CN220696468U

CN220696468U - Mixing arrangement for warm mix pitch

Info

Publication number: CN220696468U
Application number: CN202322190318.8U
Authority: CN
Inventors: 徐思田; 殷琪; 秦可畏; 孙健; 孙国良
Original assignee: Zhongyifeng Suzhou Materials Technology Co ltd
Current assignee: Zhongyifeng Suzhou Materials Technology Co ltd
Priority date: 2023-08-15
Filing date: 2023-08-15
Publication date: 2024-04-02
Anticipated expiration: 2033-08-15

Abstract

The utility model discloses a mixing device for warm mix asphalt, relates to the technical field of asphalt mixing, and aims to solve the problems that asphalt is easy to remain on the inner wall of a mixing barrel when existing asphalt is mixed, a vertical scraping plate is used for cleaning, and asphalt is piled up because gravity vertically and slowly falls down along the scraping plate, so that cleaning efficiency is low. A fixed top cover is arranged above the mixing barrel, a variable frequency motor is arranged at the upper end of the fixed top cover, a mixing shaft is arranged at the lower end of the variable frequency motor, and a mixing blade is arranged on the outer wall of the mixing shaft; further comprises: the rotating plate is arranged outside the mixing shaft and is fixedly welded with the mixing shaft, shaft grooves are formed in the centers of the rotating plate and the fixed top cover, the mixing shaft penetrates through the shaft grooves, and ball bearings are arranged in the shaft grooves; and the inclined scrapers are arranged on two sides of the mixing shaft, the inclined scrapers are in an inclined shape, and one end of each inclined scraper is provided with an adjusting plate.

Description

Mixing arrangement for warm mix pitch

Technical Field

The utility model relates to the technical field of asphalt mixing, in particular to a mixing device for warm mix asphalt.

Background

Asphalt is a blackish brown complex mixture composed of hydrocarbon compounds with different molecular weights and nonmetallic derivatives thereof, is one of high-viscosity organic liquids, mostly exists in a liquid or semisolid petroleum form, has a black surface, is soluble in carbon disulfide and carbon tetrachloride, is a waterproof, moistureproof and anticorrosive organic cementing material, and can be mainly divided into three types of coal tar asphalt, petroleum asphalt and natural asphalt: the coal tar pitch is a coking byproduct, and is mainly used in industries such as paint, plastics, rubber and the like, paved roads and the like, and the pitch is required to be heated, mixed and stirred during use so as to avoid coagulation.

However, when the existing asphalt is mixed, the asphalt is easy to remain on the inner wall of the mixing barrel, and for cleaning, a vertical scraping plate is used for cleaning, and the asphalt is accumulated together, and because gravity vertically and slowly falls down along the scraping plate, the cleaning efficiency is low; therefore, the prior requirements are not met, and a mixing device for warm mix asphalt is provided.

Disclosure of Invention

The utility model aims to provide a mixing device for warm mix asphalt, which solves the problems that asphalt is easy to remain on the inner wall of a mixing barrel when the existing asphalt is mixed in the prior art, and for cleaning, a vertical scraping plate is used for cleaning, and asphalt is piled up, and the gravity vertically and slowly falls down along the scraping plate, so that the cleaning efficiency is low.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a mixing device for warm mix asphalt, comprising: the mixing device comprises a mixing barrel, wherein a fixed top cover is arranged above the mixing barrel, a variable frequency motor is arranged at the upper end of the fixed top cover, a mixing shaft is arranged at the lower end of the variable frequency motor, and a mixing blade is arranged on the outer wall of the mixing shaft;

further comprises:

the rotating plate is arranged outside the mixing shaft and is fixedly welded with the mixing shaft, shaft grooves are formed in the centers of the rotating plate and the fixed top cover, the mixing shaft penetrates through the shaft grooves, and ball bearings are arranged in the shaft grooves;

the inclined scrapers are arranged on two sides of the mixing shaft and are inclined, one end of each inclined scraper is provided with an adjusting plate, and the adjusting plates and the inclined scrapers are of an integrated structure.

Preferably, the upper end of the adjusting plate is provided with a single-head fastener, the single-head fastener is in threaded connection with the adjusting plate, and a fixing nut is arranged outside the single-head fastener.

Preferably, the lower surface of the rotating plate is provided with an adjusting groove, the adjusting plate is inserted into the adjusting groove, the inner top surface of the adjusting groove and the upper surface of the fixed top cover are both provided with fastener holes, and the fastener holes penetrate through the rotating plate and the fixed top cover.

