CN212472433U

CN212472433U - High-efficient environmental protection 3D printer

Info

Publication number: CN212472433U
Application number: CN202020650735.XU
Authority: CN
Inventors: 乔国志
Original assignee: Zhejiang Qianmen Technology Co ltd
Current assignee: Zhejiang Qianmen Technology Co ltd
Priority date: 2020-04-26
Filing date: 2020-04-26
Publication date: 2021-02-05
Anticipated expiration: 2030-04-26

Abstract

The utility model provides a high-efficient environmental protection 3D printer belongs to 3D printing apparatus technical field. This high-efficient environmental protection 3D printer includes workstation, first bracing piece, printer body, dust cover, hot-blast supplying part, cold wind supplying part, first contact tube, first rose box, second contact tube, third contact tube. The utility model provides a first rose box is handled the gaseous through the third contact tube discharge into the air after will handling getting into wherein mist, cold wind supplies with the piece and lets in cold wind in the accommodation space when presetting time, through for the accommodation space in drum go into cold wind in hot wind supplies with a work period in order to cool down for the accommodation space, avoid continuously for the accommodation space in the drum go into hot-blast and make the accommodation space in the temperature last rise, make the product, printer body high temperature damages product and printer body high temperature and damages equipment, prolong equipment life, the efficiency that promotes harmful substance in the product and volatilizees is higher, moreover, the steam generator is simple in structure.

Description

High-efficient environmental protection 3D printer

Technical Field

The utility model belongs to the technical field of 3D printing apparatus, a high-efficient environmental protection 3D printer is related to.

Background

Nowadays, 3D printers are widely used in daily life or business of general individuals, homes, schools or enterprises, and the housings of these printers usually have an open structure to facilitate users to observe and operate during the printing process. Some materials used for printing of the existing 3D printer contain toxic components, such as formaldehyde, volatile harmful substances can be generated during printing and printed products, and the harmful substances flow into air without treatment, so that the air is polluted and life threat is caused to printer users.

Chinese patent CN207931087U, a high-efficient FDM formula 3D stereoprinter of environmental protection, including supporting seat, 3D printer body, dust cover, getter device and heating device, 3D printer body and supporting seat fixed connection, dust cover and supporting seat fixed connection to the cover closes 3D printer body, and getter device includes air compressor machine, breathing pipe and wind channel, and the air compressor machine sets up in supporting seat week side, breathing pipe and air compressor machine intercommunication, and the breathing pipe is located the dust cover. Lie in the dust cover through the breathing pipe, wind channel and breathing pipe intercommunication, the wind channel is the loop configuration, electric heater and fan are fixed in the through-hole in electric heater have the nozzle, the nozzle is towards the product on the 3D printer body, the harmful substance that contains in the product is under the effect of hot-blast, begin to volatilize, and in being inhaled the breathing pipe by the wind channel together with the harmful gas in the product manufacture process, can make the product give off harmful gas fast, and then guaranteed product user's healthy. In order to make harmful substance volatilize in the above-mentioned patent, then need continuous drum into hot-blastly, then the temperature around the 3D printer body can rise, temperature around the 3D printer body rises to behind the uniform temperature, can cause the damage to the performance of printer body and printing product, and hot-blastly from a passageway in drum into around the 3D printer body, it is inhomogeneous to make hot-blastly around the 3D printer like this, and then make the heat inhomogeneous around the 3D printer body, make the harmful substance degree of volatilizing inconsistent on the printing product, influence the treatment of the harmful substance of product.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the above-mentioned problem that prior art exists, provide a high-efficient environmental protection 3D printer, the utility model aims to solve the technical problem that: how to provide a high-efficient environmental protection 3D printer.

