CN118003497B - Modified asphalt tubular mixer - Google Patents

Modified asphalt tubular mixer Download PDF

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Publication number
CN118003497B
CN118003497B CN202410294081.4A CN202410294081A CN118003497B CN 118003497 B CN118003497 B CN 118003497B CN 202410294081 A CN202410294081 A CN 202410294081A CN 118003497 B CN118003497 B CN 118003497B
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CN
China
Prior art keywords
shaft
stirring
stirring tank
cleaning
modified asphalt
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202410294081.4A
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Chinese (zh)
Other versions
CN118003497A (en
Inventor
路永春
李晓暾
丁明强
吕弘煜
杨平文
关蕴涛
周晓雨
魏相娟
杨生瑞
张昊
王兴来
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gansu Gonghanglv Low Carbon Technology Co ltd
Original Assignee
Gansu Gonghanglv Low Carbon Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Gansu Gonghanglv Low Carbon Technology Co ltd filed Critical Gansu Gonghanglv Low Carbon Technology Co ltd
Priority to CN202410294081.4A priority Critical patent/CN118003497B/en
Publication of CN118003497A publication Critical patent/CN118003497A/en
Application granted granted Critical
Publication of CN118003497B publication Critical patent/CN118003497B/en
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Classifications

    • 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
    • B29B7/00—Mixing; Kneading
    • B29B7/02—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type
    • B29B7/06—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices
    • B29B7/10—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary
    • B29B7/18—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary with more than one shaft
    • 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
    • B29B7/00—Mixing; Kneading
    • B29B7/02—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type
    • B29B7/06—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices
    • B29B7/10—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary
    • B29B7/12—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary with single shaft
    • B29B7/14—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary with single shaft with screw or helix
    • 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
    • B29B7/00—Mixing; Kneading
    • B29B7/02—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type
    • B29B7/22—Component parts, details or accessories; Auxiliary operations
    • 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
    • B29B7/00—Mixing; Kneading
    • B29B7/80—Component parts, details or accessories; Auxiliary operations
    • B29B7/802—Constructions or methods for cleaning the mixing or kneading device

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)

Abstract

The application provides a modified asphalt tubular mixer, and relates to the technical field of modified asphalt. This tubular blendor contains the agitator tank, be provided with the compounding device in the agitator tank, the compounding device contains driving motor, the interior top of agitator tank rotates and is connected with the spacing dish, driving motor's output transmission is connected with the axle sleeve, the axle sleeve is located the part key-type connection of spacing dish has the driving gear, the one end rigid coupling of axle sleeve has or not axial helical blade, driving gear week side evenly is provided with the (mixing) shaft, (mixing) shaft and driving gear transmission are connected, make the mixture can form reciprocal from the end to last in the agitator tank, from inside outside circulation, the mixing ability in the agitator tank has been strengthened, the driving gear synchronous drive (mixing) shaft on the cooperation axle sleeve rotates, then carry out circumference stirring to the mixture that is located the agitator tank and is located the delivery cylinder outside, further strengthen the mixability of mixture.

Description

Modified asphalt tubular mixer
Technical Field
The application relates to the field of modified asphalt, in particular to a modified asphalt tubular mixer.
Background
Rubber powder is an important modified material of asphalt, and after being mixed, the rubber powder improves a plurality of properties of the asphalt, such as reduction of high-temperature deformation and enhancement of low-temperature flexibility. The rubber powder has the effect on asphalt, and the rubber powder is used as an additive of asphalt to promote the formation of an asphalt structure, so that rubber particles are distributed in the colloid structure of the asphalt to form a loose net, the strength is ensured, the high-temperature fluidity of the asphalt is reduced, and the low-temperature deformation capability of the rubber asphalt is improved.
In recent years, research and application conditions show that the high-parameter rubber asphalt mixture can effectively improve rutting of heavy-duty traffic asphalt pavement and cracking of asphalt pavement at low temperature, has good sound absorption effect, can be used for building environment-friendly noise reduction pavement, and in addition, the waste rubber powder modified asphalt can improve the pavement performance of asphalt and asphalt mixture, and can change waste tires into valuable, so that the environment-friendly problem is solved.
The existing high-parameter rubber asphalt generally adopts a mixing tank to stir rubber powder and matrix asphalt after heating and melting so as to enable the rubber powder and the matrix asphalt to be fully mixed, but because the melted asphalt has certain viscosity, in the stirring process, the fluidity is poor, the mixing degree of the rubber powder and the asphalt is poor, and the preparation of modified asphalt is influenced to a certain extent.
