Water cooled centrifugal pipe casting machine
By using a horizontal rotary centrifugal structure and a water-cooled cooling and recovery system, the problem of mold heat accumulation during continuous operation of centrifugal pipe casting machines has been solved, achieving efficient cooling and precise control of the casting process, producing high-quality pipes with dense structure and accurate dimensions.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHENYANG DESHUN HIGH ALLOY MATERIAL CO LTD
- Filing Date
- 2025-07-29
- Publication Date
- 2026-07-07
AI Technical Summary
Existing centrifugal pipe casting machines suffer from mold heat accumulation during continuous operation, leading to defects such as porosity and cracks in the pipes, and also have insufficient cooling efficiency.
The system employs a horizontal rotary centrifugal structure and a water-cooled cooling and recovery system. The horizontal rotary centrifugal structure enables high-speed centrifugal forming of high-temperature molten metal, while the water-cooled cooling and recovery system circulates and cools the outer wall of the mold, ensuring that the pipe can quickly dissipate heat during the forming process.
It improves cooling efficiency, avoids structural defects in the pipes due to overheating, achieves efficient and precise casting process control, and produces high-quality pipes with dense structure and accurate dimensions, which are suitable for continuous production of large-diameter special pipes.
Smart Images
Figure CN224463660U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of casting production equipment, specifically a water-cooled centrifugal pipe casting machine. Background Technology
[0002] Centrifugal casting machines are specialized equipment used to manufacture metal pipes based on the principle of centrifugal force. The core principle involves injecting molten metal into a high-speed rotating mold. Under centrifugal force, the metal adheres evenly to the inner wall of the mold, and after cooling and solidification, forms a tubular casting. This process is particularly suitable for producing large-diameter, thin-walled, or special material pipes (such as cast iron pipes and alloy steel pipes). Compared to traditional casting, it features more complete metal filling, denser pipe structure, and superior mechanical properties. The equipment is typically equipped with a precision temperature control and speed adjustment system, which can accurately control casting parameters to ensure dimensional accuracy and surface finish of the pipes. To address the problem of mold heat accumulation during continuous operation, modern centrifugal casting machines often employ circulating water cooling or air cooling systems. Forced convection rapidly removes heat, preventing defects such as porosity and cracks in the pipes due to excessive temperature. While existing technologies may already offer solutions to these problems, this paper aims to provide an alternative or replacement technical solution. Utility Model Content
[0003] To achieve the above objectives, this utility model provides the following technical solution: a water-cooled centrifugal pipe casting machine, comprising: a water-receiving base, a guide chamber support seat, and a cooling water collection box. A horizontal rotary centrifugal structure is installed on the water-receiving base. The guide chamber support seat is connected to the horizontal rotary centrifugal structure. A water-cooling cooling and recovery structure is installed on the cooling water collection box. The horizontal rotary centrifugal structure comprises: a first support ring, a second support ring, a centrifugal casting chamber body, a pair of auxiliary water-blocking keys, a closed connecting cover, a positioning locking block, a pouring receiving box, a guide pouring pipe, an auxiliary running bearing, a casting chamber drive ring, a secondary connecting seat, a drive key protective shell, a casting chamber drive motor, a transmission gearbox, a drive turntable, and a pair of supporting ball sliding hoops.
[0004] The first support ring is installed on the water-receiving base, the second support ring is installed on the water-receiving base, the centrifugal casting chamber is inserted into the first support ring, and the centrifugal casting chamber is inserted into the second support ring. A pair of auxiliary water-blocking keys are respectively installed on the centrifugal casting chamber. The closed connecting cover is connected to the centrifugal casting chamber. The positioning locking block is installed on the closed connecting cover and is connected to the centrifugal casting chamber. The pouring receiving box is installed on the guide chamber support, the guide pouring pipe is installed on the pouring receiving box, and the guide pouring pipe is movably inserted into the centrifugal casting chamber. Above, the auxiliary running bearing is installed in the first support ring and connected to the centrifugal casting chamber body; a pair of supporting ball sliding hoops are respectively installed in the second support ring and respectively connected to the casting chamber drive ring; the casting chamber drive ring meshes with the drive turntable; the secondary connecting seat is connected to the drive key protective shell; the casting chamber drive motor is installed in the drive key protective shell; the transmission gearbox is installed in the drive key protective shell and connected to the casting chamber drive motor; the drive turntable is connected to the transmission gearbox via a rotating shaft.
