Grinding device for photovoltaic sand processing

Abstract

The utility model relates to the technical field of polishing, and discloses a photovoltaic sand processing grinding device which comprises a machine shell, a first feeding hopper is fixedly connected to the middle of the top end of the machine shell, a second discharging opening is formed in the lower middle portion of the front side of the machine shell, and a first supporting plate is fixedly connected to the upper middle portion of the machine shell. A first grinding mechanism is arranged at the top of the first supporting plate, guide plates are arranged on the left side and the right side of the interior of the machine shell, the guide plates are located on the bottom side of the first grinding mechanism, scrapers are arranged on the tops of the two guide plates, and the outer sides of the scrapers on the same side are connected with the guide plates through two spring assemblies. According to the photovoltaic sand grinding device, photovoltaic sand subjected to rough grinding through the first grinding mechanism is fed into the second grinding mechanism through the guide plate and the second feeding hopper to be subjected to fine grinding, dust attached to the cylindrical grinder can be shoveled down in the grinding process of the first grinding mechanism, and a scraper is detachable.

Description

Technical Field

[0001] The utility model relates to the technical field of grinding, in particular to a grinding device for photovoltaic sand processing. Background Art

[0002] Photovoltaic sand is white particles made by grinding silica. It is mainly used to manufacture photovoltaic glass for automobiles and large venues. It is also one of the raw materials for manufacturing chips.

[0003] However, most photovoltaic sand grinding devices on the market today produce finished products with uneven particle sizes after grinding, and a large amount of dust is generated during the photovoltaic sand grinding process. The dust is adsorbed on the grinder, which is inconvenient to clean and affects the service life of the grinder. Utility Model Content

[0004] In order to make up for the above shortcomings, the utility model provides a grinding device for photovoltaic sand processing, which is aimed at improving the problems of uneven size of photovoltaic sand after grinding and dust adsorbed on the grinder.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A grinding device for photovoltaic sand processing comprises a casing, a first feed hopper is fixedly connected to the middle part of the top end of the casing, a second discharge port is opened at the middle and lower part of the front side of the casing, a first support plate is fixedly connected to the middle and upper part of the casing, a first grinding mechanism is arranged on the top of the first support plate, guide plates are arranged on the left and right sides of the interior of the casing, the guide plates are located on the bottom side of the first grinding mechanism, scrapers are arranged on the tops of the two guide plates, the outer sides of the scrapers on the same side are connected to the guide plates through two spring assemblies, a second feed hopper is arranged on the bottom sides of the two guide plates, a second grinding mechanism is arranged at the bottom inside the casing, the outlet of the second feed hopper is connected to the inlet of the second grinding mechanism, a first discharge port is opened at the bottom end of one side of the second grinding mechanism, a discharge trough is arranged at the bottom of the first discharge port, and one end of the discharge trough passes through the first discharge port and the second discharge port in sequence.

[0007] Through the above technical solution, photovoltaic sand enters the casing through the first feed hopper, passes through the first grinding mechanism and enters the second feed hopper along the guide plate, and then falls from the second feed hopper into the second grinding mechanism for fine grinding, and the ground photovoltaic sand goes out from the discharge trough.

[0008] Furthermore, the spring assembly includes a spring 1, both ends of the spring 1 are fixedly connected to fixed blocks, and screws are provided at the four corners of the fixed block.

[0009] Through the above technical solution, the two ends of the spring are fixed to the scraper and the guide plate respectively by screws and fixing blocks, and it is convenient to disassemble.

[0010] Furthermore, the second grinding mechanism includes an outer shell, a support block is fixedly connected to the middle of the top of the outer shell, a conical grinder is arranged inside the outer shell, the conical grinder and the support block are rotatably connected, the bottom of the conical grinder is fixedly connected to a second rotating shaft, the bottom of the second rotating shaft is rotatably connected to the output end of the second motor, and the bottom end of the second motor is fixed to the inner bottom side of the casing.

