CN210587166U

CN210587166U - 3D prints clear powder equipment of metal

Info

Publication number: CN210587166U
Application number: CN201921354068.4U
Authority: CN
Inventors: 杨春; 尚雷; 支浩; 穆明强; 迟博; 李侨扬; 赵纪元; 卢秉恒
Original assignee: National Institute Corp of Additive Manufacturing Xian
Current assignee: National Institute Corp of Additive Manufacturing Xian
Priority date: 2019-08-20
Filing date: 2019-08-20
Publication date: 2020-05-22
Anticipated expiration: 2029-08-20

Abstract

The utility model relates to a 3D printing metal powder cleaning device, which solves the problems of incomplete cleaning, potential safety hazard and serious waste existing in the existing powder cleaning device or method, and comprises a closed shell, a framework, a vibrating device and a collecting device; the vibration device comprises a stepping motor, a transmission rod, a steering plate, a vibration motor and a chuck; an output shaft of the stepping motor is connected with a transmission rod through a coupler, and the transmission rod is hinged with the steering plate; the chuck is connected with the steering plate through a spring; the vibration motor is fixed on the chuck; an air pressure rod is also arranged between the transmission rod and the steering plate; the collecting device comprises a porous plate, a dust collector and a powder collecting container; the porous plate covers and is connected with a dust suction port of the dust collector; the powder collecting container is connected with the discharge port of the dust collector. The totally enclosed design is realized by adopting the enclosed shell, so that direct contact between powder cleaning personnel and powder is reduced; and can drive through the transfer line and wait to clear up the part and realize nearly 720 degrees rotations, realize all-round powder clearance.

Description

3D prints clear powder equipment of metal

Technical Field

The utility model belongs to the technical field of 3D printing apparatus, concretely relates to clear powder equipment of 3D printing metal.

Background

The 3D printing technology is a technology capable of converting a three-dimensional model into a three-dimensional real object in the shortest time, is not limited by traditional processing, can be manufactured in the shortest time as long as the three-dimensional model can be designed, and is applied to the fields of medical treatment, aerospace and the like. In the technical field of 3D printing, metal 3D printing (SLM) is the most widely applied printing, has the advantages of high material utilization rate, wide applicable material range, short production period, capability of manufacturing parts with complex shapes and the like, and has great advantages in structural formation of pipelines with small bending apertures, dense inclined holes, dense blind holes, complex cavities and the like at multiple positions. However, these complex structures leave a very large amount of metal powder inside after the blank is formed and are limited by structural features, and the remaining powder is difficult to clean.

For the clearance of these remaining powders, the workman utilizes the air gun to blow, collects the powder mostly, and the air gun is because can't really clear up clean up, and the waste is also very serious to the workman only wears gauze mask, gloves to the human injury is the biggest at this step, and the unclean clearance will lead to following heat treatment process, and heat treatment can be stained with on the wall after to the part heat treatment that does not clear up completely and catch up, and basically clear up, serious whole part can all make a waste. The powder is cleaned by adopting a dust collector or a vibration mode, but the all-around thorough cleaning of parts cannot be realized, or the powder is contacted with air by adopting a certain cleaning mode, so that the problem of certain safety exists, and the powder is also greatly wasted.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a clear powder equipment of 3D printing metal solves the clearance that clear powder equipment or method exists at present thoroughly, has potential safety hazard and extravagant serious problem.

The technical solution of the utility model is to provide a clear powder equipment of 3D printing metal, its special character lies in: comprises a closed shell, a framework arranged in the closed shell, a vibration device and a collection device;

the vibration device comprises a stepping motor, a transmission rod, a steering plate, a vibration motor and a chuck for clamping a part to be cleaned;

the stepping motor is fixed at the top end of the framework, an output shaft of the stepping motor is connected with one end of a transmission rod through a coupler, and the other end of the transmission rod is hinged with the steering plate; the chuck and the steering plate are arranged in parallel and connected through a plurality of springs; the vibration motor is positioned between the steering plate and the chuck and is fixed on the chuck; an air pressure rod is also arranged between the middle section of the transmission rod and the steering plate;

the collecting device comprises a porous plate, a dust collector and a powder collecting container; the porous plate covers and is connected with a dust suction port of the dust collector and is positioned right below the chuck; the powder collecting container is connected with the discharge port of the dust collector.

Furthermore, a screen is arranged between the discharge port of the dust collector and the powder collecting container, and metal powder is screened into the powder collecting barrel by using the aftershock of the vibrating motor.

Further, in order to realize uniform shock absorption, the number of the springs is four, and the springs are distributed at four corners of the chuck.

Furthermore, a tool clamp for additionally installing parts is arranged on the chuck.

