CN215609986U

CN215609986U - Air filtering device of 3D printer

Info

Publication number: CN215609986U
Application number: CN202121737706.8U
Authority: CN
Inventors: 李国祥
Original assignee: Chengdu Wanpu Printing Co ltd
Current assignee: Chengdu Wanpu Printing Co ltd
Priority date: 2021-07-29
Filing date: 2021-07-29
Publication date: 2022-01-25
Anticipated expiration: 2031-07-29

Abstract

The utility model discloses an air filtering device of a 3D printer, which comprises a printer body, a buckling mechanism and an air suction mechanism, wherein an exhaust part of the printer body is fixedly connected with a shell, the upper surface of the shell is provided with a mounting groove, a fixing frame is connected in the mounting groove in a sliding manner, the upper surface of the fixing frame is fixedly connected with a handle, the outer side wall of the fixing frame is provided with the buckling mechanism, the buckling mechanism comprises a movable groove, a spring, an elastic clamping ball and a spherical clamping groove, the outer side wall of the fixing frame is provided with the movable groove, the inner side wall of the movable groove is provided with the spring, one end of the spring is fixedly connected with the elastic clamping ball, the inner side wall of the mounting groove is provided with the spherical clamping groove, and the spherical clamping groove is matched with the elastic clamping ball. The fixing frame is convenient to mount and dismount, the filtering mechanism is convenient to replace and clean, the gas is filtered doubly through the activated carbon layer and the glass fiber layer, the filtering effect is better, and harmful gas is prevented from overflowing and scattering.

Description

Air filtering device of 3D printer

Technical Field

The utility model relates to the technical field of 3D printing, in particular to an air filtering device of a 3D printer.

Background

The existing 3D printer based on the FDM technology heats materials such as thermoplastic plastics, wax or metal, and then sprays out a fused fuse wire through a heated nozzle to make a design model. Most of the existing desktop type 3D printers based on the FDM technology are open, and the open desktop type 3D printers can directly release harmful gas into the air, so that the human health is harmed. The household 3D printer is generally an open desktop 3D printer based on FDM technology, and when the printer operates indoors, a large amount of toxic ultrafine particles (UFPs) can be released indoors, but general household users do not use protective equipment, and the released toxic particles can float in indoor air and can be easily inhaled into the lung or even the brain by people, and excessive accumulation can cause lung diseases, blood diseases and nervous system diseases, even death, and influence human health.

Patent number CN205412521U discloses an air filter for 3D printer, the utility model is applied to the domestic open desktop formula 3D printer based on FDM technique, the poisonous gas that discharges in the 3D printer is introduced into the air filter channel plate through the fan, then through tertiary filtration, excellent filter effect has, the harm of the gas that discharges during the domestic 3D printer work process to the human body has been avoided, the safety in utilization of the domestic open desktop formula 3D printer based on FDM technique has been improved, the personal safety has been ensured.

The air filter device of the existing 3D printer has the following disadvantages: 1. the device is inconvenient to mount and dismount, the filtering mechanism is inconvenient to replace and clean, and the filtering effect is possibly reduced after long-time use; 2. the gas exhausted from the printer is lack of guide, and only the gas is automatically led to the filtering mechanism, so that the filtering effect is poor, and more harmful gas is overflowed and scattered. For this reason, we propose an air filtering device for a 3D printer.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide an air filtering device of a 3D printer, which can effectively solve the problems in the background art.

In order to achieve the purpose, the utility model adopts the technical scheme that:

the utility model provides an air filter of 3D printer, includes printer body, buckle mechanism and the mechanism that induced drafts, printer body exhaust department goes out the fixedly connected with casing, the mounting groove has been seted up to the casing upper surface, sliding connection has the mount in the mounting groove, fixed surface is connected with the handle on the mount, buckle mechanism is installed to the mount lateral wall, buckle mechanism is including activity groove, spring, elasticity card ball and spherical draw-in groove, the activity groove has been seted up to the mount lateral wall, the spring is installed to activity inslot inside wall, spring one end fixedly connected with elasticity card ball, spherical draw-in groove and spherical draw-in groove agree with elasticity card ball mutually to the mounting groove inside wall.

Furthermore, the inner side wall of the fixed frame is connected with sliding blocks in a sliding manner, an activated carbon layer and a glass fiber layer are fixedly connected between the sliding blocks, and an air suction mechanism is arranged on the inner side wall of the shell; carry out dual filtration through activated carbon layer and glass fiber layer to gas, the filter effect is better, and accessible slider takes out activated carbon layer and glass fiber layer fast, is convenient for change and wash.

