Aluminum alloy die casting mold convenient to replace

By designing an easily replaceable aluminum alloy die-casting mold, adopting a bolt fixing block and dovetail block positioning structure, and combining it with a push rod spring ejection system, the problem of time-consuming mold replacement was solved, and production efficiency and casting accuracy were improved.

CN224463669UActive Publication Date: 2026-07-07AIKODI (SHENZHEN) PRECISION PARTS CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
AIKODI (SHENZHEN) PRECISION PARTS CO LTD
Filing Date
2025-07-04
Publication Date
2026-07-07

AI Technical Summary

Technical Problem

The replacement of traditional aluminum alloy die-casting molds is cumbersome and time-consuming, which affects production efficiency and equipment continuity.

Method used

An easily replaceable aluminum alloy die-casting mold was designed, employing a quick-installation structure with bolts and fixing blocks, combined with the positioning fit of dovetail blocks and dovetail grooves, and utilizing an ejection system of push rods, support rods, and springs to simplify the mold replacement process and prevent displacement.

Benefits of technology

It enables rapid installation and disassembly of molds, improves production efficiency, enhances the dimensional accuracy of castings and mold life, and reduces equipment downtime.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to aluminium alloy die casting technical field especially relates to an aluminium alloy die casting mould convenient to replace. Including fixed mould base plate, pouring way, movable mould base plate, hydraulic pressure rod, fixed mould frame, movable mould frame, cushion block, fixed mould cavity, movable mould cavity, shunt vertebral body etc. Fixed mould base plate middle part is equipped with pouring way, and fixed mould base plate downside is equipped with fixed mould frame, and fixed mould frame is equipped with fixed mould cavity in sliding mode, and movable mould base plate upside both ends are equipped with hydraulic pressure rod and cushion block, and the piston of hydraulic pressure rod is connected fixed mould base plate, and fixed mould frame upside is equipped with movable mould frame, and movable mould frame is equipped with movable mould cavity in sliding mode, and movable mould cavity upside is equipped with shunt vertebral body, and fixed mould frame and movable mould frame both sides are all screw thread connection with bolt. The utility model discloses through the design of bolt and fixed block, has realized the quick installation and disassembly of fixed mould cavity and movable mould cavity, and simple and convenient operation does not need to use complicated tool, has simplified the replacement process, and has improved production efficiency.
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Description

Technical Field

[0001] This utility model relates to the field of aluminum alloy die casting technology, and in particular to an easily replaceable aluminum alloy die casting mold. Background Technology

[0002] Aluminum alloy die casting is a casting method in which molten aluminum alloy is filled into a mold cavity at high speed under high pressure and then solidified under pressure to obtain a precision casting. It is commonly used to produce various parts, such as automotive parts and electronic device housings.

[0003] In aluminum alloy die casting production, the efficiency and precision of mold replacement directly affect production costs and casting quality. The replacement of traditional aluminum alloy die casting molds is cumbersome and time-consuming, usually requiring the use of special tools, which increases equipment downtime and affects production continuity. Utility Model Content

[0004] To overcome the drawbacks of cumbersome and time-consuming mold replacement operations, this utility model provides an easy-to-replace aluminum alloy die-casting mold.

[0005] The technical solution of this utility model is: an easily replaceable aluminum alloy die-casting mold, comprising a fixed mold base plate, a pouring channel, a moving mold base plate, a hydraulic rod, a fixed mold frame, a moving mold frame, a pad, a fixed mold cavity, a moving mold cavity, a flow divider, a fixing block, and bolts. The fixed mold base plate has a pouring channel in the middle, and a fixed mold frame is provided on the lower side of the fixed mold base plate. A fixed mold cavity is slidably provided in the fixed mold frame. Hydraulic rods and pads are provided at both ends of the upper side of the moving mold base plate. The piston of the hydraulic rod is connected to the fixed mold base plate. A moving mold frame is provided on the upper side of the pad. A moving mold cavity is slidably provided in the moving mold frame. A flow divider is provided on the upper side of the moving mold cavity. Bolts are threadedly connected to the front and rear sides of the fixed mold frame and the moving mold frame. A fixing block is rotatably provided on the bolt. Fixing grooves are provided on the front and rear sides of the fixed mold cavity and the moving mold cavity. The fixing block is embedded in the fixing groove.

