Stirring structure for preparing silicon carbide ceramic

Abstract

The utility model discloses a stirring structure for silicon carbide ceramic preparation, and relates to the technical field of silicon carbide ceramic preparation. The device comprises a mixing barrel, the upper part of the peripheral side wall of the mixing barrel is sleeved with a connecting seat, the upper surface of the mixing barrel is provided with a feeding assembly, the feeding assembly comprises a screw cap in threaded connection with the upper surface of a storage barrel, the storage barrel is rotationally connected with the inner upper part of the mixing barrel, and the upper end of a rotating shaft connected with the middle part of the upper surface of the screw cap is connected with a motor; a stirring assembly is arranged on the lower surface of the mixing barrel. According to the silicon carbide ceramic raw material mixing device, the feeding assembly is arranged, silicon carbide ceramic raw materials can be conveniently added into the mixing barrel in a dispersed mode, then the silicon carbide ceramic raw materials can be evenly mixed in the later period, the stirring assembly is arranged, the silicon carbide ceramic raw materials in the mixing barrel are mixed, and gas is guided into a stirring rod through a gas pump; the gas passes through the gas outlet to clean residual silicon carbide ceramic raw materials on the stirring rod, so that the workload of cleaning the stirring rod in the later period is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to silicon carbide ceramic preparation technical field, especially, relate to a stirring structure for silicon carbide ceramic preparation. BACKGROUND

[0002] Silicon carbide ceramic refers to a kind of high-performance inorganic non-metallic materials, mainly by silicon and carbon;In the preparation process of silicon carbide ceramic, stirring structure is needed to be used to the stirring mixing of different kinds of silicon carbide ceramic raw materials, to achieve the purpose of increasing the quality of silicon carbide ceramic preparation.

[0003] Through the retrieval, in the patent announcement No.CN218342456U patent literature discloses a kind of raw material mixing device for silicon carbide ceramic production, including shell, shell is communicated with feed hopper, multiple groups of parallel distribution's supporting plate are fixedly installed in the shell, supporting plate is set to semicircular structure, multiple groups of stirring shafts are rotatably installed in the shell, the axis of stirring shaft coincides with the axis of the cylinder of supporting plate, multiple groups of linearly spaced distribution's stirring rod are fixedly installed on stirring shaft. Compared with prior art, its beneficial effects are: can push raw material to fly out to outside, so that the raw material that flies out on both sides can collide and mix mutually, different raw materials can be repeatedly pushed to collide and mix, realize the circulation mixing of raw material, increase the fluidity of raw material, avoid to produce mixing dead angle, so that raw material can be better mixed together, improve the uniformity of raw material mixing, it is favorable to subsequent production and use.

[0004] The raw material mixing device for producing silicon carbide ceramics has a feeding hopper communicated with the shell, a plurality of groups of support plates fixedly installed in the shell and arranged in parallel, the support plates being arranged in a semicircular structure, a plurality of groups of stirring shafts rotatably installed in the shell, the axes of the stirring shafts coinciding with the axes of the cylinders in which the support plates are arranged, a plurality of groups of stirring rods fixedly installed on the stirring shafts and arranged in a linear interval, and a power assembly fixedly connected with the stirring shafts and arranged on the outer surface of the shell, raw materials are conveyed into the shell through the feeding hopper, the raw materials fall onto the support plates after entering the shell, then the stirring shafts are driven to rotate by the power assembly and rotate in opposite directions, the stirring shafts connected with the power assembly rotate in a counterclockwise direction during stirring, then the stirring shafts drive the stirring rods to rotate, the stirring rods can push the raw materials on the support plates to flow when the stirring rods rotate, the raw materials on the stirring rods can fly outward after the stirring rods rotate to leave the areas in which the support plates are arranged, the raw materials flying outward on the two sides can collide with each other to be mixed, then the raw materials fall onto the support plates again under the action of gravity, the raw materials are repeatedly pushed by the stirring rods to collide and mix, the flowability of the raw materials is improved, the mixing dead angle is avoided, the raw materials can be better mixed together, the uniformity of the raw material mixing is improved, and the mixing is completed, however, only the silicon carbide ceramic raw materials are introduced into the shell through the feeding hopper, the silicon carbide ceramic raw materials are centrally put, and the mixing of different types of silicon carbide ceramic raw materials is inconvenient; and the silicon carbide ceramic raw materials are mixed by the stirring rods, the silicon carbide ceramic raw materials can be left on the stirring rods, and the stirring rods are inconvenient to clean, and the workload of cleaning the stirring rods is increased.