[0011] Through the above technical solution, the conical grinder rotates under the drive of the second motor, so that the conical grinder finely grinds the photovoltaic sand entering the second grinding mechanism.

[0012] Furthermore, the first grinding mechanism includes two rotating shafts 1, both of which penetrate the front middle and upper part of the casing and are rotatably connected to the rear side of the casing, and both rotating shafts 1 are provided with cylindrical grinders, and the front ends of the two rotating shafts 1 are fixedly connected with gears, and the two gears are meshed and attached to the front middle and upper part of the casing, and the front end of the rotating shaft 1 on the right side is fixedly connected with a first motor, and the first motor is fixedly connected to the top end of the first support plate.

[0013] Through the above technical solution, the first motor drives the right shaft 1 to rotate, drives the cylindrical grinder of the gear on the right shaft 1 to rotate, and drives the gear and cylindrical grinder on the left side to rotate, thereby achieving coarse grinding of photovoltaic sand.

[0014] Furthermore, the cylindrical grinder fits the inner wall of the casing.

[0015] Through the above technical solution, the photovoltaic sand cannot fall on the right side of the scraper.

[0016] Furthermore, a second support plate is fixedly connected to the inner bottom side of the casing at a distance, and the outer shell is fixed on the second support plate.

[0017] Through the above technical solution, the second support plate plays a supporting role.

[0018] Furthermore, the distance between the periphery of the conical grinder and the interior of the housing gradually decreases from the top to the middle.

[0019] Through the above technical solution, larger photovoltaic sand is ground step by step to meet the specifications.

[0020] Furthermore, the blade of the scraper fits the cylindrical grinder.

[0021] Through the above technical solution, dust on the cylindrical grinder can be easily scraped off, thereby extending the service life of the cylindrical grinder.

[0022] The utility model has the following beneficial effects:

[0023] 1. In the utility model, the second grinder is driven by the second motor to rotate, so that the photovoltaic sand is finely ground for the second time. Because the gap between the second grinder and the outer shell becomes smaller from top to middle, the photovoltaic sand with a larger volume can be fully ground and meet the specifications.

[0024] 2. In the utility model, the handle of the scraper is fixed on the guide plate by a torsion spring, and the blade of the scraper fits with the grinder, so that the dust adsorbed on the grinder can be scraped off conveniently, thereby extending the service life of the grinder, and the scraper can be replaced by removing the screws. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is an overall structural diagram of a grinding device for photovoltaic sand processing proposed by the utility model;

[0026] Figure 2 This is an internal structure diagram of a grinding device for photovoltaic sand processing proposed by the utility model;

[0027] Figure 3 This is a structural diagram of a spring assembly of a grinding device for photovoltaic sand processing proposed by the utility model;

[0028] Figure 4 This is a cross-sectional view of a second grinder of a grinding device for photovoltaic sand processing proposed by the utility model.

[0029] Legend:

[0030] 1. Casing; 2. First feed hopper; 3. Discharge chute; 4. First support plate; 5. First grinding mechanism; 501. First motor; 502. Gear; 503. Cylindrical grinder; 504. Rotating shaft one; 6. Second feed hopper; 7. Second grinding mechanism; 701. Casing; 702. Second motor; 703. Conical grinder; 704. Rotating shaft two; 705. Support block; 706. First discharge port; 8. Spring assembly; 801. Spring one; 802. Screw; 803. Fixing block; 9. Second support plate; 10. Second discharge port; 11. Scraper; 12. Guide plate. DETAILED DESCRIPTION

[0031] 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.

