Casting die head with radial parts
By designing a casting die with radial parts and setting up multiple branches to form a casting cavity, the problem of air holes when casting products with radial structures is solved, and the integrity and quality of the product are improved.
Patent Information
- Application Number
- CN202420288156.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-07
- Publication Date
- 2025-01-21
- Estimated Expiration
- 2034-02-07
AI Technical Summary
When casting a product with a radial structure, pores are easily formed in the outer circle and center of the product, resulting in product defects.
Design a casting die with radial parts, set up multiple branches to form a casting cavity, and cast from the outer ring and center of the product respectively to ensure that the molten metal can flow to every part of the product.
It effectively avoids the formation of air holes on the outer circle and center of the product, ensuring the integrity and quality of the product.
Smart Images
Figure CN222370309U_ABST
Abstract
Description
Technical Field
[0001] The invention discloses a casting die head with radial components, belonging to the technical field of metal casting. Background Art
[0002] In daily life, components with radial structures are commonly found in various industries, such as Figure 4 The valve wheel shown is formed by a central circle 11 and an outer circle 12, and the central circle 11 and the outer circle 12 are connected by a plurality of radial sections 10. Figure 4 When making the parts shown in the figure, lost wax casting is a common method. The process is roughly as follows: wax is made into the shape of the mold to be made, and then high-temperature resistant fine mud is poured onto the surface of the wax mold, and fine sand is sprinkled on the surface of the mud. This process is repeated many times to form a complete shell. After drying, it is heated to melt the wax to form a casting mold, and finally molten metal is poured into the casting mold to obtain the corresponding product after final molding.
[0003] When pouring molten metal into the casting mold, a die head needs to be set up to connect with the casting mold. The inside of the die head is a channel, and the molten metal flows into the casting mold through the die head. Figure 4 When the product with a radial structure is shown, the following problems are found: after the molten metal passes through the die head and enters the casting mold, since the final product is circular as a whole, its range is large. Therefore, after the casting is completed, air holes are easily formed at the far end of the casting port (the circumference of the outer circle 12); at the same time, since the thickness of the center circle 11 is generally slightly larger than the rear end of the radiation section 10, the volume of molten metal required at the center circle 11 is large, so air holes are also easily formed at the center circle 11, resulting in product defects.
[0004] Therefore, a method for casting is designed Figure 4 When the product has a radial structure as shown, a technical solution to reduce the pores in the product due to casting has become an urgent problem to be solved in the field. Utility Model Content
[0005] The technical problem to be solved by the utility model is: to overcome the shortcomings of the prior art and provide a casting die head with radial components which is provided with multiple branches and is used for casting respectively from the outer circle and the center of the product during casting to ensure that the molten metal can flow to every part of the product and avoid the formation of pores in the final product.
[0006] The technical solution adopted by the utility model to solve its technical problem is: the casting die head with radial components is characterized in that it includes multiple radial branches, one of which is a main branch, a casting port is arranged at the port of the main branch, and branch casting ports are opened on the sides of the main branch and all other sub-branches, and the main flow channel in the main branch and the sub-flow channels in all sub-branches are combined to form a casting cavity.
[0007] Preferably, the length of the main branch is greater than the length of each of the other secondary branches.
[0008] Preferably, a central casting port is provided at the junction of the main branch and other sub-branches.
[0009] Preferably, the branch casting gates and the central casting gate are symmetrically opened on both sides.
[0010] Preferably, all branch pouring ports are cocircular.
[0011] Preferably, a supplementary branch is provided between the main branch and the adjacent secondary branch, or between any two secondary branches, and the supplementary branch is communicated with the casting cavity.
[0012] Preferably, the supplementary branch is arranged on the opposite side of the main branch.
[0013] Preferably, the length of the supplementary branch is shorter than the length of the secondary branch.
[0014] Compared with the prior art, the utility model has the following beneficial effects:
[0015] In the casting die head with radial components, multiple branches are set, and the flow channels in the multiple branches are combined to form a casting cavity. When casting, casting is performed separately from the outer circle and the center of the product to ensure that the molten metal can flow to every part of the product. At the same time, each branch of the product is formed from the center and the periphery of the product, thereby avoiding the formation of pores in the final product.
[0016] In the casting die head with radial components, a certain volume of molten metal will accumulate in the supplementary branch, so the central circle of the product is supplemented to ensure that the central circle has a large demand for molten metal due to its large thickness; at the same time, the length of the main branch is greater than that of other sub-branches, and a certain amount of compensation is also made at the entrance of the molten metal to avoid the "sand eyes" (air holes) formed in the center after the molten metal is cooled. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a front view of Example 1 of the casting die head with radial components.
[0018] Figure 2 Schematic diagram of the casting process of a casting die with radial components.
[0019] Figure 3 It is a front view of Example 1 of the casting die head with radial components.
[0020] Figure 4 It is a schematic diagram of a radial component in the prior art.
[0021] Among them: 1, casting mouth 2, main branch 3, branch casting mouth 4, central casting mouth 5, auxiliary branch 6, supplementary branch 7, auxiliary casting channel 8, central casting channel 9, casting mold 10, radiation section 11, center circle 12, outer circle. DETAILED DESCRIPTION
[0022] Figure 1~2 It is the best embodiment of the utility model, and the following Figures 1 to 4 The utility model is further described.
