Water cooling system of centrifugal pipe casting machine
By setting up inlet chambers, cooling water spray chambers, and guide devices at the spigot and socket ends of the cooling water jacket, the problem of low efficiency in the cooling system of traditional centrifugal pipe casting machines is solved, achieving a more efficient cooling effect and reduced costs.
Patent Information
- Application Number
- CN202520188018.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-07
- Publication Date
- 2026-01-06
- Estimated Expiration
- 2035-02-07
AI Technical Summary
Traditional centrifugal casting machines have slow water circulation and low cooling efficiency in their cooling systems, resulting in low production efficiency of cast iron pipes and failing to effectively cool the spigot and socket ends where heat is concentrated in the pipe mold.
A water inlet chamber, a cooling water spray chamber, and a guide device are provided at the spigot and socket ends of the cooling water jacket. The cooling water is evenly distributed through multiple cooling water pipes, and the cooling water circulation is accelerated by utilizing the gap between the guide device and the water jacket, thereby improving cooling efficiency.
This improved the cooling efficiency of the cooling water for the pipe mold, reduced the space requirement for the cooling water jacket, lowered the weight and production cost of the centrifugal pipe casting machine, and enhanced product competitiveness.
Smart Images
Figure CN223762107U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of cast iron pipe production equipment, and in particular to a water cooling system for a centrifugal pipe casting machine. Background Technology
[0002] Centrifugal casting machines are essential equipment in cast iron pipe production, used for forming cast iron pipes. The production temperature of centrifugal casting machines is relatively high, and after the cast iron pipes are formed, the mold needs to be cooled by a cooling system.
[0003] Traditional centrifugal casting machine cooling systems use a water jacket outside the mold, with two inlets and one outlet for water cooling circulation. However, due to the large size of the water jacket, the water circulation speed is slow, the cooling efficiency is low, and the cooling effect is poor, resulting in low production efficiency of cast iron pipes. Furthermore, traditional centrifugal casting machine cooling systems do not address the heat concentration at the spigot and socket ends of the mold, leading to unsatisfactory cooling performance. Utility Model Content
[0004] This invention primarily addresses the technical problems of slow water circulation, low cooling efficiency, and poor cooling effect in traditional centrifugal casting machine cooling systems, which lead to low production efficiency of cast iron pipes. It proposes a centrifugal casting machine water cooling system that provides better cooling for the spigot and socket ends where heat is concentrated in the pipe mold, and also improves the cooling efficiency of the cooling water on the pipe mold.
[0005] This utility model provides a water cooling system for a centrifugal pipe casting machine, comprising: an inlet pipe, a drain pipe, and a cooling water jacket, characterized in that:
[0006] The cooling water jacket has a spigot end with a spigot end water inlet chamber and a spigot end cooling water spray chamber. The inlet of the spigot end water inlet chamber is connected to an inlet pipe, and the outlet of the spigot end water inlet chamber is connected to multiple spigot end cooling water pipes. The multiple spigot end cooling water pipes are evenly distributed around the circumference of the spigot end cooling water spray chamber. The spigot end cooling water spray chamber is connected to a spigot end cooling water guiding device. The spigot end cooling water guiding device is located on the cooling water jacket and close to the spigot end cooling water spray chamber. A gap is left between the spigot end cooling water guiding device and the cooling water jacket. The gap between the spigot end cooling water guiding device and the cooling water jacket is connected to a drain pipe.
[0007] The cooling water jacket has a socket end water inlet cavity and a socket end cooling water spray cavity; the inlet of the socket end water inlet cavity is connected to the water inlet pipe, and the outlet of the socket end water inlet cavity is connected to multiple socket end cooling water pipes; the multiple socket end cooling water pipes are evenly distributed in the circumferential direction of the socket end cooling water spray cavity; the socket end cooling water spray cavity is connected to the socket end cooling water guiding device; the socket end cooling water guiding device is located on the cooling water jacket and close to the socket end cooling water spray cavity; a gap is left between the socket end cooling water guiding device and the cooling water jacket; the gap between the socket end cooling water guiding device and the cooling water jacket is connected to the drain pipe.
[0008] Preferably, the input end of the water inlet pipe is connected to a water source, the output end of the water inlet pipe is connected to the first interface of the tee connector, the second interface of the tee connector is connected to the inlet cavity of the spigot end, and the third interface of the tee connector is connected to the inlet cavity of the socket end.
