A device and method for preparing special-shaped reaction-sintered silicon carbide

Abstract

The present invention provides a device and method for preparing heteromorphic reaction-sintered silicon carbide, which relates to the technical field of silicon carbide preparation, and comprises: a supporting unit, a mixing unit, a discharging unit and a feeding unit; the mixing unit is installed on the supporting unit; the discharging unit is installed on the supporting unit; the feeding unit is installed on the top of the supporting unit; the circular movable tube is slidably installed on the outside of the circular driving shaft; the adjusting mounting plate is fixedly installed on the left side of the outside of the circular movable tube; there are two adjusting force blocks in total, and the two adjusting force blocks are fixedly installed on the right side of the adjusting mounting plate; a row of cross-shaped mixing racks of the present invention can change position, which is convenient for mixing quartz sand and coke at different positions; the problem that the position of the stirring blade is generally fixed, resulting in the stirring blade being unable to contact with the quartz sand and coke at different positions, thereby reducing the mixing effect of the quartz sand and coke.

Description

Technical Field

[0001] The present invention belongs to the technical field of silicon carbide preparation, and more specifically, particularly relates to a device and method for preparing heteromorphic reaction-sintered silicon carbide. Background Art

[0002] ‌Silicon carbide special-shaped plate‌ is a special-shaped plate made of silicon carbide material; silicon carbide products are widely used in various fields due to their excellent properties, such as high hardness, high wear resistance, corrosion resistance, high temperature resistance, etc.; silicon carbide special-shaped plate is one of them, and according to specific use environment and customer needs, it can be made into various non-standard shaped plates, such as special-shaped parts, silicon carbide plates, etc.; these special-shaped plates not only inherit the excellent properties of silicon carbide materials, but also can adapt to specific application scenarios and meet the special needs of customers; silicon carbide basically does not exist in nature, and is mainly synthesized artificially. It is produced by heating the mixture of quartz sand and coke to a high temperature reaction of about 2500°C with electricity; the two raw materials, quartz sand and coke, need to be evenly mixed before the reaction.

[0003] For example, in the patent with application number: CN202120418001.3, a mixing device for the preparation of reaction-sintered silicon carbide ceramics is disclosed, including a mixing tank and a screw conveyor. The discharge port of the screw conveyor is higher than the feed port of the mixing tank, and the two are fixedly connected by a double-head flange rubber wire pipe; a spiral blade spiraling downward is provided on the upper part of the mixing shaft extending into the tank body, and the edge of the spiral blade is close to the inner wall of the tank body; a plurality of vertical blades are evenly distributed circumferentially on the lower part of the mixing shaft, the lower half of the vertical blade is made of rubber material, the lower edge of the vertical blade contacts the bottom of the tank body, the outer edge of the vertical blade is close to the inner wall of the tank body, and a plurality of stirring blades are distributed on the mixing shaft between the spiral blade and the vertical blade; a discharge port with a butterfly valve is provided on the side wall of the tank body; the device structure of the present application is simple and reasonable, can realize split connection, is also convenient for movement, and makes rational use of space, and has a good mixing effect.

[0004] Based on the above, the inventors found that the currently used silicon carbide mixing device still has the following problems:

[0005] 1. The discharge pipe is located on one side of the mixing tank, and the bottom of the mixing tank is horizontal. The equipment cannot be automatically tilted during discharge, which makes it difficult to discharge all the mixed quartz sand and coke.

[0006] 2. The position of the stirring blade is generally fixed, which makes it impossible for the stirring blade to contact the quartz sand and coke at different positions, reducing the mixing effect of quartz sand and coke;

[0007] 3. The quartz sand and coke to be mixed cannot be fed alternately, resulting in the inability to pre-mix before mixing, which reduces the subsequent mixing efficiency of the quartz sand and coke. Summary of the invention

[0008] The disclosed embodiments relate to a device and method for preparing heterogeneous reaction-sintered silicon carbide, which comprises a supporting unit, a mixing unit, a discharging unit and a feeding unit; when the output shafts of the two electric cylinders A are contracted, the triangular push plate can push the triangular support frame to move, so that the angle of the circular storage shell changes, which is convenient for discharging the mixed materials in the circular storage shell, and a row of cross-shaped mixing frames can change their positions, which is convenient for mixing quartz sand and coke at different positions, thereby realizing the alternating feeding of quartz sand and coke, playing a role of pre-mixing, and being beneficial to improving the mixing efficiency of quartz sand and coke in the circular storage shell; and solving the problems that the mixed quartz sand and coke are not convenient to be completely discharged, the stirring blades cannot contact the quartz sand and coke at different positions, and the quartz sand and coke to be mixed cannot be fed alternately.

