CN213000274U

CN213000274U - Millstone type rubber mill for producing color asphalt

Info

Publication number: CN213000274U
Application number: CN202021824100.3U
Authority: CN
Inventors: 姜尧
Original assignee: Shanghai Roadphalt Asphalt Technology Co ltd
Current assignee: Shanghai Roadphalt Asphalt Technology Co ltd
Priority date: 2020-08-27
Filing date: 2020-08-27
Publication date: 2021-04-20
Anticipated expiration: 2030-08-27

Abstract

The utility model belongs to the technical field of color asphalt production, and discloses a millstone type rubber mill for color asphalt production, which comprises a rubber mill bin and a discharge device fixed at the bottom of the rubber mill bin; a feed pipe, a fixed grinding disc and a rotary grinding disc are sequentially arranged in the rubber grinding bin from top to bottom, and one end of the feed pipe penetrates through and extends to the outside of the rubber grinding bin; the fixed grinding disc is composed of an upper hopper type base disc and a lower hopper type base disc which are symmetrically matched, a blanking hole is formed in the center of the fixed grinding disc, the top of the rotary grinding disc is of an inclined plane structure, and a grinding cavity is formed between the top of the rotary grinding disc and the bottom of the fixed grinding disc; the distance between the rotating grinding disc and the fixed grinding disc is gradually reduced in the radial direction extending from the center to the edge of the rotating grinding disc; in conclusion, the color asphalt raw material can realize multi-stage grinding, so that the uniformity of the particle size of the raw material is ensured, and the mixing uniformity of the color asphalt raw material is improved.

Description

Millstone type rubber mill for producing color asphalt

Technical Field

The utility model belongs to the technical field of the production of colored pitch, concretely relates to mill formula rubber grinder of colored pitch production usefulness.

Background

The color asphalt is formed by mixing a toner and a colorless rubber material, so that the toner and the colorless rubber material need to be fully stirred and mixed before production; in the prior art, the mixing step is mostly completed in a manual operation mode, and the problems of low efficiency and insufficient uniformity in mixing exist. In addition, the raw materials of the toner and the colorless rubber compound have different particle sizes, which also affects the uniformity of mixing the toner and the colorless rubber compound.

The colloid mill is suitable for superfine grinding of wet materials, and can perform grinding, emulsification, homogenization and mixing of various semi-wet bodies and emulsion substances; therefore, in order to ensure the efficiency and uniformity of mixing the toner and the colorless rubber material in the production process of the colored asphalt, the application can provide the millstone type rubber mill which is effectively suitable for the production of the colored asphalt.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mill formula rubber grinder of colored pitch production usefulness specifically makes the toner and the colorless sizing material ability homogeneous mixing of colored pitch through the operation of grinding, mixing many times, effectively promotes colored pitch's production quality from this.

In order to achieve the above object, the utility model provides a following technical scheme: a millstone type rubber mill for producing color asphalt comprises a rubber mill bin and a discharge device fixed at the bottom of the rubber mill bin; wherein:

a feed pipe, a fixed grinding disc and a rotary grinding disc are sequentially arranged in the rubber grinding bin from top to bottom, and one end of the feed pipe penetrates through and extends to the outside of the rubber grinding bin;

the fixed grinding disc is composed of an upper hopper type base disc and a lower hopper type base disc which are symmetrically matched, a blanking hole is formed in the center of the fixed grinding disc, the top of the rotary grinding disc is of an inclined plane structure, and a grinding cavity is formed between the top of the rotary grinding disc and the bottom of the fixed grinding disc; the distance between the rotating grinding disc and the fixed grinding disc is gradually reduced in the radial direction extending from the center to the edge of the rotating grinding disc;

the diameter of the rotary grinding disc is smaller than that of the fixed grinding disc, a material guide channel is formed between the rotary grinding disc and the inner wall of the rubber grinding bin, and the material guide channel is communicated with the discharging device.

Preferably, the top in the storehouse is ground to the jiao, driving motor's output rotates and is connected with the drive pivot, the drive pivot extends to in the storehouse is ground to the jiao, runs through the blanking hole to with rotate the fixed coordination of mill.

