A centrifugal casting machine

Abstract

The present invention discloses a centrifugal casting machine, which belongs to the field of metal centrifugal casting. A centrifugal casting machine includes a centrifugal cylinder and a sealing shell, wherein the centrifugal cylinder is rotatably connected in the sealing shell, and both sides of the bottom of the sealing shell are fixedly connected to a driving seat, and both sides of the outer wall of the centrifugal cylinder are fixedly connected to a limiting ring, and the limiting ring is clamped in the top groove of the driving seat; the present invention can continuously fill the water tank with air flow through the repulsive action of the third magnetic block and the fourth magnetic block, and finally after the molten metal in the centrifugal cylinder is initially formed, it automatically sprays cooling water along the liquid guide pipe to the outer wall of the centrifugal cylinder, so that the molten metal inside is quickly cooled and shaped, effectively improving the casting efficiency, and cooperating with the setting of the sealing shell and the outer sealing plate to achieve the sealing of the centrifugal cylinder, firstly avoiding the splashing of the molten metal during centrifugal rotation, and secondly being able to complete the cooling process in a relatively sealed space, effectively improving the safety of casting.

Description

Technical Field

[0001] The invention relates to the technical field of metal centrifugal casting, in particular to a centrifugal casting machine. Background Art

[0002] A centrifugal casting machine is a type of casting equipment that pours liquid metal into a rotating mold, where it fills and solidifies under the influence of centrifugal force to form a casting. The high-speed rotation of the mold causes the molten metal to fill the mold under the influence of centrifugal force, thus forming the casting. Centrifugal casting is characterized by the molten metal forming and solidifying under the influence of centrifugal force, resulting in a dense casting with excellent mechanical properties, while saving material and energy. It is widely used in the production of various tubular, annular, and non-circular castings.

[0003] Currently, during the centrifugal casting process, heat is typically dissipated through airflow or material heat conduction, resulting in a slow cooling process. Furthermore, the castings must be hoisted to a cooling pool for cooling before production can be completed. This not only results in low casting efficiency but also poses safety risks during the hoisting of high-temperature castings. Therefore, a centrifugal casting machine was proposed. Summary of the Invention

[0004] The purpose of the present invention is to solve the problems of slow cooling and molding efficiency, low casting efficiency and certain safety hazards in the prior art, and to propose a centrifugal casting machine.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] A centrifugal casting machine includes a centrifugal cylinder and a sealing shell, wherein the centrifugal cylinder is rotatably connected in the sealing shell, and a driving seat is fixedly connected to both sides of the bottom of the sealing shell, and a limiting ring is fixedly connected to both sides of the outer wall of the centrifugal cylinder, and the limiting ring is clamped in the top groove of the driving seat. A centrifugal part for driving the limiting ring to rotate is provided in the driving seat, and also includes: a feeding assembly, which is arranged on the outer wall of the sealing shell, and the feeding assembly is used to transport molten metal liquid into the centrifugal cylinder; a cooling mechanism, which is arranged on the top of the sealing shell, and the cooling mechanism is used to accelerate the cooling of the initially formed metal liquid; a pneumatic assembly, which is arranged on the inner wall of the sealing shell, and the pneumatic assembly is used to accelerate the rotation of the centrifugal cylinder.

[0007] In order to improve the casting quality, preferably, the centrifugal part includes a supporting wheel, a driving compartment is opened in the driving seat, the supporting wheel is rotatably connected to the top of the driving compartment, and the supporting wheel is symmetrically arranged in two groups and rotates in engagement with the outer wall of the limiting ring, the bottom of the driving compartment is rotatably connected with a driving roller, the driving roller rotates in engagement with the side walls of the two groups of supporting wheels, the driving rollers in the two groups of driving compartments are fixedly connected by a linkage shaft, one side of the driving seat side wall is fixedly connected to a first motor, and the output shaft of the first motor is fixedly connected to the end of the linkage shaft.

[0008] Furthermore, the feeding assembly includes a bearing seat, which is fixedly connected to the bottom of the driving seat by a connecting plate, a reciprocating screw is rotatably connected between the bearing seat and the outer wall of the sealing shell, a second motor is fixedly connected to the side wall of the bearing seat, the output shaft of the second motor is fixedly connected to the end of the reciprocating screw, an outer sealing plate is threadedly connected to the reciprocating screw, a positioning guide rod is fixedly connected to the side wall of the bearing seat, the positioning guide rod passes through the side wall of the outer sealing plate and is slidably connected to it, a feeding pipe is fixed on the outer sealing plate, and the horizontal section of the feeding pipe passes through the central through groove of the centrifugal cylinder and the sealing shell and extends into the centrifugal cylinder.

