Silicon wafer sand blasting stirring device

Abstract

The utility model relates to the technical field of stirring devices, and discloses a silicon wafer sand blasting stirring device which is composed of a motor, a first rotating shaft, a fixing rod, a connecting rod, a fixing cylinder, a bearing, a second rotating shaft, a driving wheel, a shaft rod, stirring blades, a handle and a driven wheel. The first rotating shaft is rotationally installed in the stirring tank, the fixing rod is fixedly installed on the surface of the first rotating shaft, and the connecting rod is fixedly installed at the end, away from the first rotating shaft, of the fixing rod. According to the silicon wafer sand blasting stirring device, stirring liquid on the inner wall of the stirring tank can be scraped by a scraping rod through a driving motor, the stirring liquid is prevented from being dried and solidified on the inner wall of the stirring tank to generate impurities, meanwhile, a second rotating shaft can rotate along with a first rotating shaft, certain pressure is applied to a handle through a notch, and a shaft rod can drive stirring blades to rotate; the stirring speed is changed by changing the angle of the stirring blades, so that the stirring is more uniform, and the use is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of stirring devices, in particular to a silicon wafer sandblasting stirring device. Background Art

[0002] As countries around the world pay more attention to green energy, the photovoltaic industry is developing rapidly. High quality and low cost are the key to the development of enterprises. As the country continues to increase its support for renewable energy, production capacity is expanding rapidly. For photovoltaic cells based on silicon wafers, silicon wafers are the most expensive part of crystalline silicon photovoltaic cell technology, so reducing the manufacturing cost of this part is crucial to improving the competitiveness of solar energy over traditional energy.

[0003] The patent with application number 201721269712.9 discloses a stirring device for silicon wafer grinding, including a stirring tank, a rotating motor is fixedly installed above the stirring tank, a rotating shaft is welded on the output shaft of the rotating motor, the bottom end of the rotating shaft extends into the stirring tank, and a plurality of rotating rods are welded at equal intervals on both sides of the rotating shaft, the rotating rod is movably located in the stirring tank, and two stirring blades are symmetrically welded on both sides of the rotating rod, an installation cavity is opened on the rotating shaft, a rack is slidably installed on the inner wall of one side of the installation cavity, a circular hole is opened on one side of the rotating shaft, the circular hole is located above the stirring tank, and the circular hole is connected to the installation cavity.

[0004] The stirring device for silicon wafer grinding can change the stirring rate by changing the angle of the stirring blade, making the stirring more uniform and meeting the user's needs. However, there are still areas that can be improved. For example, the device needs to be stopped to change the angle of the stirring blade, which is inconvenient to use. In addition, long-term use of the device will cause the stirring liquid to dry and solidify on the inner wall of the stirring tank to produce impurities, which requires regular cleaning and cannot meet current needs. Utility Model Content

[0005] The utility model aims to provide a silicon wafer sandblasting stirring device to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a silicon wafer sandblasting stirring device, comprising a movable base, a stirring tank, and a stirring device, wherein the stirring tank is arranged on the top of the movable base, and the stirring device is arranged inside the stirring tank.

[0007] The stirring device is composed of a motor, a first rotating shaft, a fixed rod, a connecting rod, a fixed cylinder, a bearing, a second rotating shaft, a driving wheel, a shaft, a stirring blade, a handle, and a driven wheel. The motor is fixedly installed on the top of the stirring tank, the first rotating shaft is rotatably installed inside the stirring tank, the fixed rod is fixedly installed on the surface of the first rotating shaft, the connecting rod is fixedly installed on the end of the fixed rod away from the first rotating shaft, the fixed cylinder is fixedly installed on the surface of the first rotating shaft, the bearing is fixedly installed inside the first rotating shaft, the second rotating shaft is fixedly installed inside the bearing, the driving wheel is fixedly installed on the surface of the second rotating shaft, the shaft is rotatably installed inside the fixed cylinder, the stirring blade is fixedly installed on the surface of the shaft, the handle is fixedly installed on the bottom of the second rotating shaft, and the driven wheel is fixedly installed on the surface of the shaft.

[0008] Preferably, the output shaft of the motor is fixedly connected to the top of the first rotating shaft, and the first rotating shaft can be rotated by driving the motor.

