SU1497675A2 - Apparatus for assembly of commutator bars of electric machine in process ring - Google Patents

Abstract

The invention relates to electrical engineering and can be used in the assembly of collector plates in the process ring. The aim of the invention is the expansion of technological capabilities by ensuring the assembly of plates with a stepped profile and shorter shims. The device for assembling the collector plates of the electric machine into the process ring comprises a rotary plate 1, a receiving device 2 with annular projections 3 with channels 9 and 10 for passing the collector plates 14 and insulating gaskets 15, a stepped mandrel 11 for accommodating collector plates and insulating gaskets, a punch 21 with a protrusion 22. On the rotary plate 1 above the receiving device 2 there is a coaxially mounted element for pre-compression of the plate pack, made in the form of a sleeve 6 with a tapered bore 7 and a slot 8 for SETTING technological rings 5. The device also contains petals, fortified by forming the cylindrical surface of the mandrel opposite the lower stage slots greater degree, the thickness of the petals is equal to the width of the grooves. 5 il.

Description

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FIG. 2

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casing machine into the technological ring contains a rotary plate 1, a receiving device 2 with annular projections 3 with channels 9 and 10 for passing the collector plates 14 and the insulation of 1 additional gaskets 15, a stepped mandrel for accommodating the collector plates and ISOLA1 ON1 gaskets The rotary plate 1 above the receiving device 2 is coaxial with it. The invention relates to electrical engineering and can be used to assemble the collector plates into the process ring.

The aim of the invention is the expansion of technological capabilities by ensuring the assembly of plates with a stepped profile and shorter shims.

Fig. 1 shows a device for assembling the collector plates into a process ring, - a view; FIG. 2 shows the device at the time of assembly of the plate pack; in fig, 3 -. mandrel; Fig, 4 - upper and lower cylinders of the mandrel; FIG. 5 shows a collector plate with a stepped copper profile and an insulating gasket shortened in height.

A device for assembling the collector plates of an electric machine into the process ring contains a rotary plate 1 (FIG. 1) associated with a turning mechanism thereof (not shown and provided, for example, with two receiving devices 2 with annular projections 3 for assembling the plate pack A, Dia. receiving device 2 is larger, mr diameter of the stack of plates 4 by the amount necessary for free movement of the plates relative to each other in the vertical direction and rotation of the stack 4 in the process

his recruitment. The size of the annular protrusion 3 should be sufficient to hold the assembled plate pack in the receiving device 2. The second half of the working part of the collector plate protruding beyond the annular protrusion 3 is necessary to transport the bag when it is pressed into the process ring 5. plates, made in the form of a sleeve 6 with a tapered bore 7 and a nest 8 for mounting process rings 5. The device also contains petals fastened along forming a cylindrical n the mandrel surface at opposite grooves stage more stages, wherein the thickness of the petals is pgirine grooves 5-yl,

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a rotary plate 1 above the receiving device 2 coaxially with it is installed an element for pre-crimping the package of plates 4, made in the form of a sleeve 6 with a tapered bore 7 and slot 8 for mounting the process rings 5. The rotary plate 1 has two channels 9 and 10 (FIG. 2) for the passage of collector plates and insulating gaskets. Under the pivot plate 1 (FIG. 1), in the assembly area of the stack of plates of the receiving device 2, a mandrel 11 is located coaxially with it, which is associated with a turning and moving mechanism in a vertical position (not shown). The mandrel 11 (FIG. 3) is made stepwise from two separate cylinders of different diameter,

Along the cylindrical surface forming a smaller stage 12 of the mandrel, there are reinforced petals 13, the height of which is equal to the difference in heights (H - h) of the collector plate 14 and the insulation strip 15 (FIG. 5), and the thickness is not greater than the thickness of the insulation strip. A large 16 mandrel 11 is fitting and its outer diameter is equal to the diameter of the central hole 17 of the lower cylinder 18 of larger diameter, whose height is approximately half the length of the insulation strip 1. The outer surface of the cylinder 18 has grooves 19 coaxially with petals 13 to accommodate insulating gaskets, which for free entry of the latter are made with chamfers. The protrusions 20 of the cylinder 18 forming the grooves 19 are designed to install the collector plates along the end between insulating gaskets placed in the grooves 19, and the number of grooves 19 and

the protrusions 20 are equal to the number of collector plates and NON-STRING gaskets. The diameter of the lower cylinder 18 (FIG. 3) must be less than the diameter of the assembled stack of plates A (FIG. O. A channel 10 for passing collector plates (FIG. 2) is located at the channel 9 for passing insulating gaskets to the height of the lower cylinder 18 of the mandrel 1 1 .