[0005] It should be noted that, as described above, the casting chamber drive motor inside the protective shell of the drive key on the secondary connector drives the transmission gearbox. The running transmission gearbox, in turn, drives the drive turntable to rotate via its connected shaft. Because the rotating drive turntable meshes with the casting chamber drive ring, the casting chamber drive ring rotates within the second support ring, supported by a pair of ball bearing sliding clamps. Therefore, the centrifugal casting chamber rotates within the second support ring under the influence of the rotation of the casting chamber drive ring. Simultaneously, the auxiliary running bearing within the first support ring ensures smoother rotation of the centrifugal casting chamber. The molten metal is then injected into the guide pouring pipe through the pouring receiving box on the guide chamber carrier. The molten metal flows into the centrifugal casting chamber from the guide pouring pipe. During the rotation of the centrifugal casting chamber, the molten metal... The centrifuge tubes are evenly laid on the inner wall of the centrifugal casting chamber to achieve centrifugal casting. Then, water is continuously splashed onto the outer surface of the centrifugal casting chamber through the water cooling and recovery structure on the cooling water manifold. A pair of auxiliary water-proof keys on the centrifugal casting chamber prevent the water splashed on the centrifugal casting chamber from escaping to the two side ports of the centrifugal casting chamber, thus preventing the cooling water from entering the centrifugal casting chamber and interfering with the casting of the centrifuge tubes. After casting is completed, the rotation of the centrifugal casting chamber is stopped, and the positioning locking block is released, so the closed connecting cover can be separated from the centrifugal casting chamber. At this time, the centrifuge tubes can be easily taken out of the centrifugal casting chamber. The waterproof layer set on the drive key protective shell can effectively prevent cooling water from entering the drive key protective shell and causing damage to its internal components. The positioning lock on the positioning locking block can lock the closed connecting cover to the centrifugal casting chamber.
[0006] Preferably, the water-cooled cooling and recovery structure includes: a receiving permeable trough, a confluence box support frame, a water spray strip, several coordinating nozzles, a return water pipe, a drive water pump, and a guide water pipe;
[0007] The manifold support frame is mounted on the drive key protective shell, the cooling water manifold is mounted on the manifold support frame, a plurality of the coordinating nozzles are respectively mounted on the cooling water manifold, the water spray strip is mounted on the cooling water manifold, the water receiving base is provided with the water receiving and permeable groove, the water receiving and permeable groove is connected to the return water pipe, the return water pipe is connected to the drive water pump, the guide water pipe is connected to the drive water pump, and the guide water pipe is connected to the cooling water manifold;
[0008] It should be noted that, as described above, external cooling water is introduced into the guide water pipe through the water inlet valve installed on the drive water pump. Then, it is sprayed out from the spray bar and multiple coordinating nozzles through the cooling water manifold. The sprayed cooling water will pour onto the surface of the rotating centrifugal casting chamber, thereby cooling the molten metal inside the centrifugal casting chamber. The cooling water will then flow into the receiving permeable tank on the water-receiving base, and then flow back to the drive water pump through the return water pipe, circulating repeatedly. If the water is insufficient, cooling water can be continuously replenished to the drive water pump from the outside.