Furthermore, in order to realize manual cleaning at the same time, a glove opening is formed in the position of the shell corresponding to the chuck, and a glove, an air gun and a hairbrush are arranged in the shell.

Further, the dust collector is a vacuum explosion-proof dust collector.

Furthermore, a lighting assembly is arranged in the shell, and the lighting assembly is an LED lamp tube.

Furthermore, the framework is made of square steel, and the shell is made of a steel plate with the thickness of 3 mm.

Furthermore, the whole inner part of the shell is completely closed in operation and protected by inert gas, and regular impact force can be accompanied in vibration, so that powder in the inner flow passage can be better cleaned.

The utility model has the advantages that:

1. the utility model adopts the sealed shell to realize the totally-enclosed design, thereby reducing the direct contact between powder cleaning personnel and the powder; the part to be cleaned can be driven to rotate by nearly 720 degrees through the transmission rod, and all-dimensional powder cleaning is realized through vibration of the vibration motor;

2. the utility model modifies the dust suction port of the dust collector, and the perforated plate is covered on the dust suction port, so that the powder can not be lifted for a long time and the powder cleaning process can be observed more clearly;

3. the whole box body is completely closed in work and protected by inert gas, powder can be prevented from burning and exploding, and regular impact force can be accompanied in vibration, so that the powder in the inner flow channel can be better cleaned;

4. the utility model discloses can utilize simultaneously inside air gun, brush collocation chuck and the unnecessary powder of clearance that shock dynamo can be better.

Drawings

FIG. 1 is a schematic structural diagram of a 3D printing metal powder cleaning device in accordance with an embodiment;

the reference numbers in the figures are: 1-pneumatic rod, 2-steering plate, 3-vibration motor, 4-tool clamp, 5-clamping screw, 6-perforated plate, 7-powder collecting container, 8-framework, 9-stepping motor, 10-coupler, 11-transmission rod, 12-hinge, 13-spring, 14-chuck, 15-dust collector and 16-screen.

Detailed Description

The invention is further described with reference to the following drawings and specific embodiments.

It is to be understood that the terms of orientation or positional relationship of the present invention, such as "front, back, up, down, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings and are used only for the convenience of describing the present invention and for the simplicity of description, and in the absence of any contrary intention, these terms of orientation do not indicate and imply that the device or element so referred to must have a particular orientation or be constructed and operated in a particular orientation and therefore should not be construed as limiting the scope of the present invention; the terms "inside" and "outside" refer to the inner and outer parts of the profile of the respective component itself, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present invention. In addition, it should be noted that fig. 1 is only an example, it is not drawn to scale, and should not be taken as a limitation to the scope of the invention as actually claimed.

As can be seen from fig. 1, the 3D printing metal powder cleaning device in this embodiment is a closed space during operation, and mainly includes a housing, a framework, a vibrating device, a collecting device, and the like, where the housing is a closed casing filled with an inert shielding gas, and the framework is located inside the closed casing and used for fixing the vibrating device and the collecting device, and the framework in this embodiment is made of square steel, and may be made of other materials in other embodiments.

The vibration device is located above the framework, the collecting device is located below the vibration device, the vibration device mainly comprises a stepping motor, a transmission rod, a steering plate, a vibration motor and a chuck from top to bottom, the stepping motor is fixed to the top of the framework, an output shaft of the stepping motor is connected with one end of the transmission rod through a coupler, and the other end of the transmission rod is hinged with the steering plate through a hinge. The plane that the definition steering panel belongs to is xy plane, steering panel and chuck parallel arrangement, and through spring coupling, plays certain cushioning effect, and the spring is four in this embodiment, sets up respectively on four angles of chuck, and other embodiments can be any quantity. The vibration motor is positioned between the steering plate and the chuck and is fixed on the chuck. The chuck is used for fixing a part to be cleaned, a tool clamp is arranged on the chuck, and the part to be cleaned is fixed on the tool clamp through a clamping screw.

And a pneumatic rod is arranged between the middle part of the transmission rod and the steering wheel, the inclination angle of the pneumatic rod is not fixed, and the steering wheel can be driven to rotate in the XZ plane through the pneumatic rod so as to realize the rotation of the chuck in the XZ plane by nearly 360 degrees. The transmission rod is connected with the output shaft of the stepping motor through the coupler, the chuck can be driven to rotate 360 degrees in an xy plane, and therefore the chuck can rotate nearly 720 degrees in all directions through the driving of the transmission rod. When vibrating motor vibrates, drive the part through the transfer line and rotate, can realize the omnidirectional cleanness of part.

