Die-casting mold core structure for anti-explosion air pump body
By designing the die-casting mold core structure of the explosion-proof air pump body, the problem of external surface defects caused by the product parting line was solved, achieving high-quality and low-cost production results.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-13
- Publication Date
- 2026-03-31
AI Technical Summary
When using conventional die-casting molds to produce explosion-proof air pump bodies, a parting line appears in the middle of the product after molding, resulting in defects on the outer surface of the product and increasing manufacturing costs.
Design a die-casting core structure for explosion-proof air pump body, including upper core, lower core and gate structure. By setting molding groove and middle insert, the product molding cavity is located in the upper core, ensuring that the parting surface is located at the lower edge of the product mold cavity and avoiding the parting surface from protruding.
Improve product quality, reduce production costs, decrease the need for finishing processes, and increase production efficiency.
Smart Images
Figure CN224058672U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of air pump molding structure technology, and in particular to a die-casting mold core structure for an explosion-proof air pump body. Background Technology
[0002] When conventional die-casting molds are used for production, both the upper and lower mold cores have a portion of the mold cavity. This results in a parting line appearing in the middle of the product after molding, causing defects on the product's surface. The conventional operation is to perform finishing after the product is removed, which greatly increases the manufacturing cost. To solve the above problems, the mold core structure needs to be improved. Summary of the Invention
[0003] The technical problem to be solved by this utility model is to provide a die-casting mold core structure for the body of an explosion-proof air pump, which has the characteristics of reducing product cost, improving product quality, and improving product production efficiency.
[0004] The technical solution adopted by this utility model to solve its technical problem is as follows: A die-casting mold core structure for an explosion-proof air pump body is provided, including an upper mold core, a lower mold core, and a gate structure. The upper and lower mold cores are stacked vertically. A gate structure is installed at the middle of the left end of the upper and lower mold cores. An venting block assembly is installed at the middle of the right end of the upper and lower mold cores. A forming groove is provided at the middle of the lower end face of the upper mold core. A central insert is installed at the middle of the upper end face of the lower mold core. A main channel is provided on the left side of the upper end face of the lower mold core. The main channel connects the gate structure and the left side of the forming groove. A product cavity is formed between the forming groove and the central insert. Several slag-filled structures surrounding the forming groove are provided on the right side of the upper end face of the lower mold core. Except for the part where the forming groove is located, the lower end face of the upper mold core is a horizontal plane, so that the parting surface of the upper and lower mold cores is located at the lower end of the product cavity.
[0005] In this technical solution, a molding groove is set to facilitate product molding. At the same time, a central insert is set to ensure that the product's molding cavity is always located inside the upper mold core. This ensures that the parting surface between the upper and lower mold cores is always at the lower edge of the product's mold cavity, preventing gaps from protruding from the parting surface on the product surface, thus ensuring product quality and reducing production costs.
[0006] As a supplement to this technical solution, an injection port is provided on the main channel and between it and the product mold cavity. The thickness of the injection port gradually decreases at the end near the product mold cavity. In this technical solution, the injection port is provided to ensure that the molten aluminum flows into the product mold cavity.
[0007] As a supplement to this technical solution, an overflow groove is provided at one end of the main channel. By providing the overflow groove, the flow rate of the molten aluminum is controlled. The overflow groove is vortex-shaped to buffer the impact force of the molten aluminum during injection.
[0008] As a supplement to this technical solution, the slag bag structure consists of five parts, divided into three groups. The three groups of slag bag structures are connected to the exhaust block assembly through the first flow channel, the second flow channel, and the third flow channel.
[0009] As a supplement to this technical solution, the slag bag structure is connected to the product mold cavity through a beveled interface, and the beveled interface is set to facilitate the outflow of molten aluminum.
[0010] As a supplement to this technical solution, the exhaust block assembly has three exhaust channels arranged side by side, and the end of the exhaust channel near the product mold cavity is provided with a tapered interface that gradually expands from left to right.