[0032] Reference Figure 1-2The utility model provides an embodiment: a grinding device for photovoltaic sand processing, comprising a casing 1, a first feed hopper 2 is fixedly connected to the middle of the top of the casing 1, a second discharge port 10 is opened in the middle and lower part of the front side of the casing 1, a first support plate 4 is fixedly connected to the middle and upper part of the casing 1, a first grinding mechanism 5 is arranged on the top of the first support plate 4, guide plates 12 are arranged on the left and right sides of the inside of the casing 1, the guide plates 12 are located on the bottom side of the first grinding mechanism 5, scrapers 11 are arranged on the top of the two guide plates 12, the outer sides of the scrapers 11 on the same side are connected to the guide plates 12 by two spring assemblies 8, and the bottom sides of the two guide plates 12 are arranged with the first Two feed hoppers 6 and a second grinding mechanism 7 are arranged at the inner bottom of the casing 1, the outlet of the second feed hopper 6 is connected to the inlet of the second grinding mechanism 7, a first discharge port 706 is opened at the bottom end of one side of the second grinding mechanism 7, a discharge trough 3 is arranged at the bottom of the first discharge port 706, one end of the discharge trough 3 passes through the first discharge port 706 and the second discharge port 10 in sequence, the photovoltaic sand enters the casing 1 through the first feed hopper 2, the photovoltaic sand passing through the first grinding mechanism 5 enters the second feed hopper 6 along the guide plate 12, and then falls from the second feed hopper 6 into the second grinding mechanism 7 for fine grinding, and the ground photovoltaic sand goes out from the discharge trough 3.

[0033] The first grinding mechanism 5 includes two rotating shafts 504, and the two rotating shafts 504 both penetrate the front middle and upper part of the casing 1 and are rotatably connected to the rear side of the casing 1. A cylindrical grinder 503 is arranged on the two rotating shafts 504. The front ends of the two rotating shafts 504 are fixedly connected with gears 502. The two gears 502 are meshed and connected and fit against the front middle and upper part of the casing 1. The front end of the right rotating shaft 504 is fixedly connected with a first motor 501. The first motor 501 drives the right rotating shaft 504 to rotate, drives the cylindrical grinder 503 of the gear 502 on the right rotating shaft 504 to rotate, and drives the gear 502 and the cylindrical grinder 503 on the left to rotate. The first motor 501 is fixedly connected to the top of the first supporting plate 4 to support the first motor 501.

[0034] Reference Figure 3 The spring assembly 8 includes a spring 801, both ends of which are fixedly connected to a fixing block 803, and screws 802 are provided at the four corners of the fixing block 803. The two ends of the spring are respectively fixed to the scraper 11 and the guide plate 12 by the screws 802 and the fixing block 803, and are convenient for disassembly.

[0035] Reference Figure 4The second grinding mechanism 7 includes a shell 701, a support block 705 is fixedly connected to the middle of the top of the shell 701, a conical grinder 703 is arranged inside the shell 701, the conical grinder 703 and the support block 705 are rotatably connected, the bottom of the conical grinder 703 is fixedly connected to a second rotating shaft 704, the bottom of the second rotating shaft 704 is rotatably connected to the output end of the second motor 702, the conical grinder 703 rotates under the drive of the second motor 702, so that the conical grinder 703 will finely grind the photovoltaic sand entering the second grinding mechanism 7, and the bottom end of the second motor 702 is fixed to the inner bottom side of the casing 1.

[0036] The cylindrical grinder 503 fits the inner wall of the casing 1 so that the photovoltaic sand cannot fall on the right side of the scraper 11. A second support plate 9 is fixedly connected to the inner bottom side of the casing 1 at a distance, and the outer casing 701 is fixed on the second support plate 9. The second support plate 9 serves to support the outer casing 701.

[0037] The distance between the periphery of the conical grinder 703 and the inside of the shell 701 gradually decreases from top to middle, and the larger photovoltaic sand is ground step by step to meet the specifications. The blade of the scraper 11 fits the cylindrical grinder 503, which facilitates scraping off the dust on the cylindrical grinder 503 and prolongs the service life of the cylindrical grinder 503.