[0009] Preferably, a first flow regulating shut-off valve is provided on the connecting pipe between the second interface of the tee connector and the water inlet cavity at the plug end;
[0010] A second flow regulating shut-off valve is installed on the connecting pipe between the third interface of the tee joint and the water inlet cavity of the socket end.
[0011] Preferably, the cooling water jacket is provided with a drain cavity;
[0012] The gap between the cooling water guide device at the insertion end and the cooling water jacket is connected to the drainage cavity;
[0013] The gap between the cooling water guide device at the socket end and the cooling water jacket is connected to the drainage cavity;
[0014] The drainage cavity is connected to the drainage pipe.
[0015] Preferably, the socket end cooling water pipe has a bend section and a straight section detachably connected to the bend section.
[0016] This utility model provides a water cooling system for a centrifugal pipe casting machine. The system includes a spigot end water inlet chamber and a spigot end cooling water spray chamber, with multiple spigot end cooling water pipes evenly arranged circumferentially in the spigot end cooling water spray chamber. Similarly, a socket end water inlet chamber and a socket end cooling water spray chamber are provided at the socket end, with multiple socket end cooling water pipes evenly arranged circumferentially in the socket end cooling water spray chamber. This system provides better cooling for the spigot and socket ends where heat is concentrated in the pipe mold, and also improves the cooling efficiency of the cooling water on the pipe mold. By incorporating cooling water guiding devices at the spigot and socket ends within the cooling water jacket, the cooling water flows through the gaps between these devices and the cooling water jacket during its return flow, ultimately reaching the drainage chamber. This reduces the space between the spigot and socket cooling water guiding devices and the pipe mold. Combined with the high-speed rotation of the pipe mold, this accelerates the cooling water circulation, improving circulation efficiency and thus enhancing the cooling efficiency of the pipe mold. Simultaneously, the reduced space requirement of the cooling water jacket decreases the weight of the centrifugal casting machine, further lowering production costs and enhancing the overall competitiveness of the product. Attached Figure Description
[0017] Figure 1 This is a front view of the water cooling system for the centrifugal pipe casting machine provided by this utility model;
[0018] Figure 2 yes Figure 1 Enlarged schematic diagram of the middle connector end;
[0019] Figure 3 yes Figure 1 Enlarged schematic diagram of the middle socket end;
[0020] Figure 4 This is a top view of the water cooling system for the centrifugal pipe casting machine provided by this utility model;
[0021] Figure 5 This is a schematic diagram of the arrangement of the cooling water pipes at the connector end;
[0022] Figure 6 This is a schematic diagram of the arrangement of the cooling water pipes at the socket end.
[0023] Reference numerals in the attached drawings: 1. Cooling water pipe at the spigot end; 2. Cooling water guide device at the spigot end; 3. Cooling water guide device at the socket end; 4. Cooling water pipe at the socket end; 5. First flow regulating shut-off valve; 6. Inlet pipe; 7. Drain pipe; 8. Inlet chamber at the spigot end; 9. Inlet chamber at the socket end; 10. Second flow regulating shut-off valve; 11. Drain chamber; 12. Cooling water jacket; 13. Cooling water spray chamber at the spigot end; 14. Cooling water spray chamber at the socket end; 15. T-joint. Detailed Implementation
[0024] To make the technical problems solved by this utility model, the technical solutions adopted, and the technical effects achieved clearer, this utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely for explaining this utility model and not for limiting it. Furthermore, it should be noted that, for ease of description, only the parts related to this utility model are shown in the accompanying drawings, not all of them.
[0025] like Figure 1-6 As shown in the figure, the centrifugal pipe casting machine water cooling system provided by this utility model includes: water inlet pipe 6, drainage pipe 7 and cooling water jacket 12.
[0026] The cooling water jacket 12 has a spigot end with a spigot end water inlet chamber 8 and a spigot end cooling water spray chamber 13. The inlet of the spigot end water inlet chamber 8 is connected to the water inlet pipe 6, and the outlet of the spigot end water inlet chamber 8 is connected to multiple spigot end cooling water pipes 1. The multiple spigot end cooling water pipes 1 are evenly distributed in the circumferential direction of the spigot end cooling water spray chamber 13. The spigot end cooling water spray chamber 13 is connected to the spigot end cooling water guide device 2. The spigot end cooling water guide device 2 is located on the cooling water jacket 12 and close to the spigot end cooling water spray chamber 13. The spigot end cooling water guide device 2 is fixed inside the cooling water jacket 12 by stainless steel bolts. A gap is left between the spigot end cooling water guide device 2 and the cooling water jacket 12 to allow cooling water to pass through. The gap between the spigot end cooling water guide device 2 and the cooling water jacket 12 is connected to the drain pipe 7.
