CN214392353U

CN214392353U - False tooth metal laser 3D printing apparatus

Info

Publication number: CN214392353U
Application number: CN202022448705.3U
Authority: CN
Inventors: 牛东平; 牛力
Original assignee: Beijing Liaison Dental Technology Co Ltd
Current assignee: Beijing Liaison Dental Technology Co Ltd
Priority date: 2020-10-29
Filing date: 2020-10-29
Publication date: 2021-10-15
Anticipated expiration: 2030-10-29

Abstract

The utility model discloses an artificial tooth metal laser 3D printing apparatus, including mounting plate, mounting plate's lower fixed surface is connected with the supporting leg, the fixed surface of supporting leg is connected with the overlap joint board, the upper surface of overlap joint board is the first electric telescopic handle of fixedly connected with and first collecting box respectively, the last fixed surface of first collecting box is connected with the pipe, mounting plate's upper surface is fixedly connected with air pump, second collecting box, work box and printing controller respectively, the first electronic slide rail of inner wall fixedly connected with of work box, the side of first electronic slide rail is provided with first slider. This artificial tooth metal laser 3D printing apparatus through setting up electronic slide rail of third, third slider and sweeping the board, is convenient for with raw material powder propelling movement to the mouth that removes dust and fall into first collecting box, through setting up air pump and suction drum, is convenient for inhale the second collecting box with raw material powder to make this equipment have the function of being convenient for collect raw material powder.

Description

False tooth metal laser 3D printing apparatus

Technical Field

The utility model relates to a 3D prints technical field, specifically is an artificial tooth metal laser 3D printing apparatus.

Background

3D printing is typically accomplished using digital technology material printers, which have applications in jewelry, footwear, industrial design, construction, engineering and construction, automotive, aerospace, dental and medical industries, education, geographic information systems, civil engineering, firearms, and other fields.

In the dental field, a 3D printing technology is used for false tooth printing, in the existing 3D printing equipment, after false tooth printing is completed, more raw material powder exists in the equipment, and the raw material powder needs to be manually cleaned by technicians and is inconvenient to clean, so that the false tooth metal laser 3D printing equipment is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an artificial tooth metal laser 3D printing apparatus to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the false tooth metal laser 3D printing equipment comprises an installation bottom plate, wherein the lower surface of the installation bottom plate is fixedly connected with a supporting leg, the surface of the supporting leg is fixedly connected with a lapping plate, the upper surface of the lapping plate is respectively and fixedly connected with a first electric telescopic rod and a first collecting box, the upper surface of the first collecting box is fixedly connected with a guide pipe, the upper surface of the installation bottom plate is respectively and fixedly connected with an air pump, a second collecting box, a working box and a printing controller, the inner wall of the working box is fixedly connected with a first electric sliding rail, the side surface of the first electric sliding rail is provided with a first sliding block, the side surface of the first sliding block is fixedly connected with a sliding plate, the lower surface of the sliding plate is fixedly connected with a second electric sliding rail, the lower surface of the second electric sliding rail is provided with a second sliding block, the lower surface of the second sliding block is fixedly connected with a second electric telescopic rod, the utility model discloses a dust suction device, including work box, second electric telescopic handle's flexible end fixedly connected with laser generator, the interior back wall fixedly connected with third electric slide rail of work box, the front of third electric slide rail is provided with the third slider, the lower fixed surface of third slider is connected with sweeps the board, the side fixedly connected with suction drum of third slider, the top fixedly connected with spring pipe of suction drum, the side fixedly connected with defeated dirt pipe of work box, the interior bottom wall sliding connection of work box has first roof, the equal fixedly connected with defeated tuber pipe of output and the input of air pump.

Preferably, the number of the supporting legs is four, and the four supporting legs are arranged at four corners of the lower surface of the mounting bottom plate in a rectangular array.

Preferably, first electronic slide rail, the electronic slide rail of second, second electric telescopic handle and laser generator all with print controller electric connection.

