Casting mould box capable of directionally discharging casting waste gas

Abstract

The utility model belongs to the technical field of casting processing, and particularly relates to a casting mould box capable of directionally discharging casting waste gas, which comprises a box cover and a box body, the box cover covers the top of the box body, a discharge port is arranged at the bottom of the box body, a sealing cover is arranged at the discharge port, a gas outlet pipe is arranged at the bottom of the box body, a filter screen is arranged at the gas outlet pipe, and the filter screen is arranged at the bottom of the box body. A vibrator is arranged on the outer side wall of the box body, a plurality of supporting legs are arranged on the box body, shock absorbers are arranged at the bottoms of the supporting legs, a discharging port is formed in the bottom of the box body, after casting is completed, molding sand in the box body can flow out by opening a sealing cover, the box body does not need to be hoisted, and then the molding sand is poured out. And meanwhile, the vibrator is arranged on the outer side of the box body, and the molding sand adhered to the inner wall of the box body falls off through the vibrator, so that the labor force for manually cleaning the molding sand is reduced, and the molding sand model can be recycled as soon as possible, so that the waste heat of the molding sand is fully utilized.

Description

Technical Field

[0001] The utility model relates to the technical field of casting processing, in particular to a casting mold box for directional discharge of casting waste gas. Background Art

[0002] The casting mold box is used for lost foam casting. The casting mold box plays a role in preventing collapse. First, a sand mold is buried inside the casting mold box, and a foam model is placed inside the sand mold. As the molten iron is poured, the foam model disappears and melts. When the foam model melts, some harmful gases are generated. When the casting mold box is opened, the harmful gases are emitted in the workshop, affecting the health of the workers. For this reason, a casting mold box with directional exhaust gas emission is proposed.

[0003] CN206662193U discloses a casting mold box for directional emission of casting waste gas, comprising a box cover, a box body and a molding sand layer located in the box body. The exhaust pipe interface opened on the cover directional emission of waste gas generated during the casting process, so that harmful and toxic gases such as carbon dioxide and sulfur dioxide generated during the casting process can be directional emission, and further can be convenient for centralized treatment, which can effectively reduce the air pollution caused by the casting process and the damage to the health of operators caused by the casting process. However, after the casting is completed, the staff needs to turn the box body upside down, pour out the molding sand inside, and clean the molding sand in the box body for use in the next casting. Utility Model Content

[0004] In order to overcome the above-mentioned defects existing in the prior art, the utility model provides a casting mold box for directional discharge of casting waste gas.

[0005] A casting mold box for directionally discharging casting waste gas comprises a box cover and a box body, wherein the box cover is arranged on the top of the box body, the bottom of the box body is provided with a discharge port, the discharge port is provided with a sealing cover, the bottom of the box body is provided with an air outlet pipe, the air outlet pipe is provided with a filter, a vibrator is provided on the outer side wall of the box body, a plurality of supporting legs are provided on the box body, and shock absorbers are provided at the bottom of the supporting legs.

[0006] Furthermore, the box body includes an upper straight cylinder, a middle cone and a lower straight cylinder, the box cover is connected to the upper straight cylinder, the lower straight cylinder is hinged to the sealing cover, and the side away from the hinge axis is fixedly connected by bolts.

[0007] Furthermore, the box cover and the box body are both provided with lifting handles.

[0008] Furthermore, a fixing block is provided on the box body, the fixing block is connected with the screw rod, a pressure plate is provided on the top of the screw rod, the lower end surface of the pressure plate abuts against the box cover, and a screwing handle is provided on the top of the pressure plate.

[0009] Furthermore, the shock absorber includes a damping rod installed at the bottom of the supporting leg, a spring is sleeved on the outer periphery of the damping rod, the top of the spring is connected to the supporting leg, and the bottom is connected to the base plate.

[0010] Furthermore, the air outlet pipe is connected to the air extraction device via a connecting pipe, the connecting pipe is threadedly connected to the air outlet pipe, a fixing protrusion is provided on the connecting pipe, and the fixing protrusion cooperates with the air outlet pipe to fix the filter screen.

[0011] Due to the adoption of the above technical scheme, the beneficial technical effect of the utility model is as follows: in the utility model, a discharge port is provided at the bottom of the box body. When casting is completed, the molding sand in the box body can flow out by opening the sealing cover. There is no need to lift the box body and then pour out the molding sand, which is convenient for the staff to recover the molding sand. At the same time, a vibrator is provided on the outside of the box body, and the molding sand adhering to the inner wall of the box body is made to fall off by the vibrator, which reduces the labor of manually cleaning the molding sand, and the molding sand can be recovered as soon as possible to make full use of the residual temperature of the molding sand. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic structural diagram of a casting mold box for directional discharge of casting waste gas according to the utility model;

[0013] Figure 2 This is a structural schematic diagram of a casting mold box for directional discharge of casting waste gas in the main viewing direction of the utility model.

[0014] In the figure, 1 is a box cover; 2 is a box body; 3 is a sealing cover; 4 is an air outlet pipe; 5 is a filter; 6 is a vibrator; 7 is a supporting leg; 8 is a shock absorber; 9 is a lifting handle; 10 is a fixing block; 11 is a screw rod; 12 is a pressure plate; 13 is a screw handle; and 14 is a connecting pipe. DETAILED DESCRIPTION

[0015] In order to more clearly illustrate the technical solution of the utility model, the utility model is further described below in conjunction with the accompanying drawings. Obviously, the accompanying drawings described below are only one embodiment of the utility model. For ordinary technicians in this field, without paying any creative work, other embodiments can be obtained based on this drawing and embodiment, which all belong to the protection scope of the utility model.

