Die-casting die for cylinder body seat

By designing gate structure and main channel in the cylinder base die-casting mold, and using detachable middle inserts and pin hole core extraction structure, the high cost and core extraction caused by the complex structure of the cylinder base chamber is solved. Interference has achieved cost reduction and quality improvement.

CN222175900UActive Publication Date: 2024-12-17NINGBO JIEDA MOLDING & MASCH CO LTD
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Patent Information

Application Number
CN202420437492.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-07
Publication Date
2024-12-17
Estimated Expiration
2034-03-07

AI Technical Summary

Technical Problem

The chamber structure of the cylinder base is complex, resulting in high production costs of molds and a large core pulling structure, which is prone to interference and affecting product quality.

Method used

Design a die-casting mold including upper mold, lower mold and mold cavity structure, accelerate liquid aluminum forming through gate structure and main channel, simplify the structure with detachable middle inserts, and ensure rapid molding of hole positions through pin hole core pulling structure , reduce the number of core extraction.

Benefits of technology

It reduces mold cost, improves production efficiency and product quality, simplifies the mold structure, ensures the accuracy of chamber molding and reduces the core pulling structure.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a die-casting die for a cylinder block seat, which comprises an upper die, a lower die and a die cavity structure, the upper die and the lower die are assembled in a vertically stacked manner, an upper die core and a lower die core which are vertically stacked are mounted between the upper die and the lower die, and the die cavity structure is arranged between the upper die core and the lower die core. A left core-pulling structure inserted into the mold cavity structure is installed in the left portion of the upper mold and the left portion of the lower mold, a right core-pulling structure inserted into the mold cavity structure is installed in the right portion of the upper mold and the right portion of the lower mold, a rear core-pulling structure inserted into the mold cavity structure is installed on the rear portion of the upper mold and the rear portion of the lower mold, and a sprue structure is installed on the front portion of the upper mold in an embedded mode. A main runner is arranged between the sprue structure and the mold cavity structure, and a plurality of branch runners communicated with the mold cavity structure are arranged on the main runner. The utility model has the characteristics of simplifying the die structure, reducing the die cost, ensuring the product quality and the like.
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Description

Technical Field

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

[0002] During the production process of the cylinder seat, it is usually necessary to set up a chamber structure inside the cylinder seat for liquid flow. The conventional chamber structure is too complicated and requires multiple core-pulling structures to assist in molding during production, which greatly increases the production cost of the mold. At the same time, too many core-pulling structures will cause the mold structure to be too bloated. Multiple core-pulling structures will cause core pulling interference during mold operation. In order to solve the above technical problems, it is necessary to design a new cylinder seat die-casting mold. Summary of the invention

[0003] The technical problem to be solved by the utility model is to provide a die-casting mold for a cylinder seat, which has the characteristics of simplifying the mold structure, reducing the mold cost, ensuring product quality, etc.

[0004] The utility model solves the technical problem by adopting the following technical scheme: providing a die-casting mold for a cylinder seat, comprising an upper mold, a lower mold and a cavity structure, wherein the upper mold and the lower mold are assembled in an up-and-down stacking manner, an upper mold core and a lower mold core stacked in an up-and-down manner are installed between the upper mold and the lower mold, a cavity structure is arranged between the upper mold core and the lower mold core, a left core-pulling structure of an inserted cavity structure is installed in the left part of the upper mold and the lower mold, a right core-pulling structure of an inserted cavity structure is installed in the right part of the upper mold and the lower mold, a rear core-pulling structure of an inserted cavity structure is installed in the rear part of the upper mold and the lower mold, a gate structure is embedded and installed at the front part of the upper mold, a main flow channel is arranged between the gate structure and the cavity structure, a plurality of branch flow channels connected with the cavity structure are arranged on the main flow channel, a detachable middle insert is installed on the cavity structure, and the upper end of the detachable middle insert is butted with the upper mold core.

