Die casting device for aluminum alloy die casting

Abstract

The utility model relates to the technical field of aluminum alloy die castings, in particular to a die casting device for aluminum alloy die castings, which comprises a bottom plate, a lower die plate and an upper die plate, four rectangular supporting columns are fixedly mounted at the upper end of the bottom plate, and a cross rod is fixedly mounted in the middles of the two transversely-arranged supporting columns. A hydraulic cylinder is fixedly installed in the center of the upper end of the installation plate, two symmetrically-arranged electric push rods are fixedly installed at the upper end of the containing plate, and die-casting mechanisms used for driving the upper die plate and the lower die plate to conduct die-casting on aluminum alloy are arranged on the lower portion of the second limiting plate and the upper portion of the first limiting plate. The driving motor drives the fixing frame to drive the rotating frame to rotate, different upper die plates and lower die plates can be conveniently and rapidly replaced, the situation that too much time is wasted when the upper die plates and the lower die plates are manually replaced is avoided, the multiple upper die plates and the multiple lower die plates are fixed to the rotating frame, and die casting of diversified aluminum alloy die castings can be conveniently adapted.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of aluminum alloy die casting, especially to a die casting device for aluminum alloy die casting. BACKGROUND

[0002] Die casting refers to the rapid injection of molten metal into a mold cavity under high pressure, and solidification under pressure to form a shape. Die casting process has the advantages of high production efficiency, high casting precision and good surface quality, and is a common production method for thin-walled aluminum alloy products.

[0003] However, the existing technology, such as the die casting device for thin-walled aluminum alloy die casting disclosed in CN221516058U, includes a die casting table, a die casting top plate and a support rod. The top of the die casting top plate is fixedly connected with a hydraulic cylinder, the output end of the hydraulic cylinder is fixedly connected with a mounting assembly one, the left end of the die casting table is provided with a water inlet assembly, the right end of the die casting table is provided with a drainage assembly, the inside of the die casting table is provided with a lower mold. This technology inputs the cold water in the water tank into the inside of the water delivery pipe through the water pump one, quickly cools the outer wall of the lower mold, and quickly cools the warm water delivered into the U-shaped condenser pipe. The inside of the water tank is used for circulation. However, the following problems exist in use:

[0004] The above technology uses the extrusion of the upper and lower molds, and then cools and shapes to die cast the aluminum alloy. However, it can only die cast one fixed aluminum alloy model. When die casting different aluminum alloy models, the above technology uses manual replacement of the upper and lower molds to die cast different aluminum alloy models. This process is time-consuming. UTILITY MODEL CONTENTS

[0005] The utility model aims to solve the problem of die casting only one fixed aluminum alloy model in the prior art, and provides a die casting device for aluminum alloy die casting.

[0006] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0007] The utility model provides a kind of die casting device of aluminium alloy die casting, including bottom plate, lower die plate and upper die plate, four support columns are fixedly installed with the upper end of bottom plate and are arranged in rectangle, and the middle part of two transversely arranged support columns is fixedly installed with crossbar, the inner wall of crossbar is fixedly installed with spray head, four support columns top is fixedly installed with mounting plate, the center position of the upper end of mounting plate is fixedly installed with hydraulic cylinder, the bottom of hydraulic cylinder is fixedly installed with second limit board, the upper end of bottom plate is fixedly installed with four interconnecting baffles between four support columns, the upper end of bottom plate is fixedly installed with placing plate between four baffles, the upper end of placing plate is fixedly installed with two symmetrical electric push rods, the upper end of electric push rod is fixedly installed with first limit board, the lower part of second limit board and the upper part of first limit board are provided with the die casting mechanism for driving upper die plate and lower die plate to aluminium alloy die casting.

[0008] Preferably, the die casting mechanism includes two symmetrically arranged hydraulic rods, both ends of the two hydraulic rods are fixedly installed with drive motors, both output ends of the two drive motors are fixedly installed with fixed frames, a hollow rectangular rotating frame is fixedly connected between the two fixed frames, a through hole is formed in the rotating frame, a connecting rod is arranged in the through hole of the rotating frame, and the connecting rod is fixedly installed in the inner walls of the upper die plate and the lower die plate in a rectangular shape, and a fixing nut for fixing the connecting rod is arranged on the outer wall of the connecting rod.

[0009] Preferably, two symmetrically arranged through grooves are formed in the mounting plate, and a guide rod is slidingly arranged in the through grooves in the mounting plate.

[0010] Preferably, a containing cavity for storing water is formed in the bottom plate, water inlet holes for collecting water sprayed by the spray head into the containing cavity are formed between the four baffles on the upper end of the bottom plate, and a water delivery pipe for spraying water in the containing cavity from the spray head is arranged between the bottom plate and the crossbar.

