CN210817467U

CN210817467U - 3D three-dimensional forming laser printing equipment

Info

Publication number: CN210817467U
Application number: CN201921903824.4U
Authority: CN
Inventors: 徐立群
Original assignee: Beijing Century Tuotian Technology Co ltd
Current assignee: Beijing Century Tuotian Technology Co ltd
Priority date: 2019-11-06
Filing date: 2019-11-06
Publication date: 2020-06-23
Anticipated expiration: 2029-11-06

Abstract

The utility model discloses a 3D three-dimensional shaping laser printing equipment, including support frame and base, base fixed mounting is in the one end of support frame, the upper end fixed mounting of support frame has the blowing jar, there is adjusting device in the upper end of support frame through mounting bracket fixed mounting, adjusting device's below is provided with the powder shower nozzle, shakes mirror and laser instrument, one side upper end fixed mounting of support frame has the storing jar, the storing jar is located the top of base, the upper end fixed mounting of base has the air-blower. The utility model stores metal powder material through the storage tank, facilitates the use of the powder material through rotating the air lock valve and the air blower when 3D printing is carried out, and prevents the flying phenomenon of the metal powder material in use; parts with complex shapes are conveniently manufactured through the laser vibrating mirror and the powder spraying holes, the direction of metal dust printing is conveniently adjusted through the vibrating mirror, metal powder materials can be better melted, and 3D printing manufacturing is facilitated.

Description

3D three-dimensional forming laser printing equipment

Technical Field

The utility model relates to a laser printing equipment technical field specifically is a 3D three-dimensional shaping laser printing equipment.

Background

The 3D three-dimensional forming equipment can manufacture parts with complex shapes, a three-dimensional CAD solid model of the parts or products is manufactured on a computer, then a system can convert the three-dimensional shape information of the parts or the products into a series of two-dimensional outline information, then under the control of a numerical control series, a given two-dimensional shape is filled point by point on a certain base material by a metal powder material by a synchronous powder feeding laser printing method, the process is repeated, and the three-dimensional solid parts or the products are formed by stacking layer by layer, but the traditional laser three-dimensional forming equipment generally prints in a tiling mode when the metal powder material is used, dust exists in the process of using the metal powder, X, Y and a Z-axis adjusting device in the 3D printing equipment generally have large connecting shafts, the maintenance and the repair of the adjusting device are inconvenient, the direction of laser beams emitted by the traditional laser three-dimensional forming equipment cannot be adjusted, when the laser beam melts metal powder, the metal powder can be melted in one direction, and the workpiece manufacturing is affected when some workpieces with complex shapes are printed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a three-dimensional shaping laser printing apparatus of 3D, generally print through the mode of tiling when using the metal powder material with traditional three-dimensional shaping apparatus of laser who proposes in solving above-mentioned background art, there is the dust at the in-process that uses metal powder, X, Y is more with the great connecting axle of the general size of the adjusting device of Z axle in 3D printing apparatus, inconvenient adjusting device's maintenance and maintenance, can only melt towards a direction when the laser beam melts metal powder, can influence the problem of the preparation of work piece when printing the work piece of some complicated shapes.

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a 3D stereolithography laser printing equipment, includes support frame and base, base fixed mounting is in the one end of support frame, the upper end fixed mounting of support frame has the blowing jar, the upper end of support frame has adjusting device through mounting bracket fixed mounting, adjusting device's below is provided with powder shower nozzle, shakes mirror and laser instrument, one side upper end fixed mounting of support frame has the storing jar, the storing jar is located the top of base, the upper end fixed mounting of base has the air-blower.

Preferably, the air blower is connected with the upper end of the material discharging tank through a pipeline, a material discharging pipe is arranged at the lower end of the material storing tank, and the lower end of the material discharging pipe is communicated with the side wall of the pipeline.

Preferably, a check valve is arranged on the inner side of one end, close to the air blower, of the pipeline, and a rotary airlock valve is arranged in the center of the discharging pipe.

Preferably, the adjusting device comprises two X adjusting shafts, one Y adjusting shaft and one Z adjusting shaft.

Preferably, a first vent is formed in the upper end of the storage tank, a second vent is formed in the upper end of the storage tank, and dust filters are arranged at the lower ends of the first vent and the second vent.