Preferably, an inclined discharge cavity is formed in the discharge device, and a discharge opening is formed in the lower end of the discharge cavity.

Preferably, the slope a plurality of stirring subassembly is installed to the equidistance in the row material chamber, just the stirring subassembly is along with row material automatic rotation in row material chamber.

Preferably, each stirring assembly comprises a movable rotating shaft and at least four baffle blades, and the at least four baffle blades are uniformly welded on the outer wall of the movable rotating shaft in an annular array mode.

Preferably, a material guide inclined plate is welded between each two adjacent stirring assemblies, the inclined direction of the material guide inclined plate is the same as that of the material discharging cavity, and the inclined angle of the material guide inclined plate is larger than that of the material discharging cavity; the top of the material guide sloping plate is welded on the top wall of the material discharging cavity, and the bottom of the material guide sloping plate and the movable rotating shaft are both positioned on the central axis of the material discharging cavity.

Preferably, the welding has a limit support ring on the interior diapire in the storehouse is ground to the glue, limit support ring and rotation mill bottom sliding fit, just be formed with annular blown down tank between limit support ring and the gluey storehouse inner wall of grinding, the blown down tank switches on through guide passageway and gluey mill storehouse, just the discharge gate has been seted up to the blown down tank bottom to switch on through discharge gate and the high one end in row material chamber.

Preferably, the annular discharge chute is internally provided with at least one scraping plate at equal intervals, and the scraping plates are welded at the bottom of the rotary grinding disc.

Preferably, the millstone type rubber mill further comprises a base, the base is fixed at the bottom of the rubber mill bin, the discharge device is embedded in the base, and two ends of the discharge device penetrate through the base.

Compared with the prior art, the utility model, following beneficial effect has:

(1) the utility model discloses in, based on the cooperation of fixed mill and rotation mill, form one and advance to hold big, the little rubber-coated milling chamber of play end, make the color asphalt raw materials can realize multistage grinding from this to guarantee the homogeneity of its raw materials granule size, and then improve the homogeneity that the color asphalt raw materials mixes.

(2) The rotary grinding disc is correspondingly provided with a discharge chute, and a scraping plate synchronously rotating along with the rotary grinding disc is arranged in the discharge chute, so that the discharge of mixed raw materials after grinding is effectively realized, and the waste of the raw materials is reduced.

(3) To above-mentioned blown down tank, correspond to be equipped with the discharge device who switches on with it, seted up the row's of slope material chamber in the discharge device to realize the automatic discharging of colored pitch raw materials, and be equipped with a plurality of automatic pivoted stirring subassemblies at the row's of slope material intracavity equidistance, realize the further mixing of colored pitch raw materials from this.

(4) To above-mentioned stirring subassembly, by activity pivot and fender leaf constitute, and should stir the subassembly and arrange the material chamber of slope and mutually support, promote the automatic rotation of stirring subassembly in the automatic discharging of colored pitch raw materials from this to reach the effect of automatic stirring, need not external drive and mix effectually.

(5) Be equipped with the guide swash plate between above-mentioned two adjacent stirring subassemblies to this makes the colored pitch raw materials can at first with stirring subassembly in the ejection of compact in-process in the contact of the fender leaf of the least, thereby reaches the effect of accurate drive stirring subassembly, effectively avoids whole discharging device and stirring subassembly dead problem of card to appear with this.

