Raw material mixing device for silicon carbide production

Abstract

The utility model relates to the technical field of silicon carbide production, in particular to a raw material mixing device for silicon carbide production. A state switching device; a mixing bin; a stirring plate; feeding and discharging pipes; and positioning the dismounting device. According to the silicon carbide mixing device, the effect of controlling the mixing bin to freely switch three working states of feeding, mixing and discharging is achieved through the state switching device, the convenience and sufficiency of discharging of the mixing bin are improved, and when silicon carbide is mixed, the state switching device drives and controls the mixing bin to continuously rotate in the transverse state, so that the mixing efficiency is improved. Meanwhile, the silicon carbide raw materials continuously rotate upwards and slide down from a high position by combining a stirring plate, the rapid mixing effect is further achieved, the effect that the stirring plate can be pulled out is achieved by arranging a positioning and dismounting device, the silicon carbide raw materials remaining on the surface of the stirring plate can be scraped by a sliding groove in the end of the mixing bin during the pulling-out period, and the mixing efficiency is improved. And then the effect of treating the residual materials on the stirring plate is achieved, and the effect of simply treating the residual materials is achieved through simple stirring plate pulling-out work.

Description

Technical Field

[0001] The utility model relates to the technical field of silicon carbide production, in particular to a raw material mixing device for silicon carbide production. Background Art

[0002] The overall process of silicon carbide production line is that raw materials quartz sand, anthracite, petroleum coke and silicon powder are transported to the factory by vehicles for unloading, storage, batching, mixing, furnace loading, smelting, cooling, furnace grating, furnace grading, crushing, screening and grinding. Batching and mixing are the process of weighing and mixing according to the proportion of quartz sand, anthracite, petroleum coke and silicon powder. The mixing is fully mixed and stirred by a mixer. Therefore, whether the silicon carbide raw materials are mixed evenly directly affects the production quality of silicon carbide ceramics.

[0003] After searching, China Publication No. CN219294305U discloses a raw material mixer for silicon carbide ceramic production, including a feed pipe, a mixing barrel is provided at the discharge end of the feed pipe, a partition is provided inside the mixing barrel, one end of the mixing barrel is provided with a mutually meshing toothed ring and gear, and one side of the gear is provided with a driving device, the driving device drives the mixing barrel to rotate along its own circumferential direction, and at the same time, the mixing barrel rotates along the connection between the support member and the support rod under the action of the lifting part; start the driving device, the driving device drives the mixing barrel to rotate through the mutually meshing toothed ring and gear, and transports the material to the inside of the mixing barrel through the feed pipe. As the mixing barrel rotates, the partition provided inside the mixing barrel drives the material to rotate upward, and the material slides off the partition after moving to a high place, thereby accelerating the efficiency of material mixing and making the material mixing more uniform.

[0004] The above patent has the following defects: after mixing the silicon carbide raw materials, the horizontally arranged mixing barrel is not convenient for unloading the raw materials. The silicon carbide raw materials are accumulated inside the mixing barrel. At the same time, some silicon carbide raw materials will adhere to the partition. Due to the setting of the depth of the mixing barrel, it is inconvenient for the operator to handle the raw materials remaining on the surface of the partition and inside the mixing barrel. In view of this, we propose a raw material mixing device for silicon carbide production. Utility Model Content

[0005] In view of the shortcomings of the prior art, the utility model provides a raw material mixing device for silicon carbide production, which solves the problems raised in the above background technology. To achieve the above purpose, the utility model is implemented through the following technical scheme: a raw material mixing device for silicon carbide production, including a machine base, a state switching device is provided on the machine base, a mixing bin is connected to the state switching device, one end of the mixing bin is slidably connected to a stirring plate, the other end of the mixing bin is fixedly connected to a loading and unloading pipe, and a positioning and disassembly device is provided at the end of the stirring plate away from the loading and unloading pipe.