Preferably, the one end fixed mounting that Y transfer axle was kept away from to Z transfer axle has rectangle open-ended powder shower nozzle, the upper end fixed mounting of powder shower nozzle has the mirror that shakes, is located the Z transfer axle of the top of mirror that shakes is gone up fixed mounting has the laser instrument, powder orifice and laser hole have been seted up respectively to the upper end of powder shower nozzle, the powder orifice passes through the lower extreme intercommunication of connecting pipe with the blowing jar.

Preferably, the vibration mirror comprises a shell, an X-axis vibration mirror, a Y-axis vibration mirror, a lens and a focusing mirror, wherein the X-axis vibration mirror, the Y-axis vibration mirror, the lens and the focusing mirror are respectively and fixedly installed on the side wall of the inner cavity of the shell, the X-axis vibration mirror and the Y-axis vibration mirror are located at the upper end of the inner cavity of the shell, the lens is located below the X-axis vibration mirror and the Y-axis vibration mirror, the focusing mirror is located below the lens, and the focusing mirror is fixedly arranged with the side wall of the shell through an adjusting rod.

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

the utility model stores the metal powder material through the storage tank, facilitates the use of the powder material through rotating the air lock valve and the air blower when 3D printing is carried out, and prevents the flying phenomenon of the metal powder material in use; the laser printing head is adjusted through the adjusting device, the using space of the adjusting device is effectively reduced, the adjusting device is simple and practical in structure and convenient to maintain and repair, and the position of the powder spraying head is conveniently adjusted through the adjusting device; parts with complex shapes are conveniently manufactured through the laser vibrating mirror and the powder spraying holes, the direction of metal dust printing is conveniently adjusted through the vibrating mirror, metal powder materials can be better melted, and 3D printing manufacturing is facilitated.

Drawings

FIG. 1 is a schematic view of the supporting frame of the present invention;

FIG. 2 is a schematic structural view of the adjusting device of the present invention;

FIG. 3 is a schematic structural view of the powder nozzle of the present invention;

FIG. 4 is a top view of the powder sprayhead of the present invention;

fig. 5 is a schematic structural view of the galvanometer and the laser of the present invention.

In the figure: 1. a support frame; 2. a base; 3. a mounting frame; 4. an adjustment device; 41. x is used for adjusting a shaft; 42. a Y adjusting shaft; 43. a Z adjusting shaft; 5. a powder spray head; 51. a galvanometer; 511. an X-axis galvanometer; 512. a Y-axis galvanometer; 513. a lens; 514. a focusing mirror; 515. adjusting a rod; 52. a laser; 53. spraying a hole on the powder; 54. laser holes; 6. a blower; 61. a check valve; 7. a pipeline; 8. placing a material tank; 81. a second vent; 9. a storage tank; 91. a first vent; 92. a dust filter; 93. discharging the material pipe; 94. rotating the airlock valve; 10. and (4) connecting the pipes.

Detailed Description

In order to solve traditional laser three-dimensional forming equipment and generally print through the mode of tiling when using the metal powder material, there is the dust at the in-process that uses metal powder, X, Y is more with the great connecting axle of the general size of the adjusting device of Z axle in 3D printing equipment, inconvenient adjusting device's maintenance and maintenance, can only melt towards a direction when the laser beam melts metal powder, can influence the problem of the preparation of work piece when printing the work piece of some complicated shapes, the embodiment of the utility model provides a 3D three-dimensional forming laser printing equipment. 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.

Examples

Please refer to fig. 1-5, the embodiment provides a 3D three-dimensional forming laser printing apparatus, which includes a support frame 1 and a base 2, the base 2 is fixedly mounted at one end of the support frame 1, an emptying tank 8 is fixedly mounted at the upper end of the support frame 1, an adjusting device 4 is fixedly mounted at the upper end of the support frame 1 through a mounting frame 3, the positions of an X axis, a Y axis and a Z axis of a powder nozzle 5 are adjusted through the adjusting device 4, the powder nozzle 5, a vibrating mirror 51 and a laser 52 are arranged below the adjusting device 4, a storage tank 9 is fixedly mounted at the upper end of one side of the support frame 1, the storage tank 9 stores metal powder, the flying phenomenon of the metal powder in the using process is solved, the storage tank 9 is located above the base 2, and a blower 6 is fixedly mounted at the upper end of the base 2.

