CN210362496U

CN210362496U - 3D printing device with prevent stifled function

Info

Publication number: CN210362496U
Application number: CN201921402308.3U
Authority: CN
Inventors: 赵振鹏
Original assignee: Shenzhen Tianyi Hengda Rapid Prototyping Technology Co Ltd
Current assignee: Shenzhen Tianyi Hengda Rapid Prototyping Technology Co Ltd
Priority date: 2019-08-27
Filing date: 2019-08-27
Publication date: 2020-04-21
Anticipated expiration: 2029-08-27

Abstract

The utility model discloses a 3D printing device with prevent stifled function, it includes organism, feeding mechanism, heating mechanism and crowded material mechanism, be provided with heat dissipation mechanism in the organism, heat dissipation mechanism has the barrel that link up the cavity for the middle part, wherein: a Teflon tube is arranged in the barrel, a throat tube is arranged in the extruding mechanism, an upper pipe orifice of the Teflon tube is connected with the feeding mechanism, and a lower pipe orifice of the Teflon tube is connected with the throat tube; a cooling fan is arranged outside the cylinder body, and an air inlet and heat dissipation holes for dissipating heat are formed in the machine body; the utility model aims at providing a 3D printing device with prevent stifled function aims at guaranteeing that the pay-off is smooth and easy, prevents that the putty phenomenon from appearing.

Description

3D printing device with prevent stifled function

Technical Field

The utility model belongs to the technical field of 3D prints, especially, relate to a 3D printing device with prevent stifled function.

Background

3D printing, one of the rapid prototyping technologies, is a technology for constructing an object by printing layer by layer based on a digital model file and using a fusible material such as a fusible metal (alloy), a powdered metal (alloy), or plastic. The biggest characteristic of the technology is that the technology can produce articles with almost any shape, and the technology is currently the leading research field in the world and the China.

3D printer that appears in the existing market, when buying the back and just beginning to print, the ejection of compact is smooth and easy, but later can have the phenomenon of not ejection of compact, the reason that causes this phenomenon is not feeding mechanism's problem, but the radiating effect is not good, because material heating melts, the temperature in extrusion head department reaches more than 180 ℃ basically, and feeding mechanism is not can infinitely prolong to the distance between the extrusion head, when leading to temperature transmission to feeding mechanism, the material becomes soft under high temperature and makes unable completion pay-off, finally cause the appearance of putty problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at above problem, provide a 3D printing device with prevent stifled function, it is smooth and easy to aim at guaranteeing the pay-off, prevents that the putty phenomenon from appearing.

For the purpose of realizing above, the utility model discloses a technical scheme be, it includes organism, feeding mechanism, heating mechanism and crowded material mechanism, be provided with heat dissipation mechanism in the organism, heat dissipation mechanism has the barrel that link up the cavity for the middle part, wherein:

a Teflon tube is arranged in the barrel, a throat tube is arranged in the extruding mechanism, an upper pipe orifice of the Teflon tube is connected with the feeding mechanism, and a lower pipe orifice of the Teflon tube is connected with the throat tube;

the cylinder body is externally provided with a cooling fan, and the machine body is provided with an air inlet and a heat dissipation hole for dissipating heat.

Furthermore, a plurality of radiating fins are arranged on the outer wall of the cylinder body of the radiating mechanism.

Furthermore, the machine body is also provided with an air suction opening opposite to the air inlet, a nozzle cooling fan is installed on the side wall of the air suction opening, a flow guide fan cover is arranged at the lower end of the nozzle cooling fan, and the air outlet of the flow guide fan cover faces the material extruding mechanism.

Furthermore, the device also comprises a movable mandrel for installing the wire consumption coil.

Further, a sliding seat is arranged on the machine body, and a sliding opening sleeved with the guide rod is formed in the sliding seat.

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

1. the Teflon tube is adopted in the cylinder, so that the inner wall can be effectively prevented from being bonded, the high-temperature resistance is realized, and the cooling fan is arranged outside the cylinder to dissipate heat at the upper part, so that the wire is prevented from being softened;

2. the radiating effect is increased by additionally arranging the radiating fins;

3. a nozzle cooling fan is arranged at the side end, the heat inside the cooling fan is absorbed into the diversion fan cover and is sprayed out from the direction facing the extruding mechanism, the molten and sprayed wires are condensed, and the condensation effect is improved.

Other advantages of the present invention will be further explained in the detailed description of the invention.

Drawings

Fig. 1 is a schematic view of the internal structure of the device of the present invention.

Fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.

The text labels in the figures are represented as: 10. a body; 11. a movable mandrel; 12. a cooling fan; 13. a nozzle heat radiation fan; 20. a heat dissipation mechanism; 21. a heat dissipating fin; 30. a Teflon tube; 40. a slide base; 41. a feeding mechanism; 42. a sliding port; 50. a wire consuming coil; 51. a wire rod; 60. a material extruding mechanism; 61. a throat; 70. a heating mechanism; 80. a diversion fan cover; 101. an air inlet; 102. an air suction opening; 103. and (4) heat dissipation holes.

