Raw material screening device for single crystal production

Abstract

The utility model discloses a raw material screening device for single crystal production, which comprises an inclined support main body, a screening roller with the same inclination angle is arranged on the support main body, a stirring plectrum for stirring single crystal raw materials is arranged in the screening roller, and a discharge port is arranged on the support main body vertically below the screening roller. The power output end of the stepping motor drives the rotating shaft to rotate through the coupler, the stirring shifting pieces are driven to rotate, raw materials are stirred and made to rotate, the raw materials according with the size can fall to the discharging opening through the leakage holes formed in the surface of the screening roller, the raw materials can be prevented from being too scattered after being collected through the baffles inclining inwards, and therefore the screening efficiency is improved. And the obliquely-arranged screening roller can screen more raw materials at a time, the working efficiency is improved, and the screening precision can be improved through a rotating mode of stirring shifting pieces in the screening roller, so that the purity of later-stage single crystal manufacturing is higher.

Description

Technical Field

[0001] The utility model relates to a raw material screening device for single crystal production. Background Art

[0002] A single crystal refers to a defect-free crystalline body with a crystal structure. It has a wide range of applications in materials science and engineering. The preparation method of single crystal materials is crucial, as it determines the quality and performance of single crystal materials.

[0003] Currently, in the production process of single crystals, the raw materials for refining single crystals, such as quartz sand, need to be dried and screened first, so as to screen out impurities in the raw materials and improve the purity of the subsequent single crystals. However, the existing screening device relies on a vibrating machine to drive the screen for screening, and the screening efficiency is low, and continuous feeding is required. Utility Model Content

[0004] The purpose of the utility model is to provide a raw material screening device for single crystal production to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a raw material screening device for single crystal production, comprising a support body arranged in an inclined manner, a screening drum with the same inclination angle is arranged on the support body, a stirring paddle for moving the single crystal raw materials is arranged in the screening drum, and a discharge port is arranged on the support body vertically below the screening drum.

[0006] Preferably, leakage holes for screening raw materials are provided at equal intervals around the outer surface of the screening drum, and a detachable cover door is provided at one end of the feeding port of the screening drum.

[0007] Preferably, a power unit is provided at one end of the bracket body close to the feeding port of the screening drum, and the power unit comprises a stepper motor arranged on the bracket body, and a power output end of the stepper motor is connected to a rotating shaft via a coupling.

[0008] Preferably, the rotating shaft is arranged in the middle of the screening drum, and the stirring paddles are arranged around the outer side of the rotating shaft.

[0009] Preferably, a support plate is provided at the bottom of the stepper motor, two sides of the support plate are slidably provided on the bracket body, and positioning columns for fixing the support plate are provided at both ends of the support plate.

[0010] Preferably, the number of the discharge ports is three, and downwardly extending baffles are provided on four sides of the outer surface of the discharge port. The number of the baffles is four, and the four baffles are all inclined inwards.

[0011] Preferably, a bearing seat matched with the rotating shaft is arranged in the other end of the screening drum.

[0012] The technical effects and advantages of the utility model are as follows: the raw material screening device for single crystal production moves the support plate to move the stepper motor toward the side away from the screening drum, which is convenient for the staff to open the cover door and pour a sufficient amount of single crystal manufacturing raw materials into the screening drum. After closing the cover door, the power output end of the stepper motor drives the rotating shaft to rotate through the coupling, driving the rotation of the stirring paddle to stir the raw materials and make them rotate. Raw materials of suitable sizes can fall to the discharge port through the leakage holes opened on the surface of the screening drum. The inwardly inclined baffle can prevent the raw materials from being too scattered after being collected, and the inclined screening drum can screen more raw materials at one time, thereby improving work efficiency. The rotation of the stirring paddle inside can improve the screening accuracy, so that the purity of single crystal manufacturing in the later stage is higher. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 It is a structural schematic diagram of the bearing seat of the utility model;

[0015] Figure 3 It is a structural schematic diagram of the discharge port of the utility model;

[0016] Figure 4 It is a schematic diagram of the structure inside the screening drum of the utility model.

[0017] In the figure: 1. bracket body; 2. screening drum; 3. stirring paddle; 4. discharge port; 5. leakage hole; 6. cover door; 7. stepper motor; 8. coupling; 9. rotating shaft; 10. support plate; 11. positioning column; 12. baffle; 13. bearing seat. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0019] In order to improve the efficiency of screening, refer to Figure 1 , Figure 2 and Figure 3As shown, it includes a support body 1 that is arranged in an inclined manner, and a screening drum 2 with the same inclination angle is arranged on the support body 1, and a stirring paddle 3 for moving the single crystal raw material is arranged in the screening drum 2. The support body 1 is located vertically below the screening drum 2 and is provided with a discharge port 4. The support plate 10 is moved to make the stepper motor 7 move toward the side away from the screening drum 2, so that the staff can open the cover door 6 and pour a sufficient amount of single crystal manufacturing raw materials into the screening drum 2. After closing the cover door 6, the power output end of the stepper motor 7 drives the rotating shaft 9 to rotate through the coupling 8, driving the rotation of the stirring paddle 3, stirring the raw materials and making them rotate. Raw materials that meet the size can fall to the discharge port 4 through the leakage hole 5 opened on the surface of the screening drum 2. The inwardly inclined baffle 12 can prevent the raw materials from being too scattered after being collected. The inclined screening drum 2 can screen more raw materials at one time, thereby improving work efficiency. The rotation of the stirring paddle 3 inside can improve the screening accuracy.

