CN213802191U - Constant tension control device of film winding machine - Google Patents
Constant tension control device of film winding machine Download PDFInfo
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- CN213802191U CN213802191U CN202021285344.9U CN202021285344U CN213802191U CN 213802191 U CN213802191 U CN 213802191U CN 202021285344 U CN202021285344 U CN 202021285344U CN 213802191 U CN213802191 U CN 213802191U
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- 230000007246 mechanism Effects 0.000 claims abstract description 16
- 230000007704 transition Effects 0.000 claims description 54
- 239000003638 chemical reducing agent Substances 0.000 claims description 47
- 238000005096 rolling process Methods 0.000 claims description 24
- 230000008859 change Effects 0.000 claims description 8
- 230000009471 action Effects 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 230000009467 reduction Effects 0.000 claims description 4
- 238000005520 cutting process Methods 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 2
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- 238000012545 processing Methods 0.000 abstract description 6
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Abstract
The utility model belongs to film processingequipment, concretely relates to permanent tension control device of film winder. The constant tension control device of the film winding machine comprises an unwinding mechanism, a traction mechanism, a winding mechanism and a control device, wherein the control device consists of a PLC host, a digital quantity output module, an analog quantity input module, an analog quantity output module, a touch screen, an unwinding servo driver, a traction servo driver, a winding servo driver I, a winding servo driver II, a winding tower frequency converter, four feedback connection external members, a PG card and an Ethernet switch; each driving roller in the device is independently driven by a servo driver, and constant tension control is realized by adjusting the rotating speed of the driving roller. The utility model discloses the coiling processing of film can be realized to the device, tension control precision and film production quality have been improved.
Description
Technical Field
The utility model relates to a film processing equipment field, concretely relates to permanent tension control device of winder for processing film.
Background
In a film processing system, a tension control system occupies an important position, constant tension control is an important guarantee for processing high-quality film products, and the quality of the tension control can affect the surface smoothness, the thickness uniformity and the like of the film and directly determine the quality grade and the yield of the film products. The film tension is small, so that transverse slipping between a film belt and a roller shaft is easy to occur, and the coating effect is influenced; the tension is so great that the film tape is under tension and breaks. In the film processing industry, the existing tension control system adopts a torque adjusting mode to realize tension control, although the method can enable the tension to quickly reach a given value, the tension fluctuation is too large in a starting stage and a disturbed stage due to lack of accurate control on speed, and the surface of the film is wrinkled and has different thicknesses.
SUMMERY OF THE UTILITY MODEL
To the technical problem who exists above-mentioned, the utility model aims at: the constant tension control device of the film winding machine is provided, each driving roller is independently driven by a servo driver, and constant tension control is realized by adjusting the rotating speed of the driving roller and the position of the swing roller.
The utility model adopts the technical proposal that:
the unwinding mechanism comprises an unwinding driving roller (1), an ultrasonic unwinding diameter-winding transmitter (R1), an unwinding speed reducer (17), an unwinding alternating current motor (M1), an unwinding encoder (n1), an unwinding transition roller I (2), an unwinding transition roller II (3), an unwinding transition roller III (4), an unwinding tension measuring roller (5), a right unwinding tension transmitter (28) and a left unwinding tension transmitter (29);
the traction mechanism consists of a traction driving roller (6), a traction speed reducer (18), a traction alternating current motor (M2), a traction encoder (n2), a traction transition roller I (7) and a traction transition roller II (8);
