CN112406102A

CN112406102A - Many shower nozzles in coordination 3D printer

Info

Publication number: CN112406102A
Application number: CN202110012175.4A
Authority: CN
Inventors: 不公告发明人
Original assignee: Fei Huijiang
Current assignee: Fei Huijiang
Priority date: 2021-01-06
Filing date: 2021-01-06
Publication date: 2021-02-26

Abstract

The invention discloses a 3D printer with multiple coordinated spray heads, which comprises a 3D printer frame and a fixing plate, wherein the fixing plate is fixedly arranged on the upper surface of the 3D printer frame, a rotating mechanism is connected inside the fixing plate, one side of the rotating mechanism is connected with a material ejecting mechanism, and the other side of the rotating mechanism is connected with a slag removing mechanism. This collaborative 3D printer of many shower nozzles, through the liftout mechanism that sets up, when can making follow-up model of taking off, avoid directly dragging with the hand, thereby the impaired condition of the surface of having avoided the model takes place, then the size precision of having avoided the model receives the influence, through the slagging-off mechanism that sets up, make and scrape out the inside slag of nozzle through the slagging-off sword, thereby artificial clearance has been avoided, then the injured condition of staff's hand has been avoided taking place, the slag of scraping out simultaneously can drop in the inside of spread groove, the follow-up slag notch of following having made things convenient for is discharged.

Description

Many shower nozzles in coordination 3D printer

Technical Field

The invention relates to the technical field of 3D printers, in particular to a 3D printer with multiple nozzles in cooperation.

Background

The 3D printer is also called a three-dimensional printer, i.e. a machine of rapid prototyping technology, which is a machine that manufactures a three-dimensional object by printing a layer-by-layer adhesive material by using a special adhesive material such as wax, powdered metal or plastic and the like based on a digital model file, but the existing 3D printer still has the following problems;

1. at present, after printing is finished in the market, because the nozzle is easy to block, slag is accumulated at the nozzle, and generally, manual slag cleaning easily causes the hands of workers to be scalded, so that safety is affected, for example, in an environment-friendly 3D printer of CN202010433507.1, dust collection treatment on UFPs generated by printing during 3D printing is solved, and the emission of UFPs is reduced, but the problem of blocking at a nozzle is not solved;

2. after 3D printing usually ends, the model can glue on the bottom plate to easily tear the model when leading to taking off the model, then influence the holistic size precision of model.

We propose a 3D printer with multiple nozzles in coordination so as to solve the problems set forth above.

Disclosure of Invention

The invention aims to provide a 3D printer with multiple nozzles in cooperation, and the 3D printer aims to solve the problems that after printing is finished in the market at present, slag is accumulated at the nozzles due to the fact that the nozzles are easy to block, the hands of workers are easy to scald due to manual slag cleaning, safety is affected, and after 3D printing is finished, a model is easy to tear down when the model is taken down, and the overall size precision of the model is affected.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a many shower nozzles collaborative 3D printer, includes 3D printer frame and fixed plate, the last fixed surface of 3D printer frame installs the fixed plate, and the internal connection of fixed plate has slewing mechanism to one side of slewing mechanism is connected with liftout mechanism, and slewing mechanism's opposite side is connected with slag removal mechanism simultaneously.

Preferably, slewing mechanism includes conical gear group, drive lever, connecting rod, fixed block and handle, and conical gear group is located the inside of fixed plate to conical gear group's upper end key-type connection has the drive lever, the one end fixed mounting that the outside of fixed plate was stretched out to the upper end of drive lever has the handle, and the drive lever rotates with the fixed plate to be connected, conical gear group's one side key-type connection has the connecting rod, and the connecting rod keeps away from conical gear group's one end and is connected with the fixed plate rotation to the one end external fixed surface that conical gear group was kept away from to the connecting rod installs the fixed block, and connecting rod and fixed.

Preferably, the fixed block is fan-shaped in side view, and the fixed block is symmetrically distributed about the longitudinal center line of the 3D printer frame.

