Internal circulation type silicon carbide micro-powder shaping equipment

Abstract

The utility model discloses internal circulation type silicon carbide micro powder shaping equipment, which belongs to the technical field of silicon carbide particle processing equipment and comprises a first shell, a shaping hopper is fixedly connected onto the inner wall of the first shell, and a material passing port is vertically formed in the middle of the shaping hopper; and the shaping mechanism comprises a motor installed at the upper end of the first shell, the inner top of the first shell is rotationally connected with a first rotating shaft, the upper end of the first rotating shaft penetrates through the inner top of the first shell and is fixedly connected with an output shaft of the motor, and the first rotating shaft is fixedly connected with a conical flow guide block. According to the equipment, aiming at the use problem, a starting motor is matched with a transmission assembly, a conical shaping block and a spiral blade can be driven to rotate, so that silicon carbide particle raw materials are circularly shaped, the product quality is guaranteed, a dust collection mechanism is further arranged, dust generated by shaping can be recycled into a dust collector, and pollution to the surrounding environment is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to silicon carbide particle processing equipment technical field especially relates to a kind of inner loop silicon carbide micro powder shaping equipment. BACKGROUND

[0002] Silicon carbide micro powder is a micron silicon carbide powder, because its excellent high-temperature resistance, corrosion resistance and other physical and chemical properties, it has wide application prospect in many fields, silicon carbide micro powder is usually shaped by shaping equipment during production Silicon carbide particles are shaped;

[0003] The existing silicon carbide micro powder shaping equipment generates some dust during shaping silicon carbide particles, which is scattered from the equipment during discharge, thereby polluting the surrounding environment, and the shaping is usually performed only once, which can easily lead to insufficient shaping of some silicon carbide micro powder, thereby affecting the actual product quality, therefore, to solve these problems, design a kind of inner loop silicon carbide micro powder shaping equipment is we need to consider. UTILITY MODEL CONTENT

[0004] The utility model discloses a kind of inner loop silicon carbide micro powder shaping equipment, it is in view of the use problem, by starting motor cooperation transmission assembly, it can drive conical shaping block and helical blade rotation, to carry out cyclic shaping to silicon carbide particle raw material, guarantee product quality, also set up dust extraction mechanism, it can recycle the dust generated by shaping into dust collector, avoid polluting surrounding environment.

[0005] To achieve the above object, the utility model adopts the following technical scheme:

[0006] A kind of inner loop silicon carbide micro powder shaping equipment, including first shell, the inner wall of the first shell is fixedly connected with shaping hopper, the middle part of the shaping hopper is vertically provided with material passage;Shaping mechanism, the shaping mechanism includes the motor installed on the first shell upper end, the inner top of the first shell is rotatably connected with first rotating shaft, the upper end of the first rotating shaft penetrates the inner top of the first shell, and is fixedly connected with the output shaft of motor, the first rotating shaft is fixedly connected with conical guide block, the first rotating shaft is fixedly connected with conical shaping block;Inner circulation mechanism, the inner circulation mechanism is used to cyclically transport silicon carbide micro powder;Dust extraction mechanism, the dust extraction mechanism is used to absorb the dust generated by shaping.

[0007] Preferably, the inner wall of the first shell is fixedly connected with filter hopper, the first rotating shaft is fixedly connected with scraper, and the scraper cooperates with the filter hopper.

[0008] Preferably, the inner circulation mechanism comprises a second shell arranged at the right side of the first shell, the upper end and the lower end of the second shell are communicated with the first shell through connecting pipes, a second rotating shaft is rotatably connected between the inner top and the inner bottom of the second shell, and helical blades are fixedly connected to the second rotating shaft, the upper end of the second rotating shaft penetrates through the inner top of the second shell and is drivingly connected with the first rotating shaft through a transmission assembly.

[0009] Preferably, the transmission assembly comprises a first belt pulley fixedly connected to the first rotating shaft, and a second belt pulley fixedly connected to the second rotating shaft, and the first belt pulley and the second belt pulley are drivingly connected through a transmission belt.

[0010] Preferably, the dust collection mechanism comprises a ring-shaped hollow plate fixedly connected to the lower end of the shaping hopper, a plurality of dust collection holes are formed in the inner side of the ring-shaped hollow plate, a dust collector is mounted at the upper end of the first shell, and the dust collection end of the dust collector is communicated with the inner cavity of the ring-shaped hollow plate through a dust conveying pipe.

[0011] Preferably, the lower end of the first rotating shaft penetrates through the filtering hopper and is fixedly connected with two stirring rods, a feeding pipe is arranged at the upper end of the first shell, and a discharging pipe is arranged at the upper end of the first shell.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1. The shaping mechanism and the inner circulation mechanism are arranged, the conical guide block and the conical shaping block are driven to rotate by starting the motor, the shaping operation of the silicon carbide particle raw material can be performed in cooperation with the shaping hopper, the second rotating shaft and the helical blades are driven to rotate by the transmission assembly, the shaping operation of the raw material which is not shaped sufficiently can be performed again in cooperation with the filtering hopper and the scraper, only one motor is needed in the whole inner circulation shaping process, the production cost is effectively reduced, and the product quality of the silicon carbide powder is guaranteed.

