A notebook computer mainboard support piece die-casting mold

Abstract

The utility model discloses a notebook computer mainboard support piece die casting mould, this die casting mould aims at solving the technical problem of notebook computer mainboard support piece's recess depth being bigger under prior art, and the die ejector pin needs to overcome greater friction resistance when ejection. The die casting mould includes lower fixed plate and upper fixed plate, and the both sides of lower fixed plate upper surface are connected with the spacer, and the top of spacer is connected with male die plate, and the upper surface of male die plate is embedded with male die, and the top of male die plate is connected with upper fixed plate. The die casting mould, through the setting of inner cylinder, boss, telescopic push rod, guide rod and guide groove, can separate the boss and the convex groove inner wall of support piece in advance when taking the material, and finally eject the support piece of cooling forming through the ejector pin on the surface of lower ejector plate and upper ejector plate, avoid the phenomenon that the support piece is extremely prone to ejection unsmooth when ejecting, and even product deformation, ejector pin fracture and other bad phenomena caused by too large bag tightness, seriously influence production efficiency and finished product quality.

Description

Technical Field

[0001] This utility model belongs to the field of die casting mold technology, specifically relating to a die casting mold for a laptop motherboard support component. Background Technology

[0002] Laptop motherboard support components are typically thin-walled and irregularly shaped, requiring molds with complex core-pulling mechanisms such as multi-slider and angled ejector pins to ensure smooth product demolding. The design and manufacturing of die-casting molds for laptop motherboard support components requires comprehensive consideration of material selection, structural design, thermal balance control, venting system optimization, and precision machining and testing to ensure the mold meets the production demands for high precision, high efficiency, and long lifespan. Existing die-casting molds exhibit the following problems during use:

[0003] In the existing structural design of laptop motherboard support components, the central groove area is designed as a deep recess due to functional requirements. While this design meets the stability requirements of motherboard installation, it brings significant process challenges during the ejection and demolding stage after die casting. Due to the greater depth of the groove, the clamping force between the molten metal and the core is significantly enhanced during solidification. This results in the ejector pins of the mold having to overcome greater frictional resistance during ejection, which can easily lead to poor ejection, product deformation, ejector pin breakage, and other defects, seriously affecting production efficiency and product quality. Utility Model Content

[0004] (1) Technical problems to be solved

[0005] To address the shortcomings of existing technologies, the purpose of this utility model is to provide a die-casting mold for a laptop motherboard support component. This die-casting mold aims to solve the technical problem that, under existing technologies, the groove depth of the laptop motherboard support component is relatively large, and the clamping force between the molten metal and the core is significantly enhanced during the solidification process. This results in the mold ejector pins having to overcome greater frictional resistance during ejection, which easily leads to poor ejection or even product deformation, ejector pin breakage, and other adverse phenomena, seriously affecting production efficiency and finished product quality.

[0006] (2) Technical solution

[0007] To solve the above-mentioned technical problems, this utility model provides a die-casting mold for a laptop motherboard support component. The die-casting mold includes a lower fixed plate and an upper fixed plate. Partition plates are connected to both sides of the upper surface of the lower fixed plate. A male template is connected to the top of the partition plates. A male mold core is fitted onto the upper surface of the male template. An upper fixed plate is connected to the top of the male template. A female mold core is fitted onto the lower surface of the upper fixed plate. A lower ejector plate is connected to the surface of the lower fixed plate, which is located between the two partition plates. An upper ejector plate is connected to the surface of the lower ejector plate. A boss assembly is connected to the surface of the male mold core.

[0008] The boss assembly includes an inner cylinder, a boss, and a telescopic push rod. The inner cylinder is fitted inside the male mold core. The top of the inner cylinder is inserted with a boss suitable for the support member's groove. The inside of the boss is connected to a telescopic push rod that is connected to the inner wall of the inner cylinder.

[0009] When using the die-casting mold of this technical solution, the telescopic push rod can drive the boss to move into the inner cylinder when it retracts, which can separate the boss from the inner wall of the groove of the support.

[0010] Preferably, the boss assembly further includes a guide rod connected to the bottom side of the boss and a guide groove formed on the inner wall of the inner cylinder and adapted to the size of the guide rod. When the boss is subjected to a force, it can drive the guide rod to slide inside the guide groove, which can limit the movement direction of the boss.

