Side die mechanism of hub die

Abstract

The utility model discloses a hub mould side mould mechanism which comprises a lower mould plate and an upper mould plate, sliding rods are vertically arranged on the periphery of the upper surface of the lower mould plate, the upper mould plate is located above the lower mould plate horizontally, the upper mould plate is parallel to the lower mould plate, the sliding rods penetrate through the upper mould plate, and the upper mould plate is connected with the sliding rods in a sliding mode. A lower die is arranged in the center of the upper surface of the lower die plate, an upper die is arranged in the center of the lower surface of the upper die plate, the lower die and the upper die are vertically aligned, a lower die cavity is formed in the center of the upper surface of the lower die, and an upper die cavity is formed in the center of the lower surface of the upper die. According to the utility model, in the process that liquid raw materials flow into the lower die cavity and the upper die cavity, the air pump works, and air between the upper die cavity and the lower die cavity can be exhausted through the hose and the exhaust nozzle, so that the air is prevented from entering the liquid raw materials, small bubbles, small cracks and the like do not exist in the cast and molded hub, and the quality of the cast and molded hub is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of wheel hub moulds, in particular to a wheel hub mould side mould mechanism. Background Art

[0002] The automobile wheel hub is the part in the center of the wheel where the axle is installed, which is often called the "wheel rim" or "steel rim". The wheel hub has various shapes and is an important part of automobile parts. With the growth of China's automobile parts industry, the wheel hub industry has gradually developed and grown. The wheel hub is made through a casting molding process, which is to heat and melt the raw metal, and then pour the molten metal into the mold. After the molten metal is cooled in the mold, the wheel hub product is obtained.

[0003] However, the casting cavity is closed, so the exhaust condition of the casting mold directly affects the metal liquid filling process and the quality of the casting. In the process of the raw metal liquid flowing into the mold, there will be some air inside the mold itself. When the metal liquid flows, it is difficult to expel the air. If the air is not fully discharged, the air will exist in the molded wheel hub, which will cause defects such as pores and cracks inside the wheel hub, which undoubtedly reduces the production quality of the wheel hub.

[0004] In view of the above problems, the present utility model is proposed. Utility Model Content

[0005] In view of the deficiencies in the prior art, the purpose of the present invention is to provide a wheel hub mold side mold mechanism for solving the problems mentioned in the background technology.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions.

[0007] The utility model provides a wheel hub mold side mold mechanism, comprising a lower mold plate and an upper mold plate, wherein sliding rods are vertically arranged around the upper surface of the lower mold plate, the upper mold plate is located above the lower mold plate, the upper mold plate is parallel to the lower mold plate, the sliding rods penetrate the upper mold plate, and the upper mold plate is slidably connected to the sliding rods;

[0008] A lower mold is disposed at the center of the upper surface of the lower mold plate, an upper mold is disposed at the center of the lower surface of the upper mold plate, the lower mold and the upper mold are aligned up and down, a lower mold cavity is disposed at the center of the upper surface of the lower mold, an upper mold cavity is disposed at the center of the lower surface of the upper mold, and the lower mold cavity and the upper mold cavity are aligned up and down;

[0009] An exhaust nozzle is arranged at the center of the front side of the lower mold, and the exhaust nozzle is connected to the lower mold cavity through a cavity, and the cavity is arranged inside the lower mold;

[0010] It also includes a seat plate and an air pump, wherein the air pump is arranged on the seat plate, the seat plate is installed on the upper surface of the lower mold plate, and the side of the seat plate close to the lower mold is movably connected with the lower mold.

[0011] Preferably, it further comprises a spring, wherein the spring sleeve is wound around the sliding rod, the lower end of the spring is fixed to the upper surface of the lower template, and the upper end of the spring is located below the upper template.

[0012] Preferably, the upper surface of the lower mold is provided with an annular convex edge around the lower mold cavity, and the lower surface of the upper mold is provided with an annular groove around the upper mold cavity, and the convex edge and the groove are aligned up and down.