[0020] In order to improve the screening accuracy, refer to Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, leakage holes 5 for screening raw materials are equidistantly spaced around the outer surface of the screening drum 2, and a detachable cover door 6 is provided at one end of the feeding port of the screening drum 2. By opening the cover door 6, the raw materials to be screened can be added into the screening drum 2. The size of the leakage holes 5 matches the size of the required raw materials, and the raw materials that do not meet the size can be left in the screening drum 2. The bracket body 1 is provided with a power unit at one end near the feeding port of the screening drum 2. The power unit includes a stepper motor 7 arranged on the bracket body 1. The power output end of the stepper motor 7 is connected to a rotating shaft 9 through a coupling 8. The stepper motor 7 is a prior art and will not be described here. The rotating shaft 9 is arranged in the middle of the screening drum 2, and the stirring paddle 3 is arranged around the outer side of the rotating shaft 9. The stirring paddle 3 continuously stirs the raw materials to make them rotate, which can improve the screening efficiency. A support plate 10 is provided at the bottom of the stepper motor 7. Both sides of the support plate 10 are slidably provided on the bracket body 1, and positioning columns 11 for fixing the support plate 10 are provided at both ends of the support plate 10. By moving the support plate 10, the stepper motor 7 is driven to move, which is convenient for opening the cover plate, and the positioning columns 11 can fix the support plate 10 to improve the stability of the stepper motor 7 when working. The number of the discharge ports is three, and the four sides of the outer surface of the discharge port are provided with baffles 12 extending downward. The baffles 12 are provided in four, and the four baffles 12 are all inclined inward. A bearing seat 13 adapted to the rotating shaft 9 is provided in the other end of the screening drum 2. The bearing seat 13 cooperates with the rotation of the rotating shaft 9, and the side of the screening drum 2 close to the bearing seat 13 is detachable. When the screening is completed, the non-compliant raw materials in the screening drum 2 can be removed by disassembling the side.

[0021] When in use, first move the support plate 10 to move the stepper motor 7 toward the side away from the screening drum 2, so that the staff can open the cover door 6 and pour a sufficient amount of single crystal manufacturing raw materials into the screening drum 2. After closing the cover door 6, the power output end of the stepper motor 7 drives the rotating shaft 9 to rotate through the coupling 8, driving the rotation of the stirring paddle 3 to stir the raw materials and make them rotate. Raw materials of suitable size can fall to the discharge port 4 through the leakage hole 5 opened on the surface of the screening drum 2. The inwardly inclined baffle 12 can prevent the raw materials from being too scattered after being collected. When the stepper motor 7 is working, it is necessary to move the support plate 10 again to connect the power output end of the stepper motor 7 to the coupling 8, and fix the support plate 10 with the positioning column 11.

[0022] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention.

Claims

1. A raw material screening device for single crystal production, characterized in that: The invention comprises a support body (1) arranged in an inclined manner, a screening drum (2) arranged on the support body (1) with the same inclination angle, a stirring paddle (3) for stirring the single crystal raw material arranged in the screening drum (2), a discharge port (4) arranged on the support body (1) vertically below the screening drum (2), a power unit arranged at one end of the support body (1) close to the feeding port of the screening drum (2), the power unit comprising a stepping motor (7) arranged on the support body (1), a power output end of the stepping motor (7) being connected to a rotating shaft (9) via a coupling (8), the rotating shaft (9) being arranged in the middle of the screening drum (2), and the stirring paddle (3) being arranged around the outer side of the rotating shaft (9).

2. The raw material screening device for single crystal production according to claim 1, characterized in that: Leakage holes (5) for screening raw materials are arranged at equal intervals around the outer surface of the screening drum (2), and a detachable cover door (6) is arranged at one end of the material inlet of the screening drum (2).

3. The raw material screening device for single crystal production according to claim 1, characterized in that: A support plate (10) is provided at the bottom of the stepper motor (7), and two sides of the support plate (10) are slidably arranged on the bracket body (1), and positioning columns (11) for fixing the support plate (10) are provided at both ends of the support plate (10).

4. The raw material screening device for single crystal production according to claim 1, characterized in that: The number of the discharge openings (4) is three, and downwardly extending baffles (12) are provided on four sides of the outer surface of the discharge opening (4). The number of the baffles (12) is four, and the four baffles (12) are all inclined inwards.

5. The raw material screening device for single crystal production according to claim 1, characterized in that: A bearing seat (13) adapted to the rotating shaft (9) is provided in the other end of the screening drum (2).

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