The purpose of the utility model can be realized by the following technical proposal:

the utility model provides a high-efficient environmental protection 3D printer, comprises a workbench, set up in 4 at least first bracing pieces of workstation bottom, set up in the workstation top, the printer body for printing out the product, set up in the workstation top, a dust cover for with workstation formation holding printer body's accommodation space, set up in the workstation bottom, a hot-blast supply member for letting in hot-blast all around for printer body makes harmful substance in the product volatilize, set up in workstation first end, a cold wind supply member for letting in cold wind in the accommodation space, set up in the accommodation space, one end stretches into in the dust cover, a first contact tube for exporting gas in the accommodation space, one end rigid coupling is in the workstation, a first rose box for collecting deriving gas from the accommodation space and processing, one end is connected to the other end of first contact tube, the first contact tube is connected to the printer body, The other end is connected with a second delivery pipe at the top end of the first filter tank and a third delivery pipe arranged at one end of the first filter tank.

Preferably, the dust cover is provided with an observation window for observing the printer body, and the center line of the observation window is superposed with the center line of the printer body.

Preferably, the hot air supply member includes a plurality of first air guide channels arranged around the printer body and on the workbench, a hot air box fixedly connected to the bottom end of the workbench, a first air inlet channel arranged at the bottom end of the hot air box, a first air inlet channel bottom fixedly connected to the hot air box, a first fan for blowing cold air into the first air inlet channel, an electric heater arranged at the top end of the first air inlet channel and used for heating the cold air into hot air, and a second air guide channel arranged in the hot air box, one end of which is communicated with the first air guide channels, and the other end of which is communicated with the first air inlet channels.

Preferably, first wind-guiding passageway symmetry sets up in printer body periphery, first wind-guiding passageway is 12, first wind-guiding passageway is the cylinder passageway.

Preferably, the cold air supply part comprises a cold air box fixedly connected to one end of the dust cover, a second fan fixedly connected to the cold air box and used for blowing cold air into the cold air box, and a first conveying pipe arranged at the other end of the cold air box and used for guiding the cold air into the accommodating space.

Preferably, be equipped with the third wind-guiding passageway that is used for receiving the cold wind that the second fan drum entered in the cold wind box, a fourth wind-guiding passageway for receiving the cold wind that third wind-guiding passageway carried, a fifth wind-guiding passageway for receiving the cold wind that fourth wind-guiding passageway carried and carry cold wind to first conveyer pipe, set up in third wind-guiding passageway, between the fourth wind-guiding passageway, one end is connected in the first backstop of cold wind box inside wall first end, one end is connected in the first backstop other end, the other end is connected in the first filter screen of cold wind box inside wall, set up in fourth wind-guiding passageway, between the fifth wind-guiding passageway, one end is connected in the second backstop of cold wind box inside wall second end, one end is connected in the second backstop other end, the other end is connected in the second filter.

Preferably, first backstop board one end is connected in the first end in cold air box inside wall bottom, first filter screen one end is connected in first backstop board top, the other end is connected in the first end in cold air box inside wall top, second backstop board one end is connected in cold air box inside wall top second end, second filter screen one end is connected in second backstop board bottom, the other end is connected in cold air box inside wall bottom second end, first duct connections is on the cold air box top, first filter screen and second filter screen are the HEPA filter screen, the equal vertical setting of first backstop board, second backstop board, first filter screen, second filter screen.

Preferably, the first filtering box comprises a sixth air guide channel for receiving the air introduced by the second outlet pipe, a seventh air guide channel for receiving the air introduced by the sixth air guide channel, an eighth air guide channel for receiving the air introduced by the seventh air guide channel, a ninth air guide channel for receiving the air introduced by the eighth air guide channel and delivering the introduced air to the third outlet pipe, a third stop plate with one end connected to the first end of the inner side wall of the first filtering box, a fourth stop plate with one end connected to the second end of the inner side wall of the first filtering box, a fifth stop plate with one end connected to the third end of the inner side wall of the first filtering box, a third filter screen with one end connected to the third stop plate and the other end connected to the fourth stop plate, a fourth filter screen with one end connected to the fourth stop plate and the other end connected to the fourth end of the inner side wall of the first filtering box, and a fifth filter screen with one end, The other end is connected with a fifth filter screen at the fifth end of the inner side wall of the first filter box.