[0013] Preferably, a liquid injection port is provided at a central position of the upper surface of the upper mold plate, the liquid injection port is connected to the upper mold cavity, and the inner diameter of the liquid injection port gradually decreases from top to bottom.

[0014] Preferably, an air inlet is provided on a side of the air pump close to the exhaust nozzle, a hose is threadedly connected to the air inlet, and an end of the hose away from the air inlet is movably connected to the exhaust nozzle.

[0015] Preferably, two mutually parallel slide grooves are arranged on the side of the lower mold close to the air pump, and two mutually parallel protrusions are arranged on the side of the seat plate close to the lower mold, and the protrusions are slidably connected to the slide grooves.

[0016] Preferably, the two slide grooves are symmetrically distributed with the axis of the lower mold as the center line, and the two protrusions are symmetrically distributed with the axis of the seat plate as the center line.

[0017] Compared with the prior art, the utility model has the following beneficial effects:

[0018] When the upper mold moves downward, the upper mold and the lower mold can fit together. At this time, the convex edge just enters the groove, and the lower mold cavity and the upper mold cavity form a casting space. The convex edge and the groove can enhance the sealing of the casting space. The melted liquid raw material is injected into the lower mold cavity and the upper mold cavity through the injection port. After waiting for the cooling zone, the upper mold moves upward to separate the lower mold cavity and the upper mold cavity, and the formed wheel hub is located in the lower mold cavity;

[0019] A hydraulic rod is provided on the top surface of the upper mold plate, which can drive the upper mold plate to move up and down. When the upper mold plate moves upward, the spring can generate thrust on the upper mold plate, making it convenient for the upper mold cavity to leave the lower mold cavity; when the liquid raw material flows into the lower mold cavity and the upper mold cavity, the air pump works to discharge the air between the upper mold cavity and the lower mold cavity through the hose and the exhaust nozzle, so that the upper mold cavity and the lower mold cavity are in a vacuum state, avoiding air from entering the liquid raw material, so that there are no small bubbles and small cracks inside the cast wheel hub, thereby ensuring the quality of the cast wheel hub. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional diagram of the utility model;

[0021] Figure 2 It is a three-dimensional diagram of the utility model;

[0022] Figure 3 It is a three-dimensional diagram of the utility model;

[0023] Figure 4 It is a three-dimensional diagram of the utility model.

[0024] In the figure: 1. lower template; 11. lower mold; 12. lower mold cavity; 13. slide groove; 14. exhaust nozzle; 15. convex edge; 2. upper template; 21. upper mold; 22. upper mold cavity; 23. liquid injection port; 24. groove; 3. slide rod; 31. spring; 4. seat plate; 41. bump; 42. notch; 5. air pump; 51. hose. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0026] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0027] like Figure 1-4 As shown, a wheel hub mold side mold mechanism comprises a lower mold plate 1 and an upper mold plate 2, wherein sliding rods 3 are vertically arranged around the upper surface of the lower mold plate 2, the upper mold plate 2 is located above the lower mold plate 1, the upper mold plate 2 is parallel to the lower mold plate 1, the sliding rod 3 penetrates the upper mold plate 2, the upper mold plate 2 is slidably connected to the sliding rod 3, and the sliding rod 3 guides the upper mold plate 2 to move up and down;

[0028] A lower mold 11 is disposed at the center of the upper surface of the lower template 1, an upper mold 21 is disposed at the center of the lower surface of the upper template 2, the lower mold 11 and the upper mold 21 are aligned vertically, a lower mold cavity 12 is disposed at the center of the upper surface of the lower mold 11, an upper mold cavity 22 is disposed at the center of the lower surface of the upper mold 21, the lower mold cavity 12 and the upper mold cavity 22 are aligned vertically, and the lower mold cavity 12 and the upper mold cavity 22 form a casting space;

[0029] An exhaust nozzle 14 is provided at the center of the front of the lower mold 11. The exhaust nozzle 14 is connected to the lower mold cavity 12 through a cavity. The cavity is provided inside the lower mold 11. The air in the lower mold cavity 12 and the upper mold cavity 22 can be exhausted through the exhaust nozzle 14.

