Convenient sampling device for powder feeding pipe of mixing station

The utility model provides a convenient sampling device for a powder feeding pipe of a mixing station, which belongs to the technical field of building construction auxiliary tools and comprises a mounting sleeve, a rubber pad, a conveying pipe, a discharging pipe and a material blocking frame. The installation sleeve is arranged outside the powder feeding pipe in a sleeving mode and can make close contact with the powder feeding pipe, a through hole is formed in the powder feeding pipe in advance, the through hole is communicated with the inside and the outside of the powder feeding pipe, theinstallation sleeve is provided with a threaded hole, and the threaded hole and the through hole are coaxially formed. A through hole is formed in the rubber pad, the rubber pad is arranged between the mounting sleeve and the powder feeding pipe and used for sealing the communicating position of the through hole and the threaded hole, and the through hole and the through hole are coaxially formed; one end of the transmis