[0005] Therefore, the present application provides a stirring structure for preparing silicon carbide ceramics to solve the above problems. The utility model discloses a stirring structure for preparing silicon carbide ceramics

[0006] The utility model discloses a stirring structure for preparing silicon carbide ceramics, which is convenient to introduce different types of silicon carbide ceramic raw materials into the mixing barrel in a dispersed manner, facilitating the mixing of silicon carbide ceramic raw materials in the later stage, and improving the preparation quality of silicon carbide ceramics. The stirring assembly is arranged to stir and mix the silicon carbide ceramic raw materials in the mixing barrel, and the gas pump is used to introduce gas into the stirring rod. The gas is discharged through the air holes, thereby cleaning the residual silicon carbide ceramic raw materials on the stirring rod, reducing the workload of cleaning the stirring rod in the later stage, and solving the technical problems raised in the background art of the above-mentioned silicon carbide ceramic raw material mixing device.

[0007] To solve the above technical problems, the present application is implemented by the following technical solutions:

[0008] The utility model discloses a stirring structure for silicon carbide ceramic preparation, including the mixing bucket, the upper portion of the circumference lateral wall of mixing bucket is sleeved with the connecting seat, the upper surface of mixing bucket is provided with feeding assembly, the feeding assembly includes the screw cap of screwing on the upper surface of storage cylinder, the inner upper portion of mixing bucket is rotatably connected with storage cylinder, the upper end of the rotation axis connected in the upper surface middle portion of screw cap is connected with motor, the lower surface of the frame connected on the upper end surface of motor is arranged on the upper surface of connecting seat, the lower surface of mixing bucket is provided with stirring assembly, the stirring assembly includes the stirring rod of connecting on the circumference lateral wall of stirring shaft, the lower surface middle portion of storage cylinder is connected with the upper end of stirring shaft, the lower surface of mixing bucket is rotatably connected with the lower end of stirring shaft, the lower surface of the connecting cover of screwing on the lower end of stirring shaft is communicated with the communicating pipe, the end surface of the air pump communicated with the lower end of communicating pipe is communicated with the air inlet pipe, the setting seat connected on the side wall of air pump is connected on the lower surface of mixing bucket, and the circumference lateral wall of stirring rod is provided with the air outlet hole.

[0009] The utility model further sets up, the sleeve seat of circumference lateral wall of mixing bucket is located below connecting seat, and the outer circumference lateral wall of sleeve seat is connected with support in annular array.

[0010] The utility model further sets up, the valve is connected on the circumference lateral wall of connecting pipe communicated with the lower surface of mixing bucket, the end surface of the pumping pump communicated with the lower end of connecting pipe is communicated with the discharge pipe, and the pump seat connected on the side wall of pumping pump is connected on the lower surface of mixing bucket.

[0011] The utility model further sets up, the frame is U shape, the lower surface of frame is symmetrically fixed with the lower end of convex rod and is passed through the upper surface of connecting seat, and the nut of screwing on the circumference lateral wall of convex rod is arranged on the lower surface of connecting seat.

[0012] The utility model further sets up, the upper surface of screw cap is communicated with feeding hopper in annular array, and the screw plug is screwed on the upper surface of feeding hopper.

[0013] The utility model further sets up, the inner bottom of storage cylinder is fixed with the baffle and is cross-shaped, and the baffle divides the internal space of storage cylinder into four storage cavities.

[0014] The utility model further sets up, the lower surface of storage cylinder is communicated with discharge pipe in annular array, and the electromagnetic valve is connected on the circumference lateral wall of discharge pipe.

[0015] The utility model further sets up, and the stirring shaft is open type structure at the lower end, and the end of stirring rod and stirring shaft connection is open type structure.

[0016] The utility model has the following beneficial effects:

[0017] 1. The utility model discloses a feed assembly is set up, and the different kinds of silicon carbide ceramic raw materials are guided into the inside of different storage cavities through the feed hopper, and the motor is started, and the rotation of the rotating shaft drives the rotation of the storage cylinder, and then the rotation adjusts the position of the discharge pipe, and then the silicon carbide ceramic raw materials are discharged on different positions, and the different kinds of silicon carbide ceramic raw materials are dispersed into the inside of the mixing bucket, and then it is beneficial to the uniformity of the mixing of different kinds of silicon carbide ceramic raw materials in the later stage, and then it is beneficial to the improvement of the silicon carbide ceramic preparation quality.