Preferably, the inside of mixing drum is provided with the inner bag, be provided with the heating chamber between mixing drum and the inner bag, the upper end of heating chamber is provided with the filling opening, the inside of inner bag is provided with the mixing chamber, and the mixing chamber is integrated with the inner bag structure as an organic whole, the lower extreme of mixing drum is provided with the constant temperature base.

Preferably, the rear end of fixed top cap is provided with the installation curb plate, the upper and lower both ends of installation curb plate all are provided with threaded fastener, and the installation curb plate both ends pass through threaded fastener respectively with mixing drum and fixed top cap threaded connection.

Preferably, the front end of the mixing barrel is provided with a discharging pipe, the discharging pipe is connected with the mixing barrel in a welded mode, and the upper end of the injection port is provided with a sealing plug.

Preferably, the outer wall of one end of the variable frequency motor is provided with a motor fixing seat, and the motor fixing seat is in threaded connection with the fixed top cover through an external bolt.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the rotating plate is arranged at the lower end of the fixed top cover, the two inclined scrapers are arranged at the lower end of the rotating plate, the adjusting plates of the two inclined scrapers are respectively inserted into the two adjusting grooves on the lower surface of the rotating plate, the inclined scrapers are limited, rotation deflection is avoided, one end of a single-head fastening piece penetrates through the fastening piece holes of the fixed top cover and the rotating plate and is in threaded fixation with the adjusting plate, and the height of the inclined scrapers is adjusted through the single-head fastening piece and the fixing nut, so that the height of the contact position of the inclined scrapers with the inner wall of the mixing cavity is adjusted.

2. Through setting up the inner bag inside the mixing drum, set up the heating chamber between mixing drum and the inner bag, through filling opening to heat the intracavity portion and add water, utilize the constant temperature base to heat, the temperature comes up the back, for mixing intracavity portion heating through heat transfer, but not directly heat the mixing drum, improved the homogeneity of inner bag heating all around, and also play the effect of reducing the energy, open the sealing plug, play the air release effect, avoid heating intracavity portion atmospheric pressure too big to cause the incident to take place, improve the security, the constant temperature base makes current electromagnetic heating mechanism.

Drawings

FIG. 1 is a schematic illustration of the tamper evident structure of the mixing drum and stationary roof of the present utility model;

FIG. 2 is a schematic elevational view of the tilting pad of the present utility model;

FIG. 3 is a schematic top view of the top surface of the top cover of the present utility model;

FIG. 4 is a schematic view of the internal cross-sectional structure of the mixing drum of the present utility model;

FIG. 5 is a schematic view of the lower surface structure of the rotating plate according to the present utility model;

in the figure: 1. a mixing drum; 2. a mixing chamber; 3. a discharge pipe; 4. a constant temperature base; 5. fixing the top cover; 6. installing a side plate; 7. a threaded fastener; 8. a variable frequency motor; 9. a motor fixing seat; 10. a mixing shaft; 11. mixing leaves; 12. a tilting blade; 13. a single-headed fastener; 14. a sealing plug; 15. an adjusting plate; 16. a fixing nut; 17. a shaft groove; 18. a ball bearing; 19. a fastener hole; 20. an inner container; 21. a heating chamber; 22. an injection port; 23. a rotating plate; 24. and an adjusting groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-5, an embodiment of the present utility model is provided: a mixing device for warm mix asphalt, comprising: the mixing drum 1, the top of the mixing drum 1 is provided with a fixed top cover 5, the upper end of the fixed top cover 5 is provided with a variable frequency motor 8, the lower end of the variable frequency motor 8 is provided with a mixing shaft 10, and the outer wall of the mixing shaft 10 is provided with a mixing blade 11;

further comprises:

a rotating plate 23 which is arranged outside the mixing shaft 10, wherein the rotating plate 23 is welded and fixed with the mixing shaft 10, the centers of the rotating plate 23 and the fixed top cover 5 are respectively provided with a shaft groove 17, the mixing shaft 10 penetrates through the shaft grooves 17, and the inside of the shaft grooves 17 is provided with ball bearings 18;

and inclined blades 12 provided on both sides of the mixing shaft 10, and the inclined blades 12 are inclined, one end of the inclined blades 12 is provided with an adjusting plate 15, and the adjusting plate 15 and the inclined blades 12 are integrally constructed.

