Silicon nitride granulating device

Abstract

The utility model relates to the technical field of silicon nitride granulation, and discloses a silicon nitride granulation device which comprises a mounting plate, a screening box, a mounting groove, a treatment tank, a cover plate, a stirring device, an opening and closing mechanism and a screening device, the screening box is fixedly connected to the bottom of the mounting plate, the mounting groove is formed in the upper end of the mounting plate, and the treatment tank is arranged in the mounting groove. The treatment tank is fixedly connected to the interior of the mounting groove, the cover plate is arranged at the upper end of the treatment tank, the stirring device is arranged in the treatment tank, the opening and closing mechanism is arranged in the mounting plate, and the screening device is arranged in the screening box. According to the silicon nitride granulation device, by arranging the opening and closing mechanism, the bottom of the mounting groove can be opened and closed by controlling rotation of the sealing cover, so that automatic discharging can be performed after granulation is completed, manual discharging is not needed, the discharging speed is high, discharging is clean and sufficient, and the production efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of silicon nitride granulation, in particular to a silicon nitride granulation device. Background Art

[0002] Silicon nitride is an inorganic substance with the chemical formula Si3N4. It is an important structural ceramic material with high hardness, inherent lubricity, wear resistance, and is an atomic crystal; it is resistant to oxidation at high temperatures. It can also resist thermal shocks and will not break even if it is heated to more than 1000°C in the air, cooled rapidly, and then heated rapidly. It is precisely because silicon nitride ceramics have such excellent properties that people often use it to manufacture mechanical components such as bearings, turbine blades, mechanical seal rings, and permanent molds.

[0003] For example, Chinese patent: CN116116317A, the technical solution disclosed in this patent is as follows: a silicon nitride granulation device, including a granulation tower and a spray mechanism, also including a transfer plate and an agitator, the transfer plate is arranged on the inner wall of the granulation tower and spirally arranged around the axis of the granulation tower, and the transfer plate is located below the spray mechanism, the agitator is inserted into the spirally arranged transfer plate along the axis of the granulation tower, and the beads can be rolled downward along the spiral transfer plate on the transfer plate under the action of air swirl during hot air drying, the formed powder particles are more compact, higher in strength, more regular in shape, better in surface smoothness, and closer in shape to a sphere, which is more conducive to the production of silicon nitride microspheres with small diameters, especially micrometer-level.

[0004] However, in actual use, silicon carbide particles still need to be screened before they can be put into use after being manufactured. Therefore, a device that can perform screening and manufacturing simultaneously can be proposed to improve production efficiency. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] In view of the deficiencies in the prior art, the utility model provides a silicon nitride granulation device.

[0007] (II) Technical solution

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a silicon nitride granulation device, comprising a mounting plate, a screening box, a mounting groove, a processing tank, a cover plate, a stirring device, an opening and closing mechanism, and a screening device, wherein the screening box is fixedly connected to the bottom of the mounting plate, the mounting groove is opened at the upper end of the mounting plate, the processing tank is fixedly connected to the inside of the mounting groove, the cover plate is arranged at the upper end of the processing tank, the stirring device is arranged inside the processing tank, the opening and closing mechanism is arranged inside the mounting plate, and the screening device is arranged inside the screening box; the opening and closing mechanism comprises a accommodating chamber, a fixed column, a cover, a half gear, an annular plate, a tooth block, a side groove, a motor A, a transmission rod, an arc-shaped tooth plate, and a full gear; the accommodating chamber is opened inside the mounting plate, the fixed column is fixedly connected to the inside of the accommodating chamber, the cover is rotatably connected to the outside of the fixed column, the half gear is fixedly connected to the outside of the cover, the annular plate is rotatably connected to the inner wall of the accommodating chamber, the tooth block is fixedly connected to the inner side of the annular plate, the half gear is meshed with the annular plate through the tooth block, and the side groove is opened on the side of the mounting plate.

[0009] Preferably, the motor A is fixedly connected to the outer wall of the screening box, the transmission rod is fixedly connected to the output end of the motor A, the arc-shaped tooth plate is fixedly connected to the outer wall of the annular plate, the full gear is fixedly connected to the top of the transmission rod, and the arc-shaped tooth plate is meshed with the full gear.

[0010] Preferably, four sealing covers are provided and the four sealing covers form a circle.

[0011] (III) Beneficial effects

[0012] Compared with the prior art, the utility model provides a silicon nitride granulation device, which has the following beneficial effects:

[0013] 1. The silicon nitride granulation device, by setting an opening and closing mechanism, can realize opening and closing of the bottom of the installation groove by controlling the rotation of the cover, so that the material can be automatically discharged after the granulation is completed, without manual discharge, the discharge speed is fast and the discharge is clean and sufficient, thereby improving the production efficiency.

