• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    1. DEVICE FOR TEMPORARY THREADING OF THE THREAD DURING THE DELIVERY, containing a thread-storage drum mounted for a tangential winding and axial removal of the thread from the stationary bearing housing a brake device to interrupt the winding of the thread on the drum, the thread-wound element rigidly connected to the axis of rotation aligned with the drum, and the drive, the driven shaft of which is connected with the axis of the nitamating element by means of an electromagnetic mechanism, the magnet winding of which is connected to said probe, characterized in that, in order to simplify its manufacture and increase reliability in operation, the clutch mechanism magnet is arranged in a ring located concentrically relative to the driven shaft of the drive and rigidly secured relative to the supporting body, and the coupling mechanism contains the surrounding winding of the magnet electrically conductive KOZH5GH consisting of two separate parts, the first and which are mounted for rotation on bearings and rigidly connected to the driven shaft of the drive, and the second is fixedly mounted in the housing, partially overlaps the first overlap and forms with it a closed magnetic circuit of the power lines and an annular gap consisting of sections of different widths alternating uniformly around the perimeter, at the same time, on the axis 8 of the thread-winding element the electrically conductive ring, which is included in the gap between the parts of the casing, is fixedly fixed. 2. The device according to claim 1, characterized in that the portions of the parts are Overlapped are placed parallel to the axis of rotation of the thread spinner. 4 3. The device according to claim 1, which is a braking device that contains a ring electromagnet located 90 concentrically with respect to the axis of the bar, fixedly fixed in the main body and forming with it a closed loop of magnetic field lines and annular gap, and an electrically conductive ring located in the latter, rigidly connected to the back of the electrically conductive ring of the clutch mechanism, wherein said gap is made similarly to the interlocking between the parts of the clutch casing and the magnet winding braking device
    公开号:SU1149869A3
    申请号:SU813315695
    申请日:1981-08-06
    公开日:1985-04-07
    发明作者:Густаво Сарфати Альберто；Бианчи Массимилиано；Рива Эрмете
    申请人:Собревин (Фирма)；
    IPC主号:
    专利说明:

    on with probe for controlling the number of turns.
    4. Device on PP. 1 and 3, characterized in that the part of the casing of the annular magnet of the braking device and the movable part of the casing of the clutch mechanism forming said annular gaps are jagged to provide a variable width of the gaps.
    5. The device according to claim 1, wherein the conductive ring of the clutch mechanism
    secured to the axis of the threading element by means of a cup-shaped base of light metal, and the movable part of the casing has a shape similar to that of the base, and is housed therein.
    6. The device according to claim 4, characterized in that the outer surfaces of the teeth of the magnet housing of the braking device and the movable part of the clutch mechanism casing are bent in the direction of the corresponding magnet.
    The invention relates to the textile industry, in particular to a temporary accumulation device for the yarn during the feeding. A device for temporarily accumulating a yarn during the feeding process, comprising a thread storage drum mounted in a stationary supporting body, a dp tangential winding and axial removal of the yarn from it, a device for metering the yarn to the drum, having a number of turns in the last probe for controlling the number of turns, associated with a brake device for interrupting the winding of the yarn on the drum, the yarn element, rigidly connected to the axis of rotation aligned with the drum, and the drive whose driven shaft connects ene with axis nitenamatyvayuschego element posred- sgvom electromagnetic clutch mechanism, which magnet winding is connected to the probe D disadvantage of the known device is that it works with wear and tear caused by continuously pushed and vodvigaemym during operation, interacts with other details thereof, the disk clutch. In addition, due to the clutch disc that is moved in the axial direction, precise tolerances must be maintained, which are hard to maintain and which increases the production costs. Moreover, the rate of passage of the threads in such a feeding device does not meet all the requirements. The invention is based on the creation of a device for the temporary accumulation of threads with lower manufacturing costs and no difficulties during installation, so that, along with a slave attachment device, an increased transmission speed is achieved without using a clutch device. The aim of the invention