The variable frequency motor 8 is started to drive the mixing shaft 10 to rotate, so that asphalt is mixed by means of the mixing blade 11, the mixing shaft 10 rotates to drive the rotating plate 23 to rotate, two inclined scraping plates 12 rotate along the inner wall of the mixing cavity 2 to clean the asphalt on the inner wall of the mixing cavity 2, and due to the inclined scraping plates 12, when the asphalt is cleaned, the asphalt is deposited in a falling mode instead of a vertical mode, so that the cleaning efficiency is improved.

Referring to fig. 1 and 2, the upper end of the adjusting plate 15 is provided with a single-head fastener 13, the single-head fastener 13 is in threaded connection with the adjusting plate 15, a fixing nut 16 is arranged outside the single-head fastener 13, one end of the single-head fastener 13 penetrates through fastener holes 19 of the fixed top cover 5 and the rotating plate 23 and is in threaded fixation with the adjusting plate 15, and height adjustment is performed through the single-head fastener 13 and the fixing nut 16, so that the height of the contact position between the inclined scraping plate 12 and the inner wall of the mixing cavity 2 is adjusted, the asphalt mixing device is suitable for mixing asphalt with different amounts, and flexibility is improved.

Referring to fig. 1, 3 and 5, the lower surface of the rotating plate 23 is provided with an adjusting groove 24, and the adjusting plate 15 is inserted into the adjusting groove 24, the inner top surface of the adjusting groove 24 and the upper surface of the fixed top cover 5 are both provided with fastener holes 19, and the fastener holes 19 penetrate through the rotating plate 23 and the fixed top cover 5, and the adjusting plates 15 of the two inclined scrapers 12 are respectively inserted into the two adjusting grooves 24 on the lower surface of the rotating plate 23, so that the inclined scrapers 12 have a limiting effect and avoid rotation deviation.

Referring to fig. 1 and 4, an inner container 20 is arranged in a mixing barrel 1, a heating cavity 21 is arranged between the mixing barrel 1 and the inner container 20, an injection opening 22 is arranged at the upper end of the heating cavity 21, a mixing cavity 2 is arranged in the inner container 20, the mixing cavity 2 and the inner container 20 are of an integrated structure, a constant temperature base 4 is arranged at the lower end of the mixing barrel 1, water is added into the heating cavity 21 through the injection opening 22, the constant temperature base 4 is utilized for heating, after water temperature rises, the inner part of the mixing cavity 2 is heated through heat transfer, a sealing plug 14 is opened, the air leakage effect is achieved, safety accidents caused by overlarge air pressure in the heating cavity 21 are avoided, and safety is improved.

Referring to fig. 1 and 3, the rear end of the fixed top cover 5 is provided with a mounting side plate 6, the upper and lower ends of the mounting side plate 6 are respectively provided with a threaded fastener 7, and the two ends of the mounting side plate 6 are respectively in threaded connection with the mixing drum 1 and the fixed top cover 5 through the threaded fasteners 7, so that the fixed top cover 5 is convenient to mount and dismount.

Referring to fig. 1, a discharging pipe 3 is disposed at the front end of a mixing barrel 1, the discharging pipe 3 is welded with the mixing barrel 1, a sealing plug 14 is disposed at the upper end of an injection port 22, residual asphalt is cleaned conveniently through the discharging pipe 3, and the injection port 22 is sealed through the sealing plug 14, so that a dust-proof effect is achieved.

Referring to fig. 1, a motor fixing seat 9 is disposed on an outer wall of one end of the variable frequency motor 8, and the motor fixing seat 9 is screwed with the fixed top cover 5 through an external bolt to fix the variable frequency motor 8.

