A die-casting mold for heat-resistant lamp body

Abstract

The utility model relates to a die-casting mold for a heat-resistant lamp body, comprising an upper die seat, a lower die seat and a die foot structure, wherein a lower die seat is installed on the lower end surface of the upper die seat, a die foot structure is installed on the lower end surface of the lower die seat, an upper die core and a lower die core are installed between the upper die seat and the lower die seat, and a mold cavity structure is formed between the upper die core and the lower die core, characterized in that: an arc-shaped forming block with a middle portion protruding upward is arranged at the front and rear of the upper end surface of the lower die core, and a plurality of longitudinal inserts with embedded installations are arranged side by side between the two arc-shaped forming blocks, and the longitudinal inserts include sheet inserts, and the sheet inserts adopt a longitudinal sheet structure, with two pieces in total, arranged in a left-right fit, and the lower side of the sheet inserts is embedded in the arc-shaped forming block and docked with the lower die core. The utility model has the characteristics of improving production efficiency, facilitating product demoulding, improving product quality, and reducing production costs.

Description

Technical Field

[0001] The utility model relates to the technical field of lamp body die-casting molds, in particular to a die-casting mold for a heat-resistant lamp body. Background Art

[0002] The heat-resistant lamp body is mainly used in high-temperature environments. In order to avoid temperature accumulation, the thickness of the heat-resistant lamp body is relatively thin. The conventional production mode is to directly select the lower mold core with a protruding middle part to ensure that the wall thickness of the product can be within a reasonable range. However, this method has a disadvantage. The interior of the product needs to be finely processed to ensure the molding of the internal structure, which will greatly increase the production cost of the product. In order to solve the above problems, 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 a heat-resistant lamp body, which has the characteristics of improving production efficiency, facilitating product demoulding, improving product quality, reducing production costs, etc.

[0004] The technical solution adopted by the utility model to solve its technical problems is: to provide a die-casting mold for a heat-proof shaped lamp body, including an upper mold base, a lower mold base and a mold foot structure, the lower end surface of the upper mold base is installed with a lower mold base, the lower end surface of the lower mold base is installed with a mold foot structure, an upper mold core and a lower mold core stacked are installed between the upper mold base and the lower mold base, and a mold cavity structure is formed between the upper mold core and the lower mold core, characterized in that: the front and rear parts of the upper end surface of the lower mold core are both provided with arc-shaped forming blocks with the middle part protruding upward, and a plurality of embedded and installed longitudinal inserts are arranged side by side between the two arc-shaped forming blocks, and the longitudinal inserts include sheet-like inserts, and the sheet-like inserts adopt a longitudinal sheet-like structure, with two pieces in total, which are arranged in a left-right fit, and the lower side of the sheet-like inserts is embedded in the arc-shaped forming blocks and butted with the lower mold core.

[0005] In this technical solution, an arc forming block is provided to ensure the inner cavity structure of the lamp body, and a longitudinal insert is provided to ensure that the local structure on the inner cavity of the lamp body can be formed, thereby ensuring the structural integrity of the lamp body, avoiding further fine processing of the interior of the lamp body, and improving product production efficiency.

[0006] At the same time, since both sides of the upper end of the sheet-like insert adopt a chamfered structure, the chamfered structure can form longitudinal convex ribs on the inner cavity of the lamp body to ensure the overall structural strength of the lamp body.

[0007] As a supplement to the present technical solution, several groups of hole forming sheet assemblies passing through the upper mold core are installed inside the upper mold core, and a hole forming sheet assembly is required to be arranged at the front, middle and rear positions of the longitudinal insert. The hole forming sheet assemblies are provided to ensure that the holes on the product can be formed, avoid hole processing of the product, and further improve product production efficiency.

[0008] As a supplement to the present technical solution, the hole forming sheet assembly is composed of three hole forming sheets arranged side by side, and the lower ends of the three hole forming sheets correspond to the middle of the left and right sides of the longitudinal insert respectively. By arranging three strip holes side by side, the heat dissipation efficiency of the product is improved.

[0009] As a supplement to the technical solution, a gate structure is installed in the front part of the upper mold base, and a main flow channel is arranged between the gate structure and the mold cavity structure.