Preferably, the third filter screen is the HEPA filter screen, the fourth filter screen is the active carbon filter screen, the fifth filter screen is the photocatalyst filter screen, be equipped with ultraviolet lamp, one end in the eighth wind-guiding passageway and connect in first rose box bottom, the other end is connected in the second bracing piece of ultraviolet lamp.

Preferably, third backstop board one end is connected in the first end in first rose box inside wall top, fourth backstop board one end is connected in the first end in first rose box inside wall bottom, fifth backstop board one end is connected in first filter screen inside wall top second end, third filter screen one end is connected in third backstop board bottom, the other end is connected in fourth backstop board, fourth filter screen top is connected in first rose box inside wall top third end, bottom is connected in fourth backstop board, fifth cross the filter screen top connect in fifth backstop board, bottom connect in first rose box inside wall bottom second end, third filter screen level sets up, the equal vertical setting of third backstop board, fourth backstop board, fifth backstop board, fourth filter screen, fifth cross the filter screen.

The utility model discloses a printer body prints out the product, hot-blast supply member is printer body is the hot-blast all around of letting in, improve the product temperature and make the harmful substance in the product volatilize, harmful substance gets into the accommodation space and forms the mist, first contact tube exports the mist in the accommodation space to first rose box, the second contact tube receives the mist in first contact tube and carries the mist to first rose box, first rose box handles the mist that gets into wherein and discharges the gas after the processing into the air through the third contact tube, cold wind supply member lets in cold wind in the accommodation space when presetting time, can be when hot-blast supply member work a period through blowing in cold wind in the accommodation space in order to cool down the accommodation space, avoid blowing in the accommodation space in the hot-blast and make the temperature in the accommodation space rise continuously, and then make product, printer body high temperature damage product and printer body high temperature damage equipment, extension equipment life promotes the volatile efficiency of harmful substance in the product higher, simple structure.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic structural view of a first air guiding passage in the present invention;

fig. 3 is a schematic structural diagram of a first filtering box in the present invention;

fig. 4 is a schematic structural view of the cooling air box of the present invention.

In the figure: 1-workbench, 11-first supporting rod, 2-dust cover, 21-observation window, 3-printer body, 4-second fan, 5-cold air box, 51-first conveying pipe, 52-third air guide channel, 521-first stop plate, 522-first filter screen, 53-fourth air guide channel, 531-second stop plate, 532-second filter screen, 54-fifth air guide channel, 6-hot air supply part, 61-first air guide channel, 62-first fan, 63-electric heater, 64-first air guide channel, 7-first guide pipe, 8-first filter box, 81-second guide pipe, 82-third guide pipe, 83-sixth air guide channel, 831-third stop plate, 832-third filter screen, 84-a seventh air guide channel, 841-a fourth stop plate, 842-a fourth filter screen, 85-an eighth air guide channel, 851-a fifth stop plate, 852-a fifth filter screen, 853-an ultraviolet lamp, 854-a second support rod and 86-a ninth air guide channel.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

Referring to fig. 1, 2, 3 and 4, the high-efficiency environment-friendly 3D printer in this embodiment includes a workbench 1, at least 4 first support rods 11 disposed at a bottom end of the workbench 1, a printer body 3 disposed at a top end of the workbench 1 for printing out a product, a dust cover 2 disposed at the top end of the workbench 1 for forming an accommodating space for accommodating the printer body 3 with the workbench 1, a hot air supply member 6 disposed at a bottom end of the workbench 1 for supplying hot air to the periphery of the printer body 3 to increase a temperature of the product so as to volatilize harmful substances in the product, a cold air supply member disposed at a first end of the workbench 1 for supplying cold air into the accommodating space, a first discharge pipe 7 disposed in the accommodating space and having one end extending into the dust cover 2 for discharging air from the accommodating space, a first filter box 8 having one end fixed to the workbench 1 for collecting and discharging air from the accommodating space, a second delivery pipe 81 with one end connected to the other end of the first delivery pipe 7 and the other end connected to the top end of the first filtering tank 8, and a third delivery pipe 82 disposed at one end of the first filtering tank 8.

