CN114479495B - Crushing device - Google Patents
Crushing device Download PDFInfo
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- CN114479495B CN114479495B CN202210129287.2A CN202210129287A CN114479495B CN 114479495 B CN114479495 B CN 114479495B CN 202210129287 A CN202210129287 A CN 202210129287A CN 114479495 B CN114479495 B CN 114479495B
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- 238000000227 grinding Methods 0.000 claims abstract description 139
- 238000007599 discharging Methods 0.000 claims abstract description 19
- 230000008878 coupling Effects 0.000 claims 3
- 238000010168 coupling process Methods 0.000 claims 3
- 238000005859 coupling reaction Methods 0.000 claims 3
- 239000012634 fragment Substances 0.000 claims 2
- 239000011347 resin Substances 0.000 abstract description 90
- 229920005989 resin Polymers 0.000 abstract description 90
- 239000010426 asphalt Substances 0.000 abstract description 46
- 239000000843 powder Substances 0.000 abstract description 44
- 239000002245 particle Substances 0.000 abstract description 32
- 238000002360 preparation method Methods 0.000 abstract description 11
- 238000002844 melting Methods 0.000 abstract description 6
- 230000008018 melting Effects 0.000 abstract description 6
- 239000004088 foaming agent Substances 0.000 description 8
- 238000003756 stirring Methods 0.000 description 8
- 239000006260 foam Substances 0.000 description 6
- 239000003381 stabilizer Substances 0.000 description 6
- 239000002994 raw material Substances 0.000 description 5
- 239000002518 antifoaming agent Substances 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 239000013530 defoamer Substances 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000006864 oxidative decomposition reaction Methods 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000012258 stirred mixture Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000004966 Carbon aerogel Substances 0.000 description 1
- 206010042674 Swelling Diseases 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L95/00—Compositions of bituminous materials, e.g. asphalt, tar, pitch
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B13/00—Conditioning or physical treatment of the material to be shaped
- B29B13/10—Conditioning or physical treatment of the material to be shaped by grinding, e.g. by triturating; by sieving; by filtering
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention belongs to the technical field of modified asphalt, in particular to modified asphalt and a preparation method thereof, wherein a crushing device comprises a tank body, a feeding port, a grinding footstock, a grinding base, a motor, a main shaft and a discharging port; during operation, the resin particles are put into the tank body from the feeding hole, enter between the grinding footstock and the grinding base through the through hole, the motor drives the main shaft to rotate, drives the grinding base to rotate, grinds the resin particles between the grinding footstock and the grinding base, and the resin powder is rotationally brought into the discharging hole by the grinding base to be discharged, so that the crushing and grinding work of the resin particles is completed, the hot melting efficiency of the resin is improved, and the efficiency of modified asphalt and the quality of the modified asphalt are improved.
Description
Technical Field
The invention belongs to the technical field of modified asphalt, and particularly relates to a crushing device.
Background
The modified asphalt is asphalt binder prepared by adding external additives such as rubber, resin, high molecular polymer, ground rubber powder or other fillers in the preparation of asphalt, so that the performance of the asphalt is improved. The asphalt is mainly used for paving roads and roads, improves the flexibility and elasticity of the roads, resists cracking at low temperature, improves the wear resistance and energy consumption of the roads and prolongs the service life. The petroleum asphalt is modified to adapt to the severe use requirements, and the petroleum asphalt attracts attention.
One Chinese patent with publication number of CN110951266B discloses a high-performance modified asphalt and a preparation method thereof, wherein the high-performance modified asphalt is prepared from the following raw materials in parts by weight: 84% -93% of matrix asphalt, 6% -14% of carbon aerogel, 1% -3% of compatibilizer and 100% of raw materials in parts by weight. The high-performance modified asphalt provided by the invention has excellent ageing resistance and temperature sensing performance, plays an important role in promoting the sustainable development of road engineering, and is especially suitable for construction of asphalt pavement in western and high-altitude areas of China. The preparation process of the invention greatly reduces the heating temperature and the swelling development time in the traditional modified asphalt preparation process, reduces the resource consumption and has simple preparation method.