[0009] In order to accelerate the blanking, further, a vibration seat is fixedly connected to the outer wall of the horizontal section of the feeding tube, and four groups of vibration seats are arranged at equal intervals along the central axis of the feeding tube. A knocking rod is slidably connected to the vibration seat, and a first spring is fixedly connected between the bottom of the knocking rod and the inner cavity of the vibration seat. A first magnetic block is fixedly connected to the top of the knocking rod, and a second magnetic block is fixedly connected to the inner wall of the central through groove at the input end of the centrifugal cylinder. The number of the second magnetic blocks matches that of the first magnetic blocks, and the second magnetic blocks and the first magnetic blocks magnetically repel each other.

[0010] In order to improve the cooling efficiency, preferably, the cooling mechanism includes a water tank, which is fixed on the top of the sealed shell, and a liquid guide tube is fixedly connected to the top of the inner cavity of the sealed shell, and the liquid guide tube is communicated with the inner cavity of the water tank, and a plurality of groups of liquid spray holes are evenly spaced at the bottom of the liquid guide tube, and an air pressure box is slidably connected to the top of the water tank, and a piston plate is slidably connected inside the air pressure box, and a second spring is fixedly connected between the top of the piston plate and the top of the inner cavity of the air pressure box, and a plug-in plate is fixedly connected to the bottom of the piston plate, and the bottom of the piston plate is plugged into the cavity of the liquid guide tube, and an inflation part for adaptively lifting the plug-in plate to release the blockage of the liquid guide tube is provided at the bottom of the sealed shell.

[0011] Furthermore, the inflation part includes an inflation box, which is fixed to the bottom of the sealing shell, and the center of the inflation box passes through the linkage shaft, and a rotating ring is fixedly connected to the outer wall of the linkage shaft located in the inflation box, and third magnetic blocks are fixedly connected on both sides of the outer wall of the rotating ring, and both sides of the inflation box are fixed and connected to a piston warehouse, and a fourth magnetic block is slidably connected in the piston warehouse, and a third spring is fixedly connected between the fourth magnetic block and the piston warehouse, and the fourth magnetic block and the third magnetic block magnetically repel each other, and the side wall of the piston warehouse is fixed and connected to an inflation tube, the other end of the inflation tube is connected to the top of the inner cavity of the water tank, and a one-way valve is provided in the inflation tube.

[0012] In order to improve the casting efficiency, preferably, the sealing shell is fixedly connected to a pneumatic bin at one end close to the outer sealing plate, and the pneumatic assembly includes a pressure accumulator tube, which is fixed on the inner wall of the pneumatic bin, and the input end of the pressure accumulator tube is connected to the inner cavity of the sealing shell, and an injection pipe is fixed on and connected to the outer wall of the bottom of the pressure accumulator tube, a sealing block is slidably connected in the pressure accumulator tube, and a fourth spring is fixedly connected between the side wall of the sealing block and the inner wall of the pressure accumulator tube, and pneumatic blades are fixed at equal intervals on the side wall of the end of the centrifugal cylinder located in the pneumatic bin, and the input end of the injection pipe is facing the side wall of the pneumatic blade.

[0013] Furthermore, the pneumatic chamber is slidably connected to the centrifugal cylinder, and the inner diameter of the central through groove of the pneumatic chamber is larger than the central through groove of the centrifugal cylinder, and the outer diameter of the outer sealing plate is larger than the central through groove of the pneumatic chamber.

[0014] In order to improve the energy-saving effect, preferably, the bottom of the pneumatic warehouse is fixed and connected to a return pipe, the other end of the return pipe is connected to the inner cavity of the piston warehouse, multiple groups of cooling pipes are fixedly connected to the outer wall of the return pipe, and a one-way valve is provided in the return pipe.

[0015] In order to improve safety, preferably, the sealing shell is rotatably connected to one end away from the pneumatic chamber with a sealing cover, the sealing cover slides in contact with the end of the centrifugal cylinder, and the bottom of the sealing cover is plugged into the outer wall of the sealing shell through a positioning pin.

