An automatic spinning forming device for silicon carbide ceramic blanks

Abstract

The present invention relates to the field of ceramic blank forming, and specifically to an automatic spinning forming device for silicon carbide ceramic blanks, which includes a C-shaped plate, a mold, and a detector. The upper surface of the bottom of the C-shaped plate is connected to a spinning mechanism, which is used to adjust the feed rate and the rotation speed of the mold according to the plasticity of the blank, and the spinning mechanism is connected to the detector; the top of the C-shaped plate is connected to a pressing mechanism, which is used to press the blank into a specific thickness, and the pressing mechanism is connected to the spinning mechanism. By the combined use of the spinning mechanism and the pressing mechanism, the rotation speed and the feed rate of spinning can be adjusted accordingly according to the plasticity and fluidity of the blank, so as to ensure the forming quality.

Description

Technical Field

[0001] The present invention relates to the field of ceramic blank forming, and specifically to an automatic spinning forming device for silicon carbide ceramic blanks. Background Art

[0002] The ceramic blank is a process of making ceramic ingredients into a specified size and shape, which can be mainly carried out by methods such as dry pressing forming, plastic forming, slip casting forming, and isostatic pressing.

[0003] However, the existing ceramic blanks can also be formed by spinning. However, the existing automatic spinning forming device for silicon carbide ceramic blanks is difficult to adjust the spinning speed and feed rate according to the water content and fluidity of the blank. When the water content of the blank is too high, the plasticity of the blank will be too strong and it is easy to deform during spinning. At this time, the feed rate needs to be reduced. If the feed rate is too large, the blank may flow and have uneven thickness due to excessive pressure. On the contrary, when the water content of the blank is too low, the blank will become dry and have poor plasticity. At this time, the feed rate also needs to be reduced. If the feed rate is large, the blank is difficult to be evenly distributed on the mold and may crack due to lack of sufficient toughness; when the overall fluidity of the blank is poor, a smaller feed rate is required to avoid the situation of blank accumulation or incomplete filling; only when the water content of the blank is moderate and the fluidity is good at the same time, the feed rate and spinning speed of spinning need to be increased; when the feed rate increases, if the rotation speed remains unchanged, it may cause the blank to be unevenly distributed on the mold and local accumulation occurs. Therefore, the rotation speed needs to be appropriately increased; when the feed rate decreases, the rotation speed needs to be appropriately reduced. Summary of the Invention

[0004] The purpose of the present invention is to provide an automatic spinning forming device for silicon carbide ceramic blanks to solve the problems raised in the above background art. To achieve the above purpose, the present invention provides the following technical solution: An automatic spinning forming device for silicon carbide ceramic blanks, including a C-shaped plate, a mold, and a detector. The upper surface of the bottom of the C-shaped plate is connected with a spinning mechanism, and the spinning mechanism is used to adjust the feed rate and the rotation speed of the mold according to the plasticity of the blank. The spinning mechanism is connected with the detector;

[0005] The top of the C-shaped plate is connected with a pressing mechanism, and the pressing mechanism is used to press the blank into a specific thickness. The pressing mechanism is connected with the spinning mechanism.

[0006] Preferably, the spinning mechanism includes a support barrel fixedly connected to the upper surface of the bottom of the C-shaped plate. A detector is connected to the outer side of the top of the support barrel. The outer wall of the top of the support barrel is rotatably connected to an L-shaped ring. A toothed ring is connected to the top of the L-shaped ring. One side of the toothed ring is meshed and connected to a first gear. The first gear is rotatably connected to the side wall of the support barrel. One side of the first gear is connected to a differential assembly. The top of the differential assembly is connected to a forming assembly. The top of the differential assembly is connected to a support plate. A mold is connected to the top of the support plate. A plurality of clamping assemblies are connected to the outer side of the top of the support plate.