[0011] Furthermore, two sets of guide rods and guide grooves are symmetrically arranged on both sides of the boss. The arrangement of the guide rods and guide grooves ensures that when the boss moves to the farthest end of its stroke, the overall shape formed with the male mold core is consistent with the lower shape of the support component.

[0012] Furthermore, the boss can be moved axially by a telescopic push rod. The position of the boss can be adjusted by moving the boss axially during operation.

[0013] Furthermore, a connecting rod is inserted inside the male mold core, and a locking block is connected to the end of the connecting rod. A fixing block is inserted inside the upper ejector plate, and a slot that matches the locking block is opened on the top of the fixing block. The connecting rod and the fixing block can be connected by the engagement between the slot and the locking block.

[0014] Furthermore, the bottom of the fixing block has a threaded hole, and the interior of the lower ejector plate has a fixing bolt that matches the threaded hole. The fixing bolt passes through the lower ejector plate and the threaded hole at the bottom of the fixing block to make a threaded connection, thereby realizing the fixed assembly of the male mold core.

[0015] (3) Beneficial effects

[0016] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0017] This utility model, through the setting of inner cylinder, boss, telescopic push rod, guide rod and guide groove, can separate the boss from the inner wall of the groove of the support in advance when picking up the material, and finally push out the cooled and formed support through the ejector pins on the surface of the lower ejector plate and the upper ejector plate. This avoids the problem that excessive clamping force can easily cause the support to be pushed out poorly or even deformed or broken ejector pins, which seriously affects production efficiency and finished product quality.

[0018] This utility model, through the setting of connecting rod, locking block, fixing block, locking groove, threaded hole and fixing bolt, can quickly realize the fixed assembly of male mold core. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of the device of this utility model;

[0020] Figure 2 This is a cross-sectional structural diagram of the device of this utility model;

[0021] Figure 3 This is a cross-sectional view of the connection structure between the male mold core and the boss assembly of the present invention.

[0022] Figure 4 This is an exploded cross-sectional view of the boss assembly of the present invention.

[0023] Figure 5 This is a schematic diagram of the connection structure between the male mold core and the ejector plate of the present invention.

[0024] The markings in the attached diagram are as follows: 1. Lower fixing plate; 2. Partition plate; 3. Male mold plate; 4. Male mold core; 5. Upper fixing plate; 6. Female mold core; 7. Lower ejector plate; 8. Upper ejector plate; 9. Boss assembly; 901. Inner cylinder; 902. Boss; 903. Telescopic push rod; 904. Guide rod; 905. Guide groove; 10. Connecting rod; 11. Locking block; 12. Fixing block; 13. Locking groove; 14. Threaded hole; 15. Fixing bolt. Detailed Implementation

[0025] This specific embodiment is a die-casting mold for a laptop motherboard support component, and its structural schematic diagram is shown below. Figure 1-5 As shown, the die-casting mold includes a lower fixed plate 1 and an upper fixed plate 5. The two sides of the upper surface of the lower fixed plate 1 are connected to partition plates 2. The top of the partition plates 2 is connected to a male template 3. The upper surface of the male template 3 is fitted with a male mold core 4. The top of the male template 3 is connected to the upper fixed plate 5. The lower surface of the upper fixed plate 5 is fitted with a female mold core 6. The surface of the lower fixed plate 1 is connected to a lower ejector plate 7 located between the two partition plates 2. The surface of the lower ejector plate 7 is connected to an upper ejector plate 8. The surface of the male mold core 4 is connected to a boss assembly 9.

[0026] The boss assembly 9 includes an inner cylinder 901, a boss 902, and a telescopic push rod 903. The inner cylinder 901 is fitted inside the male mold core 4. The top of the inner cylinder 901 is inserted with a boss 902 suitable for the support member groove. The inside of the boss 902 is connected to a telescopic push rod 903 that is connected to the inner wall of the inner cylinder 901.

[0027] The boss assembly 9 also includes a guide rod 904 connected to the bottom side of the boss 902 and a guide groove 905 opened on the inner wall of the inner cylinder 901 and adapted to the size of the guide rod 904. Two sets of guide rods 904 and guide grooves 905 are symmetrically arranged on both sides of the boss 902. The arrangement of guide rods 904 and guide grooves 905 makes the boss 902 move to the farthest end of its stroke and form an integral part with the male mold core 4 with the lower side of the support member. The boss 902 is driven to move axially by the telescopic push rod 903.

