SU688962A1 - Machine for winding armatures of commutator electric machines - Google Patents

Description

one

The invention relates to manufacturing equipment for the manufacture of electrical machines and can be used in electrical engineering.

A known machine for winding the core 1, comprising a drive, a mechanism for fixing and rotating the core, a device for tensioning the wire, a mechanism for fixing the leads of the winding sections, drove. The package of the core with the shaft and the collector is clamped on both sides by cams having a spherical surface for guiding the wire. The winding of the core is carried out by two carriers rotating in opposite directions.

In a known machine, winding can be performed with an automatic layout of the section leads on the lamellae of the colorector of such Koreas, in which there is a gap between the frontal part of the sections and the collector, which is sufficient for laying the wire into the grooves of the package during winding.

Such a design of a known machine does not ensure that the frontal part of the winding is located close to the collector, which increases the dimensions of the core, and the absence of a device for fixing and pressing the collector onto the shaft of the core reduces its productivity.

The pelting of the present invention is to increase the productivity of the machine and reduce the size of the core to ensure the winding of the core when the collector is located close to the frontal part of the winding.

The goal is achieved by the fact that the machine is equipped with a device for fixing and pressing the collector onto the shaft of the core, which is located coaxially with the mechanism for fixing and rotating the core and made in the form of a sleeve with a groove on the outer generatrix associated with the drives. rotation mounted inside the sleeve, connected to the drive of its reciprocating movement, and inside the sleeve there is a rod with a protrusion located in the sleeve groove and a hole in the end of the mechanism for fixing and turning the box.

