SU1142398A1 - Device for winding tape material - Google Patents

Abstract

1. A DEVICE FOR WINDING A BELT MATERIAL, the advantages of film are those that contain a roll drive and a mechanical sensor of the current roll diameter, kinematically associated with the transducer. In the electrical signal, the output of which is connected to the input of the servo drive through the unit for setting the force of the material, it is so that, in order to simplify the device, the servo drive is kinematically connected with the mechanical sensor of the current roll diameter. 2. The device according to claim 1, wherein the kinematic connection of the sensor of the current diameter of the roll with the transducer into an electric signal is made in the form of a gear, the axis of one of the gear wheels of which is connected to the servo drive shaft.

Description

The invention relates to winding devices (specifically, devices for winding tape materials, such as film). A device for winding tape material, containing a roll current and a mechanical sensor of the current roll diameter, is kinematically connected with a transducer for moving into electrical into a signal, the output of which is connected to the input of the servo drive lj. The disadvantage of the known device is the complexity of the design, due to the necessity of using a special actuator to regulate the force of pressing the material in the roll. The purpose of the invention is to simplify the device. The goal is achieved by the device for winding tape material, mainly film film, containing a roll drive and a mechanical sensor of the current roll diameter, kinematically connected with a transducer of movement into an evil signal, whose output through the material pressing force setting unit is connected to the input servo drive, servo shaft is kinematically associated with a mechanical sensor of the current roll diameter. The kinematic connection of the sensor of the current diameter of the roll with the transducer of displacement into an electrical signal is made in the form of a gear transmission, the axis of one of the gear wheels of which is connected to the servo drive shaft. The drawing shows a device for winding tape material. The device contains a winding roll 1, an unwinding roll 2 and when water 3 (electric motor) is roll 1. Mechanical sensor of the current roll diameter is made in the form of lever 4 with pressure roller 5. Lever 4 is kinematically connected with gear 6 (gear), one of the gear the wheels of which are associated with the servo drive 7. The output of the transmission 6 is connected to the transducer 8 moving into an electrical signal. The servo drive 7 is connected to the output of the functional converter 9, the input of the converter 8 connected to the output. The converter 9 can be executed, for example, in the form of a magnetic amplifier. The converter 8 is connected to the control winding 10 of the servo drive 7, as well as to the resist & 11 and tuning potentiometer 12. The position 13 designates the switch-on contacts of the device. The device works as follows. For rewinding from the unwinding roll 2, the end of the tape material (film) is pulled under the lever 4 and fixed on the axis of the winding roll 1. The film is pressed against the winding roll 1 using a pressure roller 5. Consistently with the winding 10 of the control of the functional converter 9 (magnetic amplifier) A resistor 1-1 is turned on, the resistance value of which determines the small voltage applied to the servo drive 7, therefore the clamping force is small. As a servo-drive 7, it is most expedient to use a soft characteristic asynchronous motor, for example, a motor with a massive ferromagnetic rotor. Since the torque developed in this mode by the electric motor 7 is small, the clamping force is also small, which makes it easy to retract and bring the lever 4 when installing and removing the wound roll. When the contact 13 is turned on, the voltage is applied to the drive motor .3 and the rewinding of the coil starts, while the other contact 13 short-circuits the resistor 11. The magnetic amplifier 9, used as a functional converter, opens more and more, and the torque of the motor rises to coil diameter (in this case, the position of the diameter gauge). The motor 7 is inhibited, which is carried out by focusing the pressure roller 5 into the winding roll 1. 1-. The pressing force of the film F is determined from the following relationship:. lvi-g-3 the moment of the electric motor 7; before the gearbox number of 6; the distance from the center of the pressure roller 5 to the axis of rotation of the lever 4.

J11423984

As the winding increases, the di-moment and pressure of the film increases.

The meter of the windable roll 1 and the slider of the windable roll, the converter 8 moves downwards. Choosing diameter sensors with different increasing resistance in the circuit by the functional dependencies

control rolls of functional 5 resistance from moving the engine,

converter Voltage on the elec-

The drive motor 7 is reduced and soot-F f (D), where D is the diameter of the rotating coil, which is woundly reduced.

Claims (2)

1. DEVICE FOR WINDING TAPE MATERIAL, mainly film, containing a roll drive and a mechanical sensor of the current roll diameter, kinematically connected with a transducer for moving into an electrical signal, the output of which is connected to the input of the servo drive, from In addition, in order to simplify the device, the servo shaft is kinematically connected with a mechanical sensor of the current roll diameter. 2. The device according to π. 1, the fact that the kinematic connection of the sensor of the current roll diameter with the displacement transducer to the electric signal is made in the form of a gear transmission, the axis of one of the gears of which is connected to the servo shaft. 1 1142398