Disclosure of Invention
The present application aims to solve at least one of the technical problems existing in the prior art. Therefore, the application provides a modified asphalt pipe mixer, which comprises a stirring tank, wherein a raw material inlet and an asphalt pump are arranged on the stirring tank, the asphalt pump is used for conveying mixed raw materials into a swelling device, a fixing frame is fixedly connected to the periphery of the stirring tank, the stirring tank is arranged in a double-layer manner, heating equipment can be externally connected between the double layers to ensure the temperature requirement inside the stirring tank, and the modified asphalt pipe mixer further comprises:
Be provided with the compounding device in the agitator tank, the compounding device contains the driving motor who is fixedly connected in the agitator tank top, the interior top rotation of agitator tank is connected with spacing dish, driving motor's output transmission is connected with the axle sleeve, the axle sleeve rotates the top that runs through the agitator tank and spacing dish and extends to the inside of agitator tank, the part key connection that the axle sleeve is located spacing dish has the driving gear, the axle sleeve extends to the one end rigid coupling in the agitator tank and has shaftless helical blade, shaftless helical blade week side has cup jointed a material conveying section of thick bamboo, driving gear week side evenly is provided with the (mixing) shaft, (mixing) shaft and driving gear transmission are connected, the (mixing) shaft passes through the bearing and is connected in spacing dish.
In addition, the modified asphalt pipe mixer according to the embodiment of the application has the following additional technical characteristics:
in some embodiments of the application, the interior bottom of the agitator tank is tapered, wherein the input end of the asphalt pump communicates with the interior bottom of the agitator tank.
In some embodiments of the present application, the output end of the drive motor is keyed to a drive bevel gear, and one end of the sleeve adjacent to the drive motor is keyed to an upper bevel gear, which is engaged with the drive bevel gear.
In some embodiments of the application, the spacing disc is in rotational engagement with the agitator tank, wherein the spacing disc is higher than the feedstock inlet and the spacing disc is axially spaced within the agitator tank.
In some embodiments of the application, the shaft sleeve is connected to the top end of the stirring tank through a bearing seat, and the shaft sleeve and the stirring tank are coaxially arranged.
In some embodiments of the application, the shaftless helical blade is in clearance fit with the inner bottom of the stirring tank, the material conveying cylinder is fixedly connected with the inner bottom of the stirring tank, and the circumference of the bottom end of the material conveying cylinder is uniformly provided with openings.
In some embodiments of the application, the top height of the feed cylinder is lower than the top height of the shaftless helical blade.
In some embodiments of the application, a driven gear is connected to one end of the stirring shaft in the limiting disc in a key manner, and the driven gear is meshed with the driving gear.
In some embodiments of the application, the stirring shaft extends into the stirring tank, and a part of the stirring shaft located in the stirring tank is keyed with stirring blades.
In some embodiments of the application, the stirring vanes are arranged in a "series" with the height of the tips of the stirring vanes being greater than the height of the tips of the shaftless helical vanes.
In some embodiments of the application, the mixing device is provided with a cleaning mechanism, the cleaning mechanism comprises a cleaning shaft coaxially arranged with the shaft sleeve and a cleaning plate connected to the cleaning shaft in a transmission way, wherein the cleaning plate is in sliding fit with the shaftless spiral blade, and the top of the cleaning shaft is sleeved with a limiting plate capable of limiting the rotation of the cleaning shaft.
In some embodiments of the application, the cleaning shaft is rotatably inserted into the shaft sleeve, and a sliding groove is axially formed in the side wall of the bottom end of the cleaning shaft.
In some embodiments of the present application, the cleaning plate is sleeved on one end of the cleaning shaft at the bottom side of the shaft sleeve, and the cleaning plate is in sliding fit with the sliding groove.
In some embodiments of the application, the portion of the clearance plate that slidably engages the shaftless screw blade is provided in upper and lower halves, the clearance plate has a height no greater than half of the pitch of the shaftless screw blade, and the clearance plate slidably engages the inner wall of the feed cylinder.
In some embodiments of the application, the limiting plate is connected with the cleaning shaft sliding key, the upper end surface of the limiting plate is symmetrically and fixedly connected with the positioning column, the lower end surface of the limiting plate is symmetrically and fixedly connected with the limiting block, and the lower end surface of the limiting plate is provided with the annular groove.
In some embodiments of the application, a bracket is fixedly connected to the top end of the stirring tank, the bracket is in sliding fit with the cleaning shaft, and a through hole in plug-in fit with the positioning column is formed in the bracket.
In some specific embodiments of the application, the top end is symmetrically provided with telescopic members by taking the cleaning shaft as an axis, the telescopic ends of the telescopic members are in limit running fit with the annular grooves, and the fixed ends of the telescopic members are fixedly connected with the stirring tank.
In some embodiments of the application, a notch is symmetrically arranged at one end of the shaft sleeve, which is close to the driving motor, and the notch is in plug-in fit with the limiting block.
In some embodiments of the application, the mixing device is provided with an auxiliary mechanism, the auxiliary mechanism comprises a rotating sleeve in transmission connection with the limiting disc and a scraping plate in transmission connection with the stirring shaft, and two sides of the scraping plate are respectively in sliding fit with the inner bottom wall of the stirring tank and the side wall of the material conveying cylinder.
In some embodiments of the application, the rotating sleeve is rotatably sleeved on the shaft sleeve, and the rotating sleeve rotates to penetrate through the top end of the stirring tank, wherein one end of the rotating sleeve, which is close to the driving motor, is connected with a lower bevel gear in a key manner, the lower bevel gear is meshed with an upper bevel gear, and the rotating sleeve is fixedly connected with the limiting disc.
In some embodiments of the application, a limiting post is fixedly connected to the scraping plate, and the limiting post is in limiting rotation connection with the stirring shaft.