[0006] In addition, it is particularly preferred that the mold also includes dovetail blocks, with multiple dovetail blocks provided on both the fixed mold frame and the moving mold frame, and multiple dovetail grooves opened on the side walls of both the fixed mold cavity and the moving mold cavity, with the dovetail blocks embedded in the dovetail grooves.

[0007] In addition, it is particularly preferred that the mold also includes guide pillars, with multiple guide pillars provided on the upper side of the moving mold frame, and the guide pillars being slidably connected to the fixed mold frame.

[0008] Furthermore, it is particularly preferred that the assembly also includes push rods, support rods, springs, and push plates. A push plate is slidably provided between the moving mold base plate and the moving mold frame. Multiple push rods and support rods are provided on the upper side of the push plate. The push rods and support rods are slidably connected to the moving mold frame. The push rods are slidably connected to the moving mold cavity. A spring is wound around the outside of the support rod. The spring connects the push plate and the moving mold frame. A through hole is opened at the bottom of the moving mold base plate, and a fixed push rod is provided below it. When the moving mold base plate moves downward, the push rod extends into the through hole.

[0009] In addition, it is particularly preferred that the push plate also includes a slider, with sliders provided at both ends of the push plate, and a groove provided on the pad, in which the slider slides.

[0010] Furthermore, it is particularly preferred that the push plate also includes a fixing plate, with the upper side of the push plate having a fixing plate, and the push rod and the support rod being slidably connected to the fixing plate.

[0011] The beneficial effects of this utility model are: 1. Through the design of bolts and fixing blocks, this utility model realizes the rapid installation and disassembly of the fixed model cavity and the moving model cavity. The operation is simple and convenient, without the need for complicated tools, which simplifies the replacement process and improves production efficiency.

[0012] 2. This utility model not only achieves rapid positioning through the cooperation of dovetail block and dovetail groove, but also effectively resists lateral vibration and pressure during the die casting process, prevents displacement of the mold cavity under high temperature and high pressure, and improves the dimensional accuracy of castings and mold life.

[0013] 3. This utility model uses an ejection system composed of a push rod, a support rod, a spring, and a push plate. When the hydraulic rod drives the moving mold base plate to move downward, the push rod automatically ejects the casting, and the elastic reset function of the spring ensures that the push plate is smoothly reset, reducing manual intervention and improving production continuity. Attached Figure Description

[0014] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0015] Figure 2 This is an exploded view of the present invention.

[0016] Figure 3 This is a three-dimensional structural diagram of the guide post, moving model cavity, and diversion cone of this utility model.

[0017] Figure 4 This is a three-dimensional structural diagram of the fixing block and bolt of this utility model.

[0018] Figure 5 This is a three-dimensional structural diagram of the diversion cone, fixing groove, and dovetail groove of this utility model.

[0019] Figure 6 This is a three-dimensional structural diagram of the spring, fixing plate, and push plate of this utility model.

