Die-casting mold core structure for automobile engine valve chamber cover

Abstract

The utility model relates to a die-casting mold core structure for an automobile engine valve chamber cover, which comprises a mold core structure, a sprue structure, a sprue protection seat and an exhaust block component, the sprue structure is mounted in the middle of the front side of the mold core structure, the sprue protection seat is mounted at the lower end of the sprue structure in a sleeving manner, and the exhaust block component is mounted on the sprue protection seat. Exhaust block assemblies are installed on the rear side of the mold core structure side by side, the mold core structure comprises an upper mold core structure, a lower mold core structure and a boss structure, the boss structure is arranged in the middle of the upper end face of the lower mold core structure, and a mold cavity structure is arranged between the upper mold core structure and the lower mold core structure; two longitudinal bolt mounting blocks are symmetrically mounted at the two ends above the mold core structure, hole position bolts with the lower ends inserted into the mold cavity structure are mounted at the front ends of the longitudinal bolt mounting blocks, and two exhaust block assemblies communicated with the mold cavity structure are symmetrically mounted on the rear side of the mold core structure. The utility model has the characteristics of simplifying the mould, improving the product quality, reducing the production cost and the like.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of cover, in particular to a kind of die casting mould core structure for automobile engine valve chamber cover. BACKGROUND

[0002] When producing valve chamber cover, it needs to ensure that two independent hole positions are used to facilitate the installation of cover door core, and the conventional operation is to use drilling machine to independently process hole position after completing cover production, which can greatly increase the production cost of product, to solve the above problems, a new mould core structure needs to be designed. SUMMARY

[0003] The utility model provides a kind of die casting mould core structure for automobile engine valve chamber cover, with Simplify mould, improve product quality, reduce production cost and the like.

[0004] The utility model provides a kind of die casting mould core structure for automobile engine valve chamber cover, including mould core structure, sprue structure, sprue protection seat and exhaust block assembly, the front side middle part of mould core structure is installed with sprue structure, the lower end of sprue structure is connected and is installed with sprue protection seat, the rear side of mould core structure is installed with exhaust block assembly side by side, the mould core structure includes upper mould core structure, lower mould core structure and boss structure, the upper end surface middle part of lower mould core structure is provided with boss structure, the upper mould core structure and lower mould core structure are provided with mould cavity structure, the upper mould core structure is installed with two blocks of longitudinal bolt mounting block symmetrically above two ends, the front end of longitudinal bolt mounting block is installed with the hole position bolt of lower end insertion mould cavity structure, the rear side of mould core structure is installed with two blocks of exhaust block assembly and mould cavity structure intercommunication.

[0005] In the technical solution, the sprue structure is arranged to facilitate the injection of aluminum liquid, ensure that the aluminum liquid enters the mold cavity structure, the boss structure is arranged to facilitate the molding of the product inner cavity, ensure that the product structure is complete, and also facilitate the product to be quickly ejected from the mold cavity structure, the longitudinal bolt mounting block is arranged to facilitate the installation of the hole position bolt, so that the hole position bolt can be fixed on the upper mold seat, thereby facilitating the hole position to be molded to be subjected to the lifting force of the upper mold seat and separated from the product, ensuring that the hole position bolt does not vibrate when it is separated, ensuring that it can always be in a vertical state, avoiding the bending of the hole position bolt.

[0006] As a supplement to the technical solution, the gate protection seat includes an upper protection cover plate and a lower protection cover plate, which are arranged in an upper and lower stacking manner, clamping the lower end of the gate structure and abutting against the front side of the lower mold core structure. In the technical solution, the gate protection seat is provided to clamp and fix the gate structure, ensuring that the upper mold structure pulls the gate structure when the mold is opened.

[0007] As a supplement to the technical solution, the lower mold core structure is provided with a hole position plug hole, and the upper mold core structure is provided with an exhaust port plug corresponding to the hole position plug hole. The hole position plug hole is provided to ensure that the hole position is formed, and the exhaust port plug is provided to facilitate the discharge of the middle air, improving the product quality.

[0008] As a supplement to the technical solution, the gate structure includes a shunt cone structure and a gate sleeve structure, the shunt cone structure is sleeved with the gate sleeve structure, and the rear side of the upper end of the shunt cone structure is provided with an aluminum liquid inlet.

[0009] As a supplement to the technical solution, the upper end face of the lower mold core structure is provided with two main flow channels symmetrically arranged in the front part, one end of the main flow channel is communicated with the rear side of the gate structure, and the other end of the main flow channel extends to the end part of the mold cavity structure. The main flow channel is connected to the front side of the mold cavity structure through a plurality of branch flow channels.

[0010] As a supplement to the technical solution, the mold cavity structure is provided with a side slag ladle structure on both sides.

[0011] As a supplement to the technical solution, the rear side of the mold cavity structure is provided with a plurality of rear slag ladle structures.

