Die-casting die for steering gear shell

Abstract

The utility model relates to a die-casting die for a steering gear shell, which comprises an upper die and a lower die, the upper die and the lower die are stacked up and down, an upper die core structure and a lower die core structure which are stacked up are arranged between the upper die and the lower die, and a strip-shaped die cavity which is transversely arranged is arranged between the middle of the lower die core structure and the middle of the upper die core structure. A left core-pulling structure and a right core-pulling structure are installed at the left end and the right end of the upper die and the left end and the right end of the lower die respectively, core-pulling rods of the left core-pulling structure and the right core-pulling structure are transversely inserted into the middle of the long-strip-shaped die cavity, and the two core-pulling rods abut against each other. The left part and the right part of the front side of the lower mold are respectively provided with a first front loose core and a second front loose core, the rear ends of the first front loose core and the second front loose core are inclined upwards, the right end of the rear side of the lower mold is provided with an inclined loose core structure, the front end of the inclined loose core structure is inclined leftwards, and the middle position of the rear part of the upper mold is provided with a sprue structure. The device has the characteristics of improving the production efficiency of products, improving the quality of the products and the like.

Description

Technical Field

[0001] This utility model relates to the field of die casting mold technology, and in particular to a die casting mold for a steering gear housing. Background Technology

[0002] The steering gear housing is a key component of the steering gear, playing a vital role in the normal operation and safety of the car's steering system. During the steering process, the steering gear housing bears the forces and torques transmitted from components such as the steering tie rod and steering gear. It must have sufficient strength to prevent cracking or deformation under these external forces. At the same time, it must have a certain rigidity to ensure the relative position stability of the internal parts and ensure the accuracy of the steering system.

[0003] To ensure the structural quality of the steering gear housing, a new die-casting mold needs to be designed. Summary of the Invention

[0004] The technical problem to be solved by this utility model is to provide a die-casting mold for steering gear housing, which has the characteristics of improving product production efficiency and product quality.

[0005] The technical solution adopted by this utility model to solve its technical problem is as follows: a die-casting mold for a steering gear housing is provided, including an upper mold and a lower mold. The upper mold and the lower mold are stacked on top of each other, and an upper mold core structure and a lower mold core structure are installed between them. A transversely arranged elongated mold cavity is provided between the lower mold core structure and the upper mold core structure. A left core-pulling structure and a right core-pulling structure are respectively installed on the left and right ends of the upper mold and the lower mold. The core-pulling rods of the left core-pulling structure and the right core-pulling structure are inserted transversely into the middle of the elongated mold cavity, and the two core-pulling rods abut against each other. A first front core-pulling structure and a second front core-pulling structure with the rear end inclined upward are installed on the left and right front sides of the lower mold. A slanted core-pulling structure with the front end inclined to the left is installed at the right rear end of the lower mold. A gate structure is installed at the middle rear position of the upper mold. Two flow channel structures extending to the rear ends of the elongated mold cavity are provided on the lower front side of the gate structure and on the lower mold core structure.

[0006] In this technical solution, a left core-pulling structure and a right core-pulling structure are set to ensure that a hollow channel structure can be formed in the middle of the product. A first front core-pulling structure and a second front core-pulling structure are set to form the holes at both ends of the product. At the same time, a flow channel structure is set to facilitate the injection of molten aluminum, ensuring that the molten aluminum forms the ends of the product first and then the middle, thus ensuring the quality of the product.

[0007] As a supplement to this technical solution, the left core-pulling structure includes a left core-pulling bracket, a left core-pulling cylinder, a left core-pulling slider, and a left core-pulling rod. The left core-pulling bracket is installed on the left side of the lower mold. A left core-pulling cylinder with its main shaft extending horizontally to the right is installed on the left core-pulling bracket. A left core-pulling slider is installed on the main shaft of the left core-pulling cylinder, and a left core-pulling rod is installed on the left core-pulling slider.

[0008] As a supplement to this technical solution, the right core-pulling structure includes a right core-pulling bracket, a right core-pulling cylinder, and a right core-pulling rod. The right core-pulling bracket is installed on the right side of the lower mold, the right core-pulling cylinder is mounted on the right core-pulling bracket, and the right core-pulling rod is mounted on the main shaft of the right core-pulling cylinder.

[0009] As a supplement to this technical solution, the first front core pulling includes a first front core pulling bracket, a first front core pulling slider, a core pulling inclined guide post, and a first front core pulling block. The first front core pulling bracket is installed on the front left side of the lower mold. The first front core pulling bracket is equipped with a first front core pulling slider. The first front core pulling slider is equipped with a core pulling inclined guide post with its upper end tilted backward. The rear end of the first front core pulling slider is equipped with a first front core pulling block. The rear end of the first front core pulling block is connected to the front left end of the elongated mold cavity.

