CN114405634A - Mixed rubber grinding equipment for natural rock asphalt and matrix asphalt - Google Patents

Abstract

The invention discloses a mixing and colloid milling device for natural rock asphalt and matrix asphalt, which comprises a hopper, wherein the hopper is divided into a rock asphalt hopper and a matrix asphalt hopper by a partition plate from the middle, the upper end of a feeding channel at the bottom of the hopper is provided with a spherical feeder, one end of the spherical feeder is connected with a feeding motor, the bottom of the hopper is connected with a mortar through threads, the inner wall of the mortar is provided with a shearing blade, the inside of the mortar is provided with a pestle, the outside of the pestle is provided with a sectional grinding blade, the upper part of the pestle is provided with a crushing disc, the lower part of the mortar is provided with a discharge groove, and one side of the discharge groove is provided with a discharge hole. The fine grinding efficiency is greatly improved.

Description

A kind of mixed rubber grinding equipment for natural rock asphalt and matrix asphalt

technical field

The invention relates to the relevant technical field of asphalt production, in particular to a mixed rubber grinding device used for natural rock asphalt and matrix asphalt.

Background technique

Rock bitumen is a bituminous substance produced by the combined action of heat, pressure, oxidation, catalyst, bacteria, etc. after the deposition and change of oil for hundreds of millions of years. Rock bitumen is a natural asphalt modifier and is used in asphalt mixtures Among them, it has excellent road performance, so it is widely used, and it is often used in the production of asphalt glue in industry.

In the production of asphalt rubber, natural rock asphalt and matrix asphalt need to be mixed and crushed in a certain proportion, and then finely ground into a colloid. When the existing asphalt rubber grinding equipment is used, multiple pre-processes such as proportioning, mixing, and crushing need to be carried out in advance. It is time-consuming and labor-intensive, and the efficiency is insufficient, which requires a mixed rubber grinding equipment for natural rock asphalt and matrix asphalt.

SUMMARY OF THE INVENTION

In order to achieve the above-mentioned purpose, the present invention provides the following technical scheme: a kind of mixed rubber grinding equipment for natural rock asphalt and matrix asphalt, comprising a hopper, the hopper is divided into a rock asphalt hopper and a matrix asphalt hopper from the middle by a partition plate, The upper end of the feeding channel at the bottom of the hopper is provided with a spherical feeder, one end of the spherical feeder is connected with a feeding motor, the bottom of the hopper is connected with a mortar, and the inner wall of the mortar is machined with a shearing edge , the pestle is provided with a pestle, the outer side of the pestle is machined with segmented grinding edges, the upper part of the pestle is provided with a crushing disc, the bottom of the mortar is connected with a first helical gear, the first bevel The gear is matched with the second helical gear, the second helical gear is connected with the third helical gear through the transmission rod, the third helical gear is matched with the fourth helical gear, and the main motor is connected to the fourth helical gear , a discharge chute is arranged under the mortar, and a discharge port is opened on one side of the discharge chute.

Preferably, the spherical feeder is divided into a base asphalt feeder and a rock asphalt feeder from the middle by a partition plate, and the base asphalt feeder and the rock asphalt feeder are respectively provided with a base asphalt feeder Trough and rock asphalt feed trough.

Preferably, the size of the base asphalt feeding trough and the rock asphalt feeding trough are different, and the volume ratio is equal to the mixing ratio of the base asphalt and the rock asphalt.

Preferably, the upper part of the pestle is provided with an oblique angle, and the gap between the mortar and the pestle becomes smaller as the mortar and pestle go down.

Preferably, a plurality of groups of crushing teeth are welded on the crushing disc, the crushing teeth are densely distributed in a hexagonal diagonal line, and the tips of the crushing teeth are all oriented in a clockwise direction.

Preferably, a feeding agitator is arranged on the upper part of the crushing disc, and a fifth helical gear is connected to the stirring shaft below the feeding agitator through the pestle, and the fifth helical gear is fixedly connected to the rear side of the second helical gear. the sixth helical gear.

Preferably, the discharge chute is in the shape of an inclined funnel, and the position of the discharge port is the lowest point.

Compared with the prior art, the beneficial effects of the present invention are:

1. The present invention realizes automatic proportional feeding by separating the hopper and the spherical feeder, eliminating the operation of proportioning rock asphalt and matrix asphalt in advance, reducing the operation steps, and greatly improving the production. efficiency;

2. The present invention can pre-mix the asphalt and crush the large glued asphalt blocks before fine grinding by setting the feeding mixer and the crushing disc, which greatly improves the fine grinding efficiency.

Description of drawings

Fig. 1 is the front view structure schematic diagram of the present invention;

Fig. 2 is the side view sectional structure schematic diagram of the present invention;

Figure 3 is a schematic cross-sectional view of the transmission structure of the present invention;

Figure 4 is a schematic structural diagram of the spherical feeder of the present invention.

