CN112973537A

CN112973537A - Asphalt concrete production device with novel screening structure and asphalt concrete production method

Info

Publication number: CN112973537A
Application number: CN202011418523.XA
Authority: CN
Inventors: 方明亮
Original assignee: Individual
Current assignee: Huiconcrete Technology Co ltd
Priority date: 2020-12-07
Filing date: 2020-12-07
Publication date: 2021-06-18
Anticipated expiration: 2040-12-07
Also published as: CN112973537B

Abstract

The invention relates to the technical field of asphalt concrete production, and discloses an asphalt concrete production device with a novel screening structure, which comprises a shell, wherein the shell is provided with a base station, a crusher shell is fixedly arranged above the base station, a crushing device and vibration equipment are fixedly arranged in the crusher shell, the vibration equipment is provided with a vibration plate, the end part, away from a first through hole, of the crusher shell is fixedly connected with a first blanking plate, the lower end of the first blanking plate is fixedly connected with a stirring box, a supporting plate is arranged on one side of the stirring box, the side surface of the heating box is connected with a blanking plate, a telescopic rod is fixedly connected between the blanking plate and the heating box, the stirring device is arranged in the stirring box, the outer side of the stirring device. This asphalt concrete apparatus for producing through setting up breaker and vibrating equipment for the device is smashed abundant to the rubble, through setting up heating device, evenly, fully heats pitch.

Description

Asphalt concrete production device with novel screening structure and asphalt concrete production method

Technical Field

The invention relates to the technical field of asphalt concrete production, in particular to an asphalt concrete production device with a novel screening structure and an asphalt concrete production method.

Background

The asphalt concrete is commonly called as asphalt concrete, and is a mixture prepared by manually selecting mineral aggregate with a certain gradation composition, broken stone or crushed gravel, stone chips or sand, mineral powder and the like, and mixing the mineral aggregate, the broken stone or crushed gravel, the stone chips or sand, the mineral powder and a certain proportion of road asphalt material under strictly controlled conditions.

The asphalt concrete is prepared by crushing raw materials such as gravel and the like into particles, mixing the particles with hot asphalt and stirring the hot asphalt to obtain the asphalt concrete, and in the preparation process, the sand stone materials are dried and heated firstly and then are mixed with the hot asphalt and cold mineral powder, but the crushing device has the condition of insufficient crushing, so that the production effect of the subsequent asphalt concrete is influenced; moreover, other devices are needed to heat the asphalt in advance and then the asphalt is transferred to the stirring device, the process is troublesome, and the asphalt is not easy to transfer; because pitch has viscidity, easily glue on the agitator tank inner wall at the stirring in-process, cause the wasting of resources, and reduced asphalt concrete's productivity ratio, in addition, the device is mostly only set up a discharge gate, so the discharge gate is blockked up easily in ejection of compact in-process, influences ejection of compact effect.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the asphalt concrete production device with the novel screening structure and the asphalt concrete production method, which have the advantages of sufficient crushing, resource waste avoidance, quick discharging and the like, and solve the problems that the crushing is insufficient, and asphalt needs to be heated in advance and is attached to the inner wall of the stirring box.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: asphalt concrete apparatus for producing with novel screening structure, including the shell, further: first through-hole has been seted up to the shell side, the inside first through-hole one side that is close to of shell is provided with the base station, the fixed breaker casing support that is provided with in base station top, the inside fixedly connected with breaker casing of breaker casing support, the inside fixed breaker that is provided with of first through-hole one end that is close to of breaker casing, the fixed vibrating equipment that is provided with of first through-hole one end is kept away from to breaker casing inside, vibrating equipment includes the vibration board, be provided with a plurality of sieve meshes on the vibration board. The crusher shell is far away from the first through hole end fixedly connected with a first blanking plate, and the lower end of the first blanking plate is fixedly connected with a stirring box.

Further, the feed inlet has been seted up at the agitator tank top, the agitator tank is kept away from first flitch one side and is fixedly provided with the backup pad, the fixed pole that sets up in relative edge of backup pad upper surface, agitator tank inside is provided with agitating unit.

Further: the vibrating device comprises a vibrating device shell, a vibrating plate, springs and a vibrator, wherein the outer side of the vibrating device shell is connected with the inner wall of a crusher shell, the vibrating device shell is in a circular ring shape, a groove is formed in the inner wall of the vibrating device shell, the vibrating plate is clamped in the groove, a plurality of springs are connected to two sides of the vibrating plate respectively, one end of the vibrating plate is far away from the springs and is connected with the groove wall, and the vibrator is fixedly arranged on the side face of the vibrating plate.