[0009] Preferably, a scraper rod is provided on the side of the connecting rod, and the scraper rod is in close contact with the inner wall of the stirring tank. This arrangement can scrape the stirring liquid on the inner wall of the stirring tank through the scraper rod to prevent the stirring liquid from drying up on the inner wall of the stirring tank to produce impurities.

[0010] Preferably, the driving wheel and the driven wheel are meshed and rotate relative to the first rotating shaft through the second rotating shaft. Under the action of the driving wheel and the driven wheel, the shaft can drive the stirring blade to rotate, and the stirring rate can be changed by changing the angle of the stirring blade.

[0011] Preferably, the handle is arranged inside the movable base, and a notch is provided on the side of the movable base, and a certain pressure is applied to the handle through the notch, so that the second rotating shaft can rotate relative to the first rotating shaft.

[0012] Preferably, the stirring blades are distributed in a linear array on the surface of the shaft, and the fixed cylinder, shaft and driven wheel are all grouped together and distributed in a linear array on the surface of the first rotating shaft. A plurality of groups of such components are provided to make the stirring more uniform.

[0013] Preferably, two bearings are provided, with the upper and lower positions being arranged on the surface of the second rotating shaft, and bearings are provided at the upper and lower positions to facilitate the rotation of the second rotating shaft.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows: the silicon wafer sandblasting stirring device can drive the motor to enable the scraper rod to scrape the stirring liquid on the inner wall of the stirring tank to prevent the stirring liquid from drying on the inner wall of the stirring tank to produce impurities, and at the same time the second rotating shaft will rotate with the first rotating shaft, and a certain pressure is applied to the handle through the notch, so that the shaft rod can drive the stirring blade to rotate, and the stirring rate can be changed by changing the angle of the stirring blade, so that the stirring can be more uniform and easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the internal structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the first rotating shaft, the fixing rod and the connecting rod of the utility model;

[0018] Figure 4 This is a schematic diagram of the structure of the bearing, the second rotating shaft and the driving wheel of the utility model.

[0019] In the figure: 1. movable base; 2. stirring tank; 3. stirring device; 301. motor; 302. first rotating shaft; 303. fixing rod; 304. connecting rod; 305. fixing cylinder; 306. bearing; 307. second rotating shaft; 308. driving wheel; 309. shaft; 310. stirring blade; 311. handle; 312. driven wheel. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-4 The utility model provides a technical solution: a silicon wafer sandblasting stirring device, comprising a movable base 1, a stirring tank 2, and a stirring device 3, wherein the stirring tank 2 is arranged on the top of the movable base 1, and the stirring device 3 is arranged inside the stirring tank 2.

[0022] The stirring device 3 is composed of a motor 301, a first rotating shaft 302, a fixed rod 303, a connecting rod 304, a fixed cylinder 305, a bearing 306, a second rotating shaft 307, a driving wheel 308, a shaft 309, a stirring blade 310, a handle 311, and a driven wheel 312. The motor 301 is fixedly installed on the top of the stirring tank 2, and the first rotating shaft 302 is rotatably installed inside the stirring tank 2. The output shaft of the motor 301 is fixedly connected to the top of the first rotating shaft 302. The first rotating shaft 302 can be rotated by driving the motor 301. The fixed rod 303 is fixedly installed on the surface of the first rotating shaft 302. The connecting rod 304 is fixedly installed on the end of the fixing rod 303 away from the first rotating shaft 302. A scraper rod is arranged on the side of the connecting rod 304, and the scraper rod is in close contact with the inner wall of the stirring tank 2. The arrangement can scrape the stirring liquid on the inner wall of the stirring tank 2 through the scraper rod to prevent the stirring liquid from drying and solidifying on the inner wall of the stirring tank 2 to produce impurities. The fixing cylinder 305 is fixedly installed on the surface of the first rotating shaft 302, the bearing 306 is fixedly installed inside the first rotating shaft 302, and the second rotating shaft 307 is fixedly installed inside the bearing 306. There are two bearings 306, and the upper and lower positions are arranged on the surface of the second rotating shaft 307. Bearings 306 are arranged at the upper and lower positions to facilitate the rotation of the second rotating shaft 307. The driving wheel 308 is fixedly installed on the surface of the second rotating shaft 307. The shaft 309 is rotatably installed inside the fixed cylinder 305. The stirring blade 310 is fixedly installed on the surface of the shaft 309. The handle 311 is fixedly installed at the bottom of the second rotating shaft 307. The handle 311 is arranged inside the movable base 1. A notch is opened on the side of the movable base 1. A certain pressure is applied to the handle 311 through the notch, so that the second rotating shaft 307 can rotate relative to the first rotating shaft 302. The driven wheel 312 is fixedly installed on the shaft On the surface of the shaft 309, the driving wheel 308 and the driven wheel 312 are meshed, and rotate relative to the first shaft 302 through the second shaft 307. Under the action of the driving wheel 308 and the driven wheel 312, the shaft 309 can drive the stirring blade 310 to rotate, and the stirring rate can be changed by changing the angle of the stirring blade 310. The stirring blade 310 is distributed on the surface of the shaft 309 in a linear array. The fixed cylinder 305, the shaft 309 and the driven wheel 312 are all grouped together and distributed on the surface of the first shaft 302 in a linear array. A plurality of groups of these components are provided to make the stirring more uniform.