Preferably, liftout mechanism includes dead lever, backup pad, reset spring, holding tank and protrusion piece, and the upper end surface and the fixed block looks butt of dead lever to the lower fixed surface of dead lever installs the backup pad, the lower fixed surface of backup pad installs reset spring, and reset spring is located the inside of holding tank, and the both ends of backup pad are located the inside of holding tank respectively, and the both sides frame wall surface of 3D printer frame is seted up to the holding tank simultaneously, the one end of backup pad is connected with the protrusion piece, and the lower surface of protrusion piece is connected with the lower extreme upper surface fixed connection of 3D printer frame.

Preferably, the dead lever is just looked for "U" style of calligraphy, and dead lever and backup pad pass through reset spring and holding tank constitution extending structure to the length of dead lever is less than the length of backup pad.

Preferably, the front view of the protruding block is isosceles trapezoid, the upper surfaces of the lower ends of the protruding blocks of the 3D printer frame are distributed at equal intervals, and the upper ends of the protruding blocks and the supporting plate form a sliding structure.

Preferably, the deslagging mechanism comprises a connecting rack, a movable block, a first screw rod, a connecting block, a connecting groove, a second screw rod, a limiting block, a deslagging knife, a deslagging groove and a piston block, one end of the connecting rack is meshed with the bevel gear set and is connected with the fixed plate in a sliding manner, the connecting rack is positioned inside the fixed plate, the movable block is fixedly arranged at one end of the connecting rack extending out of the fixed plate, the first screw rod is connected with the inner thread of the movable block, the connecting block is rotatably connected to the lower end of the first screw rod, the connecting groove is formed in the upper end of the connecting block, the second screw rod is connected to the lower end of the connecting block, the limiting block is fixedly arranged on one side surface of the second screw rod, the deslagging knife is fixedly arranged on one side surface of the limiting block far away from the second screw rod, slag notch has been seted up to one side of connecting block, and the one end in slag notch is connected with the piston piece to slag notch and spread groove intercommunication each other.

Preferably, the limiting blocks are symmetrically distributed about the transverse center line of the second screw rod, the second screw rod is in threaded connection with the connecting block, and the heights of the second screw rod, the limiting blocks and the deslagging cutter are greater than the height of the connecting block.

Compared with the prior art, the invention has the beneficial effects that: the 3D printer with the multiple nozzles in cooperation;

1. by the aid of the material ejecting mechanism, direct dragging by hands can be avoided when the model is taken down subsequently, so that the condition that the outer surface of the model is damaged is avoided, and the dimensional precision of the model is further prevented from being influenced;

2. through the arranged rotating mechanism, when the rotating mechanism operates, the ejection mechanism can be driven to eject the model, and the position of the slag removing mechanism can be preliminarily adjusted, so that the subsequent cleaning work of slag at the nozzle is facilitated;

3. through the slagging-off mechanism who sets up for scrape out the inside slag of nozzle through the slagging-off sword, thereby avoided artificial clearance, avoided staff's hand injured's condition to take place then, the slag of scraping out simultaneously can drop in the inside of spread groove, has made things convenient for follow-up discharge from the slag notch.

Drawings

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

FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 3 is a schematic side view of the connecting rod and the fixing block according to the present invention;

FIG. 4 is a side view of the connecting structure of the bevel gear set and the connecting rack of the present invention;

FIG. 5 is a schematic view of the front view connection structure of the first screw and the connection block of the present invention;

fig. 6 is a schematic view of a front view connection structure of the second screw and the limiting block.

In the figure: 1. a 3D printer frame; 2. a fixing plate; 3. a rotating mechanism; 31. a bevel gear set; 32. a driving lever; 33. a connecting rod; 34. a fixed block; 35. a handle; 4. a material ejecting mechanism; 41. fixing the rod; 42. a support plate; 43. a return spring; 44. accommodating grooves; 45. a protruding block; 5. a deslagging mechanism; 51. connecting the racks; 52. a movable block; 53. a first screw; 54. connecting blocks; 55. connecting grooves; 56. a second screw; 57. a limiting block; 58. a deslagging knife; 59. a slag notch; 510. a piston block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: A3D printer with multiple coordinated spray heads comprises a 3D printer frame 1, a fixing plate 2, a rotating mechanism 3, a bevel gear set 31, a driving rod 32, a connecting rod 33, a fixing block 34, a handle 35, a material ejecting mechanism 4, a fixing rod 41, a supporting plate 42, a reset spring 43, an accommodating groove 44, a protruding block 45, a deslagging mechanism 5, a connecting rack 51, a movable block 52, a first screw 53, a connecting block 54, a connecting groove 55, a second screw 56, a limiting block 57, a deslagging cutter 58, a deslagging groove 59 and a piston block 510, wherein the fixing plate 2 is fixedly installed on the upper surface of the 3D printer frame 1, the rotating mechanism 3 is connected inside the fixing plate 2, one side of the rotating mechanism 3 is connected with the material ejecting mechanism 4, and the other side of the rotating mechanism 3 is connected with the deslagging mechanism 5;

