Die-casting die for LED explosion-proof lamp bracket

Abstract

The utility model relates to a die-casting die of an LED explosion-proof lamp support, which comprises an upper die, a lower die and die feet, the upper die and the lower die are stacked up and down, an upper die core and a lower die core which are stacked up and down are installed between the upper die and the lower die, and a die cavity structure is formed between the upper die core and the lower die core. An upper mold insert is installed in the front portion of the upper mold core in an embedded mode, a lower mold insert embedded into the lower mold core is installed on the lower side of the upper mold insert, a middle upper mold insert is installed in the middle of the upper mold core in an embedded mode, and a middle lower mold insert embedded into the lower mold core is installed on the lower side of the middle upper mold insert. Two support forming cavities which are arranged at intervals are respectively arranged between the upper mold insert and the lower mold insert and between the middle upper mold insert and the middle lower mold insert, a mold foot is arranged on the lower end face of the lower mold, and a bottom plate is arranged at the lower end of the mold foot. The mold has the characteristics of reducing the production cost, improving the bracket quality, being convenient to demold, reducing the shrinkage cavities of products 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 explosion-proof lamp bracket. Background Art

[0002] The LED explosion-proof lamp bracket itself is used as a bracket structure to support the lamp body, and the bracket itself needs to meet the characteristics of lightweight and high structural strength. Conventional bracket structures are usually manufactured directly by die-casting molds. When ordinary die-casting molds are produced, the bracket is directly formed by the mold cavity. In order to improve the quality of the bracket, high-precision machining is required again to ensure the completion of the product. This production method has a high production cost. In order to solve the above technical problems, it is necessary to improve the die-casting mold. 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 explosion-proof lamp bracket, which has the characteristics of reducing production costs, improving bracket quality, facilitating demoulding, reducing shrinkage holes in products, and the like.

[0004] The utility model solves the technical problem by adopting the following technical solution: providing a die-casting mold for an LED explosion-proof lamp bracket, comprising an upper mold, a lower mold and a mold foot, wherein the upper mold and the lower mold are arranged in an up-and-down stacking manner, an upper mold core and a lower mold core are installed between the upper mold and the lower mold, a mold cavity structure is formed between the upper mold core and the lower mold core, an upper mold insert is embedded in the front part of the upper mold core, a lower mold insert embedded in the lower mold core is installed on the lower side of the upper mold insert, and a mold cavity structure is formed between the upper mold core and the lower mold core, wherein the upper mold core is embedded in the front part of the upper mold core, and a lower mold insert embedded in the lower mold core is installed on the lower side of the upper mold insert, and a mold cavity structure is formed between the upper mold core and the lower mold core. A middle upper mold insert is embedded and installed, and a middle lower mold insert embedded in the lower mold core is installed on the lower side of the middle upper mold insert, and two bracket molding cavities arranged at intervals are arranged between the upper mold insert and the lower mold insert and between the middle upper mold insert and the middle lower mold insert, a mold foot is installed on the lower end surface of the lower mold, a bottom plate is installed on the lower end of the mold foot, and an ejector plate structure that moves up and down is installed in the mold foot, and a plurality of ejectors inserted into the mold cavity structure are installed on the ejector plate structure.

[0005] In the present technical solution, upper mold inserts and lower mold inserts as well as middle upper mold inserts and middle lower mold inserts are provided to ensure the molding of the bracket body. At the same time, two bracket molding cavities arranged at intervals are provided to ensure the molding of the four body brackets of the product. The bracket is formed as a whole, which can avoid secondary processing of the bracket, reduce the weight of the bracket body, and reduce the cost of the product. At the same time, the two sets of inserts can facilitate product demoulding and improve production efficiency.

[0006] As a supplement to the present technical solution, a core-pulling cylinder with a main shaft ahead is installed on the rear side of the lower mold, a core-pulling slider inserted between the upper mold and the lower mold is installed on the main shaft of the core-pulling cylinder, and a core-pulling block inserted into the mold cavity structure is installed at the front end of the core-pulling slider.

