Large-section air suction opening structure of dust remover

Abstract

The utility model relates to the technical field of dust treatment equipment, in particular to a large-section dust remover exhaust inlet structure which comprises a trumpet-shaped exhaust inlet, the upper end face of the trumpet-shaped exhaust inlet is communicated with a fixing pipe, a motor is installed on the right side of the fixing pipe, and the output end of the motor is detachably connected with a rotating shaft. The left end of the rotating shaft penetrates through the fixing pipe and is movably connected with the left side of the interior of the fixing pipe through a bearing, a circular valve plate is installed on the outer side wall of the rotating shaft, a plurality of connecting columns are fixedly connected to the top end of the interior of the groove, and a mounting frame is connected to the outer side walls of the connecting columns in a penetrating mode; a grid plate is fixedly connected to the inner side wall of the mounting frame, and nuts tightly attached to the lower end face of the mounting frame are in threaded connection to the outer side walls of the multiple connecting columns, so that by means of the structure, the interior of a pipeline is in a closed state conveniently after the dust collector is used, and smoke particles in the fixing pipe are prevented from flowing out through a horn-shaped exhaust opening; and pollution to cutting equipment is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of dust processing equipment, in particular to a large-section dust collector air suction port structure. Background Art

[0002] Laser cutting uses invisible light beams to replace traditional mechanical knives. It has the characteristics of high precision, fast cutting, no restrictions on cutting patterns, automatic typesetting to save materials, smooth incisions, and low processing costs. With the development and expansion of the scale of the processing industry, it will gradually improve or replace traditional metal cutting process equipment. When cutting materials, laser cutting machines on the traditional market will produce more dust and fog near the fracture, so the laser cutting machines are equipped with dust collectors.

[0003] When the dust collector is in use, the smoke and dust are sucked into the dust removal device by the exhaust fan and other equipment to generate a large suction force to form a negative pressure at the air intake port, and the smoke and dust generated by cutting are sucked into the dust removal device;

[0004] However, after the existing dust collector is used up, when the exhaust fan used to generate suction stops running, the smoke and dust remaining on the inner wall of the dust collection duct is easy to flow out from the dust collection port, which can easily cause pollution to the laser cutting machine equipment. Therefore, it is necessary to propose a large-section dust collector suction port structure to solve the above-mentioned problems. Utility Model Content

[0005] The purpose of the utility model is to provide a large-section dust collector air suction port structure, which is convenient for closing the inside of the pipeline after the use of the vacuum cleaner, preventing smoke particles in the fixed pipe from flowing out through the trumpet-shaped air suction port, and avoiding pollution to the equipment cutting equipment.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a large-section dust collector suction port structure, including a trumpet-shaped suction port, the upper end face of the trumpet-shaped suction port is connected to a fixed pipe, a motor is installed on the right side of the fixed pipe, the output end of the motor is detachably connected to a rotating shaft, the left end of the rotating shaft passes through the fixed pipe and is movably connected to the inner left side of the fixed pipe through a bearing, and a circular valve plate is installed on the outer wall of the rotating shaft.

[0007] In order to filter the cutting waste and some small parts carried in the smoke entering the trumpet-shaped air intake port through the mesh plate, as the preferred structure of the large-section dust collector air intake port of the utility model, the lower end face of the trumpet-shaped air intake port is fixedly connected with a connecting frame, the inner side wall of the connecting frame is provided with a groove, the inner top end of the groove is fixedly connected with a plurality of connecting columns, the outer side walls of the plurality of connecting columns are penetrated and connected with an installation frame, the inner side wall of the installation frame is fixedly connected with a mesh plate, and the outer side walls of the plurality of connecting columns are threadedly connected with nuts that fit tightly with the lower end face of the installation frame.

[0008] In order to facilitate the adjustment of the height of the trumpet-shaped air suction port as needed, as the preferred structure of the large-section dust collector air suction port of the utility model, the upper end face of the fixed pipe is connected with a bellows, the upper end face of the bellows is connected with a conveying pipe, the outer side wall of the fixed pipe is fixedly connected with an adjustment plate located above the motor, a fixed plate is arranged above the adjustment plate, the upper end face of the fixed plate is penetrated by two electric telescopic rods, and the lower end faces of the two electric telescopic rods are detachably connected to the upper end face of the adjustment plate.

[0009] In order to buffer the impact force exerted on the mesh plate and increase the service life of the mesh plate, as a preferred structure of the large-section dust collector suction port of the utility model, the outer walls of the plurality of connecting columns are sleeved with springs located between the mounting frame and the top end of the groove.

[0010] In order to facilitate the bellows to pass through under the fixed plate, as a preferred structure of the large-section dust collector suction port of the utility model, an opening is penetrated through the upper end surface of the fixed plate, and the lower end of the bellows passes through the opening and extends to under the fixed plate.