The modified asphalt tubular mixer provided by the embodiment of the application has the beneficial effects that:
1. The driving motor is used for driving the shaft sleeve to rotate, and then the shaftless helical blade is driven to rotate, under the cooperation of the material conveying cylinder, the rubber powder and matrix asphalt mixture can be conveyed from the bottom end of the stirring tank to the inner top direction, and then the mixed material is flushed into the stirring tank from the top end of the material conveying cylinder, so that the mixed material can form reciprocating bottom-to-top circulation in the stirring tank from inside to outside, and the mixing capability in the stirring tank is enhanced;
2. when the shaft sleeve is driven to rotate by the driving motor, the stirring shaft is synchronously driven to rotate by matching with the driving gear on the shaft sleeve, so that the mixed materials positioned in the stirring tank and positioned at the outer side of the material conveying cylinder are circumferentially stirred, and the mixing degree of the mixed materials is further enhanced;
3. The shaftless spiral blade is matched with the material conveying cylinder, the mixture of asphalt and rubber powder with certain viscosity can be conveyed, materials can permeate downwards from the axis of the shaftless spiral blade in the process of conveying the mixture from the bottom end of the material conveying cylinder to the top end of the material conveying cylinder, and the shaftless spiral blade can form an action of turning and upwards displacing the mixed materials entering the material conveying cylinder in the rotation process of the shaftless spiral blade, so that the mixing degree of the mixed materials is further enhanced.
Additional aspects and advantages of the application will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the application.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present application and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of the overall structure of a modified asphalt pipe mixer according to an embodiment of the present application;
FIG. 2 is a schematic view of the internal structure of a modified asphalt pipe mixer according to an embodiment of the present application;
fig. 3 is a structural exploded view and a partial cross-sectional view of a mixing device according to an embodiment of the present application;
FIG. 4 is an enlarged schematic view of A of FIG. 3 according to an embodiment of the application;
FIG. 5 is a schematic view of a cleaning mechanism according to an embodiment of the present application;
FIG. 6 is a detailed view of the construction of a cleaning mechanism according to an embodiment of the present application;
FIG. 7 is an enlarged schematic view of B of FIG. 6 according to an embodiment of the application;
FIG. 8 is an exploded view of the structure of the limiting plate and the telescoping member according to an embodiment of the present application;
FIG. 9 is a schematic structural view of an auxiliary mechanism according to an embodiment of the present application;
Fig. 10 is an exploded view of the structure of a blade and a stirring shaft according to an embodiment of the present application.
Icon: 1. a stirring tank; 11. a raw material inlet; 12. an asphalt pump; 13. a fixing frame; 14. a bracket; 2. a mixing device; 21. a driving motor; 211. a drive bevel gear; 212. an upper bevel gear; 22. a limiting disc; 23. a shaft sleeve; 231. a drive gear; 232. shaftless helical blades; 233. a feed delivery cylinder; 234. a notch; 24. a stirring shaft; 241. a driven gear; 242. stirring the leaves; 3. a cleaning mechanism; 31. cleaning a shaft; 311. a chute; 32. a cleaning plate; 33. a limiting plate; 331. positioning columns; 332. a limiting block; 333. an annular groove; 34. a telescoping member; 4. an auxiliary mechanism; 41. a rotating sleeve; 411. a lower bevel gear; 42. a scraper; 421. and a limit column.
Detailed Description
The technical solutions in the embodiments of the present application will be described below with reference to the accompanying drawings in the embodiments of the present application.
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, based on the embodiments of the application, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the application.
As shown in fig. 1 to 10, a modified asphalt pipe mixer according to an embodiment of the present application includes a stirring tank 1, a raw material inlet 11 and an asphalt pump 12 are disposed on the stirring tank 1, the asphalt pump 12 is used for conveying mixed raw materials into a swelling device (for swelling a mixture of rubber powder and asphalt), a fixing frame 13 is fixedly connected to a peripheral side of the stirring tank 1, the stirring tank 1 is provided with two layers, a heating device can be externally connected between the two layers for ensuring a temperature requirement inside the stirring tank 1, it is required to explain how to supply heat to the stirring tank 1, and how to supply heat to the stirring tank 1 is the prior art.
The modified asphalt pipe type mixer provided by the embodiment of the application further comprises a mixing device 2 arranged in the mixing tank 1, wherein the mixing device 2 comprises a driving motor 21 fixedly connected to the top end of the mixing tank 1, the inner top of the mixing tank 1 is rotatably connected with a limiting disc 22, the output end of the driving motor 21 is in transmission connection with a shaft sleeve 23, the shaft sleeve 23 rotatably penetrates through the top end of the mixing tank 1 and the limiting disc 22 and extends into the mixing tank 1, a part of the shaft sleeve 23 positioned in the limiting disc 22 is in key connection with a driving gear 231, one end of the shaft sleeve 23 extending into the mixing tank 1 is fixedly connected with a shaftless spiral blade 232, the circumferential side of the shaftless spiral blade 232 is sleeved with a material conveying cylinder 233, the circumferential side of the driving gear 231 is uniformly provided with a stirring shaft 24, the stirring shaft 24 is in transmission connection with the driving gear 231, and the stirring shaft 24 is connected with the limiting disc 22 through a bearing.