[0007] In the technical solution, the core-pulling block is used to ensure that the rear part of the bracket can be formed, and the core-pulling cylinder is used to facilitate the removal of the core-pulling block and the product.

[0008] As a supplement to the present technical solution, a forming boss protruding upward is provided at the rear of the mold cavity structure between the upper mold core and the lower mold core, a middle slag bag groove is provided at the upper end of the forming boss, and an opening connected to the mold cavity structure is provided at the front side of the middle slag bag groove.

[0009] By adding a molding boss, the bracket body can be formed more easily. By adding a middle slag bag groove, the air inside the mold cavity can be discharged easily, thus avoiding shrinkage holes in the product.

[0010] As a supplement to the present technical solution, a plurality of side slag grooves are evenly arranged on both sides of the rear part 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 grooves on the same side.

[0011] In this technical solution, a side slag bag groove is provided to facilitate the rapid discharge of air, and an exhaust block assembly is added to facilitate the discharge of air, thereby ensuring that no shrinkage holes will appear in the product.

[0012] As a supplement to the technical solution, a cooling pipe arrangement groove is provided in the middle of the upper end surface of the upper mold, and pipeline channels are provided on both sides of the middle of the cooling pipe arrangement groove.

[0013] As a supplement to the present technical solution, two side brackets are symmetrically installed on the left and right sides of the lower mold, and a cooling pipe collection panel is installed on the protruding end of the side bracket, and a plurality of cooling tubes are installed on the upper end surface of the cooling tube arrangement groove and the lower end surface of the lower mold.

[0014] As a supplement to the technical solution, a diverter cone structure is installed on the front side of the lower mold core, and a gate sleeve structure is installed on the upper side of the diverter cone structure.

[0015] Beneficial effects: The utility model relates to a die-casting mold for an LED explosion-proof lamp bracket, which ensures the molding of the bracket body by arranging an upper mold insert and a lower mold insert as well as a middle upper mold insert and a middle lower mold insert. At the same time, two bracket molding cavities arranged at intervals are arranged to ensure the molding of the four body brackets of the product, so that the bracket is formed as a whole, which can avoid secondary processing of the bracket, reduce the weight of the bracket body, and reduce the cost of the product. At the same time, two groups of inserts can facilitate product demoulding and improve production efficiency. It has the characteristics of reducing production cost, improving bracket quality, facilitating demoulding, and reducing shrinkage holes in the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is the front view of the utility model;

[0017] Figure 2 This utility model Figure 1 Section view in the AA direction;

[0018] Figure 3 It is a top view of the utility model;

[0019] Figure 4 This is a structural view of the lower mold described in the utility model;

[0020] Figure 5 It is a structural view of the lower mold insert described in the utility model.

[0021] Illustration: 1. Upper mold, 2. Lower mold, 3. Mold foot, 4. Bottom plate, 5. Ejector plate structure, 6. Upper mold core, 7. Lower mold core, 8. Gate sleeve structure, 9. Diverter cone structure, 10. Upper mold insert, 11. Lower mold insert, 12. Middle upper mold insert, 13. Middle lower mold insert, 14. Core pulling cylinder, 15. Core pulling slider, 16. Core pulling block, 17. Molding boss, 18. Side slag ladle groove, 19. Exhaust block assembly, 20. Side bracket, 21. Cooling pipe assembly panel, 22. Cooling pipe layout groove, 23. Pipe channel, 24. Middle slag ladle groove. 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 explosion-proof lamp bracket, such as Figure 1As shown in FIG. 5 , the mold comprises an upper mold 1, a lower mold 2 and a mold foot 3, wherein the upper mold 1 and the lower mold 2 are stacked up and down, an upper mold core 6 and a lower mold core 7 are stacked up and down between the upper mold 1 and the lower mold 2, and a mold cavity structure is formed between the upper mold core 6 and the lower mold core 7, an upper mold insert 10 is embedded in the front part of the upper mold core 6, a lower mold insert 11 embedded in the lower mold core 7 is installed on the lower side of the upper mold insert 10, a middle upper mold insert 12 is embedded in the middle part of the upper mold core 6, and the middle A middle lower mold insert 13 embedded in the lower mold core 7 is installed on the lower side of the upper mold insert 12, and two bracket molding cavities arranged at intervals are arranged between the upper mold insert 10 and the lower mold insert 11 and between the middle upper mold insert 12 and the middle lower mold insert 13. A mold foot 3 is installed on the lower end surface of the lower mold 2, and a bottom plate 4 is installed on the lower end of the mold foot 3. An ejector plate structure 5 that moves up and down is installed in the mold foot 3, and a plurality of ejectors inserted into the mold cavity structure are installed on the ejector plate structure 5.

