High-precision low-pulsation high-stability peristaltic pump head

The utility model is suitable for the field of liquid transmission peristaltic pumps, and provides a high-precision low-pulsation high-stability peristaltic pump head which comprises two symmetrical supporting shells which can be connected in series, the two supporting shells form a half cavity, a main shaft is rotationally connected to the interiors of the two supporting shells, two sets of idler wheels are fixedly connected to the main shaft, and the two sets of idler wheels are arranged in the half cavity. And the tops of the two supporting shells are provided with forcible pressing blocks, the forcible pressing blocks are rotationally connected with pressing shafts, and the two ends of each pressing shaft are each provided with a semicircular check block. According to the utility model, the load of the strong pressing block at the top is balanced, so that the load stress of the two groups of rollers is balanced, the device operates stably, and the deviation is reduced; the two supporting shells are provid