[0011] Preferably, a fixing piece is fixedly installed on the upper end of the guide rod to prevent the guide rod from sliding out of the through groove in the mounting plate.

[0012] Preferably, the first limit board is arranged directly below the second limit board, and the first limit board and the second limit board are equal in size.

[0013] Compared with the prior art, the utility model has the following advantages:

[0014] The utility model drives the fixed frame to drive the rotating frame to rotate through the drive motor, which facilitates quick replacement of different upper die plates and lower die plates, avoids wasting too much time when manually replacing the upper die plate and the lower die plate, and facilitates the die casting of diversified aluminium alloy die castings by fixing multiple upper die plates and lower die plates on the rotating frame. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 A structure schematic view of the die casting device for the aluminum alloy die casting is provided in the utility model.

[0016] Figure 2 A front view schematic view of the die casting device for the aluminum alloy die casting is provided in the utility model.

[0017] Figure 3 An installation plate and a second limiting plate schematic view of the die casting device for the aluminum alloy die casting is provided in the utility model.

[0018] Figure 4 A placement plate and a first limiting plate schematic view of the die casting device for the aluminum alloy die casting is provided in the utility model.

[0019] In the figure: 1, bottom plate; 2, containing cavity; 3, water inlet hole; 4, baffle; 5, placement plate; 6, electric push rod; 7, first limiting plate; 8, hydraulic rod; 9, drive motor; 10, fixed frame; 11, rotating frame; 12, lower die plate; 13, upper die plate; 14, support column; 15, cross bar; 16, water delivery pipe; 17, spray head; 18, installation plate; 19, hydraulic cylinder; 20, second limiting plate; 21, guide rod; 22, fixed sheet; 23, connecting rod; 24, fixed nut. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0021] Reference Figures 1-4 A die casting device for an aluminum alloy die casting, comprising a bottom plate 1, a lower die plate 12 and an upper die plate 13, four support columns 14 in a rectangular arrangement are fixedly installed on the upper end of the bottom plate 1, and a cross bar 15 is fixedly installed on the middle part of two laterally arranged support columns 14, a spray head 17 is fixedly installed on the inner wall of the cross bar 15, an installation plate 18 is fixedly installed on the top of the four support columns 14, a hydraulic cylinder 19 is fixedly installed on the upper end center position of the installation plate 18, a second limiting plate 20 is fixedly installed on the bottom of the hydraulic cylinder 19, four baffles 4 connected with each other are fixedly installed on the upper end of the bottom plate 1 relative to the four support columns 14, a placement plate 5 is fixedly installed on the upper end of the bottom plate 1 relative to the four baffles 4, two symmetrically arranged electric push rods 6 are fixedly installed on the upper end of the placement plate 5, a first limiting plate 7 is fixedly installed on the upper end of the electric push rod 6, and a die casting mechanism for driving the upper die plate 13 and the lower die plate 12 to die cast aluminum alloy is arranged on the lower part of the second limiting plate 20 and the upper part of the first limiting plate 7.

[0022] The die-casting mechanism comprises two symmetrically arranged hydraulic rods 8, the ends of the two hydraulic rods 8 are fixedly provided with driving motors 9, the output ends of the two driving motors 9 are fixedly provided with fixed frames 10, the two fixed frames 10 are fixedly connected with a hollow rectangular rotating frame 11, a through hole is formed in the rotating frame 11, a connecting rod 23 is arranged in the through hole of the rotating frame 11, the connecting rod 23 is fixedly arranged on the inner walls of the upper die plate 13 and the lower die plate 12, a fixing nut 24 for fixing the connecting rod 23 is arranged on the outer wall of the connecting rod 23, the connecting rod 23 is arranged in the through hole of the rotating frame 11 through the internal fixed connection of the upper die plate 13 and the lower die plate 12, and then the connecting rod 23 is fixed through the fixing nut 24, so that the upper die plate 13 and the lower die plate 12 are convenient to replace and maintain.

[0023] Two symmetrically arranged through grooves are formed in the mounting plate 18, and a guide rod 21 is slidably arranged in the through groove in the mounting plate 18.

[0024] The bottom plate 1 is provided with a containing cavity 2 for storing water, and a water inlet hole 3 is formed between the four baffles 4 on the upper end of the bottom plate 1 for collecting water sprayed by the spray head 17 into the containing cavity 2, and a water delivery pipe 16 is arranged between the bottom plate 1 and the horizontal rod 15 for spraying water in the containing cavity 2 from the spray head 17.

[0025] A fixing piece 22 is fixedly arranged on the upper end of the guide rod 21 for preventing the guide rod 21 from sliding out of the through groove in the mounting plate 18.

