Low-noise air filter for 3D printer and laser engraving machine

Abstract

The utility model discloses a low noise air filter for 3D printer and laser engraving machine, relates to 3D printer and laser engraving machine technical field, including casing, cover and bottom plate, the cover is covered outside casing, the lower end of inner wall of casing is fixed with the bracing frame, the bottom plate and bracing frame screw joint arrangement, and the bottom plate and the bracing frame screw joint arrangement. A filter body is arranged at the top of the supporting frame, a noise reduction air duct assembly is arranged between the bottom plate and the supporting frame and comprises a fan, a plurality of exhaust holes are formed in the lower end of the side wall of the machine shell, and an air inlet pipe is arranged at the upper end of the outer wall of the machine shell in a communicating mode. According to the utility model, a plurality of components are arranged in a split manner, so that the whole filter is convenient to disassemble and assemble, meanwhile, the noise in the use process of the filter can be reduced by virtue of the noise-reducing air duct component, and the use effect of the filter is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to 3D printer and laser engraver technical field, concretely relates to a kind of 3D printer and low-noise air filter for laser engraver. BACKGROUND

[0002] 3D printer is a kind of additive manufacturing equipment, it can be according to three-dimensional model data, by the way of layer-by-layer accumulation material to manufacture three-dimensional entity object, laser engraver is the equipment using high-energy-density laser beam, and the operation such as marking, cutting, marking on material surface, the above-mentioned two kinds of equipment will produce certain smell in the process of running, and in order to reduce the influence of pungent smell on the health of operator, filter is set when equipment is used to effectively filter and purify surrounding air.

[0003] And the air filter used for common 3D printer and laser engraver has no heat dissipation air duct and noise reduction cover, and when using, it will produce larger radiography, and the overall installation steps of filter are more, the number of screws required for installation is more, and it is easy to make mistake in the process of installation and disassembly, resulting in high manufacturing cost, and reducing the use effect of filter. UTILITY MODEL CONTENT

[0004] In view of the above-mentioned problems existing in prior art low-noise air filter for 3D printer and laser engraver, the utility model is proposed.

[0005] Therefore, the utility model aims at providing a kind of low-noise air filter for 3D printer and laser engraver, solve the problem that the air filter used for existing 3D printer is large in noise in the process of running, and disassembly is more cumbersome.

[0006] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A kind of low-noise air filter for 3D printer and laser engraver, including shell, lid and bottom plate, the lid is set on the outer side of the shell, the inner wall lower end of the shell is fixed with support frame, the bottom plate is screw-connected between support frame, the top of the support frame is placed with filter main body, noise reduction air duct assembly is arranged between the bottom plate and support frame, the noise reduction air duct assembly includes fan, the lower end of the side wall of the shell is provided with a plurality of exhaust holes, and the upper end of the outer wall of the shell is provided with an air inlet pipe.

[0008] Preferably, the noise reduction air duct assembly further includes straight exhaust noise reduction air duct and first soundproof cover and curved noise reduction air duct and second soundproof cover, one end of the straight exhaust noise reduction air duct and curved noise reduction air duct is communicated with the air outlet of fan, and the first soundproof cover and second soundproof cover are respectively sleeved on the outer side of the straight exhaust noise reduction air duct and curved noise reduction air duct.

[0009] Preferably, the inside of the support frame is provided with a ventilation hole matched with the filter body.

[0010] Preferably, the top of the bottom plate is fixedly provided with a limiting frame, the fan is arranged in the inside of the limiting frame, the top of the bottom plate is fixedly provided with a soundproof plate, and the fan is fixedly arranged on the top of the soundproof plate.

[0011] Further, the outer wall of the machine cover is fixedly provided with a clamping box on both sides, the outer wall of the machine shell is rotatably provided with a clamping plate through a shaft pin on the upper end of both sides, and the arc-shaped end of the clamping plate is clamped in the clamping box.

[0012] Preferably, the outer wall of the machine shell is fixedly embedded with an opening and closing button at the lower end, and the opening and closing button is electrically connected with the fan.