Here, the printer body 3 prints out a product, the hot air supply member 6 is formed by introducing hot air around the printer body 3, raising the temperature of the product to volatilize harmful substances in the product, the harmful substances enter the accommodating space to form mixed gas, the first delivery pipe 7 delivers the mixed gas in the accommodating space to the first filtering box 8, the second delivery pipe 81 receives the mixed gas in the first delivery pipe 7 and delivers the mixed gas to the first filtering box 8, the first filtering box 8 processes the mixed gas entering the first filtering box and discharges the processed gas into the air through the third delivery pipe 82, the cold air supply member introduces cold air into the accommodating space at a preset time, the cold air supply member can cool the accommodating space by blowing cold air into the accommodating space when the hot air supply member 6 works for a period of time, and the temperature in the accommodating space is prevented from being raised continuously due to blowing hot air into the accommodating space, and then make 3 high temperature of product, printer body damage product and 3 high temperature of printer body damage equipment, extension equipment life promotes the volatile efficiency of harmful substance in the product higher, simple structure.

Can be equipped with the observation window 21 that is used for observing printer body 3 on the dust cover 2, the central line of observation window 21 and the coincidence of the central line of printer body 3, printer body 3 can set up in workstation 1 middle part, the central line of observation window 21 can, the coincidence of the central line of printer body 3, the central line of workstation 1. The observation window 21 may be a transparent observation window 21, and the area of the observation window 21 is larger than that of the printer body 3. The dust cover 2 can be movably connected to the workbench 1.

The hot air supply member 6 may include a plurality of first air guide channels 64 disposed around the printer body 3 and on the work table 1, a hot air box fixedly connected to the bottom end of the work table 1, a first air inlet channel 61 disposed at the bottom end of the hot air box, a first air inlet channel 61 bottom end fixedly connected to the hot air box, a first fan 62 for blowing cold air into the first air inlet channel 61, an electric heater 63 disposed at the top end of the first air inlet channel 61 for heating the cold air into hot air, and a second air guide channel disposed in the hot air box, one end of which is communicated with the first air guide channels 64, and the other end of which is communicated with the first air inlet channel 61.

The first air guiding channels 64 can be symmetrically arranged on the periphery of the printer body 3, the number of the first air guiding channels 64 is 12, and the first air guiding channels 64 are cylindrical channels. The centers of any two adjacent first air guide channels 64 are connected to form a circle. The hot air box is a cylindrical hot air box, and the second air guide channel is a cylindrical channel.

The cold air supply part can comprise a cold air box 5 fixedly connected to one end of the dust cover 2, a second fan 4 fixedly connected to the cold air box 5 and used for blowing cold air into the cold air box 5, and a first conveying pipe 51 arranged at the other end of the cold air box 5 and used for guiding cold air into the accommodating space. The cold air box 5 can be a rectangular cold air box 5. A connecting rod with one end fixedly connected with the workbench 1 and the other end fixedly connected with the second fan 4 can also be arranged.

A third air guide channel 52 used for receiving cold air blown by the second fan 4 is arranged in the cold air box 5, a fourth air guide channel 53 used for receiving the cold air conveyed by the third air guide channel 52, a fifth air guide channel 54 used for receiving the cold air conveyed by the fourth air guide channel 53 and conveying the cold air to the first conveying pipe 51, the third air guide channel 52 is arranged between the fourth air guide channel 53, one end of the first stop plate 521 is connected to the first end of the inner side wall of the cold air box 5, one end of the first stop plate 521 is connected to the other end of the first stop plate 521, the other end of the first stop plate is connected to the first filter screen 522 of the inner side wall of the cold air box 5, the fourth air guide channel 53 and the fifth air guide channel 54 are arranged, one end of the second stop plate 531 is connected to the second end of the inner side wall of the cold air box 5, one end of.