[0010] As a supplement to this technical solution, the second front core pulling includes a second front core pulling bracket, a second front core pulling cylinder, a second front core pulling slider, and a second front core pulling block. The second front core pulling bracket is installed on the front right side of the lower mold. The second front core pulling cylinder with its main shaft facing backward is installed on the second front core pulling bracket. The rear end of the second front core pulling cylinder is tilted upward. The second front core pulling slider is installed on the main shaft of the second front core pulling cylinder. The second front core pulling block is installed on the rear end of the second front core pulling slider.

[0011] As a supplement to this technical solution, an exhaust block assembly is embedded in the middle of the front part of the lower mold, and exhaust flow channels extending to the exhaust block assembly are provided on the front sides of both ends of the elongated mold cavity.

[0012] As a supplement to this technical solution, the inclined core-pulling structure includes an inclined core-pulling bracket, an inclined core-pulling cylinder, an inclined core-pulling slider, and an inclined core puller. The inclined core-pulling bracket is installed on the rear right side of the lower mold. An inclined core-pulling cylinder is installed on the inclined core-pulling bracket. An inclined core-pulling slider is installed on the main shaft of the inclined core-pulling cylinder. An inclined core puller is installed at the front end of the inclined core-pulling slider.

[0013] As a supplement to this technical solution, a central mold core mounting groove is provided in the middle of the upper end face of the lower mold, a right mold core mounting groove is provided on the right side of the central mold core mounting groove, a left mold core mounting groove is provided on the left side of the central mold core mounting groove, and an exhaust component mounting groove is provided on the right side of the central mold core mounting groove.

[0014] As a supplement to this technical solution, the lower mold and the upper mold are provided with traction legs at the front middle, and a lifting ring is installed on the front end of the traction legs.

[0015] As a supplement to this technical solution, a mold foot structure is installed on the lower end surface of the lower mold.

[0016] Beneficial effects: This utility model relates to a die-casting mold for a steering gear housing. By setting a left core-pulling structure and a right core-pulling structure, a hollow channel structure can be formed in the middle of the product. By setting a first front core-pulling structure and a second front core-pulling structure, the holes at both ends of the product can be formed. At the same time, by setting a flow channel structure, the aluminum liquid is conveniently injected, ensuring that the aluminum liquid forms the ends of the product first and then the middle, thus ensuring the quality of the product. It has the characteristics of improving product production efficiency and product quality. Attached Figure Description

[0017] Figure 1 This is a structural view of the present invention;

[0018] Figure 2 This is a bottom view of the lower mold described in this utility model;

[0019] Figure 3 This is a structural view of the first front core-pulling part and the second front core-pulling part described in this utility model;

[0020] Figure 4 This is a structural view of the oblique core-pulling structure described in this utility model;

[0021] Figure 5 This is a structural view of the lower mold described in this utility model. Detailed Implementation

[0022] 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.

[0023] The present invention relates to a die-casting mold for a steering gear housing, such as... Figure 1As shown in Figure 5, the system includes an upper mold 1 and a lower mold 2, which are stacked vertically. An upper mold core structure and a lower mold core structure 10 are installed between them, also stacked. A horizontally arranged elongated mold cavity 16 is provided between the lower mold core structure 10 and the upper mold core structure. A left core-pulling structure 6 and a right core-pulling structure 7 are respectively installed on the left and right ends of the upper mold 1 and the lower mold 2. The core-pulling rods of the left core-pulling structure 6 and the right core-pulling structure 7 are horizontally inserted into the elongated mold cavity 16. In the middle of the mold cavity 16, two core-pulling rods are abutting each other. The lower mold 2 has a first front core-pulling 4 and a second front core-pulling 5 with the rear end tilted upwards on the left and right sides. The lower mold 2 has a slanted core-pulling structure 9 with the front end tilted to the left at the rear right end. The upper mold 1 has a gate structure 11 at the middle of the rear part. The lower front end of the gate structure 11 and the lower mold core structure 10 have two runner structures 29 extending to the rear ends of the long strip mold cavity 16.

[0024] In this technical solution, a left core-pulling structure 6 and a right core-pulling structure 7 are set to ensure that a hollow channel structure can be formed in the middle of the product. A first front core-pulling structure 4 and a second front core-pulling structure 5 are set to form the holes at both ends of the product. At the same time, a flow channel structure 29 is set to facilitate the injection of molten aluminum, ensuring that the molten aluminum forms the ends of the product first and then the middle, thus ensuring the quality of the product.

