CN215879901U

CN215879901U - Atomizing mechanism for metal 3D printer

Info

Publication number: CN215879901U
Application number: CN202120665435.3U
Authority: CN
Inventors: 徐金涛
Original assignee: Suzhou Laizefeng Material Technology Co ltd
Current assignee: Suzhou Laizefeng Material Technology Co ltd
Priority date: 2021-04-01
Filing date: 2021-04-01
Publication date: 2022-02-22
Anticipated expiration: 2031-04-01

Abstract

The utility model discloses an atomizing mechanism for a metal 3D printer, which comprises a nozzle shell, wherein one side of the upper end of the nozzle shell is provided with an electric telescopic rod, the telescopic end of the electric telescopic rod is provided with a top plate, and a transmission device is arranged below the top plate; the transmission device comprises a first rotating rod, a driving gear, a driving motor, a transmission chain and a driven gear; according to the utility model, through the mutual matching of the guide rod, the flange plate, the electric telescopic rod, the rotating rod I, the driving gear, the driving motor, the transmission chain, the driven gear, the rotating rod II and the top plate, the magnet rod can rotate while adsorbing large metal particles, the adsorption area of the magnet rod and the metal particles is increased, and the adsorption effect is improved.

Description

Atomizing mechanism for metal 3D printer

Technical Field

The utility model belongs to the technical field of 3D printing, and particularly relates to an atomizing mechanism for a metal 3D printer.

Background

3D printing (3DP), a technique for constructing objects by layer-by-layer printing using bondable materials such as powdered metals or plastics based on digital model files, is one of the rapid prototyping techniques, also known as additive manufacturing.

In the 3D printer in the prior art, when the magnet rod adsorbs large metal particles, the metal particles adsorbed on the magnet rod close to one side of the liquid inlet are full, other surfaces are not directly contacted with liquid and are empty, and the adsorption effect is not strong enough; in addition, the impurities in the liquid cannot be removed only by the magnet rod, and the nozzle opening is easy to be blocked and damaged after a long time.

There is a need to provide an atomizing mechanism for a metal 3D printer to solve the above problems.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides an atomizing mechanism for a metal 3D printer, which has the characteristics of enlarging the adsorption area, improving the impurity removal rate and prolonging the service life of a nozzle opening.

In order to achieve the purpose, the utility model provides a transmission device which comprises a first rotating rod, a driving gear, a driving motor, a transmission chain and a driven gear, wherein the driving motor is arranged on one side of the lower end of a top plate, the output end of the driving motor is connected with the first rotating rod, the driving gear is arranged on the periphery of the first rotating rod, a second rotating rod is arranged on the other side of the lower end of the top plate, and the driven gear is arranged on the periphery of the second rotating rod and corresponds to the driving gear.

And a flange plate is arranged between one end of the top plate far away from the first rotating rod and the second rotating rod and the magnet rod.

In order to achieve the purpose, the utility model further provides an atomization mechanism for the metal 3D printer, which comprises a nozzle shell, wherein a liquid inlet is formed in the outer side of the nozzle shell, a plugging device is arranged in the middle of the inner part of the nozzle shell, magnet bars are arranged in the inner part of the nozzle shell and positioned at two sides of the plugging device, an electric telescopic rod is arranged on one side of the upper end of the nozzle shell, a top plate is arranged at the telescopic end of the electric telescopic rod, and a transmission device is arranged below the top plate;

the transmission device comprises a first rotating rod, a first driving gear, a driving motor, a transmission chain and a driven gear, wherein the driving motor is arranged on one side of the lower end of the top plate, the output end of the driving motor is connected with the first rotating rod, the driving gear is arranged on the periphery of the first rotating rod, a second rotating rod is arranged on the other side of the lower end of the top plate, the driven gear is arranged on the periphery of the second rotating rod and corresponds to the driving gear, and a flange plate is arranged between one end of the first rotating rod and one end of the second rotating rod, which are far away from the top plate, and the magnet rod.

Preferably, the upper end of the nozzle shell and one side far away from the electric telescopic rod are provided with a guide rod, and an inner sliding rod is connected to the inside of the guide rod in a sliding manner.

Preferably, the sizes of the gear teeth of the driving gear and the driven gear are kept consistent, the gear teeth corresponding to the driving gear and the driven gear are arranged on the inner side wall of the transmission chain, and the transmission chain is meshed with the driving gear and the driven gear through the gear teeth.

Preferably, a metal filter is arranged at the lower end of the interior of the nozzle shell, and a third cavity is enclosed by the metal filter and the lower end of the interior of the nozzle shell.

