SU143922A1 - Machine for isolating relay cores of the PKM and PC-13 type with an insulating tape - Google Patents

Description

On eBoods that manufacture electromagnetic relays of the PKM and PC-13 type, isolate steel cores (with insulation tape manually) The proposed machine automates the process of isolating the specified cores, from which the productivity of insulating cores with an insulating tape increases significantly.

In the proposed machine, a U-shaped cutting knife equipped with a figured spring for pressing the cut piece of insulating tape to the core, and a spring-loaded pressure roller rolling the insulating tape H.I of the core surface as it passes past this roller when the turret rotates

 To fasten the insulating tape when cutting it and pulling it through glue rollers, pivoting levers are attached to the revolver head and pressed onto the jumpers of the turret.

To dry isolated cores, the machine contains 8-socket drying cassettes, periodically turned by a ratchet mechanism.

The machine has a mechanism for feeding insulating tapes from a roll, for which a toothed roller is used to cut the fringe along the edges of the tape and a sagging roller to automatically control the drive motor.

According to the authors, two such machines were manufactured at the Leningrad plant Radio Operator and are in operation.

The drawing shows the kinematic diagram of the machine.

№ 1439222

The steel cores to be wrapped with insulating tape are placed in a circular chamber / containing about four cores. The insulating tape is wound onto a roll 2. From the cartridge of the card, one by one is transferred to the turret using a feeding mechanism, which operates as follows:

As lever 3 moves to the right, its occipital part pushes the latch 4 of the cartridge back. At the same time, the pin 5 of the clamp 6 pushes against the stop 7 and allows the core to fall into the open clamp, where the core is fixed by the spring 8. During its reverse, the lever 3 releases the latch that overlaps the slot of the cassette. B. The leftmost position of the lever 3 aligns the axis of the workpiece (relay core) with the axis of the clamping centers of the turret, which has ten pairs of clamping centers and rotates from the ratchet mechanism relative to the axis LL. The clamping of the workpiece in the centers of the turret is made by the spring 9 after the lever 10 with a wedge copier / U drops down and releases the flute 12 In the lower position the lever / O with a wedge copier U / pulls the clamping center with a flush 13 and releases the finished core, past all processing operations. The finished core is fed to a discharge cassette. When the workpiece is clamped, the lever J of the feed mechanism begins to reverse, the clamp 6 rests against the workpiece clamped in the centers and, opening, bypasses it. The next moment, the turret starts turning, which occurs under the action of the cam 14, the levers 15, 10, ratchet / b and pawl 17. The turret head rotates when the lever 10 moves with the wedge copier // up, while the wedge copier // and the turning moment is under the flange Y and moves with it the clamping center in an outdated condition. SRI moves to the loading position.

Position is free. At the third position, the first sticking of the insulating tape takes place. It is in this position that the end of the tape should be clamped at the initial start of the machine. The clamping of the tape is carried out by clamps 18 fixed on the turret and operated from the cams 19 through the pusher 20, the spring and the rail 21 coupled to the 1-track 22 fixed on the same axis with the clamps.

Jumpers 23 fastening the cheeks of the turret are used as the lower support for clamping the tape. Cams / unreliable. The clamping of the tape occurs at the moment of turning the turret. During the next dividing turn, the tape, clamped with tacks, as if wound on the gates 23 of the turret and on the workpiece clamped at the centers, simultaneously pulled between the rollers 24 and 25 of the glue bath 26K at the end of the dividing turn tape, clamped with tacks, eye. imposed on the workpiece.

The tape is clamped with stitches and cut with a knife 27. which has a special cutting edge profile, allowing you to cut the varnished cloth without the lower knife

A spring clip 28 is fixed on the knife, which at the end of the knife stroke presses the end of the tape to the core and bends the cut end down. In this position, the mechanism is 5-6 seconds in order to produce the initial gluing of the tape.

After passing the fourth position (segment position), the tape is not fully adhered to the core. During the next pivot turn, the roar of the 1-door head has a core with partially iriclein (u1

the tape passes by the spring-loaded roller 29, which, rolling around the core, sticks the remaining end of the tape.