[0023] Embodiment 1:
[0024] like Figure 1 As shown, a casting die head with a radial component (hereinafter referred to as the casting die head) includes a plurality of branches arranged radially, all of which are an integrated structure, and the number of branches and the arrangement angles between adjacent branches are consistent with the radiation section 10 (see Figure 4 ) and their arrangement angles correspond one to one.
[0025] Among all the branches, there is a main branch 2 whose length is greater than that of other branches, and the other branches of equal length are sub-branches 5, and a conical casting port 1 is provided at the port of the main branch 2. In this embodiment, two sub-branches 5 are provided.
[0026] The casting die head is a hollow structure, with the main flow channel in the main branch 2 and the secondary flow channels in all the secondary branches 5. Inside the casting die head, the main flow channel and the secondary flow channels form an integrated casting channel. Branch casting ports 3 connected to the casting channel are provided on the sides of the main branch 2 and each secondary branch 5. All branch casting ports 3 are preferably located on the same circumference. In the casting die head, a central casting port 4 is also provided on the side of the junction of the main branch 2 and the secondary branch 5. The central casting port 4 is located at the center of the circumference of all the branch casting ports 3. Branch casting ports 3 and central casting ports 4 are provided on both sides of the casting die head.
[0027] A supplementary branch 6 is provided between the main branch 2 and the adjacent secondary branch 5, or between any two secondary branches 5. The length of the supplementary branch 6 is less than that of the secondary branch 5. The supplementary branch 6 is preferably provided on the opposite side of the main branch 2. The inner cavity of the supplementary branch 6 is also connected to the casting channel of the casting die head.
[0028] The specific working process and working principle are as follows:
[0029] like Figure 2 As shown, each branch casting port 3 is connected to an auxiliary casting channel 7, and the central casting port 4 is connected to a central casting channel 8, and then the auxiliary casting channels 7 and the central casting channel 8 on both sides are respectively connected to the casting mold 9 on both sides. The molten metal is poured into the casting die head from the casting port 1.
[0030] After the molten metal enters the casting die head, it first passes through the main flow channel in the main branch 2 and enters the secondary flow channels in the surrounding secondary branches 5. Then it passes through the branch casting port 3 and the central casting port 4 and enters the secondary casting channel 7 and the central casting channel 8, and enters the casting mold 9 on both sides. Finally, the casting is formed. Figure 4 Products with the structure shown.
[0031] Since the secondary branch 5 and the main branch 2 correspond one-to-one to the radiation section 10 in the final product, the casting is performed respectively from the outer circle (outer circle 12) and the center (center circle 11) of the product during the above casting to ensure that the molten metal can flow to every part of the product. At the same time, each branch of the product is formed from the center and periphery of the product, thereby avoiding the formation of pores in the final product.
[0032] During casting, a certain volume of molten metal will accumulate in the supplementary branch 6, so it is supplemented at the center circle 11 of the product to ensure that the center circle 11 has a large demand for molten metal due to its large thickness; at the same time, the length of the main branch 2 is greater than that of other sub-branches 5, and a certain amount of compensation is also made at the entrance of the molten metal to avoid the "sand holes" (air holes) formed in the center after the molten metal is cooled.
[0033] Embodiment 2:
[0034] like Figure 3 As shown, the difference between this embodiment and embodiment 1 is that in this embodiment, six secondary branches 5 are provided.
[0035] The above is only the preferred embodiment of the utility model, and does not limit the utility model in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the utility model without departing from the technical solution of the utility model still belongs to the protection scope of the technical solution of the utility model.
Claims
1. A casting die head with radial components, characterized in that: The invention comprises a plurality of radial branches, one of which is a main branch (2), a casting port (1) is arranged at the end of the main branch (2), and branch casting ports (3) are opened at the sides of the main branch (2) and all other secondary branches (5), and a main flow channel in the main branch (2) and secondary flow channels in all secondary branches (5) are combined to form a casting cavity.
2. The casting die head with radial components according to claim 1, characterized in that: The length of the main branch (2) is greater than the length of each of the other secondary branches (5).
3. The casting die head with radial components according to claim 1 or 2, characterized in that: A central casting port (4) is provided at the junction of the main branch (2) and the other secondary branches (5).
4. The casting die head with radial components according to claim 3, characterized in that: The branch casting openings (3) and the central casting opening (4) are symmetrically arranged on both sides.
5. The casting die head with radial components according to claim 1, characterized in that: All branch casting ports (3) are circular.
6. The casting die head with radial components according to claim 1, characterized in that: A supplementary branch (6) is provided between the main branch (2) and the secondary branch (5) adjacent thereto, or between any two secondary branches (5), and the supplementary branch (6) is communicated with the casting cavity.
7. The casting die head with radial components according to claim 6, characterized in that: The supplementary branch (6) is arranged on the opposite side of the main branch (2).
8. The casting die head with radial components according to claim 6, characterized in that: The length of the supplementary branch (6) is shorter than the length of the secondary branch (5).