Hexagonal boron nitride screening equipment

Abstract

The utility model discloses hexagonal boron nitride screening equipment which comprises a screening tank, a driving mechanism is vertically arranged on the upper side of the screening tank, the driving end of the driving mechanism penetrates into the screening tank to be connected with a connecting plate, and a telescopic mechanism is vertically arranged on the lower side of the connecting plate. The lower end of the telescopic mechanism is connected with a horizontally-arranged screen, and a feeding port located in the lower side of the connecting plate is formed in the outer side of the screening tank. According to the hexagonal boron nitride screening equipment, under the cooperation of all the components, unqualified materials can be conveniently discharged from the screen.

Description

Technical Field

[0001] The utility model relates to the technical field of hexagonal boron nitride production, in particular to hexagonal boron nitride screening equipment. Background Art

[0002] Hexagonal boron nitride is a white crystal. After it is produced, it is usually ground into small particles due to its inconsistent size. After grinding, it is usually screened to screen out the larger particles that do not meet the requirements and re-grind them. However, some existing grinding equipment is not convenient for discharging the unqualified materials after selecting them. The screen needs to be removed, which is too cumbersome to operate. Therefore, a screening device is needed to easily remove the unqualified materials from the screen. Utility Model Content

[0003] In view of the deficiencies in the prior art, the utility model provides a hexagonal boron nitride screening device, which is convenient for discharging unqualified materials from the screen.

[0004] To achieve the above objectives, the utility model is implemented through the following technical solutions: a hexagonal boron nitride screening device, including a screening tank, a driving mechanism is vertically provided on the upper side of the screening tank, the driving end of the driving mechanism penetrates into the interior of the screening tank and is connected to a connecting plate, a telescopic mechanism is vertically provided on the lower side of the connecting plate, a horizontally arranged screen is connected to the lower end of the telescopic mechanism, a feed port located on the lower side of the connecting plate is provided on the outer side of the screening tank, a discharge port located on the lower side of the feed port is provided on the outer side of the screening tank, and a unloading mechanism is provided on the lower side of the screening tank.

[0005] Preferably, the driving mechanism comprises a motor which is arranged vertically with the driving end facing downwards, the motor is fixed on the screening tank, and the driving end of the motor passes through the screening tank and is connected to the connecting plate.

[0006] Preferably, an annular support plate located at the lower side of the connecting plate is horizontally provided in the screening tank, and a fixed ball is provided on the support plate, and the upper side of the fixed ball is in contact with the lower side of the connecting plate.

[0007] Preferably, the screen comprises a cross rod and a circular ring perpendicular to the lower end of the telescopic mechanism, the four ends of the cross rod are fixed on the inner side of the circular ring, and a woven mesh is provided in the gap between the cross rod and the circular ring.

[0008] Preferably, the telescopic mechanism comprises an electric telescopic rod which is arranged vertically with the telescopic end facing downward.

[0009] Preferably, an observation window is provided on the front side of the screening tank.

[0010] Preferably, the feeding mechanism comprises a feeding pipe, on which a valve is provided.

[0011] The utility model provides a hexagonal boron nitride screening device, which has the following beneficial effects:

[0012] The hexagonal boron nitride screening equipment, after the material to be screened is put into the screening tank 1 through the feed port, the material can directly fall on the screen, and the telescopic mechanism can drive the material to vibrate up and down when it is quickly extended and retracted, so that qualified materials are screened to the lower side of the screen, and unqualified materials are intercepted on the screen. Through the setting of the opening and closing door and the discharge port, when the telescopic mechanism drives the screen to move to the level with the lower side of the discharge port, the driving mechanism can drive the screen to rotate, and under the action of centrifugal force, the unqualified materials on the screen can be gradually thrown out of the screening tank from the discharge port. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0014] Figure 2 This is a schematic diagram of the cross-sectional structure of the utility model;

[0015] Figure 3 It is a schematic diagram of the three-dimensional structure of the connecting plate and the annular supporting plate of the utility model;

[0016] Figure 4 It is a schematic diagram of the three-dimensional structure of the screen of the utility model.

