CN116459733B - Constant temperature kneading and mixing equipment for sulfonated asphalt production - Google Patents
Constant temperature kneading and mixing equipment for sulfonated asphalt production Download PDFInfo
- Publication number
- CN116459733B CN116459733B CN202310710860.3A CN202310710860A CN116459733B CN 116459733 B CN116459733 B CN 116459733B CN 202310710860 A CN202310710860 A CN 202310710860A CN 116459733 B CN116459733 B CN 116459733B
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- driving
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- mixing bin
- stirring rod
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- 238000002156 mixing Methods 0.000 title claims abstract description 89
- 239000010426 asphalt Substances 0.000 title claims abstract description 44
- 238000004898 kneading Methods 0.000 title claims abstract description 13
- 238000004519 manufacturing process Methods 0.000 title claims description 6
- 238000003756 stirring Methods 0.000 claims abstract description 58
- 238000007790 scraping Methods 0.000 claims abstract description 32
- 230000000149 penetrating effect Effects 0.000 claims description 21
- 230000007246 mechanism Effects 0.000 claims description 16
- 230000005540 biological transmission Effects 0.000 claims description 8
- 238000004891 communication Methods 0.000 claims description 5
- 239000002994 raw material Substances 0.000 abstract description 40
- 238000000034 method Methods 0.000 abstract description 9
- 230000008569 process Effects 0.000 abstract description 7
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 14
- 230000009471 action Effects 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000006277 sulfonation reaction Methods 0.000 description 3
- 238000013329 compounding Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/90—Heating or cooling systems
- B01F35/95—Heating or cooling systems using heated or cooled stirrers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/10—Maintenance of mixers
- B01F35/12—Maintenance of mixers using mechanical means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/90—Heating or cooling systems
- B01F2035/99—Heating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
- B01F2101/38—Mixing of asphalt, bitumen, tar or pitch or their ingredients
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Accessories For Mixers (AREA)
Abstract
The invention discloses constant-temperature kneading and mixing equipment for producing sulfonated asphalt, which relates to the technical field of mixing devices and comprises a mixing bin, a driving shaft, a rotating arm, a communicating cavity, a hollow stirring rod and a scraping sleeve, wherein the driving unit is used for driving the scraping sleeve to axially reciprocate along the hollow stirring rod when the driving shaft rotates; according to the invention, the scraping sleeve is arranged, so that the scraping sleeve can reciprocate when the driving shaft rotates, and asphalt raw materials adhered to the hollow stirring rod can be scraped in the reciprocating movement process of the scraping sleeve, so that the asphalt raw materials are prevented from adhering to the hollow stirring rod, and the heat exchange between the hollow stirring rod and the asphalt raw materials is prevented from being influenced.
Description
Technical Field
The invention relates to the technical field of mixing devices, in particular to constant-temperature kneading mixing equipment for producing sulfonated asphalt.
Background
When asphalt is subjected to sulfonation reaction, the asphalt raw material and the sulfuric acid raw material are required to be put into mixing equipment, and the mixing equipment is heated, so that the asphalt and the sulfuric acid raw material are subjected to sulfonation reaction, and the asphalt raw material and the sulfuric acid raw material are stirred in the mixing equipment through a stirring mechanism.
Because it heats the compounding equipment to need to carry out constant temperature, and then heats the pitch raw materials, heating device when heating the pitch raw materials, the pitch raw materials probably adheres to the heating device surface, gives off the heat to heating device and influences, and then influences heating device to the heating effect of pitch raw materials, so need one kind can reduce the compounding device of pitch raw materials adhesion.
Therefore, we propose a constant temperature kneading and mixing device for producing sulfonated asphalt.
Disclosure of Invention
The invention aims to provide constant-temperature kneading and mixing equipment for producing sulfonated asphalt, which solves the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: constant temperature kneading and mixing equipment for sulfonated asphalt production comprises a mixing bin with a discharge hole at the bottom, and further comprises:
two driving shafts which are rotationally connected to the mixing bin and hollow in the interior;
a plurality of rotating arms arranged at one end of the driving shaft penetrating into the mixing bin, wherein a communication cavity communicated with the inside of the driving shaft is formed in the rotating arms;
the hollow stirring rod is horizontally connected to the rotating arm and extends in a direction away from the driving shaft, and the inside of the hollow stirring rod is communicated with the communication cavity;
the scraping sleeve is sleeved on the hollow stirring rod and can freely slide on the hollow stirring rod;
and the driving unit is used for driving the scraping sleeve to axially reciprocate along the hollow stirring rod when the driving shaft rotates.
