Die-casting die for luggage rack of electric car

Abstract

The die-casting die comprises an upper die base, a lower die base and a die foot structure, the upper die base and the lower die base are assembled in a vertically stacked mode, an upper die core and a lower die core are installed between the upper die base and the lower die base, and the die foot structure is installed on the lower end face of the lower die base. A butt joint face is arranged between the upper die base and the upper die core and between the lower die base and the lower die core, the front portion of the butt joint face is of an arc face structure with the front end bent upwards, a die cavity structure is arranged in the middle of the arc face structure, and a front core pulling structure and a rear core pulling structure are installed on the front portion and the rear portion between the upper die base and the lower die base respectively. The device has the characteristics of ensuring the quality of the luggage rack, improving the production efficiency of products, facilitating the demolding of the products, reducing the mold cost and the like.

Description

Technical Field

[0001] The utility model relates to the technical field of luggage rack die-casting, in particular to a die-casting die for a tram luggage rack. Background Art

[0002] Tram luggage racks usually need to adopt an arc-shaped structure. Conventional die-casting molds usually choose a core-pulling structure to ensure the molding of the arc-shaped part, which will greatly increase the manufacturing cost of the mold. At the same time, since the arc structure is formed by the core-pulling structure, it will affect the quality of the product. At the same time, the time required for demoulding is long, which will greatly affect production efficiency. 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 tram luggage rack, which has the characteristics of ensuring the quality of the luggage rack, improving product production efficiency, facilitating product demoulding, and reducing mold costs.

[0004] The technical solution adopted by the utility model to solve its technical problems is: to provide a die-casting mold for a tram luggage rack, including an upper mold base, a lower mold base and a mold foot structure, the upper mold base and the lower mold base are assembled in an upper and lower stacked manner, an upper mold core and a lower mold core are installed between the two, the mold foot structure is installed on the lower end surface of the lower mold base, a docking surface is provided between the upper mold base and the upper mold core and the lower mold base and the lower mold core, the front part of the docking surface adopts an arc surface structure with the front end bent upward, the middle part of the arc surface structure is provided with a mold cavity structure, and a front core pulling structure and a rear core pulling structure are respectively installed at the front and rear between the upper mold base and the lower mold base.

[0005] In this technical solution, an arc surface structure is set to ensure the molding of the arc structure of the luggage rack, and a front core pulling structure and a rear core pulling structure are set to ensure that the end of the product can be formed, avoiding the molding of the arc part by setting the core pulling structure, thereby improving the quality of the product. The demoulding of this device is very simple, which can greatly improve the product production efficiency.

[0006] As a supplement to the present technical solution, a raised platform protruding upward is provided at the right end of the middle part of the lower mold base and the lower mold core, a diverter cone structure is embedded and installed on the raised platform, and a flow channel groove is provided on the left rear side of the diverter cone structure, which is connected to the right end of the mold cavity structure.

[0007] In this technical solution, the installation of the diverter cone structure is facilitated by providing a raised platform, and the installation of the diverter cone structure facilitates the introduction of aluminum liquid into the mold cavity structure.

[0008] As a supplement to the present technical solution, concave limiting grooves are arranged side by side on both ends of the front portion of the lower mold core, and the concave limiting grooves are used to ensure the closing of the upper mold core and the lower mold core.

[0009] As a supplement to the present technical solution, a row of left slag bag structures is provided on the left side of the mold cavity structure, and a row of right slag bag structures is provided on the right side of the mold cavity structure. The left slag bag structure and the right slag bag structure are provided to ensure the air discharge of the mold cavity structure and improve the product quality.

[0010] As a supplement to the present technical solution, a middle slag ladle groove is provided in the middle of the front end of the upper end face of the lower mold core.

[0011] As a supplement to the present technical solution, the front core pulling structure includes a front core pulling slider, a front core pulling inclined rod, a front core pulling block and a hole forming insert. The front core pulling slider is installed at the front part of the lower mold base for sliding back and forth. The front core pulling slider is installed with a front core pulling inclined rod with the upper end tilted backward. Two front core pulling blocks are installed side by side at the rear end of the front core pulling slider. The front core pulling block is inserted into the lower mold core, and the rear end of the front core pulling block is provided with a hole forming insert for inserting the mold cavity structure.

[0012] As a supplement to this technical solution, a plurality of molding inserts are installed in the mold foot structure, the upper ends of the molding inserts are inserted into the mold cavity structure, and the front sides of the molding inserts are butted against the rear ends of the hole molding strips.

[0013] In this technical solution, hole forming strips are provided to ensure that the internal holes of the product can be formed, and forming inserts are provided to facilitate the forming of the bottom holes of the product. The forming inserts and the hole forming strips are docked to facilitate the connection of the holes.

[0014] As a supplement to the present technical solution, the rear core pulling structure includes a rear core pulling slider, a rear core pulling and a rear core pulling inclined rod. The rear core pulling slider is installed at the rear part of the lower mold core for sliding back and forth. The rear core pulling is installed at the front end of the rear core pulling slider. The rear core pulling inclined rod with the upper end tilted forward is installed in the middle part of the rear core pulling slider.

