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3D printer spray head with adjustable nozzle caliber

A 3D printer and nozzle technology, applied in coating devices, additive processing, etc., can solve the problem of printing speed and display of model details, but can only compromise with each other and cannot be mutually satisfied, and fixed-caliber nozzles cannot be adjusted adaptively and other problems to achieve the effect of reducing heat load, reducing volume, and increasing printing speed

Active Publication Date: 2018-07-06
HEBEI UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Existing 3D printers all use fixed-caliber nozzles to print the target model, but the shape and size of each area of ​​the target model are different, and the fixed-caliber nozzles cannot make adaptive adjustments according to changes in the printing area, making existing 3D printers The printing speed and the display of model details can only compromise with each other and cannot achieve mutual satisfaction

Method used

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  • 3D printer spray head with adjustable nozzle caliber
  • 3D printer spray head with adjustable nozzle caliber
  • 3D printer spray head with adjustable nozzle caliber

Examples

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Embodiment Construction

[0027] Specific examples of the present invention are given below. The specific embodiments are only used to further describe the present invention in detail, and do not limit the protection scope of the claims of the present application.

[0028] The invention provides a 3D printer nozzle with adjustable nozzle diameter (see Figure 1-10 , referred to as nozzle), including machine base 1, shell 2, thrust bearing 6, pressure gasket 7, head 8, servo steering gear 10, control connecting rod 11, steering gear rocker arm 12, cooling fan 15 and electric heating tube 22 ; The base 1 is used to install the nozzle on the main engine; the shell 2, the servo steering gear 10 and the cooling fan 15 are fixed on the base 1; the shell 2 is a tubular part with a ventilation hole in the middle; the shell 2. The connection position with the base 1 is located on the side away from the nozzle assembly; the steering gear rocker arm 12 is installed on the rotating shaft of the servo steering gea...

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Abstract

The invention discloses a 3D printer spray head with an adjustable nozzle caliber. The 3D printer spray head comprises a rotor and a nozzle assembly; the rotor comprises a heat storage block, a material storage pipe, a throat pipe, a heat insulation gasket, screws and nuts; the nozzle assembly comprises a first gasket, nozzle surrounding sheets, a second gasket, a guide plate and a control plate.The nozzle surrounding sheets are matched with one another to form a polygonal nozzle flow channel, and a guide groove for guiding the movement of the nozzle surrounding sheets is arranged on the guide plate to guide the movement direction of the nozzle surrounding sheets. The control panel is matched with the guide plate, and the relative rotation between the control panel and the guide plate canchange the size of the side length of the polygon enclosed by the nozzle surrounding sheets, thus realizing an adjustable size of the printing nozzle circulation area. The heat storage block is connected with the material storage pipe through screws and nuts, so that the heat transfer resistance between the heat storage block and the material storage pipe can be effectively improved.

Description

technical field [0001] The invention relates to a 3D printer, in particular to a 3D printer nozzle with adjustable nozzle diameter. Background technique [0002] A 3D printer is a cumulative manufacturing technology, that is, a machine of rapid prototyping technology. It is a machine that uses special wax, powdered metal or plastic materials to manufacture three-dimensional objects based on digital model files. [0003] Among them, the printer using the principle of fused deposition (FMD) and fused filament manufacturing (FFF) is to introduce the molten material in the molten material cavity into the specific position of the model through the nozzle under the action of the pressure in the molten material cavity and cool it naturally or forcedly. It solidifies into a solid state, and the diameter of the nozzle determines the minimum cross-sectional area of ​​the model and the maximum layer thickness that the printer can print. A nozzle with a smaller diameter can print a sma...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C64/209B29C64/20B22F3/115B33Y30/00
CPCB22F3/115B33Y30/00Y02P10/25
Inventor 路佳畅葛明慧
Owner HEBEI UNIV OF TECH
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