is to simplify manufacture and increase reliability in operation. To achieve this goal, the clutch mechanism magnet is in the form of a ring located concentrically relative to the driven drive shaft and rigidly fixed to the bearing body, and the clutch mechanism contains the surrounding winding of the electrolyte magnet: a conductive casing consisting of two separate parts, the first of which is installed with rotation on the bearings and rigidly connected to the driven shaft of the drive, and the second fixedly mounted in the housing, partially overlaps the first overlap and forms with it a closed contour There are magnetic field lines and an annular gap consisting of uniformly alternating sections of different widths along the perimeter, while an electrically conductive ring, which is included in the gap between the parts of the casing, is fixed on the axis of the thread loosening element. Here, the portions of the parts of the housing-overlapping are arranged parallel to the axis of rotation of the thread-wound member. In addition, the braking device contains a ring electromagnet concentric with the axis of the drum, fixed in the bearing housing and forming with it a closed loop of magnetic power lines and an annular gap, and located in the last conductive ring rigidly connected to the ring part of the conductive clutch mechanism the aforementioned gap is made similarly to the gap between the parts of the casing of the clutch mechanism, and the braking magnet of the braking device is connected to the probe dp con trol number of turns. Moreover, a part of the casing of the annular magnet of the braking device and the movable part of the casing of the clutch mechanism, which form annular gaps, are made toothed to provide a variable width of the gaps. The conductive ring of the adhesion mechanism is fixed on the axis of the nitrating element by means of a cup-shaped base of light metal, and the movable part of the casing has a shape similar to that of the base, and is placed in it. The outer surfaces of the teeth of the body of the magnet of the braking device and the movable part of the casing of the clutch mechanism are bent in the direction of the corresponding magnet. The proposed device for the grip practically works without wear. If a stationary ring magnet mounted concentrically to the axis of the accumulator case, receives a voltage, then through a part of the case permanently connected to the drive, the ring is captured, rigidly connected to the driven axis and entering the gap. The variable gap width defines a variable field in the circumferential direction. Well, components that are moved in the axial direction of the accumulator case are not required, since the 4fTo mounting tolerances are in the radial directions and can be easily and precisely observed from the same direction of manufacture. This simplifies installation. The speed of passage of the threads exceeds 1600 m / min in a highly sensitive mode of operation. If the storage case is filled, the coil of the ring magnet, controlled by the probe device, receives voltage. If a predetermined length of filament turns is located on the accumulator case, the supply of voltage is disconnected through the probe device, after which the braking device takes effect. In the proposed device, rotating and fixed parts of the body have overlapping partial portions. In this case, the partial portions extend in parallel in the axial direction, which gives advantages when mounting parts of the feeding device. In addition to lightweight installation, there are advantages associated with reduced costs for maintenance or repairs. I A compact, easily mounted braking device using existing parts of the clutch device is achieved due to the fact that the second ring of electrically conductive material entering the gap that is formed by the fixed case of the second mounted concentrically to the the axis of the storage ring body, the ring magnet and which has a width varying in the circumferential direction. Moreover, the winding of the magnet, controlled by the probe device, alternately with respect to the winding of the annular magnet of the coupler device, can be connected to the voltage source. This means that when the coupler is operating, the coil of the ring magnet of the braking device does not receive voltage. If, on the contrary, the accumulator case has received an appropriate number of thread turns arranged next to each other, then the probe fixture turns off the power supply to the winding of the linking powering device and turns on the power supply to the power winding of the brake 51, so that the driven axle decelerates immediately. At a time, when the gap width is varied with the help of teeth and tooth pits on the circumferential edge of the shelf of one part of the body radially outwardly directed. To obtain a decrease or increase in the number of revolutions during