A casting upper mold structure for aluminum subframes

Abstract

This utility model relates to a casting upper mold structure for aluminum subframes, including an upper mold base, a central boss, and a frame forming groove. The lower end face of the upper mold base has a downwardly protruding central boss. A frame forming groove is provided on one side of the outer ring of the central boss. A set of front overflow components is provided at both ends of the front portion of the lower end face of the upper mold base, and a set of rear overflow components is provided at both ends of the rear portion of the lower end face of the upper mold base. The front and rear overflow components are connected to the frame forming groove. Two side-by-side forming pins are embedded in the center of the lower end face of the central boss. Several outwardly extending drainage channels are provided around the outer ring of the forming pins, and a first riser is embedded at the end of each drainage channel. This utility model features improved product quality, convenient removal of residual protrusions on the molded product, and convenient product demolding.

Description

Technical Field

[0001] This utility model relates to the field of vehicle frame manufacturing technology, and in particular to a casting upper mold structure for aluminum subframes. Background Technology

[0002] Conventional aluminum subframes are typically produced using die-casting molds. However, this method is very expensive, and it significantly increases overall production costs, especially when producing small quantities of aluminum subframes. To reduce production costs, casting is chosen as a production process. However, conventional casting molds have a problem: they cannot guarantee product quality. To solve this problem, a new casting upper mold structure needs to be designed. Summary of the Invention

[0003] The technical problem to be solved by this utility model is to provide a casting upper mold structure for aluminum subframes, which has the characteristics of improving product quality, facilitating the removal of residual protrusions on the molded product, and facilitating product demolding.

[0004] The technical solution adopted by this utility model to solve its technical problem is as follows: a casting upper mold structure for aluminum subframe is provided, including an upper mold base, a central boss and a frame forming groove. The lower end face of the upper mold base is provided with a downward protruding central boss. A frame forming groove is provided on one side of the outer ring of the central boss. A set of front overflow components is provided at both ends of the front of the lower end face of the upper mold base. A set of rear overflow components is provided at both ends of the rear of the lower end face of the upper mold base. The front overflow components and the rear overflow components are connected to the frame forming groove. Two forming pins arranged side by side are embedded in the middle of the lower end face of the central boss. A number of outwardly extending drainage channels are provided on the outer ring of the forming pins. A first riser is embedded in the end of the drainage channel.

[0005] In this technical solution, a central boss is provided to facilitate the installation of the molding pin. At the same time, the central boss forms a riser installation space. By setting several first risers on the central boss, it is convenient to absorb the scum and impurities generated in the middle during product molding, and also to facilitate the discharge of air in the middle. The front overflow component and the rear overflow component are used to discharge air at the four corners of the product, and also to guide out scum and impurities. By setting the front overflow component, the rear overflow component and the first risers, the product quality can be improved.

[0006] As a supplement to this technical solution, the front overflow assembly includes a first riser and a second riser. The second riser is embedded in the front corner of the lower end face of the upper mold base, and the first riser is embedded in the middle of the lower end face of the upper mold base. The first riser and the second riser are connected by a flow channel.

[0007] In this technical solution, a first riser and a second riser are set up to collect slag and impurities, and a flow channel is set up to facilitate the extraction of molten metal.

[0008] As a supplement to this technical solution, the rear overflow assembly includes a number of first risers, which are arranged along the rear edge of the frame forming groove and are connected to each other through flow channels.

[0009] As a supplement to this technical solution, the first riser includes a mating plate, an insertion bracket, and a riser groove. The mating plate is installed on the upper end face of the upper mold base. An insertion bracket for inserting into the upper mold base is provided on the lower end face of the mating plate. A riser groove is provided at the lower end of the insertion bracket. At least one guide port is provided on the side wall of the riser groove.

[0010] Riser grooves are provided to facilitate the collection of scum and impurities. Connecting plates are provided to facilitate the installation and fixation of the first riser. Insertion brackets are provided to facilitate insertion into the upper mold base. Guide ports are provided to facilitate the introduction or discharge of molten metal.