[0026] The first limiting plate 7 is arranged directly below the second limiting plate 20, and the first limiting plate 7 and the second limiting plate 20 are equal in size.

[0027] The function principle of the utility model can be described by the following operation mode:

[0028] When different molds are needed to be replaced, the fixed frame 10 is driven to rotate by starting the driving motor 9, then the fixed frame 10 drives the rotating frame 11 to rotate, the upper mold plate 13 is switched, then the second limiting plate 20 is driven to move down by the hydraulic cylinder 19, the surface of the second limiting plate 20 and the upper mold plate 13 arranged on the upper portion of the rotating frame 11 are attached, the upper surface of the rotating frame 11 and the second limiting plate 20 are parallel, then the lower mold plate 12 is switched by the same method, when the switching is completed, the electric push rod 6 is extended and retracted, the first limiting plate 7 and the lower mold plate 12 arranged on the lower portion of the rotating frame 11 in the baffle 4 are attached, the lower mold plate 12 and the first limiting plate 7 are parallel, then the two rotating frames 11 are driven to move towards each other by the hydraulic rod 8 arranged on the upper portion of the placing plate 5 and the hydraulic rod 8 arranged on the lower portion of the mounting plate 18, in this process, the first limiting plate 7 and the second limiting plate 20 are always attached to the lower mold plate 12 and the upper mold plate 13 by the extension and retraction of the electric push rod 6 and the driving of the hydraulic cylinder 19, so that the molds are not inclined when the lower mold plate 12 and the upper mold plate 13 move towards each other, which causes the unqualified die-casting, then the molten aluminum alloy raw material is cooled by the water sprayed from the nozzle 17.

[0029] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A die casting apparatus for die casting an aluminum alloy, comprising a base plate (1), a lower die plate (12), and an upper die plate (13), characterized in that, The bottom plate (1) is fixedly installed with four rectangularly arranged supporting columns (14) at the upper end, and the middle part of two transversely arranged supporting columns (14) is fixedly installed with a cross bar (15), and the inner wall of the cross bar (15) is fixedly installed with a spray head (17), and the top of the four supporting columns (14) is fixedly installed with a mounting plate (18), and the upper end of the mounting plate (18) is fixedly installed with a hydraulic cylinder (19) at the central position, and the bottom of the hydraulic cylinder (19) is fixedly installed with a second limiting plate (20), and the upper end of the bottom plate (1) is fixedly installed with four interconnected baffles (4) between the four supporting columns (14), and the upper end of the bottom plate (1) is fixedly installed with a placing plate (5) between the four baffles (4), and the upper end of the placing plate (5) is fixedly installed with two symmetrically arranged electric push rods (6), and the upper end of the electric push rod (6) is fixedly installed with a first limiting plate (7), and the lower part of the second limiting plate (20) and the upper part of the first limiting plate (7) are provided with a die casting mechanism for driving the upper die plate (13) and the lower die plate (12) to die cast aluminum alloy.

2. The die casting apparatus of claim 1, wherein The die casting mechanism comprises two symmetrically arranged hydraulic rods (8), and the ends of the two hydraulic rods (8) are fixedly installed with drive motors (9), and the output ends of the two drive motors (9) are fixedly installed with fixed frames (10), and the two fixed frames (10) are fixedly connected with a hollow rectangular rotating frame (11), and the rotating frame (11) is provided with a through hole, and the through hole of the rotating frame (11) is provided with a connecting rod (23), and the connecting rod (23) is fixedly installed in the inner walls of the upper die plate (13) and the lower die plate (12) in a rectangular shape, and the outer wall of the connecting rod (23) is provided with a fixed nut (24) for fixing the connecting rod (23).

3. The die casting apparatus of claim 1, wherein Two symmetrically arranged through grooves are formed in the mounting plate (18), and a guide rod (21) is slidably arranged in the through groove in the mounting plate (18), and the bottom of the guide rod (21) is fixedly connected with the upper wall of the second limiting plate (20).

4. The die casting apparatus of claim 1, wherein The bottom plate (1) is provided with a containing cavity (2) for storing water, and the upper end of the bottom plate (1) is provided with a water inlet hole (3) for collecting water sprayed by the spray head (17) into the containing cavity (2) between the four baffles (4), and the bottom plate (1) and the cross bar (15) are provided with a water delivery pipe (16) for spraying water in the containing cavity (2) from the spray head (17).

5. The die casting apparatus of claim 3, wherein A fixing piece (22) is fixedly installed at the upper end of the guide rod (21) to prevent the guide rod (21) from sliding out of the through groove in the mounting plate (18).

6. The die casting apparatus of claim 1, wherein The first limiting plate (7) is arranged directly below the second limiting plate (20), and the first limiting plate (7) and the second limiting plate (20) are equal in size.

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