Die casting system for aluminum alloy products

The non-contact demoulding technology of hydraulic cylinder and electric push rod in conjunction with drive motor gear solves the problem of surface damage of aluminum alloy die-casting device during demoulding process, and achieves high-quality aluminum alloy die-casting.

CN223441072UActive Publication Date: 2025-10-17LE BELIER LVSHUN (DALIAN)FOUNDRY CO LTD
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Patent Information

Application Number
CN202422682021.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-05
Publication Date
2025-10-17
Estimated Expiration
2034-11-05

AI Technical Summary

Technical Problem

Existing aluminum alloy die-casting devices are prone to damage the surface of die-cast parts during the demoulding process, affecting the quality.

Method used

The hydraulic cylinder controls the lifting of the upper module unit and the electric push rod controls the lifting of the piston and heater. The drive motor drives the gear to shift the lower module unit to achieve non-contact demoulding.

Benefits of technology

The surface quality of aluminum alloy die castings is improved, the surface of the aluminum alloy after die casting is protected, and surface damage is avoided.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223441072U_ABST
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Abstract

The utility model discloses a die casting system for aluminum alloy products, which relates to the technical field of aluminum alloy die casting and comprises a base, four limiting slide bars are uniformly and fixedly arranged above the base, a die stripping device is arranged among the four limiting slide bars and above the base, a plurality of lower die block units are arranged above the die stripping device, and a plurality of lower die block units are arranged above the lower die block units. A top plate is fixedly arranged above the four limiting sliding rods, a hydraulic cylinder is fixedly arranged on the lower end face of the top plate, an upper module unit is arranged on the limiting sliding rods in a sliding mode, the upper end face of the upper module unit is fixedly connected with an output shaft of the hydraulic cylinder, a liquid conveying hopper is fixedly arranged on one side of the top plate, and the upper module unit is communicated with the liquid conveying hopper through a guide pipe. The upper module unit is controlled to ascend and descend through the hydraulic cylinder, aluminum alloy can be conveniently subjected to die casting, liquid aluminum alloy solution can be conveniently poured through the liquid conveying hopper, and the pouring efficiency is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to aluminum alloy die casting technical field, concretely is a kind of for aluminum alloy product's die casting system. BACKGROUND

[0002] Aluminum alloy die casting is a kind of efficient metal forming process, is widely used in automobile, electronics, machinery and other fields.The process is by molten aluminum alloy with high pressure injection precision mold, rapid cooling forming, with excellent surface finish and complex shape forming capacity.The advantage of aluminum alloy die casting is that its production efficiency is high, cost is low, finished product size precision is high.Because aluminum alloy itself has lightweight, high strength, corrosion resistance and other characteristics, die casting usually can reduce weight while maintaining good mechanical properties.

[0003] The utility model of a kind of aluminum alloy die casting device is disclosed in authorized announcement No.CN220717735U, the utility model is cooperated by several slidable mounting plates and upper top component, under the pressure of hydraulic ram, aluminum alloy is die cast, the cooperation of meshing ring and first gear can take each mounting plate away from each other, and then complete demolding.

[0004] The above-mentioned device can achieve the purpose of demolding aluminum alloy, but the device only uses multiple mounting plates to move outward for demolding, and still inevitably contacts the surface of aluminum alloy die casting, which still causes damage to the surface of aluminum alloy die casting and affects the quality of aluminum alloy die casting, so a device that can improve the demolding quality of aluminum alloy die casting is needed. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a kind of die casting system for aluminum alloy product to solve the problems raised in the above background.

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

[0007] A kind of die casting system for aluminum alloy product, including base, four limit sliding rods are uniformly fixed on the top of the base, and a demolding device is arranged on the top of the base between the four limit sliding rods, a plurality of lower die units are arranged on the top of the demolding device, a top plate is fixedly arranged on the top of the four limit sliding rods, a hydraulic cylinder is fixedly arranged on the lower end surface of the top plate, an upper die unit is slidably arranged on the limit sliding rod, and the upper end surface of the upper die unit is fixedly connected with the output shaft of the hydraulic cylinder, a liquid feeding hopper is fixedly arranged on one side of the top plate, and the upper die unit is communicated with the liquid feeding hopper through a conduit.

[0008] As a further scheme of the utility model: the number of lower die units is preferably three.