Working principle: when in use, the adjusting plates 15 of the two inclined scraping plates 12 are respectively inserted into the two adjusting grooves 24 on the lower surface of the rotating plate 23, the inclined scraping plates 12 are limited, the rotation deflection is avoided, one end of the single-head fastening piece 13 penetrates through the fastening piece holes 19 of the fixed top cover 5 and the rotating plate 23 and is in threaded fixation with the adjusting plates 15, and the height of the contact position of the inclined scraping plates 12 and the inner wall of the mixing cavity 2 is adjusted through the single-head fastening piece 13 and the fixing nut 16, so that the height of the contact position of the inclined scraping plates 12 and the inner wall of the mixing cavity 2 is adjusted, the asphalt mixing device is suitable for mixing different amounts of asphalt, the flexibility is improved, the contact surface of the inclined scraping plates 12 and the inner wall of the mixing cavity 2 is arc-shaped, the rotation along the inner wall of the mixing cavity 2 is facilitated, the two ends of the mounting side plates 6 are respectively in threaded connection with the mixing barrel 1 and the fixed top cover 5 through the threaded fastening pieces 7, realize fixed top cap 5 and mixing drum 1 are fixed, start inverter motor 8, drive mixing shaft 10 and rotate, thereby rely on mixing leaf 11 to carry out the mix operation to pitch, and mixing shaft 10 rotates and drives rotor plate 23 and rotate, just also realize that two slope scraper blades 12 rotate along mixing chamber 2 inner wall, clear up the pitch of mixing chamber 2 inner wall, because slope scraper blade 12 is the slope form, when clearing up like this, pitch will appear falling pile up, but not vertical shape pile up, cleaning efficiency has been improved, water is added to heating chamber 21 inside through filling opening 22, utilize constant temperature base 4 to heat, the temperature is up after, heat for mixing chamber 2 inside heating through heat transfer, open sealing plug 14, play the effect of leaking gas, avoid heating chamber 21 inside atmospheric pressure too big cause the incident emergence, improve the security.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a mixing arrangement for warm mix asphalt, includes mixing barrel (1), the top of mixing barrel (1) is provided with fixed top cap (5), the upper end of fixed top cap (5) is provided with inverter motor (8), the lower extreme of inverter motor (8) is provided with mixing shaft (10), the outer wall of mixing shaft (10) is provided with mixing leaf (11);

the method is characterized in that: further comprises:

the rotating plate (23) is arranged outside the mixing shaft (10), the rotating plate (23) is fixedly welded with the mixing shaft (10), shaft grooves (17) are formed in the centers of the rotating plate (23) and the fixed top cover (5), the mixing shaft (10) penetrates through the shaft grooves (17), and ball bearings (18) are arranged inside the shaft grooves (17);

and the inclined scrapers (12) are arranged on two sides of the mixing shaft (10), the inclined scrapers (12) are in an inclined shape, one end of each inclined scraper (12) is provided with an adjusting plate (15), and the adjusting plates (15) and the inclined scrapers (12) are of an integral structure.

2. The mixing device for warm mix asphalt according to claim 1, wherein: the upper end of the adjusting plate (15) is provided with a single-head fastener (13), the single-head fastener (13) is in threaded connection with the adjusting plate (15), and a fixing nut (16) is arranged outside the single-head fastener (13).

3. The mixing device for warm mix asphalt according to claim 1, wherein: the lower surface of rotation board (23) is provided with adjustment tank (24), and inside adjustment tank (24) are inserted in adjustment board (15), the inside top surface of adjustment tank (24) and the upper surface of fixed top cap (5) all are provided with fastener hole (19), and fastener hole (19) run through rotation board (23) and fixed top cap (5).

4. The mixing device for warm mix asphalt according to claim 1, wherein: the inside of mixing barrel (1) is provided with inner bag (20), be provided with heating chamber (21) between mixing barrel (1) and inner bag (20), the upper end of heating chamber (21) is provided with filling opening (22), the inside of inner bag (20) is provided with mixing chamber (2), and mixing chamber (2) and inner bag (20) are integrated into one piece structure, the lower extreme of mixing barrel (1) is provided with constant temperature base (4).

5. The mixing device for warm mix asphalt according to claim 1, wherein: the rear end of fixed top cap (5) is provided with installation curb plate (6), the upper and lower both ends of installation curb plate (6) all are provided with threaded fastener (7), and install curb plate (6) both ends through threaded fastener (7) with mixing drum (1) and fixed top cap (5) threaded connection respectively.

6. The mixing device for warm mix asphalt according to claim 4, wherein: the front end of the mixing barrel (1) is provided with a discharging pipe (3), the discharging pipe (3) is connected with the mixing barrel (1) in a welded mode, and the upper end of the injection opening (22) is provided with a sealing plug (14).

7. The mixing device for warm mix asphalt according to claim 1, wherein: the variable frequency motor is characterized in that a motor fixing seat (9) is arranged on the outer wall of one end of the variable frequency motor (8), and the motor fixing seat (9) is in threaded connection with the fixed top cover (5) through an external bolt.