[0027] The socket end of the cooling water jacket 12 is provided with a socket end water inlet cavity 9 and a socket end cooling water spray cavity 14; the inlet of the socket end water inlet cavity 9 is connected to the water inlet pipe 6, and the outlet of the socket end water inlet cavity 9 is connected to multiple socket end cooling water pipes 4; the multiple socket end cooling water pipes 4 are evenly distributed in the circumferential direction of the socket end cooling water spray cavity 14; the socket end cooling water spray cavity 14 is connected to the socket end cooling water guiding device 3; the socket end cooling water guiding device 3 is provided on the cooling water jacket 12 and close to the socket end cooling water spray cavity 14, and the socket end cooling water guiding device 3 is fixed in the cooling water jacket 12 by stainless steel bolts; a gap is left between the socket end cooling water guiding device 3 and the cooling water jacket 12, which allows cooling water to pass through; the socket end cooling water guiding device 3 is connected to the drain pipe 7.
[0028] Specifically, the input end of the water inlet pipe 6 is connected to a water source, the output end of the water inlet pipe 6 is connected to the first interface of the tee connector 15, the second interface of the tee connector 15 is connected to the inlet cavity 8 at the spigot end, and the third interface of the tee connector 15 is connected to the inlet cavity 9 at the socket end. A first flow regulating shut-off valve 5 is installed on the connecting pipe between the second interface of the tee connector 15 and the inlet cavity 8 at the spigot end, and the water inlet volume of the inlet cavity 8 at the spigot end is regulated by the first flow regulating shut-off valve 5; a second flow regulating shut-off valve 10 is installed on the connecting pipe between the third interface of the tee connector 15 and the inlet cavity 9 at the socket end, and the water inlet volume of the inlet cavity 9 at the socket end is regulated by the second flow regulating shut-off valve 10.
[0029] Specifically, the cooling water jacket 12 is provided with a drain cavity 11, which can be located in the middle of the cooling water jacket 12. The inlet-end cooling water guide device 2 is sleeve-shaped, and the gap between the inlet-end cooling water guide device 2 and the cooling water jacket 12 communicates with the drain cavity 11. The socket-end cooling water guide device 3 is sleeve-shaped, and the gap between the socket-end cooling water guide device 3 and the cooling water jacket 12 communicates with the drain cavity 11, which is connected to the drain pipe 7.
[0030] Furthermore, the socket-end cooling water pipe 4 has a bend section and a straight pipe section detachably connected to the bend section to accommodate pipe molds of different specifications. Correspondingly, after the straight pipe section is removed, a plug can be configured on the bend section to adjust the water spray volume at the socket end and adapt to different production environments.
[0031] The working process of the water cooling system of the centrifugal pipe casting machine of this utility model is as follows: Cooling water enters the spigot end water inlet chamber 8 and the socket end water inlet chamber 9 of the cooling water jacket 12 through the water inlet pipe 6. After entering the spigot end water inlet chamber 8, the cooling water is sprayed through multiple evenly arranged spigot end cooling water pipes 1 to centrally cool the spigot end of the pipe mold; the spigot end cooling water spraying chamber 13 directs the sprayed cooling water through the gap between the spigot end cooling water guide device 2 and the cooling water jacket 12 to the drain chamber 11, and then into the drain pipe 7, entering the cooling water recovery and circulation system.
[0032] After the cooling water enters the inlet chamber 9 at the socket end, it is sprayed through multiple evenly arranged socket end cooling water pipes 4 to centrally cool the socket end of the pipe mold. The socket end cooling water spraying chamber 14 directs the sprayed cooling water through the gap between the socket end cooling water guiding device 3 and the cooling water jacket 12 to the drain chamber 11, and then into the drain pipe 7, entering the cooling water recycling system.