[0014] 2. The dust collection mechanism is arranged, the dust generated in the shaping operation can be sucked into the ring-shaped hollow plate through the plurality of dust collection holes by starting the dust collector, and finally is recycled into the dust collector, the dust in the equipment is effectively prevented from diffusing into the surrounding environment during discharging and causing pollution, and the working environment is kept clean. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 A structure diagram of the inner circulation type silicon carbide powder shaping equipment is provided for the utility model.

[0016] Figure 2 A sectional view is provided for Figure 1 .

[0017] Figure 3 A sectional view is provided for Figure 2part structure diagram of the shaping mechanism and the internal circulation mechanism.

[0018] Figure 4 part structure diagram of the shaping mechanism and the internal circulation mechanism.

[0019] In the figure: 1 first shell, 2 shaping hopper, 3 motor, 4 first rotating shaft, 5 conical guide block, 6 conical shaping block, 7 filter hopper, 8 scraper, 9 second shell, 10 second rotating shaft, 11 spiral blade, 12 transmission assembly, 13 ring type hollow plate, 14 dust collector, 15 dust conveying pipe, 16 stirring rod, 17 feeding pipe, 18 discharging pipe. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0021] Referring to Figures 1-4 An internal circulation type silicon carbide powder shaping device, comprising a first shell 1, a shaping hopper 2 is fixedly connected to the inner wall of the first shell 1, a material inlet is vertically arranged in the middle of the shaping hopper 2, a filter hopper 7 is fixedly connected to the inner wall of the first shell 1, a plurality of filter holes are arranged on the filter hopper 7, the shaped raw material will pass through and fall into the inner bottom of the first shell 1, the unshaped raw material will be left above and conveyed to the inner bottom of a second shell 9, a feeding pipe 17 is arranged at the upper end of the first shell 1, a discharging pipe 18 is arranged at the upper end of the first shell 1, a valve is arranged in the discharging pipe 18 (in a closed state by default), and the shaped silicon carbide powder can be recycled by opening the valve in the discharging pipe 18;

[0022] The shaping mechanism comprises a motor 3 installed at the upper end of the first shell 1, a first rotating shaft 4 is rotatably connected to the inner top of the first shell 1, the upper end of the first rotating shaft 4 penetrates through the inner top of the first shell 1 and is fixedly connected with the output shaft of the motor 3, a conical guide block 5 is fixedly connected to the first rotating shaft 4, a conical shaping block 6 is fixedly connected to the first rotating shaft 4, the lower end surface of the conical shaping block 6 and the upper end surface of the shaping hopper 2 are both provided with matching shaping lines, the spacing between the lower end surface of the conical shaping block 6 and the upper end surface of the shaping hopper 2 is smaller closer to the first rotating shaft 4, so that the shaping operation of the silicon carbide particle raw material can be realized by controlling the rotation of the conical shaping block 6, a scraper 8 is fixedly connected to the first rotating shaft 4, the scraper 8 cooperates with the filter hopper 7 to accelerate the flow of the raw material on the filter hopper 7 and improve the actual processing efficiency, the lower end of the first rotating shaft 4 penetrates through the filter hopper 7 and is fixedly connected with two stirring rods 16, and the upper end of the discharging pipe 18 can be stirred to avoid blockage during discharging;

[0023] The inner circulation mechanism is used for circulating and conveying the silicon carbide powder, and comprises a second shell 9 arranged at the right side of the first shell 1, the upper end and the lower end of the second shell 9 are communicated with the first shell 1 through connecting pipes, a second rotating shaft 10 is rotatably connected between the inner top and the inner bottom of the second shell 9, a spiral blade 11 is fixedly connected to the second rotating shaft 10, the upper end of the second rotating shaft 10 penetrates through the inner top of the second shell 9 and is drivingly connected with the first rotating shaft 4 through a transmission assembly 12, the transmission assembly 12 comprises a first belt pulley fixedly connected to the first rotating shaft 4, and a second belt pulley fixedly connected to the second rotating shaft 10, and the first belt pulley and the second belt pulley are drivingly connected through a transmission belt;

[0024] The dust suction mechanism is used for absorbing the dust generated in the shaping, and comprises a ring-shaped hollow plate 13 fixedly connected to the lower end of the shaping hopper 2, a plurality of dust suction holes are formed in the inner side of the ring-shaped hollow plate 13, the dust suction holes are only used for the dust generated in the shaping to pass through, a dust collector 14 (which is prior art, and mainly comprises a motor, a filtering system, a dust bag and the like) is mounted at the upper end of the first shell 1, and the dust suction end of the dust collector 14 is communicated with the inner cavity of the ring-shaped hollow plate 13 through a dust conveying pipe 15.

