Aluminum alloy product gravity casting mold

Abstract

The utility model discloses a gravity casting mold for aluminum alloy products. The gravity casting mold comprises a rack, an upper mold, a lower mold, a lifting plate and a jacking device, the machine frame comprises a platform, and the lower die is horizontally lifted and connected to the platform. The jacking device is connected to the platform, the upper die is horizontally connected to the power output end of the lower die, and the jacking device drives the upper die to be close to or away from the lower die. The upper mold moves downwards to be in contact with the lower mold to define a cavity, and a pouring gate is formed in the upper mold above the cavity. Compared with the prior art, in the working process, molten aluminum is poured into a mold cavity, cooled, then the upper mold is jacked up through the oil cylinder and then moved upwards to eject a product through the ejection plate, production is circulated, the structure is simple and reliable, operation is convenient, production efficiency is high, the mold and equipment investment cost is low, and the production cost of enterprises is saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to aluminum alloy foundry technical field especially relates to a kind of aluminum alloy product gravity casting mould. BACKGROUND

[0002] Auto parts are the various units that constitute the whole car and a kind of product serving the car. There are many kinds of auto parts, and with the improvement of people's living standards, people's consumption of cars is also more and more, and the market of auto parts becomes more and more large, and in recent years, auto parts manufacturers are also developing rapidly.

[0003] Aluminum alloy is widely used in the production of automobile parts due to its high tensile strength, good elongation, excellent corrosion resistance and low cost. With the increasing demand for aluminum alloy castings, how to manufacture aluminum alloy castings with excellent performance for automobile parts is becoming more and more important. In the prior art, most of the production of aluminum alloy wheel hubs is by mold casting.

[0004] The traditional casting mold structure is complex, the operation is troublesome and the production efficiency is low, and the mold and equipment investment cost is high. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of aluminum alloy product gravity casting mould, and the molten aluminum is poured into the mold cavity, and then the oil cylinder is lifted up, and then the product is pushed out by the ejection plate, and the cycle production is carried out, the structure is simple and reliable, the operation is convenient and the production efficiency is high, and the mold and equipment investment cost is lower, the production cost of enterprise is saved, to solve the problems raised in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] An aluminum alloy product gravity casting mould, comprising a frame, an upper mold, a lower mold, a lifting plate and a lifting device; the frame comprises a platform, and the lower mold is connected to the platform horizontally; the lifting device is connected to the platform, and the upper mold is connected to the power output end of the lower mold horizontally; the lifting device drives the upper mold to approach or move away from the lower mold; the upper mold moves downward and contacts with the lower mold to form a cavity, and the upper mold above the cavity is provided with a sprue.

[0008] The further improvement scheme of the utility model is that the platform is connected with a support plate, the support plate is connected with a support column, and the lower mold is connected to the top end of the support column.

[0009] The further improvement scheme of the utility model is that the lifting device is an oil cylinder, the oil cylinder is connected to the bottom of the platform, and the piston rod of the oil cylinder extends above the platform.

[0010] The further improved scheme of the utility model discloses that the power output end of the oil cylinder is connected with a lifting plate, the lifting plate is connected with a lifting rod, and the upper die is connected with the top end of the lifting rod.

[0011] The further improved scheme of the utility model discloses that the lifting plate is connected with a sliding sleeve, and the supporting column is slidingly matched with the sliding sleeve.

[0012] The further improved scheme of the utility model discloses that the lifting plate is slidingly matched with a guide rod, the top end of the guide rod is connected with an ejection plate, the top of the ejection plate is connected with a thimble, and the top end of the thimble can pass through the lower die and extend into the cavity.

[0013] The further improved scheme of the utility model discloses that the ejection plate is slidingly matched with the supporting column.

[0014] The further improved scheme of the utility model discloses that the platform bottom four corner places are connected with supporting legs.

[0015] The utility model discloses the beneficial effect that:

[0016] The utility model discloses the aluminum alloy product gravity casting mold, and the aluminum liquid is poured into the mold cavity and waits for its cooling and then is first lifted up the upper die through the oil cylinder, and then the product is ejected through the ejection plate and is moved upwards, and the circulation production is like this, and the structure is simple and reliable, convenient operation and high production efficiency.

[0017] The utility model discloses the aluminum alloy product gravity casting mold, and since the additional pressure and force are not needed, energy consumption and equipment maintenance cost can be reduced.

[0018] The utility model discloses the aluminum alloy product gravity casting mold, and the generation of such as porosity, inclusion and other defects can be effectively reduced, and the density and quality of the casting are improved. Due to the uniformity of gravity, the size and shape of the casting are also more accurate. DRAWINGS

[0019] Figure 1 It is the whole structure schematic view of the utility model.

[0020] Figure 2 It is the local structure schematic view of the utility model.

[0021] In the drawing: 1 - frame, 101 - platform, 102 - supporting leg, 2 - upper die, 201 - sprue, 3 - lower die, 4 - lifting plate, 5 - cavity, 6 - oil cylinder, 7 - lifting rod, 8 - sliding sleeve, 9 - guide rod, 10 - ejection plate, 11 - thimble, 12 - supporting plate, 13 - supporting column. CONCRETE IMPLEMENTATION

[0022] The utility model is further illustrated below in combination with the drawings and specific embodiments.

