Die-casting die for automobile aluminum casting

Abstract

The utility model discloses a die-casting die of an automobile aluminum casting, which comprises a lower die holder and an upper die holder which are distributed in parallel, the lower die holder and the upper die holder are separately connected with a die core through a lower fixing seat and an upper fixing seat respectively, the lower fixing seat is provided with an inserting hole, the die core is provided with a positioning port communicated with the inserting hole, and the positioning port is communicated with the inserting hole. Fixing assemblies used for positioning and fixing the mold core are arranged on the two side faces of the lower fixing base and the two side faces of the upper fixing base correspondingly, the fixing rods are slidably connected with the fixing frame, and the fixing rods penetrate through the inserting holes and then are inserted into the positioning openings; compared with the prior art, the die core can be mounted and dismounted on the lower fixing seat and the upper fixing seat through the fixing assembly, so that the die core can be conveniently dismounted and mounted, the die core can be quickly replaced according to use requirements when the die-casting die is used, the mounting steps of the die are simplified, and the replacement efficiency of the die is improved; furthermore, the working efficiency of the die-casting die is higher.

Description

Technical Field

[0001] The utility model relates to the technical field of die casting moulds, in particular to a die casting mould for automobile aluminum castings. Background Art

[0002] Automotive aluminum castings refer to aluminum alloy materials used to manufacture automotive parts. They are widely used in automobile manufacturing, mainly including engine parts, chassis parts, body parts, and electrical system parts. In the production process of automotive aluminum castings, die-casting molds are processing molds that rely on pressure to plastically deform and shape metal blocks.

[0003] The current die-casting molds for automotive aluminum castings have certain defects when in use. When the die-casting mold is in use, the mold core is fixed on the fixed seat of the mold, which makes it inconvenient to replace the die-casting mold when in use. During the die-casting process of automotive aluminum castings, the mold core cannot be quickly replaced according to the needs of use. The die-casting mold needs to be replaced as a whole, which is time-consuming and labor-intensive, resulting in a decrease in the working efficiency of the die-casting mold. Therefore, improvements are now made to the die-casting molds for automotive aluminum castings. Utility Model Content

[0004] The utility model aims to provide a die-casting mold for automobile aluminum castings, so as to solve the problem of low working efficiency of the existing die-casting mold for automobile aluminum castings proposed in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a die-casting mold for automobile aluminum castings, comprising a lower die base and an upper die base distributed in parallel, wherein the lower die base and the upper die base are detachably connected to a mold core through a lower fixing base and an upper fixing base respectively, a plug hole is provided on the lower fixing base, and a positioning port connected to the plug hole is provided on the mold core, and both side surfaces of the lower fixing base and the upper fixing base are provided with fixing components for positioning and fixing the mold core.

[0006] As a preferred technical solution of the utility model, the fixing assembly includes a fixing frame fixed to the side of the lower fixing seat, the fixing frame is U-shaped and a fixing rod passes through the fixing frame, a limiting plate is provided at the middle position of the fixing rod, a first spring is sleeved on the outside of the fixing rod at a position located inside the fixing frame, and a pull ring is fixedly connected to one end of the fixing rod.

[0007] As a preferred technical solution of the utility model, the fixing rod is slidably connected to the fixing frame, the fixing rod passes through the plug hole and is plugged into the positioning hole, and the limiting plate abuts against the outer side surface of the lower fixing seat.

[0008] As a preferred technical solution of the utility model, a positioning hole is provided on the lower fixing seat, and a positioning rod matching the positioning hole is provided on the mold core, and the number of the positioning holes and the number of the positioning rods are both several.

[0009] As a preferred technical solution of the utility model, a cavity is opened on the mold core, and the cavities of the mold cores in the lower fixed seat and the upper fixed seat are molded together to form a closed chamber.

[0010] As a preferred technical solution of the utility model, a guide rod is fixedly connected to the upper side of the lower fixed seat, the guide rod passes through the upper fixed seat and is slidably connected to the upper fixed seat, and a second spring is sleeved on the outside of the guide rod located between the lower fixed seat and the upper fixed seat.

[0011] As a preferred technical solution of the utility model, a mold handle is arranged at the middle position of the upper side surface of the upper fixing seat through a mounting plate.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The die-casting mold for automobile aluminum castings of the utility model can realize the installation and disassembly of the mold core on the lower fixing seat and the upper fixing seat through the fixing assembly, so that the disassembly and installation of the mold core can be facilitated. When the die-casting mold is in use, the mold core can be quickly replaced according to the use needs, which simplifies the installation steps of the mold, improves the efficiency of mold replacement, and further makes the working efficiency of the die-casting mold higher.