[0011] As a supplement to this technical solution, a first forming boss and a second forming boss are provided on the left side of the upper end face of the lower mold core. The first forming boss and the second forming boss are provided to facilitate the forming of the lower end of the product.
[0012] Beneficial effects: This utility model relates to a die-casting mold core structure for an explosion-proof air pump body. By setting a molding groove, the product can be easily molded. At the same time, by setting a central insert, it is ensured that the molding cavity of the product is always located in the upper mold core, so that the parting surface of the upper and lower mold cores is always located at the lower edge of the product mold cavity. This ensures that there will be no gap protrusion formed by the parting surface on the product surface, ensuring product quality and reducing product production costs. It has the characteristics of reducing product costs, improving product quality, and improving product production efficiency. Attached Figure Description
[0013] Figure 1 This is a structural view of the present invention;
[0014] Figure 2 This is a structural view of the central insert described in this utility model;
[0015] Figure 3 This is the front view of this utility model;
[0016] Figure 4 This is a structural view of the lower mold core described in this utility model;
[0017] Figure 5 This is a top view of the lower mold core described in this utility model;
[0018] Figure 6 This is a bottom view of the upper mold core described in this utility model.
[0019] Illustration: 1. Upper mold core, 2. Lower mold core, 3. Sprue structure, 4. Venting block assembly, 5. Central insert, 6. Main runner, 7. Overflow groove, 8. Injection port, 9. Slag bag structure, 10. Angled interface, 11. Product mold cavity, 12. Venting channel, 13. Conical joint, 14. First runner, 15. Second runner, 16. Third runner, 17. First molding boss, 18. Second molding boss, 19. Molding groove. Detailed Implementation
[0020] The present invention will be further illustrated below with reference to specific embodiments. It should be understood that these embodiments are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that after reading the teachings of this invention, those skilled in the art can make various alterations or modifications to the present invention, and these equivalent forms also fall within the scope defined by the appended claims.
[0021] The embodiments of this utility model relate to a die-casting mold core structure for an explosion-proof air pump body, such as... Figure 1 As shown in Figure 6, the mold includes an upper mold core 1, a lower mold core 2, and a gate structure 3. The upper mold core 1 and the lower mold core 2 are stacked vertically. The gate structure 3 is installed at the middle of the left end of the upper mold core 1 and the lower mold core 2. The venting block assembly 4 is installed at the middle of the right end of the upper mold core 1 and the lower mold core 2. A molding groove 19 is provided at the middle of the lower end face of the upper mold core 1. A central insert 5 is installed at the middle of the upper end face of the lower mold core 2. The part is provided with a main channel 6, which connects the gate structure 3 and the left side of the forming groove 19. The forming groove 19 and the middle insert 5 form a product mold cavity 11. The upper end face of the lower mold core 2 is provided with a number of slag-filled structures 9 surrounding the forming groove 19. The lower end face of the upper mold core 1 is horizontal and planar except for the part where the forming groove 19 is provided, so that the parting surface of the upper mold core 1 and the lower mold core 2 is located at the lower end of the product mold cavity 11.
[0022] In this technical solution, a molding groove 19 is provided to facilitate product molding. At the same time, a central insert 5 is provided to ensure that the product molding cavity is always located inside the upper mold core 1. This ensures that the parting surface of the upper mold core 1 and the lower mold core 2 is always located at the lower edge of the product mold cavity 11, thus ensuring that there will be no gap protrusion formed by the parting surface on the product surface, ensuring product quality and reducing product production costs.
[0023] As a supplement to this technical solution, an injection port 8 is provided on the main channel 6 between it and the product mold cavity 11. The thickness of the injection port 8 gradually decreases at the end near the product mold cavity 11. In this technical solution, the injection port 8 is provided to ensure that the aluminum liquid flows into the product mold cavity 11.
[0024] As a supplement to this technical solution, an overflow groove 7 is provided at one end of the main channel 6. By providing the overflow groove 7, the inflow speed of the aluminum liquid is controlled. The overflow groove 7 is vortex-shaped and is used to buffer the impact force of the aluminum liquid during injection.
