CN219443440U

CN219443440U - Powder feeding mechanism for metal additive manufacturing

Info

Publication number: CN219443440U
Application number: CN202320282116.3U
Authority: CN
Inventors: 张丹丹; 王鹏; 时少雷; 张丹
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-02-21
Filing date: 2023-02-21
Publication date: 2023-08-01
Anticipated expiration: 2033-02-21

Abstract

The utility model discloses a powder feeding mechanism for metal additive manufacturing, which relates to the technical field of metal additive feeding and comprises a storage barrel, wherein a top cover is fixedly arranged at the top of the storage barrel, inclined pipes are symmetrically and fixedly connected to the bottom of the storage barrel, an insertion pipe is movably inserted into one end of each inclined pipe far away from the storage barrel, the insertion pipe is fixedly connected to one end of a butt joint pipe, the butt joint pipe is fixedly connected to the top of the side face of a powder feeding spray pipe, an extension block is horizontally and fixedly connected to the top of the butt joint pipe, and a quick fixing assembly for quickly fixing the powder feeding spray pipe is arranged at the top of one end of each inclined pipe far away from the storage barrel. According to the utility model, the quick fixing component is arranged between the powder feeding spray pipe and the inclined pipe integrally arranged with the stock barrel, and the quick fixing component can realize quick fixing or separating between the powder feeding spray pipe and the inclined pipe, so that the maintenance, the replacement and the cleaning of the powder feeding spray pipe are greatly facilitated.

Description

Powder feeding mechanism for metal additive manufacturing

Technical Field

The utility model relates to the technical field of metal material increase and feeding, in particular to a powder feeding mechanism for metal material increase manufacturing.

Background

The additive manufacturing is also called 3D printing, a plurality of mechanical devices are controlled by software and a numerical control system to stack special metal materials, nonmetal materials and medical biological materials layer by layer in the modes of extrusion, sintering, melting, photo-curing, spraying and the like, and a powder feeding mechanism is used as one of necessary components in the additive manufacturing process.

At present, when powder is conveyed by a powder conveying spray pipe used in additive manufacturing, more powder is easy to remain in the pipeline, the pipeline is easy to block due to the fact that the powder conveying spray pipe and a material storage barrel are arranged in an integrated mode for a long time, and therefore cleaning work of the powder conveying spray pipe is time-consuming and labor-consuming, and cleaning effect is limited.

Disclosure of Invention

The utility model aims to solve the problems that a powder feeding spray pipe used in additive manufacturing in the prior art is easy to remain more powder in a pipeline when powder is conveyed, the pipeline is easy to be blocked after a long time, and the powder feeding spray pipe and a material storage cylinder are arranged integrally, so that the cleaning work of the powder feeding spray pipe is time-consuming and labor-consuming, and the cleaning effect is limited.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a metal vibration material disk is with sending powder mechanism, includes a stock feed cylinder, stock feed cylinder top fixed mounting has the top cap, stock feed cylinder bottom symmetry fixedly connected with hang tube, hang tube keeps away from stock feed cylinder one end activity and inserts the pipe, insert pipe fixed connection is in butt joint pipe one end, butt joint pipe fixed connection is at sending powder spray tube side top, butt joint pipe top level fixedly connected with extension piece, hang tube keeps away from stock feed cylinder one end top and is provided with the quick solid subassembly that will send powder spray tube quick fixation.

Optionally, the bottom of the storage cylinder is conical, and the top of the top cover is sequentially provided with an air guide hole and a feed inlet.

Optionally, the powder feeding spray pipe is screwed with a shift screw rod, a kicking column is fixedly connected with the bottom end of the shift screw rod, and the inner diameter of the kicking column is the same as the diameter of the powder feeding spray pipe.

Optionally, the quick-fixing assembly comprises a bending plate, a mounting block, a lifting rod and a connecting spring, wherein the bottom of the mounting block is fixedly connected to the top of the inclined tube, and a rectangular groove is formed in the side face of the mounting block.