FIG. 1 shows the kinematic diagram of the machine; in fig. 2-5 - technological sequence of the operations of fixing and pressing the collector onto the shaft of the core; in fig. 6 - a device for fixing and nansing collector on the shaft of the core. The machine contains a fairing 1, secured. it is free on the shaft 2. At the working surface of the fairing there is a notch to cover the winding rotor. For damage / 1n rotation of the spinner 1 as the shaft rotates, it is made unbalanced. The shaft 2 runs through the yoke 3, forming a splined joint with it without rotation. On the shaft 2, the carrier 4 is rigidly fixed with rollers to direct the windable winding to the fairing 1. In addition, the shaft 2 of the free rotation is connected with the holder 5, which is connected with the slide 6 with the rod of the pneumatic cylinder 7. At the extreme points x the slide 6 is in contact with limit switches 8 and 9. On the holder 3, the gear 10 is rigidly fastened, fastened to the gear 11, rigidly fixed on the shaft 12, which is connected to the left end of the output shaft of the gearbox 13, and on the like end of the output shaft of the gearbox there is a fixed locking cam one time Ina clutch 14. The output shaft of the reducer is connected to the gears rotating from the electric motor by electromagnetic clutches 15 and 16, the irich clutch 15 includes the nominal speed and the clutch 16 is the technological winding speed. At the left end of the shaft 17, in the slots, a single-teeth cam nolumufta 18 is installed, in which the lower end of the rotation of the lever 19 enters the disturbed annular opening of the lever 19. The lever is connected with the distributor 21 to the injector arm 20. servant for retraction or disengagement, but a given program of cables equals 22-25. The springs 26-29 serve to lift the corresponding cor- rosion cables upwards. On the left side of the switchgear 21, the cams 30 and 31 are installed, which act on the limit switches 32 and 33. The lever 19 acts in the right-most naked conditioner on the limit switch 34. The mechanism for fixing and turning the core is designed to fix the installation's correct knowledge, transfer it on the position of the winding of the winding of the next section. The anchor with the rear end of the shaft is installed in the collet socket 35, rigidly connected to the front end of the shaft 36 mounted for rotation and non-locking along the axis. The outer cone of the collet 35 is enclosed by the inner cone of the sleeve 37 mounted on the shaft 36 and the pulling collet through the spring 38. The rear end of the shaft 36 is free to rotate when connected with a leash 39, the roller of which enters the cam groove of the rotary drum 40. Rigidly fixed on the shaft 36 the gear wheel 41 is in zaneiliy with a gear wheel 42 rigidly fixed on its shaft. On the same shaft, a guard 43 is rigidly fastened in contact with a pawl 44 pivotally connected to the corner lever 45. The corner pivot lever is connected to the end of the control cable 23 connecting it to the distribution device 21. The spring 27 serves to return the angular lever 45 to its original ( Clockwise) position. A device for fixing and nanoressing the collector is non-hazardous for temporarily fixing the collector on it, fixing the front end of the core, closing and opening the collector lamellae, turning the collector after winding each section, pressing the collector onto the non-thin end of the shaft of the cor. The free rod 46 rotates through the through axial bore of the sleeve 47, which is installed with the possibility of rotation and is not displaced axially relative to the sleeve 48 in its through axial bore. The stand 49 of the rod 46 enters the groove of the sleeve 47, ensuring that it moves along the axis of the rod 46 and rotates together with the rod 46. On the front side of the Hinge 46 there is an opening for fixing the shaft box. The outer surface of the sleeve 47 is made in the form of a gear te.tea, which is engaged with the gear wheel 50, which together with the ratchet 51 is rigidly fixed on the shaft 52. The ratchet 51 contacts the dog 53 pivotally connected to the angular lever 54, which, in its the queue is connected pivotally to the end of the cable by Unraplep 24, which connects it to the distribution device 21. The outer 28 serves to return the angle lever 54 to its original position (clockwise). In the outer annular groove of the bushing 47 15KHOD1GG with its upper end is a bipodal arm 55, and fixed at the lower end of the lever, the puller fits into the cam groove of the cylindrical cam 56, rigidly fastened on the shaft 57, which rotates from the shaft 58. on the limit switch 60. On the sleeve 48, there is a nailet covered by a fork of the lever 61. The upper end of the lever 61 is pivotally connected to the end of the cable of the control 25, connecting the lever 61 to the distribution device 1. The mechanism for gripping the end of the string 62 is rednaz It was started to capture the tip and after the winding of the last section, removing it to the side of the nose and cutting it off. Tension device 63 is designed to tension the wire during its winding. The working fixtures of the section latching mechanism are 64 TI 65 crimps. The collector 66 is mounted on the rivet 67. The air distribution is distributed to the 68) SERVICE for iodine to the non-stocked iolum of the pneumatic cylinder 7.

Works as follows.

The preparatory final operations on the machine are hand-made, and the operations associated with the cage itself. - automatically.

The initial position of the working bodies is as follows.

Fairing 1 is retracted from the middle of an eanka, sleeve 47 and sleeve 48 are retracted to the rear extreme position, the mechanism for gripping the end of wire 62 with the end of the wire fixed in it is retracted to the extreme position from the middle of the machine, rods 64 and 65 are divorced, panga 35 is retracted to the rear end position and decompressed.

The bobbin wire is drilled through the tensioning device 63, the center shaft 2, the rollers of the carrier 4 and its end is closed in the gripping mechanism of the end of the wire 62.

The collector 66 taps at the front end of the rod 46. The anchor 67 at the rear end of the vessel, which arises, is thrown into the opening of the collet 35. The bar 40 turns and, through the leash 39, the shaft 36 of the collet 35 moves to the front extreme and the right. In this case, the sleeve 37 moves away from the back stop and the spring 38 tightens the collet 35, the rear end of the core shaft is fixed in the socket of the collet, and the front end of the shaft core is fixed in the hole in the front end of the rod 46. This completes the preparatory operations.

Pressing the button on the well, press the button, it will automatically turn on the machine mode.