[0007] Preferably, the differential assembly includes a second gear meshed and connected to one side of the first gear. A rotating cylinder is fixedly connected to the top of the second gear. The rotating cylinder is rotatably connected to the upper surface inside the support barrel. A first telescopic member is connected to the upper surface inside the support barrel. The bottom of the first telescopic member is connected to a first lead screw. The first lead screw is matched with a first threaded hole provided at the center of the second gear. The bottom of the first lead screw is rotatably connected to a first rotating shaft. Third gears are connected to the upper and lower ends of the first rotating shaft. A fourth gear is connected to the middle of the first rotating shaft. A second telescopic member is connected to the bottom of the first rotating shaft. The second telescopic member is connected to the driving end of a first motor. The first motor is fixedly connected to the lower surface inside the support barrel;

[0008] The lower surface inside the support barrel is rotatably connected to a second rotating shaft. A one-way limiting assembly is connected to the bottom of the second rotating shaft. Two fifth gears are connected to the bottom of the second rotating shaft. The fifth gears are matched with the third gears;

[0009] The top end of the second rotating shaft passes through the support barrel and is connected to the support plate. A sixth gear is connected to the bottom of the second rotating shaft. The sixth gear is located between the two fifth gears. The sixth gear is matched with the fourth gear.

[0010] Preferably, the forming assembly includes a first synchronous pulley connected to the top of the second rotating shaft;

[0011] The outer wall of the top of the support barrel is rotatably connected to a second synchronous pulley. The second synchronous pulley is connected to the first synchronous pulley through a synchronous belt. A second lead screw is connected to the top of the second synchronous pulley. A spinning and forming rod is connected to the top of the second lead screw. A second threaded hole adapted to the second lead screw is provided on one side of the spinning and forming rod. A guide rod is fixedly connected to the bottom of one side of the spinning and forming rod;

[0012] A limiting groove is provided on one side of the top of the support barrel. An arc-shaped groove is provided at the top of the groove body of the limiting groove. The groove bodies of the limiting groove and the arc-shaped groove are matched with the guide rod.

[0013] Preferably, the one-way limiting assembly includes a ratchet connected to the bottom of the second rotating shaft;

[0014] A pawl is rotatably connected to the inner lower surface of the support barrel. The pawl cooperates with a ratchet wheel, and a first spring is sleeved on the rotating shaft of the pawl.

[0015] Preferably, the clamping assembly includes a third telescopic member connected to the outer side of the top of the support plate and a second spring sleeved on the third telescopic member. One side of the third telescopic member is connected to a clamping block, and one side of the top of the clamping block is provided with an inclined edge.

[0016] Preferably, the pressing mechanism includes a fourth telescopic member connected to the inner lower surface of the top of the C-shaped plate and a third spring sleeved on the fourth telescopic member. The bottom of the fourth telescopic member is connected to a second motor, the driving end of the second motor is connected to a pressure plate, a reset assembly is connected to the inner wall of the pressure plate, two sides of the outer wall of the pressure plate are fixedly connected with synchronizing rods, the outer ends of the synchronizing rods are connected to a fifth telescopic member, and the bottom of the fifth telescopic member is connected to a gear ring.

[0017] Preferably, the reset assembly includes cylinders connected to both sides of the inner lower surface of the top of the C-shaped plate. The driving ends of the cylinders are connected to a sliding plate, and one end of the sliding plate is slidably connected to an annular groove provided on the inner wall of the pressure plate.

[0018] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0019] In the present invention, through the combined use of the spinning mechanism and the pressing mechanism, due to the differences in plasticity and fluidity of the blank, it is necessary to make corresponding adjustments to the rotation speed and feed rate of spinning according to these characteristics to ensure the forming quality. When the plasticity of the blank is strong and the fluidity is poor, the time required for pressing the blank is relatively short, that is, the number of rotations of the pressure plate is small. In this case, the descending distance of the first lead screw is small, resulting in a small rotation speed of the second rotating shaft, and thus a small feed rate of the spinning forming rod. When the plasticity of the blank is poor and the fluidity is also poor, the pressing time of the blank is long. At this time, the descending distance of the first lead screw is large, resulting in a small rotation speed of the second rotating shaft, and thus a small feed rate of the spinning forming rod. When the plasticity of the blank is moderate and the fluidity is good, the pressing time of the blank is moderate. At this time, the descending distance of the first lead screw is moderate, resulting in a large rotation speed of the second rotating shaft, and thus a large feed rate of the spinning forming rod. Through such targeted adjustments, the forming quality of the blank is effectively improved.

[0020] In the present invention, through the combined use of the spinning mechanism and the detector, precise control of the pressing thickness of the blank is achieved to meet specific requirements. The spinning mechanism and the pressing mechanism work orderly under the command of the detector according to the information fed back by the detector. This closely coordinated working mode not only ensures that the blank can be stably pressed into the required specific thickness, but also greatly improves the accuracy and reliability of the entire pressing process.

