CN211057548U

CN211057548U - Improved mechanism of continuous asphalt mixture stirrer

Info

Publication number: CN211057548U
Application number: CN201921582118.4U
Authority: CN
Inventors: 林海翔
Original assignee: Fujian Tietuo Machinery Co Ltd
Current assignee: Fujian Tietuo Machinery Co Ltd
Priority date: 2019-09-23
Filing date: 2019-09-23
Publication date: 2020-07-21
Anticipated expiration: 2029-09-23

Abstract

The utility model discloses an improved mechanism of continuous type bituminous mixture mixer, including mixer A and mixer B of upper and lower two-stage setting, this mixer A and mixer B are all including base, stirring cylinder body, agitating unit and transmission, and mixer A's agitating unit, the form of arranging of the epaxial stirring arm of stirring is: feeding one and returning one to set one group, feeding one and returning one to set several groups, and then returning to set one group, wherein the corresponding back returning arm of the back returning is positioned at the back of the discharge hole; the stirring arm on the stirring shaft of the stirring device of the stirrer B is arranged in the form that: n feeds one and returns, and the back returns and establishes a set of, and the back that should return back the correspondence returns the arm and is located the rear of discharge gate. The arrangement form of the continuous two-stage stirring process is specially designed on the basis of upper and lower two-stage continuous stirring, and the material mixing and refining effect exerted by the arrangement of the specific form of the two-stage stirring process has very outstanding performance and is beneficial to realizing the adaptability of various types of asphalt.

Description

Improved mechanism of continuous asphalt mixture stirrer

Technical Field

The utility model relates to a pitch stirring technical field specifically indicates a continuous type bituminous mixture mixer's improvement mechanism.

Background

The stirring cylinder in the existing continuous asphalt mixture stirring equipment adopts a horizontally arranged structural form, and in order to improve the mixing uniformity of the asphalt mixture, the length of a stirring cylinder body is inevitably required to be prolonged, so that the stirring time of the asphalt mixture in the stirring cylinder body is prolonged, and the problems caused by the structure are that the whole weight of the stirring cylinder is large, the cost is high, and the occupied area is large. And for a stirring cylinder with a fixed structure, the adaptability to various types of asphalt mixtures is poor, and the related parameters of equipment can not be flexibly changed, so that the production efficiency is low.

In view of the above disadvantages, the present application provides an improved mechanism for a continuous asphalt mixer, and the improved mechanism is developed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a continuous type bituminous mixture mixer's improvement mechanism, the mixing uniformity and the type suitability that bring have further promotion.

In order to achieve the above purpose, the solution of the present invention is:

an improved mechanism of a continuous asphalt mixture stirrer comprises a stirrer A and a stirrer B which are arranged in an upper-lower two-stage manner, wherein the stirrer A and the stirrer B respectively comprise a base, a stirring cylinder body, a stirring device and a transmission device, the top and the bottom of the stirring cylinder body, which are close to the two ends of the stirring cylinder body, are respectively provided with a feeding hole and a discharging hole, and the discharging hole of the stirrer A and the feeding hole of the stirrer B are arranged in an up-down communication manner; the stirring device is arranged in the stirring cylinder body and is driven by the transmission device to rotate and stir; the stirring device of the stirrer A is provided with two stirring shafts which are arranged in parallel, and the arrangement form of the stirring arms on the stirring shafts is that from the feeding end to the discharging end: feeding one and returning one to set one group, feeding one and returning one to set several groups, and then returning to set one group, wherein the corresponding back returning arm of the back returning is positioned at the back of the discharge hole; the stirring device of the stirrer B is provided with two stirring shafts which are arranged in parallel, and the arrangement form of the stirring arms on the stirring shafts is that: n feeds one and returns, and the back returns and establishes a set of, and the back that should return back the correspondence returns the arm and is located the rear of discharge gate.

The stirring shaft is provided with 13 stirring arms, and the feeding group and the returning group of the stirring device A are 4 groups; the N feed-return of the stirring device B is 11 feed-return.