Preferably, the inner bottom wall of the work box is respectively provided with a sliding opening and a dust removal opening, the side surface of the first top plate is in lap joint with the inner wall of the sliding opening, the upper surface of the mounting base plate is respectively provided with an opening matched with the sliding opening and the dust removal opening, the telescopic end of the first electric telescopic rod is fixedly connected with the lower surface of the first top plate, and the top end of the guide pipe is fixedly connected with the lower surface of the mounting base plate.

Preferably, one end of the spring pipe, which is far away from the dust suction barrel, is fixedly connected with one end of the dust conveying pipe, the other end of the dust conveying pipe is fixedly connected with the side face of the second collecting box, one end of the air conveying pipe, which is far away from the air pump, is fixedly connected with the back face of the second collecting box, and the inner wall of the air conveying pipe is fixedly connected with the filter screen.

Preferably, the front surfaces of the working box, the first collecting box and the second collecting box are rotatably connected with a movable door through hinges, and the lower surface of the sweeping plate is in sliding connection with the inner bottom wall of the working box.

Preferably, the second collection tank includes: the shell, the second top plate and the discharge opening, the second top plate is arranged on the top end of the shell, the upper side wall of the shell is provided with a feed inlet, the second top plate is provided with an air suction port, a first filter is arranged above the feed inlet in the shell, the center of the first filter is provided with a first round pipe extending downwards, the bottom of the first filter is provided with a filter screen, the filter screen is positioned at the outer side of the first round pipe, the bottom of the filter screen is provided with a dust raising baffle, the inner wall of the shell is provided with a second filter and is positioned below the first filter, the second filter is in a conical shape with a large upper part and a small lower part, the side wall of the second filter is provided with a plurality of through holes, the lower part of the second filter is provided with a second round pipe, the lower end of the second round pipe is connected with the discharge opening in a sealing manner, the inner wall of the second round pipe and the discharge opening form a rough filtering chamber, the outer wall of the second round pipe, the inner wall of the shell and the discharge opening form a fine filtering chamber, the dust conveying pipe is connected with the feed inlet, and the air suction port is connected with the air conveying pipe.

Preferably, a backflow prevention device is arranged in the air delivery pipe, a backflow prevention shell and a first air passage are arranged in the backflow prevention device, the backflow prevention shell is cylindrical and is inserted in the air delivery pipe, the first air passage is arranged in the backflow prevention shell, a second air passage is arranged at the lower end of the backflow prevention shell, the upper end of the second air passage is connected with the lower end of the backflow prevention shell, a backing plate is arranged at the upper end of the second air passage, the backing plate is annular, the lower surface of the outer edge of the backing plate is arranged on the backflow prevention shell, a cover plate is arranged on the upper surface of the backing plate, the cover plate is connected with a rotating shaft through a first supporting rod, the rotating shaft is arranged on the inner wall of the backflow prevention shell, the lower surface of the cover plate is connected with the upper surface of the backing plate through a reduction part, an annular external connecting piece is arranged at the upper end of the backflow prevention shell, and an annular boss is arranged on the lower surface of the backing plate, the outer side face of the boss is attached to the inner wall of the second air passage.

Preferably, the reduction part is provided with a spring, the right end of the spring is connected with the center of the lower surface of the cover plate, the left end of the spring is connected to the inner wall of the second air passage through a second supporting rod, the reduction part is further provided with two rotating springs, the rotating springs are arranged on the rotating shaft, and two ends of each rotating spring respectively abut against the first supporting rod and the backflow preventing shell.

Preferably, a sealing ring is arranged between the base plate and the cover plate, the rotating shaft is arranged on the inner side wall of the backflow preventing shell, a second sealing ring is arranged on the inner side of the external connecting piece, and the external connecting piece and the backflow preventing shell are made of plastics.

