Closed vibration screening device for corundum production

Abstract

The utility model relates to the technical field of closed vibration screening devices, in particular to a closed vibration screening device for corundum production, which comprises a stirring shaft, a stirring motor arranged at the top end of the stirring shaft, a stirring blade arranged on a shaft body of the stirring shaft, an opening and a steel ball groove arranged on the surface of the stirring blade, and steel balls arranged in the steel ball groove. One end of a sealing block is arranged in the opening, a steel ball pushing spring is fixed to the surface of the sealing block, and a limiting mechanism is arranged between the opening and the sealing block. The stirring device has the beneficial effects that the steel ball pushing spring is compressed due to the movement of the steel ball, the stirring shaft and the stirring blades stop rotating instantly after the stirring motor is shut down, the steel ball pushing spring pushes the steel ball to the direction close to the stirring shaft under the elastic action of the steel ball pushing spring, and the steel ball quickly moves in the steel ball groove until colliding with the inner wall of the steel ball groove; and the aluminum oxide powder or the aluminum powder attached to the surfaces of the stirring blades is vibrated off due to the vibration of the stirring blades.

Description

Technical Field

[0001] The utility model relates to the technical field of closed vibration screening devices, in particular to a closed vibration screening device for corundum production. Background Art

[0002] Corundum production is a complex and delicate process, involving multiple steps such as raw material preparation, grinding and mixing, molding, drying and pre-sintering, sintering and post-processing. Corundum production usually uses high-purity alumina as the main raw material. These raw materials can be natural ores or chemically synthesized powders. For certain types of corundum (such as tabular corundum), pure alumina powder without any additional additives may be selected. When using powdered alumina or aluminum powder as raw materials, the raw materials containing alumina powder or aluminum powder must be screened to remove large particles of impurities. During screening, since aluminum powder and alumina powder are both powdered, a closed vibrating screening device must be used for screening. Otherwise, not only will a large amount of aluminum powder or alumina powder be wasted, but it will also harm the health of people around.

[0003] In the prior art, a patent document with application number CN202020479400.6 reviewed and published by the State Intellectual Property Office of China discloses a device for preventing blocking in house construction, comprising a screen box, an elastic seat, a vibration motor, a stirring assembly, a sand inlet, a filter screen, a stone outlet and a sand outlet, wherein the sand outlet is arranged directly below the filter screen, and a control device is provided on the outer wall of the screen box, and the vibration motor and the stirring assembly are electrically connected to the control device; in actual application, the sand to be screened is put into the sand inlet, and when the control device controls the vibration motor to vibrate the screen box left and right, the elastic seat vibrates the screen box up and down under the action of the vibration motor, and at the same time the stirring assembly stirs the sand inside the screen box, and the fine sand falls to the sand outlet through the filter screen, and the coarse gravel is discharged from the stone outlet; the utility model fully automatically and efficiently screens sand, saves human labor, and the closed box is not easy to fly ash, protects the health of workers, and effectively prevents screen jamming.

[0004] However, when the existing housing construction anti-blocking device is used as a closed vibrating screening device for corundum production, a large amount of alumina powder or aluminum powder will adhere to the stirring blades after the raw materials are stirred and screened. When the device is subsequently flushed, the alumina powder or aluminum powder will be wasted. Utility Model Content

[0005] The purpose of the utility model is to provide a closed vibrating screening device for corundum production 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 closed vibrating screening device for corundum production, comprising: a stirring shaft, a stirring motor is provided at the top of the stirring shaft, a stirring blade is provided on the shaft body of the stirring shaft, an opening and a steel ball groove are provided on the surface of the stirring blade, steel balls are provided in the steel ball groove, one end of a sealing block is provided in the opening, a steel ball push spring is fixed on the surface of the sealing block, and a limiting mechanism is provided between the opening and the sealing block.

[0007] Preferably, the opening and the steel ball groove are both rectangular groove structures, the side length of the opening is larger than the steel ball groove, the opening and the steel ball groove are connected, and the steel ball push spring extends into the steel ball groove.