[0010] As a supplement to the present technical solution, the rear side of the mold cavity structure is provided with a plurality of exhaust slag bag structures surrounding the rear end of the mold cavity structure, and two exhaust block assemblies are installed side by side on the rear side of the exhaust slag bag structure, and the exhaust slag bag structure and the two exhaust block assemblies are connected by a shallow groove.

[0011] As a supplement to the technical solution, a demoulding plate is installed in the middle of the upper end surface of the upper mold base, and a plurality of demoulding ejectors inserted into the mold cavity structure are installed on the lower end surface of the demoulding plate.

[0012] As a supplement to the present technical solution, the mold foot structure includes a side mold foot, a lower base plate, a top plate and an ejector pin structure. The side mold feet have a total of four parts, all of which are installed on the edge of the lower end surface of the lower mold base. The lower base plate is installed on the lower end of the side mold foot, and a top plate that moves up and down is installed between the upper side of the lower base plate and the side mold feet. The top plate is installed with several ejector pin structures whose upper ends are inserted into the mold cavity structure.

[0013] As a supplement to the technical solution, a plurality of guide columns passing through the top plate are installed between the middle portion of the upper end surface of the lower base plate and the lower end surface of the lower mold base.

[0014] As a supplement to the present technical solution, a left mold frame is installed in the middle of the left side of the lower mold base, a right mold frame is installed in the middle of the right side of the lower mold base, a left core-pulling rod of an inserted mold cavity structure is installed on the left mold frame, and a right core-pulling rod of an inserted mold cavity structure is installed on the right mold frame.

[0015] Beneficial effects: The utility model relates to a die-casting mold for a heat-resistant lamp body, which ensures the inner cavity structure of the lamp body by arranging an arc-shaped forming block, and at the same time ensures that the local structure on the inner cavity of the lamp body can be formed by arranging a longitudinal insert, thereby ensuring the structural integrity of the lamp body, avoiding the need for further fine processing inside the lamp body, and improving product production efficiency; it has the characteristics of improving production efficiency, facilitating product demoulding, improving product quality, and reducing production costs. 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 This is a structural view of the longitudinal insert described in the utility model;

[0019] Figure 4 It is a top view of the lower die base described in the utility model;

[0020] Figure 5 It is a structural view of the hole forming sheet assembly described in the utility model.

[0021] Illustration: 1. Upper mold base, 2. Lower mold base, 3. Mold foot structure, 4. Upper mold core, 5. Lower mold core, 6. Demolding plate, 7. Demolding ejector pin, 8. Gate structure, 9. Cavity structure, 10. Main runner, 11. Side mold foot, 12. Lower base plate, 13. Top plate, 14. Guide column, 15. Ejector pin structure, 16. Demolding plate guide column, 17. Arc forming block, 18. Sheet insert, 19. Longitudinal insert, 20. Exhaust block assembly, 21. Exhaust slag bag structure, 22. Left mold frame, 23. Right mold frame, 24. Left core pulling rod, 25. Right core pulling rod, 26. Hole forming sheet assembly. 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 a heat-resistant lamp body, such as Figure 1—5, comprises an upper die base 1, a lower die base 2 and a die foot structure 3, the lower end surface of the upper die base 1 is installed with the lower die base 2, the lower end surface of the lower die base 2 is installed with the die foot structure 3, an upper die core 4 and a lower die core 5 are installed between the upper die base 1 and the lower die base 2, a cavity structure 9 is formed between the upper die core 4 and the lower die core 5, and it is characterized in that: the front and rear parts of the upper end surface of the lower die core 5 are provided with arc-shaped forming blocks 17 with the middle part protruding upward, and a plurality of embedded longitudinal inserts 19 are arranged side by side between the two arc-shaped forming blocks 17, and the longitudinal inserts 19 include sheet inserts 18, and the sheet inserts 18 adopt a longitudinal sheet structure, and there are two of them, which are arranged in a left-right fit, and the lower side of the sheet insert 18 is embedded in the arc-shaped forming block 17 and docked with the lower die core 5.