[0009] Preferably, the drive water pump is equipped with a water inlet valve;
[0010] Preferably, the positioning locking block is provided with a positioning latch;
[0011] Preferably, the drive key protective shell is provided with a maintenance and inspection port;
[0012] Preferably, the protective shell of the drive key is provided with a waterproof layer. Beneficial effects
[0013] This utility model provides a water-cooled centrifugal pipe casting machine. It offers the following advantages compared to existing technologies: This machine utilizes a horizontal rotary centrifugal structure to achieve high-speed centrifugal forming of high-temperature molten metal within a horizontally rotating centrifugal casting chamber. Under centrifugal force, the molten metal adheres evenly to the chamber wall, forming a preliminary pipe shape. Combined with a water-cooling and heat recovery structure, circulating cooling water continuously washes the outer wall of the mold, quickly dissipating the heat generated during casting and ensuring the pipe is adequately cooled during centrifugal forming. This water-cooling system not only improves cooling efficiency and prevents structural defects due to overheating, but also achieves water resource recycling through residual water recovery. With the dual systems working in tandem, the equipment ensures both effective centrifugal filling of the molten metal and precise control of the solidification process, ultimately producing high-quality pipes with dense structure and accurate dimensions. It is particularly suitable for the continuous production of large-diameter special pipes. Attached Figure Description
[0014] Figure 1 This is a front view trapezoidal sectional view of the water-cooled centrifugal pipe casting machine of this utility model.
[0015] Figure 2 This is a partial side view of the structure of the water-cooled centrifugal pipe casting machine described in this utility model.
[0016] Figure 3 This is a partial side view of the structure of the water-cooled centrifugal pipe casting machine described in this utility model.
[0017] In the diagram: 1. Water-bearing base; 2. Guide chamber support seat; 3. Cooling water manifold; 4. First support ring; 5. Second support ring; 6. Centrifugal casting chamber body; 7. Auxiliary water-blocking key; 8. Sealing connection cover; 9. Positioning locking block; 10. Casting receiving box; 11. Guide casting pipe; 12. Auxiliary running bearing; 13. Receiver permeable trough; 14. Casting chamber drive ring; 15. Secondary connection seat; 16. Drive key protective shell; 17. Casting chamber drive motor; 18. Transmission gearbox; 19. Drive turntable; 20. Manifold support frame; 21. Water spray strip; 22. Coordinating nozzle; 23. Return water pipe; 24. Drive water pump; 25. Guide water pipe; 26. Supporting ball bearing sliding hoop. Detailed Implementation
[0018] Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.
[0019] Those skilled in the art should connect all electrical components and their compatible power supplies in this case via wires. Appropriate controllers and encoders should be selected according to the actual situation to meet control requirements. The specific connection and control sequence should refer to the working principle described below, where the electrical components are connected in sequence. The detailed connection methods are well-known in the art. The following mainly introduces the working principle and process, and will not describe the electrical control further. Example
[0020] The present invention will now be described in detail with reference to the accompanying drawings, such as... Figure 1-3As shown, a water-cooled centrifugal pipe casting machine includes: a water-receiving base 1, a guide chamber support 2, and a cooling water collection tank 3. A horizontal rotary centrifugal structure is installed on the water-receiving base 1. The guide chamber support 2 is connected to the horizontal rotary centrifugal structure. A water-cooling cooling and recovery structure is installed on the cooling water collection tank 3. The horizontal rotary centrifugal structure includes: a first support ring 4, a second support ring 5, a centrifugal casting chamber body 6, a pair of auxiliary water-blocking keys 7, a closed connecting cover 8, a positioning locking block 9, a pouring receiving box 10, a guide pouring pipe 11, an auxiliary running bearing 12, a casting chamber drive ring 14, and a secondary connecting seat 15. The system includes a drive key protective shell 16, a casting chamber drive motor 17, a transmission gearbox 18, a drive turntable 19, and a pair of supporting ball bearing sliding hoops 26; the first support ring 4 is installed on the water-receiving base 1, the second support ring 5 is installed on the water-receiving base 1, the centrifugal casting chamber body 6 is inserted into the first support ring 4, and the centrifugal casting chamber body 6 is inserted into the second support ring 5; a pair of auxiliary water-blocking keys 7 are respectively installed on the centrifugal casting chamber body 6; the closed connecting cover 8 is connected to the centrifugal casting chamber body 6; the positioning locking block 9 is installed on the closed connecting cover 8, and the