In this way, the shaft sleeve 23 is driven to rotate by the driving motor 21, the shaftless helical blade 232 is driven to rotate in the material conveying cylinder 233, then materials entering the stirring tank 1 from the raw material inlet 11 can be conveyed to the upper end from the inner bottom of the stirring tank 1, then the materials return to the stirring tank 1 from the top end of the material conveying cylinder 233, the driving gear 231 is matched to drive the stirring shafts 24 to rotate, the materials outside the material conveying cylinder 233 are continuously stirred, and the materials can be fully mixed by combining the two materials.
In addition, the modified asphalt pipe mixer according to the embodiment of the application has the following additional technical characteristics:
as shown in fig. 1-3, the inner bottom of the stirring tank 1 is in a conical shape, wherein the input end of the asphalt pump 12 is communicated with the inner bottom of the stirring tank 1, and the conical bottom is designed to facilitate the flow of the mixed material in the stirring tank 1 to the bottom end of the feeding barrel 233, facilitate the continuous conveying of the mixed material by the shaftless spiral blade 232, and facilitate the conveying of the mixed material to the subsequent working section by the asphalt pump 12.
As shown in fig. 4, the output end of the driving motor 21 is connected with a driving bevel gear 211 in a key manner, one end of the shaft sleeve 23, which is close to the driving motor 21, is connected with an upper bevel gear 212 in a key manner, and the upper bevel gear 212 is meshed with the driving bevel gear 211, so that the driving motor 21 drives the shaft sleeve 23 to rotate through the mutually meshed bevel gears.
As shown in fig. 2 and fig. 3, the limiting disc 22 is in running fit with the stirring tank 1, wherein the height of the limiting disc 22 is higher than that of the raw material inlet 11, and the limiting disc 22 is axially limited in the stirring tank 1, specifically, it can be understood that an annular limiting stop bar (not shown in the drawing) can be additionally arranged on the side wall of the inner top of the stirring tank 1, the bottom end of the limiting disc 22 is blocked by the annular limiting stop bar and cannot fall to the inner bottom of the stirring tank 1, and then the height limitation of the limiting disc 22 is completed, and meanwhile, the limiting disc 22 is positioned above the raw material inlet 11, so that the influence of the limiting disc 22 on the feeding of the stirring tank 1 can be avoided.
Further, the shaft sleeve 23 is connected to the top end of the stirring tank 1 through a bearing seat, and the shaft sleeve 23 and the stirring tank 1 are coaxially arranged, and it is understood that only rotation can be performed between the shaft sleeve 23 and the top end of the stirring tank 1, and axial displacement cannot be performed.
Further, as shown in fig. 2 and 3, the shaftless screw blade 232 is in clearance fit with the inner bottom of the stirring tank 1, so that the shaftless screw blade 232 is convenient for conveying the mixed material, the material conveying barrel 233 is fixedly connected with the inner bottom of the stirring tank 1, so that the material conveying barrel 233 is convenient for fixing, and the circumference of the bottom end of the material conveying barrel 233 is uniformly provided with openings, it can be understood that the mixed material positioned on the outer side of the material conveying barrel 233 can be flushed into the material conveying barrel 233 from a plurality of openings at the bottom end of the material conveying barrel 233, and then is displaced towards the top end of the material conveying barrel 233 in the rotation process of the shaftless screw blade 232.
It should be noted that, the top height of the feeding cylinder 233 is lower than the top height of the shaftless helical blade 232, so that the shaftless helical blade 232 is convenient to throw out the mixed material from the side wall of the stirring tank 1 under the action of centrifugal force when the mixed material is displaced to be higher than the feeding cylinder 233 in the feeding process, and the mixed material is better in the stirring tank 1.
As shown in fig. 4, a driven gear 241 is connected to one end of the stirring shaft 24 in the limiting plate 22, and the driven gear 241 is meshed with the driving gear 231, so that the driving gear 231 can drive the driven gear 241 to rotate.
The stirring shaft 24 extends into the stirring tank 1, and the stirring blade 242 is connected to a portion of the stirring shaft 24 located in the stirring tank 1.
As shown in fig. 2 and fig. 3, the stirring blades 242 are arranged in a shape of a "string", the top ends of the stirring blades 242 are higher than the top ends of the shaftless spiral blades 232, and the stirring blades 242 arranged in a shape of a "string" can stir the mixed materials in the stirring tank 1 more fully when rotating along with the stirring shaft 24, and the shearing force formed by the mixture is stronger, so as to meet the purpose that the rubber powder and asphalt mixture needs to be stirred by high shearing force.