[0021] In the present invention, through the combined use of the one-way limiting component and the pressing mechanism, when the pressing mechanism presses the blank, some acting forces will be generated, which can easily cause the second rotating shaft to rotate. The one-way limiting component can make the second rotating shaft rotate only in a single direction, preventing the pressing mechanism from causing the second rotating shaft to rotate, which would significantly increase the pressing time of the blank and may lead to uneven quality of the formed blank. This lays a solid foundation for efficiently and high-qualityly completing the blank forming work. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 is a schematic structural diagram of the whole of the present invention;

[0023] Figure 2 is a schematic structural diagram of the whole of the present invention with the C-shaped plate removed;

[0024] Figure 3 is a front elevation sectional view of the whole of the present invention with the C-shaped plate removed;

[0025] Figure 4 is a partial sectional view of the whole of the present invention with the C-shaped plate removed;

[0026] Figure 5 is a sectional view of the whole of the present invention with the C-shaped plate removed;

[0027] Figure 6 is a sectional view of a part of the device of the present invention;

[0028] Figure 7 is a partial sectional view of a part of the differential component structure of the present invention;

[0029] Figure 8 is Figure 6 the enlarged view at A in

[0030] Figure 9 is a schematic top view structure diagram of a part of the device of the present invention;

[0031] Figure 10 is Figure 9 the enlarged view at B in

[0032] Figure 11 is a schematic structural diagram of the spinning forming rod and the guide rod of the present invention.

[0033] In the figure: 1. C-shaped plate; 2. Spinning mechanism; 21. Support barrel; 22. Gear ring; 23. L-shaped ring; 24. First gear; 25. Second gear; 26. Rotating cylinder; 27. First telescopic member; 28. First lead screw; 29. First rotating shaft; 210. Third gear; 211. Fourth gear; 212. Second telescopic member; 213. First motor; 214. Second rotating shaft; 215. First synchronous pulley; 216. Fifth gear; 217. Sixth gear; 218. Ratchet; 219. Pawl; 220. First spring; 221. Synchronous belt; 222. Second synchronous pulley; 223. Second lead screw; 224. Spinning and forming rod; 225. Guide rod; 226. Support plate; 227. Third telescopic member; 228. Second spring; 229. Clamping block; 230. Limiting groove; 231. Arc groove; 3. Pressing mechanism; 31. Fourth telescopic member; 32. Third spring; 33. Second motor; 34. Pressing disc; 35. Annular groove; 36. Cylinder; 37. Slide plate; 38. Synchronous rod; 39. Fifth telescopic member; 4. Mold; 5. Detector. Specific embodiments

[0034] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

[0035] Please refer to Figures 1 to 11 , the present invention provides a technical solution: an automatic spinning and forming device for silicon carbide ceramic blanks, including a C-shaped plate 1, a mold 4 and a detector 5. The upper surface of the bottom of the C-shaped plate 1 is connected with a spinning mechanism 2. The spinning mechanism 2 is used to adjust the feed rate and the rotation speed of the mold 4 according to the plasticity of the blank. The spinning mechanism 2 is connected with the detector 5.

[0036] The top of the C-shaped plate 1 is connected with a pressing mechanism 3. The pressing mechanism 3 is used to press the blank into a specific thickness. The pressing mechanism 3 is connected with the spinning mechanism 2. It should be noted that: the detector 5 is a prior art and will not be elaborated here. The detector 5 is used to detect the blank. When the blank is pressed into a specific thickness by the pressing mechanism 3, at this time, the detector 5 cannot detect the blank, thereby controlling the operation of the spinning mechanism 2 and the pressing mechanism 3.

[0037] In this embodiment, as Figures 2 to 6As shown in the figure, the spinning mechanism 2 includes a support barrel 21 fixedly connected to the upper surface of the bottom of the C-shaped plate 1. A detector 5 is connected to the outer side of the top of the support barrel 21. The outer wall of the top of the support barrel 21 is rotatably connected to an L-shaped ring 23. A gear ring 22 is connected to the top of the L-shaped ring 23. One side of the gear ring 22 is meshed and connected to a first gear 24. The first gear 24 is rotatably connected to the side wall of the support barrel 21. One side of the first gear 24 is connected to a differential assembly. The top of the differential assembly is connected to a forming assembly. The top of the differential assembly is connected to a support plate 226. A mold 4 is connected to the top of the support plate 226. A plurality of clamping assemblies are connected to the outer side of the top of the support plate 226. It should be noted that by rotating the gear ring 22 to drive the first gear 24 to rotate, the differential assembly and the forming assembly can be driven to work. An annular stabilizing groove is provided on the outer wall of the support barrel 21, and the groove body of the annular stabilizing groove is matched with the L-shaped ring 23. A stabilizing hole is provided above the side wall of the support barrel 21, and the first gear 24 is rotatably connected in the stabilizing hole.