Advantageous effects

The utility model provides an artificial tooth metal laser 3D printing apparatus possesses following beneficial effect:

1. this artificial tooth metal laser 3D printing apparatus through setting up electronic slide rail of third, third slider and sweeping the board, is convenient for with raw material powder propelling movement to the mouth that removes dust and fall into first collecting box, through setting up air pump and suction drum, is convenient for inhale the second collecting box with raw material powder to make this equipment have the function of being convenient for collect raw material powder.

2. This artificial tooth metal laser 3D printing apparatus through setting up first electric telescopic handle, being convenient for promote first roof, through setting up first electric slide rail, first slider, the electric slide rail of second, second slider, second electric telescopic handle, laser generator and printing controller, and this equipment of being convenient for carries out artificial tooth and prints to make this equipment reach the effect of convenient to use.

Drawings

FIG. 1 is a schematic view of a front cross-sectional structure of the present invention;

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a schematic top view of the present invention;

FIG. 4 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

FIG. 5 shows the internal structure of the second collection box of the present invention in the closed state;

FIG. 6 is a schematic view of a second filter in a second collection box according to the present invention;

FIG. 7 shows the internal structure of the second collection box of the present invention in the open state;

FIG. 8 is a schematic diagram of a rear view structure of the middle anti-inverted filling apparatus of the present invention;

FIG. 9 is a schematic structural view of the closed state of the anti-backflow device of the present invention;

FIG. 10 shows the internal structure of the open state of the backflow prevention device of the present invention;

in the figure: 1 mounting bottom plate, 2 supporting legs, 3 lapping plates, 4 first electric telescopic rods, 5 first collecting boxes, 6 guide pipes, 7 air pumps, 8 second collecting boxes, 81 feed inlets, 811 air inlets, 812 second top plates, 813 first filters, 814 first round pipes, 82 shells, 83 second filters, 831 through holes, 84 second round pipes, 85 fine filtering chambers, 86 discharge outlets, 87 coarse filtering chambers, 88 filter screens, 89 dust raising baffles, 9 work boxes, 10 printing controllers, 11 first electric sliding rails, 12 first sliding blocks, 13 sliding plates, 14 second electric sliding rails, 15 second sliding blocks, 16 second electric telescopic rods, 17 laser generators, 18 third electric sliding rails, 19 third sliding blocks, 20 sweeping plates, 21 dust falling prevention suction cylinders, 22 spring pipes, 23 dust conveying pipes, 24 first top plates, 25 air conveying pipes, 251 filling shells, 252 first air passages, 253 second air passages, 254 backing plates, 255 cover plates, 256 first supporting rods, 255 air pump plates, 256 first supporting rods, 2 supporting legs, 3 lapping plates, 25 first electric telescopic rods, 25 air pump housings, 252 first air passages, 253 second air pipes, eight guide pipes, 257 rotating shaft, 258 spring, 259 second strut, 2510 rotating spring, 2511 outer joint, 2512 sealing ring, 2513 boss, 2514 second sealing ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-10, the present invention provides a technical solution: the utility model provides an artificial tooth metal laser 3D printing apparatus, including mounting plate 1, mounting plate 1's lower fixed surface is connected with supporting leg 2, the quantity of supporting leg 2 is four, four supporting legs 2 are the four corners department of rectangle array setting at mounting plate 1 lower surface, supporting leg 2's fixed surface is connected with overlap joint board 3, the upper surface difference fixedly connected with of overlap joint board 3 is first electric telescopic handle 4 and first collecting box 5, the last fixed surface of first collecting box 5 is connected with pipe 6, the top of pipe 6 and mounting plate 1's lower fixed surface is connected, mounting plate 1's upper surface difference fixedly connected with air pump 7, second collecting box 8, work box 9 and printing controller 10, work box 9, the front of first collecting box 5 and second collecting box 8 all is connected with the dodge gate through hinge rotation.

