CN115041707A

CN115041707A - False tooth metal multi-laser 3D printing equipment capable of collecting raw material powder in centralized manner

Info

Publication number: CN115041707A
Application number: CN202210558298.2A
Authority: CN
Inventors: 吕忠利; 张军; 矫滢; 温武汉
Original assignee: Shandong Charmray Laser Technology Co ltd
Current assignee: Shandong Charmray Laser Technology Co ltd
Priority date: 2022-05-20
Filing date: 2022-05-20
Publication date: 2022-09-13
Anticipated expiration: 2042-05-20
Also published as: CN115041707B

Abstract

The invention discloses false tooth metal multi-laser 3D printing equipment capable of collecting raw material powder in a centralized manner, which belongs to the technical field of 3D printing, and comprises a printer body, wherein an outer door plate is rotatably arranged on one side of the printer body, an equipment bin is fixedly arranged on one side of the printer body, which is far away from the outer door plate, a collecting box is fixedly arranged on the inner wall of the printer body, a conical hopper is fixedly arranged on one surface of the collecting box, a printing platform plate is arranged inside the printer body, and a moving adjusting mechanism and a swinging cleaning mechanism are respectively arranged inside the equipment bin; through drive gear reciprocating rotation, drive gear makes second dwang reciprocating rotation, and the second dwang makes the reciprocal swing of brush through hollow pole, carriage release lever and connecting plate, and the raw materials powder on printing article surface is fought through the toper to drop in the collecting box in the time of the reciprocal swing of brush and clearance, by the raw materials powder of clearance to convenient realization prints the automatic clearance of article surface raw materials powder, and then the effectual convenience that has improved clearance raw materials powder.

Description

False tooth metal multi-laser 3D printing equipment capable of collecting raw material powder in centralized manner

Technical Field

The invention relates to the technical field of 3D printing, in particular to false tooth metal multi-laser 3D printing equipment capable of collecting raw material powder in a centralized manner.

Background

False tooth: the denture is what is commonly called a "denture". Just like "leg prosthesis" and "prosthetic limb" are referred to as "prosthetic limb", a "denture" means that the human being is "obligated" to the utmost. The medical science is a general term for restorations made after partial or all teeth of the upper and lower jaws are lost. The artificial tooth is divided into removable type and fixed type. Fixed dentures (commonly known as "fixed dentures") are not worn by the patient himself, while removable dentures (commonly known as "removable dentures") are worn by the patient easily. False tooth metal multi-laser 3D printing equipment among the prior art has following problem:

1. in the prior art, when the laser printing operation of the denture is finished, the denture raw material powder is usually cleaned by manually holding a hairbrush, so that the cleaning of the denture raw material powder is inconvenient;

2. because the artificial tooth surface after printing is comparatively irregular, when using the raw materials powder on brush clearance artificial tooth surface, can't clear up the raw materials powder in the artificial tooth, lead to the clearance effect of artificial tooth raw materials powder relatively poor from this.

Based on the above, the invention designs the denture metal multi-laser 3D printing equipment capable of collecting raw material powder in a centralized manner so as to solve the problems.

Disclosure of Invention

The invention aims to provide denture metal multi-laser 3D printing equipment capable of collecting raw material powder in a centralized mode, and the denture metal multi-laser 3D printing equipment is used for solving the problems that the denture raw material powder is not convenient to clean and poor in cleaning effect.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a can concentrate artificial tooth metal many laser 3D printing apparatus of collecting raw materials powder, includes printer body, printer body one side is rotated and is installed outer door plant, one side fixed mounting that outer door plant was kept away from to printer body has the equipment storehouse, printer body's inner wall fixed mounting has the collecting box, the one side fixed mounting of collecting box has the toper to fight, printer body's inside is equipped with printing platform board, the inside in equipment storehouse is equipped with respectively removes adjustment mechanism and swing clearance mechanism, the inside of collecting box is equipped with vibrations clearance mechanism.

As a further scheme of the invention, an observation window is fixedly arranged on the surface of the outer door plate, a first handle is fixedly arranged on one side of the outer door plate, and stabilizing seats are fixedly arranged at four corners of the bottom end of the printer body.

