Continuous extrusion press tool cooling device

Abstract

The utility model discloses a continuous extruding machine frock cooling device, and concretely relates to frock cooling technical field, including extruding wheel, compaction wheel and cooling assembly, the cooling assembly includes two cooling cylinders, and two cooling cylinders front ends all are rotationally equipped with the heat conduction round plate, and two heat conduction round plates are connected with extruding wheel, compaction wheel respectively, and two cooling cylinders inside all are equipped with the cooling chamber for cooling liquid flow, the cooling cylinder rear end all has the movable joint in communication, the movable joint inside is equipped with water inlet pipeline and water outlet pipeline, and the water inlet three -way pipe is connected between two water inlet pipelines and communicates. The utility model discloses two heat conduction round plates respectively conduct the heat of extruding wheel and compaction wheel, and then utilize the circulating cooling liquid inside cooling cylinder to absorb heat to realize cooling, not only cooling speed is fast, effect is good, and need not open the cavity in extruding wheel and compaction wheel inside, and it is convenient to maintain replacement, in addition, with the help of cooling liquid circulation assembly, the circulation of cooling liquid can further improve the cooling effect of both.

Description

Technical Field

[0001] This utility model relates to the field of tooling cooling technology, and more specifically to a tooling cooling device for a continuous extrusion press. Background Technology

[0002] Continuous extrusion presses utilize the friction between deformed metal and the extruder to achieve the extrusion process. They mainly consist of an extrusion roller with concave grooves, an extrusion shoe, a plug, and an extrusion die. The extrusion roller rotates under the drive shaft; after the billet is placed into the groove, the friction of the groove wall pulls the billet forward continuously. The groove sealing block of the extrusion shoe cooperates with the extrusion roller to form a cavity similar to an extrusion cylinder. The plug seals the outlet end of the cavity, forcing the metal to flow only from the extrusion die. As long as the billet can be continuously fed, continuous extrusion can be achieved, producing products thousands or even tens of thousands of meters long.

[0003] However, when the extrusion rollers rotate, the billet experiences intense friction with the surfaces of the roller grooves, extrusion shoes, and dies, continuously generating a large amount of heat. Simultaneously, the plastic deformation of the metal itself also releases deformation heat. This heat is rapidly transferred to the tooling components, causing their temperature to rise sharply. If not cooled in time, the tooling material will experience a decrease in strength and hardness due to prolonged high temperatures, leading to accelerated wear, deformation, and even cracking. Therefore, a cooling device is necessary for cooling.

[0004] For example, the existing technology disclosure number CN221790595U describes a continuous extrusion press tooling cooling device. This utility model achieves cooling of the main shaft and bearings by setting water inlet support holes and water return support holes, and does not require opening holes in the bearing sleeve, effectively ensuring the strength of the bearing sleeve, while reducing manufacturing and subsequent maintenance costs.

[0005] However, existing technologies still have the following problems in use: traditional cooling methods for extrusion rollers and compaction rollers generally rely on air blowing, which not only has low cooling efficiency but also causes dust and impurities to scatter around the continuous extruder, causing pollution and affecting normal operation. Therefore, this invention provides a continuous extruder tooling cooling device with better cooling performance. Summary of the Invention

[0006] To overcome the aforementioned deficiencies of the prior art, this utility model provides a cooling device for a continuous extrusion press tooling. It conducts heat from the extrusion roller and the compaction roller through two heat-conducting circular plates, and then uses the circulating coolant inside the cooling cylinder to absorb the heat to achieve cooling. This not only provides fast and effective cooling, but also eliminates the need for cavities inside the extrusion roller and the compaction roller, making maintenance and replacement easier. Furthermore, the circulation of coolant through a coolant circulation component further enhances the cooling effect of both rollers, thus solving the problems mentioned in the background art.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a continuous extrusion press tooling cooling device, including an extrusion wheel, a compaction wheel, and a cooling assembly. The cooling assembly includes two cooling cylinders, each with a rotatable heat-conducting circular plate at its front end. The two heat-conducting circular plates are respectively connected to the extrusion wheel and the compaction wheel. Each cooling cylinder has a cooling chamber inside for coolant flow. Each cooling cylinder has a movable joint at its rear end. The movable joint has an inlet pipe and an outlet pipe inside. An inlet tee pipe connects the two inlet pipes, and an outlet tee pipe connects the two outlet pipes. A coolant circulation assembly is connected to the bottom of both the inlet tee pipe and the outlet tee pipe.

[0008] In a preferred embodiment, two solenoid valves are fixedly installed on both the inlet tee and the outlet tee to control the coolant flow rate.

[0009] In a preferred embodiment, the coolant circulation assembly includes a water tank for storing coolant, a circulation pump is fixedly installed inside the water tank, a hose is connected to the outlet of the circulation pump, the hose passes through the water tank and is connected to the inlet tee pipe, and the outlet tee pipe is connected to the inside of the water tank through a return pipe.