[0014] 2. The silicon nitride granulation device can screen out qualified silicon nitride particles by setting a screening device, and can also clean and knock the filter screen to ensure the permeability and screening effect of the filter screen. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the top cross-sectional structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the utility model;

[0019] Figure 4 This is a front sectional structural schematic diagram of the utility model;

[0020] Figure 5 For this utility model Figure 2 The enlarged structural diagram at A in the middle;

[0021] Figure 6 For this utility model Figure 4 Enlarged structural diagram at B in the middle.

[0022] In the figure: 1. mounting plate; 2. screening box; 3. mounting groove; 4. processing tank; 5. cover plate; 601. motor B; 602. stirring rod; 603. stirring plate; 701. accommodating chamber; 702. fixing column; 703. sealing cover; 704. half gear; 705. annular plate; 706. tooth block; 708. side groove; 709. motor A; 710. transmission rod; 711. arc tooth plate; 712. full gear; 801. fixing frame; 802. filter screen; 803. worm A; 804. worm wheel A; 805. rotating rod; 806. knocking rod; 807. worm B; 808. worm wheel B; 809. reciprocating screw; 810. moving block; 811. brush plate. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0024] Example 1

[0025] like Figure 1-6As shown, the utility model provides a silicon nitride granulation device, including a mounting plate 1, a screening box 2, a mounting groove 3, a processing tank 4, a cover plate 5, a stirring device, an opening and closing mechanism, and a screening device. The screening box 2 is fixedly connected to the bottom of the mounting plate 1, the mounting groove 3 is opened at the upper end of the mounting plate 1, the processing tank 4 is fixedly connected to the inside of the mounting groove 3, the cover plate 5 is arranged at the upper end of the processing tank 4, the stirring device is arranged inside the processing tank 4, the opening and closing mechanism is arranged inside the mounting plate 1, and the screening device is arranged inside the screening box 2; the opening and closing mechanism includes a accommodating cavity 701, a fixing column 702, a sealing cover 703, a half gear 704, a ring shaped plate 705, tooth block 706, side groove 708, motor A709, transmission rod 710, arc-shaped tooth plate 711, full gear 712; the accommodating chamber 701 is opened inside the mounting plate 1, the fixing column 702 is fixedly connected inside the accommodating chamber 701, the sealing cover 703 is rotatably connected to the outside of the fixing column 702, the half gear 704 is fixedly connected to the outside of the sealing cover 703, the annular plate 705 is rotatably connected to the inner wall of the accommodating chamber 701, the tooth block 706 is fixedly connected to the inner side of the annular plate 705, the half gear 704 is meshed with the annular plate 705 through the tooth block 706, and the side groove 708 is opened on the side of the mounting plate 1.

[0026] Preferably, the motor A709 is fixedly connected to the outer wall of the screening box 2, the transmission rod 710 is fixedly connected to the output end of the motor A709, the arc-shaped tooth plate 711 is fixedly connected to the outer wall of the annular plate 705, the full gear 712 is fixedly connected to the top of the transmission rod 710, and the arc-shaped tooth plate 711 is meshed with the full gear 712.

[0027] Preferably, four sealing covers 703 are provided and the four sealing covers 703 form a circle.

[0028] In this embodiment, by setting up an opening and closing mechanism, the bottom of the mounting groove 3 can be opened and closed by controlling the rotation of the cover 703, so that automatic discharging can be carried out after granulation is completed without manual discharging, and the discharging speed is fast and the discharging is clean and sufficient, thereby improving production efficiency.

[0029] Example 2

[0030] like Figure 3-5As shown, on the basis of Example 1, the utility model provides a technical solution: preferably, the screening device is provided with a fixed frame 801, the fixed frame 801 is fixedly connected to the inside of the screening box 2, the fixed frame 801 is provided with a filter screen 802, the outer fixed sleeve of the transmission rod 710 is provided with a worm A803 and a worm B807, the sides of the worm A803 and the worm B807 are respectively meshed with worm wheels A804 and worm wheels B808, the middle parts of the worm wheels A804 and B808 are respectively fixedly connected with a rotating rod 805 and a reciprocating screw 809, the outer wall fixed sleeve of the rotating rod 805 is provided with a knocking rod 806, the outer wall of the reciprocating screw 809 is threadedly connected with a moving block 810, and the bottom of the moving block 810 is fixedly connected with a brush plate 811.

[0031] Preferably, two sides of the brush plate 811 are slidably connected to the inner wall of the fixed frame 801 .

[0032] Preferably, the stirring device comprises a motor B601 , which is fixedly connected to the upper end of the cover plate 5 , the output end of the motor B601 is fixedly connected to a stirring rod 602 , and the outer wall of the stirring rod 602 is fixedly connected to a stirring plate 603 .

[0033] In this embodiment, by providing a screening device, qualified silicon nitride particles can be screened out, and the filter screen 802 can be cleaned and knocked at the same time to ensure the permeability and screening effect of the filter screen 802.