the deposition of the thread on the accumulator body, a speed counter is provided for the driven axle. controls the supply of current to the ring magnet of the coupling device. The advantages in weight saving and installation technology are achieved due to the fact that It is mounted on a bowl-shaped supporting element, predominantly of light metal, which is housed in a similarly made rotating part of the body, with both parts in the area of their bowl-shaped bottom having an axial connection. The advantageous design also consists in the fact that the teeth at their free end have a bend extending in the direction of the winding of the ring magnet. FIG. Figure 1 shows the feeder device, the fixed body of the storage ring, longitudinal section; in FIG. 2, section A-A in FIG. one; in fig. 3 section bb in fig. one; in fig. 4 is a feeding device with a rotating accumulator body, longitudinal section. The feeding device (Fig. 1) contains a cylindrical body 1, which perceives rolling bearings 2 on the body section 3 made as a step. In rolling bearings 2, a drive axle 4 is seated on the floor, carrying a drive disc 5. The inner end of the drive axle 4 is connected to a radially directed cup-shaped bottom 6 of the rotating part 7 of the housing. The part 7 and the fixed part 8 of the body, made of soft iron, surround the fixed winding 9 of the ring magnet 10 mounted concentrically to the drive axis 4. The fixed part 8 of the body has a V-shape in cross section so that the shelves 8.8 they are parallel to the drive 96 axis 4. The partial section formed by the shelf 8 and the partial section 7 passing to it and the rotating part 7 of the housing are overlapped while maintaining a narrow gap. The part bent from section 7, the shelf 7 passing radially outward, has a bend 7 passing in the direction of the winding 9. A gap 11 is provided between the stationary 8 and the rotating 7 parts of the body so that the variation of the width of the gap can be accomplished with the help of the teeth 12 and the depressions 13 of the teeth on the circumferential edge of the rotational part 7 of the body 7 radially outward. This gap includes a ring 14 made of an electrically conductive material (e.g. copper). It is seated on a cup-shaped, made of light metal, carrier element 15, which is housed in a similarly made rotating part 7. In the area of its bowl-shaped bottom 16, the carrier element 15 is connected with a driven axis passing radially outwardly from the flange 17 to the driven axis passing through the drive axis 4. On the support element 15 opposite to the ring 14 entering the axially parallel clearance into the gap 11, there is a second ring 19 of electrical wire common material. This ring enters the gap 20, which is formed stationary, made of soft iron, Kopnycc i of the second ring magnet 21 mounted concentrically to the driven axis 18. The gap 20 also has a circumferentially variable width defined by the teeth 22 and the valleys of the 23 teeth . The fixed housing is made of two parts in such a way that the radially outwardly directed shelf 24 of the housing part 23 bends in the direction of the winding 26 of the ring magnet 27. A tooth 28 and a depression 29 of the teeth of the other part 30 are located opposite the teeth 22 and the hollows 23 of the teeth. The slave axis 18, in turn, is in the bearings 31 of the housing 1. At its opposite end of the drive, the driven axis 18 is stepped in a stepwise manner and is there in the ps bearings of the rolling 32 of the body 33, accumulate. At the front of the housing 33, the ilksmshtat is fitted with a holder for the thread guide, which is fixed to the driven axle 18 by means of a key. At the end of the storage body 33 protruding on the thread guide, there is an eye 35 of the thread guide.
    A thread is reeled on the accumulator body 33 through the opening 36 and from there it enters the radial opening 37 of the thread guide holder 34, which passes into the eye 35 of the thread guide. From the eyelet 35 of the thread guide, the thread is guided to the conical expansion 38 of the storage body 33, which passes into the cylindrical drum wall. The carrier element 39 is installed in the storage housing 3 with the possibility of longitudinal movement. For its longitudinal rearrangement, a central bolt 40 is used. In the carrier element 39 with an inclination at an acute angle to the axial line of the axis of the accumulator housing, which is in line with the drive and driving axles, openings for receiving round rods 41 are provided with uniform distribution at an angle The rods 41 pass through the corresponding slots 42 of the storage housing 33 and are located with the intersection of the storage mouth 43 of the storage housing. The layers of the filament therefore fall first on the conical expansion 38 and then on the round rods 41 and 6 oK of the storage housing. The latter includes the surrounding brake ring 44. The thread P passes from the feeding device through the lugs 45 of the nozzle 46 concentrically surrounding the housing 33 of the accumulator. On the thread holder holder 34, there is a radially protruding spur 47, to which the rev counter 48 belongs. The storage body 33 has (indicated by an arrow) a probe 49 that is acted upon by a thread accumulator F that is wound on the housing 33. The probe 49 can be made in the form of a light gate (photocell) that controls the switch 50. The principle of the device is as follows. The magnet 10 is fixed and a casing consisting of two parts (parts) 7 and 8. A part 8 of the casing of the mouth
