Dust hood capable of preventing cutting splashing particles from leaking

Abstract

The utility model discloses a dust hood capable of preventing splashing particles from leaking during cutting, relates to the technical field of dust collection of cutting equipment, and aims to solve the problems that in the process that the current dust hood moves along with a cutting mechanism and the influence of airflow in a workshop and the dust hood can cause shaking of a falling curtain, and the cutting efficiency is high. The dust suction hood comprises a dust suction hood body, a first dust suction mechanism and a second dust suction mechanism, the first dust suction mechanism and the second dust suction mechanism are arranged in the dust suction hood body, fixing parts are symmetrically installed on the inner wall of the dust suction hood body, the first dust suction mechanism comprises a negative pressure pipeline, and the negative pressure pipeline is connected with the dust suction hood body. And the second dust collection mechanism comprises a rotating shaft rotationally mounted in the dust collection cover body. The dust collection device has the advantages that the flexible falling curtain can be adsorbed and fixed, the flexible falling curtain is prevented from shaking due to the movement of the dust collection cover and the influence of airflow, dust particles are prevented from leaking out from the space between the falling curtains and the bottom of the falling curtain, and the dust collection effect of plate cutting dust is guaranteed.

Description

Technical Field

[0001] This utility model relates to the field of dust collection technology for cutting equipment, and more specifically, to a dust collection hood that can prevent cutting splatter particles from leaking out. Background Technology

[0002] Cutting equipment is an indispensable tool in industrial production and many other fields. Dust hoods are key components for ensuring a clean cutting environment, instantly sucking away debris, dust, and fumes generated during cutting. Made of wear-resistant and high-temperature-resistant materials, they effectively prevent particle leakage and workshop contamination, while also extending their own service life, creating a healthy and safe working environment for operators.

[0003] When cutting sheet metal, dust is collected using a dust hood. Currently, curtain dust hoods rely on flexible curtains to enclose the dust particles generated during cutting. However, as the dust hood moves with the cutting mechanism and is affected by airflow within the workshop and the hood itself, the curtains can sway, causing dust particles to splash out from between the curtains and the bottom, thus impacting the dust collection efficiency. Therefore, we propose a dust hood that prevents the leakage of cutting debris. Utility Model Content

[0004] The purpose of this utility model is to overcome the shortcomings of the existing technology, adapt to the needs of reality, and provide a dust hood that can prevent cutting splatter particles from leaking out. This solves the technical problem that the current dust hood moves with the cutting mechanism and is affected by the airflow in the workshop and inside the dust hood, which causes the curtain to sway, thus causing the dust particles generated during cutting to splash out from between the curtains and the bottom.

[0005] To solve the above-mentioned technical problems, this utility model provides the following technical solution: a dust hood that can prevent the leakage of cutting splatter particles, including a dust hood body and a first dust suction mechanism and a second dust suction mechanism disposed within the dust hood body. Flexible curtains are provided at the openings at the front and rear ends of the dust hood body. Fixing members are symmetrically installed on the inner wall of the dust hood body. The first dust suction mechanism includes a negative pressure pipe, and the lower end of the negative pressure pipe is provided with equidistantly distributed first dust suction pipes. The first dust suction pipes are embedded in the dust hood body, and the end of the first dust suction pipes is provided with a first dust suction port. The second dust suction mechanism includes a rotating shaft rotatably installed within the dust hood body, and mounting rods are equidistantly installed at the lower end of the rotating shaft.

[0006] Preferably, the mounting rod is bent at a 90-degree angle along its long axis, the mounting rod is L-shaped in general, and a second suction pipe is provided at the end of the mounting rod.

[0007] Preferably, a second suction port is provided at the end of the second suction pipe, both the first and second suction ports are horn-shaped, and a suction cup is provided at the lower part of the side end of the second suction pipe, with the suction cup facing the flexible curtain.

[0008] Preferably, the first vacuum tube has connecting tubes symmetrically arranged on its side end, and the end of the connecting tube is equipped with a connecting pipe. The lower end of the connecting pipe is provided with a number of connecting ports that are the same as the number of second vacuum tubes.

[0009] Preferably, the fixing member includes a fixing rod and an elastic limiting plate, the fixing rod is connected to the inner wall of the dust collection hood body, and the elastic limiting plate is disposed at the end of the fixing rod.

[0010] Preferably, the elastic limiting plate is arranged in an arc shape with three bends along its long axis, the front part of the elastic limiting plate is semi-circular, and the two ends of the elastic limiting plate are bent outwards at wide angles.

[0011] Compared with the prior art, the beneficial effects of this utility model are:

[0012] 1. This utility model, through the design of a second suction pipe and suction cup structure, allows the second suction pipe to suck up dust below the curtain, preventing dust particles from leaking out from below the curtain. The suction cup on the second suction pipe can hold the flexible curtain in place, preventing it from shaking due to the movement of the suction hood and airflow. This prevents dust particles from leaking out from between the curtains and the bottom, ensuring the dust suction effect during board cutting. It solves the problem that the current suction hood moves with the cutting mechanism and the airflow in the workshop and inside the suction hood causes the curtain to shake, resulting in dust particles from the cutting process splashing out from between the curtains and the bottom.