First backstop 521 one end is connected in the first end in 5 inside wall bottoms of cold wind box, first filter screen 522 one end is connected on first backstop 521 top, the other end is connected in the first end in 5 inside wall tops of cold wind box, second backstop 531 one end is connected in 5 inside wall tops of cold wind box second end, second filter screen 532 one end is connected in second backstop 531 bottom, the other end is connected in 5 inside wall bottoms of cold wind box second end, first conveyer pipe 51 is connected in 5 tops of cold wind box, first filter screen 522 and second filter screen 532 are the HEPA filter screen, first backstop 521, second backstop 531, first filter screen 522, the equal vertical setting of second filter screen 532. Cold wind can be the air, and first filter screen 522 and second filter screen 532 filter for the cold wind of second fan 4 input, get rid of the large granule thing in the cold wind, get rid of the dust in the cold wind, through setting up first filter screen 522 and second filter screen 532 from top to bottom to make the cold wind that gets into in the cold wind box 5 obtain abundant filtration, avoid cold wind to pass through cold wind box 5 fast and do not obtain the complete filtration.

The first filtering box 8 may include a sixth air guiding channel 83 for receiving the air introduced from the second outlet 81, a seventh air guiding channel 84 for receiving the air introduced from the sixth air guiding channel 83, an eighth air guiding channel 85 for receiving the air introduced from the seventh air guiding channel 84, a ninth air guiding channel 86 for receiving the air introduced from the eighth air guiding channel 85 and delivering the introduced air to the third outlet 82, a third stopping plate 831 connected to a first end of an inner sidewall of the first filtering box 8 at one end, a fourth stopping plate 841 connected to a second end of the inner sidewall of the first filtering box 8 at one end, a fifth stopping plate 851 connected to a third end of the inner sidewall of the first filtering box 8 at one end, a third filtering net 831 connected to the third stopping plate 831 at another end, a fourth filtering net 841 connected to the fourth stopping plate 841 at one end, a fourth filtering net 842 connected to a fourth end of the inner sidewall of the first filtering box 8 at another end, a fifth filter screen 852 having one end connected to the fifth stopper plate 851 and the other end connected to the fifth end of the inner sidewall of the first filter tank 8. The third blocking plate 831 is disposed on the sixth air guiding channel 83 and the seventh air guiding channel 84, the fourth blocking plate 841 is disposed on the seventh air guiding channel 84 and the eighth air guiding channel 85, and the fifth blocking plate 851 is disposed on the eighth air guiding channel 85 and the ninth air guiding channel 86.

The third filter 832 can be a HEPA filter, the fourth filter 842 is an activated carbon filter, the fifth filter 852 is a photocatalyst filter, an ultraviolet lamp 853 is arranged in the eighth air guiding channel 85, one end of the ultraviolet lamp is connected to the bottom of the first filter box 8, and the other end of the ultraviolet lamp is connected to the second support rod 854 of the ultraviolet lamp 853. The third filter screen 832 can filter the dust in the mist, and the active carbon filter screen can carry out primary filtration to the harmful substance in the mist, opens ultraviolet lamp 853, and the photocatalyst filter screen can carry out secondary filtration to the harmful substance in the mist under the effect of ultraviolet to make the mist obtain abundant filtration, avoid discharging polluted air in the air.

