Descending type ceramic 3d printer

Patent metadata

Field	Value
Publication number	US-2019375129-A1
Application number	US-201916285144-A
Country	US
Kind code	A1
Filing date	Feb 25, 2019
Priority date	Jun 12, 2018
Publication date	Dec 12, 2019
Grant date	—

Abstract

The present invention relates to a descending type ceramic 3D printer comprising a rack, the middle part of the rack is provided with a charging block sealed with the four sides thereof, the lower part of the charging block is connected with a lifting device for printing, the lifting device for printing is mounted on the lifting mounting block arranged at the lower part of the rack, the upper left side of the rack is provided with a scraping device cooperating with the material in the charging block, the upper right side thereof is provided with a mounting rack, the mounting rack is provided with a light spot emission device and a light transmission block that cooperate with each other, and the mounting rack is further provided with a discharging device; the present invention aims to provide a descending type ceramic 3D printer in which the light transmission block and the light spot emission device are arranged above the charging block so that the charging block are descended gradually to realize the printing of the product, and when printing and feeding of each part finishes, the scraping device will scratch it flat, greatly guarantying the flatness of each printing, and ensuring the performance of the joint portions, thereby improving the quality of the product.

First claim

What is claimed is:

1 . A descending type ceramic 3D printer comprising a rack ( 1 ), wherein the middle part of the rack is provided with a charging block ( 4 ) sealed with the four sides thereof, the lower part of the charging block ( 4 ) is connected with a lifting device for printing ( 3 ), the lifting device for printing ( 3 ) is mounted on the lifting mounting block ( 2 ) arranged at the lower part of the rack ( 1 ), the upper left side of the rack ( 1 ) is provided with a scraping device ( 9 ) cooperating with the material in the charging block ( 4 ), the upper right side thereof is provided with a mounting rack ( 5 ), the mounting rack ( 5 ) is provided with a light spot emission device ( 6 ) and a light transmission block ( 7 ) that cooperate with each other, and the mounting rack ( 5 ) is further provided with a discharging device ( 8 ).

2 . The descending type ceramic 3D printer in accordance with the claim 1 , wherein the middle part of the charging block ( 4 ) is provided with a forming port, the forming port is provided with a forming mesh plate ( 11 ) and a forming sealing block ( 13 ) from top to bottom, the forming mesh plate ( 11 ) is provided with a discharging hole ( 12 ), the lower part of the forming sealing block ( 13 ) is provided with an L-shaped forming sealing mounting block ( 14 ), and the horizontal part of the forming sealing mounting block ( 14 ) is locked at the lower part of the charging block ( 4 ) through a forming sealing mounting bolt ( 15 ).

3 . The descending type ceramic 3D printer in accordance with the claim 2 , wherein the lower center of the forming sealing block ( 13 ) is provided with a lifting and locating rod for printing ( 16 ), the lower part of the lifting and locating rod for printing ( 16 ) cooperates with a lifting and locating block for printing ( 17 ) in a contacting but not connecting way, the lower left and right sides of the lifting and locating block for printing ( 17 ) are connected with a lifting and locating cylinder for printing ( 18 ), and the lifting and locating cylinder for printing ( 18 ) is mounted on the lifting mounting block ( 2 ).

4 . The descending type ceramic 3D printer in accordance with the claim 3 , wherein the position where the lifting mounting block ( 2 ) is located between two lifting and locating cylinders for printing ( 18 ) is evenly provided with the lifting limit cylinders for printing ( 19 ), the upper part of the lifting limit cylinder for printing ( 19 ) is connected with a lifting limit block for printing ( 20 ), and all the lifting limit blocks for printing ( 20 ) form a stair-step shape of the same height difference.

