The schematic diagram of the main shaft system of a general carpet tufting machine is shown in Figure 1. As can be seen from Figure 1, crank l1, connecting rod l2 and rocker l3 form a needle linkage mechanism, rocker, connecting rod "and push rod l6 form a rocker slider
Mechanism, crank l7, connecting rod l8 and rocker l9 constitute a hook linkage mechanism) The main shaft transmits power to the needle slave shaft through the needle linkage mechanism, so that the needle slave shaft drives the tufting needle at the end of the rocker slider mechanism to reciprocate up and down ; Drive the hook from the shaft to swing through the hook link mechanism, so that the tufting hook swings back and forth.
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