Further: the crushing device comprises a rotating shaft, a blade, a first motor and supports, wherein the two supports are fixedly connected to the inner wall of the crusher shell, the rotating shaft is connected between the supports in a rotating mode, the first motor is fixedly arranged at the end of the rotating shaft, and the rotating shaft is located between the two supports and fixedly connected with the blade on the side face of a shaft body.

Further: the crusher shell comprises a crusher shell body and is characterized in that two crusher shell body supports are arranged on the outer side of the crusher shell body, the two crusher shell body supports are arranged at two ends of the same-diameter portion of the crusher shell body respectively, the direction of the crusher shell body is the same as that of the upper surface of a base station, the crusher shell body is arranged in an inclined mode, and a feed inlet at the end portion of the crusher shell body is opposite to a first through.

Further: the stirring device is characterized in that a scraping plate is fixedly connected to the outer side of the stirring device, a discharge hole is fixedly formed in the lower portion of the stirring box, a support ring is fixedly arranged on the outer side of the stirring box, a support rod is fixedly connected to the lower portion of the support ring, a material box is fixedly connected to the lower portion of the support rod, the stirring device comprises a rotating shaft, a motor II and stirring blades, the top of the stirring box is rotatably connected with the rotating shaft, the rotating shaft is located at the outer end of the stirring box and fixedly provided with the motor II, and the rotating.

Further: the utility model discloses a heating device, including pole three, connecting rod, flitch, axle position, heating box, connecting rod fixedly connected with connecting block two, flitch under the second fixedly connected with second, fixedly connected with telescopic link between flitch and the heating box under the second, heating device is including motor three, heating ring and axle, the axle rotates and sets up in the heating box, the axle is located the outer end of heating box and fixes and be provided with motor three, the axle is located tip fixedly connected with heating ring in the heating box.

Further: two discharge hoppers are arranged below the stirring box, the discharge port is positioned in the discharge hoppers, and the outlets of the discharge hoppers are positioned right above the material box.

An asphalt concrete production method using the asphalt concrete production apparatus having a novel screening structure according to claims 1 to 9.

(III) advantageous effects

Compared with the prior art, the invention provides the asphalt concrete production device with the novel screening structure, which has the following beneficial effects:

1. this asphalt concrete apparatus for producing, through setting up breaker and vibration equipment, the raw materials can slide on the vibration board after breaker, the vibration board vibrates, the effect of vibration board to spring production force, the spring produces deformation and produces the reaction force to the recess inner wall in vibration board and the vibration board shell, under the effect of power and reaction, the vibration board keeps steady vibration, be provided with a plurality of sieve meshes on the vibration board, the effect in filtration pore is also replaced to the sieve mesh on the vibration board, smash complete material clearing hole discharge breaker casing, it continues to stay inside the breaker casing and smashes not smash complete material, and then make the raw materials of following the inside exhaust of breaker casing for smashing abundant.

2. This asphalt concrete apparatus for producing, through fixed connection scraper blade in the axis of rotation for the axis of rotation drives the scraper blade when driving stirring vane pivoted and rotates, and the scraper blade will be attached to and continue to carry out stirring work under the asphalt concrete of agitator tank inner wall scrapes, and then avoids extravagant material, improves asphalt concrete's productivity ratio.

3. This asphalt concrete apparatus for producing, through setting up heating device, the three drive shafts of motor rotate in the heating process, and the axle drives the heating ring and rotates, heats and stirs the inside pitch of heating cabinet at heating ring pivoted in-process to make pitch by abundant and even heating, be favorable to follow-up manufacturing asphalt concrete.

4. This asphalt concrete apparatus for producing through setting up two discharge gates, has reduced the pressure of discharge gate department, avoids discharge gate department to be blockked up, and then accelerates the ejection of compact speed of discharge gate.

5. This asphalt concrete apparatus for producing is close to but contactless through setting up the scraper blade side with the agitator tank inner wall to utilize the scraper blade will be attached to the material of agitator tank inner wall and scrape down, also avoid damaging agitator tank and scraper blade, improve work efficiency.