Numbers in the figure: 1. Hopper; 2. Separation plate; 3. Rock asphalt hopper; 4. Base asphalt hopper; 5. Feed channel; 6. Spherical feeder; 601, Base asphalt feeder; 602, Rock Asphalt feeder; 603, base asphalt feed trough; 604, rock asphalt feed trough; 7, feeding motor; 8, mortar; 9, shearing edge; 10, pestle; 11, segmented grinding blade; 12. Crushing disc; 13. Crushing tooth; 14. First helical gear; 15. Second helical gear; 16. Transmission rod; 17. Third helical gear; 18. Fourth helical gear; 19. Main motor; 20. Feeding agitator; 21, stirring shaft; 22, fifth helical gear; 23, sixth helical gear; 24, discharge chute; 25, discharge port.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Please refer to Figures 1-4, the present invention provides the following solutions:

Example 1:

A mixed rubber grinding equipment for natural rock asphalt and matrix asphalt, comprising a hopper 1, characterized in that: the hopper 1 is divided into a rock asphalt hopper 3 and a matrix asphalt hopper 4 from the middle by a partition plate 2, and the bottom of the hopper 1 is fed The upper end of the road 5 is provided with a spherical feeder 6, which is divided into a base asphalt feeder 601 and a rock asphalt feeder 602 from the middle by the partition plate 2, and the base asphalt feeder 601 and the rock asphalt feeder 601. The base asphalt feeding trough 603 and the rock asphalt feeding trough 604 are respectively opened on the feeder 602. The size of the matrix asphalt feeding trough 603 and the rock asphalt feeding trough 604 are different, and the volume ratio is equal to the mixing ratio of the matrix asphalt and the rock asphalt. In this way, the feeding motor 7 drives the spherical feeder 6 to rotate, and the rock asphalt feeder 602 and the matrix asphalt feeder 601 excavate the matrix asphalt and rock asphalt from the rock asphalt hopper 3 and the matrix asphalt hopper 4 respectively. When the feeding trough 604 and the base asphalt feeding trough 603 turn to the bottom, the base asphalt and rock asphalt will fall from the feeding channel 5, because the volume ratio of the base asphalt feeding trough 603 and the rock asphalt feeding trough 604 is equal to the base asphalt Mixing ratio with rock asphalt, so the ratio of each feeding is the same as the required mixing ratio. One end of the spherical feeder 6 is connected with a feeding motor 7, and the bottom of the hopper 1 is connected with a mortar 8 through threads. , the inner wall of the mortar 8 is processed with a shearing edge 9, the mortar 8 is provided with a pestle 10, the upper part of the mortar 10 is provided with an oblique angle, and the further down the mortar 8 and the mortar 10 are, the smaller the gap is, so that the asphalt particles along the In the process of flowing down the gap, it will be ground finer and finer, and the outer side of the pestle 10 is machined with a segmented grinding edge 11 .

Example 2:

A mixed rubber grinding equipment for natural rock asphalt and matrix asphalt. A crushing disc 12 is arranged on the upper part of the pestle 10. A plurality of groups of crushing teeth 13 are welded on the crushing disc 12, and the crushing teeth 13 are densely distributed in a hexagonal diagonal line. , and the tooth tips of the crushing teeth 13 are all facing the clockwise direction, so that when the crushing disc 12 rotates, the crushing teeth 13 densely arranged on the crushing disc 12 will crush the cemented asphalt blocks into small pieces, which is convenient for grinding, and the pestle 10 The bottom is connected with the first helical gear 14, the first helical gear 14 is matched with the second helical gear 15, the second helical gear 15 is connected with the third helical gear 17 through the transmission rod 16, the third helical gear 17 and the fourth helical gear 17 18, the main motor 19 is connected to the fourth helical gear 18, the upper part of the crushing disc 12 is provided with a feeding agitator 20, and the stirring shaft 21 below the feeding agitator 20 penetrates the pestle 10 and is connected to the fifth helical gear 22, the first The fifth helical gear 22 cooperates with the sixth helical gear 23 fixedly connected to the rear side of the second helical gear 15, so that the main motor 19 can simultaneously drive the pestle 10 and the feeding agitator 20 to rotate at different speeds and directions, and the pestle A discharge chute 24 is arranged below the 10, and a discharge port 25 is opened on one side of the discharge chute 24. The discharge chute 24 is in the shape of an inclined funnel, and the position of the discharge port 25 is the lowest point. The discharge chute 24 is in the shape of an inclined funnel, which is beneficial to the outflow of asphalt.

