Point temperature control assembly of die-casting die

Abstract

The utility model relates to the technical field of die-casting dies, and discloses a point temperature control assembly of a die-casting die, which comprises a first temperature control pipe and a second temperature control pipe, the first temperature control pipe comprises a first joint, a first outer pipe with one sealed end, and a first inner pipe arranged in the first outer pipe; the liquid inlet end of the first inner pipe extends out of the first outer pipe and is connected with the liquid inlet end of the first connector, the open end of the first outer pipe is connected with the liquid outlet end of the first connector, the liquid outlet end of the first inner pipe is arranged close to the sealed end of the first outer pipe, and a backflow channel is formed between the first outer pipe and the first inner pipe. The liquid outlet end of the first connector is connected with the liquid inlet end of the second connector through the series steel wire oil pipe. The point temperature control assembly can be cooled through water and can also be subjected to heat preservation or heating through oil, the temperature control area under the combined action of the first temperature control pipe and the second temperature control pipe is large, the temperature control modes can be flexibly switched according to the actual situation, and compared with a common point temperature control assembly, the point temperature control assembly is wider in applicability.

Description

Technical Field

[0001] This utility model relates to the field of die casting mold technology, and in particular to a point temperature control component for die casting molds. Background Technology

[0002] In the early trial molding stage of die casting molds, it is impossible to accurately determine whether the temperature change of a certain part is consistent with the computer simulation results. If the temperature control area is inconsistent with the simulation results during the trial molding stage, it is necessary to use oil heating or water cooling according to the actual situation. However, the temperature control liquid of ordinary point cooling temperature control components is connected and disconnected by rubber tubes. Since the structure of rubber tubes and ordinary point cooling temperature control components will melt or leak when subjected to high temperatures, it is not possible to switch from water cooling to oil insulation or heating later if temperature control needs to be changed.

[0003] It is evident that existing technologies still need improvement and enhancement. Utility Model Content

[0004] In view of the shortcomings of the prior art, the purpose of this utility model is to provide a point temperature control component for die casting molds, which aims to meet the temperature control requirements of water cooling and oil temperature in the later stage.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A temperature control assembly for a die-casting mold includes a first temperature control tube and a second temperature control tube. The first temperature control tube includes a first connector, a first outer tube sealed at one end, and a first inner tube disposed within the first outer tube. The inlet end of the first inner tube extends out of the first outer tube and is connected to the inlet end of the first connector. The open end of the first outer tube is connected to the outlet end of the first connector. The outlet end of the first inner tube is located near the sealed end of the first outer tube. A reflux channel is formed between the first outer tube and the first inner tube. Similarly, the second temperature control tube includes a second connector, a second outer tube sealed at one end, and a second inner tube disposed within the second outer tube. The inlet end of the second inner tube extends out of the second outer tube and is connected to the inlet end of the second connector. The open end of the second outer tube is connected to the outlet end of the second connector. The outlet end of the second inner tube is located near the sealed end of the second outer tube. A reflux channel is formed between the second outer tube and the second inner tube. The outlet end of the first connector is connected to the inlet end of the second connector via a series steel wire oil pipe.

[0007] As a further improvement to the above technical solution, the first outer tube includes a large-diameter pipe section and a small-diameter pipe section connected to each other. The large-diameter pipe section is connected to the first joint, and the small-diameter pipe section is provided with external threads at the junction with the large-diameter pipe section.

[0008] As a further improvement to the above technical solution, the sealing end on the small-diameter pipe section has a dome structure.

[0009] As a further improvement to the above technical solution, the first connector includes a cylindrical connector body and an inlet and an outlet nozzle connected to the side wall of the connector body. The end face of the connector body away from the first outer tube is provided with an internal hexagonal hole.

[0010] As a further improvement to the above technical solution, the first temperature control tube cooperates with the blind hole on the first sub-fixed mold core to achieve temperature control of the first sub-fixed mold core, and the second temperature control tube cooperates with the blind hole on the second sub-fixed mold core to achieve temperature control of the second sub-fixed mold core. The first sub-fixed mold core and the second sub-fixed mold core are combined to form a fixed mold core.

[0011] As a further improvement to the above technical solution, the blind holes of the first and second sub-fixed mold cores are provided with internal threads.