[0012] As a supplement to the technical solution, the exhaust block assembly includes an upper exhaust block, a lower exhaust block and an exhaust gap, the upper exhaust block and the lower exhaust block are arranged in an upper and lower stacking manner, and a plurality of exhaust gaps are arranged side by side between the upper exhaust block and the lower exhaust block.

[0013] Beneficial effects: the utility model relates to a die casting mould core structure for automobile engine valve chamber cover, through set up sprue structure to be used for the convenience injection aluminum liquid, ensure that aluminum liquid enters into the mould cavity structure, through set up boss structure to be used for the convenience product inner cavity can be shaped, ensure that the product structure is complete, also be convenient for the product to be ejected from the mould cavity structure quickly, through set up vertical bolt mounting block to be used for the convenience hole position bolt's installation, make the hole position bolt can be fixed on the upper mould seat, thereby convenient for the hole position to be shaped can receive the lifting force of upper mould seat and product and take place to break out, ensure that the hole position bolt does not vibrate when breaking away, ensure that can be in vertical state all the time, avoid the hole position bolt bending, have simplified mould, improved product quality, reduced production cost etc. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the structure view of the utility model;

[0015] Figure 2 It is the plan view of the utility model;

[0016] Figure 3 It is the front view of the utility model;

[0017] Figure 4 It is the utility model Figure 2 A-A direction section view in the utility model;

[0018] Figure 5 It is the plan view of the lower mould core structure of the utility model.

[0019] Fig. shows: 1, mould core structure, 2, sprue structure, 3, sprue protection seat, 4, exhaust block assembly, 5, upper mould core structure, 6, lower mould core structure, 7, upper protection cover plate, 8, lower protection cover plate, 9, vertical bolt mounting block, 10, hole position bolt, 11, sprue sleeve structure, 12, shunt cone structure, 13, mould cavity structure, 14, boss structure, 15, main runner, 16, branch runner, 17, side slag ladle structure, 18, rear slag ladle structure, 19, lower exhaust block, 20, upper exhaust block, 21, exhaust gap, 22, hole position bolt mouth, 23, exhaust port bolt. DETAILED DESCRIPTION

[0020] The utility model is further described below in combination with specific embodiments. It should be understood that these embodiments are only used for illustrating the utility model and are not used for limiting the scope of the utility model. In addition, it should be understood that after reading the content taught by the utility model, those skilled in the art can make various changes or modifications to the utility model, and these equivalent forms also fall within the scope defined by the appended claims of the present application.

[0021] The embodiment of the utility model relates to a die casting mould core structure for automobile engine valve chamber cover, likeFigure 1 As shown in figure 5, it comprises a mold core structure 1, a gate structure 2, a gate protection seat 3 and an exhaust block assembly 4, the front side of the middle of the mold core structure 1 is provided with the gate structure 2, the lower end of the gate structure 2 is sleeved with the gate protection seat 3, the rear side of the mold core structure 1 is provided with the exhaust block assembly 4 side by side, the mold core structure 1 comprises an upper mold core structure 5, a lower mold core structure 6 and a boss structure 14, the upper end surface of the middle of the lower mold core structure 6 is provided with the boss structure 14, the upper mold core structure 5 and the lower mold core structure 6 are provided with a mold cavity structure 13, the upper mold core structure 1 is provided with two longitudinal bolt mounting blocks 9 symmetrically at both ends, the front end of the longitudinal bolt mounting block 9 is provided with a hole position bolt 10 inserted into the mold cavity structure 13, the rear side of the mold core structure 1 is provided with two exhaust block assemblies 4 symmetrically and communicated with the mold cavity structure 13.

[0022] In the technical solution, the gate structure 2 is arranged to facilitate the injection of aluminum liquid and ensure that the aluminum liquid enters the mold cavity structure 13, the boss structure 14 is arranged to facilitate the molding of the inner cavity of the product, ensure the integrity of the product structure, and facilitate the quick ejection of the product from the mold cavity structure 13, the longitudinal bolt mounting block 9 is arranged to facilitate the installation of the hole position bolt 10, so that the hole position bolt 10 can be fixed on the upper mold seat, thereby facilitating the hole position to be molded to be separated from the product by the lifting force of the upper mold seat, ensuring that the hole position bolt 10 does not vibrate when it is separated, and ensuring that it can always be in a vertical state to avoid bending of the hole position bolt 10.

[0023] As a supplement to the technical solution, the gate protection seat 3 comprises an upper protection cover plate 7 and a lower protection cover plate 8, which are arranged in an upper and lower stacking manner, clamping the lower end of the gate structure 2 and abutting against the front side of the lower mold core structure 6, the gate protection seat 3 is arranged in the technical solution to clamp and fix the gate structure 2, ensuring that the upper mold structure pulls the gate structure 2 when the mold is opened.

[0024] As a supplement to the technical solution, the lower mold core structure 6 is provided with a hole position bolt hole 22, and the upper mold core structure 5 is provided with an exhaust port bolt 23 corresponding to the hole position bolt hole 22, the hole position bolt hole 22 is arranged to ensure that the hole position is formed, and the exhaust port bolt 23 is arranged to facilitate the exhaust of the middle air and improve the product quality.

