Efficient rotor sand mixer facilitating rapid stirring

Abstract

The utility model relates to the technical field of sand treatment equipment, and discloses an efficient rotor sand mixer convenient for rapid stirring, which comprises a sand mixing tank, a driving motor, a gearbox, a main shaft rotor, a main stirring blade, a bottom stirring scraper, a support cross arm, a reverse motor, a driving plate, a reverse stirring blade and an inner wall scraper, the driving motor and the gearbox are both located at the bottom of the sand mixing tank. According to the sand mixing and stirring device, the driving motor and the gearbox are operated to drive the main stirring blade to mix and stir sand, meanwhile, the sand at the bottom of the tank body is stirred and cleaned, adhesion of the sand is prevented, and the reverse motor is operated to drive the reverse stirring blade and the inner wall scraping plate to quickly and reversely mix and stir the sand in the tank body. The inner wall scraping plate has the stirring and scraping effects on sand adhered to the inner wall of the sand mixing tank, the mixing quality is high, the device can uniformly and rapidly mix and stir the sand, the sand remaining on the inner wall can be cleaned and scraped, and the sand mixing efficiency and quality are high.

Description

Technical Field

[0001] The utility model relates to the technical field of sand treatment equipment, in particular to an efficient rotor sand mixer which is convenient for rapid stirring. Background Technique

[0002] The efficient rotor sand mixer is a common sand mixing equipment for the clay sand casting process. The efficient rotor sand mixer adopts a hard tooth surface gear reducer or a cycloid pinwheel reducer, which can achieve a higher transmission efficiency and improve the output spindle speed. The efficient rotor sand mixer can meet the requirements of a large amount of clay sand casting sand in the foundry workshop and is the main equipment for clay sand casting treatment in the foundry workshop.

[0003] The sand mixer is a device that evenly mixes each component in the molding sand and effectively coats the binder on the surface of the sand grains; whether the raw sand and the additive are evenly mixed will directly affect the product quality of the coated sand. Commonly used sand mixers are often difficult to thoroughly mix the raw sand and the additive during operation, resulting in uneven mixing of the raw sand and the additive; and during the sand mixing process, due to the certain viscosity of the raw materials, they are easily adhered to the inner wall of the tank, and the cleaning and scraping effect of the inner wall is relatively general, further affecting the sand mixing uniformity. The sand mixing process takes a long time and has low work efficiency. For this reason, we propose an efficient rotor sand mixer that is convenient for rapid stirring to solve the above problems. Summary of the Utility Model

[0004] (1) Technical Problems to be Solved

[0005] In view of the deficiencies of the prior art, the utility model provides an efficient rotor sand mixer that is convenient for rapid stirring, which has the advantages of uniformly and rapidly mixing and stirring sand materials, having a cleaning and scraping effect on the sand materials remaining on the inner wall, and having higher sand mixing efficiency and quality, and solves the problems that the existing sand mixer has low sand mixing uniformity and efficiency, and the sand materials are relatively viscous and easily adhere to the inner wall of the tank, affecting the sand discharging efficiency and quality.

[0006] (2) Technical Solutions

[0007] To achieve the purpose of uniformly and rapidly mixing and stirring sand materials, having a cleaning and scraping effect on the sand materials remaining on the inner wall, and having higher sand mixing efficiency and quality, the utility model provides the following technical solutions: an efficient rotor sand mixer that is convenient for rapid stirring, including a sand mixing tank, a driving motor, a gearbox, a main shaft rotor, a main stirring blade, a bottom stirring scraper, a support crossbar, a reverse motor, a driving plate, a reverse stirring blade, and an inner wall scraper;

[0008] The driving motor and the gearbox are both located at the bottom of the sand mixing tank. The gearbox is located between the sand mixing tank and the driving motor. The main shaft rotor is rotatably connected to the inside of the sand mixing tank. The output end of the gearbox is connected to the bottom end of the main shaft rotor. The main stirring blades and the bottom stirring scraper are both located on the main shaft rotor. The bottom of the bottom stirring scraper contacts the inner bottom wall of the sand mixing tank.

[0009] The supporting crossbar is located at the top inside the sand mixing tank. The reverse motor is located in the middle of the supporting crossbar. The output end of the reverse motor is connected to the top of the driving plate. The reverse stirring blades and the inner wall scrapers are both located at the bottom of the driving plate. The opposite sides of the two inner wall scrapers contact the inner wall of the sand mixing tank.

[0010] Preferably, a sand discharge pipe is provided at the bottom of the sand mixing tank, and a sand discharge plug is inserted into the sand discharge pipe.