Preferably, a motor is installed on the mixing bin, a first belt wheel is sleeved on an output shaft of the motor, second belt wheels are sleeved on the two driving shafts respectively, and a triangular belt is sleeved between the first belt wheel and the two second belt wheels.
Preferably, one end of the driving shaft penetrating out of the mixing bin is rotatably connected with a rotary joint.
Preferably, one end of the hollow stirring rod, which is far away from the driving shaft, is commonly connected with a rotating ring, an annular protruding part is arranged on the inner wall of the mixing bin, and the rotating ring is rotationally sleeved on the annular protruding part.
Preferably, the driving unit includes:
the fixed column is horizontally connected in the mixing bin and hollow in the interior, and the fixed column is correspondingly arranged coaxially with the driving shaft;
the four thread blocks penetrate through the fixed column along the axial array of the fixed column, a sliding groove which can freely pass through the thread blocks in a moving way is formed in the fixed column, one end surface of the thread block penetrating through the sliding groove is arc-shaped, two thread blocks positioned on two opposite radial sides of the fixed column are in one group, and external threads on the two groups of thread blocks are opposite in rotation direction;
the screw thread ring is movably sleeved on the fixed column, a plurality of connecting rods are arranged on the screw thread ring, and one end, far away from the screw thread ring, of each connecting rod is connected with the corresponding scraping sleeve;
and the self-adjusting part is used for driving the two groups of thread blocks to be alternately screwed with the internal threads on the thread ring.
Preferably, the self-adjusting portion includes:
the first lug plate is connected to one surface of the threaded block, which faces the radial inner side of the fixed column;
a sliding pin penetrating through the first lug plate;
the driving rod coaxially penetrates through the fixing column, and one end of the driving rod penetrates out of the mixing bin and can freely slide;
the second ear plates are arranged on the driving rod and correspond to the first ear plates, a first waist-shaped hole and a second waist-shaped hole are formed in the two second ear plates which are positioned on two opposite sides of the driving rod in the radial direction, the first waist-shaped hole and the second waist-shaped hole correspond to two groups of threaded blocks respectively, sliding pins on the two groups of threaded blocks are correspondingly inserted into the first waist-shaped hole and the second waist-shaped hole, and the length directions of the first waist-shaped hole and the second waist-shaped hole are correspondingly arranged, so that the driving rod moves horizontally, and the two groups of threaded blocks can alternately move along the radial direction of the fixing column;
and the reciprocating movement assembly is used for driving the driving rod to horizontally reciprocate.
Preferably, the reciprocating assembly includes:
a rotating ring rotatably connected to the outer wall of the mixing bin;
the semicircular ring is connected to one end face of the rotating ring, which faces the mixing bin;
a ball which is rotationally embedded on one end of the driving rod penetrating out of the mixing bin, wherein the ball can roll on the semicircular end face and the rotating ring end face;
an elastic reset mechanism for driving the driving rod to move towards the outer side direction of the mixing bin;
and the transmission mechanism is used for synchronously driving the rotating ring to rotate when the driving shaft rotates.
Preferably, the elastic restoring mechanism includes:
a limiting ring sleeved on one end of the driving rod penetrating out of the mixing bin;
and the reset spring is sleeved on the driving rod, and two ends of the elastic direction of the reset spring respectively elastically support against the limiting ring and the mixing bin.
Preferably, the transmission mechanism includes:
the first gear is sleeved on one of the driving shafts;
a rotating shaft rotatably connected to the outer wall of the mixing bin;
the second gear and the third gear are sleeved at two ends of the rotating shaft respectively, and the second gear is externally meshed with the first gear;
and the fourth gear is coaxially connected to the rotating ring, and the third gear is externally meshed with the fourth gear.