[0038] In this embodiment, as Figures 2 to 7 shown, the differential assembly includes a second gear 25 meshed and connected to one side of the first gear 24. A rotating cylinder 26 is fixedly connected to the top of the second gear 25. The rotating cylinder 26 is rotatably connected to the inner upper surface of the support barrel 21. A first telescopic member 27 is connected to the inner upper surface of the support barrel 21. The bottom of the first telescopic member 27 is connected to a first lead screw 28. The first lead screw 28 is matched with a first threaded hole provided at the center of the second gear 25. The bottom of the first lead screw 28 is rotatably connected to a first rotating shaft 29. Third gears 210 are connected to the upper and lower ends of the first rotating shaft 29. A fourth gear 211 is connected to the middle of the first rotating shaft 29. A second telescopic member 212 is connected to the bottom of the first rotating shaft 29. The second telescopic member 212 is connected to the driving end of a first motor 213. The first motor 213 is fixedly connected to the inner lower surface of the support barrel 21. It should be noted that by driving the second gear 25 to rotate through the first gear 24, the first lead screw 28 can be lifted and lowered. The first telescopic member 27 and the second telescopic member 212 are used to improve the stability of the first lead screw 28 and the first rotating shaft 29. By means of the first lead screw 28, the first rotating shaft 29 can be lifted and lowered, so that the third gears 210 and the fourth gear 211 are lifted and lowered. The fourth gear 211 is located between the two third gears 210.

[0039] A second rotating shaft 214 is rotatably connected to the inner lower surface of the support barrel 21. A one-way limiting assembly is connected to the bottom of the second rotating shaft 214. Two fifth gears 216 are connected to the bottom of the second rotating shaft 214. The fifth gears 216 are matched with the third gears 210.

[0040] The top end of the second rotating shaft 214 passes through the support barrel 21 to connect to the support plate 226. A sixth gear 217 is connected to the bottom of the second rotating shaft 214. The sixth gear 217 is located between two fifth gears 216, and the sixth gear 217 cooperates with the fourth gear 211. It should be noted that when the top third gear 210 is meshed and connected with the top fifth gear 216, the bottom third gear 210 does not cooperate with the bottom fifth gear 216, and the sixth gear 217 does not cooperate with the fourth gear 211. When the top third gear 210 descends and disengages from the top fifth gear 216, the sixth gear 217 is meshed and connected with the fourth gear 211, and at the same time the bottom third gear 210 does not cooperate with the bottom fifth gear 216. When the sixth gear 217 descends and disengages from the fourth gear 211, the bottom third gear 210 is meshed and connected with the bottom fifth gear 216, and the top third gear 210 does not cooperate with the top fifth gear 216. Also, the thicknesses of the sixth gear 217 and the fifth gear 216 are greater than the thicknesses of the third gear 210 and the fourth gear 211. The first motor 213 drives the second telescopic member 212 and the first rotating shaft 29 to rotate. Since the third gear 210 is meshed and connected with the fifth gear 216 or the sixth gear 217 is meshed and connected with the fourth gear 211, the second rotating shaft 214 can be rotated accordingly.

[0041] In this embodiment, as Figures 4 to 11 shown, the forming assembly includes a first synchronous pulley 215 connected to the top of the second rotating shaft 214.

[0042] The outer wall of the top of the support barrel 21 is rotatably connected with a second synchronous pulley 222. The second synchronous pulley 222 is connected to the first synchronous pulley 215 through a synchronous belt 221. The top of the second synchronous pulley 222 is connected to a second lead screw 223. The top of the second lead screw 223 is connected to a spinning and forming rod 224. A second threaded hole adapted to the second lead screw 223 is provided on one side of the spinning and forming rod 224. A guide rod 225 is fixedly connected to the bottom of one side of the spinning and forming rod 224. It should be noted that one end of the synchronous belt 221 passes through the support barrel 21 to cooperate with the second synchronous pulley 222. The first synchronous pulley 215 is driven to rotate by the second rotating shaft 214, so that the second synchronous pulley 222 is driven to rotate through the synchronous belt 221, and then the second lead screw 223 is driven to rotate. Since the second lead screw 223 cooperates with the second threaded hole, the spinning and forming rod 224 can be lifted and lowered.