[0009] As a further scheme of the utility model: the dismantling device includes first casing and drive motor, the first casing top is provided with base, the first casing and base between be provided with hollow ladder shaft, hollow ladder shaft inside bottom fixed setting has electric push rod, electric push rod output shaft end fixed setting has piston, the heater is fixedly arranged above the piston, the hollow ladder shaft is provided with air inlet pipe and air inlet pipe passes through first casing lateral wall, the hollow ladder shaft top between air inlet pipe and base is rotatably installed with second gear through bearing, the second gear upper end surface is provided with screw portion, the lower module unit lower end surface is fixedly provided with the fixed block that cooperates with base, the fixed block is opened and is provided with recess that cooperates with screw portion on, drive motor output shaft passes through first casing lateral wall and extends to first casing inside, drive motor output shaft end fixed setting has first gear and first gear meshes with second gear.

[0010] As a further scheme of the utility model: the air inlet pipe is provided with electromagnetic valve.

[0011] As a further scheme of the utility model: the heater upper end surface and lower module unit inside bottom height are same.

[0012] Compared with the prior art, the utility model has the beneficial effects as follows:

[0013] 1, through the hydraulic cylinder control upper module unit ascension and decline, it is convenient to the pressure casting of aluminum alloy, and the liquid material hopper is convenient for the pouring of liquid aluminum alloy solution, improves the pouring efficiency;

[0014] 2, through electric push rod control piston and heater lift, it is convenient for air inlet pipe to import compressed air, and the aluminum alloy after pressure casting is initially demoulded, drive motor drives second gear rotation, and then drives lower module unit displacement to the outside, and then lets the aluminum alloy after primary demoulding completely demould, protects the aluminum alloy surface after pressure casting, improves aluminum alloy pressure casting quality. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is three-dimensional structure schematic view of the utility model.

[0016] Fig. 2 It is main view structure schematic view of the utility model.

[0017] Fig. 3 It is local section structure schematic view of the utility model.

[0018] Fig. 4 It is the explosion map of dismantling device in the utility model.

[0019] Reference signs annotation: 1, base; 2, limit slide bar; 3, lower module unit; 31, fixed block; 4, upper module unit; 5, mold dismounting device; 51, first shell; 52, hollow stepped shaft; 53, electric push rod; 54, piston; 55, heater; 56, air inlet pipe; 57, electromagnetic valve; 58, driving motor; 59, first gear; 510, second gear; 511, threaded part; 512, base; 6, liquid delivery hopper; 7, conduit; 8, top plate; 9, hydraulic cylinder. DETAILED DESCRIPTION

[0020] The following embodiments will be described in detail with reference to the accompanying drawings, in the drawings or the description, similar or identical parts use the same reference signs, and in practical application, the shape, thickness or height of each component can be enlarged or reduced. The embodiments listed in the present application are only used to illustrate the present application, and are not used to limit the scope of the present application. Any obvious modification or change made to the present application does not deviate from the spirit and scope of the present application.

[0021] EMBODIMENT

[0022] Please refer to Figs. 1-4 , a die casting system for aluminum alloy products, comprising a base 1, four limit slide bars 2 are uniformly fixed on the top of the base 1, a mold dismounting device 5 is arranged on the top of the base 1 between the four limit slide bars 2, a plurality of lower module units 3 are arranged on the top of the mold dismounting device 5, the number of the lower module units 3 is preferably three, a top plate 8 is fixedly arranged on the top of the four limit slide bars 2, a hydraulic cylinder 9 is fixedly arranged on the lower end surface of the top plate 8, an upper module unit 4 is slidably arranged on the limit slide bar 2 and the upper end surface of the upper module unit 4 is fixedly connected with the output shaft of the hydraulic cylinder 9, a liquid delivery hopper 6 is fixedly arranged on one side of the top plate 8, the upper module unit 4 and the liquid delivery hopper 6 are communicated through a conduit 7, the upper module unit 4 is controlled to rise and fall by the hydraulic cylinder 9, which is convenient for die casting of aluminum alloy, the liquid delivery hopper 6 is convenient for pouring of liquid aluminum alloy solution, and the pouring efficiency is improved.