[0006] Preferably, the state switching device includes a control motor, the end of which is mounted on a machine base, the output shaft of the control motor is connected to a worm, the surface of the worm is meshed with a worm wheel, the end of the worm wheel is fixedly connected to a rotating ring seat, the interior of the rotating ring seat is rotatably connected to a driving ring gear, the surface of the driving ring gear is meshed with a gear, and a hybrid motor is mounted on the rotating ring seat.

[0007] Preferably, the end of the worm is rotatably connected in the machine base, the end of the worm wheel is rotatably connected in the machine base, the inner wall of the drive gear ring is fixedly connected to the surface of the mixing chamber, and the interior of the gear is connected to the output shaft of the mixing motor.

[0008] Preferably, the positioning and disassembly device includes a connecting base, one end of the connecting base is fixedly connected to the end of the stirring plate, a card block is inserted into the interior of the connecting base, the end of the card block is fixedly connected to a pull rope through a limiting rod, the end of the pull rope is fixedly connected to a passive block, and the surface of the passive block is slidably connected to an insertion shaft.

[0009] Preferably, the end of the mixing bin is fixedly connected to a limiting block, the surfaces of the limiting rod and the pull rope are slidably connected to the inside of the limiting block, and a spring is fixedly connected between the surface of the limiting block and the end of the clamping block.

[0010] Preferably, the surface of the pull rope is slidably connected to the inside of the plug shaft, the end of the plug shaft is fixedly connected to the end of the mixing bin, and a spring is fixedly connected between the end of the passive block and the end of the mixing bin.

[0011] Preferably, the interior of the connecting base is snap-fitted with the surface of the limit block, the connecting base is sleeved on the plug shaft, and one end of the connecting base away from the plug shaft is slidably connected to a pressure rod, and a spring is sleeved on the pressure rod.

[0012] It can be seen from the above technical solutions that a raw material mixing device for silicon carbide production provided in the embodiments of this specification has at least the following beneficial effects:

[0013] (1) The utility model achieves the effect of controlling the mixing bin to switch among the three working states of loading, mixing and unloading at will through the state switching device, thereby improving the convenience and sufficiency of unloading from the mixing bin. When the silicon carbide raw materials need to be mixed, the state switching device drives the mixing bin to rotate continuously in a horizontal state, and at the same time combines with the stirring plate to realize the movement of the silicon carbide raw materials to rotate upward and slide from a high place continuously, thereby further achieving the effect of rapid mixing. By setting a positioning and disassembly device, the stirring plate can be pulled out. During the pulling out period, the silicon carbide raw materials remaining on the surface of the stirring plate will be scraped off by the slide groove at the end of the mixing bin, thereby achieving the effect of processing the residual materials on the stirring plate. By simply pulling out the stirring plate, the effect of simple processing of the residual materials can be achieved.

[0014] (2) The utility model presses the pressure rod, and the pressure rod squeezes the passive block to move toward the end of the mixing bin. During the movement of the passive block, the upper limit rod on the pull rope drives the block to move toward the axis of the plug shaft. During the movement, the block gradually moves away from the slot on the connecting base. When the block is completely separated from the plug-in effect of the connecting base, the stirring plate can be directly pulled out from the mixing bin through the connecting base. During the pulling out, the silicon carbide raw materials remaining on the surface of the stirring plate will be scraped off by the slide groove at the end of the mixing bin, thereby achieving the effect of processing the residual material on the stirring plate. Through the simple pulling out of the stirring plate, the effect of simple processing of the residual material is achieved. Combined with the overall rotatable unloading of the mixing bin, the residual material processing method inside the mixing bin is simple, efficient and convenient. At the same time, the positioning and disassembly device can achieve the effect of quickly installing and disassembling the stirring plate, and can ensure the stability of the stirring plate during mixing. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings described herein are used to provide a further understanding of the present invention and constitute a part of this application:

[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 internal structure of the mixing bin in the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the positioning and disassembly device in the utility model;

[0019] Figure 4 This is a schematic diagram of the structure of the limit block in the utility model;

[0020] Figure 5 It is a schematic diagram of the structure of the connection base in the utility model.