The following describes the use process of a modified asphalt pipe mixer according to an embodiment of the present application with reference to the accompanying drawings:
The inside temperature of the stirring tank 1 reaches a preset value through external heat supply equipment, then asphalt after melting is injected into the stirring tank 1 through the raw material inlet 11, a certain proportion of rubber powder is added inwards, the driving motor 21 is started, the driving shaft sleeve 23 drives the shaftless spiral blade 232 to rotate in the material conveying cylinder 233 through the mutually meshed driving bevel gear 211 and the upper bevel gear 212, meanwhile, the driving gear 231 drives the stirring shafts 24 to rotate, stirring blades 242 on the stirring shafts 24 synchronously rotate, in the process, the mixture of the rubber powder and the asphalt is flushed towards the bottom end opening of the material conveying cylinder 233 under the action of gravity, the flushed mixed material is conveyed towards the top end of the material conveying cylinder 233 under the action of gravity, part of the mixed material is penetrated downwards from the axis of the shaftless spiral blade 232 under the action of self gravity, in the process of upward conveying, the mixed material can roll under the rotation action of the shaftless spiral blade 232, namely, the stirring effect is also carried out in the material conveying cylinder 233, the stirring blades 242 are rotated to form a position higher than the top end of the material conveying cylinder 233, the stirring effect of the mixed material is formed under the action of centrifugal force rotation of the shaftless spiral blade 232, the stirring effect is further enhanced, the mixed material is further stirred in the direction of the stirring tank 1, and the mixed material is continuously stirred in the direction of the stirring tank 1 is further enhanced, and the stirring effect is further improved.
In the related art, in the modified asphalt pipe mixer, more mixture is easy to remain on the shaftless screw blade 232 which has a conveying function on the mixed material (in a non-use state), if the mixture is not cleaned, the residue on the shaftless screw blade 232 solidifies after cooling, the function of conveying the material normally upwards in the next use can be influenced, and a blocking phenomenon can be caused between the shaftless screw blade 232 and the material conveying cylinder 233 seriously.
According to some embodiments of the present application, as shown in fig. 5-8, a cleaning mechanism 3 is disposed on the mixing device 2, the cleaning mechanism 3 includes a cleaning shaft 31 coaxially disposed with the shaft sleeve 23, and a cleaning plate 32 drivingly connected to the cleaning shaft 31, wherein the cleaning plate 32 is slidably engaged with the shaftless screw blade 232, and a limiting plate 33 capable of limiting rotation of the cleaning shaft 31 is sleeved on top of the cleaning shaft 31.
Specifically, the cleaning shaft 31 is rotatably inserted into the shaft sleeve 23, and a chute 311 is axially disposed on a sidewall of the bottom end of the cleaning shaft 31.
Wherein, the cleaning plate 32 is sleeved at one end of the cleaning shaft 31 at the bottom side of the shaft sleeve 23, and the cleaning plate 32 is in sliding fit with the sliding groove 311, i.e. the cleaning plate 32 forms a sliding key connection with the cleaning shaft 31 through the sliding groove 311.
As shown in fig. 5 and 6, the portion of the cleaning plate 32 slidably engaged with the shaftless screw blade 232 is provided in two upper and lower halves, so that both sides of the shaftless screw blade 232 can be cleaned conveniently, the height of the cleaning plate 32 is not greater than half of the pitch of the shaftless screw blade 232, and the cleaning plate 32 slidably engages with the inner wall of the feed delivery cylinder 233, whereby when the cleaning plate 32 is displaced on the shaftless screw blade 232, both sides of the shaftless screw blade 232 can be cleaned, and simultaneously the scraping action can be performed on the inner wall of the feed delivery cylinder 233.
As shown in fig. 7, the limiting plate 33 is connected with the cleaning shaft 31 by a sliding key, the upper end surface of the limiting plate 33 is symmetrically and fixedly connected with a positioning column 331, the lower end surface of the limiting plate 33 is symmetrically and fixedly connected with a limiting block 332, and the lower end surface of the limiting plate 33 is provided with an annular groove 333.
Wherein, agitator tank 1 top rigid coupling has support 14, support 14 and clearance axle 31 sliding fit, and be provided with on the support 14 with the through-hole of spliced pole 331, from this, when limiting plate 33 upwards displacement along clearance axle 31, and the through-hole on its upper locating pole 331 and the support 14 forms the grafting relation, at this moment, form fixedly between support 14 and the limiting plate 33, then form fixedly between limiting plate 33 and the clearance axle 31, namely limiting plate 33 will restrict clearance axle 31 rotation at this moment, otherwise, when not forming fixed state between limiting plate 33 and support 14, clearance axle 31 can drive limiting plate 33 rotation at this moment.
As shown in fig. 5-8, the top end of the stirring tank 1 is symmetrically provided with a telescopic member 34 by taking the cleaning shaft 31 as an axis, the telescopic end of the telescopic member 34 is in limit running fit with the annular groove 333, and the fixed end of the telescopic member 34 is fixedly connected to the stirring tank 1, so that under the telescopic change of the telescopic member 34, the drivable limiting plate 33 axially displaces on the cleaning shaft 31, and the rotation relationship between the telescopic end of the telescopic member 34 and the annular groove 333 ensures that the limiting plate 33 is not disturbed due to the telescopic member 34 when the driving of the cleaning shaft 31 is followed.