6. This asphalt concrete apparatus for producing, through setting up breaker housing on the base station, the slope of base station upper surface sets up, so from the outside, breaker housing is the slope form, is favorable to the device to arrange the material.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a perspective view of the overall structure of the present invention;

FIG. 3 is an internal perspective view of the present invention;

FIG. 4 is a perspective view of the crushing apparatus of the present invention

FIG. 5 is an exploded view of the vibration apparatus of the present invention;

FIG. 6 is a schematic perspective view of the hybrid blanking apparatus of the present invention;

FIG. 7 is a schematic perspective view of a stirring device according to the present invention;

fig. 8 is a perspective view of the heating device of the present invention.

In the figure: 1. a housing; 100. a first through hole; 101. a base station; 2. a crusher housing support; 3. a crusher housing; 4. a crushing device; 5. a vibrating device; 6. a first blanking plate; 7. a stirring box; 8. a stirring device; 9. a squeegee; 10. a discharge port; 11. a support ring; 12. a support bar; 13. a magazine; 14. a support plate; 15. a rod; 16. a heating box; 17. a heating device; 18. a first connecting block; 19. a connecting rod; 20. a second connecting block; 21. a second blanking plate; 22. a telescopic rod; 23. a discharge hopper; 41. a rotating shaft; 42. a blade; 43. a first motor; 44. a support; 51. a housing; 52. a vibrating plate; 53. a spring; 54. a vibrator; 71. a feed inlet; 81. a rotating shaft; 82. a second motor; 83. a stirring blade; 171. a third motor; 172. a heating ring; 173. a shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-8, an asphalt concrete production apparatus with a novel screening structure includes a housing 1, a first through hole 100 is formed in a side surface of the housing 1, a base 101 is disposed inside the housing 1 near the first through hole 100, a crusher housing support 2 is fixedly disposed above the base 101, a crusher housing 3 is fixedly connected inside the crusher housing support 2, a crushing device 4 is fixedly disposed inside the crusher housing 3 near the first through hole 100, a vibrating device 5 is fixedly disposed inside the crusher housing 3 far from the first through hole 100, a first discharging plate 6 is fixedly connected to an end portion of the crusher housing 3 far from the first through hole 100, a stirring box 7 is fixedly connected to a lower end of the first discharging plate 6, a feeding port 71 is formed in a top portion of the stirring box 7, and a support plate 14 is fixedly disposed on a side of the stirring box 7 far from the first discharging plate 6, the opposite edges of the upper surface of the supporting plate 14 are fixedly provided with rods 15, the upper parts of the rods 15 are fixedly provided with heating boxes 16, a heating device 17 is arranged in the heating box 16, two first connecting blocks 18 are fixedly arranged on the side surface of the heating box 16, a connecting rod 19 penetrates through the first connecting block 18, the connecting rod 19 is fixedly connected with a second connecting block 20, a second blanking plate 21 is fixedly connected to the lower part of the second connecting block 20, an expansion link 22 is fixedly connected between the second blanking plate 21 and the heating box 16, a stirring device 8 is arranged in the stirring box 7, a scraping plate 9 is fixedly connected with the outer side of the stirring device 8, a discharge hole 10 is fixedly arranged at the lower part of the stirring box 7, a support ring 11 is fixedly arranged at the outer side of the stirring box 7, the support ring 11 lower part fixedly connected with bracing piece 12, bracing piece 12 lower part fixedly connected is provided with magazine 13.

Further, in the above scheme, the crushing device 4 includes a rotating shaft 41, a blade 42, a first motor 43 and a bracket 44, two brackets 44 are fixedly connected to the inner wall of the crusher housing 3, the rotating shaft 41 is rotatably connected between the brackets 44, the first motor 43 is fixedly arranged at the end of the rotating shaft 41, the rotating shaft 41 is located between the two brackets 44, the blade 42 is fixedly connected to the side surface of the shaft body, the first motor 43 drives the rotating shaft 41 to rotate, the rotating shaft 41 drives the blade 42 to rotate, and therefore the material entering the crushing device 4 is crushed by the high-speed rotating blade 42, and further the subsequent powdered material is conveniently mixed with hot asphalt. In addition, when specifically using, in throwing in the breaker with the material that needs breakage from first through-hole 100, because first through-hole 100's size is limited, the volume of throwing in receives the restriction, helps breaker 4 to carry out more abundant breakage to goods and materials, brings the facility to subsequent stirring process.