In the preparation process of the modified asphalt, resin needs to be added, most of the existing resin raw materials are resin particles, so that the granular resin is unfavorable for hot melting when heated and stirred, the granular resin with larger particle size cannot be completely melted in a short time, the prepared asphalt generates obvious granular feel, and the quality of the modified asphalt is reduced.
To this end, the invention provides a modified asphalt, a method for preparing the same, and a crushing device used for the same.
Disclosure of Invention
In order to overcome the deficiencies of the prior art, at least one technical problem presented in the background art is solved.
The technical scheme adopted for solving the technical problems is as follows: the modified asphalt provided by the invention comprises the following raw materials in parts by weight:
asphalt 100-150
20-40 parts of resin
0.1 to 1 percent of stabilizer
5-10 parts of vulcanizing agent
Foaming agent 0.1-1
0.1-1 parts of defoaming agent;
the stabilizer can slow down the reaction, maintain chemical equilibrium, reduce surface tension, prevent light and heat decomposition or oxidative decomposition, etc.; the foaming agent has higher surface activity, can effectively reduce the surface tension of liquid, is arranged on the surface of a liquid film by double electron layers to surround air, forms bubbles, and then forms foam by single bubbles; the defoamer can reduce the surface tension of water, solutions, suspensions, etc., prevent foam formation, or reduce or eliminate the original foam.
The preparation method of the modified asphalt is suitable for the modified asphalt, and comprises the following steps:
s1: resin particles are put into the tank body from the feeding hole, enter between the grinding footstock and the grinding base through the through hole, the motor drives the main shaft to rotate and drives the grinding base to rotate, the resin particles between the grinding footstock and the grinding base are ground, and the resin powder is brought into the discharging hole by the rotation of the grinding base and is discharged;
s2: adding powdery resin into asphalt, heating and stirring uniformly;
s3: adding a foaming agent into the uniformly stirred mixture, and stirring;
s4: after the foaming agent is added, stirring is continued, and a vulcanizing agent and a stabilizing agent are added at the same time;
s5: after the reaction is finished, cooling to 100 ℃; adding the defoaming agent, and stirring to obtain the modified asphalt.
Preferably, the crushing device in the step S2 comprises a tank body, a feeding hole, a grinding footstock, a grinding base, a motor, a main shaft and a discharging hole; the top of the tank body is fixedly connected with a feeding hole, the inner ring of the feeding hole is communicated with the inside of the tank body, the top of the inner wall of the tank body is fixedly connected with a grinding footstock, a through hole is formed in the middle of the grinding footstock, the inner bottom surface of the tank body rotates to press the grinding base, the top surface of the grinding base is in sliding fit with the bottom surface of the grinding footstock, the bottom of the tank body is fixedly connected with a motor, the rotating shaft of the motor is fixedly connected with a main shaft, the outer ring of the main shaft rotates to penetrate through the bottom wall of the tank body, the top end of the main shaft is fixedly connected with the middle of the bottom surface of the grinding base, the side surface of the tank body is fixedly connected with a discharging hole, and the inner ring of the discharging hole is communicated with the bottom of the outer ring of the grinding base; during operation, the resin particles are put into the tank body from the feeding hole, enter between the grinding footstock and the grinding base through the through hole, the motor drives the main shaft to rotate, drives the grinding base to rotate, grinds the resin particles between the grinding footstock and the grinding base, and the resin powder is rotationally brought into the discharging hole by the grinding base to be discharged, so that the crushing and grinding work of the resin particles is completed, the hot melting efficiency of the resin is improved, and the efficiency of modified asphalt and the quality of the modified asphalt are improved.
