Packaging equipment for continuous automatic net sleeving of casing, shirring machine and packaging method

Packaging equipment for continuous automatic net sleeving of a casing, comprising:

• a shuttle (10), wherein an outer circumferential face (12) and shape of the shuttle (10) is designed to be suitable for sleeving the shuttle (10) with a net bag (20b) pulled from a net bag roll (20a), and an accommodating hole (14) is formed in one end of the shuttle (10) away from the net bag roll (20a);
• a first gripper (30a), wherein the first gripper (30a) is capable of being opened or closed to release or clamp and fix one end of the shuttle (10) close to the net bag roll (20a);
• a second gripper (30b), wherein the second gripper (30b) is capable of driving an open end of the net bag (20b) to make reciprocating motion between a first position and a second position on the shuttle (10) when being closed, and the second gripper (30b) is capable of allowing the net bag (20b) to move freely in a net bag conveying direction when being opened;
• a casing conveying rod (40), wherein the casing conveying rod (40) is designed to be capable of carrying a shined casing (70) to move to the end of the shuttle (10) provided with the accommodating hole (14) and to be inserted into the accommodating hole (14), and is capable of being reset to a position away from the shuttle (10);
• a third gripper (30c), configured to clamp the open end of the net bag (20b) and pull the net bag to sleeve the whole shined casing (70) in a penetrating mode;
• a fourth gripper (30d), configured to pull the net bag (20b) so as to unwind the net bag (20b) from the net bag roll (20a), wherein the fourth gripper (30d) is designed to be capable of moving with the third gripper (30c);
• a net bag cutting device (50), configured to cut the net bag (20b) between the end of the shuttle (10) provided with the accommodating hole (14) and one end of the shined casing (70) close to the shuttle (10);
• a packaged casing accommodating bin clamp (30e), configured to clamp the shirred casing packaged with the net bag and to be capable of fixing the shirred casing leaving the casing conveying rod (40) and conveying the shirred casing to a tying position when the casing conveying rod (40) is reset;
• and
• net bag tying devices (60), configured to tie two ends of the net bag (20b) exposed at two ends of the packaged casing accommodating bin clamp (30e).