5 . The descending type ceramic 3D printer in accordance with the claim 1 , wherein the scraping device ( 9 ) comprises a scraping and lifting cylinder ( 22 ) embedded in the rack ( 1 ) and the position thereof passing through the rack ( 1 ) is provided with a scraping cylinder ( 23 ), the scraping cylinder ( 23 ) is connected with a scraping block ( 24 ) matching with the charging block ( 4 ), and the position where the upper part of the rack ( 1 ) is located at the front and rear side of the charging block ( 4 ) is provided with a scraping block ( 24 ).

6 . The descending type ceramic 3D printer in accordance with the claim 5 , wherein the position where the rack ( 1 ) is located between the scraping and lifting cylinder ( 22 ) and the charging block ( 4 ) is embedded with a remainder collecting box ( 25 ), a cleaning tank of the scraping block ( 26 ) is arranged in the right side wall of the remainder collecting box ( 25 ), a cleaning spring of the scraping block ( 27 ) is arranged in the cleaning tank of scraping block ( 26 ), and the cleaning spring of the scraping block ( 27 ) is provided with a cleaning cone block of the scraping block ( 29 ) cooperating with the lower side of the scraping block ( 24 ).

7 . The descending type ceramic 3D printer in accordance with the claim 6 , wherein a collecting box outlet ( 30 ) is arranged in the side wall of the remainder collecting box ( 25 ), communicating with the cleaning tank of the scraping block ( 26 ) and having a front and rear width smaller than the cleaning tank of the scraping block ( 26 ), and the lower part of the cleaning spring of the scraping block ( 27 ) is provided with a mounting block of the cleaning spring ( 28 ) cooperating with the cleaning tank of scraping block ( 26 ) in a non-fix connecting way.

8 . The descending type ceramic 3D printer in accordance with the claim 1 , wherein the position where the mounting rack ( 5 ) is located at the upper and lower part of the light transmission block ( 7 ) is provided with a light transmission adjusting cylinder ( 33 ), the light transmission adjusting cylinder ( 33 ) is connected with a light transmission adjusting block ( 34 ) cooperating with the light transmission block ( 7 ), the upper light transmission adjusting block ( 34 ) is provided with a light shading block ( 35 ) on the left side, and the lower light transmission adjusting block ( 34 ) is provided with a light shading block ( 35 ) on the right side.

9 . The descending type ceramic 3D printer in accordance with the claim 1 , wherein the discharging device ( 8 ) comprises a discharge barrel ( 43 ) fixedly connected to the lower part of the mounting rack ( 5 ), the lower part of the discharging barrel ( 43 ) is provided with a discharging port ( 44 ), the discharging port ( 44 ) is cooperated with a discharging tube ( 45 ), the side of the discharging barrel ( 43 ) is communicated with a feeding tube ( 46 ) and the inner bottom surface thereof is provided with an opening and closing swivel block for discharging ( 49 ), and the opening and closing swivel block for discharging ( 49 ) is provided with an opening and closing port for discharging ( 50 ) cooperated with the discharging port ( 44 ), the opening and closing swivel block for discharging ( 49 ) is fixedly connected with an opening and closing swivel shaft for discharging ( 47 ) which is vertically oriented and passes through the upper part of the discharging barrel ( 43 ) and the position where the opening and closing swivel shaft for discharging ( 47 ) is located in the discharging barrel ( 43 ) is provided with an agitating rod for discharging ( 48 ), and the opening and closing swivel shaft for discharging ( 47 ) is cooperated with a rotating motor for discharging ( 41 ) arranged on the mounting rack ( 5 ).

Assignees

• Univ Dongguan Technology

Inventors

• Deng Jun
• Tian Jun

Classifications

• B33Y40/10

  Pre-treatment · CPC title

• B28B1/001 Primary

  Rapid manufacturing of 3D objects by additive depositing, agglomerating or laminating of material (selective deposition modelling of metallic powder B22F10/00; rapid manufacturing of 3D objects in general and in particular of plastics B29C64/00) · CPC title

• B29C64/214

  Doctor blades · CPC title

• B29C64/329

  using hoppers · CPC title

• B29C64/232

  for motion along the axis orthogonal to the plane of a layer · CPC title