By pressing the control unit on the control panel, the air distributor 68 n turns on the air enters the non-stocked floor of the centrifugal 7 and through the slide 6, the holder 5, the shaft 2, the fairing, the other 1 is mixed to the middle of the machine, and it is covered by an iron core 67,

At the end of the stroke, the rocker 6 presses the limit switch 9, which activates the electromagnetic clutch 16 n electropneumatic valve 69,

By activating the electromagnetic clutch 16 from the gearbox 13, the technological speed (it is significantly less than the rated speed) of winding n is transmitted to its output shaft through the shaft 12, gears 11, 10, the holder 3 and the shaft 2 it is transferred to the carrier 4. The first group of turns is wound. This is due to the fact that the wire is deflected by the carrier 4, guided to the fairing 1 and, sliding off from it, is placed in the paired grooves of the core.

At the same time with the stitching of the electromagnetic coupling 16, the electromechanical valve 69 is turned on, the air is injected into the non-flowing cavity of the central cylinder 20, which causes the lever 19 and turns to the left, bringing the cam single tooth to the left, the bumper is filled. the tooth of the single-toothed cam of the clutch 18 and rotates it, causing the input shaft of the switchgear 21 to rotate,

Paličn ку on cam hubs 14 18 18 only for one tooth ensures that the switchgear 21 is turned on in the strictly defined position of the carrier 4, which is necessary for B151 to eliminate the operations carried out by the work bodies during the period of effective winding at a technological speed.

The first turn, slipping from the flap 1, meets the scallop of the collector 66 and is encircled around it, forming a loop hooked on the comb. Pos, those of the control cable 25 watts are knocked out to the distributive} 21 device, which causes the lever 61 to turn clockwise, the sleeve 48 does not move forward, shifting the comb1K1 of the collector 66. At the last turn of the carrier 4, the coiled wire passes the comb, 4, 1, sleeves on the sleeve 48.

After the hooking, 1 loop of the wire on the comb, 11T are eu, it is not a few turns of the carrier 4 at a technological speed for securing the first turns in the slots of the core. After completing the last turn of the first group of internal switches, ku, 1 punch 30 presses the limit switch 32 and turns off the actuator coupling 16 and the electrotransmitter valve 69, the output valve, which opens, and the rod of the pneumatic cylinder 20 moves to the same position, disconnects the single teeth. semi-tracts 14 and 18.

At the end of the stroke, the pneumatic rod, 1ndrov 20, presses the limit switch 34, wk, stitching, tectromagnetic clutch 15, Wk, rotating, pectromagnetic clutch from the gearbox 13, the output winding shaft is transmitted to the output shaft, through the shaft 12, gears 11, 10, the holder 3, the shaft 2 is transferred to the DRIVER 4, the houseware of the first section occurs. After winding up the first section, the revolution counter 70 otk, stitches e, 1 electromagnetic sleeve 15 and through the time relay Vk, stitches the electromagnetic coupling 16 and electropneumatics 69, Vk, stitches the second .1; ex ohlogic turns are the same and the group, and the second time, the switching device 21 is turned on,

When performing the second group of turns, the following occurs.

At a certain moment of rotation of the carrier 4, control cables 23 and 24 are drawn into the corns of the switchgear 21. The lever 45 rotates counterclockwise and through the pawl 44, ratchet 43, gears 42, 41, the shaft 36 rotates the collet 35 with lock 67 in one step groove: cor. The lever 54 rotates but clockwise and through eobachku 53, ratchet 51, shaft 52, gear wheel 50, sleeve 48, bore 49, rod 46 rotates the collector 66, one stroke of the slats, the tray of the next comb in the pakid zone on him withdrawal seknyi.

After rotation of the collector root, control cables 23 and 24 are released from the housing of switchgear 21. Lever 45 is rotated clockwise to its original position by the action of spring 27, and pawl 44 slides through ratchet tooth 43. Lever 54 is rotated counter-clockwise by action of spring 28 in the original but, the identity, and the dog 53 slips through the ratchet tooth 51.

At a further turn, the carrier 4 triggers the control 25 to be released from the housing of the distribution device 21, the lever 61 under the action of springs :; 29 rotates counterclockwise, and sleeve 48 retreats to the rearmost position, opening the manifold scallops. Tempered from the spinner 1, the wire is encircled around the scallop of the lamella, forming a loop hooked on the comb.