Preferably, a flow reducing plate is arranged inside the nozzle shell and above the metal filter, a plurality of flow guide pipes are arranged inside the flow reducing plate, a second cavity is enclosed between the flow reducing plate and the metal filter, and a first cavity is enclosed between the flow reducing plate and the upper end inside the nozzle shell.

Preferably, the lower ends of the flow guide pipes are provided with spray heads, and openings of the spray heads are flared.

Compared with the prior art, the utility model has the beneficial effects that:

through mutually supporting between guide bar, ring flange, electric telescopic handle, dwang one, driving gear, driving motor, driving chain, driven gear, dwang two, the roof, can rotate when making the magnet stick carry out the absorption to the large metal particle, increase magnet stick and metal particle's adsorption area improves adsorption effect.

Through mutually supporting between first cavity, flow reducing plate, metal filter, third cavity, shower nozzle, second cavity, the honeycomb duct, make the liquid head of first cavity pass through the honeycomb duct reposition of redundant personnel, the rethread shower nozzle spills into the second cavity, filters through metal filter and realizes atomizing to the third cavity again, carries out secondary filter to the metal particle in the liquid, avoids nozzle clogging, increase of service life.

Drawings

FIG. 1 is a schematic structural diagram of an atomizing mechanism for a metal 3D printer according to the present invention;

FIG. 2 is a cross-sectional view of the present invention;

fig. 3 is a schematic structural diagram of a transmission device of an atomizing mechanism for a metal 3D printer according to the present invention.

In the figure: 1. a guide bar; 2. a flange plate; 3. a nozzle housing; 4. a liquid inlet; 5. an electric telescopic rod; 6. A transmission device; 61. rotating the first rod; 62. a driving gear; 63. a drive motor; 64. a drive chain; 65. a driven gear; 66. rotating the second rod; 7. a top plate; 8. a magnet bar; 9. a first cavity; 10. a flow reducing plate; 11. A metal filter; 12. a third cavity; 13. a spray head; 14. a second cavity; 15. a flow guide pipe; 16. an occlusion device.

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 to 3, the utility model provides an atomizing mechanism for a metal 3D printer, which includes a nozzle housing 3, a liquid inlet 4 is disposed on an outer side of the nozzle housing 3, a plugging device 16 is disposed in a middle of an inner portion of the nozzle housing 3, magnet bars 8 are disposed in the nozzle housing 3 and located on two sides of the plugging device 16, an electric telescopic rod 5 is disposed on one side of an upper end of the nozzle housing 3, a top plate 7 is disposed at a telescopic end of the electric telescopic rod 5, and a transmission device 6 is disposed below the top plate 7.

The transmission device 6 comprises a first rotating rod 61, a driving gear 62, a driving motor 63, a transmission chain 64 and a driven gear 65, the driving motor 63 is arranged on one side of the lower end of the top plate 7, the output end of the driving motor 63 is connected with the first rotating rod 61, the driving gear 62 is arranged on the periphery of the first rotating rod 61, a second rotating rod 66 is arranged on the other side of the lower end of the top plate 7, the driven gear 65 is arranged on the periphery of the second rotating rod 66 and corresponds to the driving gear 62, and a flange plate 2 is arranged between one end, away from the top plate 7, of the first rotating rod 61 and the second rotating rod 66 and the magnet rod 8.

Specifically, the upper end of the nozzle shell 3 and one side far away from the electric telescopic rod 5 are provided with a guide rod 1, the inner sliding connection of the guide rod 1 is provided with an inner sliding rod, and the guide rod 1 improves the stability of the movement of the top plate 7 and the transmission device 6.

The sizes of the gear teeth of the driving gear 62 and the driven gear 65 are kept consistent, the gear teeth corresponding to the driving gear 62 and the driven gear 65 are arranged on the inner side wall of the transmission chain 64, and the transmission chain 64 is connected with the driving gear 62 and the driven gear 65 through gear teeth meshing, so that the driving gear 62 rotates to drive the driven gear 65 to rotate.

The inside lower extreme of nozzle shell 3 is provided with metal filter 11, and metal filter 11 and nozzle shell 3's inside lower extreme encloses and closes third cavity 12, and metal filter 11 filters the metal tiny particle in the liquid, improves filtration efficiency.

