Superfine silicon carbide crushing device

Abstract

The utility model discloses a superfine silicon carbide crushing device, which relates to the technical field of crushing devices and comprises a crushing box, and a mounting plate is fixedly mounted on the inner wall of the crushing box. A protection box is fixedly mounted on the mounting plate; the bottom end of the protection box is open; a grinding assembly is arranged in the protection box, and an inclined plate is rotationally arranged on the bottom side of the inner wall of the smashing box. Air outlet holes are uniformly formed in the inclined plate; a mounting cover is fixedly mounted at the position, corresponding to the air outlet holes, of the lower surface of the inclined plate; an air blower is fixedly mounted at the right bottom end of the crushing box; the output end of the air blower is fixedly connected with a hose; a Z-shaped shifting rod shifts an inclined plate when making contact with the inclined plate, the sliding speed of ground silicon carbide particles on the inclined plate is reduced, meanwhile, the ground silicon carbide particles and silicon carbide powder can be better and rapidly separated through continuous swinging of the inclined plate, the silicon carbide powder can be conveniently blown out of a powder discharging groove, and the collecting efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of crushing devices, and particularly relates to an ultrafine silicon carbide crushing device. Background Art

[0002] Silicon carbide fine powder refers to micron-sized silicon carbide powder obtained by ultrafine crushing and classification using JZFZ equipment. Silicon carbide fine powder is mainly used in the abrasive industry, so there are special requirements for the classification of fine powder, and no large particles can appear in the fine powder.

[0003] A grinding device for preparing high-purity ultrafine silicon carbide powder disclosed in Chinese Patent CN220027220U includes a grinding barrel, a grinding chamber arranged inside the grinding barrel, and a grinding assembly for grinding silicon carbide particles. The grinding assembly includes a grinding groove, a grinding ring, a conical grinding disc, a driving shaft and a motor. The grinding groove is fixedly installed on the side wall of the grinding chamber, the motor is fixedly installed at the top of the grinding groove, a rotating hole is opened at the top of the grinding groove, the driving shaft rotates through the rotating hole and is connected to the output end of the motor, the bottom end of the driving shaft is connected to the conical grinding disc, the grinding ring is fixedly installed in the grinding groove, and a feeding pipe is communicated with the grinding groove; it can grind silicon carbide particles with larger particle sizes, and thus can efficiently crush and process, reducing the accumulation of materials in the equipment.

[0004] The above device has the following problems when in use: when the above device is grinding, the powder scatters on the inclined plate, and the inclination angle of the inclined plate is relatively large, resulting in the powder body sliding down on the inclined plate, which easily causes some silicon carbide powder that meets the grinding requirements to slide into the collection tank along with the silicon carbide particles, thereby reducing the collection efficiency of the silicon carbide powder body.

[0005] To solve the above problems, the utility model provides an ultrafine silicon carbide crushing device. Summary of the Utility Model

[0006] To achieve the above object, the utility model provides the following technical solution: an ultrafine silicon carbide crushing device, including a crushing box, and a mounting plate fixedly installed on the inner wall of the crushing box; a protective box is fixedly installed on the mounting plate; the protective box is provided with an open bottom end; a grinding assembly is arranged inside the protective box;

[0007] The bottom side of the inner wall of the crushing box is rotatably provided with an inclined plate; air outlet holes are evenly opened on the inclined plate; mounting covers are fixedly installed on the lower surface of the inclined plate corresponding to the positions of a plurality of air outlet holes; a blower is fixedly installed at the right bottom end of the crushing box; a hose is fixedly connected to the output end of the blower; one end of the hose far away from the blower is fixedly connected to the mounting cover; a motor is fixedly installed on the upper end surface of the protective box; a rotating shaft is fixedly installed on the output shaft of the motor; a Z-shaped shifting rod is fixedly arranged on the rotating shaft; the Z-shaped shifting rod cooperates with the upper end surface of the inclined plate.

