Aluminum alloy casting hub cooling connecting piece and system

Abstract

The utility model relates to the technical field of hub casting, and provides an aluminum alloy casting hub cooling connecting piece which comprises a main through pipe and a side through pipe, the side through pipe is arranged in the middle of the main through pipe, and the interior of the side through pipe is communicated with the interior of the main through pipe. One end of the main through pipe is an inlet I, the other end of the main through pipe is an outlet, and one end of the side through pipe far away from the main through pipe is an inlet II; the inner through pipe is arranged in the main through pipe, one end of the inner through pipe is located at the outlet, the other end of the inner through pipe is communicated with the first inlet or the second inlet, and a baffle is arranged between the outer wall of the inner through pipe and the inner wall of the main through pipe or the inner wall of the side through pipe; threaded sections are arranged on the pipe walls on the outer sides of the first inlet, the second inlet and the outlet. The cooling device can improve the cooling efficiency and quality of the cast hub, is low in cost, can prevent high-pressure water from damaging an air pipeline and an air valve, and is good in economical efficiency.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of wheel hub casting, specifically relates to a kind of aluminium alloy casting wheel hub cooling connecting piece and system. BACKGROUND

[0002] Aluminium alloy wheel hub casting is a kind of process for manufacturing automobile wheel hub by injecting molten aluminium alloy into mould cavity. Common casting methods include low-pressure casting, gravity casting and high-pressure casting, among which low-pressure casting is the most widely used. During the casting process, aluminium alloy liquid cools and solidifies in the mould to form the complex shape and structure of the wheel hub.

[0003] The cooling system of wheel hub casting cools the mould using water or air through the cooling water channels designed inside the mould. However, the current cooling methods have unavoidable shortcomings. For example, when air cooling is used, the cooling speed is slow, and when water cooling is used, the cooling is not uniform, which leads to stress concentration and deformation inside the casting, and is not conducive to improving production efficiency and quality. Therefore, it is further considered that a cooling method combining water and air can be used, i.e. water mist cooling, which greatly improves the cooling speed and, at the same time, avoids stress concentration inside the casting as much as possible, and the cooling efficiency and quality are both better.

[0004] In actual production, one way is to use an industrial-grade water mist generator for cooling. However, the industrial-grade water mist generator is expensive, and the rate of the water mist it produces is low, which does not achieve the expected cooling efficiency of the casting, and the processing cost is too high, which is not conducive to the economy of production. Another way is to use a common tee pipe to mix cooling water and air. However, in actual application, it is found that when the pressure value at the end of the cooling pipeline reaches the highest value, the high-pressure water in the common tee pipe will move into the high-pressure air pipeline without a guiding structure, causing damage to the air pipeline and air valve body, and thus reducing production efficiency and economy.

[0005] Therefore, to solve the above problems, an aluminium alloy casting wheel hub cooling connecting piece and system are proposed. UTILITY MODEL CONTENTS

[0006] The utility model is developed to overcome the shortcomings of the prior art. It can improve the cooling efficiency and quality of the cast wheel hub, and the cost is relatively low. At the same time, it can avoid damage to the air pipeline and air valve by high-pressure water, and is economical.

[0007] To achieve the above-mentioned purposes, the following technical solutions are used:

[0008] The application discloses an aluminum alloy cast wheel hub cooling connecting piece, which comprises a main through pipe and a side through pipe, the side through pipe is arranged in the middle of the main through pipe, and the inside of the side through pipe is communicated with the inside of the main through pipe; one end of the main through pipe is an inlet one, the other end of the main through pipe is an outlet, and the end of the side through pipe, which is far away from the main through pipe, is an inlet two; the application further comprises an inner through pipe, which is arranged in the main through pipe, one end of the inner through pipe is located at the outlet, the other end of the inner through pipe is communicated with the inlet one or the inlet two, and a baffle is arranged between the outer wall of the inner through pipe and the inner wall of the main through pipe or the inner wall of the side through pipe.

[0009] Preferably, the shape of the connection between the main through pipe and the side through pipe is T-shaped, and a threaded section is arranged on the pipe wall outside the inlet one, the inlet two and the outlet.

