CN210139059U

CN210139059U - Powder return pipeline device of metal 3D printing equipment

Info

Publication number: CN210139059U
Application number: CN201920840915.1U
Authority: CN
Inventors: 吕忠利
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-06-05
Filing date: 2019-06-05
Publication date: 2020-03-13
Anticipated expiration: 2029-06-05

Abstract

The utility model discloses a metal 3D printing equipment powder return pipeline device, which comprises a powder guide pipe, a connector, a fastening nut, a connecting screw cylinder, a spacing ring and a plug, wherein the two ends of the powder guide pipe are fixedly connected with the connector, the end part of the connector is integrally fixed with the plug, the outer side of the connector is fixed with two spacing rings, the outer side of the connector is positioned between the spacing rings and sleeved with the connecting screw cylinder, the outer wall of the connector is positioned between the spacing rings and provided with external threads, the outer wall of the connector is sleeved with the fastening nut through the external thread meshing, the metal 3D printing equipment powder return pipeline device is sealed through the joint of the plug and a matching pipeline, the matching connection screw cylinder is fastened, the pipeline installation is stable and convenient, the connecting part can not retain metal powder, the blockage is avoided, simultaneously, the pipeline tensile property and the toughness are better, and the connection strength is large, the service life is long.

Description

Powder return pipeline device of metal 3D printing equipment

Technical Field

The utility model relates to a metal 3D printing apparatus technical field specifically is a metal 3D printing apparatus return powder pipe device.

Background

3D printing (3DP), one of the rapid prototyping technologies, is a technology that constructs an object by printing layer by layer using an adhesive material such as powdered metal or plastic based on a digital model file.

Metal 3D prints more and more flourishing, for all brought huge help in the aspect of industry, medicine etc, metal 3D printer casting mould is accomplished the back, need retrieve metal powder, but no matter threaded connection or joint of present metal powder recovery pipeline all can be detained certain powder, leads to the powder to block up easily, and the joint strength of pipeline remains to improve moreover, for this reason, we provide a metal 3D printing apparatus return powder pipe device.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a metal 3D printing apparatus returns whitewashed pipe device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a metal 3D printing apparatus returns powder pipe means, is including leading powder pipe, connector, fastening nut, connection barrel, spacing collar and bayonet joint, lead the equal fixedly connected with connector in powder pipe both ends, and connector end portion an organic whole is fixed with the bayonet joint, the connector outside is fixed with two spacing collars, the connector outside is located the cover and is equipped with the connection barrel between the spacing collar, and the connector outer wall is located and has seted up the external screw thread between the spacing collar, the connector outer wall has cup jointed fastening nut through external thread meshing.

Preferably, the plug is in a round table shape, and the top end of the plug is in a flat shape.

Preferably, the powder guide pipe is made of PVC, and a steel wire spiral ring is embedded in the powder guide pipe.

Preferably, the connector, the fastening nut and the plug connector are all made of stainless steel.

Preferably, the corners of the fastening nut and the connecting screw cylinder are provided with chamfers.

Compared with the prior art, the beneficial effects of the utility model are that: when the device is connected for use, insert the bayonet joint at complex pipeline inner wall, form sealing connection face, twist again and move and connect a screw section of thick bamboo and be connected with the meshing of cooperation pipeline, it is stable to make the bayonet joint, twist and move fastening nut and extrude connecting a screw section of thick bamboo, it is lax because of the rotatory vibration to avoid connecting a screw section of thick bamboo, the metal powder is in leading-in powder guide tube of bayonet joint and connector, retrieve by powder guide tube conduction again, this metal 3D printing apparatus returns powder pipe means and passes through the laminating of bayonet joint and cooperation pipeline sealed, the fastening of screw section of thick bamboo is connected in the cooperation, not only make pipeline installation stable, convenient, and make the connection position can not be detained the metal powder, avoid blockking up, pipeline pull resistance simultaneously, toughness is better, joint strength is big.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of the pipe connection structure of the present invention.

In the figure: 1. a powder guide pipe; 2. a connector; 3. fastening a nut; 4. connecting the screw cylinder; 5. a limiting ring; 6. a plug-in connector; 7. and (4) forming a steel wire spiral ring.

Detailed Description

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.

Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a metal 3D printing apparatus returns powder pipe means, is including leading powder pipe 1, connector 2, fastening nut 3, connecting screw cylinder 4, spacing collar 5 and bayonet joint 6, lead 1 equal fixedly connected with connector 2 in both ends of powder pipe, and 2 integrative being fixed with bayonet joint 6 in the tip of connector, 2 outsides of connector are fixed with two

spacing collars

5, 2 outsides of connector are located the cover and are equipped with connecting screw cylinder 4 between

spacing collar

5, and 2 outer walls of connector are located and have seted up the external screw thread between the

spacing collar

5, 2 outer walls of connector have cup jointed fastening nut 3 through external thread engagement.

The plug 6 is in a round table shape, and the top end of the plug 6 is in a flush shape, so that the plug 6 can be tightly attached to a matched pipeline, and powder blockage is avoided.

The powder guide pipe 1 is made of PVC, and a steel wire spiral ring 7 is embedded in the powder guide pipe 1, so that the powder guide pipe has good toughness and tensile strength, and is not easy to flatten and deform.

The connector 2, the fastening screw cap 3 and the plug 6 are all made of stainless steel, have good corrosion resistance and smooth surfaces, and can reduce the retention of metal powder.

The chamfer has all been seted up to the corner of fastening nut 3 and connection screw cylinder 4, avoids fastening nut 3 and connection screw cylinder 4 end angle sharp, causes the scratch to hand or other equipment during the operation, scrapes the flower.

The working principle is as follows: when the device is connected for use, the plug 6 is inserted into the inner wall of a matched pipeline to form a sealing connection surface, the connecting screw cylinder 4 is screwed to be connected with the matched pipeline in a meshing manner, the plug 6 is clamped stably, the fastening screw cap 3 is screwed to extrude the connecting screw cylinder 4, the connecting screw cylinder 4 is prevented from loosening due to vibration rotation, and metal powder is guided into the powder guide pipe 1 by the plug 6 and the connector 2 and then is conducted and recovered by the powder guide pipe 1.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 metal 3D printing apparatus returns powder pipe device, includes leads powder pipe (1), connector (2), fastening nut (3), connects barrel (4), spacing collar (5) and bayonet joint (6), its characterized in that: lead equal fixedly connected with connector (2) in powder pipe (1) both ends, and connector (2) tip an organic whole is fixed with bayonet joint (6), connector (2) outside is fixed with two spacing collars (5), the cover is equipped with between spacing collar (5) in the connector (2) outside is located and connects barrel (4), and connector (2) outer wall is located and has seted up the external screw thread between spacing collar (5), fastening nut (3) have been cup jointed through external thread meshing to connector (2) outer wall.

2. The metal 3D printing equipment powder return pipeline device according to claim 1, characterized in that: the plug-in connector (6) is in a round table shape, and the top end of the plug-in connector (6) is in a flat shape.

3. The metal 3D printing equipment powder return pipeline device according to claim 1, characterized in that: the powder guide pipe (1) is made of PVC, and a steel wire spiral ring (7) is embedded in the powder guide pipe (1).

4. The metal 3D printing equipment powder return pipeline device according to claim 1, characterized in that: the connector (2), the fastening screw cap (3) and the plug connector (6) are all made of stainless steel.

5. The metal 3D printing equipment powder return pipeline device according to claim 1, characterized in that: the corners of the fastening screw cap (3) and the connecting screw cylinder (4) are provided with chamfers.