[0016] Compared with the prior art, the present invention provides a centrifugal casting machine with the following beneficial effects:

[0017] 1. The centrifugal casting machine continuously fills the water tank with air flow while the centrifugal cylinder rotates through the repulsive action of the third magnetic block and the fourth magnetic block. Finally, after the molten metal in the centrifugal cylinder is initially formed, the centrifugal casting machine automatically sprays cooling water along the liquid guide pipe toward the outer wall of the centrifugal cylinder, so that the molten metal inside is quickly cooled and shaped, effectively improving the casting efficiency. In addition, the centrifugal cylinder is sealed by the arrangement of the sealing shell, the pneumatic chamber and the outer sealing plate. First, the splashing of the molten metal during centrifugal rotation is avoided. Second, the cooling process can be completed in a relatively sealed space, effectively improving the safety of casting.

[0018] 2. The centrifugal casting machine uses the high temperature of the centrifugal cylinder to make the cooling water flow absorb heat and be vaporized. After accumulating a certain pressure in the sealed shell, the sealing block is pushed open, and the high-pressure air flow is sprayed toward the pneumatic blades, thereby driving the centrifugal cylinder to rotate faster, achieving uniform cooling and improving the cooling effect. In addition, this part of the air flow will be condensed and then re-delivered to the water storage tank, realizing the recycling of the cooling water flow and improving the energy saving effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 The overall structure of a centrifugal casting machine proposed by the present invention is shown in FIG. Figure 1 ;

[0020] Figure 2 The overall structure of a centrifugal casting machine proposed by the present invention is shown in FIG. Figure 2 ;

[0021] Figure 3 This is a schematic diagram of the internal cross-sectional structure of a centrifugal drum of a centrifugal casting machine proposed by the present invention;

[0022] Figure 4 A centrifugal casting machine proposed by the present invention Figure 3 Schematic diagram of the enlarged structure of area A in the middle;

[0023] Figure 5 A centrifugal casting machine proposed by the present invention Figure 3 Schematic diagram of the enlarged structure of the middle B area;

[0024] Figure 6 This is a schematic diagram of the internal cross-sectional structure of a drive seat of a centrifugal casting machine proposed by the present invention;

[0025] Figure 7 This is a schematic diagram of the internal cross-sectional structure of a water storage tank of a centrifugal casting machine proposed by the present invention;

[0026] Figure 8 A centrifugal casting machine proposed by the present invention Figure 7 Schematic diagram of the enlarged structure of the middle C area;

[0027] Figure 9 A centrifugal casting machine proposed by the present invention Figure 7 Schematic diagram of the enlarged structure of the middle D area;

[0028] Figure 10 This is a schematic diagram of the internal cross-sectional structure of a pneumatic chamber of a centrifugal casting machine proposed by the present invention.

[0029] In the figure: 1, centrifugal cylinder; 2, sealing shell; 3, driving seat; 31, limiting ring; 32, driving chamber; 321, supporting wheel; 33, driving roller; 34, linkage shaft; 35, first motor; 4, bearing seat; 41, connecting plate; 42, reciprocating screw; 421, second motor; 43, outer sealing plate; 431, positioning guide rod; 44, feeding pipe; 45, vibration seat; 451, knocking rod; 452, first magnetic block; 453, first spring; 454, second magnetic block; 5, water tank; 51, guide Liquid pipe; 511, spray hole; 52, air pressure box; 521, piston plate; 522, second spring; 53, plug-in board; 6, inflation box; 61, rotating ring; 611, third magnetic block; 62, piston chamber; 621, fourth magnetic block; 622, third spring; 623, inflation pipe; 7, pneumatic chamber; 71, pressure accumulator; 711, blocking block; 712, fourth spring; 72, injection pipe; 73, pneumatic blade; 74, return pipe; 741, cooling pipe; 8, sealing cover; 81, positioning pin. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0031] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as limiting the present invention.

[0032] Example:

[0033] Reference Figures 1-10The cam 31 is fixed on the top of the cam 3 and is engaged with the cam 32, and the cam 33 is engaged with the cam 34.

