Its characteristics are:
1 start speeding process: at the instant of start, the tension needs to overcome the large static friction of the coil, so the braking force of the unwinding vector motor is small at this moment, and the same process is accelerated, the tension needs to overcome the dynamic friction of the coil, and at the same time, the roll needs to be overcome. The material accelerates the resistance so that at this time, the power of the unwinding vector electric mechanism should be smaller than that required for a uniform operation.
2 constant speed operation process: the unwinding tension controller forms a closed loop through the feedback of the swinging roll at the feeding place, and controls the unwinding vector motor to stabilize the unwinding tension; at the same time, discharging the swinging roller also helps to eliminate the misalignment of the reels.
3 stop and deceleration process; unwinding vector electric mechanism needs to brake the coil material inertia force, but also need to maintain a constant tension of the coil, so at this time unwinding vector electric power should be greater than the uniform operation process needs.
2. Feed traction unit The main structure of the feed traction is a double roller pair roller type, including a steel roller and a rubber roller, wherein the steel roller is driven by a single servo motor with a power of 1.5 KW. The rubber roller consists of two rollers. The cylinder achieves clutch pressure and the pressure is adjustable. The feed tension is controlled by the servo motor swing roller and the automatic tension controller, and the central control cabinet coordinates the centralized control and operation. This section mainly includes:
a. Feeding tension controller;
b. feeding servo motor swing roller;
c. feed traction servo motor;
d. swing roller displacement detection device;
e. pneumatic device;
f. Feed pull roller.
Its characteristics are:
1 start speeding process: start moment, according to the feeding servo motor swing roller position, feed traction servo motor line speed setting than the version roller line speed, the same, small three states.
2 constant speed operation process: feed traction tension controller through the feeding swing roll feedback constitute a closed loop, according to the version of the roller speed control servo motor to obtain a stable unwinding tension.
3 Stopping and decelerating process: The feed pulling tension controller forms a closed loop through the feedback of the swinging roller at the feeding place, and controls the servo motor to obtain a stable unwinding tension according to the version roller speed.
3. The main structure of printing unit The printing unit is mainly composed of printing plate roller, embossing roller, doctor blade device, adjustment roller, ink supply system, cooling system, printing lighting, printing gear box and other components. Plate roller adopts shaft separation type, plate roller installation adopts pneumatic cone head clamping mode, can achieve axial adjustment, automatic and manual operation, adjustable distance is ± 10mm. The embossing roller is in the form of a through-shaft rubber roller and a swing roller to prevent the material film from being stretched to affect overprinting. The pressure roller lifting and lowering device can lock the position of the rubber roller when it stops, and it can protect the rubber roller. The pressure of the rubber roller to the plate roller can be adjusted through the pressure regulating system, and a special guide rail bracket is designed, which is simple and convenient when replacing the pressure roller. The button that controls the lifting and lowering of the press roller is set on the transmission surface and the operation surface, and the operation is very convenient. In order to overcome defects such as thickness unevenness on both sides of the printed substrate, an adjustment roller is provided before the printing material enters each printing unit. The squeegee device adopts the most advanced pneumatic pressure method. As the diameter of the plate roller changes, the position of the squeegee blade can also be adjusted by lifting, rotating, and retracting the hand wheel. The squeegee pressure is adjusted by the air pressure reducing valve, and the squeegee's movement is driven by the gear box. The range of each swimming movement is ±5 mm. Each time the plate roller rotates 10 turns, the blade moves once. Each color drying cabinet adopts a double-layer closed structure to enhance the drying effect. The ink supply device is composed of an ink fountain lifting mechanism and an ink fountain, and the printing roller adopts a spray ink type. The cooling system consists of a cold-blowing roll and a water-cooled roll for cooling the heated film. The ink circulation system uses a diaphragm pump to cycle ink. Another optional ink viscosity control device to automatically control the ink viscosity.
4. The main structure of the discharge traction unit is the double-roller-roller type, including a steel roller and a rubber roller. The steel roller is driven by a servo motor with a power of 1.5KW. The rubber roller consists of two rollers. The cylinder achieves clutch pressure and the pressure is adjustable. The feed tension is controlled by the servo motor swing roller and the automatic tension controller, and the central control cabinet coordinates the centralized control and operation. This section mainly includes:
a. Discharge tension controller;
b. servo motor swing roller;
c. discharging traction servo motor;
d. swing roller displacement detection device;
f. pneumatic device;
g. discharge traction roller;
h. Counting instrument.