[0020] The above-mentioned attached drawings include the following reference numerals: 1. Fixed mold base plate, 2. Casting channel, 3. Moving mold base plate, 4. Hydraulic rod, 5. Fixed mold frame, 51. Dovetail block, 52. Dovetail groove, 6. Moving mold frame, 7. Pad block, 8. Fixed mold cavity, 9. Guide pillar, 10. Moving mold cavity, 11. Diverter cone, 12. Fixing block, 13. Fixing groove, 14. Bolt, 15. Push rod, 16. Slide groove, 17. Support rod, 18. Spring, 19. Fixing plate, 20. Push plate, 21. Slider. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] An easily replaceable aluminum alloy die-casting mold, such as Figures 1-6 As shown, it includes a fixed mold base plate 1, a pouring channel 2, a moving mold base plate 3, a hydraulic rod 4, a fixed mold frame 5, a moving mold frame 6, a pad 7, a fixed mold cavity 8, a moving mold cavity 10, a flow divider 11, a fixing block 12, and bolts 14. The fixed mold base plate 1 has a pouring channel 2 in the middle. The fixed mold frame 5 is located on the lower side of the fixed mold base plate 1. The lower side of the fixed mold frame 5 has a fixed mold mounting groove for installing the fixed mold cavity 8. The fixed mold cavity 8 is slidably installed in the fixed mold mounting groove of the fixed mold frame 5. Hydraulic rods 4 and pads 7 are located at both ends of the upper side of the moving mold base plate 3. The piston of the hydraulic rod 4... The fixed mold base plate 1 is connected to the pad block 7. The upper side of the pad block 7 is provided with a moving mold frame 6. The upper side of the moving mold frame 6 is provided with a moving mold mounting groove for installing the moving mold cavity 10. The moving mold cavity 10 is slidably provided in the moving mold mounting groove of the moving mold frame 6. The upper side of the moving mold cavity 10 is provided with a diverter cone 11 for diverting aluminum alloy liquid. The front and rear sides of the fixed mold frame 5 and the moving mold frame 6 are threaded with bolts 14. The bolts 14 are rotatably provided with fixing blocks 12. The front and rear sides of the fixed mold cavity 8 and the moving mold cavity 10 are provided with fixing grooves 13. The fixing blocks 12 are embedded in the fixing grooves 13.

[0023] When it is necessary to disassemble the fixed mold cavity 8 or the moving mold cavity 10, rotate the bolt 14 to disengage the fixing block 12 from the fixing groove 13 of the fixed mold cavity 8 or the moving mold cavity 10. At this time, the fixed mold cavity 8 or the moving mold cavity 10 can be removed and replaced. Similarly, when it is necessary to install, embed the fixed mold cavity 8 or the moving mold cavity 10 into the fixed mold frame 5 or the moving mold frame 6, and then rotate the bolt 14 to re-embed the fixing block 12 into the fixing groove 13 of the fixed mold cavity 8 or the moving mold cavity 10 to complete the fixing. After the die casting is completed, the hydraulic rod 4 drives the moving mold base plate 3 and its components to move downward.

[0024] like Figures 3-5As shown, it also includes dovetail blocks 51. Multiple dovetail blocks 51 are provided on both the fixed mold frame 5 and the moving mold frame 6. Multiple dovetail grooves 52 are opened on the side walls of the fixed mold cavity 8 and the moving mold cavity 10. The dovetail blocks 51 are embedded in the dovetail grooves 52. When installing the fixed mold cavity 8 or the moving mold cavity 10, the positioning is completed by the dovetail blocks 51 and the dovetail grooves 52 to avoid offset or misalignment during installation. At the same time, the dovetail structure can effectively prevent the lateral displacement of the mold cavity caused by vibration or pressure during the die casting process, thereby improving the accuracy and service life of the mold.

[0025] like Figures 1-3 As shown, it also includes guide pillars 9. Multiple guide pillars 9 are provided on the upper side of the moving mold frame 6. The guide pillars 9 are slidably connected to the fixed mold frame 5. The guide pillars 9 ensure that the moving mold frame 6 and the fixed mold frame 5 move smoothly along a straight line during the opening and closing process, avoiding improper mold closing or collision caused by offset.

[0026] like Figure 6 As shown, it also includes push rods 15, support rods 17, springs 18, and push plates 20. A push plate 20 is slidably provided between the moving mold base plate 3 and the moving mold frame 6. Multiple push rods 15 and support rods 17 are provided on the upper side of the push plate 20. The push rods 15 and support rods 17 are slidably connected to the moving mold frame 6. The push rods 15 are slidably connected to the moving mold cavity 10. A spring 18 is wound around the outside of the support rods 17. The spring 18 connects the push plate 20 and the moving mold frame 6. A through hole is opened at the bottom of the moving mold base plate 3, and below it is a... A fixed ejector rod extends into the through hole when the moving mold base plate 3 moves downward. After die casting is completed, the moving mold base plate 3 and its components move downward, the ejector rod extends into the through hole and lifts the push plate 20, the push rod 15 and support rod 17 on the upper side of the push plate 20 move upward, the spring 18 contracts, the push rod 15 lifts the casting, and after the casting is removed, the piston of the hydraulic rod 4 resets, the moving mold base plate 3 and its components move upward, and the push plate 20 resets under the action of the spring 18.

