Aluminum alloy casting mold with exhaust holes

Abstract

The utility model relates to the field of aluminum alloy casting molds, in particular to an aluminum alloy casting mold with exhaust holes, which comprises a supporting plate, a lower mold is mounted on the upper end face of the supporting plate, an upper mold is mounted on the upper end face of the lower mold, and a mold cavity is formed between the opposite sides of the lower mold and the upper mold. An exhaust ring is installed between the lower mold and the upper mold, a plurality of exhaust grooves distributed at equal intervals are formed in the front, the rear, the left and the right of the interior of the exhaust ring, and a plurality of exhaust holes communicated with the exhaust grooves are formed in the front, the rear, the left and the right of the exhaust ring. Part of gas in the mold cavity can be exhausted through the gas outlets during mold closing, then the gas exhaust efficiency can be further improved by installing the gas exhaust ring between the upper mold and the lower mold, specifically, the gas enters the multiple gas exhaust grooves and then is exhausted through the gas exhaust holes, and the gas exhaust efficiency can be improved by arranging the multiple gas exhaust holes in the front, back, left and right directions; and a better exhaust effect is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of aluminum alloy casting molds, in particular to an aluminum alloy casting mold with exhaust holes. Background Art

[0002] In the metallurgical industry, aluminum alloy metal casting molds are molds used for pouring cast aluminum in the aluminum casting process. They are widely used in aluminum casting equipment of aluminum alloy casting enterprises. High-temperature molten aluminum is injected into the mold through the pouring port on the mold, and the desired shape can be obtained after cooling.

[0003] In the production process of cast aluminum alloy, an aluminum alloy casting mold is needed. When the existing aluminum alloy casting mold is used, after the mold is closed, the bubbles in the molten aluminum alloy casting liquid cannot be quickly discharged, which affects the quality of the aluminum alloy product.

[0004] At present, during the operation of the aluminum alloy casting mold, the air inside the mold cavity cannot be discharged during the mold closing process, resulting in cracking of the molded product. Therefore, it is necessary to propose an aluminum alloy casting mold with exhaust holes to solve the above-mentioned problem. Utility Model Content

[0005] The utility model aims to provide an aluminum alloy casting mold with exhaust holes, which has the characteristics of further improving the gas exhaust efficiency through the exhaust ring, specifically, allowing the gas to pass through a plurality of exhaust holes arranged in the front, back, left and right directions to improve the exhaust efficiency and achieve a better exhaust effect.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an aluminum alloy casting mold with exhaust holes, comprising a support plate, a lower mold is installed on the upper end surface of the support plate, an upper mold is installed on the upper end surface of the lower mold, a mold cavity is formed between the lower mold and the upper mold on opposite sides, an exhaust ring is installed between the lower mold and the upper mold, a plurality of exhaust grooves equidistantly distributed are opened in the front, back, left and right of the exhaust ring, and a plurality of exhaust holes connected to the exhaust grooves are opened in the front, back, left and right of the exhaust ring;

[0007] Two air outlet holes are arranged on the front and rear sides of the upper mold.

[0008] In order to block impurities in the exhaust gas and dehumidify it, as a preferred aluminum alloy casting mold with an exhaust hole of the utility model, the upper end surface of the upper mold is detachably connected to a processing chamber, and the interior of the processing chamber is installed with an activated carbon adsorption plate and a dehumidification plate located above the activated carbon adsorption plate through a mounting plate.

[0009] In order to allow the gas in the mold cavity to be discharged smoothly, as a preferred embodiment of the aluminum alloy casting mold with an exhaust hole of the utility model, a blocking net is installed on one side of the exhaust groove close to the mold cavity.

[0010] In order to improve the gas exhaust efficiency, as a preferred aluminum alloy casting mold with exhaust holes of the utility model, the upper end surface of the processing chamber is connected with a cover plate through a fixing pin, and four circular holes are opened through the upper end surface of the cover plate.

