A die-casting mold for LED lamp housing

Abstract

The utility model relates to a die-casting mold for an LED lamp housing, comprising an upper mold structure, a lower mold structure and a mold foot structure, wherein the upper mold structure and the lower mold structure are arranged in a stacked arrangement, an upper mold core and a lower mold core are installed between the upper mold structure and the lower mold structure, a mold foot structure is installed on the lower end surface of the lower mold structure, a lower bottom plate is installed on the lower end surface of the mold foot structure, two mold cavity structures are symmetrically installed between the lower mold core and the upper mold core, a molding convex column protruding upward is arranged in the middle of the mold cavity structure, a cooling cavity is arranged in the molding convex column, a top plate structure is installed inside the mold foot structure, and cooling pipes of the cooling cavity inserted into the molding convex column are symmetrically installed on the top plate structure. The utility model has the characteristics of improving production efficiency, rapidly cooling the product, and avoiding shrinkage holes in the product.

Description

Technical Field

[0001] The utility model relates to the technical field of lamp housing die-casting, in particular to a die-casting mold for an LED lamp housing. Background Art

[0002] The general LED lamp housing adopts a high-thin shell structure. Due to the high height, a high-height convex column structure needs to be set on the die-casting mold during the production process. However, due to the design of the high-height convex column structure, the heat accumulation there is high, which is not conducive to the rapid cooling of the product and easily causes shrinkage holes in the thin shell structure, which also affects the production efficiency. In order to solve the above problems, the mold structure needs to be improved. Summary of the invention

[0003] The technical problem to be solved by the utility model is to provide a die-casting mold for an LED lamp housing, which has the characteristics of improving production efficiency, quickly cooling the product, and avoiding shrinkage holes in the product.

[0004] The technical solution adopted by the utility model to solve its technical problems is: to provide a die-casting mold for an LED lamp housing, comprising an upper mold structure, a lower mold structure and a mold foot structure, the upper mold structure and the lower mold structure are arranged in an up-and-down stack, an upper mold core and a lower mold core are installed between the upper mold structure and the lower mold structure, a mold foot structure is installed on the lower end surface of the lower mold structure, a lower bottom plate is installed on the lower end surface of the mold foot structure, two mold cavity structures are symmetrically installed between the lower mold core and the upper mold core, a molding boss protruding upward is arranged in the middle of the mold cavity structure, a cooling cavity is arranged in the molding boss, a top plate structure is installed inside the mold foot structure, and cooling pipes of the cooling cavity inserted into the molding boss are symmetrically installed on the top plate structure.

[0005] In the technical solution, two cavity structures are provided to ensure that the mold can produce two pieces in one mold to ensure the production efficiency of the product, the inner cavity of the lamp housing is molded by providing a molding protrusion, a cooling cavity is provided to ensure that the product can be cooled quickly, and a cooling pipe is provided to ensure the circulation of the coolant.

[0006] As a supplement to the present technical solution, there are two groups of cooling pipes, each group is provided with three pipes, the lower ends of the three pipes pass through the top plate structure and are fixed on the lower base plate, four side docking pipes are symmetrically installed on the left and right parts of the lower end of the mold foot structure, and two front docking pipes are symmetrically installed on the left and right parts of the lower end of the mold foot structure. The four side docking pipes and the two front docking pipes are docked one by one with the two groups of cooling pipes.

[0007] In this technical solution, two groups of cooling pipes are provided to independently cool the two mold cavity structures, and side docking pipes and front docking pipes are provided to dock with the external cooling system, thereby forming a cooling cycle to ensure that the product can be cooled quickly.

[0008] As a supplement to the technical solution, a gate structure is embedded and installed in the rear part of the upper mold structure, and a diverter cone mounting block embedded in the lower mold core is installed on the lower side of the gate structure.

[0009] In this technical solution, a gate structure is installed to facilitate the flow of aluminum liquid into the slot mold cavity structure.

[0010] As a supplement to the present technical solution, a diverter cone structure is installed on the diverter cone mounting block, and two openings are arranged on the front side of the diverter cone structure. The two openings are connected to the two cavity structures through two main channels, and the two cavity structures are filled with aluminum liquid by installing the two main channels.

[0011] As a supplement to the present technical solution, the front end of the main flow channel is connected to the mold cavity structure through a diffusion-type branch flow channel, and the diffusion-type branch flow channel is provided to facilitate rapid filling of the mold cavity structure.