[0008] Preferably, a powder discharge groove is communicated with the left side of the upper end surface of the crushing box; a discharge groove is fixedly installed on the inner bottom surface of the crushing box corresponding to the left side position of the inclined plate; the discharge port of the discharge groove is located outside the bottom of the crushing box; a feed pipe is fixedly installed at the right top end of the crushing box; the feed pipe is communicated with the inside of the protection box.

[0009] Preferably, the grinding assembly includes a grinding ring, and the grinding ring is fixedly installed inside the protection box; a reinforcing plate is hermetically welded to the bottom end of the grinding ring; the bottom end of the grinding ring extends out of the bottom of the protection box; a plurality of discharge holes are uniformly formed on the outer side of the bottom end of the grinding ring; a grinding disc is movably arranged on the upper surface of the reinforcing plate; a grinding area is arranged between the inner wall of the grinding disc and the grinding ring; the rotating shaft is fixedly connected with the grinding disc.

[0010] Preferably, the rotating shaft penetrates through the grinding disc; the rotating shaft is located at a position deviating from the center on the upper end surface of the grinding disc.

[0011] Preferably, the rotating shaft is rotatably connected with the reinforcing plate; the bottom end of the rotating shaft is fixedly connected with a Z-shaped lever.

[0012] Preferably, shaft rods are fixedly installed on both the front and rear sides of the inclined plate; one end of the shaft rod departing from the inclined plate is rotatably installed on the inner wall of the crushing box; fixing rods are fixedly installed on both the front and rear sides of the inclined plate corresponding to the positions of the shaft rods; torsion springs are sleeved on the outer sides of the shaft rods; one end of the torsion spring is fixedly connected with the fixing rod, and the other ends of the torsion springs are fixedly installed on the inner wall of the crushing box.

[0013] Beneficial effects

[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0015] (1). For this ultra-fine silicon carbide crushing device, by setting an inclined plate, a torsion spring, a Z-shaped lever, a fixing rod and a rotating shaft; when the Z-shaped lever contacts the inclined plate, the inclined plate will be toggled, avoiding the inclined plate always being in the maximum inclination state, slowing down the sliding speed of the ground silicon carbide particles on the inclined plate, and at the same time, the continuous swinging of the inclined plate can better separate the ground silicon carbide particles from the silicon carbide powder quickly, facilitating the blowing out of more silicon carbide powder from the powder discharge groove and improving the collection efficiency.

[0016] (2). For this ultra-fine silicon carbide crushing device, the motor shaft is fixedly connected to the eccentric position of the grinding disc. Therefore, when the grinding disc rotates, the area contacting the grinding ring can not only perform grinding, but also make the grinding disc extrude and crush large particle solids when approaching the grinding ring, thereby improving the grinding efficiency and effect. Description of the drawings

[0017] The following further illustrates the present utility model in conjunction with the drawings and embodiments:

[0018] Figure 1 This is a schematic diagram of the overall structure of the present utility model;

[0019] Figure 2 This is a schematic diagram of the internal sectional structure of the present utility model;

[0020] Figure 3 This is the present utility model Figure 2 enlarged schematic diagram of part A.

[0021] Reference numerals: 1, crushing box; 2, feed pipe; 3, discharge chute; 4, blower; 5, powder discharge chute; 6, hose; 7, mounting cover; 8, shaft rod; 9, grinding ring; 10, mounting plate; 11, protection box; 12, motor; 13, grinding disc; 14, reinforcing plate; 15, inclined plate; 16, torsion spring; 17, Z-shaped lever; 18, fixed rod; 19, rotating shaft. Detailed implementation manners

[0022] This part will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the drawings. The function of the drawings is to supplement the description of the text part of the specification, enabling people to intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but it cannot be construed as a limitation on the protection scope of the present utility model.

[0023] Please refer to Figures 1-3 , the present utility model provides a technical solution: a superfine silicon carbide crushing device, including a crushing box 1, on the inner wall of which a mounting plate 10 is fixedly installed; on the mounting plate 10, a protection box 11 is fixedly installed; the protection box 11 is provided with an open bottom end. A grinding assembly is arranged inside the protection box 11.