[0024] In the present technical solution, an upper mold insert 10 and a lower mold insert 11 as well as a middle upper mold insert 12 and a middle lower mold insert 13 are provided to ensure the molding of the bracket body. At the same time, two bracket molding cavities arranged at intervals are provided to ensure the molding of the four body brackets of the product. The bracket is formed as a whole, which can avoid secondary processing of the bracket, reduce the weight of the bracket body, and reduce the cost of the product. At the same time, the two sets of inserts can facilitate product demoulding and improve production efficiency.

[0025] As a supplement to the present technical solution, a core-pulling cylinder 14 with a main shaft ahead is installed on the rear side of the lower mold 2, and a core-pulling slider 15 inserted between the upper mold 1 and the lower mold 2 is installed on the main shaft of the core-pulling cylinder 14, and a core-pulling block 16 inserted into the mold cavity structure is installed at the front end of the core-pulling slider 15.

[0026] In the present technical solution, the core-pulling block 16 is used to ensure that the rear part of the bracket can be formed, and the core-pulling cylinder 14 is used to facilitate the removal of the core-pulling block 16 and the product.

[0027] As a supplement to the present technical solution, a forming boss 17 protruding upward is provided at the rear of the mold cavity structure between the upper mold core 6 and the lower mold core 7, a middle slag bag groove 24 is provided at the upper end of the forming boss 17, and an opening connected to the mold cavity structure is provided on the front side of the middle slag bag groove 24.

[0028] The forming boss 17 is added to facilitate the forming of the bracket body, and the middle slag groove 24 is added to facilitate the discharge of air inside the mold cavity to avoid shrinkage holes in the product.

[0029] As a supplement to the present technical solution, a plurality of side slag grooves 18 are evenly arranged on both sides of the rear part of the cavity structure between the upper mold core 6 and the lower mold core 7, and exhaust block assemblies 19 are installed on the left and right parts between the upper mold 1 and the lower mold 2, and the exhaust block assemblies 19 are connected to the side slag grooves 18 on the same side.

[0030] In the technical solution, the side slag ladle groove 18 is provided to facilitate the rapid exhaust of air, and the exhaust block assembly 19 is added to facilitate the exhaust of air, thereby ensuring that no shrinkage holes will appear in the product.

[0031] As a supplement to the technical solution, a cooling pipe arrangement groove 22 is provided in the middle of the upper end surface of the upper mold 1, and pipeline channels 23 are provided on both sides of the middle of the cooling pipe arrangement groove 22.

[0032] As a supplement to the present technical solution, two side brackets 20 are symmetrically installed on the left and right sides of the lower mold 2, and a cooling pipe collection panel 21 is installed on the protruding end of the side bracket 20, and a plurality of cooling tubes are installed on the upper end surface of the cooling tube arrangement groove 22 and the lower end surface of the lower mold 2.

[0033] As a supplement to the present technical solution, a diverter cone structure 9 is installed on the front side of the lower mold core 7 , and a gate sleeve structure 8 is installed on the upper side of the diverter cone structure 9 .