[0034] Reference Figure 1-Figure 3 and Figure 6 , wherein the centrifugal part includes a supporting wheel 321, a driving bin 32 is opened in the driving seat 3, the supporting wheel 321 is rotatably connected to the top of the driving bin 32, and the supporting wheel 321 is symmetrically arranged in two groups and rotates in engagement with the outer wall of the limiting ring 31, the bottom of the driving bin 32 is rotatably connected to a driving roller 33, the driving roller 33 rotates in engagement with the side walls of the two groups of supporting wheels 321, and the driving rollers 33 in the two groups of driving bins 32 are fixedly connected by a linkage shaft 34, and a first motor 35 is fixedly connected to the side wall of the driving seat 3 on one side, and the output shaft of the first motor 35 is fixedly connected to the end of the linkage shaft 34; the feeding assembly includes a bearing seat 4, and the bearing seat 4 is connected to the driving The bottoms of the seats 3 are fixedly connected by a connecting plate 41, and a reciprocating screw 42 is rotatably connected between the bearing seat 4 and the outer wall of the sealing shell 2. A second motor 421 is fixedly connected to the side wall of the bearing seat 4, and the output shaft of the second motor 421 is fixedly connected to the end of the reciprocating screw 42. An outer sealing plate 43 is threadedly connected to the reciprocating screw 42, and a positioning guide rod 431 is fixedly connected to the side wall of the bearing seat 4. The positioning guide rod 431 passes through the side wall of the outer sealing plate 43 and is slidably connected to it. A feed pipe 44 is fixed on the outer sealing plate 43, and the horizontal section of the feed pipe 44 passes through the central through groove of the centrifugal cylinder 1 and the sealing shell 2 and extends into the centrifugal cylinder 1.

[0035] Through the arrangement of the above structure, the sealing cover 8 is rotated to a position that fits the end of the centrifuge cylinder 1, and the positioning pin 81 is used to plug and fix it between the sealing shell 2, so as to achieve the blocking of the end of the centrifuge cylinder 1. Then, the first motor 35 and the second motor 421 are turned on. The first motor 35 will drive the driving rollers 33 on both sides to rotate through the linkage shaft 34. At this time, the friction effect will be used to drive the supporting wheel 321 and the centrifuge cylinder 1 to rotate, and the second motor 421 will drive the reciprocating screw 42 to rotate, so that the feeding tube 44 is inserted into the centrifuge cylinder along the central through groove of the pneumatic bin 7 and the centrifuge cylinder 1. 1, the outer sealing plate 43 will eventually fit into the central groove of the pneumatic bin 7, thereby sealing the centrifugal cylinder 1 and preventing the metal liquid from splashing out during centrifugal rotation, effectively improving the safety during casting; then the molten metal liquid can be added to the rotating centrifugal cylinder 1, ensuring that the metal liquid can reach all parts of the inner cavity of the centrifugal cylinder 1 at the same time, improving the uniformity of the metal liquid casting, ensuring the casting quality, and under the action of centrifugal force, the molten metal liquid will be pushed to the inner wall of the centrifugal cylinder 1, effectively discharging the bubbles and impurities contained in the metal liquid, forming a dense metal part, and effectively improving the casting quality.

[0036] Reference Figure 3 、 Figure 5 , wherein, a vibration seat 45 is fixedly connected to the outer wall of the horizontal section of the feeding tube 44, and four groups of vibration seats 45 are arranged at equal intervals along the central axis of the feeding tube 44, a knocking rod 451 is slidably connected in the vibration seat 45, a first spring 453 is fixedly connected between the bottom of the knocking rod 451 and the inner cavity of the vibration seat 45, a first magnetic block 452 is fixedly connected to the top of the knocking rod 451, and a second magnetic block 454 is fixedly connected to the inner wall of the central through groove at the input end of the centrifugal cylinder 1, the number of the second magnetic blocks 454 is adapted to the first magnetic blocks 452, and the second magnetic blocks 454 and the first magnetic blocks 452 magnetically repel each other.

[0037] Through the arrangement of the above structure, under the repulsive action of the first magnetic block 452 and the second magnetic block 454, during the rotation of the centrifugal cylinder 1, the knocking rod 451 will reciprocate and impact the bottom of the vibration seat 45, thereby generating a vibration effect on the tube wall of the feeding tube 44, causing the molten metal to fall quickly, thereby improving the falling efficiency and reducing the blockage caused by the residual molten metal, thereby ensuring the fluidity of the feeding tube 44.