[0025] In use, the motor 3 is started, the first rotating shaft 4, the conical flow guide block 5 and the conical shaping block 6 are synchronously rotated, the silicon carbide particle raw material to be shaped is put into the first shell 1 through the feeding pipe 17, the raw material first contacts the upper end face of the conical flow guide block 5 and flows to the outer side of the shaping hopper 2, then the raw material flows to the middle part of the shaping hopper 2 along the upper end face of the shaping hopper 2, the rotating conical shaping block 6 cooperates with the shaping hopper 2 to efficiently shape the raw material, then the raw material falls to the upper end of the filtering hopper 7 through the material passing opening in the middle part of the shaping hopper 2, the fully shaped raw material falls to the inner bottom of the first shell 1 through the filtering hopper 7, and the remaining raw material which is not fully shaped falls to the inner bottom of the second shell 9 through the lower connecting pipe, the first rotating shaft 4 drives the second rotating shaft 10 and the spiral blade 11 to rotate due to the action of the transmission assembly 12, at this time, the raw material which is not fully shaped is conveyed to the inner bottom of the second shell 9 by the spiral blade 11 and is finally conveyed to the inner top of the first shell 1 through the upper connecting pipe to be shaped again, so that the silicon carbide particle raw material can be circularly shaped by using one motor 3, and the product quality of the silicon carbide powder is ensured.

[0026] In the rotating process of the first rotating shaft 4, the scraper 8 synchronously rotates with the upper end of the filtering hopper 7, the flow speed of the raw material on the upper end of the filtering hopper 7 is improved, the working efficiency of the whole equipment is improved, and the two stirring rods 16 are synchronously rotated, so that the discharge of the silicon carbide powder is prevented from being blocked when the valve in the discharge pipe 18 is opened subsequently.

[0027] It is worth mentioning that in the process of the shaping operation, the worker can start the dust collector 14, so that the dust generated during the shaping of the raw material is absorbed by the plurality of dust suction holes into the ring-shaped hollow plate 13 when passing through the material outlet, and is finally transported into the dust bag of the dust collector 14 through the dust conveying pipe 15, so that the dust in the equipment during the subsequent discharge is avoided to be discharged to cause pollution to the surrounding environment.

[0028] The above merely describes a preferred specific implementation manner of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. An internal circulation silicon carbide micro powder shaping device, characterized in that, The utility model relates to a carbon silicon micro powder shaping device, which comprises the following: A first shell (1) is fixedly connected with a shaping hopper (2) on the inner wall of the first shell (1), and a material inlet is vertically formed in the middle of the shaping hopper (2); A shaping mechanism is installed on the upper end of the first shell (1), the inner top of the first shell (1) is rotatably connected with a first rotating shaft (4), the upper end of the first rotating shaft (4) penetrates through the inner top of the first shell (1) and is fixedly connected with the output shaft of the motor (3), a conical flow guide block (5) is fixedly connected on the first rotating shaft (4), and a conical shaping block (6) is fixedly connected on the first rotating shaft (4); An internal circulation mechanism is used to circulate and convey the carbon silicon micro powder; A dust suction mechanism is used to suck the dust generated during shaping.

2. The apparatus according to claim 1, wherein The inner wall of the first shell (1) is fixedly connected with a filter hopper (7), and a scraper (8) is fixedly connected on the first rotating shaft (4) and cooperates with the filter hopper (7).

3. The apparatus according to claim 1, wherein The internal circulation mechanism comprises a second shell (9) arranged on the right side of the first shell (1), the upper and lower ends of the second shell (9) are communicated with the first shell (1) through connecting pipes, a second rotating shaft (10) is rotatably connected between the inner top and the inner bottom of the second shell (9), a helical blade (11) is fixedly connected on the second rotating shaft (10), the upper end of the second rotating shaft (10) penetrates through the inner top of the second shell (9) and is drivingly connected with the first rotating shaft (4) through a transmission assembly (12).

4. The apparatus according to claim 3, wherein The transmission assembly (12) comprises a first belt pulley fixedly connected on the first rotating shaft (4), a second belt pulley fixedly connected on the second rotating shaft (10), and the first belt pulley and the second belt pulley are drivingly connected through a transmission belt.

5. The apparatus according to claim 1, wherein The dust suction mechanism comprises a ring-shaped hollow plate (13) fixedly connected on the lower end of the shaping hopper (2), a plurality of dust suction holes are formed in the inner side of the ring-shaped hollow plate (13), a dust collector (14) is installed on the upper end of the first shell (1), and the dust suction end of the dust collector (14) is communicated with the inner cavity of the ring-shaped hollow plate (13) through a dust conveying pipe (15).

6. The apparatus according to claim 1, wherein The lower end of the first rotating shaft (4) penetrates through the filter hopper (7) and is fixedly connected with two stirring rods (16), a feeding pipe (17) is arranged on the upper end of the first shell (1), and a discharging pipe (18) is arranged on the upper end of the first shell (1).

Images