    The stationary part 7 sits on a rotating axis, which is driven from the belt pulley through the disk 5. As in any magnet, the magnetic case concentrates the magnetic lines of force (Figs. 1 and 4), which are almost without loss the fixed part 8 to the movable part 7 of the casing, since
    both parts of the housing overlap in their regions 7 and 8. The casing 7, 8 of the magnet 10 now forms an uneven gap 11, which has a variant of the cross section lying in the circumferential direction (FIG. 2), and the magnetic field along the gap varies from part l to part of the casing 8. Teeth 12 and the cavity between the teeth , provided (see the circumstances) between the two teeth, now contribute to the fact that the magnetic field varies in the direction of the circle and, accordingly, is different depending on the location (this change is represented in Fig. 2 by means of Foot rot ™ floor). A ring I4 of electrically conducting material enters the gap, which is formed in the direction of the circumference alternately from the teeth and the hollows between the teeth. If a magnet is now turned on, the existence of a magnetic field changing in the circumferential direction in the gap 11 causes the ring to be carried into rotation by various induction actions in certain parts of the ring. Ring 14 sits on the axis of rotation for the storage drum. Only by turning on the magnetic field can the rotation of the storage drum be ensured. If the magnetic field is now turned off, the ring 14 will stop. Accumulation51 the drum will not rotate as well, i.e. for the coupling and disengagement of the storage drum, no movement of any parts (parts) is required. Due to this, the device works without wear and with a short delay time. If it is necessary to achieve non-contact braking of the drum (without a mechanically movable brake part), then the same principle can be applied to the brake device. FIG. Figures 1 and 4 mark the path of the magnetic field lines for the 2t related to this brake magnet. In this case, there is a magnetic gap, which in the direction of the circumference has teeth and depressions, i.e. relative to its cross section varies. This gap includes a ring 19 of electrically conductive material. If a current is connected to the magnet 21, the ring 19 stops. This occurs at the moment when the current for the coupling magnet 10 is turned off.
    As long as the turns of the threads P wound on the accumulator case 33 do not act on the probing device 49, the interrupter 50 is in the position indicated by solid lines in FIG. 1. Therefore, the winding 9 of the ring magnet 10 does not receive voltage. The body 14 entering the gap 11 between the fixed part of the body 1 and the part continuously driven by the drive axis 4, the body 7 of the ring 14 is gripped without mechanical contact, whereby the ring 14 rotates the driven axis 18 through the supporting element 15. the turn drives the eyelet 35 of the thread guide around the storage body 33.
    With the help of a controlled spur 47 of the holder of the thread guide 48
    rotations can be controlled by applying current to the ring magnet 10 of the coupling device. If the number of threads of the thread reaches a value acting on the probe device 49, it moves the switch 50 to the position shown in FIG. 1 dotted line. Then, the winding 9 of the ring magnet 10 does not receive voltage. Then, the braking coil 26 of the ring magnet 21 is energized. Through the housing 19 entering into the gap 20 (housing parts 30 and 25) ring 19, the driven axis 18 is slowed down. After removing the threads from the drive body, switching can be performed again with a very high sensitivity and fast tempo. At the same time, the gap width determines a variable field located in the circumferential direction.
    The designs of the coupling and brake devices (Fig. 4) of the second embodiment correspond to the designs of the coupling and brake devices of the first variant. According to the second variant, the drum case 51 of the accumulator is rigidly mounted on the driven axle 18. The thread feed is not carried out through the drive 4 and slave 18 axes. The thread is fed tangentially to the accumulator body in a zone 52 of its conical expansion using a feeder (not shown).