[0024] In this technical solution, an arc forming block 17 is provided to ensure the inner cavity structure of the lamp body, and a longitudinal insert 19 is provided to ensure that the local structure on the inner cavity of the lamp body is formed, thereby ensuring the structural integrity of the lamp body, avoiding further fine processing inside the lamp body, and improving product production efficiency.

[0025] At the same time, since both sides of the upper end of the sheet-like insert 18 are chamfered, the chamfered structure can form longitudinal convex ribs on the inner cavity of the lamp body to ensure the overall structural strength of the lamp body.

[0026] As a supplement to the present technical solution, several groups of hole forming sheet assemblies 26 passing through the upper mold core 4 are installed inside the upper mold core 4, and a hole forming sheet assembly 26 is required to be arranged at the front, middle and rear positions of the longitudinal insert 19. The hole forming sheet assembly 26 is provided to ensure that the holes on the product can be formed, avoid hole processing of the product, and further improve the product production efficiency.

[0027] As a supplement to the present technical solution, the hole forming sheet assembly 26 is composed of three hole forming sheets arranged side by side, and the lower ends of the three hole forming sheets correspond to the middle of the left and right sides of the longitudinal insert 19 respectively. By setting three strip holes side by side, the heat dissipation efficiency of the product is improved.

[0028] As a supplement to the technical solution, a gate structure 8 is installed in the front part of the upper mold base 1, and a main flow channel 10 is arranged between the gate structure 8 and the mold cavity structure 9.

[0029] As a supplement to the present technical solution, the rear side of the mold cavity structure 9 is provided with a plurality of exhaust slag bag structures 21 surrounding the rear end of the mold cavity structure 9, and two exhaust block assemblies 20 are installed side by side on the rear side of the exhaust slag bag structure 21, and the exhaust slag bag structure 21 and the two exhaust block assemblies 20 are connected by a shallow groove.

[0030] As a supplement to the technical solution, a demoulding plate 6 is installed in the middle of the upper end surface of the upper mold base 1, and a plurality of demoulding ejectors 7 inserted into the mold cavity structure 9 are installed on the lower end surface of the demoulding plate 6.

[0031] The four corners of the lower end surface of the demoulding plate 6 are all installed with demoulding plate guide pillars 16 whose lower ends pass through the upper mold base 1 and the upper mold core 4.

[0032] As a supplement to the present technical solution, the mold foot structure 3 includes a side mold foot 11, a lower base plate 12, a top plate 13 and an ejector pin structure 15. The side mold foot 11 has four parts, all of which are installed on the edge of the lower end surface of the lower mold base 2. The lower base plate 12 is installed on the lower end of the side mold foot 11, and a top plate 13 that moves up and down is installed on the upper side of the lower base plate 12 and between the side mold feet 11. The top plate 13 is installed with several ejector pin structures 15 whose upper ends are inserted into the mold cavity structure 9.

[0033] As a supplement to the present technical solution, a plurality of guide columns 14 passing through the top plate 13 are installed between the middle portion of the upper end surface of the lower base plate 12 and the lower end surface of the lower die base 2 .

[0034] As a supplement to the present technical solution, a left mold frame 22 is installed in the middle of the left side of the lower mold base 2, and a right mold frame 23 is installed in the middle of the right side of the lower mold base 2. A left core-pulling rod 24 inserted into the mold cavity structure 9 is installed on the left mold frame 22, and a right core-pulling rod 25 inserted into the mold cavity structure 9 is installed on the right mold frame 23.

[0035] When production is carried out, the mold is first closed to obtain the upper mold core 4 and the lower mold core 5, and then the aluminum liquid is injected into the mold from the gate structure 8 through the die-casting machine. After that, the aluminum liquid flows into the mold cavity structure 9 from the main channel 10, and the air in the mold cavity structure 9 is discharged from the exhaust slag bag structure 21 and the exhaust block assembly 20. When the mold cavity structure 9 is filled, it is cooled so that the product can be formed. After completion, the mold is opened. During the mold opening process, the upper mold group 1 and the upper mold core 4 are first moved up, and the demolding plate 6 is in a fixed state. The demolding ejector pin 7 on the demolding plate 6 can push the upper side of the product so that the product can be demolded with the upper mold core 4. After the mold is fully opened, the product is ejected from the mold cavity structure 9 by the ejector plate 13 and the ejector pin structure 15, and the product is taken out to complete one production.

