Patent ID: 11877663
Assignee: GUANGZHOU LIANROU MACHINERY & EQUIPMENT CO., LTD.
Field: Furniture, games (Other fields)
Classification: CPC A  B | IPC A  B

Claim 10:
11. A manufacturing method for the multilayer pocket spring string, manufacturing by the welding apparatus of claim 1, wherein the manufacturing method comprises:
folding and wrapping the cloth on the spring conveying mechanism to move;
driving, by the first driving mechanism, the first welding module to move progressively, so as to adjust a position of the first welding module;
welding, by the first welding module, the cloth to form a separation seam, so that the accommodating cavity is separated to form at least two layers of first cavities, and progressively changing a position of the separation seam along with a movement of the cloth;
welding, by the second welding module, the cloth, so that the cloth forms the accommodating cavities arranged at intervals;
clamping and conveying, by the spring conveying mechanism, the spring into the corresponding first cavity; and
arranging a third welding module, and welding, by the third welding module, a side edge of the cloth to form a seal.