Die-casting die for LED projection lamp bracket

Abstract

The utility model relates to a die-casting die of an LED projection lamp support, which comprises an upper die, a lower die and a die foot structure, the upper die and the lower die are stacked up and down, the lower end face of the lower die is provided with the die foot structure, and an upper die core and a lower die core which are stacked up and down are arranged between the upper die and the lower die. A die cavity structure is arranged between the upper die core and the lower die core, an upper insert is embedded in the front portion of the lower end face of the upper die core, a lower insert embedded in the lower die core is installed below the upper insert, two support forming grooves extending backwards are formed between the two sides of the upper insert and the two sides of the lower insert, and the two support forming grooves extend backwards. Side core-pulling structures inserted into the mold cavity structures are symmetrically mounted on two sides of the rear part of the lower mold, and a rear core-pulling structure is mounted on the rear side of the lower mold. The device has the characteristics of improving the product quality, reducing the product manufacturing cost, improving the product production efficiency and the like.

Description

Technical Field

[0001] The utility model relates to the technical field of lamp body bracket moulds, in particular to a die-casting mould for an LED projection lamp bracket. Background Art

[0002] In the production process of conventional spotlight brackets, die-casting molds are usually required for production. After the product is formed, it usually needs to be fine-processed by a milling machine to make the product formed. This production method will greatly increase the production cost of the product. In order to reduce the manufacturing cost of the product, the die-casting mold 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 projection lamp bracket, which has the characteristics of improving product quality, reducing product manufacturing costs, and improving product production efficiency.

[0004] The utility model solves the technical problem by adopting the following technical scheme: providing a die-casting mold for an LED projection lamp bracket, comprising an upper mold, a lower mold and a mold foot structure, wherein the upper mold and the lower mold are arranged in an up-and-down stacking manner, the lower end surface of the lower mold is provided with a mold foot structure, an upper mold core and a lower mold core stacked in an up-and-down manner are provided between the upper mold and the lower mold, a mold cavity structure is provided between the upper mold core and the lower mold core, an upper insert is embedded in the front of the lower end surface of the upper mold core, a lower insert embedded in the lower mold core is provided below the upper insert, two bracket forming grooves extending rearward are provided between the two sides of the upper insert and the lower insert, side core pulling structures inserted into the mold cavity structure are symmetrically provided on both sides of the rear of the lower mold, and a rear core pulling structure is provided on the rear side of the lower mold.

[0005] In the technical solution, upper and lower inserts are provided to ensure that the middle part of the bracket is in a hollow state, thereby reducing the overall weight of the bracket and making the product lightweight. At the same time, two bracket forming grooves are provided to ensure the overall forming of the bracket. At the same time, side and rear core pulling structures are provided to ensure the accuracy of the product, avoid secondary finishing, and reduce the manufacturing cost of the product.

[0006] As a supplement to the present technical solution, a diverter cone structure is installed on the front side of the lower mold core, a gate sleeve structure is installed on the upper end of the diverter cone structure, two main flow channels flowing to the mold cavity structure are symmetrically installed on the rear sides of the diverter cone structure and the gate sleeve structure, a starting end of the main flow channel is provided with a starting flow channel flowing to the front end of the mold cavity structure, and a branch flow channel connected to the bracket molding groove is provided at the rear end of the main flow channel.

[0007] In this technical solution, a main flow channel is provided to facilitate the aluminum liquid to flow directly into the mold cavity structure. At the same time, by adding a starting flow channel and a branch flow channel, it is ensured that the aluminum liquid can quickly fill the entire mold cavity structure, thereby ensuring the molding speed of the product and improving production efficiency.

[0008] As a supplement to the present technical solution, a plurality of side slag bag structures are arranged on both sides of the rear of the mold cavity structure between the upper mold core and the lower mold core, and exhaust block assemblies are installed on the left and right parts between the upper mold and the lower mold, and the exhaust block assemblies are connected to the side slag bag structures.

[0009] In this technical solution, a side slag bag structure and an exhaust block assembly are added to ensure that the air in the mold cavity structure is quickly discharged, thereby avoiding shrinkage holes in the product and improving product quality.