[0008] Preferably, the limiting mechanism includes: a limiting hole mounting groove, a limiting block and a limiting groove, the limiting hole mounting groove is opened on the side of one end of the sealing block extending into the opening, the limiting groove is opened on the inner wall of the opening, one end of the limiting block is movably inserted in the limiting hole mounting groove, and the other end of the limiting block is movably inserted in the limiting groove, and the limiting block has a rectangular block structure.

[0009] Preferably, a push rod groove is provided on the side of the end of the sealing block extending out of the opening, a spring groove is provided inside the sealing block, the limiting hole mounting groove, the spring groove and the push rod groove are connected, and a push rod is movably inserted in the spring groove and the push rod groove. The push rod is an "L"-shaped rod structure, one end of the push rod is fixed on the surface of one end of the limiting block extending into the limiting hole mounting groove, and the other end of the push rod extends out from the push rod groove.

[0010] Preferably, a push rod spring is fixed between the push rod and the inner wall of the spring groove.

[0011] Preferably, a sealing groove is provided on the inner wall of the push rod groove, the sealing groove is an annular groove body, a sealing ring is fixed in the sealing groove, the sealing ring is annular in structure, and the inner ring of the sealing ring is movably sleeved on the rod body of the push rod.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] The utility model proposes a closed vibration screening device for corundum production. When screening the raw materials, the material receiving box is placed under the sand outlet. Then the closed vibration screening device for corundum production is used to stir and screen the raw materials. The screened alumina powder or aluminum powder falls out of the sand outlet and enters the material receiving box. After completing the stirring and screening of the raw materials, the stirring motor is turned on and off intermittently. When the stirring motor is turned on, it drives the stirring shaft to rotate, and the stirring shaft drives each group of stirring blades to rotate. The rotation of the stirring blades causes the steel balls to rotate synchronously, so that the steel balls are subjected to centrifugal force and move away from the stirring shaft in the steel ball groove. The movement of the steel ball compresses the steel ball push spring. After the stirring motor is turned off, the stirring shaft and the stirring blade stop rotating instantly. The steel ball push spring pushes the steel ball toward the stirring shaft under its own elastic action. The steel ball moves rapidly in the steel ball groove until it hits the inner wall of the steel ball groove, causing the stirring blade to vibrate. The shaking of the stirring blade causes the alumina powder or aluminum powder attached to the surface of the stirring blade to be shaken off, so that the alumina powder or aluminum powder attached to the surface of the stirring blade falls out of the sand outlet together with the alumina powder or aluminum powder that has been screened out before and falls into the receiving box to be collected and utilized, thereby reducing waste. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the cross-sectional structure of the utility model;

[0016] Figure 3 for Figure 2 A magnified schematic diagram of the structure in the middle.

[0017] In the figure: stirring shaft 1, stirring blade 2, opening 3, steel ball groove 4, sealing block 5, steel ball push spring 6, limit hole mounting groove 7, spring groove 8, push rod groove 9, limit block 10, limit groove 11, push rod 12, push rod spring 13, sealing groove 14, sealing ring 15, steel ball 16. DETAILED DESCRIPTION

[0018] In order to clearly and completely describe the purpose and technical solution of the present invention and make its advantages more clearly understood, the following is a further detailed description of the embodiments of the present invention in conjunction with the accompanying drawings. It should be understood that the specific embodiments described herein are only part of the embodiments of the present invention, not all of them, and are only used to explain the embodiments of the present invention and are not intended to limit the embodiments of the present invention. All other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0019] Example 1: Please refer to Figures 1 to 3The utility model provides a technical solution: a closed vibrating screening device for corundum production, comprising: a stirring shaft 1, a stirring motor is provided at the top of the stirring shaft 1, a stirring blade 2 is provided on the shaft body of the stirring shaft 1, an opening 3 and a steel ball groove 4 are provided on the surface of the stirring blade 2, a steel ball 16 is provided in the steel ball groove 4, one end of a sealing block 5 is provided in the opening 3, a steel ball pushing spring 6 is fixed on the surface of the sealing block 5, a limiting mechanism is provided between the opening 3 and the sealing block 5, the opening 3 and the steel ball groove 4 are both rectangular trough structures, the side length of the opening 3 is greater than the steel ball groove 4, the opening 3 and the steel ball groove 4 are connected, and the steel ball pushing spring 6 extends into the steel ball groove 4.