As a further scheme of the invention, a cover plate is rotatably mounted on one side of the collection box, a second handle is fixedly mounted on one side of the cover plate, a linear electric cylinder is fixedly mounted on the inner wall of the printer body, a sliding block is connected to one surface of the linear electric cylinder in a sliding mode, and a laser generator is fixedly mounted on one surface, far away from the linear electric cylinder, of the sliding block.

As a further scheme of the invention, the movement adjusting mechanism comprises a hollow rod, two guide grooves are formed in the surface of the hollow rod, guide blocks are connected to the inner walls of the two guide grooves in a sliding mode, a moving rod is fixedly installed between the two guide blocks, the outer wall of the moving rod is in movable contact with the inner wall of the hollow rod, and a U-shaped plate is fixedly installed on one side of each of the two guide blocks.

As a further scheme of the invention, two first fixing plates are fixedly mounted on the outer wall of the hollow rod, a threaded rod is rotatably mounted between the two first fixing plates, the threaded rod penetrates through a U-shaped plate and is in threaded connection with the U-shaped plate, a first motor is arranged in the equipment bin, a first rotating rod is fixedly mounted at the driving output end of the first motor, conical gears are fixedly mounted at one ends of the first rotating rod and the threaded rod, the two conical gears are mutually meshed, a connecting plate is fixedly mounted at one end of the moving rod, which is far away from a guide block, and brushes are uniformly and fixedly mounted on one surface of the connecting plate.

As a further scheme of the present invention, the outer wall of the first motor is fixedly connected with a first fixing block, and one surface of the first fixing block is fixedly provided with two L-shaped fixing rods.

As a further scheme of the invention, the swing cleaning mechanism comprises a second rotating rod, one end of the second rotating rod is rotatably connected with the inner wall of the equipment bin, the other end of the second rotating rod is fixedly connected with one end of the hollow rod, one end of the two L-shaped fixing rods, which is far away from the first fixing block, is fixedly connected with the outer wall of the second rotating rod, a transmission gear is fixedly installed on the outer wall of the second rotating rod, a connecting rod is fixedly installed on the inner wall of the equipment bin, a swing plate is rotatably installed at one end of the connecting rod, an arc toothed plate is fixedly installed at one end of the swing plate, the arc toothed plate is meshed with the transmission gear, a connecting groove is formed in one side of the swing plate, a second motor is fixedly arranged in the equipment bin, a third rotating rod is fixedly installed at the driving output end of the second motor, and a rotating disc is fixedly installed at one end of the third rotating rod, which is far away from the second motor, one side fixed mounting that the third dwang was kept away from to the rolling disc has the synchronizing bar, the inner wall movable contact of the one end of rolling disc and spread groove is kept away from to the synchronizing bar.

As a further scheme of the present invention, the outer wall of the second motor is fixedly connected with a second fixed block, and the second fixed block is fixedly connected with the inner wall of the equipment bin.

As a further scheme of the invention, the vibration cleaning mechanism comprises a second fixed plate, two telescopic rods are fixedly mounted on one surface of the second fixed plate, piston ends of the two telescopic rods are fixedly connected with one surface of the printing platform plate, telescopic springs are movably sleeved on the outer walls of the two telescopic rods, one end of each telescopic spring is fixedly connected with one surface of the second fixed plate, the other end of each telescopic spring is fixedly connected with one surface of the printing platform plate, a transmission rod is rotatably mounted on one side of the printer body close to the equipment bin and penetrates through the collection box and the collection box to be rotatably connected, transmission wheels are fixedly mounted at one ends of the third rotary rod and the transmission rod, a transmission belt is in transmission connection between the two transmission wheels, and a cam is fixedly mounted at one end of the transmission rod far away from the transmission wheels.

As a further scheme of the invention, two supporting rods are fixedly arranged on both sides of the second fixing plate, one end of each supporting rod, which is far away from the second fixing plate, is fixedly connected with the inner wall of the collecting box, and one surface of the printing platform plate, which is close to the telescopic rod, is provided with an arc-shaped groove.