Drawings

FIG. 1 is an external view of the present invention;

FIG. 2 is an external view of the present invention with the base removed;

FIG. 3 is a schematic structural view of the present invention;

FIG. 4 is a cross-sectional view taken along direction A of FIG. 3;

in the figure: 1-base, 2-discharge device, 21-discharge port, 22-discharge cavity, 23-stirring component, 24-movable rotating shaft, 25-blocking blade, 26-guide sloping plate, 3-feed pipe, 4-rubber grinding bin, 41-fixed grinding disc, 42-blanking hole, 43-rubber grinding cavity, 44-rotating grinding disc, 45-guide channel, 46-limit support ring, 47-discharge port, 48-discharge chute, 49-scraping plate, 5-driving motor and 51-driving rotating shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides the following technical solutions:

a mill head type rubber mill for producing colored asphalt comprises a rubber mill bin 4 and a discharge device 2 fixed at the bottom of the rubber mill bin 4; wherein:

a feed pipe 3, a fixed grinding disc 41 and a rotating grinding disc 44 are sequentially arranged in the rubber grinding bin 4 from top to bottom, and one end of the feed pipe 3 penetrates and extends to the outside of the rubber grinding bin 4;

the fixed grinding disc 41 is composed of an upper hopper type base disc and a lower hopper type base disc which are symmetrically matched, a blanking hole 42 is formed in the center of the fixed grinding disc 41, the top of the rotating grinding disc 44 is of an inclined plane structure, and a rubber grinding cavity 43 is formed between the top of the rotating grinding disc 44 and the bottom of the fixed grinding disc 41; the distance between the rotating abrasive disc 44 and the fixed abrasive disc 41 gradually decreases in a radial direction extending from the center of the rotating abrasive disc 44 to the edge;

the diameter of the rotary grinding disc 44 is smaller than that of the fixed grinding disc 41, a material guide channel 45 is formed between the rotary grinding disc 44 and the inner wall of the rubber grinding bin 4, and the material guide channel 45 is communicated with the discharging device 2.

From the above, the colloid mill principle of the whole colloid mill bin 4 is as follows:

firstly, a raw material to be ground is fed into a grinding bin 4 through a feeding pipe 3, and the raw material can fall into a middle blanking hole 42 based on the gravity and the fluidity of the raw material based on the structural form of an upper base plate in a fixed grinding disc 41 and then fall to the inlet end of a grinding cavity 43 through the blanking hole 42;

then, the rotating grinding disc 44 is started to rotate so as to bring the raw material at the inlet end of the rubber grinding cavity 43 into the rubber grinding cavity 43, and rubber grinding and crushing of the raw material are completed under the friction between the rotating grinding disc 44 and the fixed grinding disc 41; as the raw material is crushed, the raw material particles gradually decrease, and thus flow to the outlet end (edge of the rotating grinding disc 44) of the colloid grinding chamber 43 along the inclined plane at the top of the rotating grinding disc 44, and the size of the colloid grinding chamber 43 from the inlet end to the outlet end gradually decreases, so that the raw material can be subjected to colloid grinding for a plurality of times in the process of flowing to the outlet end of the colloid grinding chamber 43, and the uniformity of the raw material particles after colloid grinding is ensured;

finally, the materials after the rubber grinding fall into the material guide channel 45, and are guided into the material discharge device 2 through the material guide channel 45 for further mixing and material discharge.

Further, a driving motor 5 is fixed at the top of the rubber grinding bin 4, the output end of the driving motor 5 is rotatably connected with a driving rotating shaft 51, and the driving rotating shaft 51 extends into the rubber grinding bin 4, penetrates through the blanking hole 42 and is fixedly matched with the rotary grinding disc 44. Based on this, the rotation of the rotating grinding disc 44 is driven by the driving motor 5, and the rotating grinding disc 44 is driven to rotate by the driving rotating shaft 51, so that the automatic glue grinding of the whole grinding disc type glue grinding machine is realized. In addition, in actual production, an acceleration or deceleration device (not shown) may be added between the driving motor 5 and the driving shaft 51 to ensure that the rotating speed of the rotating grinding disc 44 can effectively meet the actual rubber grinding requirement.

Furthermore, the millstone type rubber mill further comprises a base 1, the base 1 is fixed at the bottom of the rubber mill bin 4, the discharge device 2 is embedded in the base 1, and two ends of the discharge device 2 penetrate through the base 1. Based on this, effectively guarantee whole mill formula offset mill and place and the stability of installation, still form effectual safeguard effect to discharge device 2 simultaneously.