The third stop plate 831 can be connected to the first end of the top of the inner sidewall of the first filtering tank 8 at one end, the fourth stop plate 841 is connected to the first end of the bottom of the inner sidewall of the first filtering tank 8 at one end, the fifth stop plate 851 is connected to the second end of the top of the inner sidewall of the first filtering tank 522 at one end, the third filtering screen 832 is connected to the bottom end of the third stop plate 831 at one end and the fourth stop plate 841 at the other end, the top end of the fourth filtering screen 842 is connected to the third end of the top of the inner sidewall of the first filtering tank 8 at the bottom end, the fifth filtering screen 852 is connected to the fifth stop plate 851 at the top end and the bottom end is connected to the second end of the bottom of the inner sidewall of the first filtering tank 8 at the bottom end, the third filtering screen 832 is horizontally arranged, the third stop plate 831, the fourth stop plate 841, the fifth stop plate 851, the fourth filtering screen 842, thereby leading the harmful substances in the mixed gas to be fully removed.

The electric heater may be an air electric heater, and may further include a power supply for supplying power to the first fan 62, the second fan 4, the printer body 3, and the electric heater 63.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides a high-efficient environmental protection 3D printer which characterized in that: comprises a workbench (1), at least 4 first supporting rods (11) arranged at the bottom end of the workbench (1), a printer body (3) arranged at the top end of the workbench (1) and used for printing out a product, a dust cover (2) arranged at the top end of the workbench (1) and used for forming an accommodating space for accommodating the printer body (3) with the workbench (1), a hot air supply piece (6) arranged at the bottom end of the workbench (1) and used for introducing hot air to the periphery of the printer body (3) so as to improve the temperature of the product and volatilize harmful substances in the product, a cold air supply piece arranged at the first end of the workbench (1) and used for introducing cold air into the accommodating space, a first outlet pipe (7) arranged in the accommodating space and used for leading out the gas in the accommodating space, and a first filter box (8) with one end fixedly connected to the workbench (1) and used for collecting and processing the gas led out from the accommodating space, a second delivery pipe (81) with one end connected with the other end of the first delivery pipe (7) and the other end connected with the top end of the first filtering box (8), and a third delivery pipe (82) arranged at one end of the first filtering box (8).

2. The efficient and environmentally friendly 3D printer of claim 1, wherein: be equipped with observation window (21) that are used for observing printer body (3) on dust cover (2), the central line of observation window (21) and the coincidence of the central line of printer body (3).

3. An efficient and environmentally friendly 3D printer as claimed in claim 1 or 2, wherein: the hot air supply piece (6) comprises a plurality of first air guide channels (64) arranged on a workbench (1), a hot air box fixedly connected to the bottom end of the workbench (1), a first air inlet channel (61) arranged at the bottom end of the hot air box, a first air inlet channel (61) bottom end fixedly connected to the hot air box, a first fan (62) used for blowing cold air into the first air inlet channel (61), a second air guide channel arranged in the hot air box, one end of the second air guide channel is communicated with the first air guide channels (64), and the other end of the second air guide channel is communicated with the first air inlet channels (61).

4. The efficient and environmentally friendly 3D printer of claim 3, wherein: first wind-guiding passageway (64) symmetry sets up in printer body (3) periphery, first wind-guiding passageway (64) are 12, first wind-guiding passageway (64) are the cylinder passageway.

5. The efficient and environmentally friendly 3D printer of claim 3, wherein: the cold air supply part comprises a cold air box (5) fixedly connected to one end of the dust cover (2), a second fan (4) fixedly connected to the cold air box (5) and used for blowing cold air into the cold air box (5), and a first conveying pipe (51) arranged at the other end of the cold air box (5) and used for guiding the cold air into the accommodating space.