[0013] In the above technical scheme, the technical effects and advantages of the utility model are provided:

[0014] 1. The utility model discloses a machine cover, a machine shell, a bottom plate, a filter body and a noise reduction air duct assembly are arranged, the noise generated in the purification process of the filter is reduced by the arrangement of the various noise reduction air duct assemblies, and the use effect of the filter is improved.

[0015] 2. The utility model discloses a machine cover, a machine shell, a bottom plate, a filter body and a noise reduction air duct assembly are arranged, the inside multiple components of the filter are arranged in a split mode, the quick combination and disassembly of the whole filter are facilitated, and the use convenience of the filter is improved. DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the embodiments or the prior art, the drawings needed in the embodiments will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art according to these drawings.

[0017] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0018] Figure 2 It is another three-dimensional structure schematic view of the utility model from another perspective;

[0019] Figure 3 It is an internal structure explosion view of the utility model;

[0020] Figure 4 It is a three-dimensional structure schematic view of the noise reduction air duct assembly of the utility model.

[0021] Explanation of the drawings:

[0022] 1, the shell; 2, the cover; 3, the bottom plate; 4, the support frame; 5, the filter main body; 6, the fan; 7, the noise reduction air duct assembly; 8, the exhaust hole; 9, the air inlet pipe; 10, the straight exhaust noise reduction air duct; 11, the first sound insulation cover; 12, the curved noise reduction air duct; 13, the second sound insulation cover; 14, the air hole; 15, the limiting frame; 16, the sound insulation board; 17, the card box; 18, the card board; 19, the on-off button. DETAILED DESCRIPTION

[0023] In order for those skilled in the art to better understand the technical scheme of the utility model, the utility model will be further described in detail below with reference to the drawings.

[0024] The utility model discloses a kind of low-noise air filters for 3D printer and laser engraver.

[0025] The utility model provides a kind of low-noise air filters for 3D printer and laser engraver as Figure 1-4 As shown in the figure, a kind of low-noise air filters for 3D printer and laser engraver including shell 1, cover 2 and bottom plate 3, cover 2 is covered in the outer side of shell 1, the inner wall lower end of shell 1 is fixedly provided with support frame 4, bottom plate 3 is screw-connected between support frame 4, the top of support frame 4 is placed and is provided with filter main body 5, bottom plate 3 and support frame 4 are provided with noise reduction air duct assembly 7, the outer wall lower end of shell 1 is fixedly embedded with on-off button 19, on-off button 19 is electrically connected with fan 6, the inside of support frame 4 is provided with air hole 14, which is matched with filter main body 5, noise reduction air duct assembly 7 includes fan 6, the lower end of the side wall of shell 1 is provided with a plurality of exhaust holes 8, and the upper end of the outer wall of shell 1 is provided with air inlet pipe 9.

[0026] Before using filter, fan 6 and noise reduction air duct assembly 7 are arranged on bottom plate 3, and bottom plate 3 is connected with the bottom of cover 2, at this time, under the arrangement of support frame 4, the position of fan 6 is determined, then filter main body 5 is arranged in shell 1 and located on support frame 4, then cover 2 is covered on the top of shell 1, to complete the overall forming of filter, then on-off button 19 is pressed, and fan 6 is started, at this time, the gas generated when 3D printer and laser engraving machine run can enter shell 1 through air inlet pipe 9, and is filtered in filter main body 5 under the drainage of fan 6, then is discharged through noise reduction air duct assembly 7 and exhaust hole 8, to complete the rapid purification of air by filter, since the plurality of components in filter are arranged separately, filter can be quickly disassembled, and the use effect of filter is improved.

[0027] In order to reduce the noise generated during the use of filter, as Figure 3-4As shown, the noise reduction air duct assembly 7 further comprises a straight noise reduction air duct 10 and a first sound insulation cover 11, and a curved noise reduction air duct 12 and a second sound insulation cover 13, one end of the straight noise reduction air duct 10 and the curved noise reduction air duct 12 are communicated with the air outlet of the fan 6, the first sound insulation cover 11 and the second sound insulation cover 13 are respectively sleeved outside the straight noise reduction air duct 10 and the curved noise reduction air duct 12, the top of the bottom plate 3 is fixedly provided with a limiting frame 15, the fan 6 is arranged in the limiting frame 15, the top of the bottom plate 3 is fixedly provided with a sound insulation plate 16, and the fan 6 is fixedly arranged on the top of the sound insulation plate 16.