The discharge device 2 has the following structure:

the discharge device 2 is provided with an inclined discharge chamber 22 therein, and a discharge outlet 21 is provided at a lower end of the discharge chamber 22. Therefore, after the materials after the rubber grinding fall into the material discharging cavity 22, automatic material discharging can be completed based on the gravity and the fluidity of the materials.

A plurality of stirring components 23 are equidistantly arranged in the inclined discharge cavity 22, and the stirring components 23 automatically rotate along with the discharge of the discharge cavity 22.

Each stirring assembly 23 includes a movable rotating shaft 24 and at least four blocking blades 25, and the at least four blocking blades 25 are uniformly welded on the outer wall of the movable rotating shaft 24 in an annular array.

Preferably, a material guiding inclined plate 26 is welded between each two adjacent stirring assemblies 23, the inclined direction of the material guiding inclined plate 26 is the same as the inclined direction of the material discharging cavity 22, and the inclined angle of the material guiding inclined plate 26 is larger than the inclined angle of the material discharging cavity 22; the top of the material guiding sloping plate 26 is welded on the top wall of the material discharging cavity 22, and the bottom of the material guiding sloping plate 26 and the movable rotating shaft 24 are both located on the central axis of the material discharging cavity 22.

Still in addition, regarding the conducting structure of above-mentioned discharge device 2 and rubber grinding storehouse 4, specifically include:

the welding has a limit support ring 46 on the interior diapire of the storehouse 4 is ground to the glue, and limit support ring 46 and the sliding fit in rotation mill 44 bottom, and is formed with annular blown down tank 48 between limit support ring 46 and the 4 inner walls of storehouse of the glue mill, and blown down tank 48 switches on with the storehouse 4 of the glue mill through guide passageway 45, and has seted up discharge gate 47 bottom the blown down tank 48 to switch on through discharge gate 47 and the high one end of row material chamber 22.

In summary, the discharge principle of the integral discharge device 2 is as follows:

the material after the rubber grinding falls into blown down tank 48 through guide channel 45, then falls into the high one end in row material chamber 22 through discharge gate 47 to based on its own gravity and mobility, from the lower one end of higher one end automatic flow to (right end flows to the left end in fig. 3), in this process, including the following process:

when falling down through the discharge port 47, the material first contacts with the a-baffle 25 in the first stirring assembly 23 (in fig. 3), so as to drive the first stirring assembly 23 to rotate clockwise, and the first stirring assembly 23 drives the b-baffle 25 to rotate synchronously when rotating, so that the material on the left side of the first stirring assembly 23 is taken up and is returned to the right side along with the rotating operation, and thus, the left side and the right side of the stirring assembly 23 are mixed; in addition, when first stirring subassembly 23 clockwise rotation, the material that falls is close to the diapire of row material chamber 22 gradually to flow to bin outlet 21 along arranging the material chamber 22 diapire, the material is based on the injecing of guide swash plate 26 this moment, flow in activity pivot 24 below, thereby guarantee that the material keeps off the leaf 25 contact with the b of second to the nth stirring subassembly 23 all the time, the stirring subassembly 23 that the drive corresponds from this effectively rotates, and reach the above-mentioned same stirring and mixing effect, and then effectively improve the homogeneity that the gluey mill of colored pitch raw materials mixes.

It is worth to be noted that at least 4 scraping plates 49 are equidistantly arranged in the annular discharging groove 48, and the scraping plates 49 are welded at the bottom of the rotating grinding disc 44. Based on this for rotating the mill 44 and can driving scraping plate 49 and rotate in step when rotating the rubber mill, and scraping plate 49's rotation can form the operation of scraping to the material of the interior gluey mill back of blown down tank 48 to this drives the material of gluing the back of grinding to discharge gate 47 department, thereby realizes making the material effectively fall into in the row material chamber 22, and guarantee that can not appear on the blown down tank 48 inner wall that the material remains, adnexed phenomenon.