The stirrer A and the stirrer B further comprise inclination angle adjusting mechanisms, the inclination angle adjusting mechanisms are installed between the base and the stirring cylinder body, and the inclination angle of the stirring cylinder body with the end where the discharge port is located as the inclined high end is adjusted.

The inclination angle adjusting mechanism is a lifting mechanism, one end of the stirring cylinder body, corresponding to the material inlet, is movably hinged on the base, and the lifting mechanism is movably hinged between the stirring cylinder body and the base so as to perform lifting adjustment on one end of the stirring cylinder body, corresponding to the material outlet.

The lifting mechanisms are two groups of lifting oil cylinders which are symmetrically arranged at the two sides of the stirring cylinder body.

After adopting above-mentioned scheme, this novel continuous type bituminous mixture mixer's improvement mechanism lies in for prior art's beneficial effect: the arrangement form of the continuous two-stage stirring processes is specially designed on the basis of upper and lower two-stage continuous stirring, and the material mixing and homogenizing effect exerted by the arrangement of the specific form of the two-stage stirring processes has very outstanding performance and is beneficial to realizing the adaptability of various types of asphalt.

Drawings

FIG. 1 is a front view of the novel blender;

FIG. 2 is a front view of blender A;

FIG. 3 is a front view of blender B;

FIG. 4 is a schematic view of the recliner mechanism on blender A.

Description of the reference symbols

A blender A100, a base 11, a blending cylinder 12, a feed inlet 121, a discharge outlet 122,

the transmission device 13, the stirring device 14 and the inclination angle adjusting mechanism 15;

a blender B200, a base 21, a blending cylinder 22, a feed inlet 221, a discharge outlet 222,

a transmission device 23 and a stirring device 24.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and embodiments.

The present invention relates to an improved mechanism of a continuous asphalt mixture mixer, as shown in fig. 1-4, comprising a mixer a100 and a mixer B200 which are arranged in an upper and a lower two-stage manner, wherein the mixer a100 and the mixer B200 are arranged on a frame 400 in an upper and a lower layer manner, and are in an upper and a lower two-stage manner.

The mixer a100 includes a base 11, a mixer cylinder 12, a transmission device 13, and a mixer 14. The top and bottom of the mixing cylinder 12 near both ends thereof are respectively provided with a feed port 121 and a discharge port 122, and more specifically, the mixing cylinder 12 is provided with the feed port 121 near the top of the mixing cylinder 12 near the front end thereof and the discharge port 122 near the bottom of the mixing cylinder 12 near the rear end thereof, in a front-to-rear direction in which the mixed material is stirred and conveyed. The stirring device 14 is installed in the stirring cylinder 12, and has two stirring shafts 141 arranged in parallel, the stirring shafts 141 are provided in the stirring cylinder 12 so as to extend in the front-rear direction, and stirring arms are provided on the stirring shafts 141, and the stirring arms are divided into a feed stirring arm and a return stirring arm according to the functions to be exerted. The transmission device 13 is installed outside the stirring cylinder 12 and is in transmission connection with the stirring device 14 (two stirring shafts 141), so as to drive the stirring device 14 (two stirring shafts 141) to rotate to realize stirring.

The basic structure of blender B200 is the same as blender A100, and includes base 21, blending cylinder 22, transmission 23, blending device 24 and discharge door device 26. The top and bottom of the cylinder 22 near both ends thereof are provided with a feed port 221 and a discharge port 222, respectively. The stirring device 24 is installed in the stirring cylinder 22, and has two stirring shafts 241 arranged in parallel, and stirring arms are provided on the stirring shafts 241, and the stirring arms are divided into a feeding stirring arm and a returning stirring arm according to the functions of the feeding stirring arm and the returning stirring arm. The transmission device 13 is installed outside the stirring cylinder 22 and is in transmission connection with the stirring device 24 (two stirring shafts 241), so as to drive the stirring device 24 (two stirring shafts 241) to rotate to realize stirring.