the winding mechanism comprises a swing roller (9), a swing roller cylinder (22), an air pipe (26) connected with the swing roller cylinder, a proportional valve (25) for controlling air pressure in the swing roller cylinder, a swing roller position encoder (theta 1), a winding transition roller (10), a winding tension measuring roller (11), a right winding tension transmitter (30), a left winding tension transmitter (31), a first winding guide roller (12), a first winding driving roller (13), a first winding speed reducer (19), a first winding alternating current motor (M3), a first winding encoder (n3), a second winding guide roller (14), a second winding driving roller (15), a second winding speed reducer (20), a second winding alternating current motor (M4), a second winding encoder (n4), a winding tower (16), a winding tower (17), a winding tower alternating current motor (M5), a winding tower position encoder (n5), a winding ultrasonic winding diameter transmitter (R2), The pneumatic cut-off knife (23), an electromagnetic valve (24) for controlling the action of the cut-off knife and an air pipe (27) connected with the pneumatic cut-off knife;
the control device consists of a PLC host, a digital quantity output module, an analog quantity input module, an analog quantity output module, a touch screen, an unreeling servo driver, a traction servo driver, a reeling servo driver I, a reeling servo driver II, a reeling tower frequency converter, four feedback connection kits, a PG card and an Ethernet switch;
the film (32) is discharged from the unreeling driving roller (1), sequentially passes through the unreeling transition roller I (2), the unreeling transition roller II (3), the unreeling transition roller III (4) and the unreeling tension measuring roller (5), sequentially passes through the traction driving roller (6), the traction transition roller I (7) and the traction transition roller II (8) according to a U-shaped film penetrating mode, and finally passes through the reeling swing roller (9), the reeling transition roller (10), the reeling tension measuring roller (11), the reeling guide roller I (12) and the reeling driving roller I (13) to complete primary reeling, and after the film is fully reeled on the reeling driving roller I (13), the film is cut and reeled after the reeling tower (16) rotates for 180 degrees; after the roll is changed, the positions of five devices, namely a second winding guide roller (14), a second winding driving roller (15), a second winding alternating current motor (M4), a second winding speed reducer (20) and a second winding encoder (n4), are exchanged with five devices, namely a first winding guide roller (12), a first winding driving roller (13), a first winding alternating current motor (M3), a first winding speed reducer (19) and a first winding encoder (n 3);
the ultrasonic unreeling and rolling diameter transmitter (R1) is arranged in the horizontal left direction of the axis of the unreeling driving roller (1) and is used for measuring the roll diameter of the raw material film on the unreeling driving roller (1); an output shaft of the unreeling speed reducer (17) is connected with the unreeling driving roller (1), a shaft of an unreeling alternating current motor (M1) is connected with an input shaft of the unreeling speed reducer (17), and the unreeling alternating current motor (M1) drives the unreeling speed reducer (17) and then drives the unreeling driving roller (1) to rotate in a speed reducing manner; the unreeling encoder (n1) is arranged on a shaft of the unreeling alternating current motor (M1) and used for measuring the rotating speed of the unreeling alternating current motor (M1); the first unreeling transition roller (2) is positioned on the left side of the unreeling driving roller (1), the second unreeling transition roller (3) is positioned below the first unreeling transition roller (2), the third unreeling transition roller (4) is positioned on the right side of the second unreeling transition roller (3), and the unreeling tension measuring roller (5) is positioned above the third unreeling transition roller (4); the right unreeling tension transmitter (28) and the left unreeling tension transmitter (29) are arranged at two ends of the unreeling tension measuring roller (5) and used for measuring unreeling tension;
an output shaft of the traction speed reducer (18) is connected with the traction driving roller (6), a shaft of a traction alternating current motor (M2) is connected with an input shaft of the traction speed reducer (18), and the traction alternating current motor (M2) drives the traction speed reducer (18) and then drives the traction driving roller (6) to rotate in a speed reduction manner; the traction encoder (n2) is arranged on a shaft of the traction alternating current motor (M2) and is used for measuring the rotating speed of the traction alternating current motor (M2); the first traction transition roller (7) is positioned at the upper right of the traction driving roller (6), and the second traction transition roller (8) is positioned at the lower right of the first traction transition roller (7);
