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3D (Three-Dimensional) printer

A 3D printer and motor-driven technology, applied in the direction of mechanical equipment, gear transmission, belt/chain/gear, etc., can solve problems such as insufficient torque, improve printing accuracy, expand effective printing space, and improve mobile stability.

Inactive Publication Date: 2014-09-24
句容利威尔电器有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Purpose of the invention: In order to overcome the deficiencies in the prior art, the present invention provides a 3D printer to solve the problem of insufficient torque when using small-sized motors

Method used

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  • 3D (Three-Dimensional) printer

Examples

Experimental program
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Effect test

Embodiment

[0019] Embodiment: The 3D printer includes a nozzle assembly and a motor, and the wire feeding device on the nozzle assembly is driven by the motor through a planetary reduction gear. The assembly diagram of the planetary reduction gear is shown in figure 1 As shown, it includes a driving gear 1, three driven gears 2, a bracket 3, a bearing 4, and a bracket fixing seat 5, and the bearing 4 is a self-lubricating bearing. The driving gear 1 is driven by a motor.

[0020] The support 3 has three driven gear central shafts 6 evenly distributed in the circumferential direction on one side, and a drive shaft 7 is arranged axially outward on the other side. In this embodiment, the bracket 3 is in the shape of a steering wheel, but of course it can also be designed in a conventional shape that can rotate at a constant speed, such as a circle, a hexagon, or other polygons.

[0021] The bracket fixing seat 5 is provided with a cylindrical cavity, and a ring gear 8 is arranged along the...

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PUM

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Abstract

The invention discloses a 3D (Three-Dimensional) printer, which comprises a nozzle assembly, a motor and a planetary reduction gear, wherein the planetary reduction gear comprises a driving gear, a driven gear, a support, a bearing and a support fixing seat, and the driving gear is driven by the motor; driven gear central shafts are circumferentially and uniformly arranged on one surface of the support, and a transmission shaft is axially and outwardly arranged on the other surface; a cylindrical cavity with a gear ring on the side wall is arranged on the support fixing seat, and an output hole is formed in the bottom of the cavity; the driven gear is sleeved on a part of gear on the corresponding central shaft and is meshed with the driving gear positioned at the center, and the other part of gear is meshed with the gear ring; the transmission shaft is sleeved in the bearing and penetrates through the output hole to drive a feeding device on the nozzle assembly. According to the 3D printer provided by the invention, the small-size motor output is decelerated by the planetary reduction gear and the driving output torque is increased, so that the nozzle assembly of the 3D printer improves movement stability, improves printing precision, and expands the effective print space, and obtains sufficient torque and driving force.

Description

technical field [0001] The invention relates to a 3D printer, in particular to a driving device on the 3D printer. Background technique [0002] In existing 3D printers, the motor that drives the wire feeding gear of the nozzle assembly is large in size and heavy in weight. On the one hand, the stability of the nozzle assembly is poor during movement, and it is prone to tremors that affect printing accuracy. On the other hand, the large-sized motor occupies a large area. Space, crowding out the effective space of 3D printing. In order to improve this phenomenon, many new 3D printers began to try to use small-sized motors, but this brought another problem, that is, the torque of small-sized motors is insufficient to meet the driving requirements of the nozzle assembly. Contents of the invention [0003] Purpose of the invention: In order to overcome the deficiencies in the prior art, the present invention provides a 3D printer to solve the problem of insufficient torque wh...

Claims

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Application Information

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IPC IPC(8): F16H1/22B29C67/00
CPCF16H1/32B29C67/00F16H2001/327
Inventor 魏宏辉魏天浩魏妗羽
Owner 句容利威尔电器有限公司