[0012] The beneficial effects of this utility model are as follows: The point temperature control component provided by this utility model is specifically designed for die-casting molds. Benefiting from the special structure of the first and second temperature control tubes—namely, the design where the inner and outer tubes form a reflux channel—and the use of series-connected steel wire oil pipes, it can be cooled by water or kept warm or heated by oil. The combined temperature control area of ​​the first and second temperature control tubes is large, allowing for flexible switching of temperature control methods according to actual conditions. Compared to ordinary point-cooling temperature control components, it has wider applicability. In high-temperature environments, it effectively prevents temperature control fluid leakage, ensuring the normal operation of the point temperature control component in the complex temperature environment of die-casting molds, thus improving the reliability and durability of the point temperature control component. Attached Figure Description

[0013] Figure 1 This is a 3D view of the temperature control component.

[0014] Figure 2 This is a schematic diagram of the structure of the temperature control component, in which the first and second temperature control tubes are respectively installed on the first and second sub-fixed mold cores.

[0015] Figure 3 This is a cross-sectional view of the first temperature control tube.

[0016] Explanation of main component symbols: 1-First temperature control tube, 11-First connector, 111-Connector body, 112-Inlet nozzle, 113-Outlet nozzle, 114-Internal hexagonal hole, 12-First outer tube, 121-Large diameter pipe section, 122-Small diameter pipe section, 123-External thread, 124-Sealing end, 13-First inner tube, 14-Return channel, 2-Second temperature control tube, 21-Second connector, 22-Second outer tube, 31-First sub-fixed mold core, 32-Second sub-fixed mold core, 33-Blind hole, 41-Series steel wire oil pipe, 42-Inlet steel wire oil pipe, 43-Outlet steel wire oil pipe. Detailed Implementation

[0017] This utility model provides a point temperature control component for die-casting molds. To make the purpose, technical solution, and effects of this utility model clearer and more explicit, the following describes this utility model in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain this utility model and are not intended to limit the scope of protection of this utility model.

[0018] Please see Figures 1 to 3 This utility model provides a point temperature control component for a die-casting mold, including a first temperature control tube 1 and a second temperature control tube 2. The first temperature control tube 1 includes a first connector 11, a first outer tube 12 sealed at one end, and a first inner tube 13 disposed inside the first outer tube 12. The liquid inlet end of the first inner tube 13 extends out of the first outer tube 12 and is connected to the liquid inlet end of the first connector 11. The open end of the first outer tube 12 is connected to the liquid outlet end of the first connector 11. The liquid outlet end of the first inner tube 13 is disposed near the sealed end 124 of the first outer tube 12. A reflux channel is formed between the first outer tube 12 and the first inner tube 13. 14; Similarly, the second temperature control tube 2 includes a second connector 21, a second outer tube 22 sealed at one end, and a second inner tube disposed inside the second outer tube 22. The liquid inlet end of the second inner tube extends out of the second outer tube 22 and is connected to the liquid inlet end of the second connector 21. The open end of the second outer tube 22 is connected to the liquid outlet end of the second connector 21. The liquid outlet end of the second inner tube is disposed near the sealed end 124 of the second outer tube 22. A reflux channel 14 is formed between the second outer tube 22 and the second inner tube. The liquid outlet end of the first connector 11 is connected to the liquid inlet end of the second connector 21 through a series steel wire oil pipe 41.

[0019] The temperature control component provided by this utility model can be connected to water as a coolant to cool the mold core, or connected to oil as an oil temperature control fluid to heat the mold core.

[0020] To illustrate using the oil receiving method, the oil is connected to the first temperature control tube 1 through the oil inlet wire oil pipe 42. Specifically, the oil enters the first inner tube 13 from the liquid inlet end of the first connector 11, and then flows to the sealing end 124 of the first outer tube 12 in the first inner tube 13. That is, the oil releases heat at the sealing end 124 of the first outer tube 12 to heat the position set by the mold core and reduce the temperature difference around that position. Then, the oil flows back to the liquid outlet end of the first connector 11 through the return channel 14 between the first outer tube 12 and the first inner tube 13. Next, the oil is transported to the second temperature control tube 2 through the series wire oil pipe 41. The oil flows to the sealing end 124 of the second outer tube 22 in the second inner tube and then flows back to the liquid outlet end of the second connector 21 through the return channel 14 between the second outer tube 22 and the second inner tube. Finally, the oil is discharged from the drain wire oil pipe 43, thus forming a complete oil circulation path. The use of steel wire oil tubing enhances the stability of the connection and its high-temperature resistance, ensuring smooth oil transfer between different temperature control tubes.