[0018] 2. The utility model discloses a stirring assembly is set up, and the rotating storage cylinder drives the rotation of the stirring shaft and stirring rod, and then the silicon carbide ceramic raw materials in the inside of the mixing bucket are stirred and mixed, and the gas pump is started, and the gas is guided into the inside of the stirring shaft through the air inlet pipe, gas pump and communication pipe, and the gas in the inside of the stirring shaft enters the inside of the stirring rod, and the gas in the inside of the stirring rod is discharged through the air outlet hole, and then the residual silicon carbide ceramic raw materials on the stirring rod are cleaned, and the silicon carbide ceramic raw materials are blown, and then the silicon carbide ceramic raw materials remaining on the stirring rod are reduced, and then the work load of the cleaning of the stirring rod in the later stage is reduced, and the uniformity of the mixing of the silicon carbide ceramic raw materials is further improved.

[0019] Of course, it is not necessary to achieve all the advantages described above when implementing any product of the utility model. DRAWINGS

[0020] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description.

[0021] Figure 1 It is a kind of silicon carbide ceramic preparation and stirring structure's three-dimensional schematic Figure 1 ;

[0022] Figure 2 It is a kind of silicon carbide ceramic preparation and stirring structure's three-dimensional schematic Figure 2 ;

[0023] Figure 3 It is the inside structure schematic drawing of mixing bucket;

[0024] Figure 4 It is the exploded schematic drawing of screw cover, storage cylinder and mixing bucket;

[0025] Figure 5 It is the inside structure schematic drawing of storage cylinder.

[0026] In the drawings, the component list represented by each sign is as follows:

[0027] 1-mixing barrel, 101-housing, 101a-bracket, 102-connection seat, 103-extraction pump, 103a-discharge pipe, 103b-pump seat, 103c-valve, 103d-connection pipe, 2-feeding assembly, 201-frame, 201a-motor, 201b-rotating shaft, 201c-convex rod, 201d-nut, 202-screw cover, 203-feeding hopper, 203a-screw plug, 204-storage cylinder, 204a-baffle, 204b-storage cavity, 205-discharge pipe, 205a-solenoid valve, 3-stirring assembly, 301-air pump, 301a-mounting seat, 301b-air inlet pipe, 301c-communication pipe, 301d-connection cover, 302-stirring shaft, 302a-stirring rod, 302b-air outlet hole. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0029] Embodiment 1

[0030] Please refer to Figure 1 and Figure 2 The present application is a stirring structure for preparing silicon carbide ceramics, which comprises a mixing barrel 1, a housing 101, a connection seat 102 and an extraction pump 103. The extraction pump 103 is arranged to discharge the mixed raw materials of silicon carbide ceramics in the mixing barrel 1. The mixing barrel 1 is arranged to stir and mix different kinds of raw materials of silicon carbide ceramics.

[0031] Specifically, the housing 101 is sleeved on the outer peripheral sidewall of the mixing barrel 1, and the outer peripheral sidewall of the housing 101 is fixedly connected with a bracket 101a. The connection seat 102 is sleeved on the outer peripheral sidewall of the mixing barrel 1, and the connection seat 102 is located above the housing 101. The pump seat 103b connected to the sidewall of the extraction pump 103 is connected to the lower surface of the mixing barrel 1. The upper end of the connection pipe 103d communicated with one end surface of the extraction pump 103 is communicated with the lower surface of the mixing barrel 1. The valve 103c is connected to the peripheral sidewall of the connection pipe 103d. The discharge pipe 103a is communicated with the other end surface of the extraction pump 103.

[0032] Further, the three brackets 101a are arranged in a ring array.

[0033] The operation process of the embodiment is that the worker opens the valve 103c, starts the pumping pump 103, and the mixed silicon carbide ceramic mixed raw materials in the mixing barrel 1 enter the inside of the connecting pipe 103d, and the silicon carbide ceramic mixed raw materials in the connecting pipe 103d are discharged through the pumping pump 103 and the discharge pipe 103a.

[0034] Embodiment 2

[0035] Please refer to Figure 1 、 Figure 3 、 Figure 4 and Figure 5 , on the basis of the specific embodiment one, the feeding assembly 2 is provided, which comprises a rack 201, a motor 201a, a shaft 201b, a convex rod 201c, a nut 201d, a screw cap 202, a feeding hopper 203, a screw plug 203a, a storage cylinder 204, a partition plate 204a, a discharge pipe 205 and a solenoid valve 205a. The feeding hopper 203 is arranged to add silicon carbide ceramic raw materials into the storage cylinder 204. The motor 201a is controlled to rotate to adjust the position of the discharge pipe 205, so as to discharge the silicon carbide ceramic raw materials at different positions, thereby facilitating the mixing of multiple silicon carbide ceramic raw materials in the later stage.