the rotating mechanism 3 comprises a conical gear set 31, a driving rod 32, a connecting rod 33, a fixed block 34 and a handle 35, the conical gear set 31 is positioned inside the fixed plate 2, the upper end of the conical gear set 31 is in key connection with the driving rod 32, one end of the upper end of the driving rod 32, which extends out of the fixed plate 2, is fixedly provided with the handle 35, the driving rod 32 is in rotary connection with the fixed plate 2, one side of the conical gear set 31 is in key connection with the connecting rod 33, one end of the connecting rod 33, which is far away from the conical gear set 31, is in rotary connection with the fixed plate 2, the outer surface of one end of the connecting rod 33, which is far away from the conical gear set 31, is fixedly provided with the fixed block 34, and the connecting rod 33 and the fixed block 34 are positioned inside the fixed plate 2, through the, thereby facilitating the subsequent deslagging work;

the side view of the fixed block 34 is fan-shaped, and the fixed blocks 34 are symmetrically distributed about the longitudinal center line of the 3D printer frame 1, which is beneficial for the fixed block 34 to rotate through the fan-shaped fixed block 34, so that the fixed block 34 intermittently extrudes the fixed rod 41, thereby facilitating the work of ejecting the model by the subsequent protruding block 45;

the ejector mechanism 4 includes a fixing rod 41, a support plate 42, a return spring 43, a receiving groove 44, and a projection block 45, and an upper end surface of the fixing rod 41 abuts against the fixing block 34, and a support plate 42 is fixedly installed on the lower surface of the fixing rod 41, a return spring 43 is fixedly installed on the lower surface of the support plate 42, and the return spring 43 is positioned inside the receiving groove 44, and both ends of the supporting plate 42 are respectively positioned inside the receiving grooves 44, while the receiving grooves 44 are opened on both side frame wall surfaces of the 3D printer frame 1, one end of the supporting plate 42 is connected with the protrusion block 45, and the lower surface of the protruding block 45 is fixedly connected with the upper surface of the lower end of the 3D printer frame 1, the fixing rod 41 on the ejecting mechanism 4 is intermittently extruded by the fixing block 34, so that the fixing rod 41 drives the supporting plate 42 to move downwards, the protruding block 45 ejects the model, and the model is conveniently taken out;

the fixing rod 41 is in a U shape, the fixing rod 41 and the supporting plate 42 form a telescopic structure with the accommodating groove 44 through the return spring 43, and the length of the fixing rod 41 is smaller than that of the supporting plate 42, so that the fixing rod 41 is beneficial to enabling two ends of the fixing rod 41 to respectively drive two ends of the supporting plate 42 to move downwards, and the supporting plate 42 is more stable when moving upwards and downwards in the accommodating groove 44;

the front view of the convex block 45 is isosceles trapezoid, the convex blocks 45 are distributed on the upper surface of the lower end of the 3D printer frame 1 at equal intervals, and the upper ends of the convex blocks 45 and the supporting plate 42 form a sliding structure, so that the convex blocks 45 are beneficial to preventing the subsequent supporting plate 42 from being blocked when sliding, and the overall practicability is improved;