The flow reducing plate 10 is arranged in the nozzle shell 3 and above the metal filter 11, the plurality of flow guide pipes 15 are arranged in the flow reducing plate 10, the second cavity 14 is enclosed between the flow reducing plate 10 and the metal filter 11, the first cavity 9 is enclosed between the flow reducing plate 10 and the inner upper end of the nozzle shell 3, and the flow reducing plate 10 reduces the pressure of liquid on the metal filter 11 to avoid blockage.

Specifically, the lower ends of the flow guide pipes 15 are provided with the spray heads 13, the openings of the spray heads 13 are flared, and the spray heads 13 enlarge the spraying area of the liquid and reduce the pressure on the metal filter 11.

The metal filter 11 in the utility model is the prior disclosed technology, and the model of the metal filter is an HY-AF-008 overflow metal net primary-effect sheet type filter.

When liquid enters the nozzle shell 3 from the liquid inlet 4, firstly, the driving motor 63 is rotated to drive the driving gear 62 to rotate, the transmission chain 64 is driven to rotate, the driven gear 65 is driven to rotate, the rotating rod I61 and the rotating rod II 66 are driven to rotate, the magnet rod 8 is driven to rotate, large particles in the liquid are adsorbed, the adsorbable area of the magnet rod 8 and the metal particles is increased, the adsorption effect is improved, then, the liquid flows into the second cavity 14 from the first cavity 9 through the flow guide pipe 15 in the flow reduction plate 10, the pressure of the liquid metal filter 11 is reduced by the flow reduction plate 10, the blockage is avoided, and then the metal particles remained in the liquid are filtered by the metal filter 11, so that the filtering efficiency is improved, the blockage of a nozzle opening is avoided, and the service life of the nozzle opening is prolonged.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a metal is atomizing mechanism for 3D printer which characterized in that: the nozzle comprises a nozzle shell (3), wherein an electric telescopic rod (5) is arranged on one side of the upper end of the nozzle shell (3), a top plate (7) is arranged at the telescopic end of the electric telescopic rod (5), and a transmission device (6) is arranged below the top plate (7); transmission (6) are including dwang one (61), driving gear (62), driving motor (63), driving chain (64) and driven gear (65), the lower extreme one side of roof (7) is provided with driving motor (63), the output of driving motor (63) is connected with dwang one (61), the periphery of dwang one (61) is provided with driving gear (62), the lower extreme opposite side of roof (7) is provided with dwang two (66), the periphery of dwang two (66) and the position that corresponds driving gear (62) are provided with driven gear (65).

2. The atomizing mechanism for a metal 3D printer according to claim 1, characterized in that: the outside of nozzle shell (3) is provided with inlet (4), be provided with plugging device (16) in the middle of the inside of nozzle shell (3), the inside of nozzle shell (3) and the both sides that are located plugging device (16) are provided with magnet stick (8), dwang one (61), dwang two (66) are kept away from and are provided with ring flange (2) between one end and the magnet stick (8) of roof (7).

3. The atomizing mechanism for the metal 3D printer according to claim 2, characterized in that: the nozzle is characterized in that a guide rod (1) is arranged at the upper end of the nozzle shell (3) and on one side far away from the electric telescopic rod (5), and an inner sliding rod is connected inside the guide rod (1) in a sliding manner.

4. The atomizing mechanism for the metal 3D printer according to claim 3, characterized in that: the nozzle is characterized in that a metal filter (11) is arranged at the lower end of the interior of the nozzle shell (3), and a third cavity (12) is enclosed by the metal filter (11) and the lower end of the interior of the nozzle shell (3).

5. The atomizing mechanism for the metal 3D printer according to claim 4, characterized in that: the nozzle is characterized in that a flow reducing plate (10) is arranged inside the nozzle shell (3) and above the metal filter (11), a plurality of flow guide pipes (15) are arranged inside the flow reducing plate (10), a second cavity (14) is enclosed between the flow reducing plate (10) and the metal filter (11), and a first cavity (9) is enclosed between the flow reducing plate (10) and the upper end of the inside of the nozzle shell (3).

6. The atomizing mechanism for the metal 3D printer according to claim 5, characterized in that: the lower end of the flow guide pipe (15) is provided with a spray head (13), and the opening of the spray head (13) is in a horn shape.

7. The atomizing mechanism for the metal 3D printer according to claim 1, characterized in that: the gear teeth of the driving gear (62) and the driven gear (65) are kept consistent in size, gear teeth corresponding to the driving gear (62) and the driven gear (65) are arranged on the inner side wall of the transmission chain (64), and the transmission chain (64) is connected with the driving gear (62) and the driven gear (65) in a gear tooth meshing mode.