The stirrer A100 and the stirrer B200 are designed to be continuously stirred in two stages up and down, wherein the discharge hole 122 of the stirrer A100 is vertically communicated with the feed hole 221 of the stirrer B200, so that the mixture sent out by the stirrer A100 can be directly and continuously fed into the stirrer B200.

The main invention of the present application is a novel combination design of the respective stirring devices of the stirrer a100 and the stirrer B200, as shown in fig. 2, the arrangement form of the stirring arms on the two stirring shafts 141 of the stirring device 14 of the stirrer a100 sequentially from the feeding end to the discharging end is as follows: and the three feeding and returning devices are arranged in a group, the feeding and returning devices are arranged in a plurality of groups, the back returning device is arranged in a group, and the back returning arm corresponding to the back returning device is positioned behind the discharge hole. In other words, the arrangement form of the stirring arm of the stirrer A is divided into three stages, from the feeding hole 121, in the first stage, three feeding arms 142 are provided with a returning arm 142 continuously for rapidly shifting the asphalt mixture to the middle part of the stirring cylinder, so that the asphalt mixture is prevented from being accumulated at the front end part of the stirring cylinder; in the second stage, the middle part of the stirring cylinder adopts a plurality of repeated group structural forms of a feeding arm 142 and a returning arm 143, and the asphalt mixture is driven to be fully stirred and fused in a limited space through the rotating motion of the stirring arm; in the third stage, a rear returning arm 144 is disposed behind the discharge port 122 for rapidly shifting the asphalt mixture to the discharge door while avoiding being retained behind the discharge port 122.

As shown in fig. 3, the arrangement of the stirring arms on the two stirring shafts 241 of the stirring device 24 of the stirrer B200 from the feeding end to the discharging end is as follows: n feeds one and returns, and the back returns and establishes a set of, and the back that should return back the correspondence returns the arm and is located the rear of discharge gate. In other words, the arrangement form of the stirring arms of the stirrer B200 is divided into two stages, the asphalt mixture which is mixed and stirred by the upper stage is fed from the feeding hole 121, the N feeding arms 242 facing the same direction are adopted in the first stage, the asphalt mixture can rapidly flow to the tail part of the stirring cylinder, and the mixing and stirring are carried out in the stirring and flowing process; in the second stage, a rear return arm 244 is arranged behind the discharge port 222 and used for rapidly shifting the asphalt mixture to a discharge door and avoiding being detained behind the discharge port 222.

Given the preferred embodiment, there are 13 mixing arms on the mixing shaft 141 of the mixing device 14, and there are 4 sets corresponding to the one-feed one-return, that is, the arrangement form is feed/return; the stirring shaft 241 of the stirring device 24 is also provided with 13 stirring arms, and N feed-return is 11 feed-return, i.e. the arrangement is in the form of feed/return/post-return.

The stirring process arrangement forms of the respective stirring devices of the stirrer A100 and the stirrer B200 are regarded as a whole, the continuous two-stage stirring process arrangement form is specially designed on the basis of upper and lower two-stage continuous stirring, the stirring time of the asphalt mixture can be effectively prolonged, the mixing uniformity is improved, and the mixing uniformity and the type applicability brought by the mixing process arrangement form are further improved.

Preferably, the stirrer A100 and the stirrer B200 further comprise inclination angle adjusting mechanisms for realizing respective flexible adjustment of inclination angles of the two-stage stirring cylinders. The mixer A100 is taken as an example for explanation. The tilt angle adjusting mechanism 15 of the agitator a100 is installed between the base 11 and the agitator cylinder 12, and is used for adjusting the agitator cylinder tilt angle of the agitator cylinder 12, which takes the end (rear end) where the discharge port 122 is located as a high tilt end, specifically, a horizontal included angle a between the center line of the agitator cylinder and the horizontal. Similarly, the tilt angle adjusting mechanism of the mixer a200 is installed between the base 21 and the mixer cylinder 22, and is used for adjusting the mixer cylinder tilt angle (mixer cylinder horizontal included angle a) of the mixer cylinder 22. Under the condition that the hardware condition of the stirrer is certain, the discharging speed of the stirring cylinder is adjusted through the change of the horizontal included angle of the stirring cylinder, so that the basic purpose of controlling the yield and the uniformity of the asphalt mixture is achieved, and meanwhile, the applicability of various types of asphalt is facilitated.