Further, in the above solution, the vibration device 5 includes a vibration device housing 51, a vibration plate 52, a spring 53 and a vibrator 54, and the vibration plate is provided with a plurality of sieve holes, preferably, the sieve holes are uniformly distributed. The outer side of the vibration equipment shell 51 is connected with the inner wall of the crusher shell 3, the vibration equipment shell 51 is in a circular ring shape, the inner wall of the vibration equipment shell 51 is provided with a groove, the vibration plate 52 is clamped in the groove, two sides of the vibration plate 52 are respectively connected with a plurality of springs 53, one end, far away from the vibration plate 52, of each spring 53 is connected with the groove wall, the side face of each vibration plate 52 is fixedly provided with a vibrator 54, a substance crushed by the crushing device 4 slides onto the vibration plate 52, the vibration plate 52 vibrates, holes in the vibration plate 52 also replace the effect of filter holes, the completely crushed substance is discharged out of the crusher shell 3 through the holes, the incompletely crushed substance continues to be left in the crusher shell 3 for crushing until the completely crushed substance is crushed, in the vibration process of the vibration plate 52, the vibration plate 52 generates force on the springs 53, the springs 53 generate deformation, in this process, the vibration plate 52 is kept stable.

Further, in the above scheme, the two crusher shell supports 2 are arranged outside the crusher shell 3, the crusher shell supports 2 are respectively arranged at two ends of the same diameter part of the crusher shell 3, the direction of the crusher shell 3 is the same as the upper surface direction of the base 101, the crusher shell 3 is arranged in an inclined manner, a feed inlet at the end part of the crusher shell 3 is right aligned to the first through hole 100, when a substance is crushed, the crusher shell 3 is inclined as seen from the outside, then the crushing device 4 inside is driven to incline, and the crushed substance slides to the vibration plate 52 along the inner wall of the inclined crusher shell 3 to be screened. Furthermore, in a specific application, the crusher housing bracket 2 is fixed to the foundation 101, thereby fixing the position of the crusher housing 3, making the crushing device 4 more stable during operation, preventing the crusher from falling and causing danger.

Further, in the above solution, the stirring device 8 includes a rotating shaft 81, a second motor 82 and a stirring blade 83, the top of the stirring box 7 is rotatably connected with the rotating shaft 81, the second motor 82 is fixedly disposed at the outer end of the stirring box 7 of the rotating shaft 81, the stirring blade 83 is fixedly disposed at the side of the shaft body in the stirring box 7 of the rotating shaft 81, the second motor 82 drives the rotating shaft 81 to rotate, the rotating shaft 81 drives the stirring blade 83 to rotate, the hot asphalt and the cold mineral powder are mixed by the rotating stirring blade 83, so as to prepare asphalt concrete, in addition, when in specific application, because the asphalt concrete has viscosity, the asphalt concrete can stick to the inner wall of the stirring box 7 during stirring, so that the rotating shaft 81 drives the scraper 9 to rotate while driving the stirring blade 83 to rotate, and the scraper 9 scrapes the asphalt concrete adhered to the inner wall of the stirring box 7, thereby avoiding wasting materials and improving the productivity of the asphalt concrete.

Further, in the above solution, the scraper 9 is fixedly connected to the side surface of the rotating shaft 81 located inside the stirring box 7, and the side surface of the scraper 9 is close to but not in contact with the inner wall of the stirring box 7. If scraper blade 9 touches 7 inner walls of agitator tank, at the stirring in-process, scraper blade 9 and 7 inner walls of agitator tank can receive the damage, simultaneously, can produce frictional force between scraper blade 9 and the 7 inner walls of agitator tank, reduce the work efficiency of stirring process to utilize scraper blade 9 to scrape down the material that will adhere to at 7 inner walls of agitator tank, also avoid damaging agitator tank 7 and scraper blade 9, improve work efficiency.

Further, in the above solution, the heating device 17 includes a motor three 171, a heating ring 172 and a shaft 173, the shaft 173 is rotatably disposed in the heating box 16, the motor three 171 is fixedly disposed at an outer end of the shaft 173 in the heating box 16, the heating ring 172 is fixedly connected to an inner end of the shaft 173 in the heating box 16, the motor three 171 drives the shaft 173 to rotate, the shaft 173 drives the heating ring 172 to rotate, and asphalt in the heating box 16 is heated and stirred during rotation of the heating ring 172, so that the asphalt is sufficiently heated, which is beneficial for manufacturing asphalt concrete.