[0010] The application further discloses an aluminum alloy cast wheel hub cooling system, which comprises the aluminum alloy cast wheel hub cooling connecting piece, and further comprises an air inlet assembly and a water inlet assembly, the air inlet assembly is communicated with the inlet one, the water inlet assembly is communicated with the inlet two, and the outlet is communicated with the inner side of a casting mold through a pipeline.

[0011] Preferably, the air inlet assembly comprises a compressed air pipeline, one end of the compressed air pipeline is communicated with an air compressor, the other end of the compressed air pipeline is communicated with an air switch, then communicated with a compressed air electromagnetic valve, and then communicated with the inlet one of the connecting piece.

[0012] Preferably, the water inlet assembly comprises a pure water pipeline, one end of the pure water pipeline is communicated with a water pump, the other end of the pure water pipeline is communicated with a pure water switch, then communicated with a pure water electromagnetic valve, and then communicated with the inlet two of the connecting piece.

[0013] Preferably, a plurality of air switches and compressed air electromagnetic valves are correspondingly arranged, and a plurality of pure water switches and pure water electromagnetic valves are correspondingly arranged.

[0014] The effects provided in the utility model are only the effects of the embodiments, and are not all the effects of the utility model, and the above technical scheme has the following advantages:

[0015] 1. The inner through pipe is arranged in the three-way pipe, the inner through pipe is used for isolating the communication between the water path and the air path at the three-way connection of the three-way pipe, the flow directions of the high-pressure water and the high-pressure air are the same when the high-pressure water and the high-pressure air are mixed, the mixing quality is improved, and the high-pressure water can be prevented from flowing back to the high-pressure air pipeline, and the economy of the device is improved.

[0016] 2. The cooling system is arranged, the cooling system comprises the air inlet assembly and the water inlet assembly, the air inlet assembly and the water inlet assembly can control the use state, i.e. the use amount, of the high-pressure air and the high-pressure water respectively, and then control the mixing state, the efficiency and the quality of cooling are further improved by adjusting different mixing states. DRAWINGS

[0017] The accompanying drawings are provided to further understand the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation thereof.

[0018] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the present utility model;

[0019] Figure 2 This is a side view illustration of an embodiment of the present utility model. Figure One ;

[0020] Figure 3 for Figure 2 A schematic diagram of the cross-sectional structure along direction A in the middle;

[0021] Figure 4 This is a side view illustration of an embodiment of the present utility model. Figure Two ;

[0022] Figure 5 for Figure 4 A schematic diagram of the cross-sectional structure along the B direction;

[0023] Figure 6 This is a partial connection diagram of the cooling system according to an embodiment of the present invention.

[0024] In the diagram, 1. Main pipe; 2. Side pipe; 3. Inner pipe; 4. Baffle; 5. Threaded section; 6. Air intake assembly; 7. Water intake assembly; 8. Pipeline; 11. Inlet 1; 12. Outlet; 21. Inlet 2; 61. Compressed air pipeline; 62. Air compressor; 63. Air switch; 64. Compressed air solenoid valve; 71. Pure water pipeline; 72. Water pump; 73. Pure water switch; 74. Pure water solenoid valve. 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] Example 1

[0027] like Figures 1-3As shown, a connecting component for cooling an aluminum alloy cast wheel hub includes a main pipe 1 and a side pipe 2. The side pipe 2 is located in the middle of the main pipe 1, and its interior is connected to the interior of the main pipe 1. One end of the main pipe 1 is an inlet 11, and the other end is an outlet 12. The end of the side pipe 2 furthest from the main pipe 1 is an inlet 21. It also includes an inner pipe 3, which is located inside the main pipe 1. The diameter of the inner pipe 3 is smaller than the diameters of the main pipe 1 and the side pipe 2, and one end of the inner pipe 3 is located at the outlet 12. The other end of the inner pipe 3 is connected to inlet 11, and a baffle 4 is provided between the outer wall of the inner pipe 3 and the inner wall of the main pipe 1. Preferably, inlet 11 is connected to the high-pressure air pipeline 8, and inlet 21 is connected to the high-pressure water pipeline. The baffle 4 is used to block the contact between the high-pressure air and the high-pressure water before the connection position between the main pipe 1 and the side pipe 2, so that the high-pressure air and the high-pressure water can contact and mix when the flow direction is consistent, which improves the mixing quality and avoids the directional flow of high-pressure water in the pipeline, thus improving stability.