the swing roller (9) is positioned on the right side of the traction transition roller II (8), and the swing roller cylinder (22) is installed on a support of the swing roller (9) in a hinged mode; one end of an air pipe (26) connected with the roller swinging cylinder is connected with the inlet of the roller swinging cylinder (22), and the other end of the air pipe is connected with the outlet of a proportional valve (25) for controlling the air pressure in the roller swinging cylinder; the swing roller position encoder (theta 1) is arranged at a fulcrum of a bracket of the swing roller (9) and is used for measuring the position of the swing roller (9); the winding transition roller (10) is positioned above the left side of the swing roller (9), the winding tension measuring roller (11) is positioned above the right side of the winding transition roller (10), and the right winding tension transmitter (30) and the left winding tension transmitter (31) are arranged at two ends of the winding tension measuring roller (11) and used for measuring winding tension; the winding tower (16) is positioned at the right lower part of the winding tension measuring roller (11) and is used for automatically changing the roll; a first winding guide roller (12) is arranged at the middle lower part of a winding tower (16), a first winding driving roller (13) is arranged at the right side of the winding tower (16), an output shaft of a first winding speed reducer (19) is connected with the first winding driving roller (13), a shaft of a first winding alternating current motor (M3) is connected with an input shaft of the first winding speed reducer (19), the first winding alternating current motor (M3) drives the first winding speed reducer (19) and then drives the first winding driving roller (13) to rotate in a speed reducing mode, and a first winding encoder (n3) is arranged on a shaft of the first winding alternating current motor (M3) and used for measuring the rotating speed of the first winding alternating current motor (M3); a second winding guide roller (14) is arranged above the middle of the winding tower (16), a second winding driving roller (15) is arranged on the left side of the winding tower (16), an output shaft of a second winding speed reducer (20) is connected with the second winding driving roller (15), a shaft of a second winding alternating current motor (M4) is connected with an input shaft of the second winding speed reducer (20), the second winding alternating current motor (M4) drives the second winding speed reducer (20) and then drives the second winding driving roller (15) to rotate in a speed reducing mode, and a second winding encoder (n4) is arranged on a shaft of the second winding alternating current motor (M4) and used for measuring the rotating speed of the second winding alternating current motor (M4);
an output shaft of the winding tower speed reducer (17) is connected with a main shaft of the winding tower (16), and a shaft of a winding tower alternating current motor (M5) is connected with an input shaft of the winding tower speed reducer (17); the winding tower alternating current motor (M5) drives the winding tower speed reducer (17) and then drives the winding tower to rotate in a speed reduction manner, and is used for driving the winding tower (16) to rotate 180 degrees, and the positions of the winding guide roller I (12), the winding driving roller I (13), the winding guide roller II (14) and the winding driving roller II (15) are switched; the winding tower position encoder (n5) is arranged on the winding tower alternating current motor (M5) and is used for measuring the position of the winding tower (16);
the ultrasonic rolling diameter transmitter (R2) is positioned in the horizontal right direction of the axis of the rolling driving roller I (13) and is used for measuring the rolling diameter of the finished film on the rolling driving roller I (13); a knife edge of a pneumatic cut-off knife (23) for cutting is positioned right above a film between a rolling tension measuring roller (11) and a rolling guide roller I (12), one end of an air pipe (27) connected with the pneumatic cut-off knife is connected with an outlet of an electromagnetic valve (24) for controlling the action of the pneumatic cut-off knife, and the other end of the air pipe is connected with an inlet of an air cylinder of the pneumatic cut-off knife;
the PLC host is a 1756-L81E type host OF Rockwell, the digital quantity output module is a 1756-OB32 module OF Rockwell, the analog quantity input module is a 1756-IF8 module OF Rockwell, the analog quantity output module is a 1756-OF8 module OF Rockwell, and the touch screen is a 2711P-T10C22D9P screen OF Rockwell; the unwinding servo driver, the traction servo driver, the winding servo driver 1 and the winding servo driver 2 are Kinetix5700 type servo drivers of Roxwell, the winding tower frequency converter is a Powerflex527 type frequency converter of the Roxwell, the four feedback connection external members are 2198-K57CK-D15M type universal encoder feedback connection external members of the Roxwell, and the PG card is a 25-ENC-2 type PG card of the Roxwell;