6. The efficient and environmentally friendly 3D printer of claim 5, wherein: a third air guide channel (52) used for receiving cold air blown by the second fan (4) is arranged in the cold air box (5), a fourth air guide channel (53) used for receiving the cold air conveyed by the third air guide channel (52), a fifth air guide channel (54) used for receiving the cold air conveyed by the fourth air guide channel (53) and conveying the cold air to the first conveying pipe (51), a first stop plate (521) arranged between the third air guide channel (52) and the fourth air guide channel (53) and with one end connected to the first end of the inner side wall of the cold air box (5), a first filter screen (522) with one end connected to the other end of the first stop plate (521) and the other end connected to the inner side wall of the cold air box (5), and a second stop plate (531) arranged between the fourth air guide channel (53) and the fifth air guide channel (54) and with one end connected to the second end of the inner side wall of the cold, one end of the second filter screen (532) is connected with the other end of the second stop plate (531), and the other end of the second filter screen is connected with the inner side wall of the cold air box (5).

7. The efficient and environmentally friendly 3D printer of claim 6, wherein: first backstop board (521) one end is connected in the first end in cold wind box (5) inside wall bottom, first filter screen (522) one end is connected in first backstop board (521) top, the other end is connected in the first end in cold wind box (5) inside wall top, second backstop board (531) one end is connected in cold wind box (5) inside wall top second end, second filter screen (532) one end is connected in second backstop board (531) bottom, the other end is connected in cold wind box (5) inside wall bottom second end, first conveyer pipe (51) are connected in cold wind box (5) top, first filter screen (522) and second filter screen (532) are the HEPA filter screen, first backstop board (521), second backstop board (531), first filter screen (522), the equal vertical setting of second filter screen (532).

8. The efficient and environmentally friendly 3D printer of claim 3, wherein: the first filtering box (8) comprises a sixth air guide channel (83) used for receiving air introduced from the second outlet pipe (81), a seventh air guide channel (84) used for receiving the air introduced from the sixth air guide channel (83), an eighth air guide channel (85) used for receiving the air introduced from the seventh air guide channel (84), a ninth air guide channel (86) used for receiving the air introduced from the eighth air guide channel (85) and conveying the introduced air to the third outlet pipe (82), a third stop plate (831) with one end connected to the first end of the inner side wall of the first filtering box (8), a fourth stop plate (841) with one end connected to the second end of the inner side wall of the first filtering box (8), a fifth stop plate (851) with one end connected to the third end of the inner side wall of the first filtering box (8), a third filtering net (841) with one end connected to the third stop plate (831) and the other end connected to the fourth stop plate (841), one end of the fourth filter screen (842) is connected with the fourth stop plate (841), the other end of the fourth filter screen is connected with the fourth end of the inner side wall of the first filter tank (8), one end of the fifth filter screen (852) is connected with the fifth stop plate (851), and the other end of the fifth filter screen is connected with the fifth end of the inner side wall of the first filter tank (8).

9. The efficient and environmentally friendly 3D printer of claim 8, wherein: third filter screen (832) are the HEPA filter screen, fourth filter screen (842) are the active carbon filter screen, fifth filter screen (852) are the photocatalyst filter screen, be equipped with ultraviolet lamp (853) in eighth wind-guiding passageway (85), one end is connected in second bracing piece (854) of ultraviolet lamp (853) in first rose box (8) bottom, other end connection.

10. The efficient and environmentally friendly 3D printer of claim 9, wherein: third backstop board (831) one end is connected in first rose box (8) inside wall top first end, fourth backstop board (841) one end is connected in first rose box (8) inside wall bottom first end, fifth backstop board (851) one end is connected in first filter screen (522) inside wall top second end, third filter screen (832) one end is connected in third backstop board (831) bottom, the other end is connected in fourth backstop board (841), fourth filter screen (842) top is connected in first rose box (8) inside wall top third end, bottom connection is in fourth backstop board (841), fifth filter screen (852) top is connected in fifth backstop board (851), the bottom is connected in first rose box (8) inside wall bottom second end, third filter screen (832) level sets up, third backstop board (831), fourth backstop board (841), The fifth stop plate (851), the fourth filter screen (842) and the fifth filter screen (852) are all vertically arranged.