the slag removing mechanism 5 comprises a connecting rack 51, a movable block 52, a first screw 53, a connecting block 54, a connecting groove 55, a second screw 56, a limiting block 57, a slag removing cutter 58, a slag removing groove 59 and a piston block 510, wherein one end of the connecting rack 51 is meshed with the bevel gear set 31, the connecting rack 51 is connected with the fixed plate 2 in a sliding manner, the connecting rack 51 is positioned inside the fixed plate 2, the movable block 52 is fixedly arranged at one end of the connecting rack 51 extending out of the fixed plate 2, the first screw 53 is in threaded connection with the inner part of the movable block 52, the lower end of the first screw 53 is rotatably connected with the connecting block 54, the connecting groove 55 is arranged at the upper end of the connecting block 54, the second screw 56 is connected with the lower end of the connecting block 54, the limiting block 57 is fixedly arranged on the surface of one side of the second screw 56, and the slag removing cutter, meanwhile, the diameter of the limiting block 57 is larger than that of the slag removing cutter 58, a slag discharging groove 59 is formed in one side of the connecting block 54, one end of the slag discharging groove 59 is connected with the piston block 510, the slag discharging groove 59 is communicated with the connecting groove 55, and the slag removing mechanism 5 is arranged so that molten slag at a nozzle can be cleaned out through rotation of the slag removing cutter 58, so that the slag discharging groove 59 can accommodate the molten slag, and the condition that hands of workers are injured is avoided;

the limiting blocks 57 are symmetrically distributed about the transverse center line of the second screw 56, the connecting mode of the second screw 56 and the connecting block 54 is threaded, the heights of the second screw 56, the limiting blocks 57 and the slag removing knives 58 are larger than that of the connecting block 54, the limiting blocks 57 limit the second screw 56, and the situation that the slag removing knives 58 are driven to be separated from the connecting block 54 when the subsequent second screw 56 rotates is avoided.

The working principle of the embodiment is as follows: according to 1-3, after printing is finished, the handle 35 on the rotating mechanism 3 is rotated, the handle 35 drives the driving rod 32 to rotate, the driving rod 32 drives the bevel gear set 31 to operate, the connecting rods 33 on two sides are rotated through meshing connection between the bevel gear sets 31, the connecting rods 33 drive the fixed blocks 34 to rotate, when the fixed blocks 34 rotate, the fixed rods 41 on the ejecting mechanism 4 are intermittently extruded, the fixed rods 41 drive the supporting plate 42 to move downwards, the supporting plate 42 extrudes the return springs 43 in the accommodating grooves 44, and when the supporting plate 42 moves downwards, the protruding blocks 45 eject the model out through the action of the protruding blocks 45, so that the model is more conveniently taken out, meanwhile, the condition that the model is damaged is avoided, and the overall size precision of the model is improved;

according to fig. 1 and 4-6, when the bevel gear set 31 is operated, the connecting rack 51 moves inside the fixed plate 2 through the meshing connection between the bevel gear set 31 and the connecting rack 51 on the deslagging mechanism 5, so that the fixed plate 2 drives the movable block 52 to move to one side of the nozzle on the 3D printer frame 1, at which time the active rod 32 stops rotating, the first screw 53 is manually rotated, the first screw 53 drives the connecting block 54 to move downward through the threaded connection between the first screw 53 and the connecting block 54, so that the connecting block 54 descends to the lower side of the nozzle, then the active rod 32 is rotated, the movable block 52 drives the connecting block 54 to move, so that the connecting block 54 moves to the right lower side of the nozzle, at which time the first screw 53 is rotated, so that the first screw 53 drives the connecting block 54 to move upward, so that the deslagging knife 58 on the connecting block 54 enters the nozzle, at this moment, rotate stopper 57, it is rotatory to make stopper 57 drive second screw rod 56, thereby it is rotatory to make second screw rod 56 drive slagging-off sword 58, the slag in the nozzle is cleared up, also clear up the slag of the inside depths of nozzle simultaneously, the comprehensiveness when improving the clearance, the slag after the clearance can drop in the inside of spread groove 55 because self gravity, end up to the clearance, when needs are cleared up inside spread groove 55, take off piston block 510, make the inside slag of spread groove 55 drop out through slagging tap groove 59, accomplish the clearance work to the inside of spread groove 55, thereby accomplish a series of works.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a many shower nozzles collaborative 3D printer, includes 3D printer frame (1) and fixed plate (2), its characterized in that: fixed surface installs fixed plate (2) on 3D printer frame (1), and the internal connection of fixed plate (2) has slewing mechanism (3) to one side of slewing mechanism (3) is connected with liftout mechanism (4), and the opposite side of slewing mechanism (3) is connected with deslagging mechanism (5) simultaneously.