Furthermore, the air suction mechanism comprises a support frame, a motor, a transmission rod, a blade and a machine head, wherein the inner side wall of the shell is fixedly connected with the support frame, the motor is arranged between the support frames, the power output end of the motor is fixedly connected with the transmission rod, one end of the transmission rod is fixedly connected with the machine head, and the blade is arranged on the surface of the machine head; the operation of the motor can be controlled by the controller, the power output end of the motor rotates to drive the transmission rod to rotate, the transmission rod rotates to drive the machine head to rotate, the machine head rotates to drive the blades to rotate, and the blades are driven to form air convection, so that air is sucked.

Furthermore, the upper surface of the fixing frame is fixedly connected with a sealing gasket, and the inner side wall of the shell is fixedly connected with a protective net; the sealed gas tightness of guaranteeing mount and mounting groove junction that fills up prevents that gas from overflowing to scatter, and the protection network prevents that external debris and winged insect from getting into in the casing, leads to filter equipment to damage.

Further, the motor is electrically connected with an external power supply through a controller of the 3D printer; the motor can be controlled to operate through the controller, so that the operation of the air suction mechanism is controlled, and the operation is simple and convenient.

Compared with the prior art, the utility model has the following beneficial effects: 1. accessible handle is direct to be installed the mount, when the mount submerges in the mounting groove, elasticity card ball receives pressure, elasticity card ball compression spring, when the mount submerges in the mounting groove completely, elasticity card ball agrees with spherical clamping groove mutually, the spring loses pressure recovery to initial condition, spring one end is removed and is driven elasticity card ball removal, until elasticity card ball submerges in the spherical clamping groove, thereby accomplish the installation to the mount, take out activated carbon layer and glass fiber layer fast through the slider, be convenient for change and wash activated carbon layer and glass fiber layer, the gas tightness of sealed pad guarantee mount and mounting groove junction, prevent that harmful gas from spilling over, the protection network prevents that external debris and winged insect from getting into in the casing, the mount installation is dismantled conveniently, filtering mechanism is convenient for change and wash.

2. Through the operation of controller control motor, motor power take off end rotates and drives the transfer line and rotate, the transfer line rotates and drives the aircraft nose rotation, the aircraft nose rotates and drives the blade rotation, the blade transmission forms the air convection, thereby realize the attraction to gas, gas passes through activated carbon layer and glass fiber layer, gas at first passes through the glass fiber layer, glass fiber layer surface is smooth, the filter resistance is little, be favorable to the dust to peel off, filter the tiny particle dust, then pass through the activated carbon layer, the activated carbon layer is mainly responsible for the peculiar smell in the absorption flue gas, thereby accomplish the filtration to gas, the filter effect is good, prevent that harmful gas from overflowing and scattering.

Drawings

Fig. 1 is a schematic overall structure diagram of an air filtering device of a 3D printer according to the present invention.

Fig. 2 is a schematic structural diagram of a side view of a housing of an air filtering device of a 3D printer according to the present invention.

Fig. 3 is a schematic structural diagram of a fastening mechanism of an air filtering device of a 3D printer according to the present invention.

In the figure: 1. a printer body; 2. a housing; 3. a protective net; 4. a buckle mechanism; 41. a movable groove; 42. a spring; 43. elastic ball clamping; 44. a spherical clamping groove; 5. an air suction mechanism; 51. a support frame; 52. a motor; 53. a transmission rod; 54. a blade; 55. a machine head; 6. a fixed mount; 7. a handle; 8. a gasket; 9. an activated carbon layer; 10. a glass fiber layer; 11. a slider; 12. and (4) mounting the groove.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

As shown in fig. 1-3, an air filter of 3D printer, including printer body 1, buckle mechanism 4 and the mechanism 5 that induced drafts, the fixedly connected with casing 2 is located to printer body 1 exhaust, mounting groove 12 has been seted up to 2 upper surfaces of casing, sliding connection has mount 6 in the mounting groove 12, fixed surface is connected with handle 7 on the mount 6, buckle mechanism 4 is installed to 6 lateral walls of mount, buckle mechanism 4 is including activity groove 41, spring 42, elasticity card ball 43 and spherical clamping groove 44, activity groove 41 has been seted up to 6 lateral walls of mount, spring 42 is installed to activity groove 41 inside wall, spring 42 one end fixedly connected with elasticity card ball 43, spherical clamping groove 44 and spherical clamping groove 44 agree with mutually with elasticity card ball 43 have been seted up to 12 inside walls of mounting groove.

The inner side wall of the fixed frame 6 is connected with sliding blocks 11 in a sliding manner, an activated carbon layer 9 and a glass fiber layer 10 are fixedly connected between the sliding blocks 11, and the inner side wall of the shell 2 is provided with an air suction mechanism 5; carry out double filtration to gas through activated carbon layer 9 and glass fiber layer 10, the filter effect is better, and accessible slider 11 takes out activated carbon layer 9 and glass fiber layer 10 fast, is convenient for change and wash.