the Ethernet switch is respectively connected with the Ethernet interfaces of the PLC host, the touch screen, the unreeling servo driver, the traction servo driver, the reeling servo driver I, the reeling servo driver II, the reeling tower frequency converter and the swing roller position encoder through Ethernet interfaces and network cables; the output of the unreeling servo driver is connected to the input end of an unreeling alternating current motor to drive the unreeling alternating current motor; the output of the traction servo driver is connected to the input end of the traction alternating current motor to drive the traction alternating current motor; the output of the first winding servo driver is connected to the input end of the first winding alternating current motor to drive the first winding alternating current motor; the output of the second winding servo driver is connected to the input end of the second winding alternating current motor to drive the second winding alternating current motor; the output of the winding tower frequency converter is connected to the input end of the winding tower alternating current motor to drive the winding tower alternating current motor; the unwinding coder is connected with the unwinding servo driver through a feedback connection kit, the traction coder is connected with the traction servo driver through a feedback connection kit, the winding coder I is connected with the winding servo driver I through a feedback connection kit, the winding coder II is connected with the winding servo driver II through a feedback connection kit, and the winding tower coder is connected with the winding tower frequency converter through a PG card;
the output analog quantity signals of the ultrasonic unreeling roll diameter transmitter, the two unreeling tension transmitters, the two reeling tension transmitters and the ultrasonic reeling roll diameter transmitter are connected to an analog quantity input module and used for a PLC host to obtain tension and roll diameter change signals, and the PLC host controls a servo driver through an Ethernet switch, so that the rotating speed of the driving roller is adjusted to realize constant tension control; a coil of the electromagnetic valve is connected with the digital output module, and after the winding tower rotates by 180 degrees, the PLC host controls the output of the digital output module to enable the electromagnetic valve to act, so that the pneumatic cutter is driven to act, and a film is cut; the input signal end of the proportional valve is connected with the analog quantity output module, and the PLC host controls the output of the analog quantity output module to change the opening of the proportional valve and change the air pressure in the roller swinging cylinder, so that the position of the swinging roller is changed, and the aim of stabilizing the tension is fulfilled.
Because the U-shaped film penetrating mode is adopted at the traction mechanism, the tension separation of the unwinding-traction and traction-winding links is realized, and a sectional tension control scheme can be adopted in the two links. A tension measuring roller of the unwinding mechanism measures the unwinding tension, the unwinding tension is fed back to the PLC after being transmitted, the PLC compares the measured actual tension value with a set value, and the rotating speed of the unwinding motor is adjusted after PID operation; the swing rod position encoder measures the position of the swing rod, compares the actual position of the swing rod with a given position, and regulates the rotating speed of the winding motor after PID operation; the linear speed of the traction driving roller is used as the reference of the whole device, and the speed of the traction driving roller is not adjusted; the ultrasonic roll diameter sensor of the unreeling and reeling mechanism uses the roll diameter measured in a static state as an initial value of roll diameter calculation in running, and displays the roll diameter measured in the dynamic running on a touch screen in real time; when the first winding driving roller is fully wound with the film, the winding tower rotates 180 degrees, the second winding driving roller is positioned at a winding station, and then the PLC controls the pneumatic cutter to act to enable the film to be separated from the original winding driving roller to wait for roll change.
The utility model discloses the beneficial effect of device: the roll diameter sensor of the unreeling and reeling mechanism is arranged at a horizontal position, so that roll diameter measurement errors caused by the shape eccentricity of the film are avoided; each driving roller is independently driven, so that the device has an exquisite structure and low maintenance cost; sectional tension control can be performed; the PLC realizes constant tension control through the rotating speed of the driving roller in the adjusting device, ensures the stable tension of the production line, ensures the tension control precision to reach +/-0.1N, and improves the production efficiency.
Drawings
The present invention will be further explained with reference to the accompanying drawings.
Fig. 1 is a hardware configuration diagram of a constant tension control device of a film winding machine.
Fig. 2 is a view showing a system configuration of the film winding machine.
Fig. 3 is a schematic view of a tension sensor mounting on a tension measuring roll.