[0028] Before the filter is assembled, the straight noise reduction air duct 10 and the curved noise reduction air duct 12 can be selected according to requirements, when the shape of the air duct is determined, the air duct is connected with the air outlet of the fan 6, and the first sound insulation cover 11 or the second sound insulation cover 13 is installed, at this time, the airflow can effectively reduce the flow noise after being sucked by the fan 6, and the sound insulation plate 16 can reduce the operating noise of the fan 6, which can effectively reduce the noise of the filter during use.

[0029] In order to enable the plurality of components of the filter to be quickly separated, such as Figure 3 As shown, the outer wall of the cover 2 is fixedly provided with a clamping box 17 on both sides, and the outer wall of the shell 1 is rotatably provided with a clamping plate 18 at the upper end through a shaft pin, and the arc-shaped end of the clamping plate 18 is clamped in the clamping box 17.

[0030] The bottom plate 3 and the shell 1 are connected through a bolt assembly, and the cover 2 can be directly sleeved on the top of the shell 1, and the clamping plate 18 and the clamping box 17 are rotatably clamped, the connection between the cover 2 and the shell 1 is limited, so that the shell 1 and the cover 2 can be quickly combined or disassembled, further improving the use convenience of the filter.

[0031] The above only describes certain exemplary embodiments of the present application by way of illustration, without doubt, for ordinary skilled in the art, without departing from the spirit and scope of the present application, the described embodiments can be modified in various ways. Therefore, the above drawings and description are illustrative in nature and should not be understood as limiting the scope of protection of the claims of the present application.

Claims

1. A low-noise air filter for 3D printers and laser engraving machines, comprising a casing (1), a cover (2) and a bottom plate (3), characterized in that, The machine cover (2) covers the outside of the machine shell (1), the inner wall lower end of the machine shell (1) is fixedly provided with a support frame (4), the bottom plate (3) and the support frame (4) are screw-connected, the top of the support frame (4) is placed with a filter main body (5), a noise reduction air duct assembly (7) is arranged between the bottom plate (3) and the support frame (4), the noise reduction air duct assembly (7) comprises a fan (6), a plurality of exhaust holes (8) are formed in the lower end of the side wall of the machine shell (1), and an air inlet pipe (9) is communicated on the upper end of the outer wall of the machine shell (1).

2. The low noise air filter for 3D printer and laser engraver according to claim 1, characterized in that, The noise reduction air duct assembly (7) further comprises a straight exhaust noise reduction air duct (10), a first sound insulation cover (11), a curved noise reduction air duct (12) and a second sound insulation cover (13), one end of the straight exhaust noise reduction air duct (10) and the curved noise reduction air duct (12) is communicated with the air outlet of the fan (6), and the first sound insulation cover (11) and the second sound insulation cover (13) are respectively sleeved on the outer side of the straight exhaust noise reduction air duct (10) and the curved noise reduction air duct (12).

3. The low noise air filter for 3D printer and laser engraver according to claim 1, characterized in that, The inside of the support frame (4) is provided with a ventilation hole (14) matched with the filter main body (5).

4. The low noise air filter for 3D printer and laser engraver according to claim 1, characterized in that, The top of the bottom plate (3) is fixedly provided with a limiting frame (15), the fan (6) is arranged in the limiting frame (15), the top of the bottom plate (3) is fixedly provided with a sound insulation plate (16), and the fan (6) is fixedly arranged on the top of the sound insulation plate (16).

5. The low noise air filter for 3D printer and laser engraver according to claim 1, characterized in that, The outer wall of the machine cover (2) is fixedly provided with a clamping box (17) on both sides, the outer wall of the machine shell (1) is rotatably provided with a clamping plate (18) on the upper end of both sides through a shaft pin, and the arc-shaped end of the clamping plate (18) is clamped in the clamping box (17).

6. The low noise air filter for 3D printer and laser engraver according to claim 1, characterized in that, The lower end of the outer wall of the machine shell (1) is fixedly embedded with an opening and closing button (19), and the opening and closing button (19) is electrically connected with the fan (6).

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