Solution proportioning device of concrete additive
Technical Field
The utility model relates to the technical field of solution proportioning, in particular to solution proportioning of an additive, and specifically relates to a solution proportioning device of a concrete additive.
Background
The concrete additive is a chemical substance which is mixed in the process of stirring concrete and accounts for less than 5% of the mass of cement and can obviously improve the performance of the concrete. The concrete additive has the characteristics of more varieties, small mixing amount, large influence on the performance of concrete, low investment, quick response and remarkable technical and economic benefits. With the continuous progress of science and technology, additives have been increasingly used, and the additives have become 5 th important components of concrete except for 4 basic components.
In large-scale construction engineering, the amount of concrete is huge, and the additive needs to be accurately proportioned at first, so that the engineering concrete added with the additive can obtain the best use effect.
Through retrieving, the patent of application number 201922247086.9 discloses a concrete additive proportioning device, which comprises a frame, fixed mounting has the batching jar in the frame, fixed mounting has gear motor on the cover of batching jar, there is the stirring rake on gear motor's the output shaft through the coupling joint. According to the utility model, the solid flowmeter is arranged to accurately and proportionally add the additive required by the concrete, and the speed reducing motor is arranged to drive the stirring paddle to uniformly stir, so that the concrete additive can be accurately and efficiently mixed and stirred; pumping air into the material mixing tank through an air compressor, and taking the additive solution which is mixed and stirred in the tank through a discharging pipe; residual solution attached to the inner wall of the tank after the additive solution in the tank is used can be scraped by the rotary scraping plate, meanwhile, the residual additive is washed and used by injecting water through the water inlet pipe and the annular pipe, and the waste of the concrete additive is avoided.
When the solution of the solid additive (especially the powdery additive) is mixed in proportion, the additives are all poured into the mixer through the cooperation of the hopper, the feed pipe and the flowmeter, the powdery additive is slowly mixed into the solvent, a part of the additive is accumulated on the surface of the solvent, and in the subsequent stirring and mixing process, the mixing speed of the additive and the solvent is low, the efficiency is low, and the problem of additive agglomeration is easy to occur; in the process of stirring and mixing the additive and the solvent, the additive floating on the surface of the solvent can be dispersed along with water waves and adhered to the inner wall of a batching barrel, so that not only is the waste of raw materials caused, but also the proportioning relation of the additive solution and even the quality of concrete are influenced, and the solution proportioning device of the concrete additive is required.
Disclosure of utility model
The utility model aims to provide a solution proportioning device for concrete additives, which is characterized in that through the design of a feeding mechanism, different additives are added from different feed hoppers and then enter a spiral feeding channel together, so that a plurality of additives can be premixed, and under the blowing of wind force, the mixed additives are scattered on the surface of a solvent in a dispersing way from a feed opening of a dispersing tray, so that the mixing of the additives and the solvent is accelerated, the occurrence of the agglomeration of the additives is reduced, and the proportioning efficiency of the additive solution is improved; through the design of scraper blade, the in-process of compounding, the scraper blade can scrape down the additive that is stained with on the batching bucket inner wall, reenters in the solvent and mixes, reduces the waste of raw materials for all additives all mix with the solvent, have solved the ratio relation of changing the additive solution, influence the problem of concrete's quality even, in order to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the solution proportioning device for the concrete additive comprises a proportioning barrel, wherein a barrel cover is arranged at the top of the proportioning barrel, a feeding mechanism for the additive is arranged on the barrel cover, the feeding mechanism comprises a plurality of feeding hoppers and fixing columns, the feeding hoppers penetrate through the barrel cover and are fixed at the inner top of the barrel cover, a spiral blanking channel is arranged on the outer wall of each fixing column, a feeding pipe is communicated between each feeding hopper and each blanking channel, the lower end of each blanking channel is connected with a blanking pipe, and the bottom of each blanking pipe is connected with a material dispersing mechanism;
the material dispersing mechanism comprises a bulk material tray, a first blanking opening is formed in the bottom surface of the bulk material tray, and a second blanking opening is formed in the bottom edge of the bulk material tray; the inside rotation of batching bucket installs the compounding mechanism, the compounding mechanism is including scraping the scraper blade that the batching bucket inner wall was stained with the additive.
Preferably, the barrel cover is provided with a blower, the air outlet end of the blower is connected with an air pipe, and one end of the air pipe is communicated with the blanking channel.
Preferably, the base is installed to the bottom of batching bucket, the internally mounted of base has drive compounding mechanism pivoted motor.
Preferably, the mixing mechanism further comprises a rotating shaft connected with an output shaft of the motor, the upper end of the outer wall of the rotating shaft is connected with a stirring sheet, and the stirring sheet is obliquely arranged.
Preferably, the lower end of the outer wall of the rotating shaft is sleeved with a sleeve, the side part of the sleeve is connected with an L-shaped connecting rod, the scraping plate is arranged on the connecting rod, and one side of the scraping plate is attached to the inner wall of the batching barrel.
Preferably, the lower end of the outer wall of the batching bucket is connected with a discharging pipe, and a valve is arranged on the discharging pipe.
Compared with the prior art, the utility model has the beneficial effects that:
1. According to the utility model, through the design of the feeding mechanism, after different additives are added from different feed hoppers, the additives enter the spiral feeding channel together, so that a plurality of additives can be premixed, and under the blowing of wind force, the mixed additives are scattered on the surface of a solvent in a dispersing way from a discharging opening of a dispersing tray, so that the mixing of the additives and the solvent is accelerated, the occurrence of the agglomeration of the additives is reduced, and the proportioning efficiency of an additive solution is improved;
2. According to the utility model, through the design of the scraping plate, the scraping plate can scrape down the additive adhered to the inner wall of the batching barrel in the mixing process and re-enter the solvent for mixing, so that the waste of raw materials is reduced, all the additives are mixed with the solvent, and the problems of changing the proportioning relation of the additive solution and even affecting the quality of concrete are solved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is an exploded view of the present utility model;
FIG. 3 is a schematic view of the feed mechanism of the present utility model;
Fig. 4 is a schematic structural view of the material dispersing mechanism of the present utility model.