In fig. 2: the device comprises an unwinding driving roller 1, an unwinding transition roller I2, an unwinding transition roller II 3, an unwinding transition roller III 4, an unwinding tension measuring roller 5, a traction driving roller 6, a traction transition roller I7, a traction transition roller II 8, a swinging roller 9, a winding transition roller 10, a winding tension measuring roller 11, a winding guide roller I12, a winding driving roller I13, a winding guide roller II 14, a winding driving roller II 15 and a winding tower 16; 17 is an unreeling speed reducer installed between an unreeling driving roller and an unreeling alternating current motor, 18 is a traction speed reducer installed between the traction driving roller and the traction alternating current motor, 19 is a first reeling speed reducer installed between a first reeling driving roller and a first reeling alternating current motor, 20 is a second reeling speed reducer installed between a second reeling driving roller and a second reeling alternating current motor, and 21 is a reeling tower speed reducer installed between a reeling tower main shaft and a reeling tower alternating current motor; 22 is a swing roller cylinder hinged with a swing roller, 23 is a pneumatic cutter, 24 is an electromagnetic valve for controlling the action of the cutter, 25 is a proportional valve for controlling the air pressure in the swing roller cylinder, 26 is an air pipe connected with the swing roller cylinder, and 27 is an air pipe connected with the pneumatic cutter; 32 is a film; m1 is an unreeling alternating current motor, n1 is an unreeling encoder arranged on the unreeling alternating current motor, and R1 is an ultrasonic unreeling roll diameter transmitter for measuring the unreeling film roll diameter; m2 is a traction AC motor, n2 is a traction encoder installed on the traction AC motor; theta 1 is a swing roller position encoder for measuring the position of the swing roller; m3 is a first rolling alternating current motor, n3 is a first rolling encoder arranged on the first rolling alternating current motor; m4 is a second rolling alternating current motor, and n4 is a second rolling encoder arranged on the second rolling alternating current motor; m5 is a winding tower alternating current motor, and n5 is a winding tower encoder arranged on the winding tower alternating current motor; r2 is an ultrasonic rolling diameter transmitter for measuring the rolling film rolling diameter.
In fig. 3: 28 is a right unreeling tension transmitter arranged at the right end of the unreeling tension measuring roller (5), 29 is a left unreeling tension transmitter arranged at the left end of the unreeling tension measuring roller (5), 30 is a right reeling tension transmitter arranged at the right end of the reeling tension measuring roller (11), and 31 is a left reeling tension transmitter arranged at the left end of the reeling tension measuring roller (11).
Detailed Description
The following describes the embodiments of the present invention with reference to the accompanying drawings.
The application of the constant tension control device of the film winding machine comprises the following implementation processes:
1) and after the film penetrating work is done according to the film penetrating sequence, the tail end of the film is stuck to the winding driving roller.
2) Setting control parameters including unreeling tension, reeling tension taper, whole machine linear velocity and PID parameters.
3) And the opening device enters a tension establishing state, the linear speed of the whole machine is 0m/s, and the film is tensioned to the set tension and stabilized near the set value only by the PID regulation.
4) The linear speed of the whole machine is put in, the device enters an acceleration state and always keeps the unwinding tension and the winding tension stable at a set value in the process, when the unwinding tension measuring roller detects that the tension value is smaller than the set value, the rotation speed of the unwinding driving roller is slightly reduced, otherwise, the rotation speed is slightly increased, and the constant tension control of an unwinding link is realized; when the swing roller position encoder detects that the position of the swing roller deviates from the vertical position, the rotating speed of the winding driving roller is controlled to slightly change, so that the tension of a winding link is stabilized; the proportional valve adjusts the opening degree of the proportional valve according to the set tension and taper, and the taper and tension control of rolling is realized; finally, the linear speed of the whole machine is stabilized at a set value.
5) When the winding driving roller is about to be fully wound, the linear speed of the whole machine is slowly reduced to 0m/s, the winding tower rotates 180 degrees to enable the standby winding driving roller to be located at a winding station, and after the winding is fully wound, the pneumatic cutter performs roll changing and cutting to complete a winding process and wait for the next winding.
The utility model discloses can improve the stability of tension control precision and complete machine linear velocity, improve film production quality.
The above is a preferred embodiment of the present invention, and is not intended to limit the present invention in any form, and all simple modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments all fall within the scope of the technical solution of the present invention.