Preferably, a collecting ring groove is formed in the bottom of the inner ring of the tank body, the collecting ring groove is communicated with the inner ring of the feed opening, an arc-shaped pushing plate is fixedly connected to the outer ring of the bottom surface of the grinding base, and the bottom surface of the arc-shaped pushing plate is in sliding fit with the bottom surface of the collecting ring groove; during operation, the grinding base rotates to generate centrifugal force, so that the ground resin powder moves to the outer ring of the grinding base, the resin powder falls into the collecting ring groove, the grinding base drives the arc-shaped pushing plate to rotate, the resin powder in the collecting ring groove is pushed to move, the resin powder is pushed into the discharging opening, and the discharging speed of the resin powder is improved.
Preferably, the bottom of the inner ring of the tank body is fixedly connected with an annular filter plate, and the annular filter plate is positioned at the top of the collecting ring groove; when the resin powder falls into the collecting ring groove during operation, the resin powder falls onto the annular filter plate to filter the resin powder, so that the fineness of the resin powder is improved, and the quality of the modified asphalt is further improved.
Preferably, the bottom surface of the annular filter plate is fixedly connected with a plurality of arc-shaped elastic pieces, the bottom ends of the arc-shaped elastic pieces are fixedly connected with the inner wall of the tank body, the outer ring of the bottom surface of the grinding base is fixedly connected with annular teeth, and the bottom ends of the annular teeth are in sliding fit with the top surface of the annular filter plate; during operation, the grinding base rotates to drive the annular teeth to rotate, so that the annular teeth are attached to the annular filter plate to rotate to drive the annular filter plate to vibrate, the arc-shaped elastic sheet is driven to vibrate, the annular filter plate vibrates, the filtering efficiency of resin powder is accelerated, and the discharging rate of the resin powder is further improved.
Preferably, the top surface of the grinding base is fixedly connected with a plurality of annular concave blocks, the bottom surface of the grinding top base is fixedly connected with a plurality of annular convex blocks, and the annular convex blocks are in sliding fit with the annular concave blocks; during operation, the grinding base rotates to drive the annular concave block to be attached to the annular convex block to slide, resin particles are subjected to multi-layer grinding for many times, and the grinding efficiency of the resin particles and the fine degree of resin powder are further improved.
Preferably, the bottom surface of the grinding top seat is fixedly connected with a plurality of arc-shaped scrapers, the arc-shaped scrapers and the annular concave blocks are alternately distributed, the bottom surface of the arc-shaped scrapers is fixedly connected with a plurality of fluff, and the bottom surface of the fluff is in sliding fit with the top surface of the grinding base; during operation, when the grinding base rotates, the arc scraper is driven to rotate, so that the fluff cleans the top surface of the grinding base, and resin particles after crushing and grinding are cleaned between the annular concave block and the annular convex block of the next layer, so that the grinding efficiency of the resin particles is improved.
Preferably, the top surface of the middle part of the grinding base is fixedly connected with a vertical rod, the outer ring of the vertical rod is fixedly connected with a spiral blade, the outer ring of the spiral blade is in sliding fit with the inner ring of the through hole, and the diameter of the top spiral blade is larger than that of the bottom spiral blade; during operation, grind the base rotation, drive the pole setting and rotate, drive helical blade rotation, drive the resin granule down and remove downwards, simultaneously, reduced the probability that the resin granule was beated upwards.
The beneficial effects of the invention are as follows:
1. according to the modified asphalt and the preparation method thereof, the tank body, the feeding port, the grinding footstock, the grinding base, the motor, the main shaft and the discharging port are arranged; the resin particles are put into the tank body from the feeding hole, enter between the grinding footstock and the grinding base through the through hole, the motor drives the main shaft to rotate, drives the grinding base to rotate, grinds the resin particles between the grinding footstock and the grinding base, and the resin powder is rotationally brought into the discharging hole by the grinding base to be discharged, so that the crushing and grinding work of the resin particles is completed, the hot melting efficiency of the resin is improved, and the efficiency of modified asphalt and the quality of the modified asphalt are improved.