[0005] In the technical solution, a gate structure is provided to introduce molten aluminum into the mold cavity structure. At the same time, a main channel is provided to facilitate the molten aluminum to enter the mold cavity structure from the front side of the mold cavity structure, thereby accelerating the molding speed of the product in the mold cavity structure and improving production efficiency. At the same time, a removable middle insert is provided to facilitate the removable middle insert to ensure the molding of the cavity. At the same time, when the mold is opened, the removable middle insert and the product can be easily removed, thereby ensuring the quality of the product, reducing the number of core pulling structures, and reducing the manufacturing cost of the mold.

[0006] As a supplement to the present technical solution, a pin hole core pulling structure with its front end inclined downward is installed at the rear part of the upper end surface of the upper mold, and the pin hole core pulling structure includes an inclined core pulling cylinder, a first core pulling spindle and a connecting block. The inclined core pulling cylinder is installed on the upper mold, and the first core pulling spindle is installed on the spindle of the inclined core pulling cylinder. The first core pulling spindle extends toward the mold cavity structure, and a connecting block is installed on the end of the extended end of the first core pulling spindle. A cushion block is installed on the front side of the connecting block, and a limit block is arranged on the front side of the cushion block for docking with the upper mold, and a hole pin passing through the cushion block and the limit block is installed on the connecting block.

[0007] In this technical solution, a pin hole core pulling structure is provided to ensure that the hole position of the product can be quickly formed. A connecting block is provided to facilitate the docking of the first core pulling spindle and the hole position pin. A limit block is installed to limit the position of the cushion block. At the same time, a positioning groove is provided on the lower side of the limit block to stabilize the position of the hole position pin. A cushion block is provided to avoid direct contact between the connecting block and the limit block, thereby increasing the service life of the connecting block.

[0008] As a supplement to the present technical solution, the left core pulling structure includes a left cylinder bracket, a left cylinder and a left core pulling rod. The left cylinder bracket is installed on the left side of the lower mold. The left cylinder with a main shaft extending to the right is installed on the left cylinder bracket. The main shaft of the left cylinder is installed with a left core pulling rod inserted into the mold cavity structure.

[0009] As a supplement to the present technical solution, the right end of the right core pulling structure is inclined forward, and the right core pulling structure includes a right cylinder bracket, a right cylinder, a second core pulling spindle, a right core pulling slider and a core pulling block. The right rear part of the lower mold is equipped with a right cylinder bracket, the right cylinder is installed on the right cylinder bracket, the second core pulling spindle with the left end inclined forward is installed on the right cylinder, the right part of the lower mold is equipped with a right core pulling slider, and the left end of the right core pulling slider is equipped with a core pulling block.

[0010] As a supplement to the present technical solution, the rear core pulling structure includes a rear cylinder bracket, a rear cylinder, a rear core pulling shaft and a rear core pulling block. The rear side of the lower mold is equipped with a rear cylinder bracket, a rear cylinder with a spindle ahead is installed on the rear cylinder bracket, a rear core pulling block is installed at the rear of the upper end surface of the lower mold, and a rear core pulling shaft is installed between the rear core pulling block and the rear cylinder.

[0011] As a supplement to the present technical solution, two mold foot structures are symmetrically installed on the left and right parts of the lower end surface of the lower mold, two symmetrically arranged stoppers are installed on the front and rear parts of the lower end surface of the lower mold, a top plate structure is installed between the stoppers and the two mold foot structures, and a plurality of ejector rods with upper ends inserted into the mold cavity structure are installed on the top plate structure.

[0012] Beneficial effects: The utility model relates to a die-casting mold for a cylinder seat, which is used to introduce molten aluminum into the mold cavity structure by arranging a gate structure, and at the same time, by arranging a main flow channel, it is convenient for molten aluminum to enter the mold cavity structure from the front side of the mold cavity structure, thereby accelerating the molding speed of the product in the mold cavity structure and improving production efficiency. At the same time, a removable middle insert is arranged to facilitate the removable middle insert to ensure the molding of the cavity. At the same time, when the mold is opened, the removable middle insert and the product can be easily removed, thereby ensuring the quality of the product, reducing the number of core pulling structures, and reducing the manufacturing cost of the mold. It has the characteristics of simplifying the mold structure, reducing the mold cost, and ensuring product quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is the front view of the utility model;

[0014] Figure 2 It is a top view of the utility model;

[0015] Figure 3 It is a top view of the utility model after removing the upper die base and the upper die core;

[0016] Figure 4 This utility model Figure 3 Enlarged view of point A in the middle.