The next dividing turn of the position head transfers the core with the end of the tape attached to it to the winding position. During this turn, the straps are opened, releasing the end of the tape, which is held on the point of the jumper only by glue. The tape is wound as follows: Cam 30 is connected by a spring 31 and lever 32 to the gear coupling 33, and cam 34 presses the guide and sealing roller 35 attached to lever 36. From cam 37, the sector 38 moves, which transmits rotation through the pinions 39 and 40 of the gear coupling 33, and the latter transfers the rotation to the center 4J, on which there is a leash 42 engaging with the cheek of the core. The core, rotating, winds a tape of a varnished cloth on itself, while the roller 35 during the winding constantly presses the winding tape to the core. The end of the tape with the force of winding is pulled off the web 23. At the end of the winding, the cams 37, 30 and 34 return the mechanisms controlled by them to their original position. The seventh position of the machine is designed to clean the jumper from the glue remaining on it. This is accomplished with a round brush, which has been lowered into the bath 43 with the solvent from the bottom. The dropped core falls into the groove of the cassette 44. Each groove of the cassette includes 8 parts. After the slot is filled, the cassette moves one step, which is carried out by the cam through the lever, pull 45, double-arm lever 46 and pull 47 using a mechanism consisting of two ratchets 48, 49, gear 50 and rail 51. The ratchet 48 sits on Axles 52 are free - Both ratchets have 8 teeth each. The diameters of the depressions, except for one, of the ratchet 48 are somewhat larger than the diameter of the protrusions of the ratchet 49. The ratchets have a common pawl 53, which for seven cycles engages only with the ratchet 48, and during the eighth cycle, when the pawl sinks into the eighth, deep trench, it engages with the second ratchet 49, turns it and together with it gear 50, which moves the rail 51 with the cassette attached to it by one turn. After filling, the cassette 44 pushes the limit switch 54 as it moves, and the machine stops. A similar mechanism is used to rotate the loading cassette 55 one turn. The ratchet 56 sits freely on the axis BB and also has one deep depression which ensures switching on after seven cycles of the second ratchet 57, and the latter transmits the rotation of the cassette 55. The locking mechanism of the loading cassette has a locking mechanism 58 and a latch 59 for precise installation of the cassette.

The feed and fringing mechanism of the tape operates in the following way; the tape in the form of a roll is fixed on the axis 60. Its winding is carried out by the rollers 61 and 62. The bottom roller is made of wire, it has teeth along the edges that cut through the fringe. Rotation is carried out by an electric motor. As the engine rotates, the loop increases, pulled out by the lever 63 with roller 64. When the loop reaches a predetermined value, the stop screw attached to lever 63 presses the limit switch "turns off the RDP electric motor.” - Next, the tape goes to the rollers 65 and 25 of the adhesive bath 26. Glue is applied to the surface of the tape with a roller 66 fixed inside the bath. The glue is applied while the belt is moving while the turret is turning.

- 3 -.YO 143922

No. 143922- 4 The machine performs the following operations: banging the tape, applying glue to the tape, cutting off a measuring piece of varnished cloth, feeding the core for wrapping, wrapping the core and laying the cores in drying cassettes. A full cycle of work, ending with the issuance of the finished product, is performed in 10 seconds. Before and after

Claims (2)

1. A machine for insulating the RCM and PC-13 relay cores with an insulating tape, containing a multi-position turret with clamps for fastening the relay cores, alternately activated by means of coupling couplings, store supply for supplying the cores to the turret clamps, the device for applying glue and drive, characterized in that, for the purpose of improving performance, are applied together. A Y-shaped cutting knife, provided with a figured spring for pressing the cut piece of insulating tape to the core, and a spring-loaded roller, which rolls the tape on the surface of the core as the turret moves to the step division. 2. The machine tool according to claim 1, characterized in that for fastening the insulating tape during its cutting and pulling through the glue rollers, pivoting levers hinged on the turret head and pressed by means of a cam gear to the jumpers of the turret 3 are used. - 1 and 2-use of 8-slot cassette, moved by ratchet mechanism for drying insulated cores. 4.In the machine tool for un. 1 and 2 - use of a mechanism for feeding insulating tape from a roll, using a toothed roller to cut the fringe on both edges of the tape and a sagging roller for automatically controlling the drive of a 1m motor