[0038] Reference Figure 3 、 Figure 7-Figure 9, wherein the cooling mechanism includes a water tank 5, which is fixed to the top of the sealed shell 2, and a liquid guide tube 51 is fixedly connected to the top of the inner cavity of the sealed shell 2, and the liquid guide tube 51 is communicated with the inner cavity of the water tank 5. A plurality of groups of liquid spray holes 511 are evenly spaced at the bottom of the liquid guide tube 51, and an air pressure box 52 is slidably connected to the top of the water tank 5, and a piston plate 521 is slidably connected inside the air pressure box 52, and a second spring 522 is fixedly connected between the top of the piston plate 521 and the top of the inner cavity of the air pressure box 52, and a plug-in plate 53 is fixedly connected to the bottom of the piston plate 521, and the bottom end of the plug-in plate 53 is plugged into the cavity of the liquid guide tube 51, and an inflation portion for adaptively lifting the plug-in plate 53 to release the blockage of the liquid guide tube 51 is provided at the bottom of the sealed shell 2; inflation portion It includes an inflation box 6, which is fixed at the bottom of the sealing shell 2, and the center of the inflation box 6 passes through the linkage shaft 34. A rotating ring 61 is fixedly connected to the outer wall of the linkage shaft 34 inside the inflation box 6, and third magnetic blocks 611 are fixedly connected on both sides of the outer wall of the rotating ring 61. Both sides of the inflation box 6 are fixed and connected with a piston warehouse 62, and a fourth magnetic block 621 is slidingly connected in the piston warehouse 62. A third spring 622 is fixedly connected between the fourth magnetic block 621 and the piston warehouse 62, and the fourth magnetic block 621 and the third magnetic block 611 magnetically repel each other. The side wall of the piston warehouse 62 is fixed and connected with an inflation tube 623, and the other end of the inflation tube 623 is connected to the top of the inner cavity of the water tank 5, and a one-way valve is provided in the inflation tube 623.

[0039] It should be noted that the one-way valve in the inflation tube 623 can only allow the gas or liquid in the piston chamber 62 to move into the water tank 5.

[0040] Through the arrangement of the above structure, during the rotation of the linkage shaft 34, the rotating ring 61 in the inflation box 6 will be driven to rotate, so that the third magnetic block 611 and the fourth magnetic block 621 are intermittently in a repulsive state. Under the repulsive action of the two, the fourth magnetic block 621 will be retracted into the piston chamber 62, thereby compressing the air flow in the piston chamber 62 and opening the one-way valve in the inflation pipe 623, so that this part of the air flow enters the water storage tank 5, so that the air pressure inside the water storage tank 5 increases, and pushes the piston plate 521 to move upward with the plug plate 53. When the centrifugal cylinder 1 is After the molten metal is initially shaped under the action of centrifugation, the air pressure in the water tank 5 will also push the plug-in plate 53 to leave the inner cavity of the liquid guide tube 51, so that the liquid guide tube 51 is connected to the inner cavity of the sealing shell 2. At this time, the cooling water flow in the water tank 5 will be sprayed toward the outer wall of the centrifugal cylinder 1, thereby cooling the centrifugal cylinder 1, so that the molten metal inside it is quickly cooled and shaped, effectively improving the casting efficiency. In addition, by rapidly cooling the casting from the outside to the inside, shaped crystals can be formed in the casting, which is beneficial to improving the mechanical and physical properties of the casting and improving the quality of the casting.

[0041] Reference Figure 3 、 Figure 4and Figure 10 , wherein, one end of the sealed shell 2 close to the outer sealing plate 43 is fixedly connected to the pneumatic bin 7, the pneumatic assembly includes a pressure accumulator tube 71, the pressure accumulator tube 71 is fixed on the inner wall of the pneumatic bin 7, and the input end of the pressure accumulator tube 71 is connected to the inner cavity of the sealed shell 2, the outer wall of the bottom of the pressure accumulator tube 71 is fixed and connected to the injection pipe 72, the pressure accumulator tube 71 is slidably connected to the inner wall of the pressure accumulator tube 71, and a fourth spring 712 is fixedly connected between the side wall of the blocking block 711 and the inner wall of the pressure accumulator tube 71, located at the end of the centrifugal cylinder 1 of the pneumatic bin 7 Pneumatic blades 73 are fixed at equal intervals on the side wall, and the input end of the air injection pipe 72 faces the side wall of the pneumatic blade 73; the pneumatic chamber 7 is slidably connected to the centrifugal cylinder 1, and the inner diameter of the central groove of the pneumatic chamber 7 is larger than the central groove of the centrifugal cylinder 1. The outer diameter of the outer sealing plate 43 is larger than the central groove of the pneumatic chamber 7. The end of the sealing shell 2 away from the pneumatic chamber 7 is rotatably connected to the sealing cover 8, which slides in contact with the end of the centrifugal cylinder 1, and the bottom of the sealing cover 8 is inserted into the outer wall of the sealing shell 2 via a positioning pin 81. The bottom of the pneumatic chamber 7 is fixed and connected to a return pipe 74, the other end of which is connected to the inner cavity of the piston chamber 62. Multiple groups of cooling pipes 741 are fixedly connected to the outer wall of the return pipe 74, and a one-way valve is provided in the return pipe 74.

