土壤样品自动研磨与过筛联合装置

Abstract

本实用新型属于土壤样品制备技术领域，尤其为土壤样品自动研磨与过筛联合装置，包括收集盘，收集盘的上表面螺纹安装有筛选筒，筛选筒的内壁上安装有通过弹簧阻尼减震器固定安装有筛选网板，筛选网板上固定安装有搅拌机构，搅拌机构上靠近上下位置均设置有布气机构，筛选筒的上表面螺纹安装有研磨筒，筛选筒的内壁上固定安装有研磨网板，研磨筒的上表面螺纹安装有密封盖，密封盖的上表面固定安装有布气盒；本实用新型将土壤样品的研磨与过筛结合在一起，并且采用自动研磨与筛选，使用更省时省力，增加对研磨网板和筛选网板的反冲清理功能，使研磨网板和筛选网板不易堵塞，利于使用。

Claims

1. A combined device for automatic grinding and sieving of soil samples, comprising a collection tray (1), characterized in that: The upper surface of the collection tray (1) is threaded with a screening cylinder (2). The inner wall of the screening cylinder (2) is fixed with a screening screen plate (4) by a spring damping shock absorber (3). The screening screen plate (4) is fixed with a stirring mechanism (5). The stirring mechanism (5) is provided with an air distribution mechanism (6) near the upper and lower positions. The upper surface of the screening cylinder (2) is threaded with a grinding cylinder (7). The inner wall of the screening cylinder (2) is fixed with a grinding screen plate (8). The upper surface of the grinding cylinder (7) is threaded with a sealing cover (9). The upper surface of the sealing cover (9) is fixed with an air distribution box (10). The air distribution box (10) is fixed with an air pump assembly (11). The upper surface of the air distribution box (10) is fixed with a driving mechanism (12). The driving mechanism (12) is inserted into the grinding cylinder (7). The driving mechanism (12) is installed on the left and right sides of the grinding screen plate (8).

2. The combined soil sample automatic grinding and screening device according to claim 1, characterized in that: The stirring mechanism (5) includes a conduit (501), a first bearing assembly (502) and a stirring blade (503). The conduit (501) is fixedly mounted on the screen plate (4) via the first bearing assembly (502). The stirring blade (503) is provided on the upper surface of the screen plate (4) on the conduit (501).

3. The combined soil sample automatic grinding and screening device according to claim 2, characterized in that: The grinding mesh plate (8) corresponding to the conduit (501) has a first through hole (14). The outer surface of the upper side wall of the conduit (501) is a rectangular structure. The conduit (501) is a hollow structure with an open upper surface.

4. The combined soil sample automatic grinding and screening device according to claim 1, characterized in that: The gas distribution mechanism (6) includes a gas distribution pipe (601) and a one-way gas outlet (602). The gas distribution pipe (601) is fixedly installed on the left and right sides of the guide pipe (501), and one-way gas outlets (602) are evenly arranged on the upper surface of the gas distribution pipe (601).

5. The combined soil sample automatic grinding and screening device according to claim 1, characterized in that: The drive mechanism (12) includes a motor (121), a transmission pipe (122), a mechanical seal (123), an air inlet (124), and a rubber sealing ring (125). The motor (121) is fixedly installed on the upper surface of the air distribution box (10). The transmission pipe (122) is fixedly installed on the lower surface of the output shaft of the motor (121), and the transmission rod is inserted into the grinding cylinder (7). The mechanical seal (123) is installed on the transmission pipe (122) at the corresponding positions of the upper and lower side walls of the air distribution box (10). The air inlet (124) is opened on the front side wall of the transmission pipe (122) inside the air distribution box (10). The rubber sealing ring (125) is fixedly installed on the inner wall of the transmission pipe (122).

6. The combined soil sample automatic grinding and screening device according to claim 5, characterized in that: The sealing cap (9) corresponding to the transmission tube (122) has a second through hole (15). The inner wall of the transmission tube (122) is rectangular. The transmission tube (122) is sleeved on the upper part of the guide tube (501). The inner wall of the transmission tube (122) is in contact with the outer surface of the upper part of the guide tube (501).

7. The combined soil sample automatic grinding and screening device according to claim 1, characterized in that: The grinding mechanism (13) comprises a rotating shaft (131), a second bearing assembly (132) and a grinding roller (133), the rotating shaft (131) is fixedly installed with the left and right sides of the transmission pipe (122), and the end of the rotating shaft (131) away from the transmission pipe (122) is installed with the grinding roller (133) through the second bearing assembly (132).

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