[0014] Other features and advantages of the present invention will be described in detail in the following specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a partial structural schematic diagram of the utility model;

[0017] Figure 3 It is a structural schematic diagram of the fixing component of the utility model.

[0018] In the figure: 1. lower die base; 2. upper die base; 3. lower fixing base; 31. positioning hole; 32. plug-in hole; 4. upper fixing base; 5. mold core; 51. cavity; 52. positioning port; 53. positioning rod; 6. fixing assembly; 61. fixing frame; 62. fixing rod; 63. limit plate; 64. first spring; 65. pull ring; 7. guide column; 8. second spring; 9. mounting plate; 10. mold handle. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] In the description of the present invention, it should be noted that the terms "vertical", "up", "down", "horizontal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0021] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0022] See also Figure 1-Figure 3 In this embodiment, a die-casting mold for automotive aluminum castings is provided, including a lower die base 1 and an upper die base 2 distributed in parallel, the lower die base 1 and the upper die base 2 are detachably connected to a mold core 5 through a lower fixing base 3 and an upper fixing base 4, respectively, a plug hole 32 is provided on the lower fixing base 3, and a positioning port 52 connected to the plug hole 32 is provided on the mold core 5, and both side surfaces of the lower fixing base 3 and the upper fixing base 4 are provided with a fixing component 6 for positioning and fixing the mold core 5.

[0023] In the utility model, the corresponding mold core 5 is selected according to the die-casting needs of automobile aluminum castings, and then the mold core 5 is inserted into the lower fixing seat 3 and the upper fixing seat 4, and the mold core 5 is fixed by the fixing components 6 on both sides of the lower fixing seat 3 and the upper fixing seat 4. The fixing components 6 can facilitate the installation and disassembly of the mold core 5, so that the die-casting mold can adapt to different die-casting needs and quickly replace the mold core 5. The fixing components 6 are inserted into the positioning port 52 of the mold core 5 using the plug-in holes 32 of the lower fixing seat 3 and the upper fixing seat 4, thereby realizing the fixation of the mold core 5.

[0024] Specifically, refer to Figure 3The fixing assembly 6 includes a fixing frame 61 fixed to the side of the lower fixing seat 3. The fixing frame 61 is U-shaped and a fixing rod 62 passes through the fixing frame 61. A limiting plate 63 is arranged in the middle position of the fixing rod 62. The outside of the fixing rod 62 is located inside the fixing frame 61 and is sleeved with a first spring 64. One end of the fixing rod 62 is fixedly connected with a pull ring 65. The fixing frame 61 is used to set the fixing rod 62 outside the plug-in hole 32 of the lower fixing seat 3 and the upper fixing seat 4. The pull ring 65 can be used to pull the fixing rod 62 on the fixing frame 61, so that the fixing rod 62 can be separated from the positioning port 52 of the mold core 5, thereby realizing the disassembly of the mold core 5. When the mold core 5 is fixed, the pull ring 65 is released, and the fixing rod 62 is inserted into the positioning port 52 under the action of the first spring 64, thereby realizing the fixation of the mold core 5.

[0025] The fixing rod 62 is slidably connected to the fixing frame 61, and the fixing rod 62 is inserted into the positioning opening 52 after passing through the insertion hole 32, and the limiting plate 63 abuts against the outer side of the lower fixing seat 3. The fixing rod 62 slidably connected to the fixing frame 61 can realize telescopic movement, so that it can be separated from the positioning opening 52 of the mold core 5 when the mold core 5 needs to be disassembled, and inserted into the positioning opening 52 when the mold core 5 needs to be fixed, which is convenient for the installation and removal of the mold core 5.

[0026] Specifically, refer to Figure 2 A positioning hole 31 is provided on the lower fixing seat 3, and a positioning rod 53 matching the positioning hole 31 is provided on the mold core 5. The number of the positioning holes 31 and the positioning rod 53 are both several. The positioning holes 31 and the positioning rod 53 are used to achieve a guiding effect. When the mold core 5 is fixed on the lower fixing seat 3 and the upper fixing seat 4, the positioning rod 53 is first inserted into the positioning hole 31 to achieve stable insertion of the mold core 5, and then the mold core 5 is fixed by the fixing component 6 to improve the stability of the mold core 5 on the lower fixing seat 3 and the upper fixing seat 4.