The inner wall of the work box 9 is fixedly connected with a first electric slide rail 11, the side of the first electric slide rail 11 is provided with a first slider 12, the side of the first slider 12 is fixedly connected with a slide plate 13, the lower surface of the slide plate 13 is fixedly connected with a second electric slide rail 14, the lower surface of the second electric slide rail 14 is provided with a second slider 15, the lower surface of the second slider 15 is fixedly connected with a second electric telescopic rod 16, and the telescopic end of the second electric telescopic rod 16 is fixedly connected with a laser generator 17.

First electric slide rail 11, second electric slide rail 14, second electric telescopic handle 16 and laser generator 17 all with print controller 10 electric connection, the inside of printing controller 10 is provided with first electric slide rail 11 respectively, second electric slide rail 14, the control element of second electric telescopic handle 16 and laser generator 17, and the front of printing controller 10 is provided with control panel, through setting up first electric slide rail 11, first slider 12, second electric slide rail 14, second slider 15, second electric telescopic handle 16, laser generator 17 and print controller 10, be convenient for this equipment carry out artificial tooth and print, thereby make this equipment reach the effect of convenient to use.

A third electric slide rail 18 is fixedly connected with the inner rear wall of the work box 9, a third slide block 19 is arranged on the front surface of the third electric slide rail 18, a sweeping plate 20 is fixedly connected with the lower surface of the third slide block 19, the lower surface of the sweeping plate 20 is slidably connected with the inner bottom wall of the work box 9, a dust suction tube 21 is fixedly connected with the side surface of the third slide block 19, a spring tube 22 is fixedly connected with the top end of the dust suction tube 21, a dust conveying tube 23 is fixedly connected with the side surface of the work box 9, one end of the spring tube 22 far away from the dust suction tube 21 is fixedly connected with one end of the dust conveying tube 23, the other end of the dust conveying tube 23 is fixedly connected with the side surface of the second collection box 8, a first top plate 24 is slidably connected with the inner bottom wall of the work box 9, and the inner bottom wall of the work box 9 is respectively provided with a sliding port and a dust removing port, through setting up electronic slide rail 18 of third, third slider 19 and sweeping board 20, be convenient for with raw materials powder propelling movement to the dust removal mouth and fall into first collecting box 5.

The side of first roof 24 and the inner wall overlap joint of slip mouth, the opening with slip mouth and dust removal mouth looks adaptation is seted up respectively to mounting plate 1's upper surface, the flexible end of first electric telescopic handle 4 and the lower fixed surface of first roof 24 are connected, through setting up first electric telescopic handle 4, be convenient for promote first roof 24, the equal fixedly connected with air delivery pipe 25 of output and input of air pump 7, air delivery pipe 25 keeps away from the one end of air pump 7 and the back fixed connection of second collecting box 8, the inner wall fixedly connected with filter screen of air delivery pipe 25, through setting up air pump 7 and dust suction tube 21, be convenient for inhale 8 in the second collecting box with the raw materials powder, thereby make this equipment have the function of being convenient for collect raw materials powder.

The working principle is as follows: when the denture metal laser 3D printing apparatus is used, the raw material powder is first placed on the first top plate 24, then the third electric slide rail 18 is started, the third slide block 19 drives the sweeping plate 20 to smooth the raw material powder, and pushes the surplus raw material powder into the first collection box 5 through the dust removal port, then the device is started to upload the printing template to the printing controller 10, the printing controller 10 controls the first electric slide rail 11, the second electric slide rail 14, the second electric telescopic rod 16 and the laser generator 17 to perform laser printing on the raw material powder according to the printing template, after the printing is finished, the first electric telescopic rod 4 is started to jack up the printed false tooth, then the third electric sliding rail 18 and the air pump 7 are started to suck the raw material powder on the surface of the false tooth into the second collecting box 8, and finally the false tooth is taken out, by using the 3D printing device, the device has a function of conveniently collecting the raw material powder.