[0010] As a supplement to the technical solution, two middle slag bag structures are installed side by side at the middle position of the rear part of the upper end surface of the lower mold core, and the middle slag bag structure is provided to ensure air discharge.

[0011] As a supplement to the present technical solution, the side core pulling structure includes a side core pulling bracket, a side core pulling cylinder, a core pulling rod and a connecting bracket. The side core pulling bracket is installed on the side of the lower mold, and the side core pulling bracket is installed with a side core pulling cylinder with the main shaft facing the mold cavity structure. The main shaft of the side core pulling cylinder is installed with a connecting bracket, and the connecting bracket is installed with a core pulling rod horizontally inserted into the mold cavity structure.

[0012] In this technical solution, a core-pulling rod is provided to process the hole position of the product to ensure the integrity of the product.

[0013] As a supplement to the present technical solution, the rear core pulling structure includes a rear bracket, a rear core pulling cylinder and a rear core pulling slider. The rear bracket is installed on the rear side of the lower mold, and a rear core pulling cylinder with a main shaft ahead is installed on the rear bracket. The main shaft of the rear core pulling cylinder is installed with a rear core pulling slider inserted into the rear end of the mold cavity structure.

[0014] As a supplement to the technical solution, a vertically movable ejector plate structure is installed in the middle of the mold foot structure, and a plurality of ejector structures inserted into the mold cavity structure are installed on the ejector plate structure.

[0015] As a supplement to the present technical solution, a cooling pipe installation groove is provided in the middle of the upper mold, pipeline grooves are provided on both sides of the cooling pipe installation groove, and pipeline pressure plates are embedded and installed on both ends of the pipeline groove.

[0016] Beneficial effects: The utility model relates to a die-casting mold for an LED projection lamp bracket, which ensures that the middle part of the bracket is in a hollow state by arranging an upper insert and a lower insert, thereby reducing the overall weight of the bracket and lightweighting the product. At the same time, two bracket forming grooves are arranged to ensure the overall forming of the bracket. At the same time, a side core pulling structure and a rear core pulling structure are arranged to ensure the accuracy of the product, avoid secondary finishing, and reduce the manufacturing cost of the product. It has the characteristics of improving product quality, reducing product manufacturing cost, and improving product production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is the front view of the utility model;

[0018] Figure 2 This utility model Figure 1 Section view in the AA direction;

[0019] Figure 3 It is a top view of the utility model;

[0020] Figure 4 It is a top view of the lower mold core described in the utility model.

[0021] Illustration: 1. Upper mold, 2. Lower mold, 3. Mold foot structure, 4. Bottom plate, 5. Side core pulling structure, 6. Rear core pulling structure, 7. Cooling pipe installation groove, 8. Upper mold core, 9. Lower mold core, 10. Ejector plate structure, 11. Ejector structure, 12. Upper insert, 13. Lower insert, 14. Gate sleeve structure, 15. Diverter cone structure, 16. Side core pulling bracket, 17. Side core pulling cylinder, 18. Connecting bracket, 19. Core pulling rod, 20. Main flow channel, 21. Starting flow channel, 22. Branch flow channel, 23. Bracket forming groove, 24. Exhaust block assembly, 25. Side slag bag structure, 26. Middle slag bag structure, 27. Rear bracket, 28. Rear core pulling slider, 29. Rear core pulling cylinder, 30. Pipe groove, 31. Pipe pressure plate. DETAILED DESCRIPTION

[0022] 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.

[0023] The embodiment of the utility model relates to a die-casting mold for an LED projection lamp bracket, such as Figure 1—4, comprises an upper mold 1, a lower mold 2 and a mold foot structure 3, the upper mold 1 and the lower mold 2 are arranged in an up-and-down stacking manner, the lower end surface of the lower mold 2 is installed with the mold foot structure 3, an upper mold core 8 and a lower mold core 9 are installed between the upper mold 1 and the lower mold 2 in an up-and-down stacking manner, a mold cavity structure is arranged between the upper mold core 8 and the lower mold core 9, an upper insert 12 is embedded and installed in the front of the lower end surface of the upper mold core 8, a lower insert 13 embedded in the lower mold core 9 is installed below the upper insert 12, two bracket forming grooves 23 extending backwards are arranged between the two sides of the upper insert 12 and the lower insert 13, side core pulling structures 5 inserted into the mold cavity structure are symmetrically installed on both sides of the rear of the lower mold 2, and a rear core pulling structure 6 is installed on the rear side of the lower mold 2.