Its characteristics:
1 start speeding process: the platen roller press, the platen roller servo motor starts to drive the film to run at the same time, according to the discharge traction servo motor swing roller position, the discharge traction servo motor line speed setting is larger than the roller speed, the same two In this state, the platen roller does not press down, and the servo motor of the plate roller starts to run first. At this time, the discharging traction servo motor will automatically place the swing roller to the tensioning position. When the platen roller presses down, the roller Before and after the position, the discharge traction servo motor will run at the same speed and speed as the roller speed.
2Hydraulic operation process: The discharge tension controller outputs a closed loop through the feedback of the swing roller at the discharge, and the servo motor is controlled according to the roller speed to obtain a stable unwinding tension.
3 Stopping and decelerating process: The discharging tension controller forms a closed loop through the feedback of the swinging roller at the discharging place, and controls the servo motor to obtain a stable unwinding tension according to the roller speed of the printing plate.
5. The main structure of the rewinding unit The rewinding section is a self-contained dual-arm, double-station rotary revolving frame. In the time of roll change, the material is automatically cut, and the operation is convenient. The winding unit controls the use of two vector motors with a power of 4KW to drive the two material shafts. Thanks to the use of vector motors, the speed range of the control is wide, with good performance at both low and high speeds. The winding tension can be feedbacked by the swing roll at the receiving place to form a closed loop for automatic control. There is a speed reducer on the operation surface to drive the rotary arm for 360° rotation and positive control in both directions. The gas receiving shaft adopts the gas rising shaft and the transverse adjustment of the material roll adopts the hand wheel, worm gear and worm structure. This section mainly includes:
a.Swing arm reducer;
b. Two groups of gas rising shafts;
c. winding roll displacement detection device;
d. winding vector motor;
e. automatic cut switching device;
f. Winding tension controller. Its characteristics are:
1 start speeding process: instant start, tension to overcome the large static friction material, so at this time winding vector motor winding force needs to be larger, the same acceleration process, tension to overcome the dynamic friction of the coil, but also need to overcome The winding material accelerates the resistance, so the winding force of the winding vector motor should be larger than that required during the constant speed operation.
2 constant speed operation: the winding tension controller forms a closed loop through the feedback of the swinging roller at the receiving position, and controls the winding vector motor to obtain a stable winding tension; at the same time, the receiving swing roller also helps to eliminate the misalignment of the winding material.
3 Shutdown and deceleration process: The winding vector motor needs to brake the inertia force of the coil material, and also need to maintain the constant tension of the coil material. Therefore, the rewinding vector motor rewinding force should be smaller than the uniform speed operation process.
1 start speeding process: at the instant of start, the tension needs to overcome the large static friction of the coil, so the braking force of the unwinding vector motor is small at this moment, and the same process is accelerated, the tension needs to overcome the dynamic friction of the coil, and at the same time, the roll needs to be overcome. The material accelerates the resistance so that at this time, the power of the unwinding vector electric mechanism should be smaller than that required for a uniform operation.
2 constant speed operation process: the unwinding tension controller forms a closed loop through the feedback of the swinging roll at the feeding place, and controls the unwinding vector motor to stabilize the unwinding tension; at the same time, discharging the swinging roller also helps to eliminate the misalignment of the reels.
3 stop and deceleration process; unwinding vector electric mechanism needs to brake the coil material inertia force, but also need to maintain a constant tension of the coil, so at this time unwinding vector electric power should be greater than the uniform operation process needs.
2. Feed traction unit The main structure of the feed traction is a double roller pair roller type, including a steel roller and a rubber roller, wherein the steel roller is driven by a single servo motor with a power of 1.5 KW. The rubber roller consists of two rollers. The cylinder achieves clutch pressure and the pressure is adjustable. The feed tension is controlled by the servo motor swing roller and the automatic tension controller, and the central control cabinet coordinates the centralized control and operation. This section mainly includes:
a. Feeding tension controller;
b. feeding servo motor swing roller;
c. feed traction servo motor;
d. swing roller displacement detection device;
e. pneumatic device;
f. Feed pull roller.
Its characteristics are:
1 start speeding process: start moment, according to the feeding servo motor swing roller position, feed traction servo motor line speed setting than the version roller line speed, the same, small three states.
2 constant speed operation process: feed traction tension controller through the feeding swing roll feedback constitute a closed loop, according to the version of the roller speed control servo motor to obtain a stable unwinding tension.
3 Stopping and decelerating process: The feed pulling tension controller forms a closed loop through the feedback of the swinging roller at the feeding place, and controls the servo motor to obtain a stable unwinding tension according to the version roller speed.