The air blower 6 is connected with the upper end of the discharging tank 8 through a pipeline 7, two parts of air flow are generated in the inner cavity of the pipeline 7 through the air blower 6, the air flow enters the discharging pipe 93 along the pipeline 7, the air flow can drive the rotary air lock valve 94 to rotate, metal powder in the inner cavity of the storage tank 9 can move downwards through the rotary metal powder of the rotary air lock valve 94 and enters the discharging tank 8 along the pipeline 7, the discharging pipe 93 is arranged at the lower end of the storage tank 9, and the lower end of the discharging pipe 93 is communicated with the side wall of the pipeline 7; the inner side of one end of the pipeline 7 close to the blower 6 is provided with a check valve 61, when the blower 6 stops moving, the metal powder left in the pipeline 7 does not flow back through the check valve 61, the center of the discharging pipe 93 is provided with a rotary air lock valve 94, and the metal powder in the inner cavity of the storage tank 9 moves downwards through the rotary air lock valve 94.

The adjusting device 4 comprises two X adjusting shafts 41, a Y adjusting shaft 42 and a Z adjusting shaft 43, wherein a sliding rod and an adjusting screw rod are respectively arranged in the X adjusting shaft 41, the Y adjusting shaft 42 and the Z adjusting shaft 43, one end of the adjusting screw rod is driven by a motor to rotate, two ends of the Y adjusting shaft 42 are slidably arranged between the two X adjusting shafts 41, the lower end of the two ends of the Y adjusting shaft 42 is fixedly provided with an adjusting cylinder, the lower end of the Y adjusting shaft 42, which slides, is fixedly provided with a screw rod, is connected with the adjusting cylinder through a thread, so that the Y adjusting shaft 42 is displaced, the upper end of the Z adjusting shaft 43 slides on the Y adjusting shaft 42, the adjusting cylinder is arranged at the sliding position of the Z adjusting shaft 43, the adjusting screw rod is driven by the motor to rotate, so that the Z adjusting shaft 43 is displaced on the Y adjusting shaft 42, the powder spray nozzle 5 is fixedly arranged at the lower end of the Z adjusting shaft 43, and the, the powder spray head 5 is driven to move left and right by rotating the motor on the Y adjusting shaft 42, and the powder spray head 5 is driven to move up and down by rotating the motor at the upper end of the Z adjusting shaft 43.

A first vent hole 91 is formed in the upper end of the storage tank 9, a second vent hole 81 is formed in the upper end of the discharge tank 8, redundant gas in the inner cavities of the storage tank 9 and the discharge tank 8 is discharged through the first vent hole 91 and the second vent hole 81, dust filters 92 are arranged at the lower ends of the first vent hole 91 and the second vent hole 81, and preferably, the dust filters 92 are XRF series dust filters; one end of the Z adjusting shaft 43 far away from the Y adjusting shaft 42 is fixedly provided with a rectangular open-ended powder nozzle 5, the upper end of the powder nozzle 5 is fixedly provided with a vibrating mirror 51, a laser 52 is fixedly arranged on the Z adjusting shaft 43 above the vibrating mirror 51, a powder spray hole 53 and a laser hole 54 are respectively formed in the upper end of the powder nozzle 5, the powder spray hole 53 is communicated with the lower end of the material discharge tank 8 through a connecting pipe 10, metal powder is sprayed out through the powder spray hole 53, laser beams sent by the laser 52 are subjected to deviation of the vibrating mirror 51 to melt the metal powder, the liquid metal is solidified and then molded on the surface of a coating material, and the laser printing area prints out a workpiece slowly through layer-by-layer superposition on the surface of the coating material.

The galvanometer 51 comprises a shell 11, an X-axis galvanometer 511, a Y-axis galvanometer 512, a lens 513 and a focusing mirror 514, wherein the X-axis galvanometer 511, the Y-axis galvanometer 512, the lens 513 and the focusing mirror 514 are respectively and fixedly arranged on the side wall of an inner cavity of the shell 11, the X-axis galvanometer 511 and the Y-axis galvanometer 512 are positioned at the upper end of the inner cavity of the shell 11, the lens 513 is positioned below the X-axis galvanometer 511 and the Y-axis galvanometer 512, the focusing mirror 514 is positioned below the lens 513, the focusing mirror 514 is fixedly arranged with the side wall of the shell 11 through an adjusting rod 515, a laser beam of the laser 52 irradiates the X-axis galvanometer 511 through an incident port in the galvanometer 51, is refracted to the Y-axis galvanometer 512 through the X-axis galvanometer 511, and passes through the lens 513 and the focusing mirror 514 by refraction of the pressure Y-axis galvanometer 512, finally, the laser beam is emitted from the emitting port, the emitted laser beam is absorbed into the powder nozzle 5 through the laser hole 54, and the metal powder sprayed from the powder spraying hole 53 is melted, so that the printing of the workpiece is completed.