[0020] When the enclosed vibration screening device for corundum production is used to screen the raw materials, a material receiving box is placed below the sand outlet, and then the enclosed vibration screening device for corundum production is used to stir and screen the raw materials. The screened alumina powder or aluminum powder falls out of the sand outlet and enters the material receiving box. After completing the stirring and screening of the raw materials, the stirring motor is turned on and off intermittently. When the stirring motor is turned on, it drives the stirring shaft 1 to rotate, and the stirring shaft 1 drives each group of stirring blades 2 to rotate. The rotation of the stirring blades 2 causes the steel balls 16 to rotate synchronously, so that the steel balls 16 are subjected to centrifugal force and move in the steel ball groove 4 in a direction away from the stirring shaft 1. The movement of the steel ball 16 compresses the steel ball push spring 6. After the stirring motor is turned off, the stirring shaft 1 and the stirring blade 2 stop rotating instantly. The steel ball push spring 6 pushes the steel ball 16 in the direction close to the stirring shaft 1 under its own elastic action. The steel ball 16 moves rapidly in the steel ball groove 4 until it hits the inner wall of the steel ball groove 4, thereby causing the stirring blade 2 to shake. The shaking of the stirring blade 2 causes the alumina powder or aluminum powder attached to the surface of the stirring blade 2 to be shaken off, so that the alumina powder or aluminum powder attached to the surface of the stirring blade 2 falls out of the sand outlet together with the alumina powder or aluminum powder that has been screened out before and falls into the receiving box to be collected and utilized, thereby reducing waste.

[0021] Example 2: On the basis of Example 1, in order to facilitate the replacement of the steel ball 16, a limiting mechanism is set between the opening 3 and the sealing block 5, and the limiting mechanism includes: a limiting hole mounting groove 7, a limiting block 10 and a limiting groove 11. The limiting hole mounting groove 7 is provided on the side of the end of the sealing block 5 extending into the opening 3, and the limiting groove 11 is provided on the inner wall of the opening 3. One end of the limiting block 10 is movably inserted in the limiting hole mounting groove 7, and the other end of the limiting block 10 is movably inserted in the limiting groove 11. The limiting block 10 is a rectangular block. The sealing block 5 has an L-shaped structure, a push rod groove 9 is provided on the side of one end of the sealing block 5 extending out of the opening 3, a spring groove 8 is provided inside the sealing block 5, the limiting hole mounting groove 7, the spring groove 8 and the push rod groove 9 are connected, and a push rod 12 is movably inserted in the spring groove 8 and the push rod groove 9. The push rod 12 has an "L"-shaped rod structure, one end of the push rod 12 is fixed on the surface of one end of the limiting block 10 extending into the limiting hole mounting groove 7, and the other end of the push rod 12 extends from the push rod groove 9, and a push rod spring 13 is fixed between the push rod 12 and the inner wall of the spring groove 8.