[0017] In the figure: 1. screening tank; 2. connecting plate; 3. screen; 4. feed port; 5. discharge port; 6. motor; 7. annular support plate; 8. fixed ball; 9. cross rod; 10. ring; 11. woven mesh; 12. electric telescopic rod; 13. observation window; 14. opening and closing door; 15. discharge pipe; 16. valve. DETAILED DESCRIPTION

[0018] The present invention will be further described below in conjunction with specific embodiments. Figures 1 to 4 As shown:

[0019] Embodiment 1: A hexagonal boron nitride screening device comprises a screening tank 1, which is a circular tank. A driving mechanism is vertically arranged on the upper side of the screening tank 1. The driving end of the driving mechanism penetrates into the interior of the screening tank 1 and is connected to a connecting plate 2. The connecting plate 2 is horizontal and coaxially arranged with the screening tank 1. The driving mechanism can drive the connecting plate 2 to rotate in the forward and reverse directions.

[0020] A telescopic mechanism is vertically provided on the lower side of the connecting plate 2, and a horizontally arranged screen 3 is connected to the lower end of the telescopic mechanism. The screen 3 is coaxial with the screening tank 1 and its side is in contact with the screening tank 1, thereby preventing unqualified materials from leaking from the side of the screen 3 to the bottom of the screen 3. The telescopic mechanism can drive the screen 3 to vibrate up and down during the rapid telescopic process, thereby vibrating and screening the materials on the screen 3, so that qualified materials can pass through the screen 3 and fall to the bottom of the screening tank 1;

[0021] A feed port 4 is provided on the outside of the screening tank 1 and is located at the lower side of the connecting plate 2. Materials are directly put into the screen 3 through the feed port 4. A discharge port 5 is provided on the outside of the screening tank 1 and is located at the lower side of the feed port 4. An opening and closing door 14 is provided on the discharge port 5. The driving mechanism can drive the screen 3 to rotate under the cooperation of various components, and unqualified materials can be gradually discharged from the discharge port 5 under the action of centrifugal force.

[0022] A material discharge mechanism is provided at the lower side of the screening tank 1, and qualified materials can be discharged through the material discharge mechanism.

[0023] Embodiment 2: A hexagonal boron nitride screening device comprises a screening tank 1, which is a circular tank. A driving mechanism is vertically arranged on the upper side of the screening tank 1. The driving end of the driving mechanism penetrates into the interior of the screening tank 1 and is connected to a connecting plate 2. The connecting plate 2 is horizontal and coaxially arranged with the screening tank 1. The driving mechanism can drive the connecting plate 2 to rotate in the forward and reverse directions.

[0024] The driving mechanism includes a motor 6 which is arranged vertically and with the driving end facing downwards. The motor 6 is coaxially arranged with the screening tank 1. The motor 6 is a servo motor. The motor 6 is fixed on the screening tank 1. The driving end of the motor 6 penetrates into the screening tank 1 and is connected to the connecting plate 2, so that the motor drives the connecting plate 2 to rotate.

[0025] A telescopic mechanism is vertically arranged at the lower side of the connecting plate 2, and the telescopic mechanism includes a vertical electric telescopic rod 12 with the telescopic end facing downward. A horizontally arranged screen 3 is connected to the lower end of the telescopic mechanism. The screen 3 is coaxial with the screening tank 1 and its side is in contact with the screening tank 1, so as to prevent unqualified materials from leaking from the side of the screen 3 to the bottom of the screen 3. The telescopic mechanism can drive the screen 3 to vibrate up and down during the rapid telescopic process, so as to vibrate and screen the materials on the screen 3, so that qualified materials can pass through the screen 3 and fall to the bottom of the screening tank 1;

[0026] An annular support plate 7 is horizontally provided in the screening tank 1 and is located at the lower side of the connecting plate 2. The telescopic mechanism passes through the annular support plate 7. A fixed ball 8 is provided on the support plate 7. The upper side of the fixed ball 8 contacts the lower side of the connecting plate 2.