[0042] It should be noted that the one-way valve in the return pipe 74 can only allow the airflow or liquid in the pneumatic chamber 7 to move into the piston chamber 62.

[0043] With the above-described structure, during the cooling process, the water will be vaporized due to the high temperature of the outer wall of the centrifugal cylinder 1. At this time, the air pressure in the sealed shell 2 will continue to increase, eventually pushing the blocking block 711 in the pressure accumulator tube 71 to slide. When the blocking block 711 passes the input end of the jet pipe 72, the high-pressure airflow will pass through the jet pipe 72 and spray toward the pneumatic blades 73, thereby driving the centrifugal cylinder 1 to rotate more rapidly, achieving uniform cooling and improving the cooling effect. After driving the pneumatic blades 73 to rotate, this part of the gas is sucked into the piston chamber 62 through the return pipe 74. Under the condensation effect of the multiple sets of cooling pipes 741, it is cooled again and liquefied into liquid water. The water flowing into the piston chamber 62 will be carried into the water storage tank 5 during the continuous aeration process, realizing the recycling of the cooling water flow and improving the energy saving effect.

[0044] Reference Figures 1-10In the present invention, when in use, first rotate the sealing cover 8 to a position that fits the end of the centrifugal cylinder 1, and use the positioning pin 81 to plug and fix it between the sealing shell 2, so as to achieve the blocking of the end of the centrifugal cylinder 1, then turn on the first motor 35 and the second motor 421, and the first motor 35 will drive the driving rollers 33 on both sides to rotate through the linkage shaft 34. At this time, the friction effect will be used to drive the supporting wheel 321 and the centrifugal cylinder 1 to rotate, and the second motor 421 will drive the reciprocating screw 42 to rotate, so that the feeding pipe 44 is inserted into the centrifugal cylinder 1 along the central through groove of the pneumatic bin 7 and the centrifugal cylinder 1, and finally the outer sealing plate 43 will be in contact with the central through groove of the pneumatic bin 7, so as to achieve the blocking of the centrifugal cylinder 1, avoid the splashing of molten metal during centrifugal rotation, and effectively improve the safety during casting. property; molten metal liquid can then be added to the rotating centrifugal cylinder 1, ensuring that the metal liquid can reach all parts of the inner cavity of the centrifugal cylinder 1 at the same time, improving the uniformity of metal liquid casting, ensuring the casting quality, and under the action of centrifugal force, the molten metal liquid will be pushed to the inner wall of the centrifugal cylinder 1, effectively discharging the bubbles and impurities contained in the metal liquid, forming a dense metal part, and effectively improving the casting quality; and under the repulsive action of the first magnetic block 452 and the second magnetic block 454, during the rotation of the centrifugal cylinder 1, the knocking rod 451 will reciprocate and collide with the bottom of the vibration seat 45, thereby generating a vibration effect on the wall of the feed pipe 44, causing the metal liquid to fall quickly, thereby improving the blanking efficiency, and reducing the blockage caused by the residual metal liquid, thereby ensuring the fluidity of the feed pipe 44.