[0022] When the steel ball 16 needs to be replaced, the push rod 12 is fully pressed into the push rod groove 9. The push rod 12 drives the limit block 10 to move in the same direction so that the limit block 10 withdraws from the limit groove 11. Then the sealing block 5 can be taken out from the opening 3. The sealing block 5 brings the steel ball pushing spring 6 out of the steel ball groove 4. Then, the old steel ball 16 is sucked out of the steel ball groove 4 with a magnet, and a new steel ball 16 is put into the steel ball groove 4. Then, the push rod 12 is fully pressed into the push rod groove 9 again. On the one hand, the push rod 12 makes the push rod spring 6 The spring 13 is compressed by the inner wall of the spring groove 8 and the push rod 12, and on the other hand, it also drives the limit block 10 to be completely retracted into the limit hole mounting groove 7, and then the sealing block 5 is installed back into the opening 3. Finally, the push rod 12 is released, and the push rod spring 13 pushes one end of the push rod 12 out of the push rod groove 9 again under its own elastic action. The movement of the push rod 12 causes one end of the limit block 10 to be reinserted into the limit groove 11, and the other end of the limit block 10 stays in the limit hole mounting groove 7, so that the sealing block 5 is re-limited in the opening 3, completing the replacement of the steel ball 16.

[0023] Example 3: On the basis of Example 2, in order to prevent dust from entering the spring groove 8 from the gap between the inner wall of the push rod groove 9 and the push rod 12, a sealing groove 14 is opened on the inner wall of the push rod groove 9. The sealing groove 14 is an annular groove body. A sealing ring 15 is fixed in the sealing groove 14. The sealing ring 15 is an annular structure. The inner ring of the sealing ring 15 is movably mounted on the rod body of the push rod 12.

[0024] When the stirring blade 2 stirs the raw materials, alumina powder or aluminum powder in the raw materials can easily enter the spring groove 8 from the gap between the inner wall of the push rod groove 9 and the push rod 12. In order to prevent this phenomenon, a sealing groove 14 is opened on the inner wall of the push rod groove 9, and a sealing ring 15 is arranged in the sealing groove 14. The sealing ring 15 is made of highly elastic rubber material. The sealing ring 15 blocks the gap between the inner wall of the push rod groove 9 and the push rod 12, thereby preventing dust from entering the spring groove 8 from the gap between the inner wall of the push rod groove 9 and the push rod 12.

[0025] During actual use, the material receiving box is placed under the sand outlet, and then the closed vibrating screening device for corundum production is used to stir and screen the raw materials. The screened alumina powder or aluminum powder falls out of the sand outlet and enters the material receiving box. After completing the stirring and screening of the raw materials, the stirring motor is turned on and off intermittently. When the stirring motor is turned on, it drives the stirring shaft 1 to rotate, and the stirring shaft 1 drives each group of stirring blades 2 to rotate. The rotation of the stirring blades 2 causes the steel balls 16 to rotate synchronously, so that the steel balls 16 are subjected to centrifugal force and move in the direction away from the stirring shaft 1 in the steel ball groove 4. The movement of the steel balls 16 compresses the steel ball push spring 6. After the stirring motor is turned off, the stirring shaft 1 and the stirring blades 2 are instantly The rotation of the stirring blade 2 is stopped for a while, and the steel ball pushing spring 6 pushes the steel ball 16 in the direction close to the stirring shaft 1 under the action of its own elasticity. The steel ball 16 moves rapidly in the steel ball groove 4 until it hits the inner wall of the steel ball groove 4, thereby causing the stirring blade 2 to vibrate. The shaking of the stirring blade 2 causes the alumina powder or aluminum powder attached to the surface of the stirring blade 2 to be shaken off, so that the alumina powder or aluminum powder attached to the surface of the stirring blade 2 falls out of the sand outlet together with the alumina powder or aluminum powder that has been screened out before and falls into the receiving box to be collected and utilized, thereby reducing waste; when the steel ball 16 needs to be replaced, the push rod 12 is fully pressed into the push rod groove 9, and the push rod 12 drives the limit block 10 to move in the same direction, thereby causing the limit block 10 to move from After the cam 11 is released, the sealing block 5 can be taken out from the opening 3. The sealing block 5 brings the steel ball pushing spring 6 out of the steel ball groove 4. Then, the old steel ball 16 is sucked out of the steel ball groove 4 with a magnet, and a new steel ball 16 is put into the steel ball groove 4. Then, the push rod 12 is fully pressed into the push rod groove 9 again. On the one hand, the push rod 12 causes the push rod spring 13 to be compressed by the inner wall of the spring groove 8 and the push rod 12. On the other hand, it also drives the limit block 10 to be completely retracted into the limit hole mounting groove 7. Then the sealing block 5 is put back into the opening 3. Finally, the push rod 12 is released. The push rod spring 13 pushes one end of the push rod 12 out of the push rod groove 9 again under its own elastic action. The movement of the push rod 12 causes one end of the limit block 10 to be reinserted into the limit hole mounting groove 7. Groove 11, the other end of the limit block 10 stays in the limit hole mounting groove 7, so that the sealing block 5 is re-limited in the opening 3, and the replacement of the steel ball 16 is completed; when the stirring blade 2 stirs the raw materials, the alumina powder or aluminum powder in the raw materials can easily enter the spring groove 8 from the gap between the inner wall of the push rod groove 9 and the push rod 12. In order to prevent this phenomenon, a sealing groove 14 is opened on the inner wall of the push rod groove 9, and a sealing ring 15 is set in the sealing groove 14. The sealing ring 15 is made of highly elastic rubber material. The sealing ring 15 blocks the gap between the inner wall of the push rod groove 9 and the push rod 12, thereby preventing dust from entering the spring groove 8 from the gap between the inner wall of the push rod groove 9 and the push rod 12.