2. According to the modified asphalt and the preparation method thereof, the collecting ring groove, the arc-shaped push plate, the annular filter plate, the annular teeth and the arc-shaped elastic sheet are arranged; the grinding base rotates to drive the annular teeth to rotate, so that the annular teeth are attached to the annular filter plate to rotate to drive the annular filter plate to vibrate, the arc-shaped elastic sheet is driven to vibrate, and the annular filter plate vibrates to accelerate the filtration efficiency of resin powder; resin powder is rotated by the grinding base and brought to the outer lane of grinding base, and the resin powder falls to collect in the annular, grinds the base and drives the arc push pedal and rotate, promotes to collect the resin powder removal in the annular, pushes the resin powder in the feed opening, has improved the unloading rate of resin powder.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a perspective view of a first embodiment of the present invention;
FIG. 2 is a front view of a first embodiment of the invention;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
FIG. 4 is an enlarged view of a portion of FIG. 2 at B;
FIG. 5 is a partial cross-sectional view of a polishing pad according to a second embodiment of the present invention;
FIG. 6 is a flow chart of the preparation of the present invention;
in the figure: 1. a tank body; 2. a feeding port; 3. grinding the top seat; 4. grinding a base; 5. a motor; 6. a main shaft; 7. a feed opening; 8. a through hole; 9. collecting ring grooves; 10. an arc push plate; 11. an annular filter plate; 12. an arc-shaped elastic sheet; 13. annular teeth; 14. an annular concave block; 15. an annular bump; 16. arc scraper; 17. fluff; 18. a vertical rod; 19. a helical blade; 20. an inner cavity; 21. an impact block; 22. a round hole; 23. a slide bar; 24. and (3) a spring.
Detailed Description
The invention is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
Example 1
The modified asphalt provided by the embodiment of the invention comprises the following raw materials in parts by weight:
asphalt 100-150
20-40 parts of resin
0.1 to 1 percent of stabilizer
5-10 parts of vulcanizing agent
Foaming agent 0.1-1
0.1-1 parts of defoaming agent;
the stabilizer can slow down the reaction, maintain chemical equilibrium, reduce surface tension, prevent light and heat decomposition or oxidative decomposition, etc.; the foaming agent has higher surface activity, can effectively reduce the surface tension of liquid, is arranged on the surface of a liquid film by double electron layers to surround air, forms bubbles, and then forms foam by single bubbles; the defoamer can reduce the surface tension of water, solutions, suspensions, etc., prevent foam formation, or reduce or eliminate the original foam.
As shown in fig. 6, a method for preparing a modified asphalt, which is suitable for the above modified asphalt, comprises the steps of:
s1: resin particles are put into the tank body 1 from the feeding hole 2, enter between the grinding footstock 3 and the grinding base 4 through the through hole 8, the motor 5 drives the main shaft 6 to rotate and drives the grinding base 4 to rotate, the resin particles between the grinding footstock 3 and the grinding base 4 are ground, and the resin powder is discharged from the discharging hole 7 after being brought into the grinding base 4 to rotate;
s2: adding powdery resin into asphalt, heating and stirring uniformly;
s3: adding a foaming agent into the uniformly stirred mixture, and stirring;
s4: after the foaming agent is added, stirring is continued, and a vulcanizing agent and a stabilizing agent are added at the same time;
s5: after the reaction is finished, cooling to 100 ℃; adding the defoaming agent, and stirring to obtain the modified asphalt.