Compared with the prior art, the invention has the beneficial effects that:

1. the U-shaped plate is driven to horizontally move, the guide block horizontally slides due to the U-shaped plate, the moving rod horizontally moves due to the guide block, the brush horizontally moves due to the moving rod through the connecting plate, and the end part of the brush is in contact with the printed objects, so that the horizontal position adjustment of the brush is conveniently realized, and the subsequent cleaning of the raw material powder on the surfaces of the printed objects with different sizes is facilitated;

2. the transmission gear is driven to rotate in a reciprocating mode, the second rotating rod is driven to rotate in a reciprocating mode through the transmission gear, the second rotating rod enables the hairbrush to swing in a reciprocating mode through the hollow rod, the moving rod and the connecting plate, the raw material powder on the surface of the printed object is cleaned while the hairbrush swings in a reciprocating mode, and the cleaned raw material powder falls into the collecting box through the conical hopper, so that automatic cleaning of the raw material powder on the surface of the printed object is achieved conveniently, and convenience in cleaning the raw material powder is improved effectively;

3. rotate through the drive transfer line, the transfer line makes the cam rotate, the normal running fit telescopic link of cam and expanding spring's effect, make the printing article on printing platform board surface reciprocate to reciprocate, the reciprocal raw materials powder that reciprocates in will printing article of printing platform board shakes off, the raw materials powder that is shaken off is fought through the toper and is dropped to the collecting box in, thereby convenient realization that prints article raw materials powder shakes off, and then the effectual effect of printing article raw materials powder of clearance that has improved, and the effectual convenience of collecting raw materials powder that has improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the printer body;

FIG. 3 is a cross-sectional view of the printer body of the present invention;

FIG. 4 is an enlarged view of portion A of FIG. 3 according to the present invention;

FIG. 5 is an enlarged view of portion B of FIG. 3 according to the present invention;

FIG. 6 is a schematic illustration of the separation of the printing platform plate, conical hopper and collection box of the present invention;

FIG. 7 is an enlarged view of section C of FIG. 6 according to the present invention;

fig. 8 is a schematic view of the connection of the second rotatable shaft to the hollow shaft according to the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

part 1, printer body; part 11, outer door panel; part 12, viewing window; part 13, first handle; part 14, stabilizer base; part 15, equipment bin; part 16, collection box; part 17, cover plate; part 18, second pull handle; part 19, a conical hopper; part 2, printing platform board; part 21, linear electric cylinder; part 22, slide; part 23, laser generator; part 3, a movement adjusting mechanism; part 31, hollow bar; part 32, guide groove; part 33, guide block; part 34, travel bar; part 35, U-shaped plate; part 36, first fixing plate; part 37, threaded rod; part 38, first motor; part 39, first fixed block; part 4, an L-shaped fixing rod; part 41, first rotating lever; part 42, bevel gear; part 43, connection plate; part 44, a brush; part 5, swing cleaning mechanism; part 51, second rotating rod; part 52, transmission gear; part 53, connecting rod; part 54, swing plate; part 55, cambered toothed plate; part 56, connecting slot; part 57, second motor; part 58, second fixed block; part 59, third rotating rod; part 6, rotating disc; part 61, synchronizing bar; part 7, vibration cleaning mechanism; part 71, second fixing plate; part 72, support bar; part 73, telescoping rod; element 74, extension spring; part 75, drive link; part 76, drive wheel; part 77, drive belt; part 78, a cam; part 79, an arc-shaped slot.

Detailed Description

Referring to fig. 1-8, the present invention provides a technical solution: an artificial tooth metal multi-laser 3D printing device capable of intensively collecting raw material powder comprises a printer body 1, an outer door plate 11 is rotatably arranged on one side of the printer body 1, an equipment bin 15 is fixedly arranged on one side, away from the outer door plate 11, of the printer body 1, a collecting box 16 is fixedly arranged on the inner wall of the printer body 1, the cleaned raw material powder can fall into the collecting box 16, a conical hopper 19 is fixedly arranged on one surface of the collecting box 16, the raw material powder can conveniently fall into the collecting box 16, a printing platform plate 2 is arranged inside the printer body 1, an object to be printed can be fixed on the upper surface of the printing platform plate 2, a moving adjusting mechanism 3 and a swinging cleaning mechanism 5 are respectively arranged inside the equipment bin 15, the swinging cleaning mechanism 5 can automatically clean the raw material powder on the surface of the printed object, a vibration cleaning mechanism 7 is arranged inside the collecting box 16, the vibration cleaning mechanism 7 can shake off the raw material powder on the surface of the printed article.