positioning lock... Stop block 9 is connected to the centrifugal casting chamber body 6. The pouring receiving box 10 is installed on the guide chamber support seat 2. The guide pouring pipe 11 is installed on the pouring receiving box 10 and is movably inserted into the centrifugal casting chamber body 6. The auxiliary running bearing 12 is installed inside the first support ring 4 and is connected to the centrifugal casting chamber body 6. A pair of supporting ball sliding hoops 26 are respectively installed inside the second support ring 5 and are respectively connected to the casting chamber drive ring 14. The casting chamber drive ring 14 is connected to... The drive turntables 19 mesh with each other, the secondary connecting seat 15 is connected to the drive key protective shell 16, the casting chamber drive motor 17 is installed inside the drive key protective shell 16, the transmission gearbox 18 is installed inside the drive key protective shell 16 and is connected to the casting chamber drive motor 17, and the drive turntable 19 is connected to the transmission gearbox 18 through a rotating shaft; the water-cooled cooling and recovery structure includes: a water-receiving permeable trough 13, a confluence box support frame 20, a water spray strip 21, several cooperating nozzles 22, a return water pipe 23, a drive water pump 24, and a guide water pipe 25;The manifold support frame 20 is mounted on the drive key protective shell 16. The cooling water manifold 3 is mounted on the manifold support frame 20. A plurality of coordinating nozzles 22 are respectively mounted on the cooling water manifold 3. The spray strips 21 are mounted on the cooling water manifold 3. The water-receiving base 1 has a water-receiving permeable groove 13, which is connected to the return water pipe 23. The return water pipe 23 is connected to the drive water pump 24. The guide water pipe 25 is connected to the drive water pump 24 and also to the cooling water manifold 3.
[0021] According to the appendix Figure 1-3It is concluded that by driving the casting chamber drive motor 17 inside the drive key protective shell 16 on the secondary connector 15, the operation of the casting chamber drive motor 17 drives the transmission gearbox 18 to run. The running transmission gearbox 18 drives the drive turntable 19 to rotate through the rotating shaft connected to it. Because the rotating drive turntable 19 meshes with the casting chamber drive ring 14, the casting chamber drive ring 14 rotates in the second support ring 5 relying on a pair of supporting ball sliding rings 26. Therefore, the centrifugal casting chamber 6 will rotate in the second support ring 5 under the rotation of the casting chamber drive ring 14. At the same time, the auxiliary in the first support ring 4 The running bearing 12 allows the centrifugal casting chamber 6 to rotate more smoothly. The molten metal is then injected into the guide pouring pipe 11 through the pouring receiving box 10 on the guide chamber support 2. The molten metal then flows into the centrifugal casting chamber 6 from the guide pouring pipe 11. During rotation, the molten metal is evenly spread on the inner wall of the centrifugal casting chamber 6, thus achieving centrifugal casting of the centrifugal tubes. Afterwards, water is continuously sprayed onto the outer surface of the centrifugal casting chamber 6 through the water cooling and recovery structure on the cooling water manifold 3. A pair of auxiliary... The water-blocking key 7 prevents water splashed onto the centrifugal casting chamber 6 from escaping to the ports on both sides of the chamber, thus preventing cooling water from entering the chamber and interfering with the casting of the centrifugal tubes. After casting is completed, the rotation of the centrifugal casting chamber 6 is stopped, and the positioning locking block 9 is released, allowing the sealing connecting cover 8 to be separated from the centrifugal casting chamber 6. At this point, the centrifugal tubes can be easily removed from the centrifugal casting chamber 6. The waterproof layer on the drive key protective shell 16 effectively prevents cooling water from entering the drive key protective shell 16 and causing damage to its internal components. The positioning lock on the positioning locking block 9 can also prevent water from entering the drive key protective shell 16 and causing damage to its internal components. The closed connecting cover 8 is connected and locked to the centrifugal casting chamber 6; through the water inlet valve on the drive water pump 24, external cooling water is introduced into the guide water pipe 25, and then sprayed out from the spray bar 21 and multiple cooperating nozzles 22 through the cooling water manifold 3. The sprayed cooling water will pour onto the surface of the rotating centrifugal casting chamber 6, thereby cooling the molten metal in the centrifugal casting chamber 6. Then the cooling water will flow into the receiving permeable trough 13 on the water receiving base 1, and then flow back to the drive water pump 24 through the return water pipe 23, and the cycle will continue. Once the water is insufficient, cooling water can be continuously replenished to the drive water pump 24 from the outside.