As shown in fig. 1 to 2, the crushing device in S2 includes a tank 1, a feed port 2, a grinding top seat 3, a grinding base 4, a motor 5, a main shaft 6 and a feed port 7; the top of the tank body 1 is fixedly connected with the feeding port 2, the inner ring of the feeding port 2 is communicated with the inside of the tank body 1, the top of the inner wall of the tank body 1 is fixedly connected with the grinding footstock 3, the middle part of the grinding footstock 3 is provided with a through hole 8, the inner bottom surface of the tank body 1 rotates to press the grinding base 4, the top surface of the grinding base 4 is in sliding fit with the bottom surface of the grinding footstock 3, the bottom of the tank body 1 is fixedly connected with the motor 5, the rotating shaft of the motor 5 is fixedly connected with the main shaft 6, the outer ring of the main shaft 6 rotates to penetrate through the bottom wall of the tank body 1, the top end of the main shaft 6 is fixedly connected with the middle part of the bottom surface of the grinding base 4, the side surface of the tank body 1 is fixedly connected with the discharging port 7, and the inner ring of the discharging port 7 is communicated with the bottom of the outer ring of the grinding base 4; during operation, resin particles are put into the tank body 1 from the feeding hole 2, enter between the grinding footstock 3 and the grinding base 4 through the through hole 8, the motor 5 drives the main shaft 6 to rotate, drives the grinding base 4 to rotate, grinds the resin particles between the grinding footstock 3 and the grinding base 4, and the resin powder is rotationally brought into the discharging hole 7 by the grinding base 4 to be discharged, so that crushing and grinding of the resin particles are completed, the hot melting efficiency of the resin is improved, and the efficiency of modified asphalt and the quality of the modified asphalt are improved.
As shown in fig. 3, a collecting ring groove 9 is formed in the bottom of the inner ring of the tank body 1, the collecting ring groove 9 is communicated with the inner ring of the feed opening 7, an arc-shaped push plate 10 is fixedly connected with the outer ring of the bottom surface of the grinding base 4, and the bottom surface of the arc-shaped push plate 10 is in sliding fit with the bottom surface of the collecting ring groove 9; during operation, the grinding base 4 rotates to generate centrifugal force, so that the ground resin powder moves to the outer ring of the grinding base 4, the resin powder falls into the collecting ring groove 9, the grinding base 4 drives the arc-shaped push plate 10 to rotate, the resin powder in the collecting ring groove 9 is pushed to move, the resin powder is pushed into the blanking opening 7, and the blanking rate of the resin powder is improved.
The bottom of the inner ring of the tank body 1 is fixedly connected with an annular filter plate 11, and the annular filter plate 11 is positioned at the top of the collecting ring groove 9; when the resin powder falls into the collecting ring groove 9 during operation, the resin powder falls onto the annular filter plate 11 to filter the resin powder, so that the fineness of the resin powder is improved, and the quality of the modified asphalt is further improved.
The bottom surface of the annular filter plate 11 is fixedly connected with a plurality of arc-shaped elastic pieces 12, the bottom ends of the arc-shaped elastic pieces 12 are fixedly connected with the inner wall of the tank body 1, the outer ring of the bottom surface of the grinding base 4 is fixedly connected with annular teeth 13, and the bottom ends of the annular teeth 13 are in sliding fit with the top surface of the annular filter plate 11; during operation, the grinding base 4 rotates to drive the annular teeth 13 to rotate, so that the annular teeth 13 are attached to the annular filter plate 11 to rotate to drive the annular filter plate 11 to vibrate, the arc-shaped elastic sheet 12 is driven to vibrate, the annular filter plate 11 vibrates, the filtering efficiency of resin powder is accelerated, and the discharging rate of the resin powder is further improved.
As shown in fig. 4, the top surface of the grinding base 4 is fixedly connected with a plurality of annular concave blocks 14, the bottom surface of the grinding top base 3 is fixedly connected with a plurality of annular convex blocks 15, and the annular convex blocks 15 are in sliding fit with the annular concave blocks 14; during operation, the grinding base 4 rotates to drive the annular concave block 14 to be attached to the annular convex block 15 to slide, and resin particles are subjected to multi-layer grinding for multiple times, so that the grinding efficiency of the resin particles and the fine degree of resin powder are further improved.