Further, the fixed surface of outer door plant 11 installs observation window 12, through observation window 12, can be convenient for the staff to observe the printing condition in printer body 1, and one side fixed mounting of outer door plant 11 has first handle 13, through pulling first handle 13, can open outer door plant 11, and the equal fixed mounting in bottom four corners department of printer body 1 has stable seat 14, and stable seat 14 can improve printer body 1's stability.

Further, one side of collecting box 16 is rotated and is installed apron 17, one side fixed mounting of apron 17 has second handle 18, through pulling second handle 18, can open apron 17, through opening apron 17, can take out the raw materials powder in the collecting box 16, the inner wall fixed mounting of printer body 1 has sharp electric jar 21, the one side sliding connection of sharp electric jar 21 has slider 22, through opening sharp electric jar 21, sharp electric jar 21 can make slider 22 horizontal slip, the one side fixed mounting that sharp electric jar 21 was kept away from to slider 22 has laser generator 23, slider 22 can make laser generator 23 horizontal migration, laser generator 23 can accomplish the laser of printing the surface print article on the printing platform board 2 and print the laser of article.

Further, remove adjustment mechanism 3 including hollow rod 31, two guide ways 32 have been seted up on hollow rod 31's surface, the equal sliding connection in inner wall of two guide ways 32 has guide block 33, guide block 33 can be along the inner wall horizontal slip of guide way 32, fixed mounting has carriage release lever 34 between two guide blocks 33, guide block 33 can make carriage release lever 34 horizontal direction remove, the outer wall of carriage release lever 34 and the inner wall movable contact of hollow rod 31, one side fixed mounting of two guide blocks 33 has U template 35, U template 35 can make guide block 33 horizontal slip.

Further, two first fixing plates 36 are fixedly installed on the outer wall of the hollow rod 31, a threaded rod 37 is rotatably installed between the two first fixing plates 36, the threaded rod 37 penetrates through the U-shaped plate 35 and is in threaded rotating connection with the U-shaped plate 35, by rotating the threaded rod 37, the threaded rod 37 can drive the U-shaped plate 35 to move in the horizontal direction, a first motor 38 is arranged in the equipment bin 15, a first rotating rod 41 is fixedly installed at the driving output end of the first motor 38, by turning on the first motor 38, the first rotating rod 41 can be rotated by the driving shaft of the first motor 38, conical gears 42 are fixedly installed at both one ends of the first rotating rod 41 and the threaded rod 37, the two conical gears 42 are mutually engaged, the threaded rod 37 can be rotated by the first rotating rod 41 through the two conical gears 42, a connecting plate 43 is fixedly installed at one end of the moving rod 34 far away from the guide block 33, and brushes 44 are uniformly and fixedly installed on one side of the connecting plate 43, the moving rod 34 can move the brush 44 horizontally through the connecting plate 43, so that the brush 44 contacts with the printed objects on the upper surface of the printing platform plate 2, and after the powder cleaning operation is finished, the moving rod 34 can move the connecting plate 43 and the brush 44 reversely into the equipment bin 15.

Further, the outer wall of the first motor 38 is fixedly connected with a first fixing block 39, two L-shaped fixing rods 4 are fixedly mounted on one surface of the first fixing block 39, and the first motor 38 can be supported and fixed by the L-shaped fixing rods 4 and the first fixing block 39.