[0021] The cooling circulation path for water connection is the same as that for oil connection, so it will not be described again here.

[0022] The point temperature control component provided by this utility model is specifically designed for die-casting molds. Benefiting from the special structure of the first temperature control tube 1 and the second temperature control tube 2—namely, the design where the inner and outer tubes form a return channel 14—and the connection using series steel wire oil pipes 41, it can be cooled by water or kept warm or heated by oil. The combined temperature control area of ​​the first and second temperature control tubes 1 and 2 is large, allowing for flexible switching of temperature control modes according to actual conditions. Compared to ordinary point cooling temperature control components, it has wider applicability. In high-temperature environments, it effectively prevents temperature control fluid leakage, ensuring the normal operation of the point temperature control component in the complex temperature environment of die-casting molds, thus improving the reliability and durability of the point temperature control component.

[0023] Specifically, the first outer tube 12 includes a large-diameter pipe section 121 and a small-diameter pipe section 122 connected to each other. The large-diameter pipe section 121 is connected to the first connector 11, and the small-diameter pipe section 122 has an external thread 123 at its junction with the large-diameter pipe section 121. This structural design makes the installation and disassembly of the point temperature control component in the die-casting mold more convenient. During installation, it can be matched and connected to the corresponding parts on the mold core through the external thread 123, making it easy to accurately install the entire point temperature control component. When maintenance or replacement is required, it can also be quickly disassembled, improving the convenience of operation and reducing the time cost of mold maintenance.

[0024] In this embodiment, the sealing end 124 on the small-diameter pipe section 122 has a dome structure, which effectively disperses pressure. During the operation of the die-casting mold, the temperature control fluid flows inside the temperature control pipe, which may generate a certain pressure, and the external environment may also apply pressure. Compared with a flat or other shaped sealing end 124, the dome structure can better withstand these pressures, reducing the risk of damage caused by pressure concentration, thereby enhancing the structural strength of the small-diameter pipe section 122 and even the entire point temperature control assembly. In addition, the dome structure helps to improve the flow state of the temperature control fluid inside the pipe. When the temperature control fluid flows to the sealing end 124, the arc-shaped surface of the dome allows the coolant to change its flow direction more smoothly, reducing the generation of turbulence and vortices. This helps to maintain the stability of the coolant flow, improve the uniformity and accuracy of temperature control, and ensure effective temperature control of the die-casting mold.

[0025] Specifically, the first connector 11 includes a cylindrical connector body 111 and an inlet nozzle 112 and an outlet nozzle 113 connected to the side wall of the connector body 111. This design facilitates the entry and exit of coolant (or temperature control oil), making the inflow and outflow paths of the coolant clear and unambiguous. At the same time, this side connection method increases the flexibility of the connection, making it easier to connect to external pipes or other related equipment. For example, according to the layout and space requirements of the mold, appropriate angles and directions can be selected to connect the coolant supply and return lines, improving the layout rationality and adaptability of the entire temperature control system.

[0026] The connector body 111 has an internal hexagonal hole 114 on its end face away from the first outer tube 12, which greatly facilitates the installation and disassembly of the first connector 11. During installation, an internal hexagonal wrench can be used to tighten the connector through the internal hexagonal hole 114 to ensure a tight connection with other components and prevent leakage of the temperature control fluid. When disassembly is required, the connector can also be easily loosened using an internal hexagonal wrench, facilitating the maintenance, repair, or replacement of the temperature control component, improving operational efficiency and reducing maintenance costs.

[0027] In practice, due to the large volume of the fixed mold core, it is generally divided into a first sub-fixed mold core 31 and a second sub-fixed mold core 32. The temperature change at the junction of the first sub-fixed mold core 31 and the second sub-fixed mold core 32 is relatively isolated. If a temperature control component is not added to reduce the temperature difference with other parts, it may lead to severe mold deformation and large burrs. Furthermore, when there is no space in the internal structure of the fixed mold core to directly drill holes to form water channels, both the first sub-fixed mold core 31 and the second sub-fixed mold core 32 must be temperature controlled. It is impossible to connect the first sub-fixed mold core 31 and the second sub-fixed mold core 32 in series through drilling to achieve the same temperature on both sides.