Working principle: When using this kind of mixed rubber grinding equipment for natural rock asphalt and matrix asphalt, first turn on the external power supply, and pour the rock asphalt and matrix asphalt into the rock asphalt bucket 3 and the matrix asphalt bucket 4 separately, and the feeding motor 7 Drive the spherical feeder 6 to rotate, the rock asphalt feeder 602 and the matrix asphalt feeder 601 excavate the matrix asphalt and rock asphalt from the rock asphalt hopper 3 and the matrix asphalt hopper 4 respectively. When the asphalt feeding trough 603 is turned downward, the base asphalt and rock asphalt will fall from the feed channel 5, because the volume ratio of the base asphalt feeding trough 603 and the rock asphalt feeding trough 604 is equal to the mixture of the base asphalt and rock asphalt Therefore, the ratio of each feeding is the same as the required mixing ratio. After the base asphalt and rock asphalt fall into the feeding channel 5, the main motor 19 drives the feeding agitator 20 to rotate counterclockwise at a low speed through gear transmission. The base asphalt and rock asphalt are pre-mixed before grinding, so that the two kinds of asphalt can be mixed more evenly. When the feeding agitator 20 rotates, it also pushes the raw materials down to contact with the crushing disc 12. The crushing teeth are densely arranged on the crushing disc 12. 13 will break the cemented asphalt blocks into small pieces, which is convenient for grinding, and at the same time, the main motor 19 will also drive the pestle 10 to rotate at a high speed in the opposite direction to the feeding agitator 20 through the cutting edge 9 and the segmented grinding edge 11. The asphalt is ground by rotating and shearing, and the ground asphalt colloid falls into the discharge chute 24 and flows out from the discharge port 25, thus completing a mixed rubber grinding equipment for natural rock asphalt and matrix asphalt.

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

Claims (7)

1. A mixed rubber grinding equipment for natural rock asphalt with matrix asphalt, comprising a hopper (1), characterized in that: the hopper (1) is divided into a rock asphalt hopper (3) from the middle by a partition plate (2) ) and a matrix asphalt hopper (4), a spherical feeder (6) is provided at the upper end of the feed channel (5) at the bottom of the hopper (1), and a feeding motor (6) is connected to one end of the spherical feeder (6). 7), the bottom of the hopper (1) is connected with a mortar (8) through threads, the inner wall of the mortar (8) is machined with a shearing edge (9), and the pestle (8) is provided with a pestle (8). 10), the outer side of the pestle (10) is machined with a segmented grinding edge (11), the upper part of the pestle (10) is provided with a crushing disc (12), and the bottom of the mortar (10) is connected with a first inclined a gear (14), the first helical gear (14) is matched with a second helical gear (15), and the second helical gear (15) is connected with a third helical gear (17) through a transmission rod (16), The third helical gear (17) is matched with the fourth helical gear (18), a main motor (19) is connected to the fourth helical gear (18), and a discharge is arranged under the mortar (10). A groove (24) is provided with a discharge port (25) on one side of the discharge groove (24). 2. A kind of mixing rubber grinding equipment for natural rock asphalt and matrix asphalt according to claim 1, characterized in that: the spherical feeder (6) is divided into the matrix from the middle by the partition plate (2) Asphalt feeder (601) and rock asphalt feeder (602), the base asphalt feeder (601) and rock asphalt feeder (602) are respectively provided with base asphalt feeding groove (603) and rock asphalt feeder (603) Bitumen feed chute (604). 3. A kind of mixed rubber grinding equipment for natural rock asphalt and matrix asphalt according to claim 2, characterized in that: the matrix asphalt feeding trough (603) and the rock asphalt feeding trough (604) are different in size , and the volume ratio is equal to the mixture ratio of base asphalt and rock asphalt. 4. A kind of mixing rubber grinding equipment for natural rock asphalt and matrix asphalt according to claim 1, characterized in that: the upper part of the pestle (10) is provided with an oblique angle, and the mortar (8) and the The further down the pestle (10) goes, the smaller the gap. 5. A kind of mixed rubber grinding equipment for natural rock asphalt and matrix asphalt according to claim 1, characterized in that: said crushing disc (12) is welded with a plurality of groups of crushing teeth (13), said crushing The teeth (13) are densely distributed in a hexagonal diagonal line, and the tooth tips of the crushing teeth (13) are all oriented in a clockwise direction. 6. A kind of mixing rubber grinding equipment for natural rock asphalt and matrix asphalt according to claim 1, characterized in that: the upper part of the crushing disc (12) is provided with a feeding agitator (20), the upper part of the A fifth helical gear (22) is connected to the stirring shaft (21) below the material stirrer (20) through the pestle (10), and the fifth helical gear (22) is fixedly connected to the rear side of the second helical gear (15). The sixth helical gear (23) is matched. 7. A kind of mixing rubber grinding equipment for natural rock asphalt and matrix asphalt according to claim 1, characterized in that: the discharge chute (24) is in the shape of an inclined funnel, and the position of the discharge port (25) to the lowest point.

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