Further, the swing cleaning mechanism 5 includes a second rotating rod 51, one end of the second rotating rod 51 is rotatably connected to the inner wall of the equipment compartment 15, the other end of the second rotating rod 51 is fixedly connected to one end of the hollow rod 31, the second rotating rod 51 can rotate the hollow rod 31, so as to rotate the connecting plate 43 and the brush 44, one end of the two L-shaped fixing rods 4 away from the first fixing block 39 is fixedly connected to the outer wall of the second rotating rod 51, a transmission gear 52 is fixedly installed on the outer wall of the second rotating rod 51, the transmission gear 52 can rotate the second rotating rod 51, a connecting rod 53 is fixedly installed on the inner wall of the equipment compartment 15, a swing plate 54 is rotatably installed at one end of the connecting rod 53, the swing plate 54 can swing with the axis of the connecting rod 53 as the center of a circle, an arc toothed plate 55 is fixedly installed at one end of the swing plate 54, and the swing plate 54 can swing the arc toothed plate 55, the arc toothed plate 55 is meshed with the transmission gear 52, the arc toothed plate 55 can drive the transmission gear 52 to rotate, one side of the swing plate 54 is provided with a connecting groove 56, a second motor 57 is fixedly arranged in the equipment bin 15, a third rotating rod 59 is fixedly arranged at a driving output end of the second motor 57, the third rotating rod 59 can be rotated by a driving shaft of the second motor 57 by opening the second motor 57, one end, far away from the second motor 57, of the third rotating rod 59 is fixedly provided with the rotating disc 6, the third rotating rod 59 can enable the rotating disc 6 to rotate, one side, far away from the third rotating rod 59, of the rotating disc 6 is fixedly provided with a synchronizing rod 61, the rotating disc 6 can enable the synchronizing rod 61 to rotate by taking the axis of the rotating disc 6 as a circle center, one end, far away from the rotating disc 6, of the synchronizing rod 61 is movably contacted with the inner wall of the connecting groove 56, and the synchronizing rod 61 can enable the swing plate 54 to swing back and forth through the connecting groove 56, thereby causing the link plate 43 and the brush 44 to oscillate back and forth.

Further, the outer wall fixedly connected with second fixed block 58 of second motor 57, the inner wall fixed connection of second fixed block 58 and equipment storehouse 15, second fixed block 58 can effectual improvement second motor 57's stability.

Further, the vibration cleaning mechanism 7 includes a second fixing plate 71, two telescopic rods 73 are fixedly installed on one side of the second fixing plate 71, piston ends of the two telescopic rods 73 are fixedly connected with one side of the printing platform plate 2, telescopic springs 74 are movably sleeved on outer walls of the two telescopic rods 73, the telescopic rods 73 can improve stability of the telescopic springs 74, deformation of the telescopic springs 74 is avoided, one ends of the telescopic springs 74 are fixedly connected with one side of the second fixing plate 71, the other ends of the telescopic springs 74 are fixedly connected with one side of the printing platform plate 2, when the telescopic rods 73 and the telescopic springs 74 are contracted, the printing platform plate 2 can vertically move downwards, a transmission rod 75 is rotatably installed on one side of the printer body 1 close to the equipment bin 15, the transmission rod 75 penetrates through the collecting box 16 and is rotatably connected with the collecting box 16, a transmission wheel 76 is fixedly installed on one end of the third rotating rod 59 and one end of the transmission rod 75, a transmission belt 77 is connected between the two transmission wheels 76 in a transmission manner, the third rotating rod 59 can enable the transmission rod 75 to rotate through the two transmission wheels 76 and the transmission belt 77, a cam 78 is fixedly mounted at one end, away from the transmission wheels 76, of the transmission rod 75, the cam 78 can be enabled to rotate through the transmission rod 75, and the cam 78 can push the printing platform plate 2 to vertically move upwards.

Further, the equal fixed mounting in both sides of second fixed plate 71 has two bracing pieces 72, and the bracing piece 72 is kept away from the one end of second fixed plate 71 and the inner wall fixed connection of collecting box 16, and bracing piece 72 can fixed stay second fixed plate 71, and the arc 79 has been seted up to the one side that printing platform board 2 is close to telescopic link 73, and through seting up arc 79, the protruding position that can be convenient for cam 78 promotes printing platform board 2.

The working principle is as follows: when the laser printing operation of printing the objects on the upper surface of the printing platform plate 2 is finished, the worker firstly turns on the first motor 38, the driving shaft of the first motor 38 rotates the first rotating rod 41, the first rotating rod 41 rotates the threaded rod 37 through the two bevel gears 42, the threaded rod 37 rotates and simultaneously moves the U-shaped plate 35 in the horizontal direction, the U-shaped plate 35 slides the two guide blocks 33 along the horizontal direction of the inner wall of the corresponding guide groove 32 and moves the moving rod 34 in the horizontal direction, the moving rod 34 moves the connecting plate 43 and the plurality of brushes 44 in the horizontal direction until the ends of the plurality of brushes 44 after moving in the horizontal direction contact with the printed objects on the upper surface of the printing platform plate 2, and then turns off the first motor 38, therefore, the horizontal position adjustment of the brush 44 is conveniently realized, and the subsequent cleaning of the raw material powder on the surfaces of the printed objects with different sizes is facilitated;