[0027] Among them, a cavity 51 is opened on the mold core 5, and the cavity 51 of the mold core 5 in the lower fixed seat 3 and the upper fixed seat 4 are molded together to form a closed chamber. The cavity 51 on the mold core 5 of the lower fixed seat 3 and the upper fixed seat 4 forms a chamber structure, so that the molten metal of the automobile aluminum casting can enter the closed chamber structure for cooling and molding.

[0028] Specifically, refer to Figure 1 A guide rod 7 is fixedly connected to the upper side of the lower fixed seat 3, and the guide rod 7 passes through the upper fixed seat 4 and is slidably connected to the upper fixed seat 4. The outer part of the guide rod 7 is located between the lower fixed seat 3 and the upper fixed seat 4 and is sleeved with a second spring 8. The guide rod 7 is used to realize the mold closing guiding function of the lower mold seat 1 and the upper mold seat 2, ensuring that the die-casting mold can be closed stably and accurately during mold closing.

[0029] A die handle 10 is provided at the middle position of the upper side surface of the upper fixing seat 4 through a mounting plate 9, and the die handle 10 is used to connect the die and the die-casting machine, so as to perform die-casting on the workpiece cooled on the die.

[0030] Working principle: When using the die-casting mold of the present application, the corresponding mold core 5 is selected according to the die-casting requirements of the automobile aluminum casting, and then the mold core 5 is inserted into the lower fixing seat 3 and the upper fixing seat 4, and the mold core 5 is fixed by the fixing components 6 on both sides of the lower fixing seat 3 and the upper fixing seat 4, and the mold handle 10 is used to realize the connection between the mold and the die-casting machine, and the guide rod 7 is used to realize the mold closing guiding function of the lower mold seat 1 and the upper mold seat 2, so as to ensure that the die-casting mold can be closed stably and accurately during the mold closing, and the cavity 51 on the mold core 5 of the lower fixing seat 3 and the upper fixing seat 4 forms a chamber structure, so that the molten metal of the automobile aluminum casting can enter the closed chamber structure for cooling and molding.

[0031] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. Die-casting mold for automotive aluminum castings, characterized in that: The invention comprises a lower die base (1) and an upper die base (2) which are arranged in parallel, wherein the lower die base (1) and the upper die base (2) are detachably connected to a die core (5) via a lower fixing base (3) and an upper fixing base (4), respectively; a plug hole (32) is provided on the lower fixing base (3), and a positioning opening (52) which is connected to the plug hole (32) is provided on the die core (5); and fixing components (6) for positioning and fixing the die core (5) are provided on both side surfaces of the lower fixing base (3) and the upper fixing base (4).

2. The die-casting mold for automotive aluminum castings according to claim 1, characterized in that: The fixing assembly (6) comprises a fixing frame (61) fixed to the side of the lower fixing seat (3); the fixing frame (61) is arranged in a U shape and a fixing rod (62) passes through the fixing frame (61); a limiting plate (63) is arranged in the middle of the fixing rod (62); a first spring (64) is sleeved on the outside of the fixing rod (62) at a position located inside the fixing frame (61); and a pull ring (65) is fixedly connected to one end of the fixing rod (62).

3. The die-casting mold for automotive aluminum castings according to claim 2, characterized in that: The fixing rod (62) is slidably connected to the fixing frame (61); the fixing rod (62) passes through the insertion hole (32) and is inserted into the positioning opening (52); and the limiting plate (63) abuts against the outer side surface of the lower fixing seat (3).

4. The die-casting mold for automotive aluminum castings according to claim 1, characterized in that: The lower fixing seat (3) is provided with a positioning hole (31), and the mold core (5) is provided with a positioning rod (53) matching the positioning hole (31), and the number of the positioning holes (31) and the number of the positioning rods (53) are both several.

5. The die-casting mold for automotive aluminum castings according to claim 1, characterized in that: The mold core (5) is provided with a mold cavity (51), and the mold cavities (51) of the mold core (5) in the lower fixed seat (3) and the upper fixed seat (4) are molded together to form a closed chamber.

6. The die-casting mold for automotive aluminum castings according to claim 1, characterized in that: A guide rod (7) is fixedly connected to the upper side of the lower fixed seat (3); the guide rod (7) passes through the upper fixed seat (4) and is slidably connected to the upper fixed seat (4); a second spring (8) is sleeved on the outer portion of the guide rod (7) at a position between the lower fixed seat (3) and the upper fixed seat (4).

7. The die-casting mold for automotive aluminum castings according to claim 1, characterized in that: A mold handle (10) is provided at the middle position of the upper side surface of the upper fixing seat (4) via a mounting plate (9).

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