[0030] It also includes a seat plate 4 and an air pump 5 , wherein the air pump 5 is disposed on the seat plate 4 , the seat plate 4 is mounted on the upper surface of the lower mold plate 1 , and the side of the seat plate 4 close to the lower mold 11 is movably connected to the lower mold 11 .

[0031] It also includes a spring 31, which is wrapped around the sliding rod 3. The lower end of the spring 31 is fixed to the upper surface of the lower mold plate 1, and the upper end of the spring 31 is located below the upper mold plate 2. When the upper mold plate 2 moves upward, the spring 31 generates an upward thrust on the upper mold plate 2, thereby facilitating the separation of the upper mold cavity 22 and the lower mold cavity 12.

[0032] The upper surface of the lower mold 11 is located around the lower mold cavity 12 and is provided with a circular convex edge 15. The lower surface of the upper mold 21 is located around the upper mold cavity 22 and is provided with a circular groove 24. The convex edge 15 and the groove 24 are aligned up and down, and the convex edge 15 can enter the groove 24 to enhance the sealing of the upper mold cavity 12 and the lower mold cavity 22.

[0033] A liquid injection port 23 is provided at the central position of the upper surface of the upper mold plate 2, and the liquid injection port 23 is connected to the upper mold cavity 22. The inner diameter of the liquid injection port 23 gradually decreases from top to bottom, and the liquid casting raw material flows into the upper mold cavity 22 and the lower mold cavity 12 through the liquid injection port 23.

[0034] The air pump 5 is provided with an air inlet on one side close to the exhaust nozzle 14 , and a hose 51 is threadedly connected to the air inlet. One end of the hose 51 away from the air inlet is movably connected to the exhaust nozzle 14 .

[0035] The side of the lower mold 11 close to the air pump 5 is provided with two parallel slide grooves 13 , and the side of the seat plate 4 close to the lower mold 11 is provided with two parallel protrusions 41 , and the protrusions 41 are slidably connected to the slide grooves 13 .

[0036] The two slide grooves 13 are symmetrically distributed with the axis of the lower mold 11 as the center line, and the two protrusions 41 are symmetrically distributed with the axis of the seat plate 4 as the center line.

[0037] In summary: when the upper mold plate 2 moves downward, the upper mold 21 and the lower mold 11 can fit together, and at this time, the convex edge 15 just enters the groove 24, and the lower mold cavity 12 and the upper mold cavity 22 form a casting space. The convex edge 15 and the groove 24 can enhance the sealing of the casting space, and the melted liquid raw material is injected into the lower mold cavity 12 and the upper mold cavity 22 through the liquid injection port 23. After waiting for the cooling zone, the upper mold plate 2 moves upward to separate the lower mold cavity 12 and the upper mold cavity 22, and the formed wheel hub is located in the lower mold cavity 22;

[0038] The top surface of the upper mold plate 2 is provided with a hydraulic rod, which can drive the upper mold plate 2 to move up and down. When the upper mold plate 2 moves upward, the spring 31 can generate a thrust on the upper mold plate 2, so that the upper mold cavity 22 can leave the lower mold cavity 12. When the liquid raw material flows into the lower mold cavity 12 and the upper mold cavity 22, the air pump 5 works to discharge the air between the upper mold cavity 22 and the lower mold cavity 12 through the hose 51 and the exhaust nozzle 14. In this way, the upper mold cavity 22 and the lower mold cavity 12 are in a vacuum state, which prevents air from entering the liquid raw material, so that there are no small bubbles and small cracks inside the cast wheel hub, thereby ensuring the quality of the cast wheel hub.