[0009] In a first aspect of the present disclosure, a device for preparing heterogeneous reaction-sintered silicon carbide is provided, comprising: a support unit, a mixing unit, a discharge unit and a feeding unit; the mixing unit is mounted on the support unit; the discharge unit is mounted on the support unit; the feeding unit is mounted on the top of the support unit;

[0010] The support unit comprises: a support base, a rectangular rotating plate, a circular material storage shell and a semicircular pushing block; a mounting hole is provided at the corner of the support base; the rectangular rotating plate is rotatably mounted on the support base; the circular material storage shell is fixedly mounted on the top of the rectangular rotating plate; there are two semicircular pushing blocks, and the two semicircular pushing blocks are fixedly mounted on the left side of the circular material storage shell;

[0011] The mixing unit comprises: a motor, a circular driving shaft, a circular movable tube, an adjustment mounting plate and an adjustment force bearing block;

[0012] The motor is installed on the right side of the circular material storage shell by screws; the circular drive shaft is fixedly installed on the output shaft of the motor; the circular movable tube is slidably installed on the outside of the circular drive shaft; the adjustment mounting plate is fixedly installed on the left side of the outside of the circular movable tube; there are two adjustment force blocks in total, and the two adjustment force blocks are fixedly installed on the right side of the adjustment mounting plate; the right ends of the two adjustment force blocks are provided with rounded corners, and two semicircular pushing blocks are used to push the two adjustment force blocks to move to the left.

[0013] In at least some embodiments, the support unit also includes: a triangular push plate, an arc-shaped reset rod and a limit retaining ring A; the triangular push plate is fixedly installed on the top of the support base; the arc-shaped reset rod is fixedly installed on the bottom of the circular storage shell, and the arc-shaped reset rod is also slidably connected to the support base; the limit retaining ring A is fixedly installed on the outside of the arc-shaped reset rod, and the bottom of the limit retaining ring A is in contact with the support base.

[0014] In at least some embodiments, the support unit also includes: a limit retaining ring B, a reset spring and a rectangular discharge pipe; the limit retaining ring B is fixedly installed on the bottom end of the arc-shaped reset rod; the reset spring is installed on the outside of the arc-shaped reset rod, and the reset spring is located between the support base and the limit retaining ring B; the rectangular discharge pipe is fixedly installed on the bottom right side of the circular storage shell.

[0015] In at least some embodiments, the mixing unit further includes: a cross-shaped mixing rack and a limit baffle; the cross-shaped mixing racks are provided in a row, and the row of cross-shaped mixing racks is fixedly mounted on the outside of the circular movable tube, and the rightmost cross-shaped mixing rack contacts the inner wall of the circular material storage shell; when the two semicircular pushing blocks push the two adjustment force blocks to move to the left, the leftmost cross-shaped mixing rack can contact the inner wall of the circular material storage shell; the limit baffle is fixedly mounted on the left side of the circular movable tube.

[0016] In at least some embodiments, the mixing unit also includes: a reset spring and a circular limit pin; the reset spring is installed inside the circular movable tube, and the left side of the reset spring is fixedly connected to the limit baffle, and the right side of the reset spring is fixedly connected to the circular drive shaft; there are three circular limit pins in total, and the three circular limit pins are fixedly installed inside the circular drive shaft, and the three circular limit pins are inserted into the circular movable tube.

[0017] In at least some embodiments, the discharge unit includes: a mounting seat and an electric cylinder A; the mounting seat is fixedly mounted on the bottom of the circular storage shell; two electric cylinders A are provided, and the two electric cylinders A are fixedly mounted on the right side of the mounting seat.

[0018] In at least some embodiments, the discharge unit also includes: a triangular support frame and a sealing baffle A; the triangular support frame is fixedly mounted on the output shafts of the two electric cylinders A, and the bottom of the triangular support frame is in contact with the triangular push plate, and the bottom of the triangular support frame is provided with rounded corners; the sealing baffle A is fixedly mounted on the output shafts of the two electric cylinders A, and the sealing baffle A is also inserted into the rectangular discharge pipe.

[0019] In at least some embodiments, the feeding unit includes: a rectangular hollow cover, a raw material feed hopper and a raw material partition plate; the rectangular hollow cover is fixedly mounted on the top of the circular storage shell; the raw material feed hopper is fixedly mounted on the rectangular hollow cover; and the raw material partition plate is fixedly mounted inside the raw material feed hopper.