[0011] As a supplement to this technical solution, the second riser includes an upper docking seat, an extension bracket, and a double groove structure. The upper docking seat is embedded in the upper end face of the upper mold base. An extension bracket extending into the upper mold base is provided on the lower end face of the upper docking seat. A double groove structure is provided on the lower end face of the extension bracket. A notch is provided at both ends of the double groove structure.

[0012] The double-groove structure is designed to collect a large amount of scum and impurities, while the notch is designed to facilitate the introduction or discharge of molten metal.

[0013] As a supplement to this technical solution, a third riser connecting the two rear overflow components is embedded in the middle position of the lower end face of the upper mold base. The third riser includes an embedded body, an arch-shaped groove is provided on the lower end face of the embedded body, and filling grooves are installed side by side on the upper end face of the embedded body. The filling grooves are provided to facilitate the filling of heat insulation cotton, improve the temperature distribution inside the mold, and effectively reduce the heat loss of the riser.

[0014] As a supplement to this technical solution, two straight grooves are arranged side by side at the middle position of the front of the lower end of the upper mold base. The straight grooves are connected to the frame forming groove. The upper surface of the upper mold base is provided with a thermal insulation cotton filling groove corresponding to the straight groove. By providing the thermal insulation cotton filling groove, it is convenient to fill the thermal insulation cotton.

[0015] As a supplement to this technical solution, two central grooves corresponding to the central boss are arranged side by side on the upper end face of the upper mold base.

[0016] As a supplement to this technical solution, the upper end face of the upper mold base is symmetrically provided with two rear grooves corresponding to the rear overflow assembly.

[0017] Beneficial effects: This utility model relates to a casting upper mold structure for aluminum subframes. A central boss is provided to facilitate the installation of molding pins. Simultaneously, the central boss forms a riser installation space. By setting several first risers on the central boss, it is possible to absorb scum and impurities generated in the middle during product molding, and also facilitate the discharge of air from the middle. Front and rear overflow components are used to discharge air from the four corners of the product, and also facilitate the guidance of scum and impurities. The inclusion of the front overflow component, rear overflow component, and first risers improves product quality, and features improved product quality, convenient removal of residual protrusions on the molded product, and convenient product demolding. Attached Figure Description

[0018] Figure 1 This is the front view of this utility model;

[0019] Figure 2 This is a structural view of the present invention;

[0020] Figure 3 This is a top view of the present invention;

[0021] Figure 4 This is a bottom view of the present invention;

[0022] Figure 5 This is a structural view of the second riser described in this utility model;

[0023] Figure 6 This is a structural view of the first riser described in this utility model;

[0024] Figure 7 This is a structural view of the third riser described in this utility model;

[0025] Figure 8 This is a structural view of the filling groove described in this utility model.

[0026] Illustration: 1. Upper mold base, 2. Middle boss, 3. Drainage channel, 4. Forming pin, 5. Frame forming groove, 6. Front overflow assembly, 7. Straight groove, 8. Rear overflow assembly, 9. Third riser, 10. First riser, 11. Vehicle inspection base, 12. Insulation cotton filling groove, 13. Middle groove, 14. Rear groove, 15. Butt plate, 16. Insert bracket, 17. Riser groove, 18. Guide port, 19. Upper butt seat, 20. Extending bracket, 21. Double groove structure, 22. Notch, 23. Embedded body, 24. Arch-shaped groove, 25. Filling groove. Detailed Implementation

[0027] The present invention will be further illustrated below with reference to specific embodiments. It should be understood that these embodiments are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that after reading the teachings of this invention, those skilled in the art can make various alterations or modifications to the present invention, and these equivalent forms also fall within the scope defined by the appended claims.

[0028] The embodiments of this utility model relate to a casting upper mold structure for aluminum subframes, such as... Figure 1 — Figure 4 As shown, the device includes an upper mold base 1, a central boss 2, and a frame forming groove 5. The lower end face of the upper mold base 1 has a downwardly protruding central boss 2. The outer ring of the central boss 2 has a frame forming groove 5. The lower end face of the upper mold base 1 has a set of front overflow components 6 at both ends and a set of rear overflow components 8 at both ends. The front overflow components 6 and rear overflow components 8 are connected to the frame forming groove 5. The lower end face of the central boss 2 has two side-by-side forming pins 4 embedded in the center. The outer ring of the forming pins 4 has several outwardly extending drainage channels 3. The end of the drainage channels 3 is embedded with a first riser 10.