[0039] When the liquid raw material flows into the space between the lower mold cavity 12 and the upper mold cavity 22, the air pump 5 works to extract the air between the lower mold cavity 12 and the upper mold cavity 22, and a small amount of liquid raw material flows into the cavity connected to the exhaust nozzle 14. The cavity has a certain length. When the liquid raw material flows into the cavity, the temperature will gradually decrease, and part of the liquid raw material in the cavity will solidify into a solid, blocking the cavity, that is, the liquid raw material will not flow out through the exhaust nozzle 14. When the liquid raw material between the lower mold cavity 12 and the upper mold cavity 22 solidifies into a wheel hub, the upper mold plate 2 moves upward to take out the wheel hub, and a small section of the raw material solid will remain in the cavity. Use a poking needle to penetrate the exhaust nozzle 14 to poke out the raw material solid in the cavity.

[0040] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A wheel hub mold side mold mechanism, characterized in that: It comprises a lower template (1) and an upper template (2), wherein the upper surface of the lower template (1) is vertically provided with sliding rods (3) around it, the upper template (2) is located above the level of the lower template (1), the upper template (2) is parallel to the lower template (1), the sliding rod (3) passes through the upper template (2), and the upper template (2) is slidably connected to the sliding rod (3); A lower mold (11) is arranged at the center of the upper surface of the lower mold plate (1), an upper mold (21) is arranged at the center of the lower surface of the upper mold plate (2), the lower mold (11) and the upper mold (21) are aligned vertically, a lower mold cavity (12) is arranged at the center of the upper surface of the lower mold (11), an upper mold cavity (22) is arranged at the center of the lower surface of the upper mold (21), and the lower mold cavity (12) and the upper mold cavity (22) are aligned vertically; An exhaust nozzle (14) is arranged at the center of the front face of the lower mold (11); the exhaust nozzle (14) and the lower mold cavity (12) are connected via a cavity, and the cavity is arranged inside the lower mold (11); It also includes a seat plate (4) and an air pump (5), wherein the air pump (5) is arranged on the seat plate (4), the seat plate (4) is installed on the upper surface of the lower mold plate (1), and the side of the seat plate (4) close to the lower mold (11) is movably connected to the lower mold (11).

2. A wheel hub mold side mold mechanism according to claim 1, characterized in that: It also includes a spring (31), which is wrapped around the sliding rod (3), the lower end of the spring (31) is fixed to the upper surface of the lower template (1), and the upper end of the spring (31) is located below the upper template (2).

3. A wheel hub mold side mold mechanism according to claim 1, characterized in that: The upper surface of the lower mold (11) is located around the lower mold cavity (12) and is provided with a circular convex edge (15), and the lower surface of the upper mold (21) is located around the upper mold cavity (22) and is provided with a circular groove (24), and the convex edge (15) and the groove (24) are aligned up and down.

4. A wheel hub mold side mold mechanism according to claim 1, characterized in that: A liquid injection port (23) is provided at the central position of the upper surface of the upper mold plate (2), the liquid injection port (23) is connected to the upper mold cavity (22), and the inner diameter of the liquid injection port (23) gradually decreases from top to bottom.

5. A wheel hub mold side mold mechanism according to claim 1, characterized in that: An air inlet is provided on one side of the air pump (5) close to the exhaust nozzle (14), a hose (51) is threadedly connected to the air inlet, and an end of the hose (51) away from the air inlet is movably connected to the exhaust nozzle (14).

6. A wheel hub mold side mold mechanism according to claim 1, characterized in that: The side of the lower mold (11) close to the air pump (5) is provided with two mutually parallel slide grooves (13), and the side of the seat plate (4) close to the lower mold (11) is provided with two mutually parallel protrusions (41), and the protrusions (41) are slidably connected to the slide grooves (13).

7. A wheel hub mold side mold mechanism according to claim 6, characterized in that: The two slide grooves (13) are symmetrically distributed with the axis of the lower mold (11) as the center line, and the two protrusions (41) are symmetrically distributed with the axis of the seat plate (4) as the center line.

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