Electro-plastic shape control roller system based on transverse partitioning and independent control

1 . An electro-plastic shape control roller system based on transverse partitioning and independent control, comprising a shape control roller mandrel, wherein two ends of the shape control roller mandrel are respectively inserted into bearing seats for fixation;

a bearing is provided between each of the two ends of the shape control roller mandrel and a respective one of the bearing seats;

conductive rotary joints are respectively fitted on outer walls of the two ends of the shape control roller mandrel, and a plurality of conductive copper rings are fitted on an outer wall of a middle of the shape control roller mandrel;

insulating ceramic rings are arranged between adjacent ones of the plurality of conductive copper rings to isolate the plurality of conductive copper rings;

a plurality of channels are provided inside the shape control roller mandrel;

the plurality of channels each are provided therein with an insulated wire;

the insulated wire comprises a first end connected to an inner wall of a respective one of the plurality of conductive copper rings and a second end connected to a respective one of the conductive rotary joints for current transmission;

the conductive rotary joints are connected to a main circuit and a control circuit and configured to control on/off of different conductive copper rings;

the main circuit comprises a first power supply, a first multi-way contactor, a second multi-way contactor, and a multi-way thermal relay heating coil;

a positive terminal of the first power supply is connected to a first end of the first multi-way contactor, and a second end of the first multi-way contactor is connected to the conductive rotary joint at the first end of the shape control roller mandrel;

a negative terminal of the first power supply is connected to a first end of the multi-way thermal relay heating coil, and a second end of the multi-way thermal relay heating coil is connected to a first end of the second multi-way contactor;

a second end of the second multi-way contactor is connected to the conductive rotary joint at the second end of the shape control roller mandrel;

the conductive rotary joints at the two ends of the shape control roller mandrel are connected to corresponding ones of the plurality of conductive copper rings through the insulated wires;

the control circuit comprises a second power supply, a programmable logic controller (PLC), a multi-way contactor control coil, a multi-way thermal relay, an output circuit fuse, and an input master button;

pins X 000 , X 001 , and X 002 of the PLC are respectively connected to corresponding first ends of switches SB 1 , SB 2 , and SB 3 of the input master button;

second ends of the switches SB 1 , SB 2 , and SB 3 of the input master button are connected to a PLC pin COM;

a PLC pin COM 0 is connected to a first end of the output circuit fuse, and a second end of the output circuit fuse is connected to a positive terminal of the second power supply;

a first plurality of PLC output pins are respectively connected to corresponding first ends of a first plurality of coils of the multi-way contactor control coil;

a second plurality of PLC output pins are respectively connected to corresponding first ends of a second plurality of coils of the multi-way contactor control coil;

second ends of the second plurality of coils of the multi-way contactor control coil are respectively connected to corresponding first ends of the multi-way thermal relay;

second ends of the first plurality of coils of the multi-way contactor control coil and corresponding second ends of the multi-way thermal relay are connected to a negative terminal of the second power supply;

an insulating ceramic roller sleeve is provided between the outer wall of the shape control roller mandrel and inner walls of the plurality of conductive copper rings and the insulating ceramic rings to achieve insulation and heat protection between the shape control roller mandrel and the plurality of conductive copper rings; and

a shock-absorbing rubber sleeve is provided between the outer wall of the shape control roller mandrel and an inner wall of the insulating ceramic roller sleeve to achieve shock absorption during movement of the shape control roller mandrel, the plurality of conductive copper rings, and the insulating ceramic rings.

2 . The electro-plastic shape control roller system based on the transverse partitioning and independent control according to claim 1 , wherein a key is provided to achieve position limiting between an outer wall of the shock-absorbing rubber sleeve and the inner wall of the insulating ceramic roller sleeve.

3 . The electro-plastic shape control roller system based on the transverse partitioning and independent control according to claim 1 , wherein in the main circuit, a line connecting the positive terminal of the first power supply to the first multi-way contactor is provided with a multi-way fuse for protecting normal operation of the main circuit.

4 . The electro-plastic shape control roller system based on the transverse partitioning and independent control according to claim 1 , wherein the system further comprises an oil medium cooler, and lower sides of the plurality of conductive copper rings and the insulating ceramic rings are immersed into the oil medium cooler for cooling.

5 . The electro-plastic shape control roller system based on the transverse partitioning and independent control according to claim 4 , wherein a maximum width of the conductive copper ring and a maximum width of the insulating ceramic ring are one eighth of a width of a strip.

6 . The electro-plastic shape control roller system based on the transverse partitioning and independent control according to claim 1 , wherein the first power supply is a high-frequency pulse power supply.