In one embodiment, the second collecting box 8 comprises: the dust collector comprises a shell 82, a second top plate 812 and a discharge opening 86, wherein the second top plate 812 is arranged at the top end of the shell 82, a feed inlet 81 is formed in the side wall above the shell 82, a suction port 811 is formed in the second top plate 812, a first filter 813 is arranged above the feed inlet 81 in the shell 82, a first round pipe 814 extending downwards is arranged at the center of the first filter 813, a filter screen 88 is arranged at the bottom of the first filter 813, the filter screen 88 is positioned outside the first round pipe 814, a dust raising baffle 89 is arranged at the bottom of the filter screen 88, a second filter 83 is arranged on the inner wall of the shell 82 and positioned below the first filter 813, the second filter 83 is a cone with a large top and a small bottom, a plurality of through holes 831 are formed in the side wall, a second 84 is arranged below the second filter 83, and the lower end of the second round pipe 84 is connected with the discharge opening 86 in a sealing manner, the inner wall of the second circular tube 84 and the discharge opening 86 form a coarse filtration chamber 87, the outer wall of the second circular tube 84, the inner wall of the shell 82 and the discharge opening 86 form a fine filtration chamber 85, the dust conveying tube 23 is connected with the feed opening 81, and the air suction opening 811 is connected with the air conveying tube 25.

The working principle of the technical scheme is as follows: the powder primarily filtered by the dust conveying pipe 23 enters the inside of the housing 82 through the inlet 81, because the second collecting box 8 is cylindrical, the wind entering from the inlet 81 flows in the housing 82 in a rotating manner, the powder with large particles under the action of centrifugal force is deposited in the coarse filtering chamber 87 surrounded by the second circular pipe 84 at the rotating center under the action of gravity, the powder with smaller particles and lighter weight is thrown to the inner wall of the housing 82 and deposited on the second filter 83, and is deposited on the fine filtering chamber 85 after being filtered by the second filter 83, and a small part of the powder is driven by the wind to become dust, most of the dust is blocked by the dust baffle 89, and part of the dust is filtered by the filter screen 88 after bypassing the dust baffle 89, and the first circular pipe 814 is specially arranged for supporting in order to prevent the filter screen 88 from being sucked to the inside by the air suction port 811, and the filtered air is pumped to the wind conveying pipe 25 from the air suction port 811, after the powder in the working box 9 is completely absorbed, after the air pump 7 is closed and the powder in the second collection box 8 is completely settled, the discharge port 86 can be opened to recover the settled powder, and the second top plate 812 can be opened to clean the first filter 813.

The beneficial effects of the above technical scheme are that: through the design of above-mentioned structure, can realize the dust recovery in the work box 9, carry out the separation of gas and dust once more through the effect of centrifugal force after the dust is just filtered through dust conveying pipe 23, prevent that the dust from being inhaled air pump 7 and leading to air pump 7 damage when the separation to whole second collecting box 8 adopts the structural design that all can dismantle from top to bottom, can conveniently carry out recovery processing and daily clean maintenance to the powder after filtering.

In one embodiment, a backflow prevention device is disposed in the air delivery pipe 25, a backflow prevention housing 251 and a first air passage 252 are disposed in the backflow prevention housing 25, the backflow prevention housing 251 is cylindrical and is inserted into the air delivery pipe 25, the backflow prevention housing 251 is cylindrical, the first air passage 252 is disposed in the backflow prevention housing 251, a second air passage 253 is disposed at a lower end of the backflow prevention housing 251, an upper end of the second air passage 253 is connected with a lower end of the backflow prevention housing 251, a backing plate 254 is disposed at an upper end of the second air passage 253, the backing plate 254 is annular and has an outer edge disposed on the backflow prevention housing 251, a cover plate 255 is disposed on an upper surface of the backing plate 254, the cover plate 255 is connected with a rotating shaft 257 through a first supporting rod 256, the rotating shaft 257 is disposed on an inner wall of the backflow prevention housing 251, a lower surface of the cover plate 255 is connected with an upper surface of the backing plate 254 through a reducing portion, an annular external piece 2511 is arranged at the upper end of the backflow preventing shell 251, an annular boss 2513 is arranged on the lower surface of the backing plate 254, and the outer side surface of the boss 2513 is attached to the inner wall of the second air passage 253.

