CN210362495U - 3D printer - Google Patents

Abstract

The utility model discloses a 3D printer, it includes the machine box that carries out the pay-off to the wire rod, with the heating mechanism of wire rod melting and link up the heating mechanism and with the atomizer that the melt atomizing was spouted, be provided with a feeding chamber and the pan feeding mouth and the passage that communicate the feeding chamber on the machine box, be provided with the power tooth fixed on the machine box and the driven tooth that can follow the spout groove and move in the feeding chamber, set up the feed roll in the pivot of power tooth and driven tooth, the pivot on the driven tooth connects adjustment mechanism, adjustment mechanism includes that the cover is established at the epaxial bearing housing of pivot, the regulating block and the adjusting spring of being connected with the bearing housing; the utility model aims at providing a 3D printer aims at realizing simple structure, makes the wire rod penetrate fast, also can realize simultaneously to shower nozzle and heating mechanism quick assembly disassembly.

Description

3D printer

Technical Field

The utility model belongs to the technical field of 3D prints, especially, relate to a 3D printer.

Background

3D printing, one of the rapid prototyping technologies, is a technology for constructing an object by printing layer by layer on the basis of a digital model file using a bondable 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.

To the 3D printer that uses the wire rod, need fix the consumptive material drum on the printer, then pass wire feeding mechanism to wire rod 80, accomplish the fixed mounting of consumptive material drum, because wire rod 80 is softer, when passing wire feeding mechanism to wire rod 80, often can not pass into, need a 3D printer to this urgently to solve the problem among the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at above problem, provide a 3D printer, aim at realizing simple structure, make the wire rod penetrate fast, also can realize simultaneously to shower nozzle and heating mechanism quick assembly disassembly.

For the purpose of realizing above, the utility model discloses a technical scheme be, it includes the machine box that carries out the pay-off to the wire rod, with wire rod melting heating mechanism and link up heating mechanism and with melt atomizing spun atomizer, be provided with pan feeding mouth and passage in a pay-off chamber and the intercommunication pay-off chamber on the machine box, the pay-off intracavity is provided with the power tooth of fixing on the machine box and can follows the driven tooth that the sliding groove removed, set up the feed roll in the pivot of power tooth and driven tooth, adjustment mechanism is connected in the pivot on the driven tooth, adjustment mechanism establishes the regulating block and the adjusting spring that pivot bearing housing, be connected with the bearing housing including the cover.

Furthermore, the atomizer is a disc-shaped structure, the upper end of the atomizer is used for fixing the heating mechanism and is provided with a connecting part, and the atomizer is connected with an outer cover arranged at the lower end of the case through a connecting part in a threaded manner to enclose the heating mechanism.

Furthermore, the heating mechanism comprises a heating pipe seat, a spiral heating pipe wound outside the heating pipe seat and a controller, wherein a melting channel into which a wire rod extends is arranged in the middle of the heating pipe seat, and the cross section of the melting channel is of an inverted-splayed structure.

Furthermore, the atomizer also comprises a flow channel, a spraying cavity and a plurality of interfaces for blowing air to the flow channel, wherein the axes of the spraying cavity, the melting channel, the material guide pipe and the material inlet are on the same straight line.

Furthermore, the outer cover is provided with a mounting table, air guide pipes extending into the plurality of interfaces are arranged on the mounting table, springs are sleeved outside the air guide pipes, and the mounting table and the air guide pipes are arranged in a sealing mode through sealing pieces.

Furthermore, a spray pipe joint is arranged on the mounting table.

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

1. when threading the wire rod, stir the pivot through following the sliding opening groove and drive driven tooth and a feed roll and remove, pull open the distance between two feed rolls to the wire rod can pass smoothly, is favorable to improving the work efficiency of 3D printer.

2. The outer cover and the atomizer are connected through the connecting piece in a threaded mode, the heating mechanism is enclosed inside the outer cover and the atomizer, installation efficiency is improved, and maintenance of the heating mechanism is facilitated.

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 schematic perspective view of the adjusting mechanism.

Fig. 3 is a partially enlarged schematic view of a portion a in fig. 1.

Fig. 4 is a schematic structural view of the atomizer and the heating mechanism.

The text labels in the figures are represented as: 10. a case; 11. a power tooth; 12. a driven tooth; 13. a feed roller; 14. a rotating shaft; 15. a material guide pipe; 101. a feeding port; 102. a chute; 20. a housing; 21. an installation table; 22. an air duct; 23. a spring; 24. a seal member; 30. a nozzle adapter; 40. an atomizer; 41. a support table; 42. an interface; 43. a flow channel; 44. a spray chamber; 45. a connecting portion; 50. a heating mechanism; 51. a heating pipe base; 52. a spiral heating pipe; 53. a controller; 510. melting; 60. a connecting member; 70. an adjustment mechanism; 71. a bearing housing; 72. an adjusting spring; 73. an adjusting block; 80. and (3) wire rods.