Preferably, the nominal diameter of the second gear is greater than the nominal diameter of the first gear, and the nominal diameter of the fourth gear is greater than the nominal diameter of the third gear.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the hollow stirring rod is arranged, so that on one hand, the hollow stirring rod synchronously rotates in the rotation process of the driving shaft, and then the asphalt raw material put into the mixing bin can be stirred, the mixing efficiency of the asphalt raw material and the sulfuric acid raw material is improved, and on the other hand, the external heat conducting oil conveying equipment can convey high-temperature heat conducting oil into the hollow stirring rod sequentially through the driving shaft and the communicating cavity, and further, the hollow stirring rod can synchronously heat the asphalt raw material when stirring the asphalt raw material;
according to the invention, the scraping sleeve is arranged, so that the scraping sleeve can reciprocate when the driving shaft rotates, and asphalt raw materials adhered to the hollow stirring rod can be scraped in the reciprocating movement process of the scraping sleeve, so that the asphalt raw materials are prevented from adhering to the hollow stirring rod, and the heat exchange between the hollow stirring rod and the asphalt raw materials is prevented from being influenced;
according to the invention, the driving rod is arranged to move, so that the two groups of thread blocks can alternately move, and then the two groups of thread blocks alternately move towards the radial outer side of the fixed column, so that external threads on the two groups of thread blocks can be screwed with internal threads on the thread ring, and when the driving shaft rotates, the thread ring can relatively rotate with the thread blocks, and then the thread ring can be driven to axially move along the driving rod, and as the external threads on the two groups of thread blocks are reversely screwed, the external threads on the two groups of thread blocks are reversely screwed with the internal threads on the thread ring, the movement direction of the thread ring is opposite, and further the reciprocating movement of the thread ring is realized, so that asphalt on the surface of the hollow stirring rod can be scraped by the scraping sleeve in a reciprocating manner;
according to the invention, the first gear, the second gear, the rotating shaft, the third gear and the fourth gear are arranged, so that when the driving shaft rotates, the fourth gear can be synchronously driven to rotate, further, balls on the driving rod can alternately roll on the end face of the rotating ring and the end face of the semicircular ring, when the balls roll on the end face of the semicircular ring, the driving rod can be pushed to move towards the inner side of the mixing bin, further, sliding pins on the two groups of threaded blocks can respectively slide in the first waist-shaped hole and the second waist-shaped hole, the two groups of threaded blocks can alternately move towards the radial outer side of the fixed column, the action of the scraping sleeve is matched with the rotation action of the hollow stirring rod, and further, when the hollow stirring rod rotates to a fixed circle number, the scraping sleeve can change the moving direction, and the reciprocating movement is realized.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a constant temperature kneading and mixing device for producing sulfonated asphalt;
FIG. 2 is a schematic side view of the structure of FIG. 1;
FIG. 3 is another angular schematic view of the structure of FIG. 1;
FIG. 4 is a schematic elevational view of the structure of FIG. 1;
FIG. 5 is a schematic view of the structure of FIG. 1 with the mixing bin omitted;
FIG. 6 is a schematic side view of the structure of FIG. 5;
FIG. 7 is an enlarged schematic view of a partial structure at A in FIG. 6;
FIG. 8 is a schematic view of the assembled structure of the fixed post, screw block, drive rod and screw ring of the present invention;
FIG. 9 is an exploded schematic view of the structure of FIG. 8;
FIG. 10 is a schematic elevational view of the structure of FIG. 8;
FIG. 11 is a schematic cross-sectional view of the structure of FIG. 10;
FIG. 12 is a schematic side view of the structure of FIG. 8;
FIG. 13 is a schematic view of the structure of FIG. 8 at another angle;
FIG. 14 is a schematic view of the structure of a screw block according to the present invention;
FIG. 15 is a schematic view of the assembled drive rod and second ear plate of the present invention;
FIG. 16 is an enlarged schematic view of a partial structure at B in FIG. 15;
FIG. 17 is a schematic view of the assembled hollow stirring rod, rotary ring and rotary arm of the present invention;
FIG. 18 is a schematic cross-sectional view of the structure of FIG. 17;
fig. 19 is a schematic view showing the structure of the fourth gear and the semicircular ring assembled in the present invention.
In the figure: 1-rotating arm; 2-a screw block; 3-a hollow stirring rod; 4-fixing columns; 5-a mixing bin; 6-fourth gear; 7-rotating a ring; 8-a third gear; 9-rotating shaft; 10-annular projections; 11-a rotating ring; 12-an electric motor; 13-a drive shaft; 14-a rotary joint; 15-a first gear; 16-a second gear; 17-a discharge hole; 18-semicircle ring; 19-scraping sleeve; a 20-thread ring; 21-a drive rod; 22-a return spring; 23-balls; 24-sliding grooves; 25-a second ear panel; 26-a first ear panel; 27-a sliding pin; 28-a first waist-shaped hole; 29-a second waist-shaped hole; 30-communicating the cavity; 31-limit ring.