[0043] One side of the top of the support barrel 21 is provided with a limit groove 230. The top of the groove body of the limit groove 230 is provided with an arc groove 231. The groove bodies of the limit groove 230 and the arc groove 231 are matched with the guide rod 225. It should be noted that when the limit groove 230 is matched with the guide rod 225, the spinning forming rod 224 can be restricted to prevent the spinning forming rod 224 from rotating with the second lead screw 223, which is convenient for the lifting of the spinning forming rod 224. When the guide rod 225 disengages from the limit groove 230, the guide rod 225 is matched with the arc groove 231. At this time, the spinning forming rod 224 can rotate with the second lead screw 223, so that the spinning forming rod 224 disengages from the position above the mold 4 to avoid interfering with the work of the downward pressing mechanism 3.

[0044] In this embodiment, as Figure 5 , Figure 6 and Figure 8 shown, the one-way limiting component includes a ratchet wheel 218 connected to the bottom of the second rotating shaft 214.

[0045] The inner lower surface of the support barrel 21 is rotatably connected with a ratchet pawl 219. The ratchet pawl 219 is matched with the ratchet wheel 218. The rotating shaft of the ratchet pawl 219 is sleeved with a first spring 220. It should be noted that the cooperation of the ratchet pawl 219 and the ratchet wheel 218 can make the second rotating shaft 214 rotate only in one direction, preventing the downward pressing mechanism 3 from driving the support plate 226 and the second rotating shaft 214 to rotate. The elastic force of the first spring 220 facilitates the reset of the ratchet pawl 219, so that the ratchet pawl 219 is matched with the ratchet wheel

END

[0046] In this embodiment, as Figure 6 and Figure 9 shown, the clamping component includes a third telescopic member 227 connected to the outer side of the top of the support plate 226 and a second spring 228 sleeved on the third telescopic member 227. One side of the third telescopic member 227 is connected with a clamping block 229, and one side of the top of the clamping block 229 is provided with an inclined side. It should be noted that the elastic force of the second spring 228 can make the clamping block 229 extrude the mold 4 to facilitate restricting the position of the mold 4. The mold 4 extruding the inclined side can make the clamping block 229 move, so that the clamping block 229 fixes the mold 4.

[0047] In this embodiment, as Figure 2 and Figure 3As shown in the figure, the pressing mechanism 3 includes a fourth telescopic member 31 connected to the lower surface of the top of the C-shaped plate 1 and a third spring 32 sleeved on the fourth telescopic member 31. The bottom of the fourth telescopic member 31 is connected to a second motor 33, the driving end of the second motor 33 is connected to a pressure plate 34, a reset assembly is connected to the inner wall of the pressure plate 34, both sides of the outer wall of the pressure plate 34 are fixedly connected with synchronizing rods 38, the outer ends of the synchronizing rods 38 are connected with fifth telescopic members 39, and the bottoms of the fifth telescopic members 39 are connected to a gear ring 22. It should be noted that: the elastic force of the third spring 32 can make the pressure plate 34 descend, so as to extrude the blank. The second motor 33 drives the pressure plate 34 to rotate, so that the blank can be pressed flat smoothly and evenly, making the blank meet the morphological standards required for subsequent processing. The pressure plate 34 can drive the synchronizing rods 38 and the fifth telescopic members 39 to rotate, so as to drive the gear ring 22 to rotate. Due to the different fluidity and plasticity of the blank, the time for the pressure plate 34 to press the blank into a specific thickness is different. When the plasticity is strong and the fluidity is poor, the pressing time of the blank is short. When the plasticity is poor and the fluidity is poor, the pressing time of the blank is long. When the plasticity is moderate and the fluidity is good, the pressing time of the blank is moderate.