It should be noted that, as shown in fig. 6 and 8, the end of the shaft sleeve 23, which is close to the driving motor 21, is symmetrically provided with a notch 234, the notch 234 is in plug-in fit with a limiting block 332, so when the limiting plate 33 is displaced downward and the limiting block 332 is plugged in the notch 234, the limiting plate 33 and the shaft sleeve 23 form a transmission relationship, that is, when the shaft sleeve 23 rotates, the limiting plate 33 is driven to rotate synchronously in the same direction and at the same speed, further, the cleaning shaft 31 and the shaft sleeve 23 form synchronous rotation in the same direction and at the same speed, and the cleaning plate 32 synchronously rotates with the shaftless helical blade 232, and it can be understood that the cleaning plate 32 is fixed in position on the shaftless helical blade 232.
The driving motor 21 has a forward and reverse rotation function, and the expansion and contraction member 34 is a conventional device having an expansion and contraction function.
Therefore, when the cleaning device is specifically used, the telescopic end of the telescopic piece 34 is downwards displaced to drive the limiting plate 33 to downwards displace on the cleaning shaft 31, so that the limiting block 332 at the bottom end of the limiting plate 33 and the notch 234 at the top end of the shaft sleeve 23 are in plug connection, at the moment, a transmission relation is formed between the limiting plate 33 and the shaft sleeve 23, and the limiting plate 33 and the cleaning shaft 31 are in sliding key connection, so that the cleaning shaft 31 and the shaft sleeve 23 form transmission, the driving motor 21 is started, at the moment, the shaft sleeve 23, the cleaning shaft 31 and the shaftless helical blade 232 synchronously rotate at the same speed, and the cleaning plate 32 at the bottom of the cleaning shaft 31 and the cleaning shaft 31 form sliding key connection through the sliding groove 311, so that the cleaning plate 32 and the shaftless helical blade 232 form synchronous and same-speed rotation state, the cleaning plate 32 can be moved to the top end of the shaftless screw blade 232 (how to move the same will be described later), the influence on the material conveying caused by the existence of the cleaning plate 32 can be avoided, the normal material mixing operation can be performed at this time, after the mixed materials are mixed, the driving motor 21 is stopped, the asphalt pump 12 is driven, the mixed materials in the stirring tank 1 are conveyed outwards, after most of the mixed materials in the stirring tank 1 are discharged, at this time, the shaftless screw blade 232 and the inner wall of the material conveying cylinder 233 remain the mixture due to the viscosity of the mixture, at this time, the telescopic end of the telescopic piece 34 moves upwards, the separation between the limiting plate 33 and the shaft sleeve 23 is driven, and the insertion connection is formed through the through holes on the positioning post 331 and the support 14, so that the limiting plate 33 and the support 14 are fixed, the cleaning shaft 31 is limited, the rotation of the cleaning plate 32 is prevented, and the rotation of the cleaning plate 32 is further limited, then, the driving motor 21 is started, the shaft sleeve 23 drives the shaftless helical blade 232 to rotate, and the cleaning plate 32 is limited by the cleaning shaft 31 and cannot rotate, so that axial displacement along the cleaning shaft 31, namely displacement along the chute 311, occurs under the rotation of the shaftless helical blade 232, it can be understood that under the forward and reverse rotation of the driving motor 21, axial reciprocating displacement of the cleaning plate 32 on the shaftless helical blade 232 occurs, so that cleaning action can be realized on the shaftless helical blade 232 and the feed cylinder 233, residual mixed materials on the shaftless helical blade 232 can be scraped, so as to avoid influence on the feed cylinder 233 and the shaftless helical blade 232 caused by cooling and solidifying the residual materials, it is required to be explained that the stroke of the cleaning plate 32, which axially reciprocates on the shaftless helical blade 232, is limited, is avoided that the cleaning plate 32 is separated from the top end of the shaftless helical blade 232 or excessively displaces downwards, and excessively abuts against the bottom of the stirring tank 1 is formed, and the specific stroke limitation can be controlled by the speed and the length parameters of forward and reverse rotation of the driving motor 21, and the specific control method is realized by the control method, which is not understood by the relevant technical personnel in the field.
In the related art, this modified asphalt tubular mixer, no matter be in the in-process of stirring the mixed material or discharging the mixed material, because the bottom is the toper setting in agitator tank 1, and agitator tank 1 inside still fixedly connected has a material conveying section of thick bamboo 233, stirring leaf 242 can't stir the material of agitator tank 1 bottom, under the effect of mixed material viscidity, agitator tank 1 bottom very easily produces the material of standing, influence the whole mobility of whole agitator tank 1 inside material (in the stirring process inwards from material conveying section of thick bamboo 233 outside, then follow material conveying section of thick bamboo 233 bottom to upper end direction), and in the discharge process, easily cause agitator tank 1 bottom to remain more material unable discharge, cause too much to the material, and influence follow-up use.
According to some embodiments of the present application, as shown in fig. 9-10, the mixing device 2 is provided with an auxiliary mechanism 4, the auxiliary mechanism 4 comprises a rotating sleeve 41 in transmission connection with the limiting disc 22 and a scraping plate 42 in transmission connection with the stirring shaft 24, and two sides of the scraping plate 42 are respectively in sliding fit with the inner bottom wall of the stirring tank 1 and the side wall of the feeding cylinder 233.