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. 1-4, which illustrate the internal structure of the 3D printer of the present invention: the wire rod atomizing and feeding device comprises a machine box 10 for feeding a wire rod 80, a heating mechanism 50 for melting the wire rod 80, and an atomizer 40 which is connected with the heating mechanism 50 and atomizes and sprays melt, wherein a feeding cavity, a feeding port 101 and a material guide pipe 15 which are communicated with the feeding cavity are arranged on the machine box 10, a power tooth 11 fixed on the machine box 10 and a driven tooth 12 capable of moving along a sliding port groove 102 are arranged in the feeding cavity, a feeding roller 13 is arranged on a rotating shaft of the power tooth 11 and the driven tooth 12, a rotating shaft 14 on the driven tooth 12 is connected with an adjusting mechanism 70, and the adjusting mechanism 70 comprises a bearing sleeve 71 sleeved on the rotating shaft 14, an adjusting block 73 connected with the bearing sleeve 71 and an adjusting spring 72.

According to the technical scheme, the utility model provides a defect of prior art is overcome to quick-witted box, the pivot 14 is stirred on the sliding opening groove 102 of accessible externally, drive driven tooth 12 and feed roll 13 and remove, pull open the distance between two feed rolls 13, so that wire rod 80 can be smooth and easy pass, because bearing housing 71 establishes for rotating 14 for the cover, when pivot 14 removes, can promote the regulating block 73 and remove, with the compression of regulating spring 72, this bearing housing 71 is connected for the bearing, can not rotate the process at ordinary times to driven tooth 12 and cause the rotation to influence.

In a preferred embodiment of the present invention, the atomizer 40 is a disc-shaped structure, the upper end of the atomizer is used for fixing the heating mechanism 50, and the connecting portion 45 is provided, and the outer cover 20 disposed at the lower end of the casing 10 is connected with the connecting member 60 by screw threads, so as to enclose the heating mechanism 50.

Preferably, the heating mechanism 50 is composed of a heating pipe base 51, a spiral heating pipe 52 wound outside the heating pipe base 51, and a controller 53, wherein a melting channel 510 into which the wire 80 extends is arranged in the middle of the heating pipe base 51, and the section of the melting channel 510 is in an inverted-splayed structure.

Preferably, the atomizer 40 further comprises a flow channel 43, a spray chamber 44 and a plurality of ports 42 for blowing air into the flow channel 43, wherein the axes of the spray chamber 44, the melt channel 510, the guide tube 15 and the material inlet 101 are collinear.

Preferably, the outer cover 20 is provided with an installation platform 21, the installation platform 21 is provided with air ducts 22 extending into the plurality of interfaces 42, the air ducts 22 are externally sleeved with springs 23, the air ducts 22 are sealed by sealing pieces 24 between the installation platform 21 and the air ducts 22, and the number of the interfaces 42 is preferably 4.

Preferably, the mounting table 21 is provided with a nozzle adapter 30.

In the technical scheme of the above embodiment, the structures of the atomizer 40 and the heating mechanism 50 are improved, so that the box body 10 can be quickly fixed on the atomizer 40 through the connecting piece 60, and can be quickly disassembled and assembled at the same time, once the internal blockage or the damage of the heating mechanism 50 is caused, the heating mechanism 50 can be disassembled, the heating mechanism 50 is exposed and replaced or maintained, meanwhile, the purpose of cleaning the melting channel 510 can be achieved, and the pollution caused when the wires 80 of different materials or different colors are selected and used is avoided.

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 (6)

1. A3D printer comprises a case (10) for feeding a wire (80), a heating mechanism (50) for melting the wire (80), and an atomizer (40) connected with the heating mechanism (50) and used for atomizing and ejecting the melt, it is characterized in that a feeding cavity, a feeding port (101) communicated with the feeding cavity and a material guide pipe (15) are arranged on the machine box (10), the feeding cavity is internally provided with a power tooth (11) fixed on the case (10) and a driven tooth (12) capable of moving along the sliding opening groove (102), a feeding roller (13) is arranged on the rotating shaft of the power tooth (11) and the driven tooth (12), the rotating shaft (14) on the driven tooth (12) is connected with an adjusting mechanism (70), the adjusting mechanism (70) comprises a bearing sleeve (71) sleeved on the rotating shaft (14), an adjusting block (73) connected with the bearing sleeve (71) and an adjusting spring (72).

2. 3D printer according to claim 1, characterized in that the atomizer (40) is a disk-like structure, the upper end of which is used for fixing the heating mechanism (50) and is provided with a connecting part (45) which is in threaded connection with a housing (20) arranged at the lower end of the case (10) through a connecting part (60) to enclose the heating mechanism (50).

3. The 3D printer according to claim 2, wherein the heating mechanism (50) comprises a heating pipe seat (51), a spiral heating pipe (52) wound outside the heating pipe seat (51), and a controller (53), wherein a melting channel (510) into which the wire (80) extends is arranged in the middle of the heating pipe seat (51), and the section of the melting channel (510) is of an inverted splayed structure.

4. The 3D printer according to claim 3, characterized in that the atomizer (40) further comprises a flow channel (43), a spray chamber (44) and a plurality of ports (42) for blowing air into the flow channel (43), wherein the axes of the spray chamber (44), the melt channel (510), the material guide tube (15) and the material inlet (101) are on the same straight line.

5. The 3D printer according to claim 4, characterized in that the housing (20) is provided with a mounting table (21), the mounting table (21) is provided with air ducts (22) extending into the plurality of ports (42), the air ducts (22) are externally sleeved with springs (23), and the mounting table (21) and the air ducts (22) are sealed by sealing members (24).

6. A3D printer according to claim 5, characterised in that the mounting table (21) is provided with a nozzle stub (30).

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