[0034] The working principle of this silicon nitride granulation device is described in detail below.

[0035] like Figure 1-6As shown, when in use, first place the granulation powder into the processing tank 4, then start the motor B601 to drive the stirring rod 602 and the stirring plate 603 to rotate, thereby driving the granulation powder to rotate and then form granules. After the granulation is formed, start the motor A709 to drive the transmission rod 710 to rotate, and then the full gear 712 will rotate accordingly, then the arc-shaped tooth plate 711 meshing therewith will drive the annular plate 705 to rotate, and then under the action of the tooth block 706, it will drive the half gear 704 to rotate, and then drive the cover 703 to rotate around the fixed column 702. After the cover 703 is opened, the silicon nitride particles will fall out. It falls into the interior of the screening box 2 and then falls to the upper end of the filter screen 802. At the same time, when the transmission rod 710 rotates, the worm A803 and the worm B807 will rotate accordingly, and then drive the worm wheel A804 and the worm wheel B808 to rotate respectively under the meshing action, and then the worm wheel B808 will drive the reciprocating screw 809 to rotate, then the moving block 810 with its external threaded connection will move back and forth left and right, thereby driving the brush plate 811 to clean the filter screen 802, and at the same time, the worm wheel A804 will drive the rotating rod 805 to rotate, and then the knocking rod 806 will rotate accordingly, thereby knocking the bottom of the filter screen 802.

Claims

1. A silicon nitride granulation device, comprising a mounting plate (1), a screening box (2), a mounting groove (3), a processing tank (4), a cover plate (5), a stirring device, an opening and closing mechanism, and a screening device, characterized in that: The screening box (2) is fixedly connected to the bottom of the mounting plate (1), the mounting groove (3) is opened at the upper end of the mounting plate (1), the processing tank (4) is fixedly connected inside the mounting groove (3), the cover plate (5) is arranged at the upper end of the processing tank (4), the stirring device is arranged inside the processing tank (4), the opening and closing mechanism is arranged inside the mounting plate (1), and the screening device is arranged inside the screening box (2); The opening and closing mechanism comprises a containing cavity (701), a fixing column (702), a cover (703), a half gear (704), an annular plate (705), a tooth block (706), a side groove (708), a motor A (709), a transmission rod (710), an arc-shaped tooth plate (711), and a full gear (712); The accommodating chamber (701) is opened inside the mounting plate (1), the fixing column (702) is fixedly connected inside the accommodating chamber (701), the sealing cover (703) is rotatably connected to the outside of the fixing column (702), the half gear (704) is fixedly connected to the outside of the sealing cover (703), the annular plate (705) is rotatably connected to the inner wall of the accommodating chamber (701), the tooth block (706) is fixedly connected to the inner side of the annular plate (705), the half gear (704) is meshed with the annular plate (705) through the tooth block (706), and the side groove (708) is opened on the side of the mounting plate (1).

2. A silicon nitride granulation device according to claim 1, characterized in that: The motor A (709) is fixedly connected to the outer wall of the screening box (2), the transmission rod (710) is fixedly connected to the output end of the motor A (709), the arc-shaped toothed plate (711) is fixedly connected to the outer wall of the annular plate (705), the full gear (712) is fixedly connected to the top of the transmission rod (710), and the arc-shaped toothed plate (711) is meshed with the full gear (712).

3. A silicon nitride granulation device according to claim 1, characterized in that: The sealing covers (703) are provided in four numbers and the four sealing covers (703) form a circle.

4. A silicon nitride granulation device according to claim 1, characterized in that: The screening device is provided with a fixed frame (801), the fixed frame (801) is fixedly connected to the inside of the screening box (2), a filter screen (802) is provided inside the fixed frame (801), a worm A (803) and a worm B (807) are provided on the outer fixed sleeve of the transmission rod (710), the side surfaces of the worm A (803) and the worm B (807) are respectively meshed with a worm wheel A (804) and a worm wheel B (808), the middle parts of the worm wheel A (804) and the worm wheel B (808) are respectively fixedly connected with a rotating rod (805) and a reciprocating screw rod (809), the outer wall fixed sleeve of the rotating rod (805) is provided with a knocking rod (806), the outer wall of the reciprocating screw rod (809) is threadedly connected with a moving block (810), and the bottom of the moving block (810) is fixedly connected with a brush plate (811).

5. A silicon nitride granulation device according to claim 4, characterized in that: Both sides of the brush plate (811) are slidably connected to the inner wall of the fixed frame (801).

6. A silicon nitride granulation device according to claim 1, characterized in that: The stirring device comprises a motor B (601), wherein the motor B (601) is fixedly connected to the upper end of the cover plate (5), the output end of the motor B (601) is fixedly connected to a stirring rod (602), and the outer wall of the stirring rod (602) is fixedly connected to a stirring plate (603).

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