The rotating sleeve 41 is rotatably sleeved on the shaft sleeve 23, so that the rotating sleeve 41 is not interfered with each other, and the rotating sleeve 41 rotates to penetrate through the top end of the stirring tank 1, one end of the rotating sleeve 41, which is close to the driving motor 21, is connected with the lower bevel gear 411 in a key manner, the lower bevel gear 411 is meshed with the upper bevel gear 212, and the rotating sleeve 41 is fixedly connected with the limiting disc 22, so that the driving motor 21 drives the limiting disc 22 to rotate through the mutually meshed bevel gears, and the rotating direction is opposite to the rotating direction of the shaft sleeve 23, so that the driven gear 241 in the limiting disc 22 rotates around the driving gear 231, and the driving gear 231 rotates under the rotating action of the shaft sleeve 23 by taking the stirring shaft 24 corresponding to each other as an axis, so that the stirring shaft 24 rotates by taking the shaft sleeve 23 as an axis at the same time, namely, when stirring materials are stirred, the stirring blades 242 revolve around the conveying cylinder 233, and the mixing stirring capability of the materials is further enhanced.
Wherein, as shown in fig. 10, the scraper 42 is fixedly connected with a limit column 421, the limit column 421 is in limit rotation connection with the stirring shaft 24, so that the stirring shaft 24 drives the scraper 42 to rotate around the material conveying cylinder 233, and because two sides of the scraper 42 are respectively in sliding fit with the side wall of the conical bottom end of the stirring tank 1 and the outer wall of the material conveying cylinder 233, the scraper 42 cannot rotate along with the stirring shaft 24 when rotating around the material conveying cylinder 233, and then the scraping of the side wall of the conical bottom end of the stirring tank 1 and the outer wall of the material conveying cylinder 233 is completed, and stirring is formed at the inner bottom end of the stirring tank 1, so that the flow of mixed materials is promoted.
Therefore, when the stirring device is specifically used, the lower bevel gear 411 is driven to rotate by the driving motor 21, the rotating sleeve 41 is driven to rotate, the limiting disc 22 is driven to rotate, and when the driving motor 21 is started, the shaft sleeve 23 is driven to rotate by the upper bevel gear 212, so that the limiting disc 22 and the driving gear 231 synchronously rotate reversely, further, the stirring blades 242 synchronously rotate by taking the stirring shaft 24 and the feeding barrel 233 as shafts respectively, the mixing capability of the stirring blades 242 on materials is enhanced, meanwhile, the stirring shaft 24 also drives the bottom end and the scraping plate 42 which is rotationally connected with the stirring shaft 24 synchronously rotate by taking the feeding barrel 233 as shafts, the scraping of the side wall of the conical bottom end of the stirring tank 1 and the outer wall of the feeding barrel 233 is completed, the stirring of the inner bottom end of the stirring tank 1 is promoted, the mixed materials are prevented from forming a standing state, the conveying action of the inner bottom end of the stirring tank 1 from bottom to top is prevented from being influenced, and the output effect of the asphalt pump 12 on the materials is prevented from being influenced by the shaftless spiral blades 232.
It should be noted that, specific model specifications of the asphalt pump 12, the driving motor 21, the driving bevel gear 211, the upper bevel gear 212, the driving gear 231, the shaftless helical blade 232, the driven gear 241 and the lower bevel gear 411 need to be determined according to the actual specifications of the device, and the specific model selection calculation method adopts the prior art in the art, so detailed description thereof is omitted.
The foregoing is merely illustrative embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily think about variations or substitutions within the technical scope of the present application, and the application should be covered. Therefore, the protection scope of the application is subject to the protection scope of the claims.

Claims (10)

1. The utility model provides a modified asphalt tubular blendor, contains agitator tank (1), be provided with raw materials entry (11) and pitch pump (12) on agitator tank (1), pitch pump (12) are used for carrying the mixed raw materials to swelling means in, agitator tank (1) week side rigid coupling has mount (13), agitator tank (1) adopts bilayer setting, wherein can external heating equipment be used for guaranteeing between the bilayer the inside temperature demand of agitator tank (1), its characterized in that:
The stirring tank is characterized in that a mixing device (2) is arranged in the stirring tank (1), the mixing device (2) comprises a driving motor (21) fixedly connected to the top end of the stirring tank (1), a limiting disc (22) is rotationally connected to the inner top of the stirring tank (1), a shaft sleeve (23) is connected to the output end of the driving motor (21) in a transmission mode, the shaft sleeve (23) rotationally penetrates through the top end of the stirring tank (1) and the limiting disc (22) and extends to the inside of the stirring tank (1), a part of the shaft sleeve (23) located in the limiting disc (22) is connected with a driving gear (231), the shaft sleeve (23) extends to one end in the stirring tank (1) and is fixedly connected with a shaftless helical blade (232), a feeding cylinder (233) is sleeved on the periphery of the shaftless helical blade (232), a stirring shaft (24) is evenly arranged on the periphery of the driving gear (231), the stirring shaft (24) is in transmission connection with the driving gear (231), and the stirring shaft (24) is connected to the limiting disc (22) through a bearing.
