SU781940A1

SU781940A1 - Tape-driving mechanism take-up/take-off unit

Info

Publication number: SU781940A1
Application number: SU792735722A
Authority: SU
Inventors: Владимир Андреевич Аксенов; Александр Исаакович Горон; Георгий Сергеевич Крылов
Original assignee: Предприятие П/Я Г-4149
Priority date: 1979-01-31
Filing date: 1979-01-31
Publication date: 1980-11-23

Description

Изобретение относится к накоплению информации, а именно к приемоподающим узлам лентопротяжных механизмов.The invention relates to the accumulation of information, namely to the receiving and receiving nodes of the tape drive mechanisms.

Известен приемо-подающий узел 5 лентопротяжного механизма, содержащий сердечник, установленный с воз-.......Known receiving and supplying unit 5 of the tape drive mechanism containing a core installed with a carrier -.......

можностью размещения в рулоне магнитной ленты и кинематически соединенный с ротором электродвигателя, обеспечивающий намотку магнитной ленты на рулон и ее натяжение при сматывании с него И ·the possibility of placing in a roll of magnetic tape and kinematically connected with the rotor of the electric motor, providing the winding of the magnetic tape on the roll and its tension when unwinding from it And

Недостаток известного приемо-подающего узла состоит в значительной 15 неравномерности намотки магнитной ленты на рулон.A disadvantage of the known pick-and-place unit is a significant 15 unevenness of the winding of the magnetic tape on the roll.

Известен также приемо-подающий узел лентопротяжного механизма, содержащий сердечник, смонтированный 20 между пластинами корпуса с возможностью размещения внутри рулона магнитной ленты и жестко соединенный с ротором электродвигателя, установленным с возможностью вращения соосно 25 валу и статору электродвигателя, снабженному обмотками, стробоскопический диск управления электродвигателем и электромагнитный тормоз, обеспечивающий относительно высокую равномер- J0 ность намотки магнитной ленты на руЛон £2] .Also known is a receiving and feeding unit of the tape drive mechanism, comprising a core mounted 20 between the plates of the housing with the possibility of placement inside the roll of magnetic tape and rigidly connected to the rotor of the electric motor mounted rotatably coaxially with the shaft 25 and the motor stator equipped with windings, a stroboscopic motor control disk and electromagnetic brake, which ensures relatively high uniformity of the magnetic tape winding on a roll of £ 2].

Недостаток подобного приемо-по- . дающего узла состоит в том, что он имеет большие габариты и массу.The disadvantage of such a trick. The giving node consists in the fact that it has large dimensions and mass.

Цель изобретения - уменьшение габаритов и массы приемо-подающего узла лентопротяжного механизма.The purpose of the invention is to reduce the size and weight of the receiving and supplying unit of the tape drive mechanism.

Цель достигается за счет того, что статор электродвигателя жестко соединен с валом, неподвижно укреплённым между пластинами корпуса и расположен в роторе электродвигателя, размещенном внутри сердечника и снабженном секторовидными постоянными магнитами, поляризованными в направлении оси его вращения. При этом секторовидные постоянные магниты расположены с противоположных сторон статора электродвигателя, а стробоскопический диск управления электродвигателем укреплен на роторе электродвигателя, выполненном с шарикоподшипниками, установленными на валу, соосно которому'иа одной из пластин корпуса укреплен эле'ктромагнитный тормоз.The goal is achieved due to the fact that the stator of the electric motor is rigidly connected to the shaft fixedly mounted between the plates of the housing and is located in the rotor of the electric motor located inside the core and equipped with sector-shaped permanent magnets polarized in the direction of its rotation axis. In this case, sector-shaped permanent magnets are located on opposite sides of the stator of the electric motor, and the stroboscopic electric motor control disk is mounted on the rotor of the electric motor, made with ball bearings mounted on the shaft, coaxial to which of one of the plates of the casing the electromagnetic brake is fixed.