[0023] When in use, the driving motor 301 can rotate the first rotating shaft 302, so that the stirring blade 310 can stir the liquid. At the same time, the stirring liquid on the inner wall of the stirring tank 2 can be scraped off by the scraper rod to prevent the stirring liquid from drying on the inner wall of the stirring tank 2 and generating impurities. At the same time, the second rotating shaft 307 will also rotate with the first rotating shaft 302. A certain pressure is applied to the handle 311 through the notch, so that the second rotating shaft 307 can rotate relative to the first rotating shaft 302. Under the action of the driving wheel 308 and the driven wheel 312, the shaft 309 can drive the stirring blade 310 to rotate. By changing the angle of the stirring blade 310 to change the stirring rate, the stirring can be made more uniform.

[0024] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0025] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that many changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention.

Claims

1. A silicon wafer sandblasting stirring device, comprising a movable base (1), a stirring tank (2), and a stirring device (3), characterized in that: The stirring tank (2) is arranged on the top of the movable base (1), and the stirring device (3) is arranged inside the stirring tank (2); The stirring device (3) is composed of a motor (301), a first rotating shaft (302), a fixed rod (303), a connecting rod (304), a fixed cylinder (305), a bearing (306), a second rotating shaft (307), a driving wheel (308), a shaft (309), a stirring blade (310), a handle (311), and a driven wheel (312). The motor (301) is fixedly mounted on the top of the stirring tank (2), the first rotating shaft (302) is rotatably mounted inside the stirring tank (2), the fixed rod (303) is fixedly mounted on the surface of the first rotating shaft (302), and the connecting rod (304) is fixedly mounted on the fixed rod (303) away from the first rotating shaft. One end of the shaft (302), the fixed cylinder (305) is fixedly mounted on the surface of the first rotating shaft (302), the bearing (306) is fixedly mounted inside the first rotating shaft (302), the second rotating shaft (307) is fixedly mounted inside the bearing (306), the driving wheel (308) is fixedly mounted on the surface of the second rotating shaft (307), the shaft (309) is rotatably mounted inside the fixed cylinder (305), the stirring blade (310) is fixedly mounted on the surface of the shaft (309), the handle (311) is fixedly mounted on the bottom of the second rotating shaft (307), and the driven wheel (312) is fixedly mounted on the surface of the shaft (309).

2. A silicon wafer sandblasting stirring device according to claim 1, characterized in that: The output shaft of the motor (301) is fixedly connected to the top of the first rotating shaft (302).

3. A silicon wafer sandblasting stirring device according to claim 1, characterized in that: A scraper rod is provided on the side of the connecting rod (304), and the scraper rod is in close contact with the inner wall of the stirring tank (2).

4. The silicon wafer sandblasting stirring device according to claim 1, characterized in that: The driving wheel (308) and the driven wheel (312) are meshed.

5. The silicon wafer sandblasting stirring device according to claim 1, characterized in that: The handle (311) is arranged inside the movable base (1), and a notch is provided on the side of the movable base (1).

6. The silicon wafer sandblasting stirring device according to claim 1, characterized in that: The stirring blades (310) are distributed in a linear array on the surface of the shaft (309), and the fixed cylinder (305), the shaft (309) and the driven wheel (312) are all grouped together and distributed in a linear array on the surface of the first rotating shaft (302).

7. The silicon wafer sandblasting stirring device according to claim 1, characterized in that: The bearings (306) are provided in two numbers, and are arranged at upper and lower positions on the surface of the second rotating shaft (307).

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