The mixing device (2) is provided with a cleaning mechanism (3), the cleaning mechanism (3) comprises a cleaning shaft (31) coaxially arranged with the shaft sleeve (23), and a cleaning plate (32) connected to the cleaning shaft (31) in a transmission manner, the cleaning plate (32) is in sliding fit with the shaftless spiral blade (232), and the top of the cleaning shaft (31) is sleeved with a limiting plate (33) capable of limiting the rotation of the cleaning shaft (31); the cleaning shaft (31) is rotationally inserted into the shaft sleeve (23), and a sliding groove (311) is axially formed in the side wall of the bottom end of the cleaning shaft (31); the cleaning plate (32) is sleeved at one end of the cleaning shaft (31) positioned at the bottom side of the shaft sleeve (23), and the cleaning plate (32) is in sliding fit with the sliding groove (311); the cleaning plate (32) and the shaftless spiral blade (232) are in sliding fit, the cleaning plate (32) is not more than half of the pitch of the shaftless spiral blade (232), and the cleaning plate (32) is in sliding fit with the inner wall of the feed conveying barrel (233); the limiting plate (33) is connected with the cleaning shaft (31) through a sliding key, the upper end face of the limiting plate (33) is symmetrically and fixedly connected with a positioning column (331), the lower end face of the limiting plate (33) is symmetrically and fixedly connected with a limiting block (332), and the lower end face of the limiting plate (33) is provided with an annular groove (333); a bracket (14) is fixedly connected to the top end of the stirring tank (1), the bracket (14) is in sliding fit with the cleaning shaft (31), and a through hole in plug fit with the positioning column (331) is formed in the bracket (14); the top end of the stirring tank (1) is symmetrically provided with a telescopic piece (34) by taking the cleaning shaft (31) as an axis, the telescopic end of the telescopic piece (34) is in limit running fit with the annular groove (333), and the fixed end of the telescopic piece (34) is fixedly connected with the stirring tank (1); one end of the shaft sleeve (23) close to the driving motor (21) is symmetrically provided with a notch (234), and the notch (234) is in plug-in fit with the limiting block (332).
2. A modified asphalt pipe mixer as defined in claim 1, wherein: the inner bottom of the stirring tank (1) is arranged in a conical shape, and the input end of the asphalt pump (12) is communicated with the inner bottom of the stirring tank (1).
3. A modified asphalt pipe mixer as defined in claim 1, wherein: the output end of the driving motor (21) is connected with a driving bevel gear (211) in a key way, one end of the shaft sleeve (23) close to the driving motor (21) is connected with an upper bevel gear (212) in a key way, and the upper bevel gear (212) is meshed with the driving bevel gear (211).
4. A modified asphalt pipe mixer as defined in claim 1, wherein: the limiting disc (22) is in running fit with the stirring tank (1), wherein the height of the limiting disc (22) is higher than that of the raw material inlet (11), and the limiting disc (22) is axially limited in the stirring tank (1).
5. A modified asphalt pipe mixer as defined in claim 1, wherein: the shaft sleeve (23) is connected with the top end of the stirring tank (1) through a bearing seat, and the shaft sleeve (23) and the stirring tank (1) are coaxially arranged.
6. A modified asphalt pipe mixer as defined in claim 1, wherein: the shaftless spiral blade (232) is in clearance fit with the inner bottom of the stirring tank (1), the material conveying cylinder (233) is fixedly connected with the inner bottom of the stirring tank (1), and openings are uniformly formed in the circumference of the bottom end of the material conveying cylinder (233).
7. A modified asphalt pipe mixer as defined in claim 1, wherein: the top end height of the feed conveying cylinder (233) is lower than the top end height of the shaftless spiral blade (232).
8. A modified asphalt pipe mixer as defined in claim 1, wherein: one end of the stirring shaft (24) positioned in the limiting disc (22) is connected with a driven gear (241) in a key way, and the driven gear (241) is meshed with the driving gear (231).
9. A modified asphalt pipe mixer as defined in claim 1, wherein: the stirring shaft (24) extends into the stirring tank (1), and part of the stirring shaft (24) positioned in the stirring tank (1) is connected with stirring blades (242) in a key way.
10. A modified asphalt pipe mixer as defined in claim 9, wherein: the stirring blades (242) are arranged in a 'string' -shaped manner, and the top ends of the stirring blades (242) are higher than the top ends of the shaftless spiral blades (232).
CN202410294081.4A 2024-03-14 2024-03-14 Modified asphalt tubular mixer Active CN118003497B (en)

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CN118403515A (en) * 2024-07-01 2024-07-30 天津市英创技术有限公司 Pet food mixing and stirring device
CN118700364B (en) * 2024-07-05 2024-12-03 江苏联创泡塑制品有限公司 Plastic particle mixer

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CN215311582U (en) * 2021-09-08 2021-12-28 甘肃昶通公路养护科技有限公司 Modified asphalt agitating unit of high-efficient stirring
CN216498885U (en) * 2021-12-10 2022-05-13 河南广润建设有限公司 Stirring device for color asphalt
CN216465517U (en) * 2022-04-12 2022-05-10 山东胜星新能源有限公司 Chemical industry plastics production is with even compounding agitating unit
CN219559363U (en) * 2023-04-10 2023-08-22 万耀维盛(青岛)宠物食品有限公司 Emulsifying beater

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