[0036] The above is a detailed introduction to a die-casting mold for a heat-resistant lamp body 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 technical personnel in this field, according to the idea of ​​the present application, there will be changes in the specific implementation method 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 a heat-resistant lamp body, comprising an upper mold base (1), a lower mold base (2) and a mold foot structure (3), wherein the lower mold base (2) is mounted on the lower end surface of the upper mold base (1), and the mold foot structure (3) is mounted on the lower end surface of the lower mold base (2), and an upper mold core (4) and a lower mold core (5) are stacked between the upper mold base (1) and the lower mold base (2), and a mold cavity structure (9) is formed between the upper mold core (4) and the lower mold core (5), characterized in that: The front and rear parts of the upper end face of the lower mold core (5) are both provided with arc-shaped forming blocks (17) with the middle part protruding upwards. A plurality of embedded longitudinal inserts (19) are arranged side by side between the two arc-shaped forming blocks (17). The longitudinal inserts (19) include sheet inserts (18). The sheet inserts (18) adopt a longitudinal sheet structure. There are two of them, which are arranged in a left-right fit. The lower side of the sheet insert (18) is embedded in the arc-shaped forming block (17) and docked with the lower mold core (5).

2. The die-casting mold for heat-resistant lamp body according to claim 1, characterized in that: The upper mold core (4) is internally installed with a plurality of groups of hole forming sheet assemblies (26) passing through the upper mold core (4), and a hole forming sheet assembly (26) is required to be arranged at the front, middle and rear positions of the longitudinal insert (19).

3. The die-casting mold for heat-resistant lamp body according to claim 2, characterized in that: The hole forming sheet assembly (26) is composed of three hole forming sheets arranged side by side, and the lower ends of the three hole forming sheets correspond to the middle of the left side and the right side of the longitudinal insert (19) respectively.

4. The die-casting mold for a heat-resistant lamp body according to claim 1, characterized in that: A gate structure (8) is installed in the front part of the upper mold base (1), and a main flow channel (10) is arranged between the gate structure (8) and the mold cavity structure (9).

5. The die-casting mold for heat-resistant lamp body according to claim 1, characterized in that: The rear side of the mold cavity structure (9) is provided with a plurality of exhaust slag bag structures (21) surrounding the rear end of the mold cavity structure (9), and two exhaust block assemblies (20) are installed side by side on the rear side of the exhaust slag bag structure (21), and the exhaust slag bag structure (21) and the two exhaust block assemblies (20) are connected via a shallow groove.

6. The die-casting mold for heat-resistant lamp body according to claim 1, characterized in that: A demoulding pressing plate (6) is installed in the middle of the upper end surface of the upper mold base (1), and a plurality of demoulding ejectors (7) inserted into the mold cavity structure (9) are installed on the lower end surface of the demoulding pressing plate (6).

7. The die-casting mold for heat-resistant lamp body according to claim 1, characterized in that: The mold foot structure (3) comprises a side mold foot (11), a lower base plate (12), a top plate (13) and an ejector pin structure (15). The side mold foot (11) comprises four pieces, all of which are mounted on the edge of the lower end surface of the lower mold base (2). The lower base plate (12) is mounted on the lower end of the side mold foot (11). A top plate (13) that moves up and down is mounted between the upper side of the lower base plate (12) and the side mold foot (11). A plurality of ejector pin structures (15) whose upper ends are inserted into the mold cavity structure (9) are mounted on the top plate (13).

8. The die-casting mold for heat-resistant lamp body according to claim 7, characterized in that: A plurality of guide columns (14) passing through the top plate (13) are installed between the middle portion of the upper end surface of the lower base plate (12) and the lower end surface of the lower die seat (2).

9. The die-casting mold for a heat-resistant lamp body according to claim 1, characterized in that: A left mold frame (22) is installed in the middle of the left side of the lower mold base (2), and a right mold frame (23) is installed in the middle of the right side of the lower mold base (2). A left core-pulling rod (24) inserted into the mold cavity structure (9) is installed on the left mold frame (22), and a right core-pulling rod (25) inserted into the mold cavity structure (9) is installed on the right mold frame (23).

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