Preferably, the tilt angle adjusting mechanism is a lifting mechanism, specifically, the tilt angle adjusting mechanism 15 of the blender a100 is taken as an example, and the tilt angle adjusting mechanism of the blender B200 is the same. The front end (corresponding to the end of the material inlet 121) of the mixing cylinder 12 is movably hinged on the base 11, and the lifting mechanism is movably hinged between the mixing cylinder 12 and the base 11 to perform lifting adjustment action on the rear end (corresponding to the end of the material outlet 122) of the mixing cylinder 12. The lifting mechanism can specifically adopt a lifting oil cylinder, and the rear end of the stirring cylinder body 12 can be driven to lift through the telescopic action of the lifting oil cylinder, so that the horizontal included angle a of the stirring cylinder is finally adjusted. In the specific embodiment, two groups of lifting oil cylinders are symmetrically arranged at two sides of the stirring cylinder body. The inclination angle value (the horizontal included angle a of the stirring cylinder) is preferably controlled within the range of between 0 and 25 degrees.

The foregoing is only a preferred embodiment of the present invention and all equivalent changes and modifications made within the scope of the present invention are intended to be covered by the appended claims.

Claims

1. The utility model provides an improvement mechanism of continuous type bituminous mixture mixer which characterized in that: the stirring device comprises a stirrer A and a stirrer B which are arranged in an upper-lower two-stage manner, wherein the stirrer A and the stirrer B respectively comprise a base, a stirring cylinder body, a stirring device and a transmission device, the top and the bottom of the stirring cylinder body, which are close to the two ends of the stirring cylinder body, are respectively provided with a feeding hole and a discharging hole, and the discharging hole of the stirrer A and the feeding hole of the stirrer B are arranged in a vertically communicated manner; the stirring device is arranged in the stirring cylinder body and is driven by the transmission device to rotate and stir; the stirring device of the stirrer A is provided with two stirring shafts which are arranged in parallel, and the arrangement form of the stirring arms on the stirring shafts is that from the feeding end to the discharging end: feeding one and returning one to set one group, feeding one and returning one to set several groups, and then returning to set one group, wherein the corresponding back returning arm of the back returning is positioned at the back of the discharge hole; the stirring device of the stirrer B is provided with two stirring shafts which are arranged in parallel, and the arrangement form of the stirring arms on the stirring shafts is that: n feeds one and returns, and the back returns and establishes a set of, and the back that should return back the correspondence returns the arm and is located the rear of discharge gate.

2. The improved mechanism of a continuous asphalt mixer as defined in claim 1, wherein: the stirring shaft is provided with 13 stirring arms, and the feeding group and the returning group of the stirring device A are 4 groups; the N feed-return of the stirring device B is 11 feed-return.

3. The improved mechanism of a continuous asphalt mixer as defined in claim 1, wherein: the stirrer A and the stirrer B further comprise inclination angle adjusting mechanisms, the inclination angle adjusting mechanisms are installed between the base and the stirring cylinder body, and the inclination angle of the stirring cylinder body with the end where the discharge port is located as the inclined high end is adjusted.

4. The improved mechanism of a continuous asphalt mixer as claimed in claim 3, wherein: the inclination angle adjusting mechanism is a lifting mechanism, one end of the stirring cylinder body, corresponding to the material inlet, is movably hinged on the base, and the lifting mechanism is movably hinged between the stirring cylinder body and the base so as to perform lifting adjustment on one end of the stirring cylinder body, corresponding to the material outlet.

5. The improved mechanism of a continuous asphalt mixer as claimed in claim 4, wherein: the lifting mechanisms are two groups of lifting oil cylinders which are symmetrically arranged at the two sides of the stirring cylinder body.