The bottom surface of the grinding top seat 3 is fixedly connected with a plurality of arc-shaped scrapers 16, the arc-shaped scrapers 16 and the annular concave blocks 14 are alternately distributed, the bottom surface of the arc-shaped scrapers 16 is fixedly connected with a plurality of fluff 17, and the bottom surface of the fluff 17 is in sliding fit with the top surface of the grinding base 4; when the grinding base 4 rotates in operation, the arc-shaped scraper 16 is driven to rotate, so that the fluff 17 cleans the top surface of the grinding base 4, and resin particles after crushing and grinding are cleaned between the annular concave block 14 and the annular convex block 15 of the next layer, so that the grinding efficiency of the resin particles is improved.
As shown in fig. 2, the top surface of the middle part of the grinding base 4 is fixedly connected with a vertical rod 18, the outer ring of the vertical rod 18 is fixedly connected with a spiral blade 19, the outer ring of the spiral blade 19 is in sliding fit with the inner ring of the through hole 8, and the diameter of the top spiral blade 19 is larger than that of the bottom spiral blade 19; during operation, the grinding base 4 rotates to drive the vertical rod 18 to rotate and the helical blade 19 to rotate, so that falling resin particles are driven to move downwards, and meanwhile, the probability of upward jumping of the resin particles is reduced.
Example two
As shown in fig. 5, in comparative example one, another embodiment of the present invention is: the grinding base 4 is internally provided with a plurality of inner cavities 20, impact blocks 21 are slidably arranged on two sides of each inner cavity 20, a plurality of round holes 22 are formed on adjacent surfaces of the impact blocks 21 on two sides, sliding rods 23 are slidably arranged in the round holes 22 on two sides, springs 24 are fixedly connected to adjacent surfaces of the impact blocks 21 on two sides, and inner rings of the springs 24 are sleeved on outer rings of the sliding rods 23; during operation, the grinding base 4 rotates, so that the impact block 21 generates centrifugal force, the impact block 21 impacts the inner wall of the inner cavity 20, the spring 24 is compressed, the generated elastic force pushes the impact block 21 to separate from the inner wall of the inner cavity 20 and is acted by centrifugal force again, the impact block 21 repeatedly impacts the inner wall of the inner cavity 20, the grinding base 4 vibrates, and resin powder on the top surface of the grinding base 4 shakes down, so that the cleaning degree of the grinding base 4 is improved.
When in operation, the device comprises: resin particles are put into the tank body 1 from the feeding hole 2, enter between the grinding footstock 3 and the grinding base 4 through the through hole 8, the motor 5 drives the main shaft 6 to rotate and drives the grinding base 4 to rotate, the annular concave block 14 is driven to be attached to the annular convex block 15 to slide, the resin particles are subjected to multi-layer grinding for many times, the arc scraper 16 is driven to rotate when the grinding base 4 rotates, the fluff 17 is enabled to clean the top surface of the grinding base 4, and the resin particles subjected to grinding and grinding are cleaned between the annular concave block 14 and the annular convex block 15 of the next layer;
resin powder is brought to the outer ring of the grinding base 4 by the rotation of the grinding base 4, the resin powder falls into the collecting ring groove 9, the resin powder falls onto the annular filter plate 11, the grinding base 4 rotates to drive the annular teeth 13 to rotate, so that the annular teeth 13 are attached to the annular filter plate 11 to rotate, the annular filter plate 11 is driven to vibrate, the arc-shaped elastic sheet 12 is driven to vibrate, the annular filter plate 11 vibrates, and the resin powder is filtered;
the grinding base 4 drives the arc-shaped pushing plate 10 to rotate, pushes resin powder in the collecting ring groove 9 to move, pushes the resin powder into the blanking opening 7, so that crushing and grinding of resin particles are completed, the hot melting efficiency of the resin is improved, and the efficiency of modified asphalt and the quality of the modified asphalt are improved.
The front, rear, left, right, up and down are all based on fig. 1 in the drawings of the specification, the face of the device facing the observer is defined as front, the left side of the observer is defined as left, and so on, according to the viewing angle of the person.