[0024] In the present technical solution, an upper insert 12 and a lower insert 13 are provided to ensure that the middle part of the bracket is in a hollow state, thereby reducing the overall weight of the bracket and making the product lightweight. At the same time, two bracket forming grooves 23 are provided to ensure the overall forming of the bracket. At the same time, a side core pulling structure 5 and a rear core pulling structure 6 are provided to ensure the accuracy of the product, avoid secondary finishing, and reduce the manufacturing cost of the product.

[0025] As a supplement to the present technical solution, a diverter cone structure 15 is installed on the front side of the lower mold core 9, a gate sleeve structure 14 is installed on the upper end of the diverter cone structure 15, two main channels 20 flowing to the mold cavity structure are symmetrically installed on the rear sides of the diverter cone structure 15 and the gate sleeve structure 14, a starting end of the main channel 20 is provided with a starting channel 21 flowing to the front end of the mold cavity structure, and a branch channel 22 connected to the bracket molding groove 23 is provided at the rear end of the main channel 20.

[0026] In the present technical solution, a main flow channel 20 is provided to facilitate the aluminum liquid to flow directly into the mold cavity structure. At the same time, by adding a starting flow channel 21 and a branch flow channel 22, it is ensured that the aluminum liquid can quickly fill the entire mold cavity structure, thereby ensuring the molding speed of the product and improving production efficiency.

[0027] As a supplement to the present technical solution, a plurality of side slag bag structures 25 are arranged on both sides of the rear of the cavity structure between the upper mold core 8 and the lower mold core 9, and exhaust block assemblies 24 are installed on the left and right parts between the upper mold 1 and the lower mold 2, and the exhaust block assembly 24 is connected to the side slag bag structure 25.

[0028] In the technical solution, the side slag bag structure 25 and the exhaust block assembly 24 are added to ensure that the air in the mold cavity structure is quickly discharged, thereby avoiding the occurrence of shrinkage holes in the product and improving the product quality.

[0029] As a supplement to the present technical solution, two middle slag bag structures 26 are installed side by side at the middle position of the rear part of the upper end surface of the lower mold core 9, and the middle slag bag structures 26 are provided to ensure air discharge.

[0030] As a supplement to the present technical solution, the side core pulling structure 5 includes a side core pulling bracket 16, a side core pulling cylinder 17, a core pulling rod 19 and a connecting bracket 18. The side core pulling bracket 16 is installed on the side of the lower mold 2. The side core pulling bracket 16 is equipped with a side core pulling cylinder 17 with its main shaft facing the cavity structure. The main shaft of the side core pulling cylinder 17 is equipped with a connecting bracket 18. The connecting bracket 18 is equipped with a core pulling rod 19 horizontally inserted into the cavity structure.

[0031] In this technical solution, the core-pulling rod 19 is provided to process the hole position of the product to ensure the integrity of the product.

[0032] As a supplement to the present technical solution, the rear core pulling structure 6 includes a rear bracket 27, a rear core pulling cylinder 29 and a rear core pulling slider 28. The rear bracket 27 is installed on the rear side of the lower mold 2. The rear bracket 27 is equipped with a rear core pulling cylinder 29 with a main shaft ahead. The main shaft of the rear core pulling cylinder 29 is equipped with a rear core pulling slider 28 inserted into the rear end of the mold cavity structure.

[0033] As a supplement to the present technical solution, a pin plate structure 10 that moves up and down is installed in the middle of the mold foot structure 3, and a plurality of pin structures 11 inserted into the mold cavity structure are installed on the pin plate structure 10, and a bottom plate 4 is installed on the lower end of the mold foot structure 3.

[0034] As a supplement to the present technical solution, a cooling pipe installation groove 7 is provided in the middle of the upper mold 1, pipeline grooves 30 are provided on both sides of the cooling pipe installation groove 7, and pipeline pressure plates 31 are embedded and installed on both ends of the pipeline groove 30.