[0036] Specifically, the lower surface of the rack 201 is fixedly connected with the convex rod 201c, the lower end of the convex rod 201c penetrates through the upper surface of the connecting seat 102, and the peripheral sidewall of the convex rod 201c is threadedly connected with the nut 201d, which is located on the lower surface of the connecting seat 102. The storage cylinder 204 is rotatably arranged at the inner upper portion of the mixing barrel 1, and the upper surface of the storage cylinder 204 is threadedly connected with the screw cap 202. The upper surface of the screw cap 202 is connected with the shaft 201b, the upper end of the shaft 201b is connected with the motor 201a, and the upper end surface of the motor 201a is connected to the inner top portion of the rack 201. The upper surface of the screw cap 202 is communicated with the feeding hopper 203, the upper surface of the feeding hopper 203 is threadedly connected with the screw plug 203a, the inner bottom portion of the storage cylinder 204 is fixedly connected with the partition plate 204a, the partition plate 204a divides the internal space of the storage cylinder 204 into different storage cavities 204b, and the lower surface of the storage cylinder 204 is communicated with the discharge pipe 205, and the peripheral sidewall of the discharge pipe 205 is connected with the solenoid valve 205a.

[0037] Further, the rack 201 is in U shape, the two convex rods 201c are symmetrically arranged, the feeding hopper 203 is arranged in annular array, the partition plate 204a is in cross shape, the storage cavities 204b are arranged in annular array, and the discharge pipes 205 are arranged in annular array.

[0038] The operation process of the embodiment is as follows: the worker screws off the screw plug 203a clockwise, puts different types of silicon carbide ceramic raw materials into different storage cavities 204b in sequence, rotates the screw plug 203a counterclockwise, rethreads the feeding hopper 203, starts the motor 201a, rotates the rotating shaft 201b, rotates the screw cap 202, rotates the storage cylinder 204, rotates the discharge pipe 205, opens the electromagnetic valve 205a, and makes the silicon carbide ceramic raw materials in the different storage cavities 204b enter the inside of the mixing barrel 1 through different discharge pipes 205 and be discharged at different positions.

[0039] Embodiment 3

[0040] Please refer to Figure 2 and Figure 3 On the basis of the specific embodiment one and the specific embodiment two, the stirring assembly 3 is provided, which comprises the air pump 301, the mounting seat 301a, the air inlet pipe 301b, the communication pipe 301c, the connecting cover 301d, the stirring shaft 302, the stirring rod 302a and the air outlet hole 302b. The stirring shaft 302 rotates with the stirring rod 302a to stir and mix the silicon carbide ceramic raw materials in the inside of the mixing barrel 1, and the air pump 301 is controlled to guide the external gas into the inside of the stirring rod 302a, and the gas in the inside of the stirring rod 302a is discharged through the air outlet hole 302b, so as to clean the residual silicon carbide ceramic raw materials on the stirring rod 302a, and the silicon carbide ceramic raw materials can be blown, and the mixing uniformity of the silicon carbide ceramic raw materials in the inside of the mixing barrel 1 is further improved;

[0041] Specifically, the mounting seat 301a is connected to the lower surface of the mixing barrel 1, and the lower surface of the mounting seat 301a is connected with the air pump 301. One end surface of the air pump 301 is communicated with the upper end of the communication pipe 301c, and the other end of the air pump 301 is communicated with the air inlet pipe 301b. The upper end of the stirring shaft 302 is connected to the lower surface of the middle part of the storage cylinder 204. The stirring rod 302a is communicated with the circumferential wall of the stirring shaft 302. The air outlet hole 302b is arranged on the circumferential wall of the stirring rod 302a.

[0042] Further, the stirring shaft 302 is of an open lower end structure, and the stirring rod 302a is of an open one end structure.

[0043] The operation process of the embodiment is as follows: in the rotating process of the storage cylinder 204, the stirring shaft 302 is driven to rotate, the stirring rod 302a is driven to rotate, the rotating stirring shaft 302 and the stirring rod 302a are used for stirring and mixing the silicon carbide ceramic raw materials entering the inside of the mixing barrel 1, and the air pump 301 is opened, the external gas enters the inside of the stirring shaft 302 through the air inlet pipe 301b, the air pump 301 and the communication pipe 301c, the gas in the inside of the stirring shaft 302 enters the inside of the stirring rod 302a, the gas in the inside of the stirring rod 302a is discharged through the air outlet hole 302b, and the silicon carbide ceramic raw materials remaining on the stirring rod 302a are cleaned.