Further, in the above scheme, when the second blanking plate 21 is closed, the upper surface may contact with the heating box 16, when the second blanking plate 21 is opened, the end of the second blanking plate 21 is located on the upper portion of the feeding hole 71, when the second blanking plate 21 is closed, the upper surface of the second blanking plate 21 is closed with the lower portion of the heating box 16, so that the inside of the heating box 16 may be subjected to a heating process, after the heating process is completed, the telescopic rod 22 is contracted, the second blanking plate 21 is opened, the asphalt slides along the inclined second blanking plate 21, and then flows out from the end of the second blanking plate 21, so that all the asphalt in the heating box 16 falls into the lower stirring device 8 from the feeding hole 71, and resource waste is avoided.

Further, in the above scheme, agitator tank below is provided with two hopper 23, discharge gate 10 is located hopper 23, it is located directly over magazine 13 to go out hopper 23 export, because asphalt concrete has viscidity, so block up in discharge gate 10 easily, thereby set up two hopper 23, increase asphalt concrete's discharge gate 10, reduced the pressure of discharge gate 10 department, accelerate discharge gate 10's ejection of compact speed, and then avoid discharge gate 10 department to be blockked up, in addition, set up magazine 13 in discharge gate 10 below, make the asphalt concrete who makes all fall into magazine 13, avoid the wasting of resources.

When the crusher is used, firstly, the motor 43 is turned on, substances needing to be crushed such as broken stones and the like are put into the crusher shell 3, the broken stones are crushed by the crushing device 4, the motor 43 drives the rotating shaft 41 to rotate during crushing, the rotating shaft 41 drives the blade 42 to rotate at high speed, the blade 42 crushes the broken stones, the crusher shell 3 is fixed on the base 101 through the crusher shell support 2 during crushing, so that the crusher shell 3 is in an inclined state, the crushed broken stones slide onto the vibrating plate 52 along the inner wall of the crusher shell 3, before that, the vibrator 54 is turned on to vibrate the vibrating plate 52, when the vibrating plate 52 vibrates, the vibrating plate 52 generates force on the spring 53, the spring 53 generates deformation to generate reaction force on the vibrating plate 52 and the inner wall of the groove in the vibrating equipment shell 51 of the vibrating plate, and under the action of the force and the reaction, the, the crushed stone slides onto the vibrating plate 52, the holes of the vibrating plate 52 replace the action of the filter holes, and the crushed stone is discharged out of the crusher housing 3, while the crushed stone which is not completely crushed is continuously left in the crushing device 4 for crushing until the crushing is completely completed.

When the device is used for crushing, asphalt needs to be heated, the asphalt is put into the heating device 17, the motor III 171 is turned on, the heating ring 172 is heated, the motor drives the shaft 173 to rotate, the shaft 173 drives the heating ring 172 to rotate, and the heating ring 172 is used for stirring and heating the asphalt in the heating device 17.

The crushed stone powder is discharged out of the crusher housing 3, falls along the first blanking plate 6 to the upper part of the feeding hole 71, and then falls into the stirring device 8 from the feeding hole 71. When the crushed stone powder falls from the crusher housing 3, the telescopic rod 22 is contracted, so that the second blanking plate 21 is far away from one side of the telescopic rod 22 to rotate anticlockwise, then the second blanking plate 21 is opened, and the asphalt in the heating box 16 slides to the upper part of the feeding hole 71 along the second blanking plate 21 and falls into the stirring device 8 from the feeding hole 71. Open two motors 82, two motors 82 drive axis of rotation 81 and rotate, axis of rotation 81 drives stirring vane 83 and rotates, stir hot pitch and cold rubble powder that fall into agitating unit 8 inside, wherein hot pitch is disposable joining, cold rubble powder is located the conveyer belt, along with the conveyer belt rotates slowly to add agitating unit 8 in, at the stirring in-process, there is pitch to glue agitator tank 7 inner wall, so be connected with scraper blade 9 on axis of rotation 81, scraper blade 9 scrapes off agitator tank 7 inner wall adnexed material, then brings into the stirring in-process.

After the stirring process is finished, the asphalt concrete is discharged from the discharge ports 10 of the two discharge hoppers 23 respectively, the discharged asphalt concrete falls into the material box 13 below, the position of the shell 1 corresponding to the material box 13 is not closed, the material box 13 is opened, and the asphalt concrete is taken out.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Asphalt concrete apparatus for producing with novel screening structure, its characterized in that, including shell (1), its characterized in that: first through-hole (100) have been seted up to shell (1) side, shell (1) is inside to be close to first through-hole (100) one side and is provided with base station (101), fixed breaker shell support (2) that is provided with in base station (101) top, the inside fixedly connected with breaker shell (3) of breaker shell support (2), breaker shell (3) is inside to be close to first through-hole (100) one end and to be provided with breaker (4) fixedly, the fixed vibrating equipment (5) that is provided with of first through-hole (100) one end is kept away from in breaker shell (3) inside, vibrating equipment (5) are including vibrating board (52), be provided with a plurality of sieve meshes on vibrating board (52). The crusher shell (3) is far away from the end part of the first through hole (100) and is fixedly connected with a first blanking plate (6), and the lower end of the first blanking plate (6) is fixedly connected with a stirring box (7).