[0027] like Figure 6 As shown, it also includes a slider 21. Slider 21 is provided at both the left and right ends of the push plate 20. The pad block 7 is provided with a sliding groove 16. The slider 21 slides in the sliding groove 16 to ensure that the push plate 20 moves in a straight line and to prevent the push plate 20 from tilting or deviating, which could cause the equipment to jam or be damaged.

[0028] like Figure 6 As shown, it also includes a fixing plate 19. The upper side of the push plate 20 is provided with a fixing plate 19. The push rod 15 and the support rod 17 are slidably connected to the fixing plate 19. The fixing plate 19 plays a certain role in fixing and ensuring the stability of the push rod 15 and the support rod 17.

[0029] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model and are not intended to limit the scope of protection of this utility model. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of this utility model without departing from the essence and scope of the technical solutions of this utility model.

Claims

1. An easily replaceable aluminum alloy die-casting mold, comprising a fixed mold base plate (1), a gating system (2), and a movable mold base plate (3), characterized in that, It also includes hydraulic rods (4), fixed mold frame (5), moving mold frame (6), pads (7), fixed mold cavity (8), moving mold cavity (10), flow divider (11), fixing block (12) and bolts (14). The fixed mold base plate (1) is provided with a pouring channel (2) in the middle. The fixed mold base plate (1) is provided with a fixed mold frame (5) on the lower side. The fixed mold cavity (8) is provided in a sliding manner in the fixed mold frame (5). The moving mold base plate (3) is provided with hydraulic rods (4) and pads (7) on the upper left and right ends. The piston of the hydraulic rod (4) The fixed mold base plate (1) is connected, and the upper side of the pad block (7) is provided with a moving mold frame (6). The moving mold frame (6) is provided with a sliding moving mold cavity (10). The upper side of the moving mold cavity (10) is provided with a diversion cone (11). The fixed mold frame (5) and the moving mold frame (6) are threadedly connected with bolts (14). The bolts (14) are provided with a rotating fixing block (12). The fixed mold cavity (8) and the moving mold cavity (10) are provided with fixing grooves (13) on both sides. The fixing block (12) is embedded in the fixing groove (13).

2. The easily replaceable aluminum alloy die-casting mold as described in claim 1, characterized in that, It also includes dovetail blocks (51), and multiple dovetail blocks (51) are provided on both the fixed mold frame (5) and the moving mold frame (6). Multiple dovetail grooves (52) are opened on the side walls of both the fixed mold cavity (8) and the moving mold cavity (10), and the dovetail blocks (51) are embedded in the dovetail grooves (52).

3. The easily replaceable aluminum alloy die-casting mold as described in claim 2, characterized in that, It also includes guide pillars (9), and multiple guide pillars (9) are provided on the upper side of the moving mold frame (6), and the guide pillars (9) are slidably connected to the fixed mold frame (5).

4. The easily replaceable aluminum alloy die-casting mold as described in claim 3, characterized in that, It also includes push rods (15), support rods (17), springs (18) and push plates (20). Push plates (20) are slidably provided between the moving mold base plate (3) and the moving mold frame (6). Multiple push rods (15) and support rods (17) are provided on the upper side of the push plate (20). The push rods (15) and support rods (17) are slidably connected to the moving mold frame (6). The push rods (15) are slidably connected to the moving mold cavity (10). The support rods (17) are wrapped with springs (18) on the outside. The springs (18) connect the push plates (20) and the moving mold frame (6). The bottom of the moving mold base plate (3) has a through hole, and a fixed push rod is provided below it. When the moving mold base plate (3) moves downward, the push rod extends into the through hole.

5. The easily replaceable aluminum alloy die-casting mold as described in claim 4, characterized in that, It also includes a slider (21), with sliders (21) provided at both ends of the push plate (20), and a groove (16) provided on the pad (7), in which the slider (21) slides and connects.

6. The easily replaceable aluminum alloy die-casting mold as described in claim 5, characterized in that, It also includes a fixing plate (19), and the upper side of the push plate (20) is provided with a fixing plate (19). The push rod (15) and the support rod (17) are slidably connected to the fixing plate (19).