In the description of the present invention, it should be understood that the terms "center," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the scope of the present invention.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (2)
1. A comminution device, characterized in that: comprises a tank body (1), a feed opening (2), a grinding footstock (3), a grinding base (4), a motor (5), a main shaft (6) and a feed opening (7); the top of the tank body (1) is fixedly connected with a feeding hole (2), the inner ring of the feeding hole (2) is communicated with the inside of the tank body (1), the top of the inner wall of the tank body (1) is fixedly connected with a grinding footstock (3), a through hole (8) is formed in the middle of the grinding footstock (3), the grinding base (4) is rotatably arranged on the inner bottom surface of the tank body (1), the top surface of the grinding base (4) is in sliding fit with the bottom surface of the grinding footstock (3), a motor (5) is fixedly connected with the bottom of the tank body (1), a spindle (6) is fixedly connected with a spindle (6), the outer ring of the spindle (6) rotates to penetrate through the bottom wall of the tank body (1), the top end of the spindle (6) is fixedly connected with the middle of the bottom surface of the grinding base (4), a discharging hole (7) is fixedly connected on the side surface of the tank body (1), and the inner ring of the discharging hole (7) is communicated with the bottom of the grinding base (4);
the top surface of the grinding base (4) is fixedly connected with a plurality of annular concave blocks (14), the bottom surface of the grinding top seat (3) is fixedly connected with a plurality of annular convex blocks (15), and the annular convex blocks (15) are in sliding fit with the annular concave blocks (14);
the bottom surface of the grinding footstock (3) is fixedly connected with a plurality of arc-shaped scrapers (16), the arc-shaped scrapers (16) and the annular concave blocks (14) are alternately distributed, the bottom surface of the arc-shaped scrapers (16) is fixedly connected with a plurality of fluff (17), and the bottom surface of the fluff (17) is in sliding fit with the top surface of the grinding base (4);
a collecting ring groove (9) is formed in the bottom of the inner ring of the tank body (1), the collecting ring groove (9) is communicated with the inner ring of the blanking opening (7), an arc-shaped pushing plate (10) is fixedly connected to the outer ring of the bottom surface of the grinding base (4), and the bottom surface of the arc-shaped pushing plate (10) is in sliding fit with the bottom surface of the collecting ring groove (9);
an annular filter plate (11) is fixedly connected to the bottom of the inner ring of the tank body (1), and the annular filter plate (11) is positioned at the top of the collecting ring groove (9);
the bottom surface rigid coupling of annular filter plate (11) a plurality of arc shell fragment (12), the bottom of arc shell fragment (12) and the inner wall rigid coupling of jar body (1), the bottom surface outer lane rigid coupling annular tooth (13) of grinding base (4), the bottom of annular tooth (13) and the top surface sliding fit of annular filter plate (11).
2. A comminution device as claimed in claim 1, wherein: the grinding base is characterized in that the top surface of the middle part of the grinding base (4) is fixedly connected with a vertical rod (18), the outer ring of the vertical rod (18) is fixedly connected with a spiral blade (19), the outer ring of the spiral blade (19) is in sliding fit with the inner ring of the through hole (8), and the diameter of the spiral blade (19) at the top is larger than that of the spiral blade (19) at the bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210129287.2A CN114479495B (en) | 2022-02-11 | 2022-02-11 | Crushing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN108299839A (en) * | 2018-02-09 | 2018-07-20 | 山东星火科学技术研究院 | A kind of high stability modified pitch and preparation method thereof |
| CN214687363U (en) * | 2021-02-06 | 2021-11-12 | 蚌埠市思创沥青路面工程有限公司 | Asphalt grinding stirrer |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108299839A (en) * | 2018-02-09 | 2018-07-20 | 山东星火科学技术研究院 | A kind of high stability modified pitch and preparation method thereof |
| CN214687363U (en) * | 2021-02-06 | 2021-11-12 | 蚌埠市思创沥青路面工程有限公司 | Asphalt grinding stirrer |
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