is meshed with the first straight gear 17 and the inner gear 19, the axle center of the second straight gear 18 is rotationally matched with the stirring roller 2, when asphalt concrete is stirred, the rotary shaft 12 drives the first spiral stirring blade 13 to rotate, meanwhile, the rotary shaft 12 drives the first straight gear 17 to rotate, the first straight gear 17 is meshed with the second straight gear 18 to rotate, the second straight gear 18 is meshed with the inner gear 19 to rotate, the rotary drum 16 is driven by the inner gear 19 to rotate, and the second spiral stirring blade 14 is driven by the rotary drum 16 to rotate, so that the first spiral stirring blade 13 and the second spiral stirring blade 14 rotate in opposite directions;

a connecting pipe 15 is arranged between the first discharge hole 4 and the second feed hole 8, when heated asphalt concrete is required to be stirred, the asphalt concrete enters the second feed hole 8 from the first discharge hole 4, the connecting pipe 15 can play a role in heat preservation, heat dissipation is prevented, and meanwhile, the connecting pipe 15 also plays a role in storing asphalt concrete;

the lower side of the hot blast furnace 5 is provided with a first air outlet pipe 6 and a second air outlet pipe 7, the first air outlet pipe 6 and the second air outlet pipe 7 are respectively communicated with the heating roller 1 and the stirring roller 2, when asphalt concrete is mixed, the hot blast furnace 5 is started, and the hot blast furnace 5 sends hot air into the heating roller 1 and the stirring roller 2 through the first air outlet pipe 6 and the second air outlet pipe 7, so that asphalt concrete can be heated, and the stirring speed is increased;

the base 11 is installed to stirring cylinder 2 downside, and stirring cylinder 2 slope is fixed in base 11 upside, and the stirring cylinder 2 of slope can make things convenient for the ejection of compact.

Specifically, when the asphalt concrete needs to be stirred and mixed, the materials are placed into the first feed inlet 3, then the hot blast furnace 5 is started, the hot blast furnace 5 sends hot air into the heating roller 1 and the stirring roller 2 through the first air outlet pipe 6 and the second air outlet pipe 7, so that the asphalt concrete can be heated, the heated materials enter the second feed inlet 8 and then enter the stirring roller 2, the motor 10 is started, the output end of the motor 10 drives the rotating shaft 12 to rotate, so that the first spiral stirring blade 13 is driven to rotate, meanwhile, the rotating shaft 12 drives the first straight gear 17 to rotate, the first straight gear 17 and the second straight gear 18 are meshed to rotate, so that the second straight gear 18 and the internal gear 19 are meshed to rotate, the internal gear 19 drives the rotating drum 16 to rotate, the second spiral stirring blade 14 is driven to rotate, the first spiral stirring blade 13 and the second spiral stirring blade 14 are opposite in rotation direction, meanwhile, the first spiral stirring blade 13 and the second spiral stirring blade 14 are contacted, the asphalt concrete left on the surface can be scraped, and then the product discharged from the second feed outlet 9 after the stirring is completed, and the asphalt concrete can be stirred.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (7)

1. The utility model provides a continuous asphalt concrete mixing device, including heating cylinder (1), stirring cylinder (2) and hot-blast furnace (5), a serial communication port, first feed inlet (3) and first discharge gate (4) have been seted up in heating cylinder (1), second feed inlet (8) and second discharge gate (9) have been seted up in stirring cylinder (2), first discharge gate (4) are linked together with second feed inlet (8), stirring cylinder (2) internal rotation cooperation has pivot (12), the week side of pivot (12) is fixed with first spiral stirring leaf (13), stirring cylinder (2) internal rotation cooperation has rotary drum (16), fixedly connected with second spiral stirring leaf (14) in rotary drum (16), pivot (12) are connected with rotary drum (16) transmission.

2. A continuous asphalt concrete mixing apparatus according to claim 1, wherein: a third feeding port (21) is formed in the rotary drum (16), and the third feeding port (21) corresponds to the second feeding port (8).

3. A continuous asphalt concrete mixing apparatus according to claim 1, wherein: one side of the stirring roller (2) is fixedly connected with a motor (10), and the output end of the motor (10) is fixedly connected with a rotating shaft (12).

4. A continuous asphalt concrete mixing apparatus according to claim 1, wherein: the stirring roller (2) is rotationally matched with an inner gear (19), the inner gear (19) is fixedly connected with the rotary drum (16), one end of the rotary shaft (12) is fixedly connected with a first straight gear (17), a second straight gear (18) is arranged between the first straight gear (17) and the inner gear (19), the second straight gear (18) is meshed with the first straight gear (17) and the inner gear (19), and the axle center of the second straight gear (18) is rotationally matched with the stirring roller (2).

5. A continuous asphalt concrete mixing apparatus according to claim 1, wherein: a connecting pipe (15) is arranged between the first discharging hole (4) and the second feeding hole (8).

6. A continuous asphalt concrete mixing apparatus according to claim 1, wherein: the hot-blast stove (5) downside is equipped with first tuber pipe (6) and second tuber pipe (7), and first tuber pipe (6) and second tuber pipe (7) are linked together with heating cylinder (1) and stirring cylinder (2) respectively.

7. A continuous asphalt concrete mixing apparatus according to claim 1, wherein:

the stirring roller (2) is obliquely fixed on the upper side of the base (11).