[0016] according to Figure 1-2 As shown, a casting mold box for directionally discharging casting waste gas includes a box cover 1 and a box body 2, wherein the box cover 1 is arranged on the top of the box body 2, the bottom of the box body 2 is provided with a discharge port, a sealing cover 3 is provided at the discharge port, an air outlet pipe 4 is provided at the bottom of the box body 2, a filter screen 5 is provided at the air outlet pipe 4, a vibrator 6 is provided on the outer side wall of the box body 2, a plurality of supporting legs 7 are provided on the box body 2, and a shock absorber 8 is provided at the bottom of the supporting legs 7.

[0017] In the above specific embodiment, by providing a discharge port at the bottom of the box body 2, when casting is completed, the molding sand in the box body 2 can flow out by opening the sealing cover 3. There is no need to lift the box body 2 and then drain the molding sand, which is convenient for the staff to recover the molding sand. At the same time, a vibrator 6 is provided on the outside of the box body 2. The vibrator 6 is used to make the molding sand adhered to the inner wall of the box body 2 fall off, reducing the labor of manually cleaning the molding sand, and the molding sand can be recovered as soon as possible to make full use of the residual temperature of the molding sand.

[0018] The box body 2 includes an upper straight cylinder, a middle cone and a lower straight cylinder. The box cover is connected to the upper straight cylinder. The lower straight cylinder is hinged to the sealing cover 3 and is fixedly connected with the side away from the hinge axis by bolts.

[0019] The box cover 1 and the box body 2 are both provided with lifting handles 9 to facilitate the movement of the box cover 1 and the box body 2.

[0020] The box body 2 is provided with a fixing block 10, and the fixing block 10 is connected with a screw rod 11. A pressing plate 12 is provided on the top of the screw rod 11. The lower end surface of the pressing plate 12 abuts against the box cover 1. A screwing handle 13 is provided on the top of the pressing plate 12. The box cover 1 and the box body 2 are connected before casting, and then liquid metal is injected through the feed port on the box cover 1.

[0021] The shock absorber 8 includes a damping rod installed at the bottom of the supporting leg 7. A spring is sleeved on the outer periphery of the damping rod. The top of the spring is connected to the supporting leg 7, and the bottom is connected to the bottom plate, which can play a shock-absorbing role during the operation of the vibrator 6.

[0022] The outlet pipe 4 is connected to the exhaust device through a connecting pipe 14, and the connecting pipe 14 is threadedly connected to the outlet pipe 4. A fixing protrusion is provided on the connecting pipe 14, and the fixing protrusion cooperates with the outlet pipe 4 to fix the filter screen 5, which can play a role in preliminary filtering of the discharged gas.

[0023] The above embodiments are only exemplary embodiments of the present invention and are not intended to limit the present invention. The protection scope of the present invention is defined by the claims. Those skilled in the art may make various modifications or equivalent substitutions to the present invention within the essence and protection scope of the present invention, and such modifications or equivalent substitutions shall also be deemed to fall within the protection scope of the present invention.

Claims

1. A casting mold box for directional discharge of casting waste gas, comprising a box cover (1) and a box body (2), characterized in that: The box cover (1) is arranged on the top of the box body (2); the bottom of the box body (2) is provided with a discharge port, the discharge port is provided with a sealing cover (3); the bottom of the box body (2) is provided with an air outlet pipe (4), the air outlet pipe (4) is provided with a filter screen (5); the outer wall of the box body (2) is provided with a vibrator (6); the box body (2) is provided with a plurality of support legs (7), and the bottom of the support legs (7) is provided with a shock absorber (8).

2. A casting mold box for directional discharge of casting waste gas according to claim 1, characterized in that: The box body (2) comprises an upper straight cylinder, a middle cone and a lower straight cylinder; the box cover is connected to the upper straight cylinder; the lower straight cylinder is hinged to the sealing cover (3); the side away from the hinge axis is fixedly connected by bolts.

3. A casting mold box for directional discharge of casting waste gas according to claim 2, characterized in that: The box cover (1) and the box body (2) are both provided with lifting handles (9).

4. A casting mold box for directional discharge of casting waste gas according to claim 3, characterized in that: The box body (2) is provided with a fixing block (10), the fixing block (10) is connected with a screw rod (11), a pressing plate (12) is provided on the top of the screw rod (11), the lower end surface of the pressing plate (12) contacts the box cover (1), and a screwing handle (13) is provided on the top of the pressing plate (12).

5. The casting mold box for directional discharge of casting waste gas according to claim 4, characterized in that: The shock absorber (8) comprises a damping rod installed at the bottom of the supporting leg (7), a spring is sleeved on the outer periphery of the damping rod, the top of the spring is connected to the supporting leg (7), and the bottom is connected to the bottom plate.

6. The casting mold box for directional discharge of casting waste gas according to claim 5, characterized in that: The air outlet pipe (4) is connected to the air extraction device via a connecting pipe (14), the connecting pipe (14) is threadedly connected to the air outlet pipe (4), a fixing protrusion is provided on the connecting pipe (14), and the fixing protrusion cooperates with the air outlet pipe (4) to fix the filter screen (5).

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