[0020] In at least some embodiments, the feeding unit also includes: a sealing baffle B and an electric cylinder B; there are two sealing baffles B, and the two sealing baffles B are slidably installed on the raw material feed hopper; there are six electric cylinders B, and the six electric cylinders B are fixedly installed on the left and right sides of the rectangular hollow cover, and the output shafts of the six electric cylinders B are also fixedly connected to the inner sides of the two sealing baffles B.

[0021] In at least some embodiments, the method for preparing heterogeneous reaction-sintered silicon carbide is:

[0022] Step 1: Pour the quartz sand raw material into the left side of the raw material partition plate, and then pour the coke raw material into the right side of the raw material partition plate;

[0023] Step 2: Retract the output shafts of the three electric cylinders B on the left side for two seconds, and then extend the output shafts of the three electric cylinders B on the left side to reset;

[0024] Step 3: Retract the output shafts of the three electric cylinders B on the right side for two seconds, and then extend the output shafts of the three electric cylinders B on the right side to reset;

[0025] Step 4, repeating step 2 and step 3, when the quartz sand raw material and the coke raw material in the circular storage shell reach two-thirds of the height of the circular storage shell, stop step 2 and step 3;

[0026] Step 5: Start the motor and wait for the quartz sand raw material and the coke raw material in the circular storage shell to be mixed;

[0027] Step 6: When discharging, start the two electric cylinders A and wait for the mixed quartz sand and coke to be completely discharged through the rectangular discharge pipe.

[0028] Compared with the prior art, the present invention has the following beneficial effects:

[0029] 1. In the present invention, when discharging is required after mixing is completed, the staff starts the two electric cylinders A to shrink the output shafts of the two electric cylinders A. At this time, the sealing baffle A and the rectangular discharging pipe are automatically separated to realize automatic discharging;

[0030] In addition, when the output shafts of the two electric cylinders A contract, the triangular push plate can push the triangular support frame to move, causing the angle of the circular storage shell to change, thereby facilitating the discharge of mixed materials in the circular storage shell; when the output shafts of the two electric cylinders A extend and reset, the circular storage shell can automatically reset under the action of its own gravity and the reset bending spring. The setting of the reset bending spring makes the circular storage shell more stable after reset.

[0031] 2. In the present invention, when the motor is working, a row of cross-shaped mixing racks can rotate, thereby realizing automatic mixing of quartz sand and coke; a row of cross-shaped mixing racks can change positions, thereby facilitating mixing of quartz sand and coke at different positions;

[0032] In addition, when the motor is working, the two semicircular pushing blocks can push the two adjusting force blocks to move to the left, so that the circular movable tube drives a row of cross-shaped mixing racks to move to the left at the same time; when the two semicircular pushing blocks are separated from the two adjusting force blocks, the circular movable tube can move to the right under the action of the reset tension spring, so that the circular movable tube drives a row of cross-shaped mixing racks to move to the right at the same time, realizing automatic adjustment of the mixing position and improving the mixing effect of quartz sand and coke.

[0033] 3. The present invention plays a role in classified storage of quartz sand and coke to be mixed; when the output shafts of the three electric cylinders B on the left side are retracted for a period of time and then extended to reset, a part of the quartz sand enters the circular storage shell through the rectangular hollow cover, and when the output shafts of the three electric cylinders B on the right side are retracted for a period of time and then extended to reset, a part of the coke enters the circular storage shell through the rectangular hollow cover, thereby realizing the alternating feeding of quartz sand and coke, playing a role of pre-mixing, and being beneficial to improving the mixing efficiency of quartz sand and coke in the circular storage shell. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] In order to more clearly illustrate the technical solution of the embodiment of the present invention, the drawings of the embodiment are briefly introduced below.

[0035] The drawings described below only relate to some embodiments of the present invention and are not intended to limit the present invention.

[0036] In the attached picture:

[0037] Figure 1 A three-dimensional structural schematic diagram of the present invention is shown.

[0038] Figure 2 A structural schematic diagram of the support unit of the present invention is shown.

[0039] Figure 3 The present invention is shown Figure 1 Schematic diagram of the left perspective structure.

[0040] Figure 4 The schematic diagram of the structure of the mixing unit of the present invention is shown.

[0041] Figure 5 The present invention is shown Figure 4 Schematic diagram of the central cut structure.

[0042] Figure 6 The present invention is shown Figure 5 Schematic diagram of the local enlarged structure of area A in the middle.

[0043] Figure 7 The present invention is shown Figure 4 Schematic diagram of the local enlarged structure of area B in the middle.

[0044] Figure 8 The schematic diagram of the structure of the discharge unit of the present invention is shown.