Detailed Description
The following description of the embodiments of the present invention 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 invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 19, the present invention provides a technical solution: mixing equipment is kneaded with constant temperature to sulfonated asphalt production, is equipped with the blending bunker 5 of discharge gate 17 including the bottom, and the top of blending bunker 5 is provided with throw material device (not shown in the figure), can throw the material to the inside blending bunker 5 through throw material device, and then throw into blending bunker 5 with pitch raw materials and sulfuric acid raw materials according to certain proportion, and then carry out the sulfonation reaction, and this mixing equipment still includes:
two driving shafts 13 which are rotatably connected to the mixing bin 5 and hollow in the interior, specifically, by installing bearings on the mixing bin 5 and inserting the driving shafts 13 into the bearings, the driving shafts 13 are rotatably connected to the mixing bin 5;
a plurality of rotating arms 1 arranged at one end of the driving shaft 13 penetrating into the mixing bin 5, wherein a communication cavity 30 communicated with the inside of the driving shaft 13 is formed in the rotating arms 1, and in addition, the number of the rotating arms 1 is three and is arranged along the axial array of the driving shaft 13;
the hollow stirring rod 3 horizontally connected to the rotating arm 1 and extending in a direction away from the driving shaft 13, wherein one end of the hollow stirring rod 3 away from the driving shaft 13 is closed, in addition, the inside of the hollow stirring rod 3 is communicated with the communicating cavity 30, so that high-temperature heat conduction oil is conveyed into the driving shaft 13 through external high-temperature heat conduction oil conveying equipment, enters the communicating cavity 30 through the inside of the driving shaft 13, and enters the hollow stirring rod 3 from the communicating cavity 30, so that the high-temperature heat conduction oil can heat asphalt raw materials and sulfuric acid raw materials which are input into the mixing bin 5, asphalt raw materials possibly adhere to the hollow stirring rod 3 due to poor flowability of the asphalt raw materials, the heat exchange effect of the hollow stirring rod 3 and the asphalt raw materials at other parts in the mixing bin 5 is poor, and in addition, a constant-temperature control device is arranged on the high-temperature heat conduction oil conveying equipment so as to perform constant-temperature control on the heat conduction oil;
the scraping sleeve 19 is sleeved on the hollow stirring rod 3, the scraping sleeve 19 can freely slide on the hollow stirring rod 3, when the scraping sleeve 19 moves along the axial direction of the hollow stirring rod 3, the edge of an inner hole of the scraping sleeve 19 can scrape off asphalt raw materials adhered to the hollow stirring rod 3, and the heat exchange of the hollow stirring rod 3 on the asphalt raw materials is prevented from being influenced by the adhesion of the asphalt raw materials;
and the driving unit is used for driving the scraping sleeve 19 to axially reciprocate along the hollow stirring rod 3 when the driving shaft 13 rotates, and driving the scraping sleeve 19 to move through the driving unit, so that the scraping sleeve 19 can automatically reciprocate and scrape asphalt raw materials on the hollow stirring rod 3 in the rotation process of the driving shaft 13.
As shown in fig. 2, the motor 12 is installed on the mixing bin 5, the first belt wheel is sleeved on the output shaft of the motor 12, the second belt wheels are respectively sleeved on the two driving shafts 13, the triangular belt is sleeved between the first belt wheel and the two second belt wheels, when the motor 12 is electrified and rotated, the first belt wheel can be driven to rotate, when the first belt wheel rotates, the two second belt wheels can be driven to rotate through the transmission of the triangular belt, and then the two driving shafts 13 can be synchronously driven to rotate when the second belt wheels rotate, so that the hollow stirring rod 3 installed on the two driving shafts 13 can be driven to rotate, and when the hollow stirring rod rotates, asphalt raw materials can be stirred.
As shown in fig. 2 and 3, one end of the driving shaft 13 penetrating out of the mixing bin 5 is rotatably connected with a rotary joint 14, and the rotary joint 14 is connected with external high-temperature heat-conducting oil conveying equipment through a pipeline, and the high-temperature heat-conducting oil conveying equipment can convey high-temperature heat-conducting oil to the inside of the driving shaft 13 through the rotary joint 14.
As shown in fig. 2, the end of the hollow stirring rod 3 far away from the driving shaft 13 is connected with a rotating ring 11, an annular protruding portion 10 is arranged on the inner wall of the mixing bin 5, the rotating ring 11 is rotationally sleeved on the annular protruding portion 10, and the rotating ring 11 rotates on the annular protruding portion 10, so that the end of the hollow stirring rod 3 far away from the driving shaft 13 can be reinforced when stirring asphalt raw materials, and large bending deformation is avoided.