[0017] Illustration: 1. Upper mold, 2. Lower mold, 3. Mold foot, 4. Stopper, 5. Ejector plate structure, 6. Ejector rod, 7. Left core pulling structure, 8. Right core pulling structure, 9. Gate structure, 10. Rear core pulling structure, 11. Pin hole core pulling structure, 12. Main runner, 13. Cavity structure, 14. Removable middle insert, 15. Left cylinder bracket, 16. Left cylinder, 17. Left core pulling rod, 1 8. Lower mold core, 19. Right cylinder bracket, 20. Right cylinder, 21. Right core-pulling slider, 22. Second core-pulling spindle, 23. Core-pulling block, 24. Rear cylinder bracket, 25. Rear cylinder, 26. Rear core-pulling shaft, 27. Rear core-pulling block, 28. Oblique core-pulling cylinder, 29. First core-pulling spindle, 30. Connecting block, 31. Cushion block, 32. Limit block, 33. Hole pin. DETAILED DESCRIPTION

[0018] 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.

[0019] The embodiment of the utility model relates to a die-casting mold for a cylinder seat, such as Figure 1 As shown in FIG. 4 , the mold comprises an upper mold 1, a lower mold 2 and a mold cavity structure 13, wherein the upper mold 1 and the lower mold 2 are assembled in a stacked manner, an upper mold core and a lower mold core 18 stacked in a stack are installed between the upper mold 1 and the lower mold 2, and a mold cavity structure 13 is arranged between the upper mold core and the lower mold core, a left core-pulling structure 7 inserted into the mold cavity structure 13 is installed in the left part of the upper mold 1 and the lower mold 2, and a right core-pulling structure 8 inserted into the mold cavity structure 13 is installed in the right part of the upper mold 1 and the lower mold 2, A rear core pulling structure 10 inserted into a cavity structure 13 is installed at the rear of the upper mold 1 and the lower mold 2, a gate structure 9 is embedded and installed at the front of the upper mold 1, a main channel 12 is arranged between the gate structure 9 and the cavity structure 13, a plurality of branch channels connected to the cavity structure 13 are arranged on the main channel 12, a removable middle insert 14 is installed on the cavity structure 13, and the upper end of the removable middle insert 14 is docked with the upper mold core.

[0020] In the present technical solution, a gate structure 9 is provided to introduce aluminum liquid into the mold cavity structure 13. At the same time, a main channel 12 is provided to facilitate aluminum liquid to enter the mold cavity structure 13 from the front side of the mold cavity structure 13, thereby accelerating the molding speed of the product in the mold cavity structure 13 and improving production efficiency. At the same time, a removable middle insert 14 is provided to facilitate the removable middle insert 14 to ensure the molding of the cavity. At the same time, when the mold is opened, the removable middle insert 14 and the product can be easily removed, thereby ensuring the quality of the product, reducing the number of core pulling structures, and reducing the manufacturing cost of the mold.

[0021] As a supplement to the present technical solution, a pin hole core pulling structure 11 with its front end tilted downward is installed at the rear part of the upper end surface of the upper mold 1, and the pin hole core pulling structure 11 includes an inclined core pulling cylinder 28, a first core pulling spindle 29 and a connecting block 30. The inclined core pulling cylinder 28 is installed on the upper mold 1, and the first core pulling spindle 29 is installed on the spindle of the inclined core pulling cylinder 28. The first core pulling spindle 29 extends toward the mold cavity structure 13, and a connecting block 30 is installed on the end of the extended end of the first core pulling spindle 29. A cushion block 31 is installed on the front side of the connecting block 30, and a limit block 32 is provided on the front side of the cushion block 31 for docking with the upper mold 1, and a hole pin 33 passing through the cushion block 31 and the limit block 32 is installed on the connecting block 30.