[0033] The centrifugal pipe casting machine water cooling system of this utility model has a spigot end water inlet chamber 8 and a spigot end cooling water spray chamber 13 at the spigot end, and multiple spigot end cooling water pipes 1 are evenly arranged in the circumferential direction of the spigot end cooling water spray chamber 13; and a socket end water inlet chamber 9 and a socket end cooling water spray chamber 14 at the socket end, and multiple socket end cooling water pipes 4 are evenly arranged in the circumferential direction of the socket end cooling water spray chamber 14. This system has a better cooling effect on the spigot end and socket end where the heat of the pipe mold is concentrated, and can improve the cooling efficiency of the cooling water on the pipe mold. A spigot-end cooling water guide device 2 and a socket-end cooling water guide device 3 are installed in the cooling water jacket. During the recirculation process, the cooling water flows through the gaps between the spigot-end cooling water guide device 2 and the cooling water jacket 12, and the gaps between the socket-end cooling water guide device 3 and the cooling water jacket 12, towards the drain chamber 11. This reduces the space between the spigot-end cooling water guide device 2 and the socket-end cooling water guide device 3 and the pipe mold. Coupled with the high-speed rotation of the pipe mold, this accelerates the circulation of cooling water, improves the circulation efficiency of cooling water, and enhances the cooling efficiency of the pipe mold. At the same time, the reduced space requirement of the cooling water jacket reduces the weight of the centrifugal pipe casting machine, further reducing production costs and thus improving the overall competitiveness of the product.
[0034] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and not to limit it; although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications to the technical solutions described in the foregoing embodiments, or equivalent substitutions for some or all of the technical features, do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model.
Claims
1. A centrifugal pipe casting machine water cooling system comprising: The inlet pipe (6), the outlet pipe (7) and the cooling water jacket (12) are characterized in that: The spigot end of the cooling water jacket (12) is provided with a spigot end water inlet cavity (8) and a spigot end cooling water spraying cavity (13); the water inlet of the spigot end water inlet cavity (8) is communicated with the inlet pipe (6), and the water outlet of the spigot end water inlet cavity (8) is connected with a plurality of spigot end cooling water pipes (1); the plurality of spigot end cooling water pipes (1) are uniformly distributed in the circumferential direction of the spigot end cooling water spraying cavity (13); the spigot end cooling water spraying cavity (13) is communicated with a spigot end cooling water guiding device (2); the spigot end cooling water guiding device is arranged on the cooling water jacket (12) and close to the spigot end cooling water spraying cavity (13); a gap is left between the spigot end cooling water guiding device (2) and the cooling water jacket (12); the gap between the spigot end cooling water guiding device (2) and the cooling water jacket (12) is communicated with the outlet pipe (7); The spigot end of the cooling water jacket (12) is provided with a spigot end water inlet cavity (8) and a spigot end cooling water spraying cavity (13); the water inlet of the spigot end water inlet cavity (8) is communicated with the inlet pipe (6), and the water outlet of the spigot end water inlet cavity (8) is connected with a plurality of spigot end cooling water pipes (1); the plurality of spigot end cooling water pipes (1) are uniformly distributed in the circumferential direction of the spigot end cooling water spraying cavity (13); the spigot end cooling water spraying cavity (13) is communicated with a spigot end cooling water guiding device (2); the spigot end cooling water guiding device is arranged on the cooling water jacket (12) and close to the spigot end cooling water spraying cavity (13); a gap is left between the spigot end cooling water guiding device (2) and the cooling water jacket (12); the gap between the spigot end cooling water guiding device (2) and the cooling water jacket (12) is communicated with the outlet pipe (7); 2. The centrifugal pipe casting machine water cooling system according to claim 1, characterized by, The input end of the inlet pipe (6) is connected with a water source, the output end of the inlet pipe (6) is communicated with the first interface of a three-way joint (15), the second interface of the three-way joint (15) is communicated with the spigot end water inlet cavity (8), and the third interface of the three-way joint (15) is communicated with the spigot end water inlet cavity (9).
3. The centrifugal pipe casting machine water cooling system according to claim 2, wherein, A first flow regulating stop valve (5) is arranged on the connecting pipe of the second interface of the three-way joint (15) and the spigot end water inlet cavity (8); A second flow regulating stop valve (10) is arranged on the connecting pipe of the third interface of the three-way joint (15) and the spigot end water inlet cavity (9).
4. The centrifugal pipe casting machine water cooling system according to claim 1, wherein, A drainage cavity (11) is arranged on the cooling water jacket (12); The gap between the spigot end cooling water guiding device (2) and the cooling water jacket (12) is communicated with the drainage cavity (11); The gap between the spigot end cooling water guiding device (2) and the cooling water jacket (12) is communicated with the drainage cavity (11); The drainage cavity (11) is communicated with the outlet pipe (7).
5. The centrifugal pipe casting machine water cooling system according to claim 1, wherein, The spigot end cooling water pipe (4) has a bent pipe section and a straight pipe section which is detachably connected with the bent pipe section.