As shown in fig. 7 to 12, the driving unit includes:
the fixed columns 4 are horizontally connected in the mixing bin 5 and hollow in the inside, the fixed columns 4 are coaxially arranged with the driving shafts 13 correspondingly, the number of the fixed columns 4 is two and are respectively coaxial with the two driving shafts 13, and the hollow stirring rod 3 is positioned at the outer side of the fixed columns 4;
four thread blocks 2 are arranged on the fixed column 4 in a penetrating manner along the axial array of the fixed column 4, a sliding groove 24 through which the thread blocks 2 can freely pass is formed in the fixed column 4, one end surface of the thread block 2 penetrating out of the sliding groove 24 is arc-shaped, two thread blocks 2 positioned on two opposite radial sides of the fixed column 4 are in one group, the external threads on the two groups of thread blocks 2 are opposite in rotation direction, namely, the external threads on the two thread blocks 2 in the same group are identical in rotation direction, and the two groups of thread blocks 2 are opposite in rotation direction;
the thread ring 20 is movably sleeved on the fixed column 4, a plurality of connecting rods are arranged on the thread ring 20, and one end of each connecting rod, which is far away from the thread ring 20, is connected with the corresponding scraping sleeve 19, so that the thread ring 20 can drive the scraping sleeve 19 to move when moving;
the self-adjusting part is used for driving the two groups of thread blocks 2 to be screwed with the internal threads on the thread ring 20 alternately, when the driving shaft 13 rotates, the self-adjusting part drives the two groups of thread blocks 2 to move towards the radial outer side of the fixed column 4 alternately, after one group of thread blocks 2 move towards the radial outer side of the fixed column 4 in place, the external threads on the group of thread blocks 2 can be screwed with the internal threads on the thread ring 20, thus along with the rotation of the driving shaft 13, the scraping sleeve 19 is driven to rotate, and then the thread ring 20 is driven to rotate, and the fixed column 4 is fixedly connected to the inner wall of the mixing bin 5, so that the thread ring 20 and the external threads on the thread blocks 2 are screwed together, and then the thread ring 20 is driven to move horizontally, when the other group of thread blocks 2 move towards the radial outer side of the fixed column 4, the external threads on the other group of thread blocks 2 can be screwed with the internal threads on the thread ring 20 in a reverse direction, and the two groups of thread blocks 2 can be screwed with the radial inner diameter of the thread ring 20 in a reverse direction, and the two groups of thread blocks 2 can be screwed with the radial outer diameter of the thread ring 20 in a reverse direction when the two groups of thread blocks 2 move towards the radial outer side of the fixed column 4 repeatedly.
As shown in fig. 13, the self-adjusting portion includes:
a first lug 26 attached to a radially inner side of the screw block 2 facing the fixing post 4, the first lug 26 being welded to the screw block 2;
the sliding pin 27 is arranged on the first ear plate 26 in a penetrating way, the sliding pin 27 can be inserted on the first ear plate 26 in a tight fit way, or the sliding pin 27 is connected on the first ear plate 26 in a welding way;
the driving rod 21 coaxially penetrates through the fixed column 4, and one end of the driving rod 21 penetrates out of the mixing bin 5 and can freely slide;
the second ear plates 25 are arranged on the driving rod 21, the second ear plates 25 are arranged corresponding to the first ear plates 26, the two second ear plates 25 positioned on two opposite radial sides of the driving rod 21 are provided with a first waist-shaped hole 28 and a second waist-shaped hole 29, the first waist-shaped hole 28 and the second waist-shaped hole 29 respectively correspond to the two groups of thread blocks 2, the sliding pins 27 on the two groups of thread blocks 2 are correspondingly inserted into the first waist-shaped hole 28 and the second waist-shaped hole 29, and the length directions of the first waist-shaped hole 28 and the second waist-shaped hole 29 are correspondingly arranged, so that the driving rod 21 moves horizontally, and the two groups of thread blocks 2 can alternately move along the radial direction of the fixed column 4;
and when the scraping sleeve 19 moves to the end part of the hollow stirring rod 3 in the length direction, the reciprocating movement assembly triggers action and drives the driving rod 21 to move towards the other end of the hollow stirring rod 3 in the length direction, so that the reciprocating movement assembly can drive the scraping sleeve 19 to reciprocate, when the driving rod 21 moves, the sliding pins 27 on the four threaded blocks 2 slide in the first waist-shaped hole 28 and the second waist-shaped hole 29 respectively, and the inclined states of the first waist-shaped hole 28 and the second waist-shaped hole 29 in the length direction are opposite, so that when the sliding pins 27 on the two threaded blocks 2 in one group move in the first waist-shaped hole 28 in the radial outer side of the fixed column 4 in the length direction of the first waist-shaped hole 28, the sliding pins 27 on the other group slide in the second waist-shaped hole 29, move in the radial inner side of the second waist-shaped hole 28 and move towards the radial inner side of the fixed column 4, and the sliding pins 27 slide in the other group slide in the second waist-shaped hole 29 in the radial outer side of the second waist-shaped hole 29 in the radial direction of the fixed column 4.