[0026] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A closed vibrating screening device for corundum production, comprising: A stirring shaft (1) is provided with a stirring motor at the top end of the stirring shaft (1), and a stirring blade (2) is provided on the shaft body of the stirring shaft (1), characterized in that an opening (3) and a steel ball groove (4) are provided on the surface of the stirring blade (2), a steel ball (16) is provided in the steel ball groove (4), one end of a sealing block (5) is provided in the opening (3), a steel ball pushing spring (6) is fixed on the surface of the sealing block (5), and a limiting mechanism is provided between the opening (3) and the sealing block (5).

2. The closed vibrating screening device for corundum production according to claim 1, characterized in that: The opening (3) and the steel ball groove (4) are both rectangular groove structures. The side length of the opening (3) is greater than that of the steel ball groove (4). The opening (3) and the steel ball groove (4) are connected, and the steel ball push spring (6) extends into the steel ball groove (4).

3. The closed vibrating screening device for corundum production according to claim 1, characterized in that: The limiting mechanism comprises: a limiting hole mounting groove (7), a limiting block (10) and a limiting groove (11); the limiting hole mounting groove (7) is provided on the side surface of one end of the sealing block (5) extending into the opening (3); the limiting groove (11) is provided on the inner wall of the opening (3); one end of the limiting block (10) is movably inserted into the limiting hole mounting groove (7); the other end of the limiting block (10) is movably inserted into the limiting groove (11); and the limiting block (10) is a rectangular block structure.

4. The closed vibrating screening device for corundum production according to claim 3, characterized in that: A push rod groove (9) is provided on the side of one end of the sealing block (5) extending out of the opening (3), a spring groove (8) is provided inside the sealing block (5), the limiting hole mounting groove (7), the spring groove (8) and the push rod groove (9) are connected, and a push rod (12) is movably inserted into the spring groove (8) and the push rod groove (9), and the push rod (12) is an "L"-shaped rod structure, one end of the push rod (12) is fixed on the surface of one end of the limiting block (10) extending into the limiting hole mounting groove (7), and the other end of the push rod (12) extends out of the push rod groove (9).

5. The closed vibrating screening device for corundum production according to claim 4, characterized in that: A push rod spring (13) is fixed between the push rod (12) and the inner wall of the spring groove (8).

6. The closed vibrating screening device for corundum production according to claim 4, characterized in that: A sealing groove (14) is provided on the inner wall of the push rod groove (9). The sealing groove (14) is an annular groove body. A sealing ring (15) is fixed in the sealing groove (14). The sealing ring (15) is an annular structure. The inner ring of the sealing ring (15) is movably sleeved on the rod body of the push rod (12).

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