[0028] In this embodiment, the main pipe 1 and the side pipe 2 are connected in a T-shape, that is, the external shape is the same as that of a regular tee pipe. Threaded sections 5 are provided on the outer pipe walls of inlet 11, inlet 21, and outlet 12 to facilitate the connection of pipes 8 and improve the stability and efficiency of the connection.

[0029] Example 2

[0030] like Figures 4-5 As shown, in addition to the technical solution disclosed in Embodiment 1, one end of the inner pipe 3 can be located at the outlet 12, and the other end of the inner pipe 3 can be turned at an angle to connect to the inlet 21. At this time, a baffle 4 is set between the outer wall of the inner pipe 3 and the inner wall of the side pipe 2. The baffle 4 is used to prevent the high-pressure water from contacting the high-pressure air at the connection position between the main pipe 1 and the side pipe 2, so as to avoid the unknown flow direction of the high-pressure water, which would affect the mixing quality of the high-pressure water and the high-pressure air, and improve the practicality of the device.

[0031] In an optional embodiment, the connection between the outer wall of the inner pipe 3 and the inner wall of the main pipe 1 or the inner wall of the side pipe 2 can be achieved by welding. The welding position can form the baffle 4, which greatly reduces the production cost and improves the economic efficiency of production.

[0032] Example 3

[0033] like Figure 6As shown, an aluminum alloy cast wheel cooling system comprises the aluminum alloy cast wheel cooling connector mentioned above, and further comprises an air inlet assembly 6 and a water inlet assembly 7, the air inlet assembly 6 is connected to the inlet one 11, the water inlet assembly 7 is connected to the inlet two 21, and the outlet 12 is connected to the inner side of the casting mold through a pipeline 8. Preferably, the pipeline 8 comprises a common tee pipe, one end of the common tee pipe is connected to the outlet 12 of the connector, and the other two ends of the common tee pipe are connected to the two sides in the casting mold respectively, so that the cooling rate is accelerated through the simultaneous cooling of the two sides.

[0034] In this embodiment, the air inlet assembly 6 comprises a compressed air pipeline 61, one end of the compressed air pipeline 61 is connected to an air compressor 62, the other end of the compressed air pipeline 61 is connected to an air switch 63, then connected to a compressed air electromagnetic valve 64, and then connected to the inlet one 11 of the connector. The output and rate of high-pressure air are controlled through the air switch 63 and the compressed air electromagnetic valve 64.

[0035] In this embodiment, the water inlet assembly 7 comprises a pure water pipeline 71, one end of the pure water pipeline 71 is connected to a water pump 72, the water pump 72 is connected to a pure water tank, for pumping pure water from the pure water tank into the pure water pipeline 71, the other end of the pure water pipeline 71 is connected to a pure water switch 73, then connected to a pure water electromagnetic valve 74, and then connected to the inlet two 21 of the connector. The output and rate of high-pressure water are controlled through the pure water switch 73 and the pure water electromagnetic valve 74.

[0036] In another embodiment, a plurality of air switches 63 and compressed air electromagnetic valves 64 are correspondingly arranged, a plurality of pure water switches 73 and pure water electromagnetic valves 74 are correspondingly arranged, and the flow rates of the compressed air electromagnetic valves 64 and the pure water electromagnetic valves 74 are set to be different, so as to facilitate the control of the amount and rate of high-pressure air and high-pressure water entering the connector, further adjust the state of the water mist generated after the mixing of high-pressure air and high-pressure water, that is, the density and rate of the water mist, so as to better perform cooling, improve the cooling efficiency while avoiding adverse effects on the quality of the castings, and better practicality.