As shown in fig. 5 and 6, the shuttle assembly includes:
the rotating ring 7 is rotatably connected to the outer wall of the mixing bin 5, and is particularly connected to the mixing bin 5 through a mounting pivot;
the semicircular ring 18 is connected to one end face of the rotating ring 7 facing the mixing bin 5, and the semicircular ring 18 protrudes out of the rotating ring 7;
a ball 23 which is rotationally embedded on one end of the driving rod 21 penetrating out of the mixing bin 5, wherein the ball 23 can roll on the end face of the semicircular ring 18 and the end face of the rotating ring 7;
an elastic reset mechanism for driving the driving rod 21 to move towards the outer side of the mixing bin 5, wherein the elastic reset mechanism is used for moving the driving rod 21 towards the outer side of the mixing bin 5, so that the balls 23 can roll on the end face of the semicircular ring 18 and the end face of the rotating ring 7 in a rolling way, the driving rod 21 is driven to move towards the inner side of the mixing bin 5 when the balls 23 roll on the end face of the semicircular ring 18, and the driving rod 21 moves towards the inner side of the axial direction of the fixed column 4 when the balls 23 roll off the semicircular ring;
the transmission mechanism is used for synchronously driving the rotation ring 7 to rotate when the driving shaft 13 rotates, and the transmission mechanism is arranged, so that the driving shaft 13 can drive the rotation ring 7 to rotate when rotating, and then the elastic reset mechanism moves the driving rod 21 towards the outer side direction of the mixing bin 5, so that the balls on the driving rod 21 roll on the end face of the fixed end and the end face of the semicircular ring 18 alternately.
As shown in fig. 6, the elastic restoring mechanism includes:
a limiting ring 31 sleeved on one end of the driving rod 21 penetrating out of the mixing bin 5;
the reset spring 22 is sleeved on the driving rod 21, two ends of the elastic direction of the reset spring 22 respectively elastically abut against the limiting ring 31 and the mixing bin 5, elastic potential energy of the reset spring 22 is released, and then the limiting ring 31 is driven to move towards the outer side direction of the mixing bin 5, so that the limiting ring 31 can drive the driving rod 21 to move, and the driving rod 21 can reset automatically during moving.
As shown in fig. 5, the transmission mechanism includes:
the first gear 15 is sleeved on one of the driving shafts 13, and the first gear 15 rotates along with the driving shaft 13;
the rotating shafts 9 connected to the outer walls of the mixing bin 5 are rotated, specifically, one bearing seat can be welded on the outer walls of the two opposite sides of the mixing bin 5 respectively, and two ends of each rotating shaft 9 are respectively inserted into the two bearing seats;
the second gear 16 and the third gear 8 are respectively sleeved at two ends of the rotating shaft 9, and the second gear 16 is externally meshed with the first gear 15;
the fourth gear 6 coaxially connected to the rotating ring 7, the third gear 8 is externally meshed with the fourth gear 6, when the driving shaft 13 rotates, the first gear 15 and the second gear 16 are synchronously driven to mesh, the rotating shaft 9 is driven to rotate, when the rotating shaft 9 rotates, the third gear 8 is driven to rotate, the third gear 8 meshes with the fourth gear 6, and the rotating ring 7 can be driven to rotate, so that the balls 23 can alternately roll on the end face of the semicircular ring 18 and the end face of the rotating ring 7.
As shown in fig. 5, the nominal diameter of the second gear 16 is larger than the nominal diameter of the first gear 15, the nominal diameter of the fourth gear 6 is larger than the nominal diameter of the third gear 8, and further the nominal diameter parameters of the first gear 15, the second gear 16, the third gear 8 and the fourth gear 6 can be set by a limited number of experiments such that the sliding stroke size of the scraper sleeve 19 on the hollow stirring rod 3 is not larger than the length of the hollow stirring rod 3.