[0021] In the figure: 1. machine base; 2. state switching device; 21. control motor; 22. worm; 23. worm wheel; 24. rotating ring seat; 25. driving gear ring; 26. gear; 27. mixing motor; 3. mixing bin; 4. stirring plate; 5. upper and lower material pipes; 6. positioning and disassembly device; 61. connecting base; 62. clamping block; 63. pull rope; 64. passive block; 65. plug-in shaft; 66. limit block; 67. pressure rod. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Example 1

[0024] See also Figure 1-Figure 5 As shown, a raw material mixing device for silicon carbide production includes a machine base 1, a state switching device 2 is arranged on the machine base 1, a mixing bin 3 is connected to the state switching device 2, one end of the mixing bin 3 is slidably connected to a stirring plate 4, the other end of the mixing bin 3 is fixedly connected to an upper and lower material pipe 5, and a positioning and disassembly device 6 is arranged at the end of the stirring plate 4 away from the upper and lower material pipe 5.

[0025] Furthermore, the state switching device 2 includes a control motor 21, the end of which is mounted on the machine base 1, the output shaft of the control motor 21 is connected to a worm 22, the surface of the worm 22 is meshed with a worm wheel 23, the end of the worm wheel 23 is fixedly connected to a rotating ring seat 24, the internal rotation of the rotating ring seat 24 is connected to a driving gear ring 25, the surface of the driving gear ring 25 is meshed with a gear 26, and a mixing motor 27 is installed on the rotating ring seat 24. The control motor 21 drives the worm 22 to mesh with the worm wheel 23 to rotate, and the worm wheel 23 drives the mixing bin 3 on the driving gear ring 25 to rotate as a whole through the rotating ring seat 24. The rotation direction of the worm 22 is controlled to achieve the effect of controlling the rotation state of the mixing bin 3, and further achieves the effect of freely switching the three working states of loading, mixing and unloading of the mixing bin 3, thereby improving the convenience and sufficiency of unloading of the mixing bin 3.

[0026] Furthermore, the end of the worm 22 is rotatably connected to the base 1, the end of the worm wheel 23 is rotatably connected to the base 1, the inner wall of the driving ring gear 25 is fixedly connected to the surface of the mixing chamber 3, and the interior of the gear 26 is connected to the output shaft of the mixing motor 27.

[0027] Example 2

[0028] See also Figure 1-Figure 5 As shown, the positioning and disassembly device 6 includes a connecting base 61, one end of the connecting base 61 is fixedly connected to the end of the stirring plate 4, and a card block 62 is inserted into the interior of the connecting base 61. The number of the card blocks 62 is set to be multiple and distributed in a circular array, which is used to improve the stability of the connection between the mixing chamber 3 and the connecting base 61. The end of the card block 62 is fixedly connected to a pull rope 63 through a limiting rod, and the end of the pull rope 63 is fixedly connected to a passive block 64, and the surface of the passive block 64 is slidably connected to an insertion shaft 65.