Upon further rotation of the carrier, the control cable 25 is drawn into the switchgear 21, which causes the lever 61 to rotate clockwise, and the sleeve 48 moves forward, closing the collector 66's scallops. At subsequent revolutions of the carrier 4, the wire passes the collector combs sliding along the sleeve 48.

After the end of the second group of turns, the nominal winding speed is switched on the second time, as well as after the end of the first group of turns.

The cycle, the state of the operations performed in the second group of turns, is repeated in front of the side of each section at the nominal winding speed.

After the winding of all sections from the revolution counter 70 El, the technological winding speed is turned on. In this case, the control cable 22 is lowered from the housing of the switchgear 21. Under the action of the spring 26, the gripping mechanism of the end of the wire 62 approaches the fairing 1, meets the wire, catches it.

After this, the control cable 22 is drawn into the housing of the distribution device 21, the grip of the mechanism 62 is retracted from the fairing 1. During the retraction, the wire is reflected from the core side, and the end of the wire from the reel is trapped in the gripping mechanism of the end of the wire.

Upon further rotation of the carrier 4, the control cable 25 is released from the housing of the switchgear 21 and, according to the scheme described above, the sleeve 48 retracts, opening the scallops of the lamellae of the collector 66.

When the last technological revolution is completed, the cam 31 presses the limit switch 33, which turns off the electromagnetic clutch 16, the electro-pneumatic clan 69 and the air distributor 68.

Air from the air distributor 68 pushes into the non-rod of cylinder 7, rocker 6 swings the node of the action of the pneumatic cylinder and through the holder 5, shaft 2 pulls the fairing 1 from the core 67. In the extreme position of the rocker 6 acts on the mechanism of fixing the conclusions of the section Crimps 64 and 65 bring you closer to a pair of opposite combs of the slats and bend them to the lecturer, thereby fixing the output of each section on the collector. Before crimping the next pair of lamella scallops, measles and ko, 1: the pivot is turned on one gig.

Upon completion of fixing the leads of all sections, the drive 58 is turned on, the vrashayupy shaft 57 with cams 56 and 59 on the scallop of the slats.

From the cam 56, through the lever 55, the sleeve 47 slides forward along the rod 46, removes the collector 66 from the end of the rod 46 and presses the core 67 onto the shaft, after which the sleeve 47 with the same lever 55 returns to the rear end position.

Ku 59, having made one revolution, it affects the limit switch 60, iObbiii in. The drive 58 stands by. At this end, the automatic cycle of the machine operation.

By turning the reel 40 through the leash 39 and the shaft 36 of the collet 35, it moves to the rear end position. At the end of the stroke, the sleeve 37 puts a flat stop, the collet 35 moves relative to the sleeve 37 and opens. The coiled measles is removed from the machine.

This machine provides an increase in the output of the spike at 1:; prepared electric motors, and also ensures the winding of the core when the collector is located close to the frontal part of the winding.

F o rmu l invention

A machine for winding a Korean collector electric, containing a drive, mechanisms for fixing and turning the core, a device for tensioning the wire and for fixing the leads of the winding sections, poured, and sh; and with the fact that, in order to ensure the performance, as well as to reduce the size ;; core by providing a core winding when the collector is located close to the frontal part

winding machine is equipped with a device for fixing and pressing the collector on the shaft of the core mounted coaxially with the mechanism for fixing and rotating the core and made in the form of a sleeve with a groove on the outer forming surface associated with the drives of its reciprocating movement and rotation which is installed inside sleeves connected to drive it

reciprocating movement, and inside the sleeve a shtanga is installed with a protrusion located in the groove of the sleeve, and a hole at the end of the mechanism for fixing and rotating the core.

Sources of information taken into account in the examination 1. US patent X 3892366, cl. 242-7.05, 1975.

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