[0045] Fig. 9 The present invention is shown Figure 1 Schematic diagram of the main viewing angle structure.

[0046] Fig.10 The schematic diagram of the structure of the feeding unit of the present invention is shown.

[0047] Fig.11 The present invention is shown Fig.10 Schematic diagram of the central cut structure.

[0048] Fig.12 The present invention is shown Fig.11 Schematic diagram of the local enlarged structure of the C area in the middle.

[0049] List of reference numerals:

[0050] 1. Support unit; 101. Support base; 102. Rectangular rotating plate; 103. Circular material storage shell; 104. Semicircular push block; 105. Triangular push plate; 106. Arc-shaped reset rod; 107. Limit retaining ring A; 108. Limit retaining ring B; 109. Reset bending spring; 110. Rectangular discharge pipe;

[0051] 2. Mixing unit; 201. Motor; 202. Round drive shaft; 203. Round movable tube; 204. Adjustment mounting plate; 205. Adjustment force block; 206. Cross-shaped mixing frame; 207. Limiting plate; 208. Reset tension spring; 209. Round limiting pin;

[0052] 3. Discharging unit; 301. Mounting seat; 302. Electric cylinder A; 303. Triangular support frame; 304. Sealing baffle A;

[0053] 4. Feeding unit; 401. Rectangular hollow cover; 402. Raw material feeding hopper; 403. Raw material partition plate; 404. Sealing baffle B; 405. Electric cylinder B. DETAILED DESCRIPTION

[0054] In order to make the purpose, scheme and advantages of the technical solution of the present invention clearer, the technical solution of the embodiment of the present invention will be clearly and completely described in conjunction with the drawings of the specific embodiments of the present invention. Unless otherwise specified, the terms used herein have the usual meanings in the art. The same reference numerals in the drawings represent the same components.

[0055] Example: Please refer to Figures 1 to 12As shown: The present invention provides a device for preparing special-shaped reaction-sintered silicon carbide, comprising: a support unit 1, a mixing unit 2, a discharge unit 3 and a feeding unit 4; the mixing unit 2 is installed on the support unit 1; the discharge unit 3 is installed on the support unit 1; and the feeding unit 4 is installed on the top of the support unit 1.

[0056] In the present disclosure, Figure 2 , Figure 8 and Fig. 9 As shown, the support unit 1 includes: a support base 101, a rectangular rotating plate 102, a circular material storage shell 103 and a semicircular pushing block 104; a mounting hole is opened at the corner of the support base 101; the rectangular rotating plate 102 is rotatably mounted on the support base 101; the circular material storage shell 103 is fixedly mounted on the top of the rectangular rotating plate 102; there are two semicircular pushing blocks 104, and the two semicircular pushing blocks 104 are fixedly mounted on the left side of the circular material storage shell 103; the support unit 1 also includes: a triangular pushing plate 105, an arc-shaped reset rod 106 and a limit ring A107; the triangular pushing plate 105 is fixedly mounted on the top of the support base 101; the arc-shaped reset rod 106 is fixed It is installed at the bottom of the circular material storage shell 103, and the arc-shaped reset rod 106 is also slidably connected to the support base 101; the limit ring A107 is fixedly installed on the outside of the arc-shaped reset rod 106, and the bottom of the limit ring A107 is in contact with the support base 101; the support unit 1 also includes: a limit ring B108, a reset spring 109 and a rectangular discharge pipe 110; the limit ring B108 is fixedly installed on the bottom end of the arc-shaped reset rod 106; the reset spring 109 is installed on the outside of the arc-shaped reset rod 106, and the reset spring 109 is located between the support base 101 and the limit ring B108; the rectangular discharge pipe 110 is fixedly installed on the right side of the bottom of the circular material storage shell 103;

[0057] The discharging unit 3 includes: a mounting seat 301 and an electric cylinder A302; the mounting seat 301 is fixedly mounted on the bottom of the circular material storage shell 103; there are two electric cylinders A302, and the two electric cylinders A302 are fixedly mounted on the right side of the mounting seat 301; the discharging unit 3 also includes: a triangular support frame 303 and a sealing baffle A304; the triangular support frame 303 is fixedly mounted on the output shafts of the two electric cylinders A302, and the bottom of the triangular support frame 303 is in contact with the triangular push plate 105, and the bottom of the triangular support frame 303 is provided with a rounded corner; the sealing baffle A304 is fixedly mounted on the output shafts of the two electric cylinders A302, and the sealing baffle A304 is also inserted into the rectangular discharging pipe 110;