[0022] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A water-cooled centrifugal pipe casting machine, comprising: The system comprises a water-receiving base, a guide chamber support seat, and a cooling water manifold. A horizontal rotary centrifugal structure is mounted on the water-receiving base. The guide chamber support seat is connected to the horizontal rotary centrifugal structure. A water-cooling and heat recovery structure is mounted on the cooling water manifold. The horizontal rotary centrifugal structure includes: a first support ring, a second support ring, a centrifugal casting chamber body, a pair of auxiliary water-blocking keys, a closed connecting cover, a positioning locking block, a pouring receiving box, a guide pouring pipe, an auxiliary running bearing, a casting chamber drive ring, a secondary connecting seat, a drive key protective shell, a casting chamber drive motor, a transmission gearbox, a drive turntable, and a pair of supporting ball bearing sliding hoops. The first support ring is installed on the water-receiving base, the second support ring is installed on the water-receiving base, the centrifugal casting chamber is inserted into the first support ring, and the centrifugal casting chamber is inserted into the second support ring. A pair of auxiliary water-blocking keys are respectively installed on the centrifugal casting chamber. The closed connecting cover is connected to the centrifugal casting chamber. The positioning locking block is installed on the closed connecting cover and is connected to the centrifugal casting chamber. The pouring receiving box is installed on the guide chamber support, the guide pouring pipe is installed on the pouring receiving box, and the guide pouring pipe is movably inserted into the centrifugal casting chamber. Above, the auxiliary running bearing is installed in the first support ring and is connected to the centrifugal casting chamber body. A pair of supporting ball sliding hoops are respectively installed in the second support ring and are respectively connected to the casting chamber drive ring. The casting chamber drive ring meshes with the drive turntable. The secondary connecting seat is connected to the drive key protective shell. The casting chamber drive motor is installed in the drive key protective shell. The transmission gearbox is installed in the drive key protective shell and is connected to the casting chamber drive motor. The drive turntable is connected to the transmission gearbox through a rotating shaft.
2. The water-cooled centrifugal pipe casting machine according to claim 1, characterized in that, The water-cooled cooling and recovery structure includes: a receiving permeable trough, a junction box support frame, a water spray strip, several coordinating nozzles, a return water pipe, a drive water pump, and a guide water pipe; The manifold support frame is mounted on the drive key protective shell, the cooling water manifold is mounted on the manifold support frame, a plurality of the coordinating nozzles are respectively mounted on the cooling water manifold, the water spray strip is mounted on the cooling water manifold, the water receiving base is provided with the water receiving and permeable groove, the water receiving and permeable groove is connected to the return water pipe, the return water pipe is connected to the drive water pump, the guide water pipe is connected to the drive water pump, and the guide water pipe is connected to the cooling water manifold.
3. A water-cooled centrifugal pipe casting machine according to claim 2, characterized in that, The drive water pump is equipped with a water inlet valve.
4. A water-cooled centrifugal pipe casting machine according to claim 3, characterized in that, The positioning locking block is equipped with a positioning latch.
5. A water-cooled centrifugal pipe casting machine according to claim 4, characterized in that, The drive key protective shell is provided with a maintenance and inspection port.
6. A water-cooled centrifugal pipe casting machine according to claim 5, characterized in that, The drive key protective shell is provided with a waterproof layer.