In the figure: 1. a dosing barrel; 2. a base; 21. a motor; 3. a barrel cover; 4. a feed mechanism; 41. a feed hopper; 42. a feed pipe; 43. a blanking channel; 44. discharging pipes; 45. a material dispersing mechanism; 451. a bulk tray; 452. a first blanking port; 453. a second feed opening; 46. a blower; 47. an air duct; 48. fixing the column; 5. a discharge pipe; 6. a mixing mechanism; 61. a rotating shaft; 62. stirring sheets; 63. a sleeve; 64. a connecting rod; 65. a scraper.
Detailed Description
The following description of the embodiments of the present utility model 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 utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a solution proportioning device of concrete additive, including batching bucket 1, the top demountable installation of batching bucket 1 has bung 3, install the feed mechanism 4 of additive on bung 3, feed mechanism 4 includes a plurality of feeder hoppers 41 that run through and fix on bung 3 and fix at the interior top of bung 3 fixed column 48, feeder hoppers 41 set up as the top expands outward, the feeder hoppers of bottom adduction, helical unloading passageway 43 are installed to the outer wall of fixed column 48, different additives realize premixing in unloading passageway 43, the intercommunication is provided with inlet pipe 42 between feeder hoppers 41 and the unloading passageway 43, inlet pipe 42 is the slope and sets up downwards, make things convenient for the additive landing to feed unloading passageway 43, the lower extreme of unloading passageway 43 is connected with unloading pipe 44, the bottom of unloading pipe 44 is connected with material dispersion mechanism 45;
The material dispersing mechanism 45 comprises a bulk material disc 451, a first blanking opening 452 is formed in the bottom surface of the bulk material disc 451, and a second blanking opening 453 is formed in the bottom edge of the bulk material disc 451; the mixed additive is sprayed out in a dispersing mode from the first blanking port 452 and the second blanking port 453, and the additive can uniformly fall on the surface of the solvent, so that subsequent mixing is facilitated. The inside rotation of batching bucket 1 installs compounding mechanism 6, and compounding mechanism 6 is including scraping the scraper blade 65 that batching bucket 1 inner wall was stained with the additive, and scraper blade 65 can scrape down the additive that glues and get back to in the solvent again, continues to mix, stops the waste of additive, improves the utilization ratio of additive, realizes the accuracy of additive ratio.
The barrel cover 3 is provided with a blower 46, the air outlet end of the blower 46 is connected with an air pipe 47, and one end of the air pipe 47 is communicated with the blanking channel 43. Blower 46 is used to accelerate the mixing of the various additives and to blow the additives into the dosing barrel.
The base 2 is installed to the bottom of batching bucket 1, and the internally mounted of base 2 has the motor 21 that drives compounding mechanism 6 pivoted.
The mixing mechanism 6 further comprises a rotating shaft 61 connected with the output shaft of the motor 21, the upper end of the outer wall of the rotating shaft 61 is connected with a stirring sheet 62, and the stirring sheet 62 is obliquely arranged to improve the mixing effect.
The lower end of the outer wall of the rotating shaft 61 is sleeved with a sleeve 63, the side part of the sleeve 63 is connected with an L-shaped connecting rod 64, a scraping plate 65 is arranged on the connecting rod 64, and one side of the scraping plate 65 is attached to the inner wall of the batching bucket 1.
In the mixing process, part of the additive floats on the surface of the solvent and is adhered to the inner wall of the batching barrel 1, at the moment, the rotating shaft 61 drives the connecting rod 64 to rotate, and the connecting rod 64 drives the scraping plate 65 to do circular motion along the barrel wall of the batching barrel 1, so that the adhered additive can be scraped off and returned to the solvent again to continue mixing.
The lower end of the outer wall of the batching bucket 1 is connected with a discharging pipe 5, and a valve is arranged on the discharging pipe 5.
When the feeding device is used, the blower 46 is started to respectively feed different additives from the feed hoppers 41, the multiple additives flow into the spiral blanking channels 43 along the feed pipes 42, the blower 46 conveys air to blow into the blanking channels 43, premixing of the multiple additives in the blanking channels 43 is achieved, then the additives flow into the bulk tray 451 from the blanking pipes 44, under the action of wind force, the mixed additives are sprayed out in a dispersing mode from the first blanking port 452 and the second blanking port 453, the additives can uniformly fall on the surface of a solvent, subsequent mixing is facilitated, and the mixing speed is increased;
then the motor 21 drives the rotating shaft 61 to rotate, the rotating shaft 61 drives the stirring blade 62 to rotate, so that the additive and the solvent are fully mixed, part of the additive floats on the surface of the solvent and is adhered to the inner wall of the batching barrel 1 in the mixing process, at the moment, the rotating shaft 61 drives the connecting rod 64 to rotate, the connecting rod 64 drives the scraping plate 65 to do circular motion along the barrel wall of the batching barrel 1, the adhered additive can be scraped off and returned to the solvent again, the additive is continuously mixed, the waste of the additive is avoided, the utilization rate of the additive is improved, and the accuracy of the proportioning of the additive is realized.
Although embodiments of the present utility model 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 utility model, the scope of which is defined in the appended claims and their equivalents.