[0034] Example

[0035] When production is carried out, the upper mold core 6 and the lower mold core 7 are first molded together. After completion, the molten aluminum liquid is injected from the gate sleeve structure 8 to the diverter cone structure 9. The diverter cone structure 9 flows the aluminum liquid into the mold cavity structure. After completion, the mold is cooled and the coolant is injected into several cooling inlay tubes. After completion, the mold is cooled as a whole. After completion, the product is formed, and then the mold is opened, and the upper mold core 6 and the lower mold core 7 are separated. After completion, the core pulling block 18 is pulled out by the core pulling cylinder 14, and then the product is ejected by the ejector pin. After completion, the product is taken out. Since the two bracket molding cavities are used to ensure the overall molding of the four brackets of the product, secondary processing of the brackets is avoided, thereby reducing production costs.

[0036] The above is a detailed introduction to the die-casting mold of an LED explosion-proof 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 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 explosion-proof lamp bracket, comprising an upper mold (1), a lower mold (2) and a mold foot (3), wherein the upper mold (1) and the lower mold (2) are arranged in a stacked arrangement, an upper mold core (6) and a lower mold core (7) are installed between the upper mold (1) and the lower mold (2), and a mold cavity structure is formed between the upper mold core (6) and the lower mold core (7), characterized in that: An upper mold insert (10) is embedded in the front of the upper mold core (6), a lower mold insert (11) embedded in the lower mold core (7) is installed on the lower side of the upper mold insert (10), a middle upper mold insert (12) is embedded in the middle of the upper mold core (6), a middle lower mold insert (13) embedded in the lower mold core (7) is installed on the lower side of the middle upper mold insert (12), two support molding cavities arranged at intervals are arranged between the upper mold insert (10) and the lower mold insert (11) and between the middle upper mold insert (12) and the middle lower mold insert (13), a mold foot (3) is installed on the lower end surface of the lower mold (2), a bottom plate (4) is installed on the lower end of the mold foot (3), an ejector plate structure (5) that moves up and down is installed in the mold foot (3), and a plurality of ejectors inserted into the mold cavity structure are installed on the ejector plate structure (5).

2. The die-casting mold for an LED explosion-proof lamp bracket according to claim 1, characterized in that: A core-pulling cylinder (14) with a main shaft ahead is installed on the rear side of the lower mold (2), a core-pulling slider (15) inserted between the upper mold (1) and the lower mold (2) is installed on the main shaft of the core-pulling cylinder (14), and a core-pulling block (16) inserted into the mold cavity structure is installed at the front end of the core-pulling slider (15).

3. The die-casting mold for an LED explosion-proof lamp bracket according to claim 1, characterized in that: A forming boss (17) protruding upward is arranged at the rear of the mold cavity structure between the upper mold core (6) and the lower mold core (7), a middle slag bag groove (24) is arranged at the upper end of the forming boss (17), and an opening communicating with the mold cavity structure is arranged at the front side of the middle slag bag groove (24).

4. The die-casting mold for an LED explosion-proof lamp bracket according to claim 1, characterized in that: A plurality of side slag grooves (18) are evenly arranged on both sides of the rear portion of the cavity structure between the upper mold core (6) and the lower mold core (7), and exhaust block assemblies (19) are installed on the left and right portions between the upper mold (1) and the lower mold (2), and the exhaust block assemblies (19) are connected to the side slag grooves (18) on the same side.

5. The die-casting mold for an LED explosion-proof lamp bracket according to claim 1, characterized in that: A cooling pipe arrangement groove (22) is provided in the middle of the upper end surface of the upper mold (1), and pipeline channels (23) are provided on both sides of the middle of the cooling pipe arrangement groove (22).

6. The die-casting mold for an LED explosion-proof lamp bracket according to claim 5, characterized in that: Two side brackets (20) are symmetrically installed on the left and right sides of the lower mold (2), and a cooling pipe assembly panel (21) is installed on the protruding end of the side bracket (20), and a plurality of cooling pipes are installed on the upper end surface of the cooling pipe arrangement groove (22) and the lower end surface of the lower mold (2).

7. The die-casting mold for an LED explosion-proof lamp bracket according to claim 1, characterized in that: A diverter cone structure (9) is installed on the front side of the lower mold core (7), and a gate sleeve structure (8) is installed on the upper side of the diverter cone structure (9).

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