Sintering device and sintering method thereof

Patent metadata

Field	Value
Publication number	US-11280547-B2
Application number	US-201816059653-A
Country	US
Kind code	B2
Filing date	Aug 9, 2018
Priority date	Oct 30, 2017
Publication date	Mar 22, 2022
Grant date	Mar 22, 2022

Abstract

Embodiments of the present disclosure provide a sintering device and a sintering method thereof. The sintering device includes: a housing, defining a chamber; and at least one first heating mechanism and at least one second heating mechanism, disposed in the chamber, wherein the at least one first heating mechanism and the at least one second heating mechanism provide different heating temperatures for a workpiece to be processed.

First claim

The invention claimed is:

1. A sintering device, comprising:
a housing, defining a chamber;
at least one first heating mechanism and at least one second heating mechanism, disposed in the chamber; and
a bearing mechanism, disposed in the chamber and configured to hold at least one workpiece to be processed and allow the workpiece to be processed to be movable along a first track, the bearing mechanism including at least one bearing position, and the at least one bearing position being configured to hold the workpiece to be processed,
wherein the at least one first heating mechanism and the at least one second heating mechanism provide different heating temperature for the workpiece to be processed,
the first heating mechanism and the second heating mechanism are arranged along the first track,
a support frame is disposed in each of the at least one bearing position of the bearing mechanism and configured to fix the workpiece to be processed,
the support frame includes a base a clamping structure disposed on the base, the clamping structure defines the workpiece to be processed, the workpiece to be processed is fixed on the base,
the bearing mechanism includes a support shaft and a roller supported by the support shaft, the bearing position is disposed on the roller the roller rotates around the support shaft,
a tangent of the first track is perpendicular to a direction of a surface of the base on which the workpiece to be processed is fixed, the base and the workpiece to be processed are upright on the roller by being perpendicular to the first track.

2. The sintering device according to claim 1 , wherein
one of the bearing positions is configured to be aligned with any one of the first heating mechanism and the second heating mechanism.

3. The sintering device according to claim 2 , wherein
the bearing mechanism includes at least two bearing positions; and any two of the bearing positions are configured to be respectively aligned with the first heating mechanism and the second heating mechanism.

4. The sintering device according to claim 2 , wherein
a shape of the first track is straight line, curved line or zigzag line; and a movement mode of the bearing position along the first track is reciprocating movement or one-way movement.

5. The sintering device according to claim 2 , wherein
a shape of the first track is a closed ring.

6. The sintering device according to claim 1 , wherein
at least one of the first heating mechanism or the second heating mechanism is a laser beam heating unit.

7. The sintering device according to claim 6 , further comprising:
at least one fine adjusting unit, configured to adjust positions of the first heating mechanism and the second heating mechanism so as to be aligned with a region to be heated of the workpiece to be processed.

8. The sintering device according to claim 1 , wherein
the support frame further includes an adsorption unit, and vent holes formed in the base; and the adsorption unit is configured to fix the workpiece to be processed through the vent holes.

9. The sintering device according to claim 1 , wherein
one of the first heating mechanism and the second heating mechanism is configured to adopt high-temperature heating mode, and the other is configured to adopt low-temperature heating mode.

10. The sintering device according to claim 9 , wherein
both the first heating mechanism and the second heating mechanism are configured to be switchable between the high-temperature heating mode and the low-temperature heating mode.

11. A sintering method employing a sintering device,
the sintering device includes:
a housing, defining a chamber; and
at least one first heating mechanism and at least one second heating mechanism, disposed in the chamber,
wherein the at least one first heating mechanism and the at least one second heating mechanism provide different heating temperatures for a workpiece to be processed; and
the sintering method comprises:
placing the workpiece to be processed into the chamber; and
heating the workpiece to be processed by adoption of the first heating mechanism and the second heating mechanism to provide different heating temperatures,
wherein the sintering device further includes a bearing mechanism which is disposed in the chamber and configured to hold the workpiece to be processed; the bearing mechanism includes at least one bearing position for holding the workpiece to be processed,
a support frame is disposed in each of the at least one bearing position of the bearing mechanism and configured to fix the workpiece to be processed,
the support frame includes a base, a clamping structure disposed on the base, the clamping structure defines the workpiece to be processed, the workpiece to be processed is fixed on the base, the bearing mechanism includes a support shaft and a roller supported by the support shaft, the bearing position is disposed on the roller, the roller rotates around the support shaft,
a tangent of the first track is perpendicular to a direction of a surface of the base on which the workpiece to be processed is fixed, the base and the workpiece to be processed are upright on the roller by being perpendicular to the first track.

12. The sintering method according to claim 11 , wherein
one of the first heating mechanism and the second heating mechanism is configured to adopt high-temperature heating mode, and the other is configured to adopt low-temperature heating mode; the heating temperature of the high-temperature heating mode is higher than the heating temperature of the low-temperature heating mode; and
the workpiece to be processed is subjected to low-temperature heating at first and then subjected to high-temperature heating.

13. The sintering method according to claim 12 , wherein
the method comprises:
moving the bearing position of the bearing mechanism to a loading position;
placing the workpiece to be processed in the chamber and loading the workpiece to be processed to the bearing position;
driving the bearing mechanism so that the bearing position is aligned with the second heating mechanism, and heating the workpiece to be processed by using the second heating mechanism;
driving the bearing mechanism so that the bearing position is aligned with the first heating mechanism, and heating the workpiece to be processed by using the first heating mechanism; and
driving the bearing mechanism so that the bearing position moves to an unloading position, in which
the first heating mechanism adopts high-temperature heating mode and the second heating mechanism adopts low-temperature heating mode.

Assignees

• Boe Technology Group Co Ltd
• Ordos Yuansheng Optoelectronics Co Ltd

Inventors

• Ji Peng
• Li Xuwei

Classifications

• F27D99/0001

  Heating elements or systems · CPC title

• F27B9/12 Primary

  with special arrangements for preheating or cooling the charge · CPC title

• F27B2009/122

  Preheating · CPC title

• F27D3/12

  Travelling or movable supports or containers for the charge · CPC title

• F27B9/36 Primary

  Arrangements of heating devices · CPC title