CN217288218U - Efficient-stirring double-rotor sand mixer - Google Patents

Abstract

The utility model discloses a birotor roller mill of high-efficient stirring, relate to the foundry goods equipment field, solve the current roller mill equipment when using, stirring efficiency is slower, can't get the problem of abundant stirring to the material of bottom in the agitator, including the bottom plate, be provided with the reducing gear box above the bottom plate, be provided with the churn above the reducing gear box, the churn is installed on the bottom plate through the landing leg, the side of reducing gear box is provided with driving motor, driving motor's output shaft and the input shaft of reducing gear box, set up bed charge circulation structure in the churn, the output shaft of reducing gear box is connected with bed charge circulation structure, bed charge circulation structure bilateral symmetry is provided with the rabbling mechanism, the symmetry sets up the mounting panel that is used for installing the rabbling mechanism above the churn; the utility model discloses a bed charge circulation structure drives the material rebound of churn bottom and participates in the stirring again, not only can improve stirring efficiency, can also effectually stir the material of bottom.

Description

Efficient-stirring double-rotor sand mixer

Technical Field

The utility model relates to a foundry goods equipment field specifically is a birotor roller mill of high-efficient stirring.

Background

At present, metal parts such as an internal combustion engine housing, a transmission housing and a differential housing in an automobile are mostly produced and processed by a casting process. The sand casting is a casting method for producing castings in a sand mold, and in order to ensure that the manufactured sand mold and cores have certain strength and are not deformed or damaged during carrying, mold assembling and liquid metal pouring, a molding sand binder is generally added in the casting process, loose sand grains are bound to form molding sand, and therefore a sand mixer is needed to uniformly mix casting sand, the binder, an additive, water and the like to form the molding sand or the core sand with certain performance.

When the existing sand mixing equipment is used, the stirring efficiency is low, and materials at the bottom in the stirring barrel cannot be fully stirred.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the utility model provides a birotor roller sand mixer of high-efficient stirring for solve current roller mill equipment when using, stirring efficiency is slower, can not obtain abundant stirring to the material of bottom in the agitator problem.

The utility model adopts the technical scheme as follows: a double-rotor sand mixer with high-efficiency stirring comprises a bottom plate, a reduction box is arranged above the bottom plate, a mixing drum is arranged above the reduction gearbox, the mixing drum is arranged on the bottom plate through supporting legs, the side surface of the reduction box is provided with a driving motor, the output shaft of the driving motor is connected with the input shaft of the reduction box through a coupler, a backing material circulating structure is arranged in the mixing drum, an output shaft of the reduction gearbox is connected with the backing material circulating structure, used for driving the bed material circulation structure, stirring mechanisms used for stirring materials are symmetrically arranged on two sides of the bed material circulation structure, mounting plates for mounting the stirring mechanism are symmetrically arranged above the stirring drum, a blanking hole is arranged at the bottom of the stirring drum, the discharging hole is communicated with the backing material circulating structure through a discharging pipe, a discharging window is formed in the mixing drum, and a discharging bin door used for controlling the opening and closing of the discharging window is hinged to the outer side of the discharging window.

The stirring mechanism comprises a stirring motor, a stirring shaft, stirring blades and a scraping plate, wherein the stirring shaft penetrates through the mounting plate along the vertical direction, the stirring shaft is positioned in part of the stirring cylinder, the stirring blades are uniformly distributed from top to bottom, the lowest end of the stirring shaft is provided with the scraping plate, the stirring motor is fixed on the cylinder wall of the stirring cylinder, and the stirring motor drives the stirring shaft to rotate through belt transmission.

The bottom material circulating structure comprises an auger and a circulating pipe, the circulating pipe is in a tubular shape with an upper end opened, the closed end of the circulating pipe penetrates through the bottom of the stirring barrel in the vertical direction, and the auger driven by the reduction gearbox is arranged in the circulating pipe.

The working principle is as follows: the materials to be stirred are put into the stirring drum through the opening end of the stirring drum, a driving belt wheel is arranged on the output shaft of the stirring motor, the upper end of the stirring shaft is correspondingly provided with a driven belt wheel, and the driving belt wheel is connected with the driven belt wheel through a V-belt, so that when the stirring motor works, the stirring shaft can be driven to rotate through belt transmission, the stirring shaft drives the stirring blades to stir and mix materials when rotating, the scraper blade arranged at the lowermost end of the stirring shaft can scrape the materials at the bottom of the stirring cylinder to enable the materials to enter the blanking pipe through the blanking hole, the materials enter the circulating pipe along the blanking pipe, the auger drives the materials in the auger to move upwards when rotating, the materials are sprayed out from the upper end opening of the circulating pipe and fall into the stirring cylinder from the top to continue stirring, thereby can also effectually stir the material of bottom on improving stirring efficiency's basis.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

the utility model discloses a bed charge circulation structure drives the material rebound of churn bottom and participates in the stirring again, not only can improve stirring efficiency, can also effectually stir the material of bottom.

Description of the drawings:

FIG. 1 is a schematic view of the internal structure of the present invention;

fig. 2 is a front view of the present invention.