[0027] The screen 3 includes a cross bar 9 and a ring 10 which are perpendicular to the lower end of the telescopic mechanism. The four ends of the cross bar 9 are fixed on the inner side of the ring 10. A woven net 11 is provided in the gap between the cross bar 9 and the ring 10.

[0028] A feed port 4 is provided on the outside of the screening tank 1 and is located at the lower side of the connecting plate 2. Materials are directly put into the screen 3 through the feed port 4. A discharge port 5 is provided on the outside of the screening tank 1 and is located at the lower side of the feed port 4. An opening and closing door 14 is provided on the discharge port 5. The driving mechanism can drive the screen 3 to rotate under the cooperation of various components, and unqualified materials can be gradually discharged from the discharge port 5 under the action of centrifugal force.

[0029] A material discharge mechanism is provided at the lower side of the screening tank 1, and the material discharge mechanism includes a material discharge pipe 15, and a valve 16 is provided on the material discharge pipe 15, and qualified materials can be discharged through the material discharge mechanism;

[0030] An observation window 13 is provided on the front of the screening tank 1 to facilitate the staff to observe the progress of the screening work.

[0031] Working principle:

[0032] The material to be screened is put into the screening tank 1 through the feed port 4. Through the setting of the screen 3, the material can fall directly on the screen 3, and then the telescopic mechanism is quickly extended and retracted, so that the material falling on the screen 3 vibrates, so that qualified materials are screened under the screen 3, while unqualified materials are left on the screen 3. The staff can observe the screening progress through the observation window 13. After the screening work is completed, the opening and closing door 14 is opened, and then the screen 3 is driven by the driving mechanism to rotate forward and reverse. Under the action of centrifugal force, the material on the screen 3 is discharged from the screening tank 1 from the discharge port 5, and qualified materials can be discharged through the discharge mechanism.

[0033] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A hexagonal boron nitride screening device, comprising a screening tank (1), characterized in that: A driving mechanism is vertically arranged on the upper side of the screening tank (1), a driving end of the driving mechanism penetrates into the interior of the screening tank (1) and is connected to a connecting plate (2), a telescopic mechanism is vertically arranged on the lower side of the connecting plate (2), a horizontally arranged screen (3) is connected to the lower end of the telescopic mechanism, a feed port (4) is arranged on the outer side of the screening tank (1) and is located below the connecting plate (2), a discharge port (5) is arranged on the outer side of the screening tank (1) and is located below the feed port (4), and a discharge mechanism is arranged on the lower side of the screening tank (1).

2. The hexagonal boron nitride screening device according to claim 1, characterized in that: The driving mechanism comprises a motor (6) arranged vertically with a driving end facing downwards, the motor (6) being fixed on the screening tank (1), and the driving end of the motor (6) passing through the screening tank (1) and connected to the connecting plate (2).

3. The hexagonal boron nitride screening device according to claim 1, characterized in that: An annular support plate (7) is horizontally arranged in the screening tank (1) and is located at the lower side of the connecting plate (2). A fixed ball (8) is arranged on the support plate (7), and the upper side of the fixed ball (8) abuts against the lower side of the connecting plate (2).

4. The hexagonal boron nitride screening device according to claim 1, characterized in that: The screen (3) comprises a cross rod (9) and a circular ring (10) which are perpendicular to the lower end of the telescopic mechanism. The four ends of the cross rod (9) are fixed on the inner side of the circular ring (10). A woven mesh (11) is provided in the gap between the cross rod (9) and the circular ring (10).

5. The hexagonal boron nitride screening device according to claim 1, characterized in that: The telescopic mechanism comprises an electric telescopic rod (12) which is arranged vertically with the telescopic end facing downward.

6. The hexagonal boron nitride screening device according to claim 1, characterized in that: The front side of the screening tank (1) is provided with an observation window (13).

7. The hexagonal boron nitride screening device according to claim 1, characterized in that: The material discharge mechanism comprises a material discharge pipe (15), on which a valve (16) is provided.

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