[0028] Therefore, the point temperature control component provided by this utility model is well applied to this situation. The first temperature control tube 1 cooperates with the blind hole 33 on the first sub-fixed mold core 31 to control the temperature of the first sub-fixed mold core 31. The second temperature control tube 2 cooperates with the blind hole 33 on the second sub-fixed mold core 32 to control the temperature of the second sub-fixed mold core 32. The first sub-fixed mold core 31 and the second sub-fixed mold core 32 are combined to form a fixed mold core.

[0029] The first temperature control tube 1 and the second temperature control tube 2 independently control the temperature of the first sub-fixed mold core 31 and the second sub-fixed mold core 32, respectively. The first temperature control tube 1 and the second temperature control tube 2 are connected in series via steel wire oil pipes. This method can more accurately meet the different temperature requirements of the two sub-molded cores. Since the first sub-fixed mold core 31 and the second sub-fixed mold core 32 cannot be connected in series by drilling to achieve the same temperature, this independent temperature control design can adjust the temperature according to their actual conditions. This makes the overall temperature distribution more uniform and reasonable after the two sub-molded cores are merged to form the fixed mold core, further improving the stability and molding accuracy of the mold.

[0030] Preferably, the blind holes 33 of the first and second sub-fixed mold cores 31 and 32 are provided with internal threads. This internal thread design facilitates the installation and removal of the temperature control tube. During installation, simply align the temperature control tube with the blind hole 33 and tighten it by rotating it to engage with the internal thread. The operation is relatively simple and quick. When maintenance or replacement of the temperature control tube or mold is required, the temperature control tube can also be easily removed from the blind hole 33, improving the efficiency of equipment maintenance and reducing mold repair time and costs.

[0031] It should be noted that the first temperature control tube 1 and the second temperature control tube 2 have the same structure, and the specific structure of the second temperature control tube 2 can be set with reference to the first temperature control tube 1.

[0032] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0033] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection, an electrical connection, or a connection that allows for communication; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0034] It is understood that those skilled in the art can make equivalent substitutions or changes based on the technical solution and inventive concept of this utility model, and all such substitutions or changes should fall within the protection scope of this utility model.

Claims

1. A point temperature control component for a die-casting mold, characterized in that, include The first temperature control tube includes a first connector, a first outer tube sealed at one end, and a first inner tube disposed inside the first outer tube. The liquid inlet end of the first inner tube extends out of the first outer tube and is connected to the liquid inlet end of the first connector. The open end of the first outer tube is connected to the liquid outlet end of the first connector. The liquid outlet end of the first inner tube is disposed close to the sealed end of the first outer tube. A reflux channel is formed between the first outer tube and the first inner tube. The second temperature control tube includes a second connector, a second outer tube sealed at one end, and a second inner tube disposed inside the second outer tube. The liquid inlet end of the second inner tube extends out of the second outer tube and is connected to the liquid inlet end of the second connector. The open end of the second outer tube is connected to the liquid outlet end of the second connector. The liquid outlet end of the second inner tube is disposed close to the sealed end of the second outer tube. A reflux channel is formed between the second outer tube and the second inner tube. The liquid outlet of the first connector is connected to the liquid inlet of the second connector via a series steel wire oil pipe.

2. The point temperature control component for the die-casting mold according to claim 1, characterized in that, The first outer tube includes a large-diameter pipe section and a small-diameter pipe section connected to each other. The large-diameter pipe section is connected to the first joint, and the small-diameter pipe section is provided with external threads at the junction with the large-diameter pipe section.

3. The point temperature control component for the die-casting mold according to claim 2, characterized in that, The sealing end of the small-diameter pipe section has a dome structure.

4. The point temperature control component for the die-casting mold according to claim 2, characterized in that, The first connector includes a cylindrical connector body and an inlet and an outlet nozzle connected to the side wall of the connector body. The end face of the connector body away from the first outer tube is provided with an internal hexagonal hole.

5. The point temperature control component for a die-casting mold according to any one of claims 1-4, characterized in that, The first temperature control tube cooperates with the blind hole on the first sub-fixed mold core to control the temperature of the first sub-fixed mold core, and the second temperature control tube cooperates with the blind hole on the second sub-fixed mold core to control the temperature of the second sub-fixed mold core. The first sub-fixed mold core and the second sub-fixed mold core are combined to form a fixed mold core.

6. The point temperature control component for the die-casting mold according to claim 5, characterized in that, The blind holes of the first and second sub-fixed mold cores are provided with internal threads.

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