Optionally, the setting of buckling plate one end along rectangle inslot wall slip, buckling plate top and lifting rod one end fixed connection, lifting rod outer wall and connecting spring one end fixed connection, connecting spring other end fixed connection is at rectangle inslot top.

Optionally, the spacing post of extension piece side fixedly connected with, the butt joint hole has been seted up to installation piece side bottom, the butt joint hole diameter is the same with spacing post diameter.

Compared with the prior art, the utility model has the following advantages:

1. according to the utility model, the quick fixing component is arranged between the powder feeding spray pipe and the inclined pipe integrally arranged with the stock barrel, and the quick fixing component can realize quick fixing or separating between the powder feeding spray pipe and the inclined pipe, so that the maintenance, the replacement and the cleaning of the powder feeding spray pipe are greatly facilitated.

2. According to the utility model, the cleaning piece integrally arranged with the shifting screw and the kicking column is arranged on the powder feeding spray pipe, and when the interior of the powder feeding spray pipe is blocked, an operator can operate the cleaning piece to quickly clean the powder feeding spray pipe, so that the normal operation of the powder feeding spray pipe is not delayed, and the cleaning effect of the powder feeding spray pipe is ideal.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is a schematic diagram of the distribution structure of the powder feeding nozzle and its mounting parts.

Fig. 3 is a schematic view of a part of the cleaning member.

Fig. 4 is a schematic view of a partial structure at a in fig. 2.

In the figure: 1. powder feeding spray pipe; 2. a displacement screw; 21. kicking a material column; 3. a stock barrel; 31. an inclined tube; 32. a top cover; 4. a butt joint pipe; 41. an extension block; 410. a limit column; 5. an air guide hole; 6. a feed inlet; 7. an insertion tube; 8. a bending plate; 9. a mounting block; 91. a butt joint hole; 92. rectangular grooves; 10. a lifting rod; 11. and a connecting spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Referring to fig. 1-4, the powder feeding mechanism for metal additive manufacturing comprises a storage cylinder 3, a top cover 32 is fixedly arranged at the top of the storage cylinder 3, an air guide hole 5 and a feed inlet 6 are sequentially formed in the top of the top cover 32, raw material powder is led into the storage cylinder 3 through the feed inlet 6, a switch valve is arranged on the side face of the feed inlet 6, (the switch valve is drawn but not numbered in the drawing) and used for opening and closing the feed inlet 6, the air guide hole 5 is connected with an external air source, and when the external air source guides air into the storage cylinder 3, the raw material powder in the storage cylinder 3 is discharged.

The bottom of the storage barrel 3 is symmetrically and fixedly connected with an inclined tube 31, the bottom of the storage barrel 3 is conical, raw powder is conveniently led into the inclined tube 31 by the storage barrel 3, an insertion tube 7 is movably inserted into one end, far away from the storage barrel 3, of the inclined tube 31, the insertion tube 7 is fixedly connected with one end of a butt joint tube 4, the butt joint tube 4 is fixedly connected with the top of the side face of the powder feeding spray tube 1, and the outer diameter of the insertion tube 7 is identical with the inner diameter of the inclined tube 31.

The powder feeding spray pipe 1 is screwed with a shifting screw rod 2, the bottom end of the shifting screw rod 2 is fixedly connected with a kicking column 21, the inner diameter of the kicking column 21 is the same as the diameter of the powder feeding spray pipe 1, and the shifting screw rod 2 can be rotated to drive the kicking column 21 to move along the inner wall of the powder feeding spray pipe 1, so that the raw material powder which is remained and blocked in the inner cavity of the powder feeding spray pipe 1 is kicked out.

The top of the butt joint pipe 4 is horizontally and fixedly connected with an extension block 41, and one end of the inclined pipe 31, which is far away from the storage barrel 3, is provided with a quick fixing component for quickly fixing the powder feeding spray pipe 1, wherein the quick fixing component comprises a bending plate 8, a mounting block 9, a lifting pull rod 10 and a connecting spring 11.