The device is equipped with mechanical supply mechanisms for insulating gaskets 15 and collector plates 14, as well as shops for them (not shown). A jack 21 (FIG. 1) is provided above the jack 8, provided with a projection 22, the inner diameter and height of which is greater than the height and diameter of the lower stage of the mandrel 11 (FIG. 3), and for the free movement of the die 21, its outer diameter is less than the minimum diameter of the tapered bore 7 sleeves 6.

Under the pivot plate 1 in the area of pressing in the plate pack 4 coaxially with the receiving device 2, there is a punch 23 for pressing the plate pack A into the process ring 5

A device for assembling the collector plates into the process ring operates as follows.

The mandrel 11 (figure 2) is inserted into the receiving device 2 so that the lower ends of the grooves of the lower cylinder, 18 are below channel 9, and its upper end is below channel 10 in order to avoid pinching of the plates during their insertion into the slots of the assembly mandrel 1 1, Insulator pads 15 are inserted through the channel 9 from the magazine with the help of the pusher, into the grooves of the mandrel 11. At the same time, they are fixed in the slots 19 of the lower cylinder 18 (FIG. 3 of the mandrel 11, for example, half their length, and cylinder 18, resting on petals 13 of lesser degree 12 of the mandrel 11, thereby creating grooves for the collector plates 14 (FIG. 2). After inserting the insulating gasket 15, the mandrel 11 rotates through the collector pitch; The groove formed by the insulation pads 15 is several times larger in size than the thickness of the inlet part (dovetail zone) of the collector plate 14, which ensures its free entry, taking into account all the holes and errors of manufacturing the spindle 11 and turning mechanism. The collector plates 14 are mounted on the upper end of the lower 1st cylinder 18 (FIG. 3) of the mandrel.

11 and the fastening part (dovetail) abut against the cylindrical working surface between the petals 13 of the lower stage 12 of the mandrel P. Thus, after a complete set

All plates receive two packages that are offset, for example, by half the length of the collector plate, a package of collector plates 14 and a package of insulating gaskets 15 (Fig. 2).

Next, the punch 21 (Fig. 1) is lowered and the end of the high end 22 inserts a package of collector plates 14 into the package of insulating gaskets 15, thus producing their combination. With

at the same time, the mandrel 1I descends and goes beyond the limits of the rotary plate 1. After the package has been formed, Gshastin 4, the punch 21 takes up its original position, and the package is pl.

remains in the receiving device on the annular protrusion 3. Then the plate 1 is rotated to the next position so that the receiving device with the plate pack 4 is located above the punch 23. Then the punch 23 transports the plate pack through the sleeve 6, in which the preliminary compression of the bag in the conical hole 7 and presses the package in the process ring 5. The punch 23 is in its original position, and the finished package in the process ring 5 goes to the next operation.

Claims (1)

Invention Formula The device for assembling the collector plates of an electrical machine into a technological ring according to aut., Ev, no. 830603, distinguishes the EI the fact that, in order to expand the technological capabilities by ensuring the assembly of plates with a stepped profile and shorter strips in height, the mandrel is provided with petals arranged along a smaller steps of the mandrel opposite the grooves of a larger step, while the thickness of the petals is equal to the width of the grooves. 111. 4-23 Mf FIG. f about 13 sixteen i3 FIG. Compiled by A.Linev Editor T.Lazorr.nko Tehred M.Didyk Proofreader 0.Kravtsova Order. 4 51/52 Circulation 615 VNIIPI State Committee for Inventions and Discoveries at 1 CST of the USSR 113035, Moscow, Zh-35, Raushsk nab., 4/5 n " Fig.} ig.5 Subscription