[0011] Preferably, the bottom stirring scraper is triangular, and the bottom of the bottom stirring scraper matches the inner wall of the sand mixing tank.

[0012] Preferably, the main stirring blade includes a U-shaped driving scraper and a driving scraper. The U-shaped driving scraper is arranged at the top of the main shaft rotor, and the driving scrapers are evenly arranged on both sides of the U-shaped driving scraper.

[0013] Preferably, a support frame is provided at the bottom of the supporting crossbar. The reverse motor is arranged inside the support frame, and the top of the driving plate is rotatably connected to the bottom of the support frame.

[0014] Preferably, a dust-proof cover plate is provided at the top of the sand mixing tank, and the supporting crossbar and the reverse motor are both located inside the dust-proof cover plate.

[0015] Preferably, the driving motor and the reverse motor rotate in opposite directions, and the top view of the sand mixing tank is circular.

[0016] Preferably, a control switch is provided on the outside of the sand mixing tank, and the driving motor and the reverse motor are both electrically connected to the control switch.

[0017] (III) Beneficial effects

[0018] Compared with the prior art, the present utility model provides an efficient rotor sand mixer that is convenient for rapid stirring, and has the following beneficial effects:

[0019] 1. For this efficient rotor sand mixer that is convenient for rapid stirring, by providing a driving motor and a gearbox at the bottom of the sand mixing tank, the main shaft rotor can be stably driven to rotate at a high speed, and then the main stirring blades and the bottom stirring scraper are driven to mix and stir the sand material. The bottom stirring scraper can stir and clean the sand material at the bottom of the tank body, prevent the sand material from sticking, enable the device to quickly stir the sand material in the tank body, and there is no easy residue at the bottom.

[0020] 2. The efficient rotor sand mixer that facilitates rapid stirring has a support crossbar provided on the top wall inside the sand mixing tank, which supports the reverse motor and the drive plate. Operating the reverse motor can drive the drive plate, enabling the drive plate to drive the reverse stirring blades and the inner wall scraper. The reverse stirring blades and the main stirring blades rotate in opposite directions to quickly mix and stir the sand material in the tank, with a relatively high mixing quality. At the same time, the inner wall scraper stirs and scrapes the sand material adhering to the inner wall of the sand mixing tank, making it difficult for the inner wall of the tank to adhere to and retain sand material blocks, enabling the device to uniformly and rapidly mix and stir the sand material, and having a cleaning and scraping effect on the residual sand material on the inner wall, with relatively high sand mixing efficiency and quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 is a schematic structural diagram of the present utility model;

[0022] Figure 2 is a front sectional view schematic diagram of the structure of the present utility model;

[0023] Figure 3 is a front view schematic diagram of the connection structure between the main shaft rotor and the main stirring blade of the present utility model;

[0024] Figure 4 is a front view schematic diagram of the connection structure between the sand discharge pipe and the sand discharge plug of the present utility model;

[0025] Figure 5 is a front view schematic diagram of the connection structure between the drive plate and the reverse stirring blade of the present utility model;

[0026] Figure 6 is a front view schematic diagram of the connection structure between the support crossbar and the support frame of the present utility model;

[0027] Figure 7 is a front sectional view schematic diagram of the structure of the present utility model.

[0028] In the figure: 1. Sand mixing tank; 2. Driving motor; 3. Gearbox; 4. Main shaft rotor; 5. Main stirring blade; 501. U-shaped driving scraper; 502. Driving scraper; 6. Bottom stirring scraper; 7. Support crossbar; 8. Reverse motor; 9. Drive plate; 10. Reverse stirring blade; 11. Inner wall scraper; 12. Sand discharge pipe; 13. Sand discharge plug; 14. Support frame; 15. Dust-proof cover plate; 16. Control switch. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0029] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0030] Please refer to Figures 1-7

[0031]

[0031] The driving motor 2 and the gearbox 3 are both located at the bottom of the sand mixing tank 1. The gearbox 3 is located between the sand mixing tank 1 and the driving motor 2. The main shaft rotor 4 is rotatably connected to the inside of the sand mixing tank 1. The output end of the gearbox 3 is connected to the bottom end of the main shaft rotor 4. The main stirring blade 5 and the bottom stirring scraper 6 are both located on the main shaft rotor 4. The bottom of the bottom stirring scraper 6 is in contact with the inner bottom wall of the sand mixing tank 1;