In this embodiment, the coating position is determined by adjusting the adjusting device 4, and by rotating the blower 6, two partial air flows are generated in the rotary downer duct 7 of the blower 6, one part of the air flow passing along the duct 7 into the discharge pipe 93, the air flow drives the rotary air lock valve 94 to rotate, the metal powder in the storage tank 9 moves downwards under the rotation of the rotary air lock valve 94, the metal powder moving downwards enters the discharging tank 8 under the drive of the air flow of the other part of the pipeline 7, the metal powder enters the powder spray hole 53 from the lower end of the discharging tank 8 through the connecting pipe 10, the laser beam emitted by the laser 52 arranged above the powder spray head 5 enters the laser hole 54 through the refraction of the vibrating mirror 51, metal powder is sprayed from a powder spray hole 53 in the powder spray head 5, and the metal powder is melted by laser beams so as to print a workpiece by slowly superposing the surfaces of the coating materials layer by layer.

In the description of the present application, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application.

In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.

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 3D stereolithography laser printing equipment, includes support frame (1) and base (2), base (2) fixed mounting is in the one end of support frame (1), its characterized in that: the utility model discloses a laser vibration reduction device, including support frame (1), mounting bracket (3), vibrating mirror (51), laser instrument (52), the upper end fixed mounting of support frame (1) has blowing jar (8), the upper end fixed mounting of support frame (1) has adjusting device (4) through mounting bracket (3) fixed mounting, the below of adjusting device (4) is provided with powder shower nozzle (5), shakes mirror (51) and laser instrument (52), one side upper end fixed mounting of support frame (1) has storing jar (9), storing jar (9) are located the top of base (2), the upper end fixed mounting of base (2) has air-blower (6).

2. 3D stereolithography laser printing device according to claim 1, characterized in that: the air blower (6) is connected with the upper end of the material discharging tank (8) through a pipeline (7), the material discharging pipe (93) is arranged at the lower end of the storage tank (9), and the lower end of the material discharging pipe (93) is communicated with the side wall of the pipeline (7).

3. 3D stereolithography laser printing device according to claim 2, characterized in that: the inner side of one end, close to the air blower (6), of the pipeline (7) is provided with a check valve (61), and the center of the discharging pipe (93) is provided with a rotary air lock valve (94).

4. 3D stereolithography laser printing device according to claim 1, characterized in that: the adjusting device (4) comprises two X adjusting shafts (41), a Y adjusting shaft (42) and a Z adjusting shaft (43).

5. 3D stereolithography laser printing device according to claim 1, characterized in that: first vent (91) have been seted up to the upper end of storing jar (9), second vent (81) have been seted up to the upper end of putting jar (8), the lower extreme of first vent (91) and second vent (81) all is provided with dust filter (92).

6. The 3D stereolithography laser printing apparatus according to claim 4, wherein: one end fixed mounting that Y transfer axle (42) was kept away from in Z transfer axle (43) has rectangle open-ended powder shower nozzle (5), the upper end fixed mounting of powder shower nozzle (5) has mirror (51) of shaking, is located fixed mounting has laser instrument (52) on Z transfer axle (43) of the top of mirror (51) of shaking, powder orifice (53) and laser hole (54) have been seted up respectively to the upper end of powder shower nozzle (5), powder orifice (53) communicate through the lower extreme of connecting pipe (10) with blowing jar (8).

7. The 3D stereolithography laser printing apparatus according to claim 6, wherein: the vibrating mirror (51) comprises a shell (11), an X-axis vibrating mirror (511), a Y-axis vibrating mirror (512), a lens (513) and a focusing mirror (514), wherein the X-axis vibrating mirror (511), the Y-axis vibrating mirror (512), the lens (513) and the focusing mirror (514) are respectively and fixedly installed on the side wall of an inner cavity of the shell (11), the X-axis vibrating mirror (511) and the Y-axis vibrating mirror (512) are located at the upper end of the inner cavity of the shell (11), the lens (514) is located below the X-axis vibrating mirror (511) and the Y-axis vibrating mirror (512), the focusing mirror (514) is located below the lens (513), and the focusing mirror (514) is fixedly arranged with the side wall of the shell (11) through an adjusting rod (515).