[0013] 2. This utility model also features an elastic limiting plate structure. The semi-circular part at the front of the elastic limiting plate can limit the second vacuum tube. The unique design of the two ends of the elastic limiting plate bending outwards at wide angles allows the wide-angled bending part to act as a guide track tailored for the second vacuum tube when it needs to be rotated to a vertical position for fixing. With its gradually opening shape, it can cleverly guide the second vacuum tube to slide smoothly into the elastic limiting plate, greatly reducing the difficulty of fixing the second vacuum tube and making the fixing process of the second vacuum tube convenient and efficient. Attached Figure Description

[0014] Figure 1 This is a front view structural diagram of the present utility model;

[0015] Figure 2 This is a cross-sectional structural diagram of the present invention;

[0016] Figure 3 This is a partial front view structural schematic diagram of the present invention;

[0017] Figure 4 This is a partial bottom view of the structure of this utility model;

[0018] Figure 5 This is a schematic diagram of the second suction pipe structure of this utility model;

[0019] Figure 6 This is a schematic diagram of the fastener structure of this utility model.

[0020] The following are the labels in the diagram: 101, Vacuum hood body; 102, Flexible curtain; 103, Fixing component; 104, Fixing rod; 105, Elastic limiting plate; 200, First vacuuming mechanism; 201, Negative pressure pipe; 202, First vacuuming pipe; 203, First vacuuming port; 204, Connecting pipe; 205, Connecting pipe; 300, Second vacuuming mechanism; 301, Rotating shaft; 302, Mounting rod; 303, Second vacuuming pipe; 304, Second vacuuming port; 305, Suction cup. Detailed Implementation

[0021] like Figures 1 to 6 As shown, this utility model relates to a dust hood that can prevent the leakage of cutting splatter particles. It includes a dust hood body 101 and a first dust suction mechanism 200 and a second dust suction mechanism 300 disposed inside the dust hood body 101. Flexible curtains 102 are provided at the openings at the front and rear ends of the dust hood body 101. Fixing members 103 are symmetrically installed on the inner wall of the dust hood body 101. The first dust suction mechanism 200 includes a negative pressure pipe 201. The lower end of the negative pressure pipe 201 is provided with equidistantly distributed first dust suction pipes 202. The first dust suction pipes 202 are embedded in the dust hood body 101, and the end of the first dust suction pipes 202 is provided with a first dust suction port 203. The second dust suction mechanism 300 includes a rotating shaft 301 rotatably installed inside the dust hood body 101. The lower end of the rotating shaft 301 is equidistantly installed with mounting rods 302. This invention can fix the flexible curtain 102 in a fixed position, preventing the flexible curtain 102 from shaking due to the movement of the dust collection hood and the influence of airflow, thereby preventing dust particles from leaking out from between the curtains and the bottom, and ensuring the dust collection effect of cutting the board.

[0022] Specifically, the mounting rod 302 is bent at a 90-degree angle along its long axis, and the mounting rod 302 is L-shaped. A second suction pipe 303 is provided at the end of the mounting rod 302. The L-shaped design of the mounting rod 302 allows the second suction pipe 303 to easily adapt to the position of the connecting pipe 205, so that when the second suction pipe 303 is rotated to a vertical position, its starting end can communicate with the connecting pipe 205, thereby connecting the second suction pipe 303 and the connecting pipe 205.

[0023] Furthermore, a second suction port 304 is provided at the end of the second suction pipe 303. Both the first suction port 203 and the second suction port 304 are funnel-shaped. A suction cup 305 is provided at the lower part of the side end of the second suction pipe 303, facing the flexible curtain 102. The second suction pipe 303 can suck up the dust below the curtain, preventing dust particles from leaking out from below the curtain. The suction cup 305 on the second suction pipe 303 can hold the flexible curtain 102 in place, preventing the flexible curtain 102 from shaking due to the movement of the suction hood and the influence of airflow, thereby preventing dust particles from leaking out from between the curtains and the bottom.

[0024] It is worth noting that connecting pipes 204 are symmetrically arranged on the side end of the first suction pipe 202, and connecting pipes 205 are installed at the end of the connecting pipes 204. The lower end of the connecting pipes 205 is provided with the same number of connecting interfaces as the second suction pipes 303. The connecting interfaces facilitate the connection between the connecting pipes 205 and the second suction pipes 303, enabling the second suction pipes 303 to generate suction to collect dust particles.

[0025] It is worth mentioning that the fixing component 103 includes a fixing rod 104 and an elastic limiting plate 105. The fixing rod 104 is connected to the inner wall of the dust cover body 101, and the elastic limiting plate 105 is disposed at the end of the fixing rod 104.