[0032] The supporting crossbar 7 is located at the top inside the sand mixing tank 1. The reverse motor 8 is located in the middle of the supporting crossbar 7. The output end of the reverse motor 8 is connected to the top of the driving plate 9. The reverse stirring blade 10 and the inner wall scraper 11 are both located at the bottom of the driving plate 9. The back sides of the two inner wall scrapers 11 are in contact with the inner wall of the sand mixing tank 1;

[0033] The beneficial effects expressed by this solution: By operating the driving motor 2 and the gearbox 3, the main shaft rotor 4 can be stably driven to rotate at a high speed. The main stirring blade 5 mixes and stirs the sand material. The bottom stirring scraper 6 can stir and clean the sand material at the bottom of the tank body to prevent the sand material from adhering. Operating the reverse motor 8 can drive the driving plate 9, and at the same time drive the reverse stirring blade 10 and the inner wall scraper 11 to quickly reversely mix and stir the sand material in the tank. The inner wall scraper 11 has an effect of stirring and scraping the sand material adhered to the inner wall of the sand mixing tank 1. The mixing quality is relatively high, enabling the device to uniformly and quickly mix and stir the sand material, and having a cleaning and scraping effect on the residual sand material on the inner wall. The sand mixing efficiency and quality are relatively high.

[0034] Furthermore, a sand discharge pipe 12 is provided at the bottom of the sand mixing tank 1, and a sand outlet plug 13 is inserted into the sand discharge pipe 12;

[0035] By setting the sand discharge pipe 12 and the sand outlet plug 13, the sand discharge operation can be stably carried out. The sand outlet plug 13 can be commonly inserted and pulled out to control the sand discharge amount. The structure is simple and the sand discharge is stable.

[0036] Furthermore, the bottom stirring scraper 6 is triangular, and the bottom of the bottom stirring scraper 6 is matched with the inner wall of the sand mixing tank 1;

[0037] By setting the bottom stirring scraper 6 to be triangular, it can have a good scraping effect on the residual sand material blocks on the inner bottom wall of the sand mixing tank 1. The scraping is stable and not easy to damage the device, increasing the stability of the device.

[0038] Further, the main stirring blade 5 includes a U-shaped driving scraper 501 and a driving scraper 502. The U-shaped driving scraper 501 is arranged at the top of the main shaft rotor 4, and the driving scraper 502 is evenly arranged on both sides of the U-shaped driving scraper 501;

[0039] By setting the main stirring blade 5 to include a U-shaped driving scraper 501 and a driving scraper 502, the main shaft rotor 4 can drive the U-shaped driving scraper 501 and the driving scraper 502 to stably mix and stir the sand material, with a relatively high mixing uniformity and a good overall mixing efficiency.

[0040] Further, a support frame 14 is provided at the bottom of the support crossbar 7, the reverse motor 8 is arranged inside the support frame 14, and the top of the driving plate 9 is rotatably connected to the bottom of the support frame 14;

[0041] By setting the support frame 14, it can support the reverse motor 8 and can also play a certain role in supporting and suspending the driving plate 9, making the driving plate 9 rotate stably and not prone to deviation.

[0042] Further, a dust-proof cover plate 15 is provided at the top of the sand mixing tank 1, and both the support crossbar 7 and the reverse motor 8 are located inside the dust-proof cover plate 15;

[0043] By setting the dust-proof cover plate 15, it can play a dust-proof and protective role for the overall tank body. When the sand material is being mixed, the dust and smoke are not likely to diffuse, having a certain dust-proof effect.

[0044] Further, the driving motor 2 and the reverse motor 8 rotate in opposite directions, and the top view of the sand mixing tank 1 is circular;

[0045] By setting the driving motor 2 and the reverse motor 8 to rotate in opposite directions and the tank body to be circular, the mixing uniformity and mixing efficiency are increased, and the practicability is good.

[0046] Further, a control switch 16 is provided on the outside of the sand mixing tank 1, and both the driving motor 2 and the reverse motor 8 are electrically connected to the control switch 16;

[0047] By setting the control switch 16, it can play a switching and control effect on both the driving motor 2 and the reverse motor 8, increasing the practicability of the device.

[0048] It should be noted that each device in this application is a common device in the market, which can be selected according to needs during specific use. And the circuit connection relationships of each device all belong to simple series and parallel connection circuits. There is no innovation point in the circuit connection aspect, and those skilled in the art can easily implement it, which belongs to the prior art and will not be elaborated here.