The working principle of the technical scheme is as follows: when the powder is recovered after printing, in order to prevent the collected powder from being blown back to the working box 9 by the reverse air supply of the fan, a backflow prevention device needs to be installed, when air suction is performed, air flows from the second air passage 253 to the first air passage 252, the cover plate 255 is sucked at the same time, when air suction or reverse air supply is stopped, the reduction part twists the cover plate 255, the rotating shaft 257 drives the first support rod 256 to enable the cover plate 255 to return to the original position and be connected with the backing plate 254 in a sealing manner, the boss 2513 on the lower surface of the backing plate 254 can play a role in limiting and fixing, the backing plate 254 is prevented from shifting, and meanwhile, the external connector 2511 can be inserted into the air conveying pipe 25 to complete installation of the backflow prevention device and facilitate disassembly and maintenance in the future.

The beneficial effects of the above technical scheme are that: through the design of above-mentioned structure, can breathe in when air pump 7 normally starts, inhale apron 255, prevent flowing backward the device this moment and be in the open mode, when air pump 7 stops the commentaries on classics or reverses unusually, apron 255 can be driven back to the normal position by reduction portion and rotation axis 257 to with defeated tuber pipe 25 shutoff, prevent that the air current from flowing backward and blow back the powder of collection to work box 9.

In one embodiment, the reduction portion is provided with a spring 258, the right end of the spring 258 is connected to the center of the lower surface of the cover plate 255, the left end of the spring 258 is connected to the inner wall of the second air passage 253 through a second supporting rod 259, the reduction portion is further provided with two rotating springs 2510, the rotating springs 2510 are arranged on the rotating shaft 257, and the two ends of the rotating springs 2510 respectively abut against the first supporting rod 256 and the backflow preventing housing 251.

The working principle of the technical scheme is as follows: the restoring portion connects the spring 258 with the second air passage 253 through the second supporting rod 259, when the anti-backflow device is in an open state, the spring 258 is in a stretching state, meanwhile, the rotating spring 2510 on the rotating shaft 257 abuts against one end of the anti-backflow shell 251 to keep supporting, the other end abutting against the first supporting rod 256 is driven to rotate by the rotating shaft 257 and enables the rotating spring 2510 to be in a screwing and compressing state, when the air pump 7 stops working, the spring 258 can be retracted, and meanwhile, the rotating spring 2510 can rotate to return to the original position to close the cover plate 255 and enable the cover plate 255 to be in a closed state, so that air flow backflow is prevented.

The beneficial effects of the above technical scheme are that: through the design of above-mentioned structure, can be closed the apron 255 and prevent flowing backward in the moment of defeated tuber pipe 25 air current interrupt or change through the dual function of spring 258 and rotating spring 2510, thereby can also adjust the size of the air current velocity of flow when the device of preventing flowing backward opens through adjusting rotating spring 2510 and the elasticity of spring 258 simultaneously.

In one embodiment, a sealing ring 2512 is disposed between the base plate 254 and the cover plate 255, the rotating shaft 257 is disposed on an inner sidewall of the backflow-preventing housing 251, a second sealing ring 2514 is disposed on an inner side of the external connector 2511, and the external connector 2511 and the backflow-preventing housing 251 are made of plastic.