[0029] In this technical solution, a central boss 2 is provided to facilitate the installation of the molding pin 4. At the same time, the central boss 2 forms a riser installation space. By setting several first risers 10 on the central boss 2, it is convenient to absorb the scum and impurities generated in the middle during product molding, and also to facilitate the discharge of air in the middle. The front overflow component 6 and the rear overflow component 8 are used to discharge the air at the four corners of the product, and also to guide out the scum and impurities. By setting the front overflow component 6, the rear overflow component 8 and the first risers 10, the product quality can be improved.

[0030] As a supplement to this technical solution, the front overflow component 6 includes a first riser 10 and a second riser 11. The second riser 11 is embedded in the front corner of the lower end face of the upper mold base 1, and the first riser 10 is embedded in the middle of the lower end face of the upper mold base 1. The first riser 10 and the second riser 11 are connected by a flow channel.

[0031] In this technical solution, a first riser 10 and a second riser 11 are provided to collect slag and impurities, and a flow channel is provided to facilitate the extraction of molten metal.

[0032] As a supplement to this technical solution, the rear overflow assembly 8 includes a first riser 10, and there are several first risers 10 arranged along the rear edge of the frame forming groove 5. The several first risers 10 are connected to each other through flow channels.

[0033] like Figure 6 As shown, as a supplement to this technical solution, the first riser 10 includes a mating plate 15, an insertion bracket 16, and a riser groove 17. The mating plate 15 is installed on the upper end surface of the upper mold base 1. An insertion bracket 16 for inserting into the upper mold base 1 is provided on the lower end surface of the mating plate 15. A riser groove 17 is provided at the lower end of the insertion bracket 16. At least one guide port 18 is provided on the side wall of the riser groove 17.

[0034] The riser groove 17 is provided to facilitate the collection of scum and impurities. The docking plate 15 is provided to facilitate the installation and fixation of the first riser 10. The insertion bracket 16 is provided to facilitate insertion into the upper mold base 1. The guide port 18 is provided to facilitate the introduction or discharge of molten metal.

[0035] like Figure 5 As shown, as a supplement to this technical solution, the second riser 11 includes an upper docking seat 19, an extension bracket 20, and a double groove structure 21. The upper docking seat 19 is embedded in the upper end surface of the upper mold base 1. The extension bracket 20 extending into the upper mold base 1 is provided on the lower end surface of the upper docking seat 19. The double groove structure 21 is provided on the lower end surface of the extension bracket 20. A notch 22 is provided at both ends of the double groove structure 21.

[0036] The double groove structure 21 is used to collect a large amount of scum and impurities, while the notch 22 is used to facilitate the introduction or discharge of molten metal.

[0037] like Figure 7 and Figure 8As shown, as a supplement to this technical solution, a third riser 9 connecting the two rear overflow components 8 is embedded in the middle position of the rear end face of the upper mold base 1. The third riser 9 includes an embedded body 23. An arch-shaped groove 24 is provided on the lower end face of the embedded body 23. Filling grooves 25 are installed side by side on the upper end face of the embedded body 23. The filling grooves 25 are provided to facilitate the filling of heat insulation cotton, improve the temperature distribution inside the mold, and effectively reduce the heat loss of the riser.

[0038] As a supplement to this technical solution, two straight grooves 7 are arranged side by side at the middle position of the front of the lower end of the upper mold base 1. The straight grooves 7 are connected to the frame forming groove 5. The upper end surface of the upper mold base 1 is provided with a thermal insulation cotton filling groove 12 corresponding to the straight grooves 7. By providing the thermal insulation cotton filling groove 12, it is convenient to fill the thermal insulation cotton.

[0039] As a supplement to this technical solution, two central grooves 13 corresponding to the central boss 2 are arranged side by side on the middle of the upper end face of the upper mold base 1.

[0040] As a supplement to this technical solution, the upper end face of the upper mold base 1 is symmetrically provided with two rear grooves 14 corresponding to the rear overflow component 8.