[0038] Working principle: Photovoltaic sand enters the casing 1 through the first feed hopper 2, and the photovoltaic sand passes through the first grinding mechanism 5 and enters the second feed hopper 6 along the guide plate 12, and then falls from the second feed hopper 6 into the second grinding mechanism 7 for fine grinding. The ground photovoltaic sand goes out from the discharge trough 3. During the rotation of the first grinding mechanism 5, the scraper 11 can scrape off the dust attached to the cylindrical grinder 503, and the scraper 11 can be replaced by removing the screw 802.

[0039] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A grinding device for photovoltaic sand processing, comprising a housing (1), characterized in that: A first feed hopper (2) is fixedly connected to the middle of the top of the casing (1), a second discharge port (10) is provided in the middle and lower part of the front side of the casing (1), a first support plate (4) is fixedly connected to the middle and upper part of the casing (1), a first grinding mechanism (5) is arranged on the top of the first support plate (4), guide plates (12) are arranged on both the left and right sides of the interior of the casing (1), the guide plates (12) are located on the bottom side of the first grinding mechanism (5), scrapers (11) are arranged on the top of the two guide plates (12), and the outer side of the scraper (11) and the guide plate (12) on the same side are provided. The plates (12) are connected via two spring assemblies (8); a second feed hopper (6) is provided on the bottom side of the two guide plates (12); a second grinding mechanism (7) is provided on the inner bottom of the housing (1); an outlet of the second feed hopper (6) is connected to an inlet of the second grinding mechanism (7); a first discharge port (706) is provided at the bottom end of one side of the second grinding mechanism (7); a discharge trough (3) is provided at the bottom of the first discharge port (706); one end of the discharge trough (3) passes through the first discharge port (706) and the second discharge port (10) in sequence.

2. A photovoltaic sand processing grinding device according to claim 1, characterized in that: The spring assembly (8) comprises a spring 1 (801), both ends of the spring 1 (801) are fixedly connected to a fixing block (803), and screws (802) are arranged at the four corners of the fixing block (803).

3. A photovoltaic sand processing grinding device according to claim 1, characterized in that: The second grinding mechanism (7) comprises a shell (701), a support block (705) is fixedly connected to the middle of the top end of the shell (701), a conical grinder (703) is arranged inside the shell (701), the conical grinder (703) and the support block (705) are rotatably connected, a second rotating shaft (704) is fixedly connected to the bottom of the conical grinder (703), the bottom of the second rotating shaft (704) is rotatably connected to the output end of the second motor (702), and the bottom end of the second motor (702) is fixed to the bottom side of the inner part of the casing (1).

4. A photovoltaic sand processing grinding device according to claim 1, characterized in that: The first grinding mechanism (5) comprises two rotating shafts (504), both of which penetrate the upper middle part of the front side of the housing (1) and are rotatably connected to the rear side of the housing (1), and both of which are provided with cylindrical grinders (503), and the front ends of the two rotating shafts (504) are fixedly connected with gears (502), and the two gears (502) are meshingly connected and fit on the upper middle part of the front end of the housing (1), and the front end of the right rotating shaft (504) is fixedly connected with a first motor (501), and the first motor (501) is fixedly connected to the top end of the first support plate (4).

5. A photovoltaic sand processing grinding device according to claim 4, characterized in that: The cylindrical grinder (503) is fitted onto the inner wall of the casing (1).

6. A photovoltaic sand processing grinding device according to claim 3, characterized in that: A second support plate (9) is fixedly connected at a distance to the inner bottom side of the casing (1), and the outer shell (701) is fixedly connected to the second support plate (9).

7. A photovoltaic sand processing grinding device according to claim 3, characterized in that: The distance between the periphery of the conical grinder (703) and the interior of the housing (701) gradually decreases from top to middle.

8. A photovoltaic sand processing grinding device according to claim 1, characterized in that: The blade of the scraper (11) fits the cylindrical grinder (503).

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