Claims (1)
1. A constant tension control device of a film winding machine is characterized in that: the device comprises an unreeling mechanism, a traction mechanism, a reeling mechanism and a control device;
the unwinding mechanism comprises an unwinding driving roller (1), an ultrasonic unwinding diameter-winding transmitter (R1), an unwinding speed reducer (17), an unwinding alternating current motor (M1), an unwinding encoder (n1), an unwinding transition roller I (2), an unwinding transition roller II (3), an unwinding transition roller III (4), an unwinding tension measuring roller (5), a right unwinding tension transmitter (28) and a left unwinding tension transmitter (29);
the traction mechanism consists of a traction driving roller (6), a traction speed reducer (18), a traction alternating current motor (M2), a traction encoder (n2), a traction transition roller I (7) and a traction transition roller II (8);
the winding mechanism comprises a swing roller (9), a swing roller cylinder (22), an air pipe (26) connected with the swing roller cylinder, a proportional valve (25) for controlling air pressure in the swing roller cylinder, a swing roller position encoder (theta 1), a winding transition roller (10), a winding tension measuring roller (11), a right winding tension transmitter (30), a left winding tension transmitter (31), a first winding guide roller (12), a first winding driving roller (13), a first winding speed reducer (19), a first winding alternating current motor (M3), a first winding encoder (n3), a second winding guide roller (14), a second winding driving roller (15), a second winding speed reducer (20), a second winding alternating current motor (M4), a second winding encoder (n4), a winding tower (16), a winding tower (17), a winding tower alternating current motor (M5), a winding tower position encoder (n5), a winding ultrasonic winding diameter transmitter (R2), The pneumatic cut-off knife (23), an electromagnetic valve (24) for controlling the action of the cut-off knife and an air pipe (27) connected with the pneumatic cut-off knife;
the control device consists of a PLC host, a digital quantity output module, an analog quantity input module, an analog quantity output module, a touch screen, an unreeling servo driver, a traction servo driver, a reeling servo driver I, a reeling servo driver II, a reeling tower frequency converter, four feedback connection kits, a PG card and an Ethernet switch;
the film (32) is discharged from the unreeling driving roller (1), sequentially passes through the unreeling transition roller I (2), the unreeling transition roller II (3), the unreeling transition roller III (4) and the unreeling tension measuring roller (5), sequentially passes through the traction driving roller (6), the traction transition roller I (7) and the traction transition roller II (8) according to a U-shaped film penetrating mode, and finally passes through the reeling swing roller (9), the reeling transition roller (10), the reeling tension measuring roller (11), the reeling guide roller I (12) and the reeling driving roller I (13) to complete primary reeling, and after the film is fully reeled on the reeling driving roller I (13), the film is cut and reeled after the reeling tower (16) rotates for 180 degrees; after the roll is changed, the positions of five devices, namely a second winding guide roller (14), a second winding driving roller (15), a second winding alternating current motor (M4), a second winding speed reducer (20) and a second winding encoder (n4), are exchanged with five devices, namely a first winding guide roller (12), a first winding driving roller (13), a first winding alternating current motor (M3), a first winding speed reducer (19) and a first winding encoder (n 3);
the ultrasonic unreeling and rolling diameter transmitter (R1) is arranged in the horizontal left direction of the axis of the unreeling driving roller (1) and is used for measuring the roll diameter of the raw material film on the unreeling driving roller (1); an output shaft of the unreeling speed reducer (17) is connected with the unreeling driving roller (1), a shaft of an unreeling alternating current motor (M1) is connected with an input shaft of the unreeling speed reducer (17), and the unreeling alternating current motor (M1) drives the unreeling speed reducer (17) and then drives the unreeling driving roller (1) to rotate in a speed reducing manner; the unreeling encoder (n1) is arranged on a shaft of the unreeling alternating current motor (M1) and used for measuring the rotating speed of the unreeling alternating current motor (M1); the first unreeling transition roller (2) is positioned on the left side of the unreeling driving roller (1), the second unreeling transition roller (3) is positioned below the first unreeling transition roller (2), the third unreeling transition roller (4) is positioned on the right side of the second unreeling transition roller (3), and the unreeling tension measuring roller (5) is positioned above the third unreeling transition roller (4); the right unreeling tension transmitter (28) and the left unreeling tension transmitter (29) are arranged at two ends of the unreeling tension measuring roller (5) and used for measuring unreeling tension;