[0058] Its specific function is as follows: since the sealing baffle A304 is fixedly mounted on the output shafts of the two electric cylinders A302, and the sealing baffle A304 is also inserted into the rectangular discharge pipe 110, when the mixing is completed and the material needs to be discharged, the staff starts the two electric cylinders A302 to shrink the output shafts of the two electric cylinders A302. At this time, the sealing baffle A304 is automatically separated from the rectangular discharge pipe 110 to realize automatic discharge;

[0059] Because the triangular support frame 303 is fixedly mounted on the output shafts of the two electric cylinders A302, and the bottom of the triangular support frame 303 is in contact with the triangular push plate 105, and the bottom of the triangular support frame 303 is provided with a rounded corner, when the output shafts of the two electric cylinders A302 are contracted, the triangular push plate 105 can push the triangular support frame 303 to move, so that the angle of the circular material storage shell 103 changes, which is convenient for the discharge of the mixed materials in the circular material storage shell 103; and because the arc-shaped reset rod 106 is slidably connected to the support base 101, and the reset spring 109 is installed on the outside of the arc-shaped reset rod 106, and the reset spring 109 is located between the support base 101 and the limit retaining ring B108, when the output shafts of the two electric cylinders A302 extend out to reset, the circular material storage shell 103 can automatically reset under the action of its own gravity and the reset spring 109. The setting of the reset spring 109 makes the circular material storage shell 103 more stable after reset.

[0060] In the present disclosure, Figures 4 to 7As shown, the mixing unit 2 includes: a motor 201, a circular driving shaft 202, a circular movable tube 203, an adjustment mounting plate 204 and an adjustment force block 205; the motor 201 is mounted on the right side of the circular material storage shell 103 by screws; the circular driving shaft 202 is fixedly mounted on the output shaft of the motor 201; the circular movable tube 203 is slidably mounted on the outside of the circular driving shaft 202; the adjustment mounting plate 204 is fixedly mounted on the left side of the outside of the circular movable tube 203; there are two adjustment force blocks 205, and the two adjustment force blocks 205 are fixedly mounted on the right side of the adjustment mounting plate 204; the right ends of the two adjustment force blocks 205 are provided with rounded corners, and the two semicircular pushing blocks 104 are used to push the two adjustment force blocks 205 to move to the left; the mixing unit 2 also includes: a cross-shaped mixing frame 206 and a limit stop plate 207; the cross-shaped mixing frame 206 is provided in a row, and a row of cross-shaped mixing frames 2 06 is fixedly installed on the outside of the circular movable tube 203, and the cross-shaped mixing frame 206 on the far right is in contact with the inner wall of the circular storage shell 103; when the two semicircular pushing blocks 104 push the two adjusting force blocks 205 to move to the left, the cross-shaped mixing frame 206 on the far left can contact the inner wall of the circular storage shell 103; the limiting baffle 207 is fixedly installed on the left side of the circular movable tube 203; the mixing unit 2 also includes: a reset tension spring 208 and a circular limiting pin 209; the reset tension spring 208 is installed inside the circular movable tube 203, and the left side of the reset tension spring 208 is fixedly connected to the limiting baffle 207, and the right side of the reset tension spring 208 is fixedly connected to the circular driving shaft 202; there are three circular limiting pins 209, and the three circular limiting pins 209 are fixedly installed inside the circular driving shaft 202, and the three circular limiting pins 209 are inserted into the circular movable tube 203;

[0061] The specific functions are as follows: since a row of cross-shaped mixing racks 206 are fixedly mounted on the outside of the circular movable tube 203, when the motor 201 is working, the row of cross-shaped mixing racks 206 can rotate, thereby realizing automatic mixing of quartz sand and coke; and since the circular movable tube 203 is slidably mounted on the outside of the circular driving shaft 202, and three circular stop pins 209 are fixedly mounted on the inside of the circular driving shaft 202, and the three circular stop pins 209 are inserted into the circular movable tube 203, the row of cross-shaped mixing racks 206 can change position, thereby facilitating mixing of quartz sand and coke at different positions;

[0062] Because the two semicircular pushing blocks 104 are fixedly installed on the left side of the circular storage shell 103, when the motor 201 is working, the two semicircular pushing blocks 104 can push the two adjusting force blocks 205 to move to the left, so that the circular movable tube 203 drives a row of cross-shaped mixing frames 206 to move to the left at the same time; and because the reset spring 208 is installed inside the circular movable tube 203, and the left side of the reset spring 208 is fixedly connected to the limit baffle 207, and the right side of the reset spring 208 is fixedly connected to the circular driving shaft 202, when the two semicircular pushing blocks 104 are separated from the two adjusting force blocks 205, the circular movable tube 203 can move to the right under the action of the reset spring 208, so that the circular movable tube 203 drives a row of cross-shaped mixing frames 206 to move to the right at the same time, thereby realizing automatic adjustment of the mixing position and improving the mixing effect of quartz sand and coke.