[0011] In order to close the upper mold with the lower mold, as a preferred aluminum alloy casting mold with exhaust holes of the utility model, positioning columns are fixedly connected to the four corners of the upper end surface of the support plate, and the upper end surfaces of the four positioning columns are installed with a top plate, and the upper end surface of the top plate is installed with a cylinder whose output end is fixedly connected to the processing chamber.

[0012] In order to make the upper mold move up and down stably, as a preferred aluminum alloy casting mold with exhaust holes of the utility model, a feed port is opened on the upper end surface of the upper mold, and two sliding sleeves slidably connected to the positioning column are fixedly connected to the left and right sides of the upper mold.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] The utility model firstly moves the upper mold downward to close the mold with the lower mold. When closing the mold, the gas in the mold cavity can be partially discharged through the air outlet holes. Secondly, an exhaust ring is installed between the upper mold and the lower mold to further improve the gas exhaust efficiency. Specifically, the gas enters into multiple exhaust grooves and is then discharged through the exhaust holes. Moreover, multiple exhaust holes are arranged in front, behind, left and right to improve the exhaust efficiency and achieve a better exhaust effect. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0016] Figure 2 This is a structural diagram of the exhaust ring of the utility model;

[0017] Figure 3 This is a structural diagram of the processing chamber of the utility model.

[0018] In the figure: 1. support plate; 101. positioning column; 102. top plate; 103. cylinder; 2. lower mold; 3. exhaust ring; 301. exhaust hole; 302. exhaust groove; 4. upper mold; 401. exhaust hole; 402. sliding sleeve; 5. processing chamber; 501. activated carbon adsorption plate; 502. dehumidification plate; 503. cover plate. DETAILED DESCRIPTION

[0019] See also Figures 1 to 3, an aluminum alloy casting mold with exhaust holes, comprising a support plate 1, a lower mold 2 is installed on the upper end surface of the support plate 1, an upper mold 4 is installed on the upper end surface of the lower mold 2, a mold cavity is formed between the lower mold 2 and the upper mold 4 on opposite sides, an exhaust ring 3 is installed between the lower mold 2 and the upper mold 4, a plurality of exhaust grooves 302 are opened in the front, back, left and right of the exhaust ring 3, and a plurality of exhaust holes 301 connected to the exhaust grooves 302 are opened in the front, back, left and right of the exhaust ring 3;

[0020] Two air outlet holes 401 are provided on the front and rear sides of the upper mold 4 .

[0021] In the present embodiment: the upper mold 4 is moved downward to close the mold with the lower mold 2. While closing the mold, the gas in the mold cavity can be partially discharged through the air outlet holes 401. Secondly, an exhaust ring 3 is installed between the upper mold 4 and the lower mold 2 to further improve the gas exhaust efficiency. Specifically, the gas enters into a plurality of exhaust grooves 302 and is then discharged through the exhaust holes 301. Moreover, by arranging a plurality of exhaust holes 301 in the front, back, left and right directions, the exhaust efficiency can be improved to achieve a better exhaust effect.

[0022] As a technical optimization solution of the utility model, the upper end surface of the upper mold 4 is detachably connected to the processing chamber 5, and the inside of the processing chamber 5 is installed with an activated carbon adsorption plate 501 and a dehumidification plate 502 located above the activated carbon adsorption plate 501 through a mounting plate.

[0023] In this embodiment, the gas discharged through the circular holes can pass through the activated carbon adsorption plate 501 and the dehumidification plate 502 in sequence, thereby blocking impurities in the exhaust gas, dehumidifying the gas, and then discharging the gas.

[0024] As a technical optimization solution of the present invention, a blocking net is installed on one side of the exhaust groove 302 close to the mold cavity.

[0025] In this embodiment: the gas in the mold cavity can be discharged smoothly through the blocking net.

[0026] As a technical optimization solution of the present invention, the upper end surface of the processing chamber 5 is connected to a cover plate 503 via a fixing pin, and four circular holes are formed through the upper end surface of the cover plate 503 .