[0026] It is worth noting that the elastic limiting plate 105 is arranged in an arc shape with three bends along its long axis. The front part of the elastic limiting plate 105 is semi-circular, and the two ends of the elastic limiting plate 105 are bent outward at wide angles. The semi-circular front part of the elastic limiting plate 105 can limit the second vacuum tube 303. The unique design of the two ends of the elastic limiting plate 105 bending outward at wide angles allows the second vacuum tube 303 to be rotated to a vertical position for fixing when needed. The wide-angle bends act as a guide rail tailor-made for the second vacuum tube 303. With its gradually opening shape, it can cleverly guide the second vacuum tube 303 to slide smoothly into the elastic limiting plate 105, greatly reducing the difficulty of fixing the second vacuum tube 303 and making the fixing process of the second vacuum tube 303 convenient and efficient.

[0027] Working Principle: This embodiment provides a dust hood that prevents cutting debris from leaking out. Before use, rotating the rotating shaft 301 causes the second suction pipe 303 at the end of the mounting rod 302 to move accordingly, causing the second suction pipe 303 to be locked into the elastic limiting plate 105 for fixation. The beginning of the second suction pipe 303 can be connected to the interface of the connecting pipe 205. The negative pressure pipe 201 is connected to an external negative pressure source to generate suction. The equidistantly distributed first suction pipes 202, in conjunction with the first suction port 203, due to their horn shape, can capture cutting debris inside the dust hood body 101 over a large area. The splashing particles generated are sucked into the negative pressure pipe 201 and discharged under negative pressure. The funnel-shaped second suction port 304 at the end of the pipe further expands the suction range and sucks up the splashing particles at the bottom of the curtain. The suction cup 305 at the lower side of the second suction pipe 303 faces the flexible curtain 102 and can be tightly attached to the flexible curtain 102 under the suction force. This can fix the position of the flexible curtain 102 and prevent the flexible curtain 102 from shaking due to airflow or movement of the suction hood, thus affecting the suction effect and effectively preventing dust particles from splashing out from between the curtains and the bottom.

[0028] The embodiments disclosed herein are preferred embodiments, but are not limited thereto. Those skilled in the art can readily grasp the spirit of this utility model based on the above embodiments and make different extensions and variations. However, as long as they do not depart from the spirit of this utility model, they are all within the protection scope of this utility model.

Claims

1. A dust extraction hood which prevents the escape of cuttings particles, characterised in that, The dust cover body (101) and the first dust collection mechanism (200) and the second dust collection mechanism (300) arranged in the dust cover body (101), the flexible curtain (102) is arranged at the opening of the front end and the rear end of the dust cover body (101), the inner wall of the dust cover body (101) is symmetrically provided with a fixing piece (103), the first dust collection mechanism (200) comprises a negative pressure pipeline (201), the lower end of the negative pressure pipeline (201) is provided with a first dust collection pipe (202) distributed at equal intervals, the first dust collection pipe (202) is embedded into the dust cover body (101), and the tail end of the first dust collection pipe (202) is provided with a first dust collection port (203), the second dust collection mechanism (300) comprises a rotating shaft (301) rotatably arranged in the dust cover body (101), and the lower end of the rotating shaft (301) is provided with an installation rod (302) at equal intervals.

2. A dust hood capable of preventing the leakage of cut particles according to claim 1, wherein The installation rod (302) is arranged in a bending direction of the long axis, the installation rod (302) is L-shaped as a whole, and the tail end of the installation rod (302) is provided with a second dust collection pipe (303).

3. A dust extraction hood according to claim 2, wherein, The tail end of the second dust collection pipe (303) is provided with a second dust collection port (304), the first dust collection port (203) and the second dust collection port (304) are both in the shape of a horn, the side end of the second dust collection pipe (303) is provided with a suction disc (305) at the lower position, and the suction disc (305) faces the flexible curtain (102).

4. A dust extraction hood according to claim 3, wherein, The side end of the first dust collection pipe (202) is symmetrically provided with a connecting pipe (204), the tail end of the connecting pipe (204) is provided with a butt joint pipe (205), the lower end of the butt joint pipe (205) is provided with a butt joint port consistent in number with the second dust collection pipe (303).

5. A dust extraction hood according to claim 4, wherein, The fixing piece (103) comprises a fixing rod (104) and an elastic limiting plate (105), the fixing rod (104) is connected with the inner wall of the dust cover body (101), and the elastic limiting plate (105) is arranged at the tail end of the fixing rod (104).

6. A dust extraction hood according to claim 5, wherein, The elastic limiting plate (105) is arranged in a three-bending arc shape along the long axis direction, the front part of the elastic limiting plate (105) is in a half-ring shape, and the two ends of the elastic limiting plate (105) are outwardly bent to be arranged in a wide angle.

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