2. The asphalt concrete production device with the novel screening structure as claimed in claim 1, wherein a feeding hole (71) is formed in the top of the stirring box (7), a supporting plate (14) is fixedly arranged on one side, away from the first blanking plate (6), of the stirring box (7), a rod (15) is fixedly arranged on the opposite edge of the upper surface of the supporting plate (14), and a stirring device (8) is arranged inside the stirring box (7).

3. The asphalt concrete production device with a novel screening structure according to claim 2, wherein: vibration equipment (5) are including vibration equipment shell (51), vibration board (52), spring (53) and vibrator (54), vibration equipment shell (51) outside links to each other with breaker casing (3) inner wall, vibration equipment shell (51) are the ring form, vibration equipment shell (51) inner wall is seted up flutedly, vibration board (52) card is in the recess, vibration board (52) both sides are connected with a plurality of spring (53) respectively, vibration board (52) one end is kept away from in spring (53) and is linked to each other with the recess wall, vibration board (52) side is fixed and is provided with vibrator (54).

4. The asphalt concrete production device with a novel screening structure according to claim 2, wherein: crushing device (4) is including pivot (41), blade (42), motor (43) and support (44), two supports (44) of breaker casing (3) inner wall fixedly connected with, it is connected with pivot (41) to rotate between support (44), pivot (41) end fixing is provided with motor (43), pivot (41) are located axis body side fixedly connected with blade (42) between two supports (44).

5. The asphalt concrete production device with a novel screening structure according to claim 2, wherein: the utility model discloses a crusher, including crusher shell (3), crusher shell support (3) outside is provided with two crusher shell supports (2), crusher shell support (2) set up respectively at crusher shell (3) same diameter part both ends, crusher shell (3) direction is the same with base station (101) upper surface direction, crusher shell (3) are the slope setting, the feed inlet of crusher shell (3) tip is just to first through-hole (100).

6. The asphalt concrete production device with a novel screening structure according to claim 2, wherein: agitating unit (8) outside fixedly connected with scraper blade (9), agitator tank (7) lower part is fixed and is provided with discharge gate (10), agitator tank (7) outside is fixed and is provided with support ring (11), support ring (11) lower part fixedly connected with bracing piece (12), bracing piece (12) lower part fixed connection is provided with magazine (13), agitating unit (8) are including axis of rotation (81), motor two (82) and stirring vane (83), agitator tank (7) top is rotated and is connected with axis of rotation (81), axis of rotation (81) are located outer end fixing of agitator tank (7) and are provided with motor two (82), fixed stirring vane (83) that are provided with in axis of rotation (81) are located axle body side in agitator tank (7).

7. The asphalt concrete production device with a novel screening structure according to claim 1, wherein: a heating box (16) is fixed on the upper part of the rod (15), a heating device (17) is arranged in the heating box (16), two first connecting blocks (18) are fixedly arranged on the side surface of the heating box (16), connecting rods (19) penetrate through the first connecting blocks (18), the connecting rod (19) is fixedly connected with a second connecting block (20), the lower part of the second connecting block (20) is fixedly connected with a second blanking plate (21), an expansion rod (22) is fixedly connected between the second blanking plate (21) and the heating box (16), the heating device (17) comprises a motor III (171), a heating ring (172) and a shaft (173), the shaft (173) is rotatably arranged in the heating box (16), a motor III (171) is fixedly arranged at the outer end part of the shaft (173) positioned in the heating box (16), the shaft (173) is positioned at the inner end part of the heating box (16) and is fixedly connected with a heating ring (172).

8. The asphalt concrete production device with a novel screening structure according to claim 2, wherein: two discharge hoppers (23) are arranged below the stirring box, the discharge port (10) is positioned in the discharge hoppers (23), and the outlets of the discharge hoppers (23) are positioned right above the material box (13).

9. The method for producing the asphalt concrete is characterized by comprising the following steps: use of the asphalt concrete production plant with a novel screening structure according to claims 1-8.