then, by turning on the second motor 57, the driving shaft of the second motor 57 rotates the third rotating lever 59, the third rotating lever 59 rotates the rotating disc 6, the rotating disc 6 rotates the synchronizing lever 61 around the axis of the rotating disc 6, the synchronizing lever 61 reciprocates the swinging plate 54 through the connecting slot 56, the swinging plate 54 swings around the axis of the connecting rod 53 and swings the arc toothed plate 55, the arc toothed plate 55 reciprocates and drives the transmission gear 52, the transmission gear 52 reciprocates the second rotating lever 51, the second rotating lever 51 reciprocates the plurality of brushes 44 through the hollow rod 31, the moving rod 34 and the connecting plate 43, the plurality of brushes 44 reciprocate and clean the raw material powder on the surface of the printed object, and at the same time, the cleaned raw material powder falls into the collecting box 16 through the tapered hopper 19, thereby conveniently realizing the automatic cleaning of the raw material powder on the surface of the printed object, the convenience of cleaning the raw material powder is effectively improved;

meanwhile, the third rotating rod 59 rotates the driving rod 75 through the two driving wheels 76 and the driving belt 77, the driving rod 75 rotates the cam 78, when the protruding position of the cam 78 contacts with the arc-shaped groove 79, the cam 78 pushes the printing platform plate 2 to move vertically upward, at the same time, the two telescopic rods 73 and the two telescopic springs 74 extend, when the protruding position of the cam 78 does not contact with the arc-shaped groove 79, the two telescopic rods 73 and the two telescopic springs 74 contract rapidly, and the printing platform plate 2 moves vertically downward, due to the reciprocating rotation of the cam 78, the printing platform plate 2 moves in the reciprocating vertical direction in cooperation with the acting force of the two telescopic rods 73 and the two telescopic springs 74, the raw material powder in the printed article on the upper surface of the printing platform plate 2 is shaken off by the reciprocating vertical direction movement of the printing platform plate 2, and the shaken off raw material powder falls into the collecting box 16 through the tapered hopper 19, thereby convenient realization the automation of printing article raw materials powder shake off, and then effectual improvement the clearance print article raw materials powder's effect to and the effectual convenience of collecting raw materials powder that has improved.

Claims

1. The utility model provides a can concentrate many laser 3D printing apparatus of artificial tooth metal of collecting raw materials powder, includes printer body (1), its characterized in that: printer body (1) one side is rotated and is installed outer door plant (11), one side fixed mounting that outer door plant (11) was kept away from in printer body (1) has equipment storehouse (15), the inner wall fixed mounting of printer body (1) has collecting box (16), the one side fixed mounting of collecting box (16) has the toper to fight (19), the inside of printer body (1) is equipped with printing platform board (2), the inside of equipment storehouse (15) is equipped with respectively removes adjustment mechanism (3) and swing clearance mechanism (5), the inside of collecting box (16) is equipped with vibrations clearance mechanism (7).

2. The denture metal multi-laser 3D printing device capable of collecting raw material powder in a centralized manner according to claim 1, wherein: the fixed surface of outer door plant (11) installs observation window (12), one side fixed mounting of outer door plant (11) has first handle (13), the equal fixed mounting in bottom four corners department of printer body (1) has stable seat (14).

3. The denture metal multi-laser 3D printing device capable of collecting raw material powder in a centralized manner according to claim 1, wherein: the printer is characterized in that a cover plate (17) is rotatably mounted on one side of the collecting box (16), a second handle (18) is fixedly mounted on one side of the cover plate (17), a linear electric cylinder (21) is fixedly mounted on the inner wall of the printer body (1), a sliding block (22) is connected to one side of the linear electric cylinder (21) in a sliding mode, and a laser generator (23) is fixedly mounted on one side, far away from the linear electric cylinder (21), of the sliding block (22).

4. The denture metal multi-laser 3D printing device capable of collecting raw material powder in a centralized manner according to claim 1, wherein: remove adjustment mechanism (3) including hollow rod (31), two guide way (32), two have been seted up on the surface of hollow rod (31) the equal sliding connection of inner wall of guide way (32) has guide block (33), two fixed mounting has carriage release lever (34) between guide block (33), the outer wall of carriage release lever (34) and the inner wall movable contact of hollow rod (31), two one side fixed mounting of guide block (33) has U template (35).