an output shaft of the traction speed reducer (18) is connected with the traction driving roller (6), a shaft of a traction alternating current motor (M2) is connected with an input shaft of the traction speed reducer (18), and the traction alternating current motor (M2) drives the traction speed reducer (18) and then drives the traction driving roller (6) to rotate in a speed reduction manner; the traction encoder (n2) is arranged on a shaft of the traction alternating current motor (M2) and is used for measuring the rotating speed of the traction alternating current motor (M2); the first traction transition roller (7) is positioned at the upper right of the traction driving roller (6), and the second traction transition roller (8) is positioned at the lower right of the first traction transition roller (7);
the swing roller (9) is positioned on the right side of the traction transition roller II (8), and the swing roller cylinder (22) is installed on a support of the swing roller (9) in a hinged mode; one end of an air pipe (26) connected with the roller swinging cylinder is connected with the inlet of the roller swinging cylinder (22), and the other end of the air pipe is connected with the outlet of a proportional valve (25) for controlling the air pressure in the roller swinging cylinder; the swing roller position encoder (theta 1) is arranged at a fulcrum of a bracket of the swing roller (9) and is used for measuring the position of the swing roller (9); the winding transition roller (10) is positioned above the left side of the swing roller (9), the winding tension measuring roller (11) is positioned above the right side of the winding transition roller (10), and the right winding tension transmitter (30) and the left winding tension transmitter (31) are arranged at two ends of the winding tension measuring roller (11) and used for measuring winding tension; the winding tower (16) is positioned at the right lower part of the winding tension measuring roller (11) and is used for automatically changing the roll; a first winding guide roller (12) is arranged at the middle lower part of a winding tower (16), a first winding driving roller (13) is arranged at the right side of the winding tower (16), an output shaft of a first winding speed reducer (19) is connected with the first winding driving roller (13), a shaft of a first winding alternating current motor (M3) is connected with an input shaft of the first winding speed reducer (19), the first winding alternating current motor (M3) drives the first winding speed reducer (19) and then drives the first winding driving roller (13) to rotate in a speed reducing mode, and a first winding encoder (n3) is arranged on a shaft of the first winding alternating current motor (M3) and used for measuring the rotating speed of the first winding alternating current motor (M3); a second winding guide roller (14) is arranged above the middle of the winding tower (16), a second winding driving roller (15) is arranged on the left side of the winding tower (16), an output shaft of a second winding speed reducer (20) is connected with the second winding driving roller (15), a shaft of a second winding alternating current motor (M4) is connected with an input shaft of the second winding speed reducer (20), the second winding alternating current motor (M4) drives the second winding speed reducer (20) and then drives the second winding driving roller (15) to rotate in a speed reducing mode, and a second winding encoder (n4) is arranged on a shaft of the second winding alternating current motor (M4) and used for measuring the rotating speed of the second winding alternating current motor (M4);
an output shaft of the winding tower speed reducer (17) is connected with a main shaft of the winding tower (16), and a shaft of a winding tower alternating current motor (M5) is connected with an input shaft of the winding tower speed reducer (17); the winding tower alternating current motor (M5) drives the winding tower speed reducer (17) and then drives the winding tower to rotate in a speed reduction manner, and is used for driving the winding tower (16) to rotate 180 degrees, and the positions of the winding guide roller I (12), the winding driving roller I (13), the winding guide roller II (14) and the winding driving roller II (15) are switched; the winding tower position encoder (n5) is arranged on the winding tower alternating current motor (M5) and is used for measuring the position of the winding tower (16);
the ultrasonic rolling diameter transmitter (R2) is positioned in the horizontal right direction of the axis of the rolling driving roller I (13) and is used for measuring the rolling diameter of the finished film on the rolling driving roller I (13); a knife edge of a pneumatic cut-off knife (23) for cutting is positioned right above a film between a rolling tension measuring roller (11) and a rolling guide roller I (12), one end of an air pipe (27) connected with the pneumatic cut-off knife is connected with an outlet of an electromagnetic valve (24) for controlling the action of the pneumatic cut-off knife, and the other end of the air pipe is connected with an inlet of an air cylinder of the pneumatic cut-off knife;