The air suction mechanism 5 comprises support frames 51, a motor 52, a transmission rod 53, blades 54 and a machine head 55, wherein the support frames 51 are fixedly connected to the inner side wall of the shell 2, the motor 52 is installed between the support frames 51, the transmission rod 53 is fixedly connected to the power output end of the motor 52, one end of the transmission rod 53 is fixedly connected with the machine head 55, and the blades 54 are installed on the surface of the machine head 55; the operation of the motor 52 can be controlled by the controller, the power output end of the motor 52 rotates to drive the transmission rod 53 to rotate, the transmission rod 53 rotates to drive the machine head 55 to rotate, the machine head 55 rotates to drive the blades 54 to rotate, and the blades 54 are driven to form air convection, so that the air suction is realized.

The upper surface of the fixing frame 6 is fixedly connected with a sealing gasket 8, and the inner side wall of the shell 2 is fixedly connected with a protective net 3; the sealing gasket 8 ensures the air tightness of the joint of the fixing frame 6 and the mounting groove 12, prevents gas from overflowing and scattering, and the protective net 3 prevents foreign matters and winged insects from entering the shell 2, so that the filter device is damaged.

Wherein, the motor 52 is electrically connected with an external power supply through a controller of the 3D printer; the operation of the motor 52 can be controlled by the controller, so that the operation of the air suction mechanism 5 is controlled, and the operation is simple and convenient.

It should be noted that, the utility model is an air filtering device of a 3D printer, when in use, the controller controls the motor 52 to operate, the power output end of the motor 52 rotates to drive the transmission rod 53 to rotate, the transmission rod 53 rotates to drive the head 55 to rotate, the head 55 rotates to drive the blades 54 to rotate, the blades 54 drive to form air convection, so as to realize the suction of air, the air passes through the activated carbon layer 9 and the glass fiber layer 10, the air firstly passes through the glass fiber layer 10, the surface of the glass fiber layer 10 is smooth, the filtering resistance is small, the dust stripping is facilitated, the small particle dust is filtered, then the activated carbon layer 9 mainly takes charge of absorbing the peculiar smell in the smoke through the activated carbon layer 9, so as to complete the filtering of the air, the filtering effect is good, the fixing frame 6 can be directly installed through the handle 7, when the fixing frame 6 is immersed in the installation groove 12, the elastic clamping ball 43 receives pressure, the elastic ball 43 compresses the spring 42, when the fixing frame 6 is completely immersed in the mounting groove 12, the elastic ball 43 fits with the spherical slot 44, the spring 42 loses pressure and recovers to the initial state, one end of the spring 42 moves to drive the elastic ball 43 to move until the elastic ball 43 is immersed in the spherical slot 44, and therefore the fixing frame 6 is mounted.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an air filtering device of 3D printer, includes printer body (1), buckle mechanism (4) and the mechanism (5) that induced drafts, its characterized in that, printer body (1) exhaust department fixedly connected with casing (2), mounting groove (12) have been seted up to casing (2) upper surface, sliding connection has mount (6) in mounting groove (12), fixed surface is connected with handle (7) on mount (6), buckle mechanism (4) are installed to mount (6) lateral wall, buckle mechanism (4) are including activity groove (41), spring (42), elasticity card ball (43) and spherical draw-in groove (44), activity groove (41) have been seted up to mount (6) lateral wall, spring (42) are installed to activity groove (41) inside wall, spring (42) one end fixedly connected with elasticity card ball (43), the inner side wall of the mounting groove (12) is provided with a spherical clamping groove (44), and the spherical clamping groove (44) is matched with the elastic clamping ball (43).

2. The air filtering device of the 3D printer according to claim 1, wherein: the utility model discloses a glass fiber reinforced plastic composite material, including mount (6), mount (6) inside wall sliding connection has slider (11), fixedly connected with activated carbon layer (9) and glass fiber layer (10) between slider (11), induced draft mechanism (5) are installed to casing (2) inside wall.

3. The air filtering device of the 3D printer according to claim 1, wherein: induced draft mechanism (5) are including support frame (51), motor (52), transfer line (53), blade (54) and aircraft nose (55), casing (2) inside wall fixedly connected with support frame (51), install motor (52) between support frame (51), motor (52) power take off end fixedly connected with transfer line (53), transfer line (53) one end fixedly connected with aircraft nose (55), aircraft nose (55) surface mounting has blade (54).

4. The air filtering device of the 3D printer according to claim 1, wherein: fixed surface is connected with sealed pad (8) on mount (6), casing (2) inside wall fixedly connected with protection network (3).

5. An air filtering device of a 3D printer according to claim 3, characterized in that: the motor (52) is electrically connected with an external power supply through a controller of the 3D printer.