5. The denture metal multi-laser 3D printing device capable of collecting raw material powder in a centralized mode according to claim 4, wherein: outer wall fixed mounting of hollow pole (31) has two first fixed plates (36), two rotate between first fixed plate (36) and install threaded rod (37), threaded rod (37) run through U template (35) and U template (35) screw thread and rotate the connection, be equipped with first motor (38) in equipment compartment (15), the drive output end fixed mounting of first motor (38) has first rotation pole (41), the equal fixed mounting of one end of first rotation pole (41) and threaded rod (37) has conical gear (42), two conical gear (42) intermeshing, the one end fixed mounting that guide block (33) were kept away from in carriage release lever (34) has connecting plate (43), the one side evenly distributed fixed mounting of connecting plate (43) has brush (44).

6. The denture metal multi-laser 3D printing device capable of collecting raw material powder in a centralized mode according to claim 5, wherein: the outer wall fixedly connected with of first motor (38) has first fixed block (39), the one side fixed mounting of first fixed block (39) has two L type dead levers (4).

7. The denture metal multi-laser 3D printing equipment capable of collecting raw material powder in a centralized manner according to claim 6, wherein: swing clearance mechanism (5) is including second dwang (51), the one end of second dwang (51) and the inner wall of equipment compartment (15) rotate to be connected, the other end of second dwang (51) and the one end fixed connection of hollow pole (31), two the one end of first fixed block (39) and the outer wall fixed connection of second dwang (51) are kept away from in L type dead lever (4), the outer wall fixed mounting of second dwang (51) has drive gear (52), the inner wall fixed mounting of equipment compartment (15) has connecting rod (53), the one end of connecting rod (53) is rotated and is installed swing board (54), the one end fixed mounting of swing board (54) has cambered surface pinion rack (55), cambered surface pinion rack (55) and drive gear (52) meshing connection, connecting groove (56) have been seted up to one side of swing board (54), the inside of equipment bin (15) is fixed and is equipped with second motor (57), the drive output end fixed mounting of second motor (57) has third dwang (59), the one end fixed mounting that second motor (57) were kept away from in third dwang (59) has rolling disc (6), the one side fixed mounting that third dwang (59) were kept away from in rolling disc (6) has synchronizing bar (61), the inner wall swing joint of the one end of rolling disc (6) and spread groove (56) is kept away from in synchronizing bar (61).

8. The denture metal multi-laser 3D printing device capable of collecting raw material powder in a centralized manner according to claim 7, wherein: the outer wall of the second motor (57) is fixedly connected with a second fixing block (58), and the second fixing block (58) is fixedly connected with the inner wall of the equipment bin (15).

9. The denture metal multi-laser 3D printing device capable of collecting raw material powder in a centralized manner according to claim 7, wherein: the vibration cleaning mechanism (7) comprises a second fixing plate (71), two telescopic rods (73) are fixedly mounted on one surface of the second fixing plate (71), the piston ends of the telescopic rods (73) are fixedly connected with one surface of the printing platform plate (2), telescopic springs (74) are movably sleeved on the outer walls of the two telescopic rods (73), one ends of the telescopic springs (74) are fixedly connected with one surface of the second fixing plate (71), the other ends of the telescopic springs (74) are fixedly connected with one surface of the printing platform plate (2), a transmission rod (75) is rotatably mounted on one side, close to the equipment bin (15), of the printer body (1), the transmission rod (75) penetrates through the collecting box (16) and the collecting box (16) to be rotatably connected, and transmission wheels (76) are fixedly mounted on one ends of the third rotating rod (59) and the transmission rod (75), a transmission belt (77) is connected between the two transmission wheels (76) in a transmission manner, and a cam (78) is fixedly arranged at one end, far away from the transmission wheels (76), of the transmission rod (75).

10. The denture metal multi-laser 3D printing device capable of collecting raw material powder in a centralized manner according to claim 9, wherein: two supporting rods (72) are fixedly mounted on two sides of the second fixing plate (71), one end, far away from the second fixing plate (71), of each supporting rod (72) is fixedly connected with the inner wall of the collecting box (16), and an arc-shaped groove (79) is formed in one face, close to the telescopic rod (73), of the printing platform plate (2).