[0048] In this embodiment, as Figure 2 and Figure 3 shown, the reset assembly includes cylinders 36 connected to both sides of the lower surface of the top of the C-shaped plate 1, the driving ends of the cylinders 36 are connected with sliding plates 37, and one end of the sliding plates 37 is slidably connected with an annular groove 35 arranged on the inner wall of the pressure plate 34. It should be noted that: after the blank is pressed flat, the cylinders 36 drive the pressure plate 34 to rise, so as to reset the pressure plate 34. When the blank is pressed flat, the detector 5 cannot detect the blank, so as to control the cylinders 36 and the second motor 33 to work. When the blank is formed, the spinning forming rod 224 is reset by controlling the second motor 33, and then the first lead screw 28 is reset by the first motor 213. Moreover, during the operation of the first motor 213 and the second motor 33, a constant rotation speed is always maintained, ensuring the quality of the blank forming.

[0049] In this embodiment, as Figures 1 to 11 shown, a method for using an automatic spinning forming device for silicon carbide ceramic blanks includes the following steps:

[0050] S1: First, place the mold 4 containing the blank on the support plate 226, and use the elastic force of the second spring 228 to make the clamping block 229 squeeze the mold 4 to fix the mold 4;

[0051] S2: Then, the elastic force of the third spring 32 enables the pressure plate 34 to descend, thereby extruding the blank. The second motor 33 drives the pressure plate 34 to rotate, thereby driving the synchronous rod 38 and the fifth telescopic member 39 to rotate, and then driving the gear ring 22 to rotate. The gear ring 22 drives the first gear 24 to rotate, thereby driving the second gear 25 to rotate, and then enabling the first lead screw 28 to descend. The first lead screw 28 enables the first rotating shaft 29 to descend, thereby causing the third gear 210 and the fourth gear 211 to descend, and making the third gear 210 meshed and connected with the fifth gear 216 or the sixth gear 217 meshed and connected with the fourth gear 211. When the blank is pressed to a specific thickness, the detector 5 cannot detect the blank, thereby causing the second motor 33 to stop rotating. At the same time, the cylinder 36 drives the pressure plate 34 to ascend, thereby resetting the pressure plate 34;

[0052] S3: The first motor 213 drives the second telescopic member 212 and the first rotating shaft 29 to rotate. Since the third gear 210 is meshed and connected with the fifth gear 216 or the sixth gear 217 is meshed and connected with the fourth gear 211, the second rotating shaft 214 can be enabled to rotate. When the third gear 210 is meshed and connected with the fifth gear 216, the rotation speed of the second rotating shaft 214 is slower. When the sixth gear 217 is meshed and connected with the fourth gear 211, the rotation speed of the second rotating shaft 214 is faster. The second rotating shaft 214 drives the first synchronous pulley 215 to rotate, thereby driving the second synchronous pulley 222 to rotate through the synchronous belt 221, and then driving the second lead screw 223 to rotate. The rotation of the second lead screw 223 enables the spinning forming rod 224 to descend, realizing the forming of the blank;

[0053] S4: After the blank is formed, reverse the second lead screw 223, thereby resetting the spinning forming rod 224, and then reset the first lead screw 28 through the second motor 33.

[0054] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art of this industry should understand that the present invention is not limited by the above embodiments. The above embodiments and the descriptions in the specification are only the preferred examples of the present invention and are not used to limit the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.