Working principle: the external high-temperature heat conduction oil conveying equipment conveys high-temperature heat conduction oil into the driving shaft 13, and enters the communicating cavity 30 through the inside of the driving shaft 13, and then enters the hollow stirring rod 3 from the communicating cavity 30, so that the high-temperature heat conduction oil can heat asphalt raw materials and sulfuric acid raw materials which are put into the mixing bin 5, because asphalt raw materials have poor fluidity, the asphalt raw materials possibly adhere to the hollow stirring rod 3, so that the heat exchange effect of the hollow stirring rod 3 and asphalt raw materials at other positions in the mixing bin 5 is poor, when the driving shaft 13 rotates, the driving shaft 13 synchronously drives the first gear 15 and the second gear 16 to mesh and drives the rotating shaft 9 to rotate, when the rotating shaft 9 rotates, the third gear 8 is driven to rotate, the third gear 8 is meshed with the fourth gear 6, and then the rotating ring 7 can be driven to rotate, so that the balls 23 can alternately roll on the end face of the semicircular ring 18 and the end face of the rotating ring 7, the rotating ring 7 can be driven to rotate, the driving rod 21 is driven to move towards the outer side direction of the mixing bin 5 through the reset spring 22, so that balls on the driving rod 21 alternately roll on the end face of the fixed end and the end face of the semicircular ring 18, two groups of thread blocks 2 are driven to alternately move towards the radial outer side of the fixed column 4, after one group of thread blocks 2 moves towards the radial outer side of the fixed column 4 in place, external threads on the group of thread blocks 2 can be screwed with internal threads of the thread ring 20, thus, along with the rotation of the driving shaft 13, the scraping sleeve 19 is driven to rotate, the thread ring 20 is driven to rotate, the fixed column 4 is fixedly connected on the inner wall of the mixing bin 5, so that the thread ring 20 and the fixed column 4 relatively rotate, and the thread ring 20 and the external threads on the thread blocks 2 are screwed, when the other group of thread blocks 2 move towards the radial outer side of the fixed column 4, the original group of thread blocks 2 move towards the radial inner side of the fixed column 4 reversely, so that the external threads on the other group of thread blocks 2 are screwed with the internal threads on the thread rings 20, and as the threads on the two groups of thread blocks 2 are reversely screwed, the thread rings 20 are reversely moved when the threads on the thread rings 20 and the external thread parts with the opposite screwing directions on the thread blocks 2 are screwed, the thread rings 20 can be driven to reciprocate horizontally, and asphalt raw materials on the hollow stirring rod 3 can be scraped in the moving process.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
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, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. Constant temperature kneading and mixing equipment for sulfonated asphalt production, including mixing bunker (5) that the bottom is equipped with discharge gate (17), its characterized in that still includes:
two driving shafts (13) which are connected to the mixing bin (5) in a rotating way and are hollow in the interior;
a plurality of rotating arms (1) arranged at one end of the driving shaft (13) penetrating into the mixing bin (5), wherein a communication cavity (30) communicated with the inside of the driving shaft (13) is formed in the rotating arms (1);
a hollow stirring rod (3) horizontally connected to the rotating arm (1) and extending in a direction away from the driving shaft (13), wherein the hollow stirring rod (3) is communicated with the communication cavity (30);
the scraping sleeve (19) is sleeved on the hollow stirring rod (3), and the scraping sleeve (19) can freely slide on the hollow stirring rod (3);
a driving unit for driving the scraping sleeve (19) to axially reciprocate along the hollow stirring rod (3) when the driving shaft (13) rotates, wherein the driving unit comprises:
the fixed column (4) is horizontally connected in the mixing bin (5) and hollow in the interior, and the fixed column (4) is correspondingly arranged coaxially with the driving shaft (13);
four thread blocks (2) are arranged on the fixed column (4) in a penetrating manner along the axial array of the fixed column (4), a sliding groove (24) which can freely pass through the thread blocks (2) is formed in the fixed column (4), one end surface of the thread block (2) penetrating out of the sliding groove (24) is arc-shaped, two thread blocks (2) positioned on two diametrically opposite sides of the fixed column (4) are in one group, and external threads on the two groups of thread blocks (2) are opposite in screwing direction;