    7
    W
    /four
    7
    FIG. 2
    23
    24
    20
    FTS.Z
    权利要求:
    Claims (6)
    [1]
    1. A DEVICE FOR TEMPORAR ACCUMULATION OF THREADS DURING THE FEED, containing a thread-accumulating b'araban mounted in a fixed carrier body for tangential winding and axial removal of thread from it, a device for dosed filing of thread on a drum having a probe connected to the number of turns connected in the last with a brake device for interrupting the winding of the thread on the drum, a threading element rigidly connected to the axis of rotation located coaxially with the drum, and a drive, the driven shaft of which is connected to the axis thread winding element by means of an electromagnetic clutch mechanism, the magnet winding of which is connected to the said probe, characterized in that, in order to simplify its manufacture and increase reliability, the clutch magnet is made in the form of a ring located concentrically relative to the driven shaft of the drive and rigidly fixed relative to the bearing housing, and the clutch mechanism comprises an electrically conductive casing surrounding the magnet winding, consisting of two separate parts, the first of which is installed Lena can rotate on bearings and is rigidly connected to the driven shaft of the drive, and the second is fixedly mounted in the housing, partially overlaps the first lap and forms a closed loop of magnetic force lines and an annular gap with it, consisting of sections of varying widths uniformly alternating around the perimeter, while on the axis of the thread winding element, an electrically conductive ring is fixedly fixed, which enters the gap between the parts of the casing.
    [2]
    2. The device pop. ^ characterized in that the parts of the parts of the casing, located overlapping, are placed parallel to the axis of rotation of the thread winding element.
    [3]
    3. The device according to p. ^ Characterized in that it is brake ; the device comprises a ring electromagnet located concentrically relative to the axis of the drum, fixedly mounted in the bearing body and forming a closed loop of magnetic lines of force and an annular gap with it, and an electrically conductive ring located in the latter, rigidly connected to the rear of the electrically conductive ring of the clutch mechanism, wherein said gap Similarly, the gap between the parts of the casing of the clutch mechanism, and the magnet coil of the brake device is connected to the probe to control the quantity itkov.
    [4]
    4. The device according to paragraphs. 1 and 3, characterized in that the part of the housing of the annular magnet of the braking device and the movable part of the casing of the clutch mechanism, forming said annular gaps, are gear to provide a variable width of the gaps.
    [5]
    5. The device according to p. 1, characterized in that the electrically conductive ring of the clutch mechanism is fixed to the axis of the yarn winding 1 element through a bowl-shaped base made of light metal, and the movable part of the casing has a shape similar to the shape of the mentioned base, and is placed in it.
    [6]
    6. The device according to p. 4, characterized in that the outer surface of the teeth of the magnet housing of the brake device and the movable part of the casing of the clutch mechanism are made curved in the direction of the corresponding magnet.
    ί
    类似技术:
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    同族专利:
    公开号 | 公开日
    ZA815021B|1982-07-28|
    ES8301176A1|1982-12-01|
    DE3031260A1|1982-03-25|
    KR830006494A|1983-09-24|
    US4478375A|1984-10-23|
    KR850000738B1|1985-05-24|
    AT23511T|1986-11-15|
    DE3175596D1|1987-01-02|
    EP0046187A1|1982-02-24|
    GB2082212A|1982-03-03|
    BR8105285A|1982-05-04|
    IN156394B|1985-07-13|
    ES504756A0|1982-12-01|
    CS235006B2|1985-04-16|
    GB2082212B|1984-08-22|
    CA1157249A|1983-11-22|
    PT73521A|1981-09-01|
    GR74623B|1984-06-29|
    PT73521B|1982-11-05|
    AR223946A1|1981-09-30|
    EP0046187B1|1986-11-12|
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    CA1124818A|1978-10-18|1982-06-01|Charles W. Brouwer|Loom storage feeder improvement|JPH0144814B2|1981-11-25|1989-09-29|Toyoda Chuo Kenkyusho Kk|
    FR2523162B1|1982-03-08|1984-11-23|Cheboxarsky Mashstr Zavod|
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    TWI382109B|2010-01-22|2013-01-11|Tien Yang Knitting Machinery Co Ltd|Yarn storage device with electromagnetic clutch and yarn detection method|
    DE102012024759A1|2012-12-18|2014-06-18|Maschinenfabrik Niehoff Gmbh & Co Kg|Winding device for stranded winding material|
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    DE19803031260|DE3031260A1|1980-08-19|1980-08-19|DELIVERY DEVICE FOR RUNNING THREADS|
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