[0025] As a supplement to the technical solution, the gate structure 2 comprises a shunt cone structure 12 and a gate sleeve structure 11, the gate sleeve structure 11 is sleeved on the shunt cone structure 12, and the upper end rear side of the shunt cone structure 12 is provided with an aluminum liquid inlet.

[0026] As a supplement to the technical solution, the upper end face of the lower mold core structure 6 is symmetrically provided with two main flow channels 15 in the front part, the main flow channels 15 are communicated with the rear side of the gate structure 2 at one end, and the other end of the main flow channels 15 extends towards the end part position of the mold cavity structure 13, and the main flow channels 15 are connected with the front side of the mold cavity structure 13 through a plurality of branch flow channels 16.

[0027] As a supplement to the technical solution, the mold cavity structure 13 is provided with a side slag ladle structure 17 on both sides.

[0028] As a supplement to the technical solution, the rear side of the mold cavity structure 13 is provided with a plurality of rear slag ladle structures 18.

[0029] As a supplement to the technical solution, the exhaust block assembly 4 includes an upper exhaust block 20, a lower exhaust block 19 and an exhaust gap 21, the upper exhaust block 20 and the lower exhaust block 19 are arranged in a stacked manner, and a plurality of exhaust gaps 21 are arranged side by side between the upper exhaust block 20 and the lower exhaust block 19.

[0030] Embodiment

[0031] When the mold is produced, the upper mold core structure 5 and the lower mold core structure 6 are folded, and then the molten aluminum liquid is injected from the gate structure 2, the aluminum liquid is discharged from the aluminum liquid inlet along the flow cone structure 12 into the main flow channel 15, the aluminum liquid enters the branch flow channel 16 through the main flow channel 15, and then the aluminum liquid enters the mold cavity structure 13, the aluminum liquid exhausts the air in the mold cavity structure 13 from the exhaust block assembly 4, so that the aluminum liquid can fill the mold cavity structure 13, and the product will not appear air shrinkage hole, which ensures the product quality, then waits for the product to cool down, and after completion, the mold is opened to take out the product.

Claims

1. A die casting core structure for a valve cover of an automobile engine, characterized by: It includes mould core structure (1), gate structure (2), gate protection seat (3) and exhaust block assembly (4), the front side middle part of mould core structure (1) is installed with gate structure (2), the lower end of gate structure (2) is sleeved with gate protection seat (3), the rear side of mould core structure (1) is installed with exhaust block assembly (4) side by side, the mould core structure (1) includes upper mould core structure (5), lower mould core structure (6) and boss structure (14), the upper end surface middle part of lower mould core structure (6) is provided with boss structure (14), the upper mould core structure (5) and lower mould core structure (6) are provided with mould cavity structure (13) between, the upper mould core structure (1) is installed with two blocks of longitudinal bolt mounting block (9) symmetrically, the front end of longitudinal bolt mounting block (9) is installed with hole position bolt (10) inserted into mould cavity structure (13), the rear side of mould core structure (1) is installed with two exhaust block assemblies (4) symmetrically and communicated with mould cavity structure (13).

2. A die casting core structure for a cover of a valve chamber of an automobile engine according to claim 1, characterized in that: The lower mould core structure (6) is provided with hole position bolt opening (22), and the upper mould core structure (5) is provided with exhaust port bolt (23) corresponding to the hole position bolt opening (22).

3. A die casting core structure for a cover of a valve chamber of an automobile engine according to claim 1, characterized in that: The gate structure (2) includes shunt cone structure (12) and gate sleeve structure (11), the shunt cone structure (12) is sleeved with gate sleeve structure (11), and the upper end rear side of the shunt cone structure (12) is provided with an aluminum liquid inlet.

4. A die casting core structure for a valve cover of an automobile engine according to claim 1, wherein: The upper end surface front part of the lower mould core structure (6) is provided with two main flow channels (15) symmetrically, one end of the main flow channel (15) is communicated with the rear side of the gate structure (2), and the other end of the main flow channel (15) extends to the end position of the mould cavity structure (13), and the main flow channel (15) is butted to the front side of the mould cavity structure (13) through a plurality of branch flow channels (16).

5. A die casting core structure for a cover of an engine valve chamber of an automobile as set forth in claim 1, characterized in that: The both sides of the mould cavity structure (13) are provided with side slag ladle structure (17).

6. A die casting core structure for a valve cover of an automobile engine according to claim 1, wherein: The rear side of the mould cavity structure (13) is provided with a plurality of rear slag ladle structures (18).

7. A die casting core structure for a cover of an engine valve chamber of an automobile engine according to claim 1, characterized in that: The exhaust block assembly (4) includes upper exhaust block (20), lower exhaust block (19) and exhaust gap (21), the upper exhaust block (20) and the lower exhaust block (19) are arranged in a stacked manner, and a plurality of exhaust gaps (21) are arranged side by side between the upper exhaust block (20) and the lower exhaust block (19).

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