[0012] As a supplement to the technical solution, a plurality of exhaust slag bag structures surrounding the forming bosses are arranged on the front side of the forming bosses, and the exhaust slag bag structures are arranged to quickly discharge hot air.

[0013] Beneficial effects: The utility model relates to a die-casting mold for LED lamp housings, which provides two cavity structures to ensure that the mold can produce two pieces at a time to ensure product production efficiency, provides molding convex columns to mold the inner cavity of the lamp housing, provides a cooling cavity to ensure rapid cooling of the product, and provides a cooling pipe to ensure the circulation of the coolant. The utility model has the characteristics of improving production efficiency, rapidly cooling the product, and avoiding shrinkage holes in the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural view of the utility model;

[0015] Figure 2 This is a structural view of the utility model after removing the upper mold structure and the upper mold core;

[0016] Figure 3 It is the front view of the utility model;

[0017] Figure 4 It is a structural view of the side butt pipe and the front butt pipe described in the utility model.

[0018] Illustration: 1. Upper mold structure, 2. Lower mold structure, 3. Mold foot structure, 4. Lower base plate, 5. Lifting ring structure, 6. Gate structure, 7. Diverter cone mounting block, 8. Molding boss, 9. Main runner, 10. Exhaust slag bag structure, 11. Lower mold core, 12. Diffusion diverter, 13. Top plate structure, 14. Cooling pipe, 15. Side docking pipe, 16. Front docking pipe. DETAILED DESCRIPTION

[0019] The present invention is further described below in conjunction with specific embodiments. It should be understood that these embodiments are only used to illustrate the present invention and are not used to limit the scope of the present invention. In addition, it should be understood that after reading the content taught by the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalent forms also fall within the scope defined by the claims attached to this application.

[0020] The embodiment of the utility model relates to a die-casting mold for an LED lamp housing, such as Figure 1 —As shown in FIG4 , it comprises an upper mold structure 1, a lower mold structure 2 and a mold foot structure 3, wherein the upper mold structure 1 and the lower mold structure 2 are stacked up and down, and an upper mold core and a lower mold core 11 are stacked between the upper mold structure 1 and the lower mold structure 2, and a mold foot structure 3 is installed on the lower end surface of the lower mold structure 2, and a lower base plate 4 is installed on the lower end surface of the mold foot structure 3, and two mold cavity structures are symmetrically installed between the lower mold core 11 and the upper mold core, and a molding boss 8 protruding upward is provided in the middle of the mold cavity structure, and a cooling cavity is provided in the molding boss 8, and a top plate structure 13 is installed inside the mold foot structure 3, and cooling pipes 14 of the cooling cavity inserted into the molding boss 8 are symmetrically installed on the top plate structure 13.

[0021] In the present technical solution, two cavity structures are provided to ensure that the mold can produce two pieces at a time to ensure the production efficiency of the product, a molding protrusion 8 is provided to mold the inner cavity of the lamp housing, a cooling cavity is provided to ensure that the product can be cooled quickly, and a cooling pipe 14 is provided to ensure the circulation of the coolant.

[0022] As a supplement to the present technical solution, there are two groups of cooling pipes 14, each group is provided with three pipes, the lower ends of the three pipes pass through the top plate structure 13 and are fixed on the lower base plate 4, four side docking pipes 15 are symmetrically installed on the left and right parts of the lower end of the mold foot structure 3, and two front docking pipes 16 are symmetrically installed on the left and right parts of the lower end of the mold foot structure 3. The four side docking pipes 15 and the two front docking pipes 16 are docked one by one with the two groups of cooling pipes 14.

[0023] In the technical solution, two groups of cooling pipes 14 are provided to independently cool the two cavity structures, and side docking pipes 15 and front docking pipes 16 are provided to dock with an external cooling system, thereby forming a cooling cycle to ensure that the product can be cooled quickly.

[0024] As a supplement to the present technical solution, a gate structure 6 is embedded and installed in the rear part of the upper mold structure 1, and a diverter cone mounting block 7 embedded in the lower mold core 11 is installed on the lower side of the gate structure 6.

[0025] In the present technical solution, a gate structure 6 is installed to facilitate the flow of aluminum liquid into the slot mold cavity structure.