[0011] In order to facilitate the installation of the fixing plate and the cutting equipment, as a preferred structure of the large-section dust collector suction port of the utility model, the left and right sides of the fixing plate are fixedly connected with mounting plates, and the upper end surfaces of the two mounting plates are penetrated with multiple mounting holes.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] After the vacuum cleaner is used, the motor is turned on, the motor drives the rotating shaft to rotate, and the rotating shaft drives the circular valve plate to close the fixed pipe, so that the interior of the fixed pipe is in a closed state, and smoke particles in the fixed pipe are prevented from flowing out through the trumpet-shaped air suction port. Furthermore, this structure makes it convenient to close the interior of the pipe after the vacuum cleaner is used, so as to prevent smoke particles in the fixed pipe from flowing out through the trumpet-shaped air suction port, thereby avoiding pollution to the cutting equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is the overall front view of the utility model;

[0015] Figure 2 This is a cross-sectional view of the trumpet-shaped air suction port of the utility model;

[0016] Figure 3 For the utility model Figure 2 Enlarged view of point A in the middle.

[0017] In the figure: 1. fixed pipe; 101. trumpet-shaped air inlet; 102. connecting frame; 1021. groove; 103. bellows; 104. conveying pipe; 2. motor; 201. rotating shaft; 202. circular valve plate; 3. connecting column; 301. mounting frame; 302. grid plate; 303. nut; 304. spring; 4. adjusting plate; 401. fixed plate; 402. electric telescopic rod; 403. opening; 5. mounting plate; 501. mounting hole. DETAILED DESCRIPTION

[0018] See also Figures 1 to 3 The large-section dust collector air suction port structure includes a trumpet-shaped air suction port 101. The upper end surface of the trumpet-shaped air suction port 101 is connected to a fixed pipe 1. A motor 2 is installed on the right side of the fixed pipe 1. The output end of the motor 2 is detachably connected to a rotating shaft 201. The left end of the rotating shaft 201 penetrates the fixed pipe 1 and is movably connected to the inner left side of the fixed pipe 1 through a bearing. A circular valve plate 202 is installed on the outer wall of the rotating shaft 201.

[0019] In the present embodiment: after the use of the vacuum cleaner, the motor 2 is turned on, the motor 2 drives the rotating shaft 201 to rotate, and the rotating shaft 201 drives the circular valve plate 202 to close the fixed tube 1, so that the interior of the fixed tube 1 is in a closed state, preventing the smoke particles in the fixed tube 1 from flowing out through the trumpet-shaped air suction port 101. Therefore, this structure makes it convenient to make the interior of the pipe in a closed state after the use of the vacuum cleaner is finished, preventing the smoke particles in the fixed tube 1 from flowing out through the trumpet-shaped air suction port 101, thereby avoiding pollution to the cutting equipment.

[0020] As a technical optimization scheme of the utility model, the lower end face of the trumpet-shaped air suction port 101 is fixedly connected to a connecting frame 102, the inner wall of the connecting frame 102 is provided with a groove 1021, the inner top of the groove 1021 is fixedly connected to a plurality of connecting columns 3, the outer walls of the plurality of connecting columns 3 are penetrated and connected to a mounting frame 301, the inner wall of the mounting frame 301 is fixedly connected to a grid plate 302, and the outer walls of the plurality of connecting columns 3 are all threadedly connected to nuts 303 that fit tightly to the lower end face of the mounting frame 301.

[0021] In this embodiment: as needed, by installing the installation frame 301 on the outer wall of multiple connecting columns 3, and then fixing it with nuts 303, during the use of the dust collector, the cutting waste and some small parts carried in the smoke entering the trumpet-shaped air intake port 101 are filtered through the mesh plate 302.

[0022] As a technical optimization solution of the utility model, the upper end surface of the fixed tube 1 is connected to the bellows 103, the upper end surface of the bellows 103 is connected to the conveying pipe 104, the outer side wall of the fixed tube 1 is fixedly connected to the adjusting plate 4 located above the motor 2, a fixed plate 401 is arranged above the adjusting plate 4, the upper end surface of the fixed plate 401 is penetrated by two electric telescopic rods 402, and the lower end surfaces of the two electric telescopic rods 402 are detachably connected to the upper end surface of the adjusting plate 4.

[0023] In the present embodiment, when it is necessary to adjust the distance between the trumpet-shaped air suction port 101 and the device, the two electric telescopic rods 402 are turned on to drive the adjustment plate 4 to move up and down, thereby driving the trumpet-shaped air suction port 101 to be adjusted to a suitable height. When the trumpet-shaped air suction port 101 moves up and down, the bellows 103 expands and contracts accordingly, thereby facilitating the adjustment of the height of the trumpet-shaped air suction port 101 as needed.