[0028] In addition, a connecting rod 10 is inserted inside the male mold core 4, and a locking block 11 is connected to the end of the connecting rod 10. A fixing block 12 is inserted inside the upper ejector plate 8. A slot 13 that matches the locking block 11 is opened on the top of the fixing block 12, and a threaded hole 14 is opened on the bottom of the fixing block 12. A fixing bolt 15 that matches the threaded hole 14 passes through the interior of the lower ejector plate 7.

[0029] Working principle: When using the device of this technical solution, the molten raw material is injected into the mold through the injection port on the upper surface of the upper fixed plate 5 and flows between the male mold core 4 and the female mold core 6. After the support part is cooled and formed by the cooling system of the mold, the telescopic push rod 903 can be operated. When the telescopic push rod 903 retracts, it can drive the boss 902 to move into the inner cylinder 901. This can separate the boss 902 from the inner wall of the groove of the support part. Then, the movement of the lower ejector plate 7 and the upper ejector plate 8 can drive the ejector pin to move axially and eject the cooled and formed support part.

[0030] During assembly, the male mold core 4 drives the connecting rod 10 through the interior of the male mold plate 3. Then, the fixing block 12 drives the slot 13 to engage with the locking block 11 at the bottom of the connecting rod 10. Next, the fixing block 12 is inserted into the interior of the upper ejector plate 8, and the fixing bolt 15 passes through the lower ejector plate 7 and is threadedly connected to the threaded hole 14 at the bottom of the fixing block 12, thereby achieving the fixed assembly of the male mold core 4.

[0031] All technical features in this embodiment can be freely combined according to actual needs.

[0032] The above embodiments are preferred implementations of this utility model. In addition, this utility model can also be implemented in other ways. Any obvious substitutions without departing from the concept of this technical solution are within the protection scope of this utility model.

Claims

1. A die-casting mold for a notebook computer motherboard support component, the die-casting mold comprising a lower fixing plate (1) and an upper fixing plate (5), characterized in that, The upper surface of the lower fixed plate (1) is connected to two sides of the partition plate (2), the top of the partition plate (2) is connected to the male template (3), the upper surface of the male template (3) is fitted with the male mold core (4), the top of the male template (3) is connected to the upper fixed plate (5), the lower surface of the upper fixed plate (5) is fitted with the female mold core (6), the surface of the lower fixed plate (1) is connected to the lower ejector plate (7) located between the two partition plates (2), the surface of the lower ejector plate (7) is connected to the upper ejector plate (8), and the surface of the male mold core (4) is connected to the boss assembly (9). The boss assembly (9) includes an inner cylinder (901), a boss (902) and a telescopic push rod (903). The inner cylinder (901) is fitted inside the male mold core (4). The top of the inner cylinder (901) is inserted with a boss (902) suitable for the support member groove. The inside of the boss (902) is connected to a telescopic push rod (903) connected to the inner wall of the inner cylinder (901).

2. The die-casting mold for a notebook computer motherboard support component according to claim 1, characterized in that, The boss assembly (9) also includes a guide rod (904) connected to the bottom side of the boss (902) and a guide groove (905) formed on the inner wall of the inner cylinder (901) and adapted to the size of the guide rod (904).

3. The die-casting mold for a notebook computer motherboard support component according to claim 2, characterized in that, The guide rod (904) and guide groove (905) are symmetrically arranged in two sets on both sides of the boss (902). The arrangement of the guide rod (904) and guide groove (905) makes the boss (902) move to the farthest end of its stroke and form an integral part with the male mold core (4) with the lower side of the support component.

4. The die-casting mold for a notebook computer motherboard support component according to claim 3, characterized in that, The telescopic push rod (903) drives the boss (902) to move axially.

5. The die-casting mold for a notebook computer motherboard support component according to claim 1, characterized in that, A connecting rod (10) is inserted inside the male mold core (4), and a locking block (11) is connected to the end of the connecting rod (10). A fixing block (12) is inserted inside the upper ejector plate (8), and a slot (13) adapted to the locking block (11) is opened on the top of the fixing block (12).

6. The die-casting mold for a notebook computer motherboard support component according to claim 5, characterized in that, The bottom of the fixing block (12) is provided with a threaded hole (14), and the interior of the lower ejector plate (7) is provided with a fixing bolt (15) that is compatible with the threaded hole (14).

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