[0063] In the present disclosure, Figures 10 to 12 As shown, the feeding unit 4 includes: a rectangular hollow cover 401, a raw material feeding hopper 402 and a raw material partition plate 403; the rectangular hollow cover 401 is fixedly installed on the top of the circular storage shell 103; the raw material feeding hopper 402 is fixedly installed on the rectangular hollow cover 401; the raw material partition plate 403 is fixedly installed inside the raw material feeding hopper 402; the feeding unit 4 also includes: a sealing baffle B404 and an electric cylinder B405; there are two sealing baffles B404, and the two sealing baffles B404 are slidably installed on the raw material feeding hopper 402; there are six electric cylinders B405, and the six electric cylinders B405 are fixedly installed on the left and right sides of the rectangular hollow cover 401, and the output shafts of the six electric cylinders B405 are also fixedly connected to the inner sides of the two sealing baffles B404;

[0064] Its specific functions are as follows: since the raw material feed hopper 402 is fixedly mounted on the rectangular hollow cover 401, and the raw material partition plate 403 is fixedly mounted inside the raw material feed hopper 402, the quartz sand and coke to be mixed are classified and stored; and since two sealing baffles B404 are slidably mounted on the raw material feed hopper 402, and six electric cylinders B405 are fixedly mounted on the left and right sides of the rectangular hollow cover 401, and the output shafts of the six electric cylinders B405 are also fixedly connected to the inner sides of the two sealing baffles B404, when When the output shafts of the three electric cylinders B405 on the left are retracted for a period of time and then extended to reset, a part of the quartz sand enters the circular storage shell 103 through the rectangular hollow cover 401. When the output shafts of the three electric cylinders B405 on the right are retracted for a period of time and then extended to reset, a part of the coke enters the circular storage shell 103 through the rectangular hollow cover 401, thereby realizing the alternating feeding of quartz sand and coke, playing a role of pre-mixing, and being beneficial to improving the mixing efficiency of quartz sand and coke in the circular storage shell 103.

[0065] In the embodiment of the present disclosure, a method for preparing heterogeneous reaction-sintered silicon carbide is as follows:

[0066] Step 1: Pour the quartz sand raw material into the left side of the raw material partition plate 403, and then pour the coke raw material into the right side of the raw material partition plate 403;

[0067] Step 2: retract the output shafts of the three electric cylinders B405 on the left side for two seconds, and then extend the output shafts of the three electric cylinders B405 on the left side to reset;

[0068] Step 3: Retract the output shafts of the three electric cylinders B405 on the right side for two seconds, and then extend the output shafts of the three electric cylinders B405 on the right side to reset;

[0069] Step 4: Repeat Step 2 and Step 3. When the quartz sand raw material and the coke raw material in the circular storage shell 103 reach two-thirds of the height of the circular storage shell 103, stop Step 2 and Step 3.

[0070] Step 5: Start the motor 201 and wait for the quartz sand raw material and the coke raw material in the circular storage shell 103 to be mixed;

[0071] Step 6: During discharge, start the two electric cylinders A302 and wait for the mixed quartz sand and coke to be completely discharged through the rectangular discharge pipe 110.

[0072] The specific usage and function of this embodiment are as follows:

[0073] When the present invention is used, firstly, the quartz sand raw material is poured into the left side of the raw material partition plate 403, and then the coke raw material is poured into the right side of the raw material partition plate 403; the output shafts of the three electric cylinders B405 on the left are retracted for two seconds, and then the output shafts of the three electric cylinders B405 on the left are extended to reset; the output shafts of the three electric cylinders B405 on the right are retracted for two seconds, and then the output shafts of the three electric cylinders B405 on the right are extended to reset; repeat steps 2 and 3, and when the quartz sand raw material and the coke raw material in the circular storage shell 103 are When the raw materials reach two-thirds of the height of the circular storage shell 103, step 2 and step 3 are stopped, so that the alternating feeding of quartz sand and coke is realized, which plays a role of pre-mixing and is beneficial to improving the mixing efficiency of quartz sand and coke in the circular storage shell 103; start the motor 201, and when the motor 201 is working, the two semicircular pushing blocks 104 can push the two adjusting force blocks 205 to move to the left, so that the circular movable tube 203 drives a row of cross-shaped mixing frames 206 to move to the left at the same time; when the two semicircular pushing blocks 104 are driven by the two semicircular pushing blocks 104 ... and the two semicircular pushing blocks 104 can push the two adjusting force blocks 205 to move to the left, and the two semicircular pushing blocks 104 can push the two semicircular pushing blocks 104 to move to the left, and the two semicircular pushing blocks 104 can push the two semicircular pushing blocks 104 to move to the left, and the two semicircular pushing blocks 104 can push the two semicircular pushing blocks 104 to move to the left, and the two semicircular pushing blocks 104 can push the two semicircular pushing blocks 104 to move to the left, and the two semicircular pushing blocks 104 can push the two semicircular pushing blocks 104 to move to the left, and the two semicircular pushing blocks 104 can push the two semicircular When the block 104 is separated from the two adjusting force blocks 205, the circular movable tube 203 can move to the right under the action of the reset tension spring 208, so that the circular movable tube 203 drives a row of cross-shaped mixing racks 206 to move to the right at the same time, realizing the automatic adjustment of the mixing position, improving the mixing effect of quartz sand and coke, and waiting for the quartz sand raw materials and coke raw materials in the circular storage shell 103 to be mixed; when discharging, start the two electric cylinders A302, and when the output shafts of the two electric cylinders A302 are retracted, the triangular push The movable plate 105 can push the triangular support frame 303 to move, so that the angle of the circular storage shell 103 changes, which is convenient for the discharge of the mixed materials in the circular storage shell 103, waiting for the mixed quartz sand and coke to be completely discharged through the rectangular discharge pipe 110; when the output shafts of the two electric cylinders A302 are extended and reset, the circular storage shell 103 can automatically reset under the action of its own gravity and the reset spring 109. The setting of the reset spring 109 makes the circular storage shell 103 more stable after reset.

[0074] In this article, there are a few points to note:

[0075] 1. The drawings of the embodiments of the present disclosure only involve structures related to the embodiments of the present disclosure, and other structures may refer to general designs.

[0076] 2. In the absence of conflict, the embodiments of the present disclosure and the features therein may be combined with each other to obtain new embodiments.

[0077] The above are only specific embodiments of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present disclosure, which should be included in the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be based on the protection scope of the claims.