[0010] In a preferred embodiment, a heat dissipation shroud is fixedly provided at the rear end of the water tank, a semiconductor cooling chip is fixedly provided inside the heat dissipation shroud, and a metal heat-conducting plate is fixedly provided at the front end of the semiconductor cooling chip. The metal heat-conducting plate is in contact with the coolant inside the water tank, and the metal heat-conducting plate and the water tank are sealed by a sealing strip to prevent coolant leakage.

[0011] In a preferred embodiment, ventilation holes are provided on both sides of the heat sink, and a frame plate is fixed inside each ventilation hole. Multiple cooling fans arranged in a linear array are fixed inside the frame plate. The cooling fans can accelerate the airflow, thereby improving the heat dissipation of the semiconductor cooling chip.

[0012] In a preferred embodiment, a dustproof net is fixedly installed inside both frame plates. The dustproof net is located outside the cooling fan. The dustproof net can block external dust and impurities, preventing dust and impurities from affecting the heat dissipation of the semiconductor cooling chip.

[0013] In a preferred embodiment, a filling pipe extends through one side of the top of the water tank. The filling pipe is located between the hose and the return pipe. A threaded cap is threaded to the top of the filling pipe. By unscrewing the threaded cap, the operator can check the amount of coolant inside the water tank through the filling pipe and add coolant as needed.

[0014] The technical effects and advantages of this utility model are as follows:

[0015] This invention uses two heat-conducting circular plates to conduct heat from the extrusion roller and the compaction roller respectively, and then uses the circulating coolant inside the cooling cylinder to absorb the heat to achieve cooling. This not only has a fast cooling speed and good effect, but also eliminates the need for opening cavities inside the extrusion roller and the compaction roller, making maintenance and replacement easier. In addition, the cooling effect of both rollers can be further improved by circulating the coolant through the coolant circulation component.

[0016] In addition, by reversing the installation of the cooling fans in the two frame plates, an airflow cycle of suction and exhaust can be formed, which can accelerate the airflow inside the heat sink, thereby improving the heat dissipation efficiency of the semiconductor cooling chip and preventing it from being affected by excessive temperature. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0018] Figure 2 This is a rear view of the overall structure of this utility model;

[0019] Figure 3 This is a cross-sectional view of the cooling cylinder of this utility model;

[0020] Figure 4 This is a schematic diagram of the interior of the water tank of this utility model;

[0021] Figure 5 This is a cross-sectional view of the heat sink of this utility model.

[0022] The attached figures are labeled as follows: 1. Extrusion roller; 2. Compaction roller; 3. Cooling assembly; 4. Coolant circulation assembly; 5. Solenoid valve; 6. Heat sink; 7. Semiconductor cooling chip; 8. Metal heat-conducting plate; 9. Ventilation hole; 10. Frame plate; 11. Cooling fan; 12. Dust filter; 13. Filling pipe; 14. Threaded cap;

[0023] 32. Cooling cylinder; 33. Heat-conducting circular plate; 34. Cooling chamber; 35. Movable joint; 36. Water inlet pipe; 37. Water outlet pipe; 38. Water inlet tee pipe; 39. Water outlet tee pipe;

[0024] 41. Water tank; 42. Circulation pump; 43. Hose; 44. Return pipe. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] Refer to the instruction manual appendix Figures 1-5 This utility model provides a cooling device for a continuous extrusion press tooling, including an extrusion wheel 1, a compaction wheel 2, and a cooling assembly 3. The cooling assembly 3 includes two cooling cylinders 31, each with a heat-conducting circular plate 32 rotatably mounted at its front end. The two heat-conducting circular plates 32 are respectively connected to the extrusion wheel 1 and the compaction wheel 2. Each cooling cylinder 31 has a cooling chamber 33 inside for the flow of coolant. Each cooling cylinder 31 has a movable joint 34 connected to its rear end. The movable joint 34 has an inlet pipe 35 and an outlet pipe 36 inside. An inlet tee pipe 37 connects the two inlet pipes 35, and an outlet tee pipe 38 connects the two outlet pipes 36.

[0027] The bottom of both the inlet tee pipe 37 and the outlet tee pipe 38 are connected to a coolant circulation assembly 4. Specifically, the coolant circulation assembly 4 includes a water tank 41 for storing coolant. A circulation pump 42 is fixedly installed inside the water tank 41. A hose 43 is connected to the outlet of the circulation pump 42. The hose 43 passes through the water tank 41 and is connected to the inlet tee pipe 37. The outlet tee pipe 38 is connected to the inside of the water tank 41 through a return pipe 44.

[0028] Two solenoid valves 5 are fixedly installed on both the inlet tee pipe 37 and the outlet tee pipe 38, which can be used to conveniently control the amount of coolant in the two cooling chambers 33.

[0029] A heat dissipation shroud 6 is fixedly installed at the rear end of the water tank 41. A semiconductor cooling chip 7 is fixedly installed inside the heat dissipation shroud 6. A metal heat-conducting plate 8 is fixedly installed at the front end of the semiconductor cooling chip 7. The metal heat-conducting plate 8 is in contact with the coolant inside the water tank 41, and the metal heat-conducting plate 8 and the water tank 41 are sealed by a sealing strip to prevent coolant leakage.