[0037] Working principle: first, connect the cooling system, wait until the casting cooling is needed, first open all air switches 63 and compressed air solenoid valve 64, so that the casting is cooled by air at first, a small amount of time, open part of the pure water switch 73 and pure water solenoid valve 74, so that a small amount of cooling water enters the passage of the connecting piece and mixes with high pressure air into a small density water mist, cooled by small density water mist, a period of time, open all pure water switch 73 and pure water solenoid valve 74, so that the density of the water mist reaches the maximum, at this time, the cooling is carried out by the large density water mist, and the cooling is continued until the temperature of the casting is demoulded, and all air switches 63, compressed air solenoid valve 64, pure water switch 73 and pure water solenoid valve 74 are closed, and the cooling is completed. The cooling mode can accelerate the cooling speed of the casting, and at the same time, the quality problem of the casting caused by excessive contact with cooling water at the beginning of cooling is avoided, and the production quality and efficiency are improved.

[0038] The details of the utility model are conventional technical means known by those skilled in the art.

[0039] In the description of the utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0040] In addition, the terms "first" and "second" are only for description purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features, so that the features limited by "first" and "second" can explicitly or implicitly include one or more features, and in the description of the utility model, the meaning of "multiple" is two or more, unless otherwise explicitly and specifically limited.

[0041] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

[0042] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application have been described in detail, for the skilled in the art, it still can be modified, or for the equivalent replacement of part of the technical features of the technical solutions recorded in the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, shall be included within the scope of the present application.

Claims

1. An aluminum alloy cast wheel hub cooling connector, comprising a main duct (1) and a side duct (2), characterized in that, the side duct (2) is arranged in the middle of the main duct (1), and the inside of the side duct (2) is in communication with the inside of the main duct (1); one end of the main duct (1) is an inlet one (11), the other end of the main duct (1) is an outlet (12), and the end of the side duct (2) away from the main duct (1) is an inlet two (21); further comprising an inner duct (3) arranged in the main duct (1), one end of the inner duct (3) is located at the outlet (12), the other end of the inner duct (3) is in communication with the inlet one (11) or the inlet two (21), and a baffle (4) is arranged between the outer wall of the inner duct (3) and the inner wall of the main duct (1) or the inner wall of the side duct (2).

2. An aluminum alloy cast wheel hub cooling adapter as defined in claim 1, wherein: The shape of the connection between the main duct (1) and the side duct (2) is T-shaped, and threaded sections (5) are arranged on the outer sides of the inlet one (11), the inlet two (21) and the outlet (12).

3. An aluminum alloy cast wheel cooling system comprising the aluminum alloy cast wheel cooling connector of claim 1, characterized by, Further comprising an air inlet assembly (6) and a water inlet assembly (7), the air inlet assembly (6) is in communication with the inlet one (11), the water inlet assembly (7) is in communication with the inlet two (21), and the outlet (12) is connected to the inside of the casting mold through a pipeline (8).

4. An aluminum alloy cast wheel cooling system as defined in claim 3, wherein: The air inlet assembly (6) comprises a compressed air pipeline (61), one end of the compressed air pipeline (61) is in communication with an air compressor (62), the other end of the compressed air pipeline (61) is in communication with an air switch (63) and then in communication with a compressed air electromagnetic valve (64), and then in communication with the inlet one (11) of the connector.

5. An aluminum alloy cast wheel cooling system as defined in claim 4, wherein: The water inlet assembly (7) comprises a pure water pipeline (71), one end of the pure water pipeline (71) is in communication with a water pump (72), the other end of the pure water pipeline (71) is in communication with a pure water switch (73) and then in communication with a pure water electromagnetic valve (74), and then in communication with the inlet two (21) of the connector.

6. An aluminum alloy cast wheel cooling system as defined in claim 5, wherein: The air switch (63) and the compressed air electromagnetic valve (64) are correspondingly arranged in multiple, and the pure water switch (73) and the pure water electromagnetic valve (74) are correspondingly arranged in multiple.

Images