[0045] During the rotation of the linkage shaft 34, the rotating ring 61 in the inflation box 6 will be driven to rotate, so that the third magnetic block 611 and the fourth magnetic block 621 are intermittently in a repulsive state. Under the repulsive action of the two, the fourth magnetic block 621 will retract into the piston chamber 62, thereby compressing the air flow in the piston chamber 62 and opening the one-way valve in the inflation pipe 623, so that this part of the air flow enters the water storage tank 5, thereby increasing the air pressure inside the water storage tank 5. When the third magnetic block 611 and the fourth magnetic block 621 are separated from the repulsive area, the fourth magnetic block 621 will be reset under the rebound action of the third spring 622, thereby opening the one-way valve in the return pipe 74, so that the gas in the pneumatic chamber 7 is replenished into the inflation box 6, so that the water pressure in the water storage tank 5 can be increased. The water tank 5 is continuously inflated, and when the air pressure in the water tank 5 increases, the piston plate 521 will be pushed to move upward with the plug-in plate 53. When the molten metal in the centrifugal cylinder 1 is initially shaped under the centrifugal action, the air pressure in the water tank 5 will also push the plug-in plate 53 to leave the inner cavity of the liquid guide tube 51, so that the liquid guide tube 51 is connected with the inner cavity of the sealing shell 2. At this time, the cooling water flow in the water tank 5 will be sprayed toward the outer wall of the centrifugal cylinder 1, so as to cool the centrifugal cylinder 1 and quickly cool the molten metal inside it, thereby effectively improving the casting efficiency. In addition, by rapidly cooling the casting from the outside to the inside, shaped crystals can be formed in the casting, which is beneficial to improving the mechanical and physical properties of the casting and improving the quality of the casting. During the cooling process, the water will be vaporized due to the high temperature of the outer wall of the centrifugal cylinder 1. At this time, the air pressure in the sealed shell 2 will continue to increase, eventually pushing the blocking block 711 in the pressure accumulator tube 71 to slide. When the blocking block 711 passes the input end of the jet pipe 72, the high-pressure airflow will pass through the jet pipe 72 and spray toward the pneumatic blades 73, thereby driving the centrifugal cylinder 1 to rotate more quickly, achieving uniform cooling and improving the cooling effect. After driving the pneumatic blades 73 to rotate, this part of the gas is sucked into the piston chamber 62 through the return pipe 74. Under the condensation effect of the multiple sets of cooling pipes 741, it is cooled again and liquefied into liquid water. The water flowing into the piston chamber 62 will be brought into the water storage tank 5 during the continuous aeration process, realizing the recycling of the cooling water flow and improving the energy saving effect.

[0046] The above description is only a preferred specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any technician familiar with the technical field, within the technical scope disclosed by the present invention, who makes equivalent replacements or changes based on the technical solution and inventive concept of the present invention, should be covered by the scope of protection of the present invention.

Claims

1. A centrifugal casting machine, comprising a centrifugal cylinder (1) and a sealing shell (2), characterized in that: The centrifugal cylinder (1) is rotatably connected in the sealing shell (2), and the bottom two sides of the sealing shell (2) are fixedly connected to the driving seat (3), and the outer wall of the centrifugal cylinder (1) is fixedly connected to the limiting ring (31), and the limiting ring (31) is clamped in the top groove of the driving seat (3). A centrifugal part for driving the limiting ring (31) to rotate is provided in the driving seat (3), and the centrifugal part includes a supporting wheel (321). A driving chamber (32) is provided in the driving seat (3), and the supporting wheel (321) is rotatably connected to the top of the driving chamber (32). The supporting wheels (321) are symmetrically arranged in two groups and rotate in contact with the outer wall of the limiting ring (31). The bottom of the driving chamber (32) is rotatably connected to a driving roller (33). The driving roller (33) rotates in contact with the side walls of the two groups of supporting wheels (321). The driving rollers (33) in the two groups of driving chambers (32) are fixedly connected via a linkage shaft (34). A first motor (35) is fixedly connected to the side wall of the driving seat (3) on one side. The output shaft of the first motor (35) is fixedly connected to the end of the linkage shaft (34). The driving chamber (32) further comprises: A feeding assembly is provided on the outer wall of the sealing shell (2), and is used for conveying molten metal liquid into the centrifugal cylinder (1). The feeding assembly includes a bearing seat (4), the bearing seat (4) and the bottom of the driving seat (3) are fixedly connected via a connecting plate (41), a reciprocating screw (42) is rotatably connected between the bearing seat (4) and the outer wall of the sealing shell (2), a second motor (421) is fixedly connected to the side wall of the bearing seat (4), and the second motor (421) ) is fixedly connected to the end of the reciprocating screw (42), the reciprocating screw (42) is threadedly connected to an outer sealing plate (43), a positioning guide rod (431) is fixedly connected to the side wall of the bearing seat (4), the positioning guide rod (431) passes through the side wall of the outer sealing plate (43) and is slidably connected thereto, a feed pipe (44) is fixed to the outer sealing plate (43), and a horizontal section of the feed pipe (44) passes through the central through groove of the centrifugal cylinder (1) and the sealing shell (2) and extends into the centrifugal cylinder (1); A cooling mechanism is provided at the top of the sealed shell (2). The cooling mechanism is used to accelerate the cooling of the initially formed metal liquid. The cooling mechanism includes a water tank (5). The water tank (5) is fixed to the top of the sealed shell (2). A liquid guide tube (51) is fixedly connected to the top of the inner cavity of the sealed shell (2). The liquid guide tube (51) is communicated with the inner cavity of the water tank (5). A plurality of groups of liquid spray holes (511) are provided at equal intervals at the bottom of the liquid guide tube (51). The top of the water tank (5) is slidably connected to a liquid guide tube (51). An air pressure box (52), wherein a piston plate (521) is slidably connected to the air pressure box (52), a second spring (522) is fixedly connected between the top of the piston plate (521) and the top of the inner cavity of the air pressure box (52), a plug-in plate (53) is fixedly connected to the bottom of the piston plate (521), the bottom end of the plug-in plate (53) is plugged into the cavity of the liquid guide tube (51), and an inflation portion for adaptively lifting the plug-in plate (53) to release the blockage of the liquid guide tube (51) is provided at the bottom of the sealing shell (2); A pneumatic assembly is provided on the inner wall of the sealed shell (2), and the pneumatic assembly is used to accelerate the rotation of the centrifugal cylinder (1). The inflation portion includes an inflation box (6), the inflation box (6) is fixed to the bottom of the sealed shell (2), and the center of the inflation box (6) in the linkage shaft (34) passes through. A rotating ring (61) is fixedly connected to the outer wall of the linkage shaft (34) located in the inflation box (6), and both sides of the outer wall of the rotating ring (61) are fixedly connected to third magnetic blocks (611). Both sides of the inflation box (6) The piston chamber (62) is fixed and connected to the piston chamber (62), a fourth magnetic block (621) is slidably connected to the piston chamber (62), a third spring (622) is fixedly connected between the fourth magnetic block (621) and the piston chamber (62), and the fourth magnetic block (621) and the third magnetic block (611) are magnetically repelled from each other, and an inflation tube (623) is fixed to the side wall of the piston chamber (62) and connected to the other end of the inflation tube (623) and the top of the inner cavity of the water storage tank (5), and a one-way valve is provided in the inflation tube (623).