The collecting device is located under the vibrating device and mainly comprises a porous plate, a dust collector and a powder collecting barrel, the vacuum explosion-proof dust collector is adopted in the embodiment, the dust collecting port of the dust collector is modified, the porous plate can cover the dust collecting port after the modification, metal powder is prevented from being lifted, and the metal powder is not easy to collect. The powder collecting barrel is located the dust exhaust mouth department of dust catcher to set up the screen cloth in the dust exhaust mouth department of dust catcher, utilize vibrating motor's aftershock to go the sieve powder, sieve metal powder in the powder collecting barrel, can directly utilize at 3D printing finished piece in-process once more. This embodiment, can also be on the shell the gloves mouth, this gloves mouth corresponds with chuck position, and inside air gun, rubber gloves and the brush of having placed of shell also can take rubber gloves to utilize air gun and brush to clear powder manually when the clear powder of vibration. A glass window is arranged above the glove opening so as to see the powder cleaning process inside, an LED lamp tube can be arranged inside the shell, and the steering plate is of a topological structure so as to reduce the weight of the shell.

During operation, the base plate and the part are clamped through the chuck, redundant metal powder in the part is cleaned through vibration (vibration frequency is adjustable) of a vibration motor fixed on the chuck, the transmission rod is connected with an output shaft of the stepping motor through a shaft connector to realize 360-degree rotation of the connecting plate in an XY plane, the transmission rod and the connecting plate are provided with a pneumatic rod, the transmission rod is hinged with the connecting plate, when the pneumatic rod acts, the connecting plate is enabled to rotate nearly 360 degrees in an XZ plane, finally, the whole chuck rotates nearly 720 degrees, and all-dimensional cleaning of the metal powder can be realized through vibration of the vibration motor at every angle. The powder can also be cleaned manually by using an air gun and a hairbrush. Meanwhile, the collecting device at the bottom comprises a porous plate which is of a porous structure and is convenient for powder to flow out, and a dust collector head (processed) is connected with the porous plate below the porous plate, so that the powder in the dust collector cannot be lifted for a long time. Start the dust catcher, the metal powder that is come down by the clearance passes the perforated plate and gets into the dust catcher, recycles vibrating motor's aftershock and utilizes screen cloth sieve powder, and the back utilizes the powder collecting vessel to collect, and the metal powder of collection can directly use once more and print the finished piece in-process at 3D, has reduced the waste so promptly, has reduced the injury of the surplus powder of clearance to the human body again, great save time, the quality of the clear powder of improvement.

Claims

1. The utility model provides a clear powder equipment of 3D printing metal which characterized in that: comprises a closed shell, a framework (8) arranged in the closed shell, a vibration device and a collection device;

the vibration device comprises a stepping motor (9), a transmission rod (11), a steering plate (2), a vibration motor (3) and a chuck (14) for clamping a part to be cleaned;

the stepping motor (9) is fixed at the top end of the framework (8), an output shaft of the stepping motor is connected with one end of a transmission rod (11) through a coupler (10), and the other end of the transmission rod (11) is hinged with the steering plate (2); the chuck (14) is arranged in parallel with the steering plate (2) and is connected with the steering plate through a plurality of springs (13); the vibration motor (3) is positioned between the steering plate (2) and the chuck (14) and is fixed on the chuck (14); a pneumatic rod (1) is also arranged between the middle section of the transmission rod (11) and the steering plate (2);

the collecting device comprises a porous plate (6), a dust collector (15) and a powder collecting container (7); the porous plate (6) covers and is connected to a dust suction port of a dust collector (15) and is positioned right below the chuck (14); the powder collecting container (7) is connected with a discharge port of a dust collector (15).

2. The 3D printing metal dusting device of claim 1, characterized in that: a screen is also arranged between the discharge port of the dust collector (15) and the powder collecting container (7).

3. The 3D printing metal dusting device of claim 2, characterized in that: the number of the springs (13) is four, and the springs are distributed at four corners of the chuck (14).

4. The 3D printing metal dusting device of claim 3, characterized in that: and a tool clamp for additionally installing parts is arranged on the chuck (14).

5. The 3D printing metal dusting device of claim 3, characterized in that: the position of the shell corresponding to the chuck (14) is provided with a glove opening, and a glove, an air gun and a hairbrush are arranged inside the shell.

6. The 3D printing metal dusting device of claim 5, characterized in that: the dust collector (15) is a vacuum explosion-proof dust collector.

7. The 3D printing metal dusting device of claim 3, characterized in that: and an illuminating assembly is arranged in the shell and is an LED lamp tube.

8. The 3D printing metal dusting device of claim 7, wherein: the material of skeleton is square steel, and the material of shell is the steel sheet of 3mm thick.

9. The 3D printing metal dusting device of claim 8, wherein: and inert protective gas is filled in the shell.