[0030] In actual use, the staff installs two heat-conducting circular plates 32 at the rear ends of the extrusion roller 1 and the compaction roller 2, respectively. The heat generated by the two is conducted to the cooling cylinder 31 through the heat-conducting circular plates 32. At this time, the circulating pump 42 is used to draw the coolant from the water tank 41. The coolant is transported to the two water inlet pipes 35 through the hose 43 and the water inlet tee 37. When it flows in the cooling chamber 33, it can absorb the heat on the heat-conducting circular plates 32. Then the hot coolant flows into the water outlet tee 38 through the water outlet pipe 36, and finally flows back into the water tank 41 through the return pipe 44. The heat in the coolant is conducted to the cold end of the semiconductor cooling chip 7 through the metal heat-conducting plate 8. Finally, the heat is dissipated from the hot end of the semiconductor cooling chip 7 into the heat sink 6 for heat dissipation.

[0031] Refer to the instruction manual appendix Figure 1 , Figure 2 , Figure 4 and Figure 5The heat sink 6 has ventilation holes 9 on both sides, and a frame plate 10 is fixed inside each of the two ventilation holes 9. Multiple cooling fans 11 arranged in a linear array are fixed inside the frame plate 10. Dustproof nets 12 are fixed inside the two frame plates 10 and are located outside the cooling fans 11.

[0032] By installing the cooling fans 11 inside the two frame plates 10 in opposite directions, one is drawn in and the other is sucked out, which speeds up the airflow inside the heat sink 6, thereby improving the heat dissipation effect of the thermoelectric cooler 7 and preventing the thermoelectric cooler 7 from overheating and affecting its use. At the same time, the dustproof net 12 can block external dust and impurities, preventing dust and impurities from affecting the heat dissipation of the thermoelectric cooler 7.

[0033] like Figure 2 As shown, a filling pipe 13 runs through one side of the top of the water tank 41. The filling pipe 13 is located between the hose 43 and the return pipe 44. A threaded cap 14 is threaded to the top of the filling pipe 13. The operator can unscrew the threaded cap 14 to check the amount of coolant inside the water tank 41 through the filling pipe 13 and add coolant as needed.

[0034] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A cooling device for a continuous extrusion press tooling, characterized in that: It includes an extrusion wheel (1), a compaction wheel (2) and a cooling assembly (3). The cooling assembly (3) includes two cooling cylinders (31). Each cooling cylinder (31) has a heat-conducting circular plate (32) rotatably mounted at its front end. The two heat-conducting circular plates (32) are respectively connected to the extrusion wheel (1) and the compaction wheel (2). Both cooling cylinders (31) are provided with cooling chambers (33) for coolant flow. The rear end of each cooling cylinder (31) is connected to a movable joint (34). The movable joint (34) is provided with an inlet pipe (35) and an outlet pipe (36). The two inlet pipes (35) are connected to an inlet tee pipe (37), and the two outlet pipes (36) are connected to an outlet tee pipe (38). The bottom of the inlet tee pipe (37) and the outlet tee pipe (38) are connected to a coolant circulation assembly (4).

2. The continuous extrusion press tooling cooling device according to claim 1, characterized in that: Two solenoid valves (5) are fixedly installed on both the inlet tee (37) and the outlet tee (38) to control the flow rate of the coolant.

3. The continuous extrusion press tooling cooling device according to claim 1, characterized in that: The coolant circulation assembly (4) includes a water tank (41) for storing coolant. A circulation pump (42) is fixedly installed inside the water tank (41). A hose (43) is connected to the outlet of the circulation pump (42). The hose (43) passes through the water tank (41) and is connected to the inlet tee pipe (37). The outlet tee pipe (38) is connected to the inside of the water tank (41) through the return pipe (44).

4. The continuous extrusion press tooling cooling device according to claim 3, characterized in that: The water tank (41) is fixedly provided with a heat dissipation shroud (6) at the rear end, and a semiconductor cooling chip (7) is fixedly provided inside the heat dissipation shroud (6). A metal heat-conducting plate (8) is fixedly provided at the front end of the semiconductor cooling chip (7). The metal heat-conducting plate (8) is in contact with the coolant inside the water tank (41), and the metal heat-conducting plate (8) and the water tank (41) are sealed by a sealing strip.

5. The continuous extrusion press tooling cooling device according to claim 4, characterized in that: Ventilation holes (9) are provided on both sides of the heat sink (6), and frame plates (10) are fixedly installed inside the two ventilation holes (9). Multiple cooling fans (11) arranged in a linear array are fixedly installed inside the frame plates (10).

6. The continuous extrusion press tooling cooling device according to claim 5, characterized in that: Both frame plates (10) are fixedly equipped with dustproof nets (12), which are located on the outside of the cooling fan (11).

7. The continuous extrusion press tooling cooling device according to claim 3, characterized in that: A filling pipe (13) runs through one side of the top of the water tank (41). The filling pipe (13) is located between the hose (43) and the return pipe (44). A threaded cap (14) is threadedly connected to the top of the filling pipe (13).

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