[0029] Furthermore, the end of the mixing chamber 3 is fixedly connected to the limit block 66, and the surfaces of the limit rod and the pull rope 63 are both slidably connected to the inside of the limit block 66. A spring is fixedly connected between the surface of the limit block 66 and the end of the card block 62, which is used to elastically position the card block 62, so as to achieve the purpose of stably plugging the card block 62 into the connection base 61. The surface of the pull rope 63 is slidably connected to the inside of the plug shaft 65, and the pull rope 63 is limited and slid in the groove of the plug shaft 65. When the passive block 64 moves toward the mixing chamber 3, the moving distance of the pull rope 63 is increased, and then the pull rope 63 is used to achieve the effect of moving the limit rod toward the axis of the plug shaft 65. The end of the plug shaft 65 is fixedly connected to the end of the mixing chamber 3, and a spring is fixedly connected between the end of the passive block 64 and the end of the mixing chamber 3. By squeezing the passive block 64, the passive block 64 moves inside the plug shaft 65 toward the end of the mixing chamber 3, and the pull rope 63 drives the block 62 on the limit rod to move toward the axis of the plug shaft 65. During the movement, the block 62 gradually moves away from the slot on the connecting base 61. When the block 62 is completely separated from the plug-in effect with the connecting base 61, the stirring plate 4 can be directly pulled out from the mixing chamber 3 through the connecting base 61. During the pulling out, the silicon carbide raw material remaining on the surface of the stirring plate 4 will be scraped off by the slide groove at the end of the mixing chamber 3, thereby achieving the effect of processing the residual material on the stirring plate 4. The simple pulling out of the stirring plate 4 can achieve the effect of simple processing of the residual material.

[0030] Furthermore, the interior of the connecting base 61 is snap-fitted with the surface of the limit block 66, and the connecting base 61 is sleeved on the plug-in shaft 65. The end of the connecting base 61 away from the plug-in shaft 65 is slidably connected with a pressure rod 67, and a spring is sleeved on the pressure rod 67. The spring on the pressure rod 67 is used to elastically position the pressure rod 67. The setting of the pressure rod 67 can facilitate the operator to transfer the force acting on the pressure rod 67 to the passive block 64, thereby achieving the effect of controlling the limit block 66.

[0031] When in use, a raw material mixing device for silicon carbide production of the utility model controls the motor 21 to drive the worm 22 to engage the worm wheel 23 to rotate, and the worm wheel 23 drives the mixing bin 3 on the driving gear ring 25 to rotate as a whole through the rotating ring seat 24. The rotation direction of the worm 22 is controlled to achieve the effect of controlling the rotation state of the mixing bin 3. When it is necessary to feed the mixing bin 3, it is controlled to rotate to an upright state and the upper and lower feeding pipes 5 are at the top state of the mixing bin 3. At this time, the effect of convenient feeding of the mixing bin 3 can be achieved. When it is necessary to unload the mixing bin 3, it is controlled to rotate to an upright state and the upper and lower feeding pipes 5 are at the bottom state of the mixing bin 3. At this time, the effect of vertical dumping and unloading of the mixing bin 3 can be achieved, thereby minimizing the problem of residual silicon carbide material. When the silicon carbide raw materials need to be mixed, the mixing chamber 3 is controlled to rotate to the initial horizontal state, and the mixing motor 27 is started. The output shaft of the mixing motor 27 is engaged with the gear 26 to drive the ring gear 25 to rotate, and the ring gear 25 drives the silicon carbide raw materials in the mixing chamber 3 to continuously roll and mix. At the same time, under the influence of the stirring plate 4, it continuously rotates upward and slides from a high place, thereby achieving a rapid mixing effect.

[0032] When it is necessary to process the residual silicon carbide raw materials on the stirring plate 4, the operator holds the short diameter end of the connecting base 61 and presses the pressure rod 67 while holding it. The pressure on the pressure rod 67 is greater than the spring force and moves. During the movement, the passive block 64 is squeezed. The passive block 64 moves inside the plug shaft 65 toward the end of the mixing chamber 3, and during the movement, the pull rope 63 is driven to move. The moving pull rope 63 drives each block 62 to move toward the axis of the plug shaft 65 through the limit rod. During the movement, the block 62 gradually moves away from the slot on the connecting base 61. When the block 62 is completely separated from the plug-in effect of the connecting base 61, The operator uses the handheld end of the connecting base 61 to pull out the stirring plate 4 from the mixing bin 3 as a whole. During the pulling out, the silicon carbide raw material remaining on the surface of the stirring plate 4 will be scraped off by the slide groove at the end of the mixing bin 3, so that the silicon carbide raw material is scraped inside the mixing bin 3. When the mixing bin 3 is vertically unloaded, the silicon carbide raw material scraped from the stirring plate 4 will be poured out from the loading and unloading pipes 5, thereby achieving the effect of processing the residual material on the stirring plate 4. The simple pulling out of the stirring plate 4 can achieve the effect of simple processing of the residual material. Combined with the overall rotatable unloading of the mixing bin 3, the processing method of the residual material inside the mixing bin 3 is simple, efficient and convenient.