[0024] As a technical optimization solution of the present invention, the outer side walls of the plurality of connection columns 3 are sleeved with springs 304 located between the installation frame 301 and the inner top of the groove 1021 .

[0025] In this embodiment, when the grid plate 302 is impacted by cutting waste and small workpieces, the multiple springs 304 contract to buffer the impact force on the grid plate 302 , thereby increasing the service life of the grid plate 302 .

[0026] As a technical optimization solution of the present invention, an opening 403 is formed through the upper end surface of the fixing plate 401 , and the lower end of the bellows 103 passes through the opening 403 and extends to the bottom of the fixing plate 401 .

[0027] In this embodiment, the opening 403 facilitates the bellows 103 to pass under the fixing plate 401 .

[0028] As a technical optimization solution of the present invention, the left and right sides of the fixing plate 401 are fixedly connected with mounting plates 5 , and the upper end surfaces of the two mounting plates 5 are penetrated with a plurality of mounting holes 501 .

[0029] In this embodiment: the two mounting plates 5 are fitted with the equipment, and then bolts are screwed into the multiple mounting holes 501, thereby facilitating the installation of the fixing plate 401 and the cutting equipment.

[0030] Working principle: when it is necessary to adjust the distance between the trumpet-shaped air suction port 101 and the equipment, open the two electric telescopic rods 402 to drive the adjustment plate 4 to move up and down, and drive the trumpet-shaped air suction port 101 to be adjusted to a suitable height. When the trumpet-shaped air suction port 101 moves up and down, the bellows 103 will expand and contract accordingly. According to needs, the mounting frame 301 is installed on the outer walls of multiple connecting columns 3 and then fixed by nuts 303. During the use of the dust collector, the cutting waste and some small parts carried in the smoke entering the trumpet-shaped air suction port 101 are filtered through the mesh plate 302. After the use of the vacuum cleaner is over, the motor 2 is turned on, and the motor 2 drives the rotating shaft 201 to rotate. The rotating shaft 201 drives the circular valve plate 202 to close the fixed tube 1, so that the interior of the fixed tube 1 is in a closed state, preventing the smoke particles in the fixed tube 1 from flowing out through the trumpet-shaped air suction port 101.

[0031] 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. A large-section dust collector air inlet structure, comprising a trumpet-shaped air inlet (101), characterized in that: The upper end surface of the trumpet-shaped air inlet (101) is connected to a fixed tube (1), a motor (2) is installed on the right side of the fixed tube (1), the output end of the motor (2) is detachably connected to a rotating shaft (201), the left end of the rotating shaft (201) passes through the fixed tube (1) and is movably connected to the inner left side of the fixed tube (1) via a bearing, and a circular valve plate (202) is installed on the outer wall of the rotating shaft (201).

2. The large-section dust collector air inlet structure according to claim 1 is characterized in that: The lower end surface of the trumpet-shaped air inlet (101) is fixedly connected to a connecting frame (102), the inner side wall of the connecting frame (102) is provided with a groove (1021), the inner top of the groove (1021) is fixedly connected to a plurality of connecting columns (3), the outer side walls of the plurality of connecting columns (3) are penetrated and connected to a mounting frame (301), the inner side wall of the mounting frame (301) is fixedly connected to a grid plate (302), and the outer side walls of the plurality of connecting columns (3) are all threadedly connected to nuts (303) that are tightly fitted to the lower end surface of the mounting frame (301).

3. The large-section dust collector air inlet structure according to claim 1 is characterized in that: The upper end surface of the fixed tube (1) is connected to a bellows (103), and the upper end surface of the bellows (103) is connected to a delivery tube (104). The outer wall of the fixed tube (1) is fixedly connected to an adjustment plate (4) located above the motor (2). A fixed plate (401) is arranged above the adjustment plate (4). Two electric telescopic rods (402) are connected through the upper end surface of the fixed plate (401), and the lower end surfaces of the two electric telescopic rods (402) are detachably connected to the upper end surface of the adjustment plate (4).

4. The large-section dust collector air inlet structure according to claim 2 is characterized in that: The outer side walls of the plurality of connecting columns (3) are sleeved with springs (304) located between the installation frame (301) and the inner top of the groove (1021).

5. The large-section dust collector air inlet structure according to claim 3 is characterized in that: An opening (403) is formed through the upper end surface of the fixing plate (401), and the lower end of the bellows (103) passes through the opening (403) and extends to the bottom of the fixing plate (401).

6. The large-section dust collector air inlet structure according to claim 3 is characterized by: The left and right sides of the fixing plate (401) are fixedly connected to mounting plates (5), and the upper end surfaces of the two mounting plates (5) are penetrated by a plurality of mounting holes (501).

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