Detailed Description

In order to make the technical solution of the present invention better understood, the present invention is described in detail below with reference to the accompanying drawings, and the description of the present invention is only exemplary and explanatory, and should not be construed as limiting the scope of the present invention.

Please refer to fig. 1, which shows the overall structure of the present invention: it comprises a machine body 10, a feeding mechanism 41, a heating mechanism 70 and an extruding mechanism 60; specifically, be provided with heat dissipation mechanism 20 in the organism 10, heat dissipation mechanism 20 is the barrel that the middle part has the cavity that link up, wherein:

as shown in fig. 2, a teflon tube 30 is arranged in the barrel, a throat 61 is arranged in the extruding mechanism 60, an upper pipe orifice of the teflon tube 30 is connected with the feeding mechanism 41, and a lower pipe orifice of the teflon tube 30 is connected with the throat 61, so that the wire 51 enters the teflon tube 30 from the feeding mechanism 41, then enters the throat 61, melts the wire 51 in the throat 61 and the extruding mechanism 60 under the action of the heating mechanism 70, and finally is ejected under the action of the extruding mechanism 60; the Teflon tube 30 is provided to prevent the inner wall from being bonded and then used in a high temperature state, and the throat tube is provided to increase the flow rate of the liquid and atomize the liquid into fine particles;

certainly, in order to prevent the upper end wire 51 from becoming soft, the cooling fan 12 may be disposed outside the barrel, the housing 10 is provided with the air inlet 101 and the heat dissipation holes 103 for dissipating heat, external air flow is sucked by the cooling fan 12, heat conducted on the plurality of heat dissipation fins 21 disposed on the outer wall of the barrel is absorbed by the air flow and flows out of the heat dissipation holes 103, and the temperature at the position of the feeding mechanism 41 can be greatly reduced, so that the wire 51 can pass through smoothly, and material blockage is avoided.

The utility model discloses a further embodiment, still be equipped with the inlet scoop 102 that sets up relatively with air intake 101 on the organism 10, at the side wall mounting shower nozzle radiator fan 13 of inlet scoop 102, set up water conservancy diversion fan housing 80 at shower nozzle radiator fan 13's lower extreme, water conservancy diversion fan housing 80's air outlet orientation crowded material mechanism 60.

The technical scheme of this embodiment can further reduce the temperature of feeding mechanism 41 on the one hand, can carry out the formation of accelerated condensation to the wire rod 51 after spouting the melting on the other hand, improves condensation efficiency.

Preferably, it further comprises a movable mandrel 11 for mounting the wire consumption reel 50, facilitating the placement of the wire consumption reel 50.

Preferably, a sliding seat 40 is disposed on the machine body 10, a sliding opening 42 for sleeving a guide rod is disposed on the sliding seat 40, and the 3D printing apparatus can be displaced on the guide rod due to the arrangement of the sliding seat 40.

It should be noted that, in this document, 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.

The principles and embodiments of the present invention have been explained herein using specific examples, which are presented only to assist in understanding the methods and their core concepts. The foregoing is only a preferred embodiment of the present invention, and it should be noted that there are objectively infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes can be made without departing from the principle of the present invention, and the above technical features can be combined in a proper manner; the application of these modifications, variations or combinations, or the application of the concepts and solutions of the present invention in other contexts without modification, is not intended to be considered as a limitation of the present invention.

Claims

1. The utility model provides a 3D printing device with prevent stifled function, it includes organism (10), feeding mechanism (41), heating mechanism (70) and crowded material mechanism (60), its characterized in that, be provided with heat dissipation mechanism (20) in organism (10), heat dissipation mechanism (20) have the barrel that link up the cavity for the middle part, wherein:

a Teflon tube (30) is arranged in the barrel, a throat tube (61) is arranged in the extruding mechanism (60), an upper pipe orifice of the Teflon tube (30) is connected with the feeding mechanism (41), and a lower pipe orifice of the Teflon tube is connected with the throat tube (61);

a cooling fan (12) is arranged outside the cylinder body, and an air inlet (101) and a heat dissipation hole (103) for dissipating heat are arranged on the machine body (10).

2. 3D printing device with anti-blocking function according to claim 1, wherein the outer wall of the cylinder of the heat dissipation mechanism (20) is provided with a plurality of heat dissipation fins (21).

3. The 3D printing device with the anti-blocking function according to claim 1 or 2, wherein the body (10) is further provided with an air suction opening (102) opposite to the air inlet (101), a nozzle cooling fan (13) is installed on a side wall of the air suction opening (102), a diversion fan housing (80) is arranged at a lower end of the nozzle cooling fan (13), and an air outlet of the diversion fan housing (80) faces the material extruding mechanism (60).

4. 3D printing device with anti-blocking function according to claim 1, characterized in that it further comprises a movable mandrel (11) on which the wire-consuming disc (50) is mounted.

5. The 3D printing device with the anti-blocking function according to claim 1, wherein a sliding seat (40) is arranged on the machine body (10), and a sliding opening (42) for sleeving the guide rod is formed in the sliding seat (40).