[0035] The above is a detailed introduction to the die-casting mold of the LED projection lamp bracket 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 scope. 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 projection lamp bracket, comprising an upper mold (1), a lower mold (2) and a mold foot structure (3), wherein the upper mold (1) and the lower mold (2) are arranged in a stacked arrangement, the lower end surface of the lower mold (2) is provided with a mold foot structure (3), and an upper mold core (8) and a lower mold core (9) are arranged in a stacked arrangement between the upper mold (1) and the lower mold (2), characterized in that: A mold cavity structure is arranged between the upper mold core (8) and the lower mold core (9); an upper insert (12) is embedded and installed on the front of the lower end face of the upper mold core (8); a lower insert (13) embedded in the lower mold core (9) is installed below the upper insert (12); two bracket forming grooves (23) extending backward are arranged between the two sides of the upper insert (12) and the lower insert (13); side core pulling structures (5) inserted into the mold cavity structure are symmetrically installed on both sides of the rear of the lower mold (2); and a rear core pulling structure (6) is installed on the rear side of the lower mold (2).

2. The die-casting mold for an LED projection lamp bracket according to claim 1, characterized in that: A diverter cone structure (15) is installed on the front side of the lower mold core (9), a gate sleeve structure (14) is installed on the upper end of the diverter cone structure (15), two main flow channels (20) flowing to the mold cavity structure are symmetrically installed on the rear sides of the diverter cone structure (15) and the gate sleeve structure (14), a starting flow channel (21) flowing to the front end of the mold cavity structure is arranged at the starting end of the main flow channel (20), and a branch flow channel (22) connected to the bracket molding groove (23) is arranged at the rear end of the main flow channel (20).

3. The die-casting mold for the LED projection lamp bracket according to claim 1, characterized in that: A plurality of side slag bag structures (25) are arranged on both sides of the rear of the cavity structure between the upper mold core (8) and the lower mold core (9), and exhaust block assemblies (24) are installed on the left and right parts between the upper mold (1) and the lower mold (2), and the exhaust block assembly (24) and the side slag bag structure (25) are connected.

4. The die-casting mold for the LED projection lamp bracket according to claim 1, characterized in that: Two middle slag bag structures (26) are installed side by side in the middle of the rear part of the upper end surface of the lower mold core (9).

5. The die-casting mold for the LED projection lamp bracket according to claim 1, characterized in that: The side core pulling structure (5) comprises a side core pulling bracket (16), a side core pulling cylinder (17), a core pulling rod (19) and a connecting bracket (18); the side core pulling bracket (16) is installed on the side of the lower mold (2); the side core pulling bracket (16) is installed with a side core pulling cylinder (17) with its main shaft facing the mold cavity structure; the connecting bracket (18) is installed on the main shaft of the side core pulling cylinder (17); and the connecting bracket (18) is installed with a core pulling rod (19) horizontally inserted into the mold cavity structure.

6. The die-casting mold for the LED projection lamp bracket according to claim 1, characterized in that: The rear core-pulling structure (6) comprises a rear support (27), a rear core-pulling cylinder (29) and a rear core-pulling slider (28); the rear support (27) is installed on the rear side of the lower mold (2); the rear support (27) is installed with a main shaft-advanced rear core-pulling cylinder (29); the main shaft of the rear core-pulling cylinder (29) is installed with a rear core-pulling slider (28) inserted into the rear end of the mold cavity structure.

7. The die-casting mold for the LED projection lamp bracket according to claim 1, characterized in that: An ejector plate structure (10) that moves up and down is installed in the middle of the mold foot structure (3), and a plurality of ejector structures (11) that are inserted into the mold cavity structure are installed on the ejector plate structure (10).

8. The die-casting mold for the LED projection lamp bracket according to claim 1, characterized in that: A cooling pipe installation groove (7) is provided in the middle of the upper mold (1), pipeline grooves (30) are provided on both sides of the cooling pipe installation groove (7), and pipeline pressing plates (31) are embedded and installed on both ends of the pipeline groove (30).

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