[0022] In the present technical solution, a pin hole core pulling structure 11 is provided to ensure that the hole of the product can be quickly formed. A connecting block 30 is provided to facilitate the docking of the first core pulling spindle 29 and the hole pin 33. A limit block 32 is installed to limit the position of the cushion block 31. At the same time, a positioning groove is provided on the lower side of the limit block 32 to stabilize the position of the hole pin 33. The cushion block 31 is provided to avoid direct contact between the connecting block 30 and the limit block 32, thereby improving the service life of the connecting block 30.

[0023] As a supplement to the present technical solution, the left core pulling structure 7 includes a left cylinder bracket 15, a left cylinder 16 and a left core pulling rod 17. The left cylinder bracket 15 is installed on the left side of the lower mold 2. The left cylinder bracket 15 is installed with a left cylinder 16 with a main shaft extending to the right. The main shaft of the left cylinder 16 is installed with a left core pulling rod 17 inserted into the mold cavity structure 13.

[0024] As a supplement to the present technical solution, the right end of the right core pulling structure 8 is inclined forward, and the right core pulling structure 8 includes a right cylinder bracket 19, a right cylinder 20, a second core pulling spindle 22, a right core pulling slider 21 and a core pulling block 23. The right rear part of the lower mold 2 is equipped with a right cylinder bracket 19, the right cylinder 20 is installed on the right cylinder bracket 19, and the second core pulling spindle 22 with its left end inclined forward is installed on the right cylinder 20. The right part of the lower mold 2 is equipped with a right core pulling slider 21, and the left end of the right core pulling slider 21 is equipped with a core pulling block 23.

[0025] As a supplement to the present technical solution, the rear core pulling structure 10 includes a rear cylinder bracket 24, a rear cylinder 25, a rear core pulling shaft 26 and a rear core pulling block 27. The rear side of the lower mold 2 is equipped with a rear cylinder bracket 24, and the rear cylinder 25 with the main shaft advanced is installed on the rear cylinder bracket 24. The rear end surface of the lower mold 2 is equipped with a rear core pulling block 27, and the rear core pulling shaft 26 is installed between the rear core pulling block 27 and the rear cylinder 25.

[0026] As a supplement to the present technical solution, two mold foot structures 3 are symmetrically installed on the left and right parts of the lower end surface of the lower mold 2, and two symmetrically arranged stoppers 4 are installed on the front and rear parts of the lower end surface of the lower mold 2. A top plate structure 5 is installed between the stoppers 4 and the two mold foot structures 3, and a plurality of ejector rods 6 with the upper ends inserted into the mold cavity structure 13 are installed on the top plate structure 5.

[0027] Example

[0028] When production is carried out, the mold is closed first, and then the die-casting equipment injects aluminum liquid from the gate structure 9, and then the aluminum liquid enters the mold cavity structure 13 through the main channel 12. When the mold cavity structure 13 is filled, wait for the product to cool down. When the product is formed, the mold is opened, and the pin hole core pulling structure 11 is started first, and the inclined core pulling cylinder 28 on the pin hole core pulling structure 11 is retracted. After completion, the hole position pin 33 is removed from the product. After completion, the upper mold 1 is moved upward, and the detachable middle insert 14 is separated from the product during the upward movement to ensure that the cavity structure of the product is formed. After completion, the left core pulling structure 7, the right core pulling structure 8 and the rear core pulling structure 10 are started, so that the left core pulling structure 7, the right core pulling structure 8 and the rear core pulling structure 10 are completely removed, and then the top plate structure 5 is started, and the ejector rod 6 ejects the product.