[0027] In this embodiment, the cover plate 503 is opened to facilitate maintenance of its internal structure, and the gas exhaust efficiency can be further improved through the circular holes.

[0028] As a technical optimization solution of the utility model, positioning columns 101 are fixedly connected at the four corners of the upper end surface of the support plate 1, a top plate 102 is installed on the upper end surface of the four positioning columns 101, and a cylinder 103 whose output end is fixedly connected to the processing chamber 5 is installed on the upper end surface of the top plate 102.

[0029] In this embodiment, by starting the air cylinder 103 , the air cylinder 103 can push the upper mold 4 downward, thereby closing the mold with the lower mold 2 .

[0030] As a technical optimization solution of the utility model, a feed port is provided on the upper end surface of the upper mold 4 , and two sliding sleeves 402 slidably connected to the positioning column 101 are fixedly connected to the left and right sides of the upper mold 4 .

[0031] In this embodiment: the material body is added into the mold cavity through the feed port, and the upper mold 4 can move up and down stably through the sliding sleeve 402.

[0032] Working principle: First, the upper mold 4 is moved down to close the mold with the lower mold 2. While closing the mold, the gas in the mold cavity can be partially discharged through the air outlet 401. Secondly, the exhaust ring 3 is installed between the upper mold 4 and the lower mold 2 to further improve the gas exhaust efficiency. Specifically, the gas enters multiple exhaust grooves 302 and is then discharged through the exhaust holes 301. By arranging multiple exhaust holes 301 in the front, back, left and right directions, the exhaust efficiency can be improved to achieve a better exhaust effect. The gas discharged through the circular holes can pass through the activated carbon adsorption plate 501 and the dehumidification plate 502 in turn, thereby blocking the impurities in the exhaust gas, dehumidifying it, and then discharging it.

[0033] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An aluminum alloy casting mold with exhaust holes, comprising a support plate (1), a lower mold (2) is mounted on the upper end surface of the support plate (1), an upper mold (4) is mounted on the upper end surface of the lower mold (2), and a mold cavity is formed between the opposite sides of the lower mold (2) and the upper mold (4), characterized in that: An exhaust ring (3) is installed between the lower mold (2) and the upper mold (4); a plurality of exhaust grooves (302) are provided at equal intervals in the front, back, left, and right sides of the exhaust ring (3); and a plurality of exhaust holes (301) are provided in the front, back, left, and right sides of the exhaust ring (3) and are connected to the exhaust grooves (302); Two air outlet holes (401) are provided on the front and rear sides of the upper mold (4).

2. The aluminum alloy casting mold with exhaust holes according to claim 1, characterized in that: The upper end surface of the upper mold (4) is detachably connected to a processing chamber (5), and an activated carbon adsorption plate (501) and a dehumidification plate (502) located above the activated carbon adsorption plate (501) are installed inside the processing chamber (5) via a mounting plate.

3. The aluminum alloy casting mold with exhaust holes according to claim 1, characterized in that: A blocking net is installed on one side of the exhaust groove (302) close to the mold cavity.

4. The aluminum alloy casting mold with exhaust holes according to claim 2, characterized in that: The upper end surface of the processing chamber (5) is connected to a cover plate (503) via a fixing pin, and four circular holes are formed through the upper end surface of the cover plate (503).

5. The aluminum alloy casting mold with exhaust holes according to claim 1, characterized in that: Positioning columns (101) are fixedly connected at the four corners of the upper end surface of the support plate (1), a top plate (102) is installed on the upper end surfaces of the four positioning columns (101), and a cylinder (103) whose output end is fixedly connected to the processing chamber (5) is installed on the upper end surface of the top plate (102).

6. The aluminum alloy casting mold with exhaust holes according to claim 1, characterized in that: A feed port is provided on the upper end surface of the upper mold (4), and two sliding sleeves (402) slidably connected to the positioning pillars (101) are fixedly connected to the left and right sides of the upper mold (4).

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