На фиг. 1 показан приемо-подающий узел лентопротяжного механизма,’ на фиг. 2 - разрез А-А на фиг. 1.In FIG. 1 shows a receiving and feeding unit of a tape drive, ’in FIG. 2 is a section AA in FIG. 1.

Приемо-подающий узел содержит сер* дечник 1, смонтированный между пластинами 2 корпуса с возможностью размещения внутри рулона магнитной ленты |(рулон на чертеже не показан). Сердечник 1 жестко соединен с ротором 3 _ электродвигателя, выполненным из желе- * зо-никелевого сплава пермендюр и установленным с возможностью вращения соосно валу 4 и статору 5 электродвигателя, снабженному обмотками 6. Статор 5 электродвигателя, жестко соединен с валом 4, неподвижно укрепленным между пластинами 2 корпуса, и расположен в роторе 3 электродвигателя, размещенном внутри сердечника 1 и снабженном секторовидными по- 15 стоянными магнитами 7 из самарий-кобальта, поляризованными паЪал- лельно оси его вращения йрасположенными с противоположных сторон' статора 5 электродвигателя. Стробоскопический JO диск 8 управления электродвигателем укреплен на роторе 3 электродвигателя, выполненном с шарокоподшипниками 9, , установленными на валу 4. Соосно валу 4 на одной из пластин 2 корпуса __ укреплен электромагнитный тормоз, со- стоящий из подпружиненного якоря 10, расположенного против магнитопровода 11 с катушкой 12 с Ьозможностью перемещения по штифтам 13 и заклинивания ротора 3 электродвигателя. 30The receiving-supplying unit contains a core * 1 mounted between the plates 2 of the housing with the possibility of placement inside the roll of magnetic tape | (the roll is not shown in the drawing). The core 1 is rigidly connected to the rotor 3 _ of the electric motor, made of permeability iron * nickel alloy and rotatably mounted coaxially to the shaft 4 and the stator 5 of the electric motor equipped with windings 6. The stator 5 of the electric motor is rigidly connected to the shaft 4, fixedly mounted between plates 2 of the casing, and is located in the rotor 3 of the electric motor located inside the core 1 and equipped with sector-shaped 15 permanent magnets 7 of samarium-cobalt, polarized parallel to the axis of its rotation located opposite opolozhnyh sides' of the stator 5 of the electric motor. The stroboscopic JO disk 8 for controlling the electric motor is mounted on the rotor 3 of the electric motor, made with ball bearings 9, mounted on the shaft 4. Coaxial to the shaft 4 on one of the plates 2 of the casing __ an electromagnetic brake is installed, consisting of a spring-loaded armature 10 located against the magnetic circuit 11 s coil 12 with the ability to move through the pins 13 and jamming of the rotor 3 of the electric motor. thirty

Устройство работает следующим образом.The device operates as follows.

Электрический ток в обмотках б обеспечивает в статоре 5 электродвигателя создание вращающегося магнит- 35 ного поля, приводящего в состояние вращения ротор 3 электродвигателя.The electric current in the windings b provides in the stator 5 of the electric motor the creation of a rotating magnetic field 35, which rotates the rotor 3 of the electric motor into a state of rotation.

Предлагаемое изобретение позволяет в значительной степени уменьшить габариты и массу приемо-подающего узла лентопротяжного механизма и может быть использовано в лентопротяжных [механизмах, где перемещение магнит•ной ленты обеспечивается за счет на, мотки ее на рулон.The present invention allows to significantly reduce the size and weight of the receiving unit of the tape drive mechanism and can be used in tape drive [mechanisms where the movement of the magnetic tape is • ensured by winding it onto a roll.