[0033] The above implementation methods are only used to illustrate the embodiments of the present utility model, and are not limitations of the embodiments of the present utility model. Ordinary technicians in the relevant technical field can make various changes and modifications without departing from the spirit and scope of the embodiments of the present utility model. Therefore, all equivalent technical solutions also belong to the scope of the embodiments of the present utility model. The patent protection scope of the embodiments of the present utility model should be limited by the claims.

Claims

1. A raw material mixing device for silicon carbide production, comprising a machine base (1), characterized in that: The machine base (1) is provided with a state switching device (2), the state switching device (2) is connected with a mixing chamber (3), one end of the mixing chamber (3) is slidably connected with a stirring plate (4), the other end of the mixing chamber (3) is fixedly connected with an upper and lower material pipe (5), and the end of the stirring plate (4) away from the upper and lower material pipe (5) is provided with a positioning and disassembly device (6); the state switching device (2) comprises a control motor (21), the end of the control motor (21) is mounted on the machine base (1), the output shaft of the control motor (21) is connected with a worm (22), the surface of the worm (22) is meshed with a worm wheel (23), the end of the worm wheel (23) is fixedly connected with a rotating ring seat (24), the interior of the rotating ring seat (24) is rotatably connected with a driving gear ring (25), the surface of the driving gear ring (25) is meshed with a gear (26), and the rotating ring seat (24) is mounted with a mixing motor (27).

2. A raw material mixing device for silicon carbide production according to claim 1, characterized in that: The end of the worm (22) is rotatably connected to the machine base (1), the end of the worm wheel (23) is rotatably connected to the machine base (1), the inner wall of the driving gear ring (25) is fixedly connected to the surface of the mixing chamber (3), and the interior of the gear (26) is connected to the output shaft of the mixing motor (27).

3. A raw material mixing device for silicon carbide production according to claim 1, characterized in that: The positioning and disassembly device (6) comprises a connecting base (61), one end of which is fixedly connected to the end of the stirring plate (4), a clamping block (62) is inserted into the interior of the connecting base (61), the end of the clamping block (62) is fixedly connected to a pull rope (63) via a limiting rod, the end of the pull rope (63) is fixedly connected to a passive block (64), and the surface of the passive block (64) is slidably connected to an insertion shaft (65).

4. A raw material mixing device for silicon carbide production according to claim 3, characterized in that: The end of the mixing bin (3) is fixedly connected to a limit block (66); the surfaces of the limit rod and the pull rope (63) are slidably connected inside the limit block (66); and a spring is fixedly connected between the surface of the limit block (66) and the end of the clamping block (62).

5. A raw material mixing device for silicon carbide production according to claim 3, characterized in that: The surface of the pull rope (63) is slidably connected to the inside of the plug shaft (65), the end of the plug shaft (65) is fixedly connected to the end of the mixing chamber (3), and a spring is fixedly connected between the end of the passive block (64) and the end of the mixing chamber (3).

6. A raw material mixing device for silicon carbide production according to claim 3, characterized in that: The interior of the connecting base (61) is snap-fitted with the surface of the limit block (66); the connecting base (61) is sleeved on the insertion shaft (65); one end of the connecting base (61) away from the insertion shaft (65) is slidably connected to a pressure rod (67); and a spring is sleeved on the pressure rod (67).

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