[0023] The demolding device 5 comprises a first housing 51, a base 512 arranged above the first housing 51, a hollow stepped shaft 52 arranged between the first housing 51 and the base 512, an electric push rod 53 fixedly arranged at the inside bottom of the hollow stepped shaft 52, a piston 54 fixedly arranged at the output shaft end of the electric push rod 53, a heater 55 fixedly arranged above the piston 54, an air inlet pipe 56 arranged on the hollow stepped shaft 52 and penetrating through the side wall of the first housing 51, an electromagnetic valve 57 arranged on the air inlet pipe 56, a second gear 510 rotatably arranged at the top of the hollow stepped shaft 52 between the air inlet pipe 56 and the base 512 through a bearing, a threaded portion 511 arranged on the upper end surface of the second gear 510, a fixed block 31 fixedly arranged on the lower end surface of the lower mold unit 3 and matched with the base 512, a groove arranged on the fixed block 31 and matched with the threaded portion 511, the upper end surface of the heater 55 being the same in height with the inside bottom surface of the lower mold unit 3, the output shaft of a driving motor 58 extending to the inside of the first housing 51 through the side wall of the first housing 51, a first gear 59 fixedly arranged at the output shaft end of the driving motor 58 and engaged with the second gear 510, the piston 54 and the heater 55 being controlled to ascend and descend through the electric push rod 53, so that the compressed air is input into the air inlet pipe 56, the aluminum alloy after pressure casting is preliminarily demolded, the driving motor 58 drives the second gear 510 to rotate, thereby driving the lower mold unit 3 to displace outward, so that the aluminum alloy after preliminary demolding is completely demolded, the surface of the aluminum alloy after pressure casting is protected, and the pressure casting quality of the aluminum alloy is improved.

[0024] When the device is used, the hydraulic cylinder 9 is started to let the upper mold unit 4 descend, the aluminum alloy solution is injected through the liquid feeding hopper 6 and the conduit 7 when the lower mold unit 3 and the upper mold unit 4 are engaged, the upper mold unit 4 is lifted by starting the hydraulic cylinder 9 after the aluminum alloy is formed by pressure casting, the piston 54 and the heater 55 are lowered to the lowest point by starting the electric push rod 53, the electromagnetic valve 57 is opened, the compressed air is delivered to the aluminum alloy after pressure casting through the air inlet pipe 56, the aluminum alloy after pressure casting is preliminarily demolded, the lower mold unit 3 is displaced outward by starting the driving motor 58, thereby letting the aluminum alloy be completely demolded.

[0025] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered in all aspects as exemplary and non-restrictive, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and range of equivalents of the elements of the claims are intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims involved.

[0026] Furthermore, it should be understood that although the specification is described in terms of embodiments, not every embodiment includes only one independent technical solution, and the specification is described in this way only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. A die-casting system for aluminum alloy products, comprising a base (1), characterized in that: Four limiting slide bars (2) are evenly fixedly arranged above the base (1); a demoulding device (5) is arranged between the four limiting slide bars (2) and located above the base (1); a plurality of lower module units (3) are arranged above the demoulding device (5); a top plate (8) is fixedly arranged above the four limiting slide bars (2); a hydraulic cylinder (9) is fixedly arranged on the lower end surface of the top plate (8); an upper module unit (4) is slidably arranged on the limiting slide bars (2); and the upper end surface of the upper module unit (4) is fixedly connected to the output shaft of the hydraulic cylinder (9); an infusion hopper (6) is fixedly arranged on one side of the top plate (8); and the upper module unit (4) is connected to the infusion hopper (6) through a conduit (7).

2. The die casting system for aluminum alloy products according to claim 1, characterized in that: The number of the lower module units (3) is preferably three.

3. The die casting system for aluminum alloy products according to claim 1, characterized in that: The demoulding device (5) comprises a first shell (51) and a driving motor (58), a base (512) is provided above the first shell (51), a hollow stepped shaft (52) is provided between the first shell (51) and the base (512), an electric push rod (53) is fixedly provided at the bottom of the inner side of the hollow stepped shaft (52), a piston (54) is fixedly provided at the end of the output shaft of the electric push rod (53), a heater (55) is fixedly provided above the piston (54), an air intake pipe (56) is provided on the hollow stepped shaft (52), and the air intake pipe (56) passes through the side wall of the first shell (51), and the top of the hollow stepped shaft (52) is provided with an electric push rod (53). A second gear (510) is rotatably mounted between the air inlet pipe (56) and the base (512) via a bearing. The upper end surface of the second gear (510) is provided with a threaded portion (511). A fixing block (31) that cooperates with the base (512) is fixedly provided on the lower end surface of the lower module unit (3). A groove that cooperates with the threaded portion (511) is provided on the fixing block (31). The output shaft of the drive motor (58) passes through the side wall of the first housing (51) and extends to the inner side of the first housing (51). A first gear (59) is fixedly provided at the end of the output shaft of the drive motor (58), and the first gear (59) is meshed with the second gear (510).

4. The die casting system for aluminum alloy products according to claim 3, characterized in that: The air inlet pipe (56) is provided with a solenoid valve (57).

5. The die casting system for aluminum alloy products according to claim 4, characterized in that: The upper end surface of the heater (55) is at the same height as the inner bottom surface of the lower module unit (3).

Citation Information

Patent Citations

  • Aluminum alloy die-casting device

    CN220717735U