[0025] As a supplement to this technical solution, the left core-pulling structure 6 includes a left core-pulling bracket 12, a left core-pulling cylinder 13, a left core-pulling slider 14, and a left core-pulling rod 15. The left core-pulling bracket 12 is installed on the left side of the lower mold 2. The left core-pulling cylinder 13 with its main shaft extending horizontally to the right is installed on the left core-pulling bracket 12. The left core-pulling slider 14 is installed on the main shaft of the left core-pulling cylinder 13. The left core-pulling rod 15 is installed on the left core-pulling slider 14.

[0026] As a supplement to this technical solution, the right core-pulling structure 7 includes a right core-pulling bracket 18, a right core-pulling cylinder 19, and a right core-pulling rod 20. The right core-pulling bracket 18 is installed on the right side of the lower mold 2, the right core-pulling cylinder 19 is installed on the right core-pulling bracket 18, and the right core-pulling rod 20 is installed on the main shaft of the right core-pulling cylinder 19.

[0027] As a supplement to this technical solution, the first front core-pulling part 4 includes a first front core-pulling bracket 21, a first front core-pulling slider 22, a core-pulling inclined guide post 23, and a first front core-pulling block 24. The first front core-pulling bracket 21 is installed on the front left side of the lower mold 2. The first front core-pulling bracket 21 is equipped with the first front core-pulling slider 22. The first front core-pulling slider 22 is equipped with a core-pulling inclined guide post 23 with its upper end tilted backward. The first front core-pulling block 24 is installed at the rear end of the first front core-pulling slider 22. The rear end of the first front core-pulling block 24 is connected to the front left end of the elongated mold cavity 16.

[0028] As a supplement to this technical solution, the second front core-pulling 5 includes a second front core-pulling bracket 25, a second front core-pulling cylinder 26, a second front core-pulling slider 27, and a second front core-pulling block 28. The second front core-pulling bracket 25 is installed on the front right side of the lower mold 2. The second front core-pulling cylinder 26 with its main shaft facing backward is installed on the second front core-pulling bracket 25. The rear end of the second front core-pulling cylinder 26 is inclined upward. The second front core-pulling slider 27 is installed on the main shaft of the second front core-pulling cylinder 26. The second front core-pulling block 28 is installed on the rear end of the second front core-pulling slider 27.

[0029] As a supplement to this technical solution, an exhaust block assembly 17 is embedded and installed at the front middle position of the lower mold 2, and exhaust flow channel grooves 30 extending to the exhaust block assembly 17 are provided at both ends of the elongated mold cavity 16.

[0030] As a supplement to this technical solution, the inclined core-pulling structure 9 includes an inclined core-pulling bracket 32, an inclined core-pulling cylinder 31, an inclined core-pulling slider 33, and an inclined core-pulling 34. The inclined core-pulling bracket 32 ​​is installed on the rear right side of the lower mold 2. The inclined core-pulling cylinder 31 is installed on the inclined core-pulling bracket 32. The inclined core-pulling slider 33 is installed on the main shaft of the inclined core-pulling cylinder 31. The inclined core-pulling 34 is installed at the front end of the inclined core-pulling slider 33.

[0031] As a supplement to this technical solution, a central mold core mounting groove 35 is provided in the middle of the upper end face of the lower mold 2, a right mold core mounting groove 36 is provided on the right side of the central mold core mounting groove 35, a left mold core mounting groove 37 is provided on the left side of the central mold core mounting groove 35, and an exhaust component mounting groove 38 is provided on the right side of the central mold core mounting groove 35.

[0032] As a supplement to this technical solution, the lower mold 2 and the upper mold 1 are provided with traction support legs 8 at the front middle, and a lifting ring is installed on the front end of the traction support legs 8.

[0033] As a supplement to this technical solution, a mold foot structure 3 is installed on the lower end surface of the lower mold 2.

[0034] Example

[0035] After the product is molded, the molten aluminum flows from the gate structure 11 into the elongated mold cavity 16. The molten aluminum flows through two runner structures (29) to both ends of the product first, so that the two ends are formed first. Then, the straight tube in the middle of the product is formed along the elongated mold cavity 16. After completion, the excess air is discharged from the exhaust runner groove 30 and the exhaust block assembly 17. Then the mold is cooled. After completion, the mold is opened, and then the left core pulling structure 6, the right core pulling structure 7, the first front core pulling 4, the second front core pulling 5 and the oblique core pulling structure 9 are activated to demold the product. After completion, the ejector plate is activated to eject the product.