the PLC host is a 1756-L81E type host OF Rockwell, the digital quantity output module is a 1756-OB32 module OF Rockwell, the analog quantity input module is a 1756-IF8 module OF Rockwell, the analog quantity output module is a 1756-OF8 module OF Rockwell, and the touch screen is a 2711P-T10C22D9P screen OF Rockwell; the unwinding servo driver, the traction servo driver, the winding servo driver 1 and the winding servo driver 2 are Kinetix5700 type servo drivers of Roxwell, the winding tower frequency converter is a Powerflex527 type frequency converter of the Roxwell, the four feedback connection external members are 2198-K57CK-D15M type universal encoder feedback connection external members of the Roxwell, and the PG card is a 25-ENC-2 type PG card of the Roxwell;
the Ethernet switch is respectively connected with the Ethernet interfaces of the PLC host, the touch screen, the unreeling servo driver, the traction servo driver, the reeling servo driver I, the reeling servo driver II, the reeling tower frequency converter and the swing roller position encoder through Ethernet interfaces and network cables; the output of the unreeling servo driver is connected to the input end of an unreeling alternating current motor to drive the unreeling alternating current motor; the output of the traction servo driver is connected to the input end of the traction alternating current motor to drive the traction alternating current motor; the output of the first winding servo driver is connected to the input end of the first winding alternating current motor to drive the first winding alternating current motor; the output of the second winding servo driver is connected to the input end of the second winding alternating current motor to drive the second winding alternating current motor; the output of the winding tower frequency converter is connected to the input end of the winding tower alternating current motor to drive the winding tower alternating current motor; the unwinding coder is connected with the unwinding servo driver through a feedback connection kit, the traction coder is connected with the traction servo driver through a feedback connection kit, the winding coder I is connected with the winding servo driver I through a feedback connection kit, the winding coder II is connected with the winding servo driver II through a feedback connection kit, and the winding tower coder is connected with the winding tower frequency converter through a PG card;
the output analog quantity signals of the ultrasonic unreeling roll diameter transmitter, the two unreeling tension transmitters, the two reeling tension transmitters and the ultrasonic reeling roll diameter transmitter are connected to an analog quantity input module and used for a PLC host to obtain tension and roll diameter change signals, and the PLC host controls a servo driver through an Ethernet switch, so that the rotating speed of the driving roller is adjusted to realize constant tension control; a coil of the electromagnetic valve is connected with the digital output module, and after the winding tower rotates by 180 degrees, the PLC host controls the output of the digital output module to enable the electromagnetic valve to act, so that the pneumatic cutter is driven to act, and a film is cut; the input signal end of the proportional valve is connected with the analog quantity output module, and the PLC host controls the output of the analog quantity output module to change the opening of the proportional valve and change the air pressure in the roller swinging cylinder, so that the position of the swinging roller is changed, and the aim of stabilizing the tension is fulfilled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021285344.9U CN213802191U (en) | 2020-07-03 | 2020-07-03 | Constant tension control device of film winding machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021285344.9U CN213802191U (en) | 2020-07-03 | 2020-07-03 | Constant tension control device of film winding machine |
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| CN213802191U true CN213802191U (en) | 2021-07-27 |
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| CN202021285344.9U Expired - Fee Related CN213802191U (en) | 2020-07-03 | 2020-07-03 | Constant tension control device of film winding machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117438668A (en) * | 2023-12-21 | 2024-01-23 | 深圳市曼恩斯特科技股份有限公司 | Tension control method and device for lithium battery winding equipment and tension control model |
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2020
- 2020-07-03 CN CN202021285344.9U patent/CN213802191U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117438668A (en) * | 2023-12-21 | 2024-01-23 | 深圳市曼恩斯特科技股份有限公司 | Tension control method and device for lithium battery winding equipment and tension control model |
| CN117438668B (en) * | 2023-12-21 | 2024-03-29 | 深圳市曼恩斯特科技股份有限公司 | Tension control method and device for lithium battery winding equipment and tension control model |
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