[0041] Example

[0042] During production, the product is formed at the frame forming groove 5. Air on the central boss 2 in the middle part of the frame forming groove 5 is discharged from the forming pin 4 and the first riser 10. At the same time, air at the four corners of the frame forming groove 5 is discharged from the rear overflow assembly 8 and the front overflow assembly 6. The first riser 10, the second riser 11 and the third riser 9 are provided to facilitate the collection of scum and impurities during product forming, thereby improving product quality. The filling groove 25, the insulation cotton filling groove 12, the middle groove 13 and the rear groove 14 are provided to facilitate the filling of insulation cotton, improve the temperature distribution inside the mold and effectively reduce heat loss from the riser.

Claims

1. A casting upper mold structure for aluminum subframes, characterized in that: The upper mold base (1), the middle boss (2) and the frame forming groove (5) are included. The lower end face of the upper mold base (1) is provided with a downward protruding middle boss (2). The outer ring of the middle boss (2) is provided with a frame forming groove (5). The lower end face of the upper mold base (1) is provided with a set of front overflow components (6) at both ends. The lower end face of the upper mold base (1) is provided with a set of rear overflow components (8) at both ends. The front overflow components (6) and the rear overflow components (8) are connected to the frame forming groove (5). The lower end face of the middle boss (2) is embedded with two forming pins (4) arranged in parallel. The outer ring of the forming pins (4) is provided with several outwardly extending drainage channels (3). The end of the drainage channel (3) is embedded with a first riser (10).

2. The casting upper mold structure for aluminum subframe according to claim 1, characterized in that: The front overflow assembly (6) includes a first riser (10) and a second riser (11). The second riser (11) is embedded in the front corner of the lower end face of the upper mold base (1), and the first riser (10) is embedded in the middle of the lower end face of the upper mold base (1). The first riser (10) and the second riser (11) are connected by a flow channel.

3. The casting upper mold structure for aluminum subframe according to claim 1, characterized in that: The rear overflow assembly (8) includes a first riser (10), and there are several first risers (10) arranged along the rear edge of the frame forming groove (5). The several first risers (10) are connected by flow channels.

4. A casting upper mold structure for an aluminum subframe according to claim 2 or 3, characterized in that: The first riser (10) includes a mating plate (15), an insertion bracket (16), and a riser groove (17). The mating plate (15) is installed on the upper end face of the upper mold base (1). An insertion bracket (16) for inserting into the upper mold base (1) is provided on the lower end face of the mating plate (15). A riser groove (17) is provided at the lower end of the insertion bracket (16). At least one guide port (18) is provided on the side wall of the riser groove (17).

5. A casting upper mold structure for an aluminum subframe according to claim 2, characterized in that: The second riser (11) includes an upper docking seat (19), an extension bracket (20), and a double groove structure (21). The upper docking seat (19) is embedded in the upper end face of the upper mold base (1). The lower end face of the upper docking seat (19) is provided with an extension bracket (20) that extends into the upper mold base (1). The lower end face of the extension bracket (20) is provided with a double groove structure (21). Both ends of the double groove structure (21) are provided with a notch (22).

6. The casting upper mold structure for aluminum subframe according to claim 1, characterized in that: The upper mold base (1) has a third riser (9) embedded in the middle of the rear part of the lower end face, which connects the two rear overflow components (8). The third riser (9) includes an embedded body (23). The lower end face of the embedded body (23) is provided with an arch-shaped groove (24). The upper end face of the embedded body (23) is provided with filling grooves (25) installed side by side.

7. The casting upper mold structure for aluminum subframe according to claim 1, characterized in that: Two straight grooves (7) are arranged side by side at the middle position of the front of the lower end of the upper mold base (1). The straight grooves (7) are connected to the frame forming groove (5). The upper end surface of the upper mold base (1) is provided with a thermal insulation cotton filling groove (12) corresponding to the straight grooves (7).

8. The casting upper mold structure for aluminum subframe according to claim 1, characterized in that: The upper mold base (1) has two central grooves (13) arranged side by side on the middle of the upper end face, which correspond to the central boss (2).

9. The casting upper mold structure for aluminum subframe according to claim 1, characterized in that: The upper end face of the upper mold base (1) is symmetrically provided with two rear grooves (14) corresponding to the rear overflow component (8).

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