3. The main structure of printing unit The printing unit is mainly composed of printing plate roller, embossing roller, doctor blade device, adjustment roller, ink supply system, cooling system, printing lighting, printing gear box and other components. Plate roller adopts shaft separation type, plate roller installation adopts pneumatic cone head clamping mode, can achieve axial adjustment, automatic and manual operation, adjustable distance is ± 10mm. The embossing roller is in the form of a through-shaft rubber roller and a swing roller to prevent the material film from being stretched to affect overprinting. The pressure roller lifting and lowering device can lock the position of the rubber roller when it stops, and it can protect the rubber roller. The pressure of the rubber roller to the plate roller can be adjusted through the pressure regulating system, and a special guide rail bracket is designed, which is simple and convenient when replacing the pressure roller. The button that controls the lifting and lowering of the press roller is set on the transmission surface and the operation surface, and the operation is very convenient. In order to overcome defects such as thickness unevenness on both sides of the printed substrate, an adjustment roller is provided before the printing material enters each printing unit. The squeegee device adopts the most advanced pneumatic pressure method. As the diameter of the plate roller changes, the position of the squeegee blade can also be adjusted by lifting, rotating, and retracting the hand wheel. The squeegee pressure is adjusted by the air pressure reducing valve, and the squeegee's movement is driven by the gear box. The range of each swimming movement is ±5 mm. Each time the plate roller rotates 10 turns, the blade moves once. Each color drying cabinet adopts a double-layer closed structure to enhance the drying effect. The ink supply device is composed of an ink fountain lifting mechanism and an ink fountain, and the printing roller adopts a spray ink type. The cooling system consists of a cold-blowing roll and a water-cooled roll for cooling the heated film. The ink circulation system uses a diaphragm pump to cycle ink. Another optional ink viscosity control device to automatically control the ink viscosity.
4. The main structure of the discharge traction unit is the double-roller-roller type, including a steel roller and a rubber roller. The steel roller is driven by a servo motor with a power of 1.5KW. The rubber roller consists of two rollers. The cylinder achieves clutch pressure and the pressure is adjustable. The feed tension is controlled by the servo motor swing roller and the automatic tension controller, and the central control cabinet coordinates the centralized control and operation. This section mainly includes:
a. Discharge tension controller;
b. servo motor swing roller;
c. discharging traction servo motor;
d. swing roller displacement detection device;
f. pneumatic device;
g. discharge traction roller;
h. Counting instrument.
Its characteristics:
1 start speeding process: the platen roller press, the platen roller servo motor starts to drive the film to run at the same time, according to the discharge traction servo motor swing roller position, the discharge traction servo motor line speed setting is larger than the roller speed, the same two In this state, the platen roller does not press down, and the servo motor of the plate roller starts to run first. At this time, the discharging traction servo motor will automatically place the swing roller to the tensioning position. When the platen roller presses down, the roller Before and after the position, the discharge traction servo motor will run at the same speed and speed as the roller speed.
2Hydraulic operation process: The discharge tension controller outputs a closed loop through the feedback of the swing roller at the discharge, and the servo motor is controlled according to the roller speed to obtain a stable unwinding tension.
3 Stopping and decelerating process: The discharging tension controller forms a closed loop through the feedback of the swinging roller at the discharging place, and controls the servo motor to obtain a stable unwinding tension according to the roller speed of the printing plate.
5. The main structure of the rewinding unit The rewinding section is a self-contained dual-arm, double-station rotary revolving frame. In the time of roll change, the material is automatically cut, and the operation is convenient. The winding unit controls the use of two vector motors with a power of 4KW to drive the two material shafts. Thanks to the use of vector motors, the speed range of the control is wide, with good performance at both low and high speeds. The winding tension can be feedbacked by the swing roll at the receiving place to form a closed loop for automatic control. There is a speed reducer on the operation surface to drive the rotary arm for 360° rotation and positive control in both directions. The gas receiving shaft adopts the gas rising shaft and the transverse adjustment of the material roll adopts the hand wheel, worm gear and worm structure. This section mainly includes:
a.Swing arm reducer;
b. Two groups of gas rising shafts;
c. winding roll displacement detection device;
d. winding vector motor;
e. automatic cut switching device;
f. Winding tension controller. Its characteristics are:
1 start speeding process: instant start, tension to overcome the large static friction material, so at this time winding vector motor winding force needs to be larger, the same acceleration process, tension to overcome the dynamic friction of the coil, but also need to overcome The winding material accelerates the resistance, so the winding force of the winding vector motor should be larger than that required during the constant speed operation.
2 constant speed operation: the winding tension controller forms a closed loop through the feedback of the swinging roller at the receiving position, and controls the winding vector motor to obtain a stable winding tension; at the same time, the receiving swing roller also helps to eliminate the misalignment of the winding material.
3 Shutdown and deceleration process: The winding vector motor needs to brake the inertia force of the coil material, and also need to maintain the constant tension of the coil material. Therefore, the rewinding vector motor rewinding force should be smaller than the uniform speed operation process.
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