[0024] The grinding assembly includes a grinding ring 9, which is fixedly installed inside the protection box 11. A reinforcing plate 14 is hermetically welded to the bottom end of the grinding ring 9. The bottom end of the grinding ring 9 extends out of the bottom of the protection box 11. A plurality of discharge holes are evenly formed on the outer side of the bottom end of the grinding ring 9. A grinding disc 13 is movably arranged on the upper surface of the reinforcing plate 14. A grinding area is provided between the inner wall of the grinding disc 13 and the grinding ring 9. The rotating shaft 19 is fixedly connected to the grinding disc 13.

[0025] It should be noted that the rotating shaft 19 is located at a position deviating from the center on the upper end surface of the grinding disc 13. Therefore, when the grinding disc 13 rotates, the area in contact with the grinding ring 9 can not only perform grinding, but also enable the grinding disc 13 to crush large-particle solids when approaching the grinding ring 9.

[0026] An inclined plate 15 is rotatably arranged on the bottom side of the inner wall of the crushing box 1.

[0027] The upper end surface of the protective box 11 is fixedly installed with a motor 12. A rotating shaft 19 is fixedly installed on the output shaft of the motor 12. The rotating shaft 19 is rotatably connected to the reinforcing plate 14. The bottom end of the rotating shaft 19 is fixedly connected to a Z-shaped lever 17, and the Z-shaped lever 17 cooperates with the upper end surface of the inclined plate 15.

[0028] It should be noted that shaft rods 8 are fixedly installed on both the front and rear sides of the inclined plate 15. The ends of the shaft rods 8 away from the inclined plate 15 are rotatably installed on the inner wall of the crushing box 1. Fixed rods 18 are fixedly installed at positions corresponding to the shaft rods 8 on both the front and rear sides of the inclined plate 15. Torsion springs 16 are sleeved on the outer sides of the shaft rods 8. One end of each torsion spring 16 is fixedly connected to the fixed rod 18, and the other ends of the torsion springs 16 are fixedly installed on the inner wall of the crushing box 1.

[0029] Air outlet holes are evenly formed in the inclined plate 15. Installation covers 7 are fixedly installed on the lower surface of the inclined plate 15 at positions corresponding to a plurality of the air outlet holes. A blower 4 is fixedly installed at the right bottom end of the crushing box 1. A hose 6 is fixedly connected to the output end of the blower 4. One end of the hose 6 away from the blower 4 is fixedly connected to the installation cover 7.

[0030] A powder discharge groove 5 is communicated with the upper end surface on the left side of the crushing box 1. A discharge chute 3 is fixedly installed on the inner bottom surface of the crushing box 1 at a position corresponding to the left side of the inclined plate 15; the discharge port of the discharge chute 3 is located outside the bottom of the crushing box 1; a feed pipe 2 is fixedly installed at the right top end of the crushing box 1; the feed pipe 2 communicates with the inside of the protective box 11.

[0031] Working principle:

[0032] During use, silicon carbide particles are added into the grinding ring 9 through the feed pipe 2, and the motor 12 is started to make the rotating shaft 19 rotate to drive the grinding disc 13 to rotate. Since the motor 12 shaft is fixedly connected to the eccentric position of the grinding disc 13, when the grinding disc 13 rotates, in addition to being able to grind in the area where it contacts the grinding ring 9, the grinding disc 13 can also extrude and crush large particle solids when approaching the grinding ring 9. The ground silicon carbide powder falls onto the inclined plate 15 from the side wall discharge holes of the grinding ring 9. The blower 4 is started to blow air into the installation cover 7 through the hose 6, and the silicon carbide powder that meets the grinding standard on the inclined plate 15 is blown out from the powder discharge groove 5 through the air outlet holes on the inclined plate 15. The silicon carbide particles that do not meet the grinding standard and are heavier fall into the discharge chute 3 and are discharged from the crushing box 1.