[0044] In the description of the present specification, the description referring to the terms "one embodiment", "an example", "a specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0045] The preferred embodiments of the present application disclosed above are only used to help explain the present application. The preferred embodiments do not describe all the details, nor limit the present application to the specific embodiments described. Obviously, according to the content of the present specification, many modifications and changes can be made. The present specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present application, so that the persons skilled in the art can well understand and utilize the present application. The present application is limited by the claims and the entire scope and equivalents thereof.

Claims

1. A stirring structure for preparing silicon carbide ceramics, comprising a mixing bucket (1), a connecting seat (102) being sleeved on the upper part of the circumferential side wall of the mixing bucket (1), characterized in that: The upper surface of the mixing barrel (1) is provided with a feeding assembly (2), which comprises a screw cover (202) screwed on the upper surface of a storage cylinder (204), the storage cylinder (204) is rotationally connected to the inner upper part of the mixing barrel (1), the upper end of the rotation shaft (201b) connected to the middle of the upper surface of the screw cover (202) is connected with a motor (201a), and the lower surface of the frame (201) connected to the upper end surface of the motor (201a) is arranged on the upper surface of the connecting seat (102). The lower surface of the mixing barrel (1) is provided with a stirring assembly (3), which comprises a stirring rod (302a) connected to the peripheral sidewall of a stirring shaft (302), the upper end of the stirring shaft (302) is connected to the middle of the lower surface of the storage cylinder (204), the lower end of the stirring shaft (302) is rotationally connected to the lower surface of the mixing barrel (1), the lower surface of the connecting cover (301d) screwed to the lower end of the stirring shaft (302) is communicated with a communication pipe (301c), the end surface of the air pump (301) communicated with the lower end of the communication pipe (301c) is communicated with an air inlet pipe (301b), the mounting seat (301a) connected to the sidewall of the air pump (301) is connected to the lower surface of the mixing barrel (1), and the peripheral sidewall of the stirring rod (302a) is provided with an air outlet hole (302b).

2. The stirring structure for preparing silicon carbide ceramics according to claim 1, characterized in that: The sleeve seat (101) sleeved on the peripheral sidewall of the mixing barrel (1) is located below the connecting seat (102), and the support (101a) is connected to the peripheral sidewall of the sleeve seat (101) in an annular array.

3. The stirring structure for preparing silicon carbide ceramics according to claim 2, wherein: The valve (103c) is connected to the peripheral sidewall of the connecting pipe (103d) communicated with the lower surface of the mixing barrel (1), the end surface of the material pumping pump (103) communicated with the lower end of the connecting pipe (103d) is communicated with a discharging pipe (103a), and the pump seat (103b) connected to the sidewall of the material pumping pump (103) is connected to the lower surface of the mixing barrel (1).

4. The stirring structure for preparing silicon carbide ceramics according to claim 1, wherein: The machine frame (201) is in a U-shaped structure, the lower end of the convex rod (201c) symmetrically fixed to the lower surface of the machine frame (201) penetrates through the upper surface of the connecting seat (102), and the nut (201d) screwed to the peripheral sidewall of the convex rod (201c) abuts against the lower surface of the connecting seat (102).

5. The stirring structure for preparing silicon carbide ceramics according to claim 1, wherein: The upper surface of the screw cover (202) is communicated with the feeding hopper (203) in an annular array, and the screw plug (203a) is screwed to the upper surface of the feeding hopper (203).

6. The stirring structure for preparing silicon carbide ceramics according to claim 1, wherein: The inner bottom of the storage cylinder (204) is fixedly connected with the cross-shaped partition plate (204a), which equally divides the internal space of the storage cylinder (204) into four storage cavities (204b).

7. The stirring structure for the production of silicon carbide ceramics according to claim 6, characterized in that: The lower surface of the storage cylinder (204) is communicated with the discharge pipe (205) in an annular array, and the electromagnetic valve (205a) is connected to the peripheral sidewall of the discharge pipe (205).

8. The stirring structure for preparing silicon carbide ceramics according to claim 1, wherein: The stirring shaft (302) is in an open structure at the lower end, and the end of the stirring rod (302a) connected to the stirring shaft (302) is also in an open structure.

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