[0049] Working principle: By providing a driving motor 2 and a gearbox 3 at the bottom of the sand mixing tank 1, the main shaft rotor 4 can be stably driven to rotate at a high speed, and then the main stirring blades 5 and the bottom stirring scraper 6 are driven to mix and stir the sand material. The bottom stirring scraper 6 can stir and clean the sand material at the bottom of the tank body to prevent the sand material from sticking. A support crossbar 7 is provided on the inner top wall of the sand mixing tank 1 to support the reverse motor 8 and the driving plate 9. Operating the reverse motor 8 can drive the driving plate 9, so that the driving plate 9 can drive the reverse stirring blades 10 and the inner wall scraper 11. The reverse stirring blades 10 and the main stirring blades 5 rotate in opposite directions to quickly mix and stir the sand material in the tank body, with a relatively high mixing quality. At the same time, the inner wall scraper 11 has an effect of stirring and scraping the sand material adhered to the inner wall of the sand mixing tank 1, making it not easy for the inner wall of the tank body to adhere to residual sand material blocks, enabling the device to uniformly and quickly mix and stir the sand material, and having a cleaning and scraping effect on the residual sand material on the inner wall, with a relatively high sand mixing efficiency and quality, solving the problems of low sand mixing uniformity and efficiency of the existing sand mixer, and the sand material being relatively viscous and easily adhering to the inner wall of the tank body, affecting the sand discharging efficiency and quality.

[0050] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "including a..." does not exclude the existence of additional identical elements in the process, method, article or device including the said element.

[0051] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. High-efficiency rotor sand mixer for quick mixing, characterized by: It comprises a sand mixing tank (1), a driving motor (2), a gearbox (3), a main shaft rotor (4), a main stirring blade (5), a bottom stirring scraper (6), a supporting cross arm (7), a reverse motor (8), a driving plate (9), a reverse stirring blade (10) and an inner wall scraper (11); The driving motor (2) and the gearbox (3) are both located at the bottom of the sand mixing tank (1), the gearbox (3) is located between the sand mixing tank (1) and the driving motor (2), the main shaft rotor (4) is rotatably connected to the inside of the sand mixing tank (1), the output end of the gearbox (3) is connected to the bottom end of the main shaft rotor (4), the main stirring blade (5) and the bottom stirring scraper (6) are both located on the main shaft rotor (4), and the bottom of the bottom stirring scraper (6) is in contact with the inner bottom wall of the sand mixing tank (1); The supporting cross arm (7) is located at the top of the inner side of the sand mixing tank (1), the reversing motor (8) is located at the middle of the supporting cross arm (7), the output end of the reversing motor (8) is connected to the top of the driving plate (9), the reversing stirring blade (10) and the inner wall scraper (11) are both located at the bottom of the driving plate (9), and the opposite sides of the two inner wall scrapers (11) are in contact with the inner wall of the sand mixing tank (1).

2. The high-efficiency rotor sand mixer for rapid mixing according to claim 1, characterized in that: A sand discharge pipe (12) is provided at the bottom of the sand mixing tank (1), and a sand discharge plug plate (13) is plugged into the sand discharge pipe (12).

3. The high-efficiency rotor sand mixer for rapid mixing according to claim 1, characterized in that: The bottom stirring scraper (6) is triangular in shape, and the bottom of the bottom stirring scraper (6) matches the inner wall of the sand mixing tank (1).

4. The high-efficiency rotor sand mixer for rapid mixing according to claim 1, characterized in that: The main stirring blade (5) comprises a U-shaped driving scraper (501) and a driving scraper (502), wherein the U-shaped driving scraper (501) is arranged on the top of the main shaft rotor (4), and the driving scraper (502) is evenly arranged on both sides of the U-shaped driving scraper (501).

5. The high-efficiency rotor sand mixer for rapid mixing according to claim 1, characterized in that: A support frame (14) is provided at the bottom of the supporting cross arm (7), the reverse motor (8) is arranged inside the support frame (14), and the top of the driving plate (9) is rotatably connected to the bottom of the support frame (14).

6. The high-efficiency rotor sand mixer for rapid mixing according to claim 1, characterized in that: A dustproof cover plate (15) is provided on the top of the sand mixing tank (1), and the supporting cross arm (7) and the reverse motor (8) are both located on the inner side of the dustproof cover plate (15).

7. The high-efficiency rotor sand mixer for rapid mixing according to claim 1, characterized in that: The driving motor (2) and the reverse motor (8) rotate in opposite directions, and the sand mixing tank (1) is circular in top view.

8. The high-efficiency rotor sand mixer for rapid mixing according to claim 1, characterized in that: A control switch (16) is provided on the outer side of the sand mixing tank (1), and the driving motor (2) and the reverse motor (8) are both electrically connected to the control switch (16).

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