[0033] While the rotating shaft 19 drives the grinding disc 13 to rotate, it also drives the Z-shaped lever 17 to rotate. When the Z-shaped lever 17 rotates and contacts the inclined plate 15, it will push the inclined plate 15 to rotate, thereby reducing the inclination angle of the inclined plate 15. When the Z-shaped lever 17 does not contact the inclined plate 15, the inclined plate 15 will reset under the action of the torsion spring 16. This reciprocating motion avoids the inclined plate 15 always being in the maximum inclination state, slows down the sliding speed of the ground silicon carbide particles on the inclined plate 15, facilitates blowing more silicon carbide powder out of the powder discharge groove 5, and thus improves the collection efficiency.

[0034] The above has described the embodiments of the present invention in detail with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those of ordinary skill in the art in the said technical field, various changes can be made without departing from the gist of the present invention.

Claims

1. An ultrafine silicon carbide pulverizing device, comprising a pulverizing box (1), characterized in that: A mounting plate (10) is fixedly mounted on the inner wall of the crushing box (1); a protection box (11) is fixedly mounted on the mounting plate (10); the protection box (11) is open at the bottom; a grinding assembly is arranged inside the protection box (11); An inclined plate (15) is rotatably arranged on the bottom side of the inner wall of the crushing box (1); air outlet holes are evenly arranged on the inclined plate (15); a mounting cover (7) is fixedly mounted on the lower surface of the inclined plate (15) at positions corresponding to the plurality of air outlet holes; a blower (4) is fixedly mounted on the right bottom end of the crushing box (1); a hose (6) is fixedly connected to the output end of the blower (4); an end of the hose (6) away from the blower (4) is fixedly connected to the mounting cover (7); a motor (12) is fixedly mounted on the upper end surface of the protection box (11); a rotating shaft (19) is fixedly mounted on the output shaft of the motor (12); a Z-shaped lever (17) is fixedly mounted on the rotating shaft (19); and the Z-shaped lever (17) cooperates with the upper end surface of the inclined plate (15).

2. The ultrafine silicon carbide pulverizing device according to claim 1, characterized in that: The left side of the upper end surface of the crushing box (1) is connected to a powder discharge groove (5); a discharge groove (3) is fixedly installed on the left side of the inner bottom surface of the crushing box (1) corresponding to the inclined plate (15); the discharge port of the discharge groove (3) is located outside the bottom of the crushing box (1); a feed pipe (2) is fixedly installed on the top right side of the crushing box (1); the feed pipe (2) is connected to the inside of the protection box (11).

3. The ultrafine silicon carbide pulverizing device according to claim 1, characterized in that: The grinding assembly comprises a grinding ring (9), which is fixedly mounted inside a protective box (11); a reinforcing plate (14) is seal-welded to the bottom end of the grinding ring (9); the bottom end of the grinding ring (9) extends out of the bottom of the protective box (11); a plurality of discharge holes are evenly arranged on the outer side of the bottom end of the grinding ring (9); a grinding disc (13) is movably arranged on the upper surface of the reinforcing plate (14); a grinding area is arranged between the grinding disc (13) and the inner wall of the grinding ring (9); and a rotating shaft (19) is fixedly connected to the grinding disc (13).

4. The ultrafine silicon carbide pulverizing device according to claim 3, characterized in that: The rotating shaft (19) passes through the grinding disc (13); the rotating shaft (19) is located at a position off-center on the upper end surface of the grinding disc (13).

5. The ultrafine silicon carbide pulverizing device according to claim 1, characterized in that: The rotating shaft (19) is rotatably connected to the reinforcing plate (14); the bottom end of the rotating shaft (19) is fixedly connected to the Z-shaped lever (17).

6. The ultrafine silicon carbide pulverizing device according to claim 1, characterized in that: A shaft (8) is fixedly mounted on both the front and rear sides of the inclined plate (15); one end of the shaft (8) facing away from the inclined plate (15) is rotatably mounted on the inner wall of the crushing box (1); a fixing rod (18) is fixedly mounted on both the front and rear sides of the inclined plate (15) at positions corresponding to the shaft (8); a torsion spring (16) is sleeved on the outer side of the shaft (8); one end of the torsion spring (16) is fixedly connected to the fixing rod (18), and the other end of the torsion spring (16) is fixedly mounted on the inner wall of the crushing box (1).

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