The working principle of the technical scheme is as follows: be equipped with the sealing ring 2512 of rubber system between backing plate 254 and the apron 255, can reduce the impact of apron 255 when closing to backing plate 254 and play the cushioning effect, and can play sealed effect, rotation axis 257 sets up on preventing flowing backward the shell 251 and then can make the apron 255 use rotation axis 257 to be the hub rotation, second sealing ring 2514 can play sealed effect between defeated tuber pipe 25 and external piece 2511 and increase the leakproofness of first gas circuit 252, whole prevent flowing backward the device adopt plastics to make can compression cost and convenient the change.

The beneficial effects of the above technical scheme are that: through the design of above-mentioned structure, sealing ring 2512 has increased the leakproofness between backing plate 254 and the apron 255 to increased the effect of shock attenuation bradyseism, second sealing ring 2514 then provides support for the good leakproofness of first air flue 252, and the device of preventing flowing backward of plastics material can conveniently be changed simultaneously.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a false tooth metal laser 3D printing apparatus, includes mounting plate (1), its characterized in that: the lower surface of the mounting bottom plate (1) is fixedly connected with supporting legs (2), the surfaces of the supporting legs (2) are fixedly connected with a lap plate (3), the upper surface of the lap plate (3) is respectively and fixedly connected with a first electric telescopic rod (4) and a first collecting box (5), the upper surface of the first collecting box (5) is fixedly connected with a guide pipe (6), the upper surface of the mounting bottom plate (1) is respectively and fixedly connected with an air pump (7), a second collecting box (8), a working box (9) and a printing controller (10), the inner wall of the working box (9) is fixedly connected with a first electric sliding rail (11), the side surface of the first electric sliding rail (11) is provided with a first sliding block (12), the side surface of the first sliding block (12) is fixedly connected with a sliding plate (13), the lower surface of the sliding plate (13) is fixedly connected with a second electric sliding rail (14), a second sliding block (15) is arranged on the lower surface of the second electric sliding rail (14), a second electric telescopic rod (16) is fixedly connected to the lower surface of the second sliding block (15), and a laser generator (17) is fixedly connected to the telescopic end of the second electric telescopic rod (16);

the utility model discloses a dust collector, including work box (9), the interior back wall fixedly connected with third electronic slide rail (18) of work box (9), the front of third electronic slide rail (18) is provided with third slider (19), board (20) are swept to the lower fixed surface of third slider (19), side fixedly connected with suction drum (21) of third slider (19), top fixedly connected with spring pipe (22) of suction drum (21), side fixedly connected with defeated dirt pipe (23) of work box (9), the interior bottom wall sliding connection of work box (9) has first roof (24), the equal fixedly connected with defeated tuber pipe (25) of output and the input of air pump (7).

2. The denture metal laser 3D printing apparatus according to claim 1, wherein: the number of the supporting legs (2) is four, four the supporting legs (2) are arranged at four corners of the lower surface of the mounting bottom plate (1) in a rectangular array mode.

3. The denture metal laser 3D printing apparatus according to claim 1, wherein: the first electric sliding rail (11), the second electric sliding rail (14), the second electric telescopic rod (16) and the laser generator (17) are all electrically connected with the printing controller (10).

4. The denture metal laser 3D printing apparatus according to claim 1, wherein: slip mouth and dust removal mouth have been seted up respectively to the inner diapire of work box (9), the side of first roof (24) and the inner wall overlap joint of slip mouth, the upper surface of mounting plate (1) is seted up respectively with the opening of slip mouth and dust removal mouth looks adaptation, the flexible end of first electric telescopic handle (4) is connected with the lower fixed surface of first roof (24), the top of pipe (6) is connected with the lower fixed surface of mounting plate (1).

5. The denture metal laser 3D printing apparatus according to claim 1, wherein: one end, far away from the dust suction barrel (21), of the spring pipe (22) is fixedly connected with one end of the dust conveying pipe (23), the other end of the dust conveying pipe (23) is fixedly connected with the side face of the second collecting box (8), one end, far away from the air pump (7), of the air conveying pipe (25) is fixedly connected with the back face of the second collecting box (8), and a filter screen is fixedly connected to the inner wall of the air conveying pipe (25).