Claims

1. A die casting mould for a steering gear housing, characterized in that: The utility model relates to a long strip type mould cavity core structure and a long strip type mould cavity core structure (10) are arranged in the middle of the upper die (1) and the lower die (2), and the long strip type mould cavity (16) is arranged in the middle of the long strip type mould cavity core structure and the long strip type mould cavity core structure, and the left end and the right end of the upper die (1) and the lower die (2) are respectively provided with the left core pulling structure (6) and the right core pulling structure (7), the core pulling rod of the left core pulling structure (6) and the right core pulling structure (7) is inserted into the middle of the long strip type mould cavity (16), and the two core pulling rods are in the top, the front left part and the right part of the front side of the lower die (2) are respectively provided with the first front core pulling (4) and the second front core pulling (5) which are inclined to the rear end upwards, the right end of the rear side of the lower die (2) is provided with the inclined core pulling structure (9) which is inclined to the left front end, the rear middle position of the upper die (1) is provided with the gate structure (11), and the lower end of the front side of the gate structure (11) and the upper core pulling structure (10) are provided with two flow channel structures (29) which extend to the rear side of both ends of the long strip type mould cavity (16).

2. A die casting mould for steering gear housings according to claim 1, characterized in that: The left core pulling structure (6) includes the left core pulling support (12), the left core pulling oil cylinder (13), the left core pulling slider (14) and the left core pulling rod (15), the left core pulling support (12) is installed on the left side of the lower die (2), the left core pulling oil cylinder (13) is installed on the left core pulling support (12) and horizontally stretches out to the right, the left core pulling slider (14) is installed on the main shaft of the left core pulling oil cylinder (13), and the left core pulling rod (15) is installed on the left core pulling slider (14).

3. A die casting mould for steering gear housings according to claim 1, characterized in that: The right core pulling structure (7) includes the right core pulling support (18), the right core pulling oil cylinder (19) and the right core pulling rod (20), the right core pulling support (18) is installed on the right side of the lower die (2), the right core pulling oil cylinder (19) is installed on the right core pulling support (18), and the right core pulling rod (20) is installed on the main shaft of the right core pulling oil cylinder (19).

4. A die casting mould for steering gear housings according to claim 1, characterized in that: The first front core pulling (4) includes the first front core pulling support (21), the first front core pulling slider (22), the core pulling inclined guide column (23) and the first front core pulling block (24), the first front core pulling support (21) is installed on the front side left part of the lower die (2), the first front core pulling slider (22) is installed on the first front core pulling support (21), the core pulling inclined guide column (23) which is inclined to the rear end is installed on the first front core pulling slider (22), the first front core pulling block (24) is installed on the rear end of the first front core pulling slider (22), and the rear end of the first front core pulling block (24) is butt jointed with the front side left end of the long strip type mould cavity (16).

5. A die casting mold for a steering gear housing according to claim 1, characterized in that: The second front core-pulling (5) comprises a second front core-pulling support (25), a second front core-pulling oil cylinder (26), a second front core-pulling slider (27) and a second front core-pulling block (28), the second front core-pulling support (25) is installed at the front right part of the lower die (2), the second front core-pulling support (25) is provided with the second front core-pulling oil cylinder (26) with the main shaft facing backward, the rear end of the second front core-pulling oil cylinder (26) is upwardly inclined, the second front core-pulling oil cylinder (26) is provided with the second front core-pulling slider (27) on the main shaft, and the rear end of the second front core-pulling slider (27) is provided with the second front core-pulling block (28).

6. A die casting mold for a steering gear housing according to claim 1, characterized in that: The exhaust block assembly (17) is embeddedly installed at the front middle part of the lower die (2), and the long strip type cavity (16) is provided with the exhaust flow channel groove (30) extending to the exhaust block assembly (17) at the front side of both ends.

7. A die casting mold for a steering gear housing according to claim 1, characterized in that: The inclined core-pulling structure (9) comprises an inclined core-pulling support (32), an inclined core-pulling oil cylinder (31), an inclined core-pulling slider (33) and an inclined core-pulling block (34), the inclined core-pulling support (32) is installed at the right rear side of the lower die (2), the inclined core-pulling support (32) is provided with the inclined core-pulling oil cylinder (31), the main shaft of the inclined core-pulling oil cylinder (31) is provided with the inclined core-pulling slider (33), and the front end of the inclined core-pulling slider (33) is provided with the inclined core-pulling block (34).

8. A die casting mold for a steering gear housing according to claim 1, characterized in that: The middle part of the upper end surface of the lower die (2) is provided with the middle die core installation groove (35), the right side of the middle die core installation groove (35) is provided with the right die core installation groove (36), the left side of the middle die core installation groove (35) is provided with the left die core installation groove (37), and the right side of the middle die core installation groove (35) is provided with the exhaust assembly installation groove (38).

9. A die casting mold for a steering gear housing according to claim 1, characterized in that: The front middle part of the lower die (2) and the upper die (1) is provided with the traction leg (8), and the front end of the traction leg (8) is provided with the lifting ring.

10. A die casting mold for a steering gear housing according to claim 1, characterized in that: The lower end surface of the lower die (2) is provided with the die leg structure (3).

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