Claims

The invention relates to the accumulation of information, namely to the receiving and receiving units of the tape-carrying mechanisms. A receiving-feeding unit of a tape-forming mechanism is known, comprising a core mounted with the possibility of placing a magnetic tape in a roll and kinematically connected to an electric motor rotor, which ensures the winding of a magnetic tape on a roll and its tension when winding from it fj. A disadvantage of the known receiving and feeding unit is the considerable unevenness of the winding of the magnetic tape on the roll. Also known is the receiving-feeding unit of the tape-breaking mechanism, which contains a core mounted between the plates of the housing with the possibility of placing a magnetic tape inside the roll and rigidly connected to the rotor of an electric motor mounted for rotation of the electric motor coaxially to the shaft and the stator of the windings, strobe disk motor control and an electromagnetic brake, which provides a relatively high uniformity of the winding of the magnetic tape on the roll 2. The disadvantage of such reception is. giving node is that it has large dimensions and weight. The purpose of the invention is to reduce the size and weight of the receiving and feeding unit of the tape mechanism. The goal is achieved due to the fact that the stator of the electric motor is rigidly connected by a shaft fixedly fixed between the plates of the case and located in the rotor of the electric motor placed inside the core and equipped with sectoral permanent magnets polarized in the direction of its axis of rotation. In this case, sectoral permanent magnets are located on opposite sides of the stator of the electric motor, and the stroboscopic motor control disk is mounted on the rotor of the electric motor, made with ball bearings mounted on a shaft, coaxially attached to one of the plates of the body, the electromagnetic brake is fixed. FIG. 1 shows the receiving and feeding unit of the leithopro station; in fig. 2 shows section A-A in FIG. 1. The receiving and receiving unit contains a core 1 mounted between the plates 2 of the case with the possibility of placing inside the roll magnetic tapes 1RULON (not shown). The core 1 is rigidly connected to a rotor 3 of an electric motor made of a pericodegoric nickel-alloy and rotatably mounted coaxially to the shaft 4 and the electric motor stator 5 provided with windings 6, the electric motor 5 is rigidly connected to the shaft 4, fixedly mounted to the motor shaft housing plates 2, and is located in the rotor 3 of an electric motor placed inside the core 1 and equipped with sectoral permanent magnets 7 made of samarium-cobalt, polarized parallel to its rotation axis and located vopolozhnyh storn stator 5 of the motor. Stroboscopic drive 8 motor control mounted on the rotor 3 elect | The motor is made with roller bearings 9 mounted on shaft 4. The shaft 4 on one of the plates 2 of the housing is strengthened by an electromagnetic brake consisting of a spring-loaded core 10 located opposite to the magnetic circuit 11 with a coil 12 and moving along the pins 13 and clearing rotor 3 electric motor. The device works as follows. The electric current in the windings b provides, in the stator 5 of the electric motor, the creation of a rotating magnetic field leading to the rotational state of the rotor 3 of the electric motor. The present invention allows to significantly reduce the size and weight of the receiving unit of the tape mechanism and can be used in tape mechanisms, where the movement of the magnetic tape is provided by its bundles on a roll. Claims The receiving-feeding unit of the tape-forming mechanism, comprising a core mounted between the plates of the housing with the possibility of placing inside a roll of magnetic tape and rigidly connected to the rotor of the electric motor mounted rotatably coaxially to the shaft and the stator of the electric motor equipped with a winding, stroboscopic control disk, an electric motor and an electromagnetic brake, characterized by the fact that, in order to reduce the size and weight of the receiving unit, the stator with electric motor is rigidly connected to a shaft fixedly fixed between the plates of the housing, and located in the rotor of an electric motor placed inside the core and fitted with (permanent permanent magnets / polarized in the direction of its rotation axis), and sectoral permanent magnets located on opposite sides of the stator of the electric motor, and the stroboscopic disk motor control mounted on the rotor of an electric motor, made with ball bearings, mounted on a shaft, coaxially with which on one of the plates of the housing ukr captive electro-magnetic brake. Sources of information taken into account in the examination 1. Kolischuk V. T. and others. Designing and recording of tape recorders. Kiev, Technique, 1-965, p. sixteen.

2. Japanese Patent 52-9369, cl. 102 E 214, 1977 (prototype).