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. The millstone type rubber mill for producing the color asphalt is characterized in that: comprises a rubber grinding bin (4) and a discharge device (2) fixed at the bottom of the rubber grinding bin (4); wherein:

a feed pipe (3), a fixed grinding disc (41) and a rotary grinding disc (44) are sequentially arranged in the rubber grinding bin (4) from top to bottom, and one end of the feed pipe (3) penetrates through and extends to the outside of the rubber grinding bin (4);

the grinding device is characterized in that the fixed grinding disc (41) is composed of two hopper-type base discs which are symmetrically matched up and down, a blanking hole (42) is formed in the center of the fixed grinding disc (41), the top of the rotating grinding disc (44) is of an inclined surface structure, and a grinding cavity (43) is formed between the top of the rotating grinding disc (44) and the bottom of the fixed grinding disc (41); the distance between the rotating grinding disc (44) and the fixed grinding disc (41) is gradually reduced in the radial direction extending from the center to the edge of the rotating grinding disc (44);

the diameter of the rotary grinding disc (44) is smaller than that of the fixed grinding disc (41), a material guide channel (45) is formed between the rotary grinding disc (44) and the inner wall of the rubber grinding bin (4), and the material guide channel (45) is communicated with the discharging device (2).

2. The millstone type rubber mill for producing colored asphalt according to claim 1, which is characterized in that: the top in storehouse (4) is ground to the glue is fixed with driving motor (5), the output rotation of driving motor (5) is connected with drive pivot (51), drive pivot (51) extend to in storehouse (4) is ground to the glue, run through blanking hole (42) to with rotation mill (44) fixed coordination.

3. The millstone type rubber mill for producing colored asphalt according to claim 1, which is characterized in that: an inclined discharging cavity (22) is formed in the discharging device (2), and a discharging opening (21) is formed in the lower end of the discharging cavity (22).

4. The millstone type rubber mill for producing colored asphalt according to claim 3, characterized in that: a plurality of stirring components (23) are installed in the inclined discharging cavity (22) at equal intervals, and the stirring components (23) automatically rotate along with discharging of the discharging cavity (22).

5. The millstone type rubber mill for producing the colored asphalt according to claim 4, characterized in that: each stirring assembly (23) comprises a movable rotating shaft (24) and at least four baffle blades (25), and the at least four baffle blades (25) are uniformly welded on the outer wall of the movable rotating shaft (24) in an annular array mode.

6. The millstone type rubber mill for producing the colored asphalt according to claim 5, characterized in that: a material guide inclined plate (26) is welded between every two adjacent stirring assemblies (23), the inclined direction of the material guide inclined plate (26) is the same as that of the discharging cavity (22), and the inclined angle of the material guide inclined plate (26) is larger than that of the discharging cavity (22); the top of the material guide sloping plate (26) is welded on the top wall of the material discharging cavity (22), and the bottom of the material guide sloping plate (26) and the movable rotating shaft (24) are both positioned on the central axis of the material discharging cavity (22).

7. The millstone type colloid mill for producing colored asphalt according to any one of claims 3 to 5, characterized in that: the welding has a limit support ring (46) on the interior diapire in storehouse (4) is ground to the glue, limit support ring (46) and rotation mill (44) bottom sliding fit, just be formed with annular blown down tank (48) between limit support ring (46) and the gluey storehouse (4) inner wall of grinding, blown down tank (48) are switched on with gluey storehouse (4) through guide passageway (45), just discharge gate (47) have been seted up to blown down tank (48) bottom to switch on through discharge gate (47) and the high one end in row material chamber (22).

8. The millstone type rubber mill for producing colored asphalt according to claim 7, characterized in that: the annular discharge chute (48) is internally provided with at least 4 scraping plates (49) at equal intervals, and the scraping plates (49) are welded at the bottom of the rotary grinding disc (44).

9. The millstone type rubber mill for producing colored asphalt according to claim 1, which is characterized in that: the millstone type rubber mill further comprises a base (1), the base (1) is fixed at the bottom of the rubber mill bin (4), the discharging device (2) is embedded into the base (1), and two ends of the discharging device (2) penetrate through the base (1).