[0015] Beneficial effects: The utility model relates to a die-casting mold for tram luggage racks, which ensures the molding of the arc-shaped structure of the luggage rack by setting a curved surface structure, and ensures that the ends of the product can be molded by setting a front core-pulling structure and a rear core-pulling structure, thereby avoiding the molding of the arc-shaped parts by setting a core-pulling structure, thereby improving the quality of the product. The demoulding of this device is very simple, and can greatly improve the production efficiency of the product; it has the characteristics of ensuring the quality of the luggage rack, improving the production efficiency of the product, facilitating the demoulding of the product, and reducing the cost of the mold. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0017] Figure 2 It is a top view of the utility model;

[0018] Figure 3 This utility model Figure 2 Cross-sectional view in the AA direction;

[0019] Figure 4 This is a structural view of the curved surface structure described in the utility model;

[0020] Figure 5 It is a structural view of the rear core-pulling structure and the front core-pulling structure described in the utility model.

[0021] Illustration: 1. Upper die base, 2. Lower die base, 3. Die foot structure, 4. Upper die core, 5. Lower die core, 6. Rear core pulling structure, 7. Front core pulling structure, 8. Gate structure, 9. Cavity structure, 10. Diverter cone structure, 11. Raised platform, 12. Inward concave limiting groove, 13. Arc surface structure, 14. Left slag bag structure, 15. Right slag bag structure, 16. Middle slag bag groove, 17. Rear core pulling slider, 18. Rear core pulling, 19. Rear core pulling inclined rod, 20. Molding insert, 21. Front core pulling slider, 22. Front core pulling inclined rod, 23. Front core pulling block, 24. Hole forming insert. DETAILED DESCRIPTION

[0022] The present invention will be further described below with reference to specific embodiments. It should be understood that these embodiments are intended only to illustrate the present invention and are not intended to limit the scope of the present invention. Furthermore, it should be understood that after reading the contents of this invention, those skilled in the art may make various changes or modifications to the present invention, and that such equivalents also fall within the scope of the claims appended hereto.

[0023] The embodiment of the present utility model relates to a die-casting mold for a tram luggage rack, such as Figure 1 As shown in FIG5 , it comprises an upper die base 1, a lower die base 2 and a die foot structure 3. The upper die base 1 and the lower die base 2 are stacked and assembled, and an upper die core 4 and a lower die core 5 are installed between the two. The die foot structure 3 is installed on the lower end surface of the lower die base 2. A docking surface is provided between the upper die base 1 and the upper die core 4 and the lower die base 2 and the lower die core 5. The front part of the docking surface adopts an arc surface structure 13 with the front end bent upward. A mold cavity structure 9 is provided in the middle part of the arc surface structure 13. A front core pulling structure 7 and a rear core pulling structure 6 are respectively installed at the front and rear between the upper die base 1 and the lower die base 2.

[0024] In this technical solution, an arc surface structure 13 is provided to ensure the molding of the arc structure of the luggage rack, and a front core pulling structure 7 and a rear core pulling structure 6 are provided to ensure that the ends of the product are molded, thereby avoiding the molding of the arc part by providing a core pulling structure, thereby improving the quality of the product. The demoulding of this device is very simple, and can greatly improve the production efficiency of the product.

[0025] As a supplement to the present technical solution, a raised platform 11 protruding upward is provided at the right end of the middle part of the lower mold base 2 and the lower mold core 5, and a diverter cone structure 10 is embedded and installed on the raised platform 11. The diverter cone structure 10 is provided with a flow channel groove docking with the right end of the mold cavity structure 9 on the left rear side.

[0026] In the present technical solution, the protruding platform 11 is provided to facilitate the installation of the diverter cone structure 10 , and the installation of the diverter cone structure 10 facilitates the introduction of aluminum liquid into the mold cavity structure 9 .

[0027] As a supplement to the present technical solution, concave limiting grooves 12 are arranged side by side on both ends of the front portion of the lower mold core 5 , and the concave limiting grooves 12 are provided to ensure that the upper mold core 4 and the lower mold core 5 are closed.

[0028] As a supplement to the present technical solution, a row of left slag bag structures 14 is provided on the left side of the mold cavity structure 9, and a row of right slag bag structures 15 is provided on the right side of the mold cavity structure 9. The left slag bag structure 14 and the right slag bag structure 15 are provided to ensure the air discharge of the mold cavity structure 9 and improve the product quality.

[0029] As a supplement to the present technical solution, a middle slag ladle groove 16 is provided in the middle of the front end of the upper end face of the lower mold core 5 .

