Conveying track

The utility model relates to a conveying rail which comprises a rail body extending in a first direction, the rail body is provided with a first end and a second end which are opposite in the first direction and a first side and a second side which are opposite relative to the first direction, and a gas supply channel extending in the first direction is formed in the rail body. The first side and/or the second side of the track body are/is provided with first grooves extending in the first direction and cover plate assemblies covering the first grooves, the cover plate assemblies are detachably connected to the track body, and a material conveying channel is defined by the cover plate assemblies and the corresponding first grooves. A plurality of vent holes arranged at intervals in the first direction are formed between the material conveying channel and the gas supply channel, and the vent holes obliquely extend from the gas supply channel to the material conveying channel and from the first end to the secon