Claims

1. An automatic spinning forming device for a silicon carbide ceramic blank, comprising a C-shaped plate (1), a mold (4) and a detector (5), characterized in that: The upper surface of the bottom of the C-shaped plate (1) is connected to a spinning mechanism (2), and the spinning mechanism (2) is used to adjust the feed rate and the rotation speed of the mold (4) according to the plasticity of the blank. The spinning mechanism (2) is connected to a detector (5); The top of the C-shaped plate (1) is connected to a pressing mechanism (3), and the pressing mechanism (3) is used to press the blank into a specific thickness. The pressing mechanism (3) is connected to the spinning mechanism (2); The spinning mechanism (2) includes a support barrel (21) fixedly connected to the upper surface of the bottom of the C-shaped plate (1). The detector (5) is connected to the outer side of the top of the support barrel (21). The outer wall of the top of the support barrel (21) is rotatably connected to an L-shaped ring (23). A gear ring (22) is connected to the top of the L-shaped ring (23). One side of the gear ring (22) is meshed with a first gear (24). The first gear (24) is rotatably connected to the side wall of the support barrel (21). One side of the first gear (24) is connected to a differential assembly. The top of the differential assembly is connected to a forming assembly. The top of the differential assembly is connected to a support plate (226). The mold (4) is connected to the top of the support plate (226). A plurality of clamping assemblies are connected to the outer side of the top of the support plate (226); The differential assembly includes a second gear (25) meshed with one side of the first gear (24). The top of the second gear (25) is fixedly connected to a rotating cylinder (26). The rotating cylinder (26) is rotatably connected to the inner upper surface of the support barrel (21). A first telescopic member (27) is connected to the inner upper surface of the support barrel (21). The bottom of the first telescopic member (27) is connected to a first lead screw (28). The first lead screw (28) is matched with a first threaded hole provided at the center of the second gear (25). The bottom of the first lead screw (28) is rotatably connected to a first rotating shaft (29). Third gears (210) are connected to the upper and lower ends of the first rotating shaft (29). A fourth gear (211) is connected to the middle of the first rotating shaft (29). A second telescopic member (212) is connected to the bottom of the first rotating shaft (29). The second telescopic member (212) is connected to the driving end of a first motor (213). The first motor (213) is fixedly connected to the inner lower surface of the support barrel (21); A second rotating shaft (214) is rotatably connected to the inner lower surface of the support barrel (21). A one-way limiting assembly is connected to the bottom of the second rotating shaft (214). Two fifth gears (216) are connected to the bottom of the second rotating shaft (214). The fifth gears (216) are matched with the third gears (210); The top end of the second rotating shaft (214) passes through the support barrel (21) and is connected to the support plate (226). A sixth gear (217) is connected to the bottom of the second rotating shaft (214). The sixth gear (217) is located between the two fifth gears (216). The sixth gear (217) is matched with the fourth gear (211).

2. The automatic spinning forming device for silicon carbide ceramic blank according to claim 1, wherein: The forming assembly includes a first synchronous pulley (215) connected to the top of the second rotating shaft (214); A second synchronous pulley (222) is rotatably connected to the outer wall of the top of the support barrel (21). The second synchronous pulley (222) is connected to the first synchronous pulley (215) by a synchronous belt (221). A second lead screw (223) is connected to the top of the second synchronous pulley (222). A spinning rod (224) is connected to the top of the second lead screw (223). A second threaded hole adapted to the second lead screw (223) is provided on one side of the spinning rod (224). A guide rod (225) is fixedly connected to the bottom of one side of the spinning rod (224). A limiting groove (230) is provided on one side of the top of the support barrel (21). An arc groove (231) is provided on the top of the groove body of the limiting groove (230). The groove bodies of the limiting groove (230) and the arc groove (231) cooperate with the guide rod (225).

3. The automatic spin forming device for silicon carbide ceramic blanks according to claim 1, characterized in that: The one-way limiting assembly includes a ratchet wheel (218) connected to the bottom of the second rotating shaft (214). A ratchet pawl (219) is rotatably connected to the inner surface of the bottom of the support barrel (21). The ratchet pawl (219) cooperates with the ratchet wheel (218). A first spring (220) is sleeved on the rotating shaft of the ratchet pawl (219).

4. The automatic spin forming device for silicon carbide ceramic blank according to claim 1, characterized in that: The clamping assembly includes a third telescopic member (227) connected to the outer side of the top of the support plate (226) and a second spring (228) sleeved on the third telescopic member (227). A clamping block (229) is connected to one side of the third telescopic member (227). A bevel edge is provided on one side of the top of the clamping block (229).

5. The automatic spin forming device for silicon carbide ceramic blanks according to claim 1, characterized in that: The pressing mechanism (3) includes a fourth telescopic member (31) connected to the lower surface of the top of the C-shaped plate (1) and a third spring (32) sleeved on the fourth telescopic member (31). A second motor (33) is connected to the bottom of the fourth telescopic member (31). The driving end of the second motor (33) is connected to a pressure plate (34). A reset assembly is connected to the inner wall of the pressure plate (34). Synchronous rods (38) are fixedly connected to both sides of the outer wall of the pressure plate (34). A fifth telescopic member (39) is connected to the outer end of the synchronous rod (38). The bottom of the fifth telescopic member (39) is connected to a gear ring (22).

6. The automatic spin forming device for silicon carbide ceramic blanks according to claim 5, characterized in that: The reset assembly includes air cylinders (36) connected to both sides of the lower surface of the top of the C-shaped plate (1). The driving ends of the air cylinders (36) are connected to a sliding plate (37). One end of the sliding plate (37) is slidably connected to an annular groove (35) provided on the inner wall of the pressure plate (34).

Images