[0025] As a supplement to this technical solution, there are five slag bag structures 9, divided into three groups. The three groups of slag bag structures 9 are connected to the exhaust block assembly 4 through the first flow channel 14, the second flow channel 15 and the third flow channel 16.
[0026] As a supplement to this technical solution, the slag bag structure 9 is connected to the product mold cavity 11 through the inclined interface 10, and the inclined interface 10 is set to facilitate the outflow of aluminum liquid.
[0027] As a supplement to this technical solution, the exhaust block assembly 4 is provided with three exhaust channels 12 arranged side by side, and the exhaust channel 12 is provided with a tapered interface 13 that gradually expands from left to right at the end near the product mold cavity 11.
[0028] As a supplement to this technical solution, a first forming boss 17 and a second forming boss 18 are provided on the left side of the upper end face of the lower mold core 2. The first forming boss 17 and the second forming boss 18 are provided to facilitate the forming of the lower end of the product.
[0029] Example
[0030] After the product is molded, the molten aluminum flows into the main runner 6 through the gate structure 3. The molten aluminum enters the product mold cavity 11 through the injection port 8. Excess molten aluminum is discharged from the inclined interface 10 and discharged from the venting block assembly 4 through the slag bag structure 9 and the first runner 14, the second runner 15 and the third runner 16. After the product cools, it is formed in the product mold cavity 11.
[0031] Since the product mold cavity 11 is set inside the upper mold core 1, the surface of the product will not have raised textures due to the parting surface forming, so the product shape does not need to be further refined, thus improving product quality and reducing product production costs.
Claims
1. A die-casting core structure for an explosion-proof air pump body, characterized in that: The system includes an upper mold core (1), a lower mold core (2), and a gating structure (3). The upper mold core (1) and the lower mold core (2) are stacked vertically. A gating structure (3) is installed at the middle of the left end of the upper mold core (1) and the lower mold core (2). An venting block assembly (4) is installed at the middle of the right end of the upper mold core (1) and the lower mold core (2). A molding groove (19) is provided at the middle of the lower end face of the upper mold core (1). A central insert (5) is installed at the middle of the upper end face of the lower mold core (2). The left side of the upper end face of the lower mold core (2) A main channel (6) is provided, which connects the gate structure (3) and the left side of the forming groove (19). A product cavity (11) is generated between the forming groove (19) and the middle insert (5). A number of slag-filled structures (9) surrounding the forming groove (19) are provided on the right side of the upper end face of the lower mold core (2). Except for the part where the forming groove (19) is provided, the lower end face of the upper mold core (1) is a horizontal plane, so that the parting surface of the upper mold core (1) and the lower mold core (2) is located at the lower end of the product cavity (11).
2. The die-casting core structure for an explosion-proof air pump body according to claim 1, characterized in that: An injection port (8) is provided on the main channel (6) and between it and the product mold cavity (11). The thickness of the injection port (8) gradually decreases at the end near the product mold cavity (11).
3. The die-casting core structure for an explosion-proof air pump body according to claim 1, characterized in that: An overflow groove (7) is provided at one end of the main channel (6).
4. The die-casting core structure for an explosion-proof air pump body according to claim 1, characterized in that: There are five slag bag structures (9) in total, divided into three groups. The three groups of slag bag structures (9) are connected to the exhaust block assembly (4) through the first flow channel (14), the second flow channel (15) and the third flow channel (16).
5. The die-casting core structure for an explosion-proof air pump body according to claim 4, characterized in that: The slag bag structure (9) is connected to the product mold cavity (11) through the inclined interface (10).
6. The die-casting core structure for an explosion-proof air pump body according to claim 1, characterized in that: The exhaust block assembly (4) has three exhaust channels (12) arranged side by side. The exhaust channel (12) has a tapered interface (13) that gradually expands from left to right at one end near the product mold cavity (11).
7. The die-casting core structure for an explosion-proof air pump body according to claim 1, characterized in that: The lower mold core (2) has a first forming boss (17) and a second forming boss (18) on the left side of its upper end face.