a threaded ring (20) movably sleeved on the fixed column (4), wherein a plurality of connecting rods are arranged on the threaded ring (20), and one end of each connecting rod, which is far away from the threaded ring (20), is connected with the corresponding scraping sleeve (19);
self-adjusting portion for driving the two sets of threaded blocks (2) to alternately screw with internal threads on the threaded ring (20), the self-adjusting portion comprising:
a first lug plate (26) connected to a radially inner side of the screw block (2) facing the fixing column (4);
a sliding pin (27) penetrating the first lug plate (26);
the driving rod (21) is coaxially arranged on the fixed column (4) in a penetrating way, and one end of the driving rod (21) penetrates out of the mixing bin (5) and can freely slide;
the second ear plates (25) are arranged on the driving rod (21), the second ear plates (25) are correspondingly arranged with the first ear plates (26), the two second ear plates (25) which are positioned on two opposite radial sides of the driving rod (21) are provided with a first waist-shaped hole (28) and a second waist-shaped hole (29), the first waist-shaped hole (28) and the second waist-shaped hole (29) respectively correspond to two groups of threaded blocks (2), sliding pins (27) on the two groups of threaded blocks (2) are correspondingly inserted into the first waist-shaped hole (28) and the second waist-shaped hole (29), and the first waist-shaped hole (28) and the second waist-shaped hole (29) are correspondingly arranged in the length direction, so that the driving rod (21) moves horizontally, and the two groups of threaded blocks (2) can alternately move along the radial direction of the fixing column (4);
a reciprocation assembly for driving the driving rod (21) to reciprocate horizontally, the reciprocation assembly comprising:
a rotating ring (7) rotatably connected to the outer wall of the mixing bin (5);
the semicircular ring (18) is connected to one end face of the rotating ring (7) facing the mixing bin (5);
a ball (23) which is rotationally embedded on one end of the driving rod (21) penetrating out of the mixing bin (5), wherein the ball (23) can roll on the end face of the semicircular ring (18) and the end face of the rotating ring (7);
an elastic reset mechanism for driving the driving rod (21) to move towards the outer side direction of the mixing bin (5), wherein the elastic reset mechanism comprises:
a limiting ring (31) sleeved on one end of the driving rod (21) penetrating out of the mixing bin (5);
a return spring (22) sleeved on the driving rod (21), wherein two ends of the return spring (22) in the elastic direction elastically abut against the limiting ring (31) and the mixing bin (5) respectively;
a transmission mechanism for synchronously driving rotation of the rotary ring (7) when the drive shaft (13) rotates, the transmission mechanism comprising:
a first gear (15) sleeved on one of the drive shafts (13);
a rotating shaft (9) rotatably connected to the outer wall of the mixing bin (5);
the second gear (16) and the third gear (8) are respectively sleeved at two ends of the rotating shaft (9), and the second gear (16) is externally meshed with the first gear (15);
and the fourth gear (6) is coaxially connected to the rotating ring (7), and the third gear (8) is externally meshed with the fourth gear (6).
2. The constant temperature kneading and mixing device for producing sulfonated asphalt according to claim 1, wherein a motor (12) is installed on the mixing bin (5), a first belt wheel is sleeved on an output shaft of the motor (12), a second belt wheel is sleeved on each of the two driving shafts (13), and a triangular belt is sleeved between the first belt wheel and the two second belt wheels.
3. A thermostatic kneading and mixing device for producing sulfonated asphalt according to claim 2, wherein one end of the driving shaft (13) penetrating out of the mixing bin (5) is rotatably connected with a rotary joint (14).
4. A thermostatic kneading and mixing device for producing sulfonated asphalt according to claim 3, wherein one end of the hollow stirring rod (3) far away from the driving shaft (13) is commonly connected with a rotary ring (11), an annular protruding part (10) is arranged on the inner wall of the mixing bin (5), and the rotary ring (11) is rotationally sleeved on the annular protruding part (10).
5. A thermostatic kneading and mixing device for the production of sulfonated asphalt according to claim 4, wherein the nominal diameter of the second gear (16) is larger than the nominal diameter of the first gear (15), and the nominal diameter of the fourth gear (6) is larger than the nominal diameter of the third gear (8).
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| CN202310710860.3A CN116459733B (en) | 2023-06-15 | 2023-06-15 | Constant temperature kneading and mixing equipment for sulfonated asphalt production |
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| CN117258658B (en) * | 2023-11-13 | 2024-02-23 | 广东新粤佳富沥青有限公司 | Automatic mixing equipment for modified asphalt production |
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