The bottom of the installation block 9 is fixedly connected to the top of the inclined tube 31, a rectangular groove 92 is formed in the side face of the installation block 9, one end of the bent plate 8 is slidably arranged along the inner wall of the rectangular groove 92, the top of the bent plate 8 is fixedly connected with one end of the lifting rod 10, the outer wall of the lifting rod 10 is fixedly connected with one end of the connecting spring 11, the other end of the connecting spring 11 is fixedly connected to the top of the rectangular groove 92, and the connecting spring 11 is in an original length state when the lifting rod 10 is not subjected to external force.

The side of the extension block 41 is fixedly connected with a limit column 410, the bottom of the side of the installation block 9 is provided with a butt joint hole 91, the diameter of the butt joint hole 91 is the same as that of the limit column 410, and the butt joint hole 91 and the limit column 410 are matched to enable the extension block 41 to enter a correct butt joint position correctly.

The installation process between the powder feeding spray pipe 1 and the inclined pipe 31 in the utility model is as follows:

the lifting rod 10 is pulled up manually, the lifting rod 10 drives the bending plate 8 to move from the bottom to the top of one side surface of the mounting block 9, an operator plugs the limiting column 410 into the butt joint hole 91, at the moment, the lifting rod 10 is loosened, the connecting spring 11 resets to drive the bending plate 8 to restore to the initial position, and at the moment, the extending block 41 stretches into the side surface of the bending plate 8, so that the powder feeding spray pipe 1 and the inclined pipe 31 are quickly fixed.

Correspondingly, the powder feeding spray pipe 1 and the inclined pipe 31 can be separated by lifting the lifting rod 10.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. Powder feeding mechanism is used in metal vibration material disk, including stock feed cylinder (3), its characterized in that, stock feed cylinder (3) top fixed mounting has top cap (32), stock feed cylinder (3) bottom symmetry fixedly connected with hang pipe (31), hang pipe (31) keep away from stock feed cylinder (3) one end activity and insert have insert pipe (7), insert pipe (7) fixed connection is in butt joint pipe (4) one end, butt joint pipe (4) fixed connection is at powder feeding spray tube (1) side top, butt joint pipe (4) top level fixedly connected with extension piece (41), hang pipe (31) are kept away from stock feed cylinder (3) one end top and are provided with the quick solid subassembly that will send powder spray tube (1) quick fixation.

2. The powder feeding mechanism for metal additive manufacturing according to claim 1, wherein the bottom of the stock barrel (3) is conical, and the top of the top cover (32) is sequentially provided with an air guide hole (5) and a feed inlet (6).

3. The powder feeding mechanism for metal additive manufacturing according to claim 1, wherein a shifting screw (2) is screwed in the powder feeding spray pipe (1), a kicking column (21) is fixedly connected to the bottom end of the shifting screw (2), and the inner diameter of the kicking column (21) is the same as the diameter of the powder feeding spray pipe (1).

4. The powder feeding mechanism for metal additive manufacturing according to claim 1, wherein the quick fixing component comprises a bending plate (8), a mounting block (9), a lifting rod (10) and a connecting spring (11), the bottom of the mounting block (9) is fixedly connected to the top of the inclined tube (31), and a rectangular groove (92) is formed in the side face of the mounting block (9).

5. The powder feeding mechanism for metal additive manufacturing according to claim 4, wherein one end of the bending plate (8) is slidably arranged along the inner wall of the rectangular groove (92), the top of the bending plate (8) is fixedly connected with one end of the lifting rod (10), the outer wall of the lifting rod (10) is fixedly connected with one end of the connecting spring (11), and the other end of the connecting spring (11) is fixedly connected with the top of the rectangular groove (92).

6. The powder feeding mechanism for metal additive manufacturing according to claim 4, wherein the side surface of the extension block (41) is fixedly connected with a limiting column (410), a butt joint hole (91) is formed in the bottom of the side surface of the installation block (9), and the diameter of the butt joint hole (91) is the same as that of the limiting column (410).