Description of the reference numerals:

1. a mixing drum; 2. a stirring mechanism; 21. a stirring motor; 22. a stirring shaft; 23. stirring blades; 24. a squeegee; 3. a bed charge circulation structure; 31. a packing auger; 32. a circulation pipe; 4. a blanking hole; 5. a discharging pipe; 6. a support leg; 7. a base plate; 8. a reduction gearbox; 9. a drive motor; 10. a blanking bin gate; 11. and (7) mounting the plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Example 1

Fig. 1-2 show: a double-rotor sand mixer capable of efficiently mixing comprises a bottom plate 7, a reduction gearbox 8 is arranged above the bottom plate 7, a mixing drum 1 is arranged above the reduction gearbox 8, the mixing drum 1 is installed on the bottom plate 7 through supporting legs 6, a driving motor 9 is arranged on the side face of the reduction gearbox 8, an output shaft of the driving motor 9 is connected with an input shaft of the reduction gearbox 8 through a coupler, a backing material circulating structure 3 is arranged in the mixing drum 1, an output shaft of the reduction gearbox 8 is connected with the backing material circulating structure 3, the automatic feeding device is used for driving the automatic feeding device, stirring mechanisms 2 used for stirring materials are symmetrically arranged on two sides of a bottom material circulating structure 3, mounting plates 11 used for mounting the stirring mechanisms 2 are symmetrically arranged above a stirring barrel 1, a discharging hole 4 is formed in the barrel bottom of the stirring barrel 1, the discharging hole 4 is communicated with the bottom material circulating structure 3 through a discharging pipe 5, a discharging window is formed in the stirring barrel 1, and a discharging bin door 10 used for controlling the discharging window to be opened and closed is arranged on the outer side of the discharging window in a hinged mode.

The stirring mechanism 2 comprises a stirring motor 21, a stirring shaft 22, stirring blades 23 and a scraper 24, the stirring shaft 22 penetrates through the mounting plate 11 along the vertical direction, the stirring blades 23 are uniformly distributed on the part, located in the stirring cylinder 1, of the stirring shaft 22 from top to bottom, the scraper 24 is arranged at the lowest end of the stirring shaft 22, the stirring motor 21 is fixed on the cylinder wall of the stirring cylinder 1, and the stirring motor 21 drives the stirring shaft 22 to rotate through belt transmission.

The backing material circulating structure 3 comprises an auger 31 and a circulating pipe 32, the circulating pipe 32 is in a tubular shape with an opening at the upper end, the closed end of the circulating pipe penetrates through the bottom of the stirring cylinder 1 along the vertical direction, and the auger 31 driven by the reduction gearbox 8 is arranged in the circulating pipe 32.

The working principle is as follows: the material to be stirred is put into the stirring drum 1 through the opening end thereof, the output shaft of the stirring motor 21 is provided with a driving belt wheel, the upper end of the stirring shaft 22 is correspondingly provided with a driven belt wheel, the driving belt wheel and the driven belt wheel are connected through a V-belt, therefore, when the stirring motor 21 works, the stirring shaft 22 can be driven by belt transmission to rotate, the stirring shaft 22 drives the stirring blades 23 to stir and mix the material, the scraper 24 arranged at the lowest end of the stirring shaft 22 can scrape the material at the bottom of the stirring drum 1 to enable the material to enter the blanking pipe 5 through the blanking hole 4, the material enters the circulating pipe 32 along the blanking pipe 5, the auger 31 drives the material in the circulating pipe to move upwards when rotating, the material is sprayed out from the opening at the upper end of the circulating pipe 32 and falls into the stirring drum 1 from the beginning to continue stirring, thereby improving the stirring efficiency, can also effectively stir the materials at the bottom.

Claims (4)

1. The efficient-stirring double-rotor sand mixer is characterized by comprising a bottom plate (7), wherein a reduction box (8) is arranged above the bottom plate (7), a stirring barrel (1) is arranged above the reduction box (8), the stirring barrel (1) is installed on the bottom plate (7) through supporting legs (6), a driving motor (9) is arranged on the side face of the reduction box (8), an output shaft of the driving motor (9) is connected with an input shaft of the reduction box (8), a backing material circulating structure (3) is arranged in the stirring barrel (1), an output shaft of the reduction box (8) is connected with the backing material circulating structure (3), stirring mechanisms (2) are symmetrically arranged on two sides of the backing material circulating structure (3), mounting plates (11) used for mounting the stirring mechanisms (2) are symmetrically arranged above the stirring barrel (1), and a blanking hole (4) is formed in the bottom of the stirring barrel (1), the discharging hole (4) is communicated with the base material circulating structure (3) through a discharging pipe (5), a discharging window is formed in the mixing drum (1), and a discharging bin door (10) used for controlling the opening and closing of the discharging window is arranged on the outer side of the discharging window in a hinged mode.

2. The double-rotor sand mixer with high-efficiency stirring of claim 1, wherein: rabbling mechanism (2) are including agitator motor (21), (mixing) shaft (22) and stirring leaf (23), will along vertical direction (mixing) shaft (22) mounting panel (11) run through, agitator shaft (22) are located part top-down in churn (1) evenly arranges and sets up stirring leaf (23), agitator motor (21) are fixed on the section of thick bamboo wall of churn (1), agitator motor (21) are through the drive of belt drive (mixing) shaft (22) rotate.

3. The double-rotor sand mixer with high-efficiency stirring of claim 1, wherein: backing material circulation structure (3) are including auger (31) and circulating pipe (32), circulating pipe (32) are upper end open-ended tubulose, and its blind end will along vertical direction the bobbin base of churn (1) is run through, set up in circulating pipe (32) by reducing gear box (8) driven auger (31).

4. The double-rotor sand mixer with high-efficiency stirring of claim 2, wherein: the lowest end of the stirring shaft (22) is provided with a scraper (24).

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