A suction flow guide cover
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- WUXI GUANCHENG METAL CO LTD
- Filing Date
- 2025-07-07
- Publication Date
- 2026-07-14
Smart Images

Figure CN224487632U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of auxiliary equipment for aluminum casting production, and in particular to a suction guide hood. Background Technology
[0002] During the die-casting process of aluminum castings, the contact between the high-temperature molten aluminum and the mold generates a large amount of smoke, oil mist, and exhaust gases (such as volatile release agents and combustion residues). These pollutants may contain metal particles, organic matter (VOCs), and even toxic gases (such as carbon monoxide). The exhaust purification equipment can effectively collect and filter these harmful substances, ensuring a safe working environment.
[0003] Currently, the hoods of the suction and purification equipment used in the die casting process of aluminum castings have low efficiency in capturing fine aluminum dust, mold release agent atomized particles, etc., resulting in the overflow of some pollutants, and the pipelines are easily blocked by metal particles, leading to a reduction in air volume.
[0004] Therefore, the structure of the suction equipment cover needs to be further improved to enhance suction efficiency. Utility Model Content
[0005] The purpose of this invention is to provide a suction guide hood that can improve suction efficiency.
[0006] To achieve the above-mentioned utility model objectives, this utility model provides an air intake guide hood, including a hood body and a filter plate;
[0007] The cover is provided with several connecting panels, and the included angle between adjacent connecting panels is less than 180°;
[0008] The connecting panel is provided with a connecting groove, and the top and bottom of the connecting groove are provided with locking strips, the locking strips being "L" shaped;
[0009] The filter plate includes a connecting frame and a filter screen. The filter screen is located in the middle of the connecting frame. The bottom and top of the connecting frame are locked in the corresponding locking strips. The connecting frame is located outside the cover.
[0010] As a further improvement of the utility model, the number of connecting panels is three, and the three connecting panels form a three-sector-shaped cover.
[0011] Furthermore, the included angle between adjacent connecting panels is 135°.
[0012] As a further improvement to the utility model, the connecting frame is provided with reinforcing edges on both sides.
[0013] As a further improvement of the utility model, a reinforcing frame is provided around the connecting groove, and the reinforcing frame is located inside the cover.
[0014] The advantages of this air intake guide hood compared to existing technologies are as follows:
[0015] (1) The arrangement of several connecting panels increases the contact area with the gas and guides a large amount of exhaust gas through the filter screen to be concentrated into the subsequent pipeline, thereby improving the air intake efficiency of the pipeline.
[0016] (2) The detachable structure of the cover and filter plate facilitates the removal and replacement of the filter screen, ensuring the filtration effect. Attached Figure Description
[0017] Figure 1 This is a schematic diagram of a suction guide hood structure according to the present invention;
[0018] Figure 2 A schematic diagram of the reinforced frame connection structure;
[0019] Figure 3 This is a schematic diagram of the filter plate connection structure;
[0020] Figure 4 This is a schematic diagram of the filter plate structure;
[0021] Figure 5 This is a schematic diagram of the gas flow direction. Detailed Implementation
[0022] The specific embodiments of this utility model will be further described in detail below with reference to the accompanying drawings.
[0023] like Figure 1-2 As shown, the present invention provides an air intake guide hood, which includes a hood body 1 and a filter plate 2.
[0024] The enclosure 1 is provided with several connecting panels 11, the included angle between adjacent connecting panels 11 is less than 180°, so that the gas transmission direction of the several connecting panels 11 is closer to the center, guiding the gas flow to a concentrated direction. For example Figure 5 As shown, there are three connecting panels 11, which form a three-sector-shaped cover to maximize the contact area with the gas. The included angle between adjacent connecting panels 11 is preferably 135°, so that the gas is concentrated and transmitted to the subsequent pipeline, thereby improving the gas transmission efficiency.
[0025] like Figure 3-4 As shown, the connecting panel 11 is provided with a connecting groove 13, and the top and bottom of the connecting groove 13 are provided with retaining strips 12, which are "L" shaped;
[0026] The filter plate 2 includes a connecting frame 21 and a filter screen 23. The filter screen 23 is located in the middle of the connecting frame 21. The bottom and top of the connecting frame 21 are locked in the corresponding clips 12. The connecting frame 21 is located outside the cover 1.
[0027] The filter screen 23 performs preliminary filtration of the exhaust gas, intercepting large metal particles generated in the die-casting machine to prevent pollution or even blockage of the suction pipe. The "L"-shaped structure of the retaining strip 12 facilitates the disassembly and assembly of the connecting frame 21, and makes it easy to replace and clean the filter screen 23. The connecting frame 21 has reinforcing edges 22 on both sides, which reduce the gap between the connecting frame 21 and the retaining strip 12, preventing the connecting frame 21 from shaking in the retaining strip 12 during gas transmission, and preventing the grooved part of the cover 1 from colliding with the filter plate 2 and causing abnormal noise.
[0028] A reinforcing frame 14 is provided around the connecting groove 13, and the reinforcing frame 14 is located inside the cover 1. The reinforcing frame 14 can strengthen the structural strength of the connection between the connecting panel 11 and the filter plate 2 of the cover 1, and prevent the connecting panel 11 from deforming due to excessive wind speed.
[0029] The preferred embodiments of this utility model have been described in detail above, but this utility model is not limited to the embodiments described. Those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of this utility model, and these equivalent modifications or substitutions are all included within the scope defined by the claims of this application.
Claims
1. A suction guide hood, characterized in that, Includes the cover and filter plate; The cover is provided with several connecting panels, and the included angle between adjacent connecting panels is less than 180°; The connecting panel is provided with a connecting groove, and the top and bottom of the connecting groove are provided with locking strips, the locking strips being "L" shaped; The filter plate includes a connecting frame and a filter screen. The filter screen is located in the middle of the connecting frame. The bottom and top of the connecting frame are locked in the corresponding locking strips. The connecting frame is located outside the cover.
2. The air intake hood as described in claim 1, characterized in that, The number of connecting panels is three, and the three connecting panels form a three-sector-shaped cover.
3. The air intake hood as described in claim 2, characterized in that, The included angle between adjacent connecting panels is 135°.
4. The air intake hood as described in claim 1, characterized in that, The connecting frame has reinforcing edges on both sides.
5. The air intake hood as described in claim 1, characterized in that, The connecting groove is surrounded by a reinforcing frame, which is located inside the cover.