2. The multi-nozzle coordinated 3D printer according to claim 1, characterized in that: the rotating mechanism (3) comprises a conical gear set (31), a driving rod (32), a connecting rod (33), a fixed block (34) and a handle (35), the conical gear set (31) is positioned in the fixed plate (2), and the upper end key of the conical gear set (31) is connected with a driving rod (32), one end of the upper end of the driving rod (32) extending out of the fixing plate (2) is fixedly provided with a handle (35), and the driving rod (32) is rotationally connected with the fixed plate (2), one side of the conical gear set (31) is in key connection with a connecting rod (33), and one end of the connecting rod (33) far away from the conical gear set (31) is rotationally connected with the fixed plate (2), and a fixed block (34) is fixedly arranged on the outer surface of one end of the connecting rod (33) far away from the conical gear set (31), meanwhile, the connecting rod (33) and the fixing block (34) are positioned inside the fixing plate (2).

3. The multi-nozzle coordinated 3D printer according to claim 2, characterized in that: the fixed block (34) is fan-shaped in side view, and the fixed block (34) is symmetrically distributed about the longitudinal centerline of the 3D printer frame (1).

4. The multi-nozzle coordinated 3D printer according to claim 2, characterized in that: liftout mechanism (4) are including dead lever (41), backup pad (42), reset spring (43), holding tank (44) and protruding piece (45), and the upper end surface and fixed block (34) looks butt of dead lever (41) to the lower fixed surface of dead lever (41) installs backup pad (42), the lower fixed surface of backup pad (42) installs reset spring (43), and reset spring (43) are located the inside of holding tank (44), and the both ends of backup pad (42) are located the inside of holding tank (44) respectively, and both sides frame wall surface in 3D printer frame (1) is seted up in holding tank (44) simultaneously, the one end of backup pad (42) is connected with protruding piece (45), and the lower surface of protruding piece (45) is connected with the lower extreme upper surface fixed connection of 3D printer frame (1).

5. The multi-nozzle coordinated 3D printer according to claim 4, characterized in that: the fixing rod (41) is in a U shape in front view, the fixing rod (41) and the supporting plate (42) form a telescopic structure through a return spring (43) and an accommodating groove (44), and the length of the fixing rod (41) is smaller than that of the supporting plate (42).

6. The multi-nozzle coordinated 3D printer according to claim 4, characterized in that: the front view of protruding piece (45) is isosceles trapezoid, and protruding piece (45) are at the equidistant distribution of 3D printer frame (1) lower extreme upper surface to the upper end and backup pad (42) of protruding piece (45) constitute sliding construction.

7. The multi-nozzle coordinated 3D printer according to claim 2, characterized in that: the slag removing mechanism (5) comprises a connecting rack (51), a movable block (52), a first screw (53), a connecting block (54), a connecting groove (55), a second screw (56), a limiting block (57), a slag removing cutter (58), a slag discharging groove (59) and a piston block (510), one end of the connecting rack (51) is meshed with the bevel gear set (31) and is connected with the fixed plate (2) in a sliding manner, the connecting rack (51) is positioned inside the fixed plate (2), the movable block (52) is fixedly arranged at one end, extending out of the fixed plate (2), of the connecting rack (51), the inner thread of the movable block (52) is connected with the first screw (53), the lower end of the first screw (53) is rotatably connected with the connecting block (54), the connecting groove (55) is formed in the upper end of the connecting block (54), the lower end of the connecting block (54) is connected with the second screw (56), and one side fixed surface of second screw rod (56) installs stopper (57) to one side fixed surface of keeping away from second screw rod (56) of stopper (57) installs slagging-off sword (58), and the diameter of stopper (57) is greater than the diameter of slagging-off sword (58) simultaneously, slag notch (59) have been seted up to one side of connecting block (54), and the one end of slag notch (59) is connected with piston piece (510), and slag notch (59) and connecting groove (55) communicate each other.

8. The multi-nozzle coordinated 3D printer according to claim 7, wherein: the limiting blocks (57) are symmetrically distributed about the transverse center line of the second screw (56), the second screw (56) is in threaded connection with the connecting block (54), and the heights of the second screw (56), the limiting blocks (57) and the deslagging knife (58) are greater than that of the connecting block (54).