[0026] As a supplement to the present technical solution, a diverter cone structure is installed on the diverter cone mounting block 7, and two openings are arranged on the front side of the diverter cone structure. The two openings are connected to the two cavity structures through two main channels 9, and the two cavity structures are filled with aluminum liquid by installing the two main channels 9.

[0027] As a supplement to the present technical solution, the front end of the main flow channel 9 is connected to the mold cavity structure through a diffuser branch channel 12, and the diffuser branch channel 12 is provided to facilitate rapid filling of the mold cavity structure.

[0028] As a supplement to the present technical solution, a plurality of exhaust slag bag structures 10 surrounding the forming boss 8 are arranged on the front side of the forming boss 8, and the exhaust slag bag structures 10 are arranged to quickly discharge hot air.

[0029] In order to facilitate the transportation of the mold, a plurality of lifting ring structures 5 are provided on the front and rear sides of the mold.

[0030] Example

[0031] When production is carried out, the mold is first closed, and then the aluminum liquid is injected into the gate structure 6. The aluminum liquid enters the main channel 9 along the gate structure 6 and the diverter cone structure, and enters the diffuser channel 12 through the main channel 9. The diffuser channel 12 allows the aluminum liquid to enter the mold cavity structure, and then the mold cavity structure is filled. The air in the mold cavity structure is discharged from the exhaust slag bag structure 10. After completion, the mold is waited for cooling. At the same time, the forming boss 8 is centrally cooled through the side docking pipe 15 and the front docking pipe 16 to ensure rapid cooling of the product, thereby ensuring the production efficiency of the product, while ensuring the quality of the product and avoiding the occurrence of shrinkage holes in the product.

[0032] The above is a detailed introduction to a die-casting mold for an LED lamp housing provided by the present application. Specific examples are used in this article to illustrate the principles and implementation methods of the present application. The description of the above embodiments is only used to help understand the method of the present application and its core idea; at the same time, for general technicians in this field, according to the ideas of the present application, there will be changes in the specific implementation methods and application scopes. In summary, the content of this specification should not be understood as a limitation on the present application.

Claims

1. A die-casting mold for an LED lamp housing, comprising an upper mold structure (1), a lower mold structure (2) and a mold foot structure (3), wherein the upper mold structure (1) and the lower mold structure (2) are arranged in a stacked arrangement, an upper mold core and a lower mold core (11) are installed between the upper mold structure (1) and the lower mold structure (2), a mold foot structure (3) is installed on the lower end surface of the lower mold structure (2), and a lower base plate (4) is installed on the lower end surface of the mold foot structure (3), characterized in that: Two mold cavity structures are symmetrically installed between the lower mold core (11) and the upper mold core. A molding boss (8) protruding upward is arranged in the middle of the mold cavity structure. A cooling cavity is arranged in the molding boss (8). A top plate structure (13) is installed inside the mold foot structure (3). Cooling pipes (14) of the cooling cavity inserted into the molding boss (8) are symmetrically installed on the top plate structure (13).

2. The die-casting mold for an LED lamp housing according to claim 1, characterized in that: There are two groups of cooling pipes (14), each group is provided with three pipes, the lower ends of the three pipes pass through the top plate structure (13) and are fixed on the lower base plate (4), four side docking pipes (15) are symmetrically installed on the left and right parts of the lower end of the mold foot structure (3), and two front docking pipes (16) are symmetrically installed on the left and right parts of the lower end of the mold foot structure (3), and the four side docking pipes (15) and the two front docking pipes (16) are docked one by one with the two groups of cooling pipes (14).

3. The die-casting mold for an LED lamp housing according to claim 1, characterized in that: A gate structure (6) is embedded and installed in the rear part of the upper mold structure (1), and a diverter cone mounting block (7) embedded in the lower mold core (11) is installed on the lower side of the gate structure (6).

4. The die-casting mold for an LED lamp housing according to claim 3, characterized in that: A diverter cone structure is installed on the diverter cone mounting block (7), and two openings are arranged on the front side of the diverter cone structure. The two openings are connected to the two mold cavity structures through two main flow channels (9).

5. The die-casting mold for an LED lamp housing according to claim 4, characterized in that: The front end of the main flow channel (9) is connected to the mold cavity structure via a diffusion branch flow channel (12).

6. The die-casting mold for an LED lamp housing according to claim 1, characterized in that: A plurality of exhaust slag bag structures (10) surrounding the molding convex column (8) are arranged on the front side of the molding convex column (8).

Images