[0029] The above is a detailed introduction to a die-casting mold for a cylinder seat 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 technicians in this field, according to the ideas of the present application, there will be changes in the specific implementation methods and application scopes. 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 cylinder seat, comprising an upper mold (1), a lower mold (2) and a cavity structure (13), wherein the upper mold (1) and the lower mold (2) are assembled in a stacked manner, an upper mold core and a lower mold core (18) are installed between the upper mold (1) and the lower mold (2), and the cavity structure (13) is arranged between the upper mold core and the lower mold core, a left core-pulling structure (7) inserted into the cavity structure (13) is installed in the left part of the upper mold (1) and the lower mold (2), a right core-pulling structure (8) inserted into the cavity structure (13) is installed in the right part of the upper mold (1) and the lower mold (2), and a rear core-pulling structure (10) inserted into the cavity structure (13) is installed at the rear of the upper mold (1) and the lower mold (2), characterized in that: A gate structure (9) is embedded and installed at the front of the upper mold (1), a main flow channel (12) is arranged between the gate structure (9) and the cavity structure (13), a plurality of branch flow channels connected to the cavity structure (13) are arranged on the main flow channel (12), a removable middle insert (14) is installed on the cavity structure (13), and the upper end of the removable middle insert (14) is connected to the upper mold core.

2. A die-casting mold for a cylinder seat according to claim 1, characterized in that: A pin hole core pulling structure (11) with its front end tilted downward is installed at the rear of the upper end surface of the upper mold (1). The pin hole core pulling structure (11) includes an inclined core pulling cylinder (28), a first core pulling spindle (29) and a connecting block (30). The inclined core pulling cylinder (28) is installed on the upper mold (1). The first core pulling spindle (29) is installed on the spindle of the inclined core pulling cylinder (28). The first core pulling spindle (29) extends toward the mold cavity structure (13). A connecting block (30) is installed at the end of the extended end of the first core pulling spindle (29). A cushion block (31) is installed on the front side of the connecting block (30). A limit block (32) is arranged on the front side of the cushion block (31) to dock with the upper mold (1). A hole pin (33) passing through the cushion block (31) and the limit block (32) is installed on the connecting block (30).

3. A die-casting mold for a cylinder seat according to claim 1, characterized in that: The left core pulling structure (7) comprises a left cylinder bracket (15), a left cylinder (16) and a left core pulling rod (17); the left cylinder bracket (15) is mounted on the left side of the lower mold (2); the left cylinder bracket (15) is mounted with a left cylinder (16) whose main shaft extends to the right; the main shaft of the left cylinder (16) is mounted with a left core pulling rod (17) inserted into the mold cavity structure (13).

4. A die-casting mold for a cylinder seat according to claim 1, characterized in that: The right end of the right core pulling structure (8) is tilted forward, and the right core pulling structure (8) includes a right cylinder bracket (19), a right cylinder (20), a second core pulling spindle (22), a right core pulling slider (21) and a core pulling block (23). The right rear part of the lower mold (2) is equipped with a right cylinder bracket (19), the right cylinder (20) is installed on the right cylinder bracket (19), and the second core pulling spindle (22) with a left end tilted forward is installed on the right cylinder (20). The right part of the lower mold (2) is equipped with a right core pulling slider (21), and the left end of the right core pulling slider (21) is equipped with a core pulling block (23).

5. The die-casting mold for a cylinder seat according to claim 1, characterized in that: The rear core pulling structure (10) comprises a rear oil cylinder support (24), a rear oil cylinder (25), a rear core pulling shaft (26) and a rear core pulling block (27); the rear side of the lower mold (2) is provided with a rear oil cylinder support (24); a rear oil cylinder (25) with a main shaft in advance is provided on the rear oil cylinder support (24); a rear core pulling block (27) is provided at the rear of the upper end surface of the lower mold (2); and a rear core pulling shaft (26) is provided between the rear core pulling block (27) and the rear oil cylinder (25).

6. The die-casting mold for a cylinder seat according to claim 1, characterized in that: Two mold foot structures (3) are symmetrically installed on the left and right parts of the lower end surface of the lower mold (2), and two symmetrically arranged stoppers (4) are installed on the front and rear parts of the lower end surface of the lower mold (2). A top plate structure (5) is installed between the stoppers (4) and the two mold foot structures (3), and a plurality of ejector pins (6) whose upper ends are inserted into the mold cavity structure (13) are installed on the top plate structure (5).