Vehicle hub aluminum casting mold

Abstract

The utility model belongs to the technical field of dies, and discloses a vehicle hub aluminum casting die, which comprises an upper die and a lower die, four forming cavities are arranged on the bottom surface of the lower die, four open risers are arranged on the upper die corresponding to the four forming cavities, a feed port is arranged in the center of an area enclosed by the four open risers, and the feed port is communicated with the four forming cavities. The bottom face of the upper die is provided with a butterfly-shaped flow channel communicated with the feeding port, the butterfly-shaped flow channel is communicated with the four forming cavities through four connecting ports respectively, the bottom face of the upper die is further provided with four blind risers, and the four blind risers correspond to the four forming cavities in a one-to-one mode. According to the aluminum casting mold for the vehicle hub, the pouring gate is composed of the butterfly-shaped runner and the four connecting openings, the material utilization rate is high, the symmetry is high, and the consistency of product forming and curing time is good.

Description

Technical Field

[0001] The utility model belongs to the technical field of molds, and in particular relates to a wheel hub aluminum casting mold for a vehicle. Background Art

[0002] like Figure 1 As shown, the conventional product blank 100 is an aluminum casting of a vehicle wheel hub. When the conventional product blank is produced, four products are respectively top-casted to directly introduce molten aluminum water from the feed port into the mold cavity to form the product. Since the four products are poured in steps without synchronization, the cooling and solidification time of the products is not synchronized, the mold temperature is not synchronized, the product shrinkage compensation effect is not good, and the product casting defects are easy to occur. Utility Model Content

[0003] The utility model aims to solve the above technical problems at least to a certain extent. To this end, the utility model aims to provide a vehicle wheel hub aluminum casting mold.

[0004] The technical solution adopted by the utility model is:

[0005] A vehicle wheel hub aluminum casting mold comprises an upper mold and a lower mold, wherein the bottom surface of the lower mold is provided with four molding cavities, and the upper mold is provided with four open risers corresponding to the four molding cavities. The upper mold is provided with a feed port at the center of an area surrounded by the four open risers, and the bottom surface of the upper mold is provided with a butterfly-shaped flow channel connected with the feed port, and the butterfly-shaped flow channel is connected with the four molding cavities through four connecting ports respectively. The bottom surface of the upper mold is also provided with four blind risers, and the four blind risers are arranged in one-to-one correspondence with the four molding cavities.

[0006] Preferably, the upper die is provided with a feed tube connected to the feed port and four riser tubes respectively connected to the four open risers.

[0007] The beneficial effects of the utility model are:

[0008] Since the original mold structure has been fixed, the automotive wheel aluminum casting mold provided by the utility model is based on the premise of not changing the mold structure, and has made improvements in feeding. The runner composed of a butterfly runner and four connecting ports has high material utilization, strong symmetry, and good consistency in product molding and curing time. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 This is a schematic diagram of the product blank before improvement.

[0010] Figure 2 It is a stereoscopic diagram of a vehicle wheel hub aluminum casting mold of the utility model.

[0011] Figure 3 It is a schematic diagram of the bottom surface of the upper mold of the utility model.

[0012] Figure 4It is a cross-sectional view of a vehicle wheel hub aluminum casting mold of the utility model.

[0013] Figure 5 This is a schematic diagram of the improved product blank.

[0014] In the figure: 1-upper die; 2-lower die; 3-molding cavity; 4-exposed riser; 5-feeding port; 6-butterfly-shaped runner; 7-connecting port; 8-hidden riser; 9-feeding tube; 10-riser tube; 100-product blank before improvement; 200-product blank after improvement. DETAILED DESCRIPTION

[0015] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention. The components of the embodiments of the present invention generally described and shown in the accompanying drawings herein can be arranged and designed in a variety of different configurations.

[0016] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be the internal connection of two elements.

[0017] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0018] like Figures 2 to 4 As shown, the automotive wheel aluminum casting mold of this embodiment includes an upper mold 1 and a lower mold 2, which form a cavity after being closed. The bottom surface of the lower mold 2 is provided with four molding cavities 3, and the upper mold 1 is provided with four open risers 4 corresponding to the four molding cavities 3. The upper mold 1 is provided with a feed port 5 at the center of the square area surrounded by the four open risers 4. The bottom surface of the upper mold 1 is provided with a butterfly-shaped flow channel 6 connected to the feed port 5, and the butterfly-shaped flow channel 6 is connected to the four molding cavities 3 through four connecting ports 7 respectively. The runner composed of the butterfly-shaped flow channel 6 and the four connecting ports 7 has high material utilization, strong symmetry, good flow channel synchronization, and obvious feeding slag shielding effect.

[0019] The bottom surface of the upper mold 1 is also provided with four blind risers 8, which are arranged one by one in the four molding cavities 3, and an insert (not shown in the figure) is installed in each molding cavity 3. The blind risers can prevent the secondary oxidation slag from the feed port from directly entering the product, but filter it out through the blind risers, so as to achieve the purpose of shielding slag, and at the same time, the gravity shrinkage compensation effect of the blind risers can be fully utilized, so that the product processing surface is defect-free and easy to control.

[0020] The upper mold 1 is provided with a feed tube 9 connected to the feed port 5 and four riser tubes 10 respectively connected to the four open risers 4; when the automotive wheel aluminum casting mold is used, molten aluminum is introduced from the feed tube 9, and the molten aluminum flows along the feed port 5, synchronously passes through the butterfly flow channel 6 and the four connecting ports 7 into the four molding cavities 3. Figure 5 The figure shows a schematic diagram of the improved product blank 200. Since the product feed into the four molding cavities is synchronous, the molding and curing time is consistent, the mold temperature is evenly distributed, and the runner and riser shrinkage compensation is good, which can meet the product quality requirements.

[0021] The present utility model is not limited to the above-mentioned optional implementation modes. Anyone can derive other various forms of products under the inspiration of the present utility model. However, no matter what changes are made in the shape or structure, all technical solutions that fall within the scope defined by the claims of the present utility model fall within the protection scope of the present utility model.

Claims

1. A vehicle wheel aluminum casting mold, characterized in that: The invention comprises an upper die (1) and a lower die (2), wherein the bottom surface of the lower die (2) is provided with four molding cavities (3), the upper die (1) is provided with four exposed risers (4) corresponding to the four molding cavities (3), the upper die (1) is provided with a feed port (5) at the center of an area surrounded by the four exposed risers (4), the bottom surface of the upper die (1) is provided with a butterfly-shaped flow channel (6) connected to the feed port (5), the butterfly-shaped flow channel (6) is connected to the four molding cavities (3) respectively through four connecting ports (7), and the bottom surface of the upper die (1) is also provided with four concealed risers (8), and the four concealed risers (8) are arranged one-to-one with the four molding cavities (3).

2. The vehicle wheel hub aluminum casting mold according to claim 1, characterized in that: The upper mold (1) is provided with a feed tube (9) connected to the feed port (5) and four riser tubes (10) respectively connected to the four open risers (4).

3. The vehicle wheel hub aluminum casting mold according to claim 1 or 2, characterized in that: An insert is installed in the molding cavity (3).

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