2. A centrifugal casting machine according to claim 1, characterized in that: A vibration seat (45) is fixedly connected to the outer wall of the horizontal section of the feeding tube (44), and four groups of the vibration seats (45) are arranged at equal intervals along the central axis of the feeding tube (44). A knocking rod (451) is slidably connected to the vibration seat (45), a first spring (453) is fixedly connected between the bottom of the knocking rod (451) and the inner cavity of the vibration seat (45), a first magnetic block (452) is fixedly connected to the top of the knocking rod (451), and a second magnetic block (454) is fixedly connected to the inner wall of the central through groove at the input end of the centrifugal cylinder (1), the number of the second magnetic block (454) and the first magnetic block (452) is adapted, and the second magnetic block (454) and the first magnetic block (452) magnetically repel each other.

3. A centrifugal casting machine according to claim 1, characterized in that: One end of the sealing shell (2) close to the outer sealing plate (43) is fixedly connected to the pneumatic bin (7), and the pneumatic assembly includes a pressure accumulator (71), the pressure accumulator (71) is fixed on the inner wall of the pneumatic bin (7), and the input end of the pressure accumulator (71) is communicated with the inner cavity of the sealing shell (2), an injection pipe (72) is fixed on the outer wall of the bottom of the pressure accumulator (71) and is communicated with, a blocking block (711) is slidably connected in the pressure accumulator (71), a fourth spring (712) is fixedly connected between the side wall of the blocking block (711) and the inner wall of the pressure accumulator (71), and pneumatic blades (73) are fixed at equal intervals on the side wall of the end of the centrifugal cylinder (1) located in the pneumatic bin (7), and the input end of the injection pipe (72) is directly opposite to the side wall of the pneumatic blade (73).

4. A centrifugal casting machine according to claim 3, characterized in that: The pneumatic bin (7) is slidably connected to the centrifugal cylinder (1), and the inner diameter of the central through-slot of the pneumatic bin (7) is larger than the central through-slot of the centrifugal cylinder (1), and the outer diameter of the outer sealing plate (43) is larger than the central through-slot of the pneumatic bin (7).

5. A centrifugal casting machine according to claim 3, characterized in that: The bottom of the pneumatic chamber (7) is fixed and connected to a return pipe (74), the other end of the return pipe (74) is connected to the inner cavity of the piston chamber (62), multiple groups of cooling pipes (741) are fixedly connected to the outer wall of the return pipe (74), and a one-way valve is provided in the return pipe (74).

6. A centrifugal casting machine according to claim 3, characterized in that: The sealing shell (2) is rotatably connected to one end thereof away from the pneumatic chamber (7). The sealing cover (8) is slidably engaged with the end of the centrifugal cylinder (1), and the bottom of the sealing cover (8) is plugged into the outer wall of the sealing shell (2) via a positioning pin (81).

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