6. The denture metal laser 3D printing apparatus according to claim 1, wherein: the front surfaces of the working box (9), the first collecting box (5) and the second collecting box (8) are all rotatably connected with a movable door through hinges, and the lower surface of the sweeping plate (20) is in sliding connection with the inner bottom wall of the working box (9).

7. The denture metal laser 3D printing apparatus according to claim 1, wherein: the second collection tank (8) comprises: the dust collector comprises a shell (82), a second top plate (812) and a discharge opening (86), wherein the second top plate (812) is arranged at the top end of the shell (82), a feed inlet (81) is formed in the side wall of the upper portion of the shell (82), a suction port (811) is formed in the second top plate (812), a first filter (813) is arranged above the feed inlet (81) in the shell (82), a first round pipe (814) extending downwards is arranged at the center of the first filter (813), a filter screen (88) is arranged at the bottom of the first filter (813), the filter screen (88) is located on the outer side of the first round pipe (814), a dust raising baffle (89) is arranged at the bottom of the filter screen (88), a second filter (83) is arranged on the inner wall of the shell (82) and located below the first filter (813), the second filter (83) is in a conical shape with a large upper portion and a small portion, and a plurality of through holes (831) are formed in the side wall, the below of second filter (83) is equipped with second pipe (84), the lower extreme of second pipe (84) with discharge opening (86) sealing connection, the inner wall of second pipe (84) with discharge opening (86) constitute coarse filter chamber (87), the outer wall of second pipe (84) the inner wall of shell (82) with discharge opening (86) are constituteed fine filter chamber (85), defeated dirt pipe (23) with feed inlet (81) are connected, induction port (811) with defeated tuber pipe (25) are connected.

8. The denture metal laser 3D printing apparatus according to claim 1, wherein: a backflow prevention device is arranged in the air delivery pipe (25), a backflow prevention shell (251) and a first air passage (252) are arranged in the backflow prevention device, the backflow prevention shell (251) is cylindrical and is inserted into the air delivery pipe (25), the first air passage (252) is arranged in the backflow prevention shell (251), a second air passage (253) is arranged at the lower end of the backflow prevention shell (251), the upper end of the second air passage (253) is connected with the lower end of the backflow prevention shell (251), a backing plate (254) is arranged at the upper end of the second air passage (253), the backing plate (254) is annular, the lower surface of the outer edge of the backing plate (254) is arranged on the backflow prevention shell (251), a cover plate (255) is arranged on the upper surface of the backing plate (254), the cover plate (255) is connected with a rotating shaft (257) through a first support rod (256), and the rotating shaft (257) is arranged on the inner wall of the backflow prevention shell (251), the lower surface of the cover plate (255) is connected with the upper surface of the base plate (254) through a reduction part, an annular external piece (2511) is arranged at the upper end of the backflow preventing shell (251), an annular boss (2513) is arranged on the lower surface of the base plate (254), and the outer side surface of the boss (2513) is attached to the inner wall of the second air passage (253).

9. The denture metal laser 3D printing apparatus according to claim 8, wherein: the reduction part is provided with a spring (258), the right end of the spring (258) is connected with the center of the lower surface of the cover plate (255), the left end of the spring (258) is connected to the inner wall of the second air channel (253) through a second supporting rod (259), the reduction part is further provided with two rotating springs (2510), the rotating springs (2510) are arranged on the rotating shaft (257), and two ends of each rotating spring (2510) are respectively propped against the first supporting rod (256) and the backflow preventing shell (251).

10. The denture metal laser 3D printing apparatus according to claim 9, wherein: a sealing ring (2512) is arranged between the base plate (254) and the cover plate (255), the rotating shaft (257) is arranged on the inner side wall of the backflow preventing shell (251), a second sealing ring (2514) is arranged on the inner side of the external connector (2511), and the external connector (2511) and the backflow preventing shell (251) are made of plastics.