[0030] As a supplement to the present technical solution, the front core pulling structure 7 includes a front core pulling slider 21, a front core pulling inclined rod 22, a front core pulling block 23 and a hole forming insert 24. The front core pulling slider 21 is slidably installed at the front part of the lower mold base 2. The front core pulling slider 21 is installed with a front core pulling inclined rod 22 with the upper end tilted backward. Two front core pulling blocks 23 are installed side by side at the rear end of the front core pulling slider 21. The front core pulling block 23 is inserted into the lower mold core 5. The rear end of the front core pulling block 23 is provided with a hole forming insert 24 for inserting into the mold cavity structure 9.

[0031] As a supplement to this technical solution, several molding inserts 20 are installed in the mold foot structure 3, the upper ends of the molding inserts 20 are inserted into the mold cavity structure 9, and the front sides of the molding inserts 20 are docked with the rear ends of the hole molding inserts 24.

[0032] In this technical solution, the internal holes of the product are ensured to be formed by setting the hole forming strips 24, and the bottom holes of the product are facilitated to be formed by setting the forming inserts 20. The forming inserts 20 and the hole forming strips 24 are docked to facilitate the connection of the holes.

[0033] As a supplement to the present technical solution, the rear core pulling structure 6 includes a rear core pulling slider 17, a rear core pulling 18 and a rear core pulling inclined rod 19. The rear core pulling slider 17 is installed at the rear part of the lower mold core 5 for sliding back and forth. The rear core pulling 18 is installed at the front end of the rear core pulling slider 17, and the rear core pulling inclined rod 19 with the upper end tilted forward is installed in the middle part of the rear core pulling slider 17.

[0034] The gate structure 8 is sleeved and mounted on the diverter cone structure 10 .

[0035] The above is a detailed introduction to a die-casting mold for a tram luggage rack provided by the present application. Specific examples are used herein 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 those skilled in the art, 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 a tram luggage rack, comprising an upper mold base (1), a lower mold base (2) and a mold foot structure (3), wherein the upper mold base (1) and the lower mold base (2) are stacked and assembled, an upper mold core (4) and a lower mold core (5) are installed between the upper mold base (1) and the lower mold base (2), and the mold foot structure (3) is installed on the lower end surface of the lower mold base (2), characterized in that: A docking surface is provided between the upper die base (1) and the upper die core (4) and the lower die base (2) and the lower die core (5). The front portion of the docking surface adopts an arc surface structure (13) with the front end bent upward. A mold cavity structure (9) is provided in the middle portion of the arc surface structure (13). A front core pulling structure (7) and a rear core pulling structure (6) are respectively installed at the front and rear portions between the upper die base (1) and the lower die base (2).

2. The die-casting mold for a tram luggage rack according to claim 1, characterized in that: A raised platform (11) protruding upward is provided at the right end of the middle of the lower mold base (2) and the lower mold core (5), a diverter cone structure (10) is embedded and installed on the raised platform (11), and a flow channel groove is provided on the left rear side of the diverter cone structure (10) that is connected to the right end of the mold cavity structure (9).

3. The die-casting mold for a tram luggage rack according to claim 1, characterized in that: Inwardly concave limiting grooves (12) are arranged side by side on both ends of the front portion of the lower mold core (5).

4. The die-casting mold for a tram luggage rack according to claim 1, characterized in that: A row of left slag bag structures (14) is provided on the left side of the mold cavity structure (9), and a row of right slag bag structures (15) is provided on the right side of the mold cavity structure (9).

5. The die-casting mold for a tram luggage rack according to claim 1, characterized in that: A middle slag ladle groove (16) is provided in the middle of the front end of the upper end face of the lower mold core (5).

6. The die-casting mold for a tram luggage rack according to claim 1, characterized in that: The front core pulling structure (7) comprises a front core pulling slider (21), a front core pulling inclined rod (22), a front core pulling block (23) and a hole forming insert (24); the front core pulling slider (21) is mounted on the front part of the lower die base (2) for sliding forward and backward; the front core pulling inclined rod (22) with the upper end tilted backward is mounted on the front core pulling slider (21); two front core pulling blocks (23) are mounted side by side at the rear end of the front core pulling slider (21); the front core pulling blocks (23) are inserted into the lower die core (5); and the rear end of the front core pulling block (23) is provided with a hole forming insert (24) for inserting into the die cavity structure (9).

7. The die-casting mold for a tram luggage rack according to claim 6, characterized in that: A plurality of molding inserts (20) are installed in the mold foot structure (3), the upper ends of the molding inserts (20) are inserted into the mold cavity structure (9), and the front sides of the molding inserts (20) are butted against the rear ends of the hole molding inserts (24).

8. The die-casting mold for a tram luggage rack according to claim 1, characterized in that: The rear core-pulling structure (6) includes a rear core-pulling slider (17), a rear core-pulling (18) and a rear core-pulling inclined rod (19). The rear core-pulling slider (17) is installed at the rear part of the lower mold core (5) for sliding back and forth. The rear core-pulling (18) is installed at the front end of the rear core-pulling slider (17). The rear core-pulling inclined rod (19) with its upper end tilted forward is installed in the middle part of the rear core-pulling slider (17).

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