Claims

1. A device for preparing special-shaped reaction-sintered silicon carbide, comprising: A support unit (1), a mixing unit (2), a discharge unit (3) and a feed unit (4); characterized in that the mixing unit (2) is mounted on the support unit (1); the discharge unit (3) is mounted on the support unit (1); and the feed unit (4) is mounted on the top of the support unit (1); The support unit (1) comprises: a support base (101), a rectangular rotating plate (102), a circular material storage shell (103), a semicircular push block (104) and a triangular push plate (105); a mounting hole is provided at a corner of the support base (101); the rectangular rotating plate (102) is rotatably mounted on the support base (101); the circular material storage shell (103) is fixedly mounted on the top of the rectangular rotating plate (102); a total of two semicircular push blocks (104) are provided, and the two semicircular push blocks (104) are fixedly mounted on the left side of the circular material storage shell (103); the triangular push plate (105) is fixedly mounted on the top of the support base (101); the support unit (1) further comprises: an arc-shaped reset rod (106) and a limit stop ring A (107); the arc-shaped reset rod (106) The support unit (1) is fixedly mounted on the bottom of the circular material storage shell (103), and the arc-shaped reset rod (106) is also slidably connected to the support base (101); the limit retaining ring A (107) is fixedly mounted on the outside of the arc-shaped reset rod (106), and the bottom of the limit retaining ring A (107) is in contact with the support base (101); the support unit (1) further comprises: a limit retaining ring B (108), a reset spring (109) and a rectangular discharge pipe (110); the limit retaining ring B (108) is fixedly mounted on the bottom end of the arc-shaped reset rod (106); the reset spring (109) is mounted on the outside of the arc-shaped reset rod (106), and the reset spring (109) is located between the support base (101) and the limit retaining ring B (108); the rectangular discharge pipe (110) is fixedly mounted on the right side of the bottom of the circular material storage shell (103); The mixing unit (2) comprises: a motor (201), a circular drive shaft (202), a circular movable tube (203), an adjustment mounting plate (204), and an adjustment force block (205); the motor (201) is mounted on the right side of the circular material storage housing (103) by means of screws; the circular drive shaft (202) is fixedly mounted on the output shaft of the motor (201); the circular movable tube (203) is slidably mounted on the outside of the circular drive shaft (202); the adjustment mounting plate (204) is fixedly mounted on the circular movable tube (203); two adjusting force blocks (205) are provided, and the two adjusting force blocks (205) are fixedly installed on the right side of the adjusting mounting plate (204); the right ends of the two adjusting force blocks (205) are provided with rounded corners, and the two semicircular pushing blocks (104) are used to push the two adjusting force blocks (205) to move leftward; the mixing unit (2) further comprises: a cross-shaped mixing frame (206) and a limit stop plate (207); the cross-shaped mixing frame (206) is provided in a row, and the row of cross-shaped mixing frames (206) is provided with a plurality of cross-shaped mixing frames (206). The mixing frame (206) is fixedly mounted on the outside of the circular movable tube (203), and the rightmost cross-shaped mixing frame (206) contacts the inner wall of the circular material storage shell (103); when the two semicircular push blocks (104) push the two adjustment force blocks (205) to move leftward, the leftmost cross-shaped mixing frame (206) can contact the inner wall of the circular material storage shell (103); the limit stop plate (207) is fixedly mounted on the left side of the circular movable tube (203); the mixing unit (2) further comprises: a reset tension spring (20 8) and a circular limit pin (209); the reset spring (208) is installed inside the circular movable tube (203), and the left side of the reset spring (208) is fixedly connected to the limit stop plate (207), and the right side of the reset spring (208) is fixedly connected to the circular drive shaft (202); a total of three circular limit pins (209) are provided, and the three circular limit pins (209) are fixedly installed inside the circular drive shaft (202), and the three circular limit pins (209) are inserted into the circular movable tube (203); The material discharging unit (3) comprises: a mounting seat (301) and an electric cylinder A (302); the mounting seat (301) is fixedly mounted on the bottom of a circular material storage housing (103); two electric cylinders A (302) are provided, and the two electric cylinders A (302) are fixedly mounted on the right side of the mounting seat (301); the material discharging unit (3) further comprises: a triangular support frame (303) and a sealing baffle A (304); the triangular support frame (303) is fixedly mounted on the output shafts of the two electric cylinders A (302), and the bottom of the triangular support frame (303) is in contact with the triangular push plate (105), and the bottom of the triangular support frame (303) is provided with a rounded corner; the sealing baffle A (304) is fixedly mounted on the output shafts of the two electric cylinders A (302), and the sealing baffle A (304) is also inserted into the rectangular material discharging pipe (110).

2. The device for preparing heterogeneous reaction-sintered silicon carbide according to claim 1, characterized in that: The feeding unit (4) comprises: a rectangular hollow cover (401), a raw material feeding hopper (402) and a raw material partition plate (403); the rectangular hollow cover (401) is fixedly mounted on the top of the circular material storage shell (103); the raw material feeding hopper (402) is fixedly mounted on the rectangular hollow cover (401); and the raw material partition plate (403) is fixedly mounted inside the raw material feeding hopper (402).

3. The device for preparing heterogeneous reaction-sintered silicon carbide according to claim 2, characterized in that: The feeding unit (4) further comprises: a sealing baffle B (404) and an electric cylinder B (405); two sealing baffles B (404) are provided in total, and the two sealing baffles B (404) are slidably mounted on the raw material feeding hopper (402); six electric cylinders B (405) are provided in total, and the six electric cylinders B (405) are fixedly mounted on the left and right sides of the rectangular hollow cover (401), and the output shafts of the six electric cylinders B (405) are also fixedly connected to the inner sides of the two sealing baffles B (404).

4. A method for preparing heterogeneous reaction-sintered silicon carbide, using a heterogeneous reaction-sintered silicon carbide preparation device as claimed in claim 3, characterized in that: The steps are as follows: Step 1: pour the quartz sand raw material into the left side of the raw material partition plate (403), and then pour the coke raw material into the right side of the raw material partition plate (403); Step 2: retract the output shafts of the three electric cylinders B (405) on the left side for two seconds, and then extend the output shafts of the three electric cylinders B (405) on the left side to reset; Step 3: retract the output shafts of the three electric cylinders B (405) on the right side for two seconds, and then extend the output shafts of the three electric cylinders B (405) on the right side to reset; Step 4, repeating step 2 and step 3, and stopping step 2 and step 3 when the quartz sand raw material and the coke raw material in the circular material storage shell (103) reach two-thirds of the height of the circular material storage shell (103); Step 5: Start the motor (201) and wait for the quartz sand raw material and the coke raw material in the circular storage shell (103) to be mixed; Step 6: During discharge, two electric cylinders A (302) are started to wait for the mixed quartz sand and coke to be completely discharged through the rectangular discharge pipe (110).

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