一种3D打印设备用粉末材料回收筛分装置

Abstract

本实用新型公开了一种3D打印设备用粉末材料回收筛分装置，涉及3D打印材料回收设备技术领域，包括分级筛分箱，分级筛分箱的内部固定安装有二号筛网，分级筛分箱的下端设置有负压吸附机构，分级筛分箱的一侧设置有净化机构；负压吸附机构包括两组支撑架和两组斜导块，分级筛分箱的下端固定安装有负压箱，两组支撑架的中间固定安装有抽风机，负压箱的下端开口固定安装有连接管，分级筛分箱的下端贯穿安装有吸附管道。本实用新型，能够及时吸附二号筛网下方残留的细小粉末和粉尘，避免粉末堆积影响筛分效果，同时防止粉尘飞扬，改善工作环境。

Claims

1. A powder material recycling and sieving device for a 3D printing apparatus, comprising a classifying and sieving bin (1), characterized in that: The grading screening box (1) is fixedly installed with a No. 2 screen (15), the lower end of the grading screening box (1) is connected to a discharge mechanism (17), the lower end of the grading screening box (1) is provided with a negative pressure adsorption mechanism (2), and a purification mechanism (3) is provided on one side of the grading screening box (1). The negative pressure adsorption mechanism (2) includes two sets of support frames (21) and two sets of inclined guide blocks (26). A negative pressure box (22) is fixedly installed at the lower end of the grading and screening box (1). A blower (23) is fixedly installed in the middle of the two sets of support frames (21). A connecting pipe (24) is fixedly installed at the lower opening of the negative pressure box (22). An adsorption pipe (25) is installed through the lower end of the grading and screening box (1).

2. The powder material recycling and sieving device for a 3D printing apparatus according to claim 1, characterized in that: The upper ends of both sets of support frames (21) are fixed to the lower ends of the grading and screening box (1), and the lower end of the connecting pipe (24) is fixed to the air inlet of the exhaust fan (23).

3. The powder material recycling and sieving device for a 3D printing apparatus according to claim 2, characterized in that: The outer walls of the two sets of inclined guide blocks (26) are fixed to the inner wall of the grading and screening box (1), and the upper ends of the multiple sets of adsorption pipes (25) pass through the interior of the two sets of inclined guide blocks (26) to the interior of the grading and screening box (1).

4. The powder material recycling and sieving device for a 3D printing apparatus according to claim 1, characterized in that: The purification mechanism (3) includes a concave seat (31), a purification box (32) is installed inside the concave seat (31), a trapezoidal seat (33) is fixedly installed at the lower end of the grading and screening box (1), and a long pipe (34) is installed through one end of the trapezoidal seat (33).

5. The powder material recycling and sieving device for a 3D printing apparatus according to claim 4, characterized in that: One end of the long pipe (34) is fixed to the exhaust port of the exhaust fan (23), and the other end of the long pipe (34) is fixed to the air inlet of the purification box (32).

6. The powder material recycling and sieving device for a 3D printing apparatus according to claim 1, characterized in that: A shock-absorbing mechanism (11) is fixedly installed at the lower end of the grading screening box (1). A first guide box (12) is fixedly installed at one end of the grading screening box (1). Vibration motors (13) are fixedly installed on both sides of the grading screening box (1). A second guide box (16) is fixedly installed at the other end of the grading screening box (1).

7. The powder material recycling and sieving device for a 3D printing apparatus according to claim 6, characterized in that: The grading and screening box (1) has a No. 1 screen (14) fixedly installed inside. One end of the No. 1 screen (14) is in contact with one end opening of the No. 1 guide box (12), and one end of the No. 2 screen (15) is in contact with one end opening of the No. 2 guide box (16).

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