Metal mold bottom pouring type pouring system
By adopting a casting structure of one-mode and two-casting metal-type bottom-injection type, the problem of difficult to guarantee the aluminum liquid coil and dimensional accuracy in traditional casting systems is solved, and the slow rise and smooth flow of aluminum liquid is achieved, and the production accuracy and efficiency of castings are improved.
Patent Information
- Application Number
- CN202422336179.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-25
- Publication Date
- 2025-08-12
- Estimated Expiration
- 2034-09-25
AI Technical Summary
During the casting process, the aluminum liquid is prone to rolling gas, and the dimensional accuracy is difficult to guarantee. There are defects such as cracks, cold partitions and shrinkage holes inside the casting.
A metal-shaped bottom-injection type casting structure is adopted, with a serpentine runner in the middle, and castings are set on both sides. The serpentine runner is connected to the inner runner through a transverse runner, the top of the casting is connected to the riser, the top of the riser is flush with the serpentine runner, and a slag-collection pack is provided on the transverse runner, and a downward protruding structure is provided in the middle of the bottom of the transverse runner.
The liquid aluminum splashing and air rolling are reduced, and the liquid aluminum rises slowly and the flow is stable, which improves the production accuracy and production efficiency of castings, while reducing costs.
Smart Images
Figure CN223210429U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of casting, in particular to a metal mold bottom pouring type casting system. Background Art
[0002] With the continuous development and progress of society, the quality requirements for castings are becoming increasingly stringent. All parts of castings are subjected to X-ray inspection, and hazardous defects such as cracks, cold shuts, and shrinkage holes are not allowed inside the castings. Castings have many cavities, and traditional pouring systems easily cause air entrapment in the molten aluminum during casting, making it difficult to ensure dimensional accuracy.
[0003] Therefore, it is necessary to develop a new injection system to overcome the above problems. Utility Model Content
[0004] Purpose of the utility model: In view of the shortcomings and defects of the existing technology, the utility model provides a metal mold bottom pouring casting system, which adopts a metal mold bottom pouring one-mold two-casting casting structure to reduce aluminum liquid splashing and air entrainment, achieve slow rise of aluminum liquid and smooth flow, and the riser at the upper end has better shrinkage compensation and exhaust effects; ensuring the production accuracy of castings.
[0005] Technical solution: The utility model is a metal mold bottom pouring pouring system, which is characterized by: adopting a metal mold bottom pouring one mold two casting pouring structure, a serpentine runner is set in the middle, and castings are set on both sides. The serpentine runner is connected to the castings on both sides through the inner runners at both ends of the horizontal runner, and the top of the casting is connected to the riser.
[0006] Wherein, the top of the riser is flush with the top of the serpentine runner.
[0007] Wherein, the vertical cross-section of the riser is a trapezoidal structure that is wide at the top and narrow at the bottom.
[0008] Wherein, a slag collecting bag is provided on the horizontal runner.
[0009] Wherein, the number of the slag collecting bags is 2, and the slag collecting bags are located between the serpentine runner and the inner runner.
[0010] Wherein, a downward protruding structure is provided in the middle of the bottom of the runner.
[0011] Beneficial Effects: Compared with existing technologies, this invention offers the following significant advantages: It utilizes a metal mold to improve casting dimensional accuracy. It employs a serpentine gate to reduce aluminum molten splashing and air entrainment, ensuring a slow rise and smooth flow. The riser at the top provides excellent shrinkage compensation and exhaust. It utilizes a single mold, two-cast gating system, improving production efficiency and reducing costs. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1It is a structural diagram of the utility model;
[0013] In the figure, 1 is the riser; 2 is the casting; 3 is the serpentine runner; 4 is the horizontal runner; 5 is the inner runner; and 6 is the slag bag. DETAILED DESCRIPTION
[0014] The technical solution of the present utility model is further described below in conjunction with the accompanying drawings and specific implementation methods.
[0015] The metal mold bottom pouring casting system of the present invention adopts a metal mold bottom pouring one-mold two-casting casting structure, with a serpentine runner 3 arranged in the middle and castings 2 arranged on both sides. The serpentine runner 3 is connected to the castings 2 on both sides through the inner runners 5 at both ends of the cross runner 4, and the top of the casting 2 is connected to the riser 1. Among them, the top of the riser 1 is flush with the top of the serpentine runner 3. The vertical section of the riser 1 is a trapezoidal structure that is wide at the top and narrow at the bottom. A slag collecting bag 6 is provided on the cross runner 4. The number of the slag collecting bags 6 is 2, and the slag collecting bag 6 is located between the serpentine runner 3 and the inner runner 5. A downward protruding structure is provided in the middle of the bottom of the cross runner 4.
[0016] This utility model utilizes a metal mold to ensure the desired casting dimensions. It employs a bottom-pouring pouring system. Based on the casting's dimensions and internal structure, the pouring system, as shown in the figure, is designed. The pouring system features a serpentine bottom pouring system, a center water inlet, and risers at both ends, creating a dual-cast structure within a mold. Because molten metal can easily oxidize if the sprue fills too quickly, the serpentine pouring system minimizes splashing and air entrainment, ensuring a slow rise and smooth flow. The riser at the top provides excellent shrinkage compensation and air venting.
[0017] This new model utilizes a metal mold to improve casting dimensional accuracy. It employs a serpentine gate to minimize aluminum molten splashing and air entrainment, ensuring a slow rise and smooth flow. A riser at the top provides excellent shrinkage compensation and exhaust. This new model utilizes a single-mold, two-cast pouring system, improving production efficiency and reducing costs.
Claims
1. A metal bottom pouring system, characterized by: A metal mold bottom-pouring one-mold two-casting pouring structure is adopted, a serpentine runner (3) is arranged in the middle, and castings (2) are arranged on both sides. The serpentine runner (3) is connected to the castings (2) on both sides through the inner runners (5) at both ends of the horizontal runner (4), and the top of the casting (2) is connected to the riser (1).
2. The metal mold bottom pouring system according to claim 1, characterized in that: The top of the riser (1) is flush with the top of the serpentine runner (3).
3. The metal mold bottom pouring system according to claim 1, characterized in that: The vertical cross section of the riser (1) is a trapezoidal structure that is wide at the top and narrow at the bottom.
4. The metal mold bottom pouring system according to claim 1, characterized in that: A slag collecting bag (6) is provided on the horizontal runner (4).
5. The metal mold bottom pouring system according to claim 4, characterized in that: The number of the slag collecting bags (6) is 2, and the slag collecting bags (6) are located between the serpentine runner (3) and the inner runner (5).
6. The metal mold bottom pouring system according to claim 1, characterized in that: A downwardly protruding structure is provided in the middle of the bottom of the runner (4).