[0023] Embodiment 1: asFigure 1 、 2 As shown in FIGS. 1-5, a gravity casting mold for an aluminum alloy product includes a frame 1, an upper mold 2, a lower mold 3, a lifting plate 4, and a jacking device; the frame 1 includes a platform 101, and the lower mold 3 is horizontally elevated and connected to the platform 101; the jacking device is connected to the platform 101, and the upper mold 2 is horizontally connected to a power output end of the lower mold 3; the jacking device drives the upper mold 2 to approach or move away from the lower mold 3; the upper mold 2 moves downward to contact and enclose the lower mold 3 to form a mold cavity 5, and the upper mold 2 above the mold cavity 5 is provided with a sprue 201.

[0024] The platform 101 is connected with a support plate 12, the support plate 12 is connected with a support column 13, and the lower mold 3 is connected to a top end of the support column 13.

[0025] The jacking device is an oil cylinder 6, the oil cylinder 6 is connected to a bottom of the platform 101, and a piston rod of the oil cylinder 6 extends above the platform 101.

[0026] The power output end of the oil cylinder 6 is connected with the lifting plate 4, the lifting plate 4 is connected with a lifting rod 7, and the upper mold 2 is connected to a top end of the lifting rod 7.

[0027] The lifting plate 4 is connected with a sliding sleeve 8, and the support column 13 is slidingly fitted in the sliding sleeve 8.

[0028] The lifting plate 4 is slidingly fitted in a guide rod 9, a top end of the guide rod 9 is connected with an ejection plate 10, an upper portion of the ejection plate 10 is connected with a ejector pin 11, and a top end of the ejector pin 11 can pass through the lower mold 3 and extend into the mold cavity 5.

[0029] The ejection plate 10 is slidingly fitted in the support column 13.

[0030] Four corners of the bottom of the platform 101 are connected with support legs 102.

[0031] The specific working principle of the utility model is as follows:

[0032] In work, the aluminum liquid is poured into the mold cavity 5, after cooling, the oil cylinder 6 is extended, the lifting plate 4 is moved upward, and the upper mold 2 can be lifted first; the lifting plate 4 continues to move upward, the sliding sleeve 8 contacts and pushes the ejection plate 10, and the ejector pin 11 on the ejection plate 10 ejects the product, and the cycle is repeated for production. The utility model has the advantages of simple and reliable structure, convenient operation, high production efficiency, no additional pressure and force, and reduced energy consumption and equipment maintenance cost.

[0033] The above-mentioned embodiments only illustrate the technical concept and characteristics of the present application, and the purpose is to enable those skilled in the art to understand the content of the present application and to implement it, and cannot limit the protection scope of the present application. Any equivalent transformation or modification according to the spirit and essence of the present application should be covered within the protection scope of the present application.

Claims

1. An aluminum alloy product gravity casting mold characterized by: Including frame (1), upper die (2), lower die (3), lifting plate (4) and jacking device;The frame (1) includes platform (101), and the lower die (3) is horizontally elevated and connected on the platform (101);The jacking device is connected on the platform (101), and the upper die (2) is horizontally connected on the power output end of the lower die (3), and the jacking device drives the upper die (2) to approach or away from the lower die (3);The upper die (2) moves downward and contacts with the lower die (3) and is enclosed to form a cavity (5), and the upper die (2) above the cavity (5) is provided with a gate (201).

2. A gravity casting mold for an aluminum alloy product as recited in claim 1, characterized by: The platform (101) is connected with the support plate (12), the support plate (12) is connected with the support column (13), and the lower die (3) is connected with the top end of the support column (13).

3. An aluminum alloy product gravity casting mold as recited in claim 2, characterized by: The jacking device is an oil cylinder (6), the oil cylinder (6) is connected to the bottom of the platform (101), and the piston rod of the oil cylinder (6) extends above the platform (101).

4. An aluminum alloy product gravity casting mold as recited in claim 3 wherein: The power output end of the oil cylinder (6) is connected with the lifting plate (4), the lifting plate (4) is connected with the lifting rod (7), and the top end of the upper die (2) is connected with the lifting rod (7).

5. An aluminum alloy product gravity casting mold as recited in claim 4, characterized by: The lifting plate (4) is connected with the sliding sleeve (8), and the support column (13) is slidingly fitted in the sliding sleeve (8).

6. An aluminum alloy product gravity casting mold as recited in claim 2, characterized by: The lifting plate (4) is slidingly fitted in the guide rod (9), the top end of the guide rod (9) is connected with the ejection plate (10), the top of the ejection plate (10) is connected with the ejector pin (11), and the top end of the ejector pin (11) can pass through the lower die (3) and extend into the cavity (5).

7. An aluminum alloy product gravity casting mold as recited in claim 6, characterized by: The ejection plate (10) is slidingly fitted in the support column (13).

8. An aluminum alloy product gravity casting mold as recited in claim 1, characterized by: The bottom of the platform (101) is connected with the support leg (102) at four corners.

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