RU2201824C2 - Line for making wire - Google Patents

Abstract

FIELD: wire production by slitting belt material. SUBSTANCE: line includes uncoiler, aggregate for butt welding, belt accumulator, multirow disc shears for slitting; apparatus for treating wire and winding apparatus with guiding mechanism. In front of winding apparatus multirow roller-type wire accumulator is arranged. Wire accumulator includes for each wire upper shaft mounted in wire accumulator with possibility of rotation by means of first rolling bearing assemblies; carriage having weight suspended to it and mounted with possibility of vertical motion; lower shaft mounted in carriage with possibility of rotation by means of second bearing assemblies; upper and lower sets of rollers. Each roller is mounted respectively on upper or lower shaft with possibility of free rotation. Each roller may be mounted on shaft by means of rolling bearing assembly. In order to increase volume of multirow wire accumulator the last may have several upper and lower shafts with set of rollers on each shaft. EFFECT: enhanced uniformity of wire winding, improved operational reliability of line. 3 cl, 4 dwg

Description

 The invention relates to equipment for the production of wire by slitting tape material.

 A known line for the production of wire containing the unwinder, the installation for butt welding, the tape drive, the correct device, multi-row disc shears for longitudinal cutting of the tape, the processing unit of the ribs of the wire, block dies and multi-section winding device. The tape drive is necessary to ensure a supply of material and process continuity during the installation of a new roll of tape on the unwinder and butt welding it with the end of the previous roll. The block of dies provides the formation of round wire from a rectangular (approximately square) wire. It is made movable in the transverse direction from a special drive and is a guiding device for the ordinary winding of each wire on its own section of the winding device. A wire processing unit is installed between the shears and the block of dies, which removes the burrs from the edges of the rectangular wires formed during the longitudinal cutting of the tape. The ribs are machined by a rotating abrasive tool, to the surface of which the wire is fed alternately by each rib by means of a roller guide system (RF patent 2102168, B 21 C 1/00, 12/20/95).

 In the process of processing the wire, it stretches, which is not the same for each wire. In addition, due to the deviation (within the tolerance) of the transverse dimensions of the wires, the diameters of the sections of the winding device with the same number of turns of wire wound on them will be slightly different. Since all sections of the drum rotate with the same angular velocity, the linear speeds of the individual wires during winding will differ in proportion to the deviation of the diameters of the sections. Due to these reasons, with a large number of simultaneously processed wires and continuous continuous operation, uneven density of the winding wires and their unequal tension by the winding device is possible, which negatively affects the reliability of the line.

 The aim of the invention is to increase the uniformity of the winding wire and the reliability of long-term operation of the line.

 This is achieved by the fact that in the line for the production of wire containing an unwinder, a butt welding machine, a tape drive, multi-row disc shears for longitudinal cutting, a wire processing unit and a winding device with a guiding mechanism, a multi-row roller wire store is located in front of the winder, including of each wire, the upper axis mounted in the drive with the possibility of rotation by means of the first rolling bearings, a carriage to which a load is mounted, suspended from possibility of vertical movement, a bottom axle mounted in the carriage for rotation by the second rolling bearing, the upper and lower sets of rollers, each roller being mounted respectively on the upper or lower shaft in a freely rotatable. Each roller in the drive can be mounted on an axis by means of a rolling bearing. To increase capacity, a multi-row drive can contain at least two upper and the same number of lower axles with a set of rollers on each axis.

 The invention is illustrated by drawings, where figure 1 schematically shows a line for the production of wire; in Fig.2 and 3 - a set of rollers, in Fig. 4 - drive for wire.

 An unwinder 1 for placing a roll 2 of tape material 3, a device 4 for welding the ends of the tape material end-to-end, a tape drive 5, multi-row circular shears 6 for cutting material 3 on a wire 7 and 8 of approximately square section, a node 9 for processing wire ribs are sequentially arranged in a line multi-row roller drive 10 of the wire and the winding device 11 in the form of a multi-section drum with a guide mechanism 12, movable in the transverse direction from the drive (drive not shown). For each group of wires 7 and 8, it is advisable to have a drive 10, a guide mechanism 12 and a winding device 11 in the line (they are shown only for the group of wires 7). If necessary, the production of round wire as a guide mechanism 12 can be installed block dies.

 The multi-row wire stacker 10 comprises, for each wire, an upper axis 13 mounted in the drive body by means of the first rolling bearings 14, a carriage 15 to which the load 16 is suspended, a lower axis 17 installed in the carriage in the rolling bearings 18, the upper and lower sets of rollers 19 and 20, and each roller is installed with the possibility of free rotation, respectively, on the axis 13 or 17 by means of a sliding bearing 21 or a rolling bearing 22. The sliding bearings are simpler in design and allow the drive to be made more mpaktnym. The use of rolling bearings with their lower friction allows to reduce the load on the wire created by the drive. The carriage 15 can move along the drive rails (not shown) down under the action of the weight of the load 16 and up due to the tension of the wire covering its rollers 20.

 The capacity of the multi-row drive 10 can be increased by the required number of times by increasing the number of upper and lower axles equipped with rollers (Fig. 4 shows a drive having three upper and three lower axes).

 The line is as follows. A roll 2 of tape material 4 is installed on the unwinder 1, the front edge of which is butt-welded to the rear edge of the previous roll by means of a welding device 4. During the installation of the roll and welding, the line does not stop, since the drive 5 has a sufficient supply of tape material. Further, the material passes between the circular knives of multi-row circular shears 6 and is cut into narrow strips - wires of approximately square cross section, and the wires through one are deflected by circular knives down (wire group 7) and up (wire group 8). In the processing unit 9, the edges of the wire are cut and the defects concentrated in these zones (burrs, etc.) are removed.

 In the drive 10, the wire flows sequentially to the first roller of the upper set 19, to the first roller of the lower set 20, then to the second roller of the upper set, etc., and from the last roller of the upper set to the section of the winding device 11, where it is wound in series . When several upper and lower axes are used in the drive (see Fig. 4), the wire from the last roller of the first upper axis enters the last roller of the second axis located opposite it, i.e., on the odd upper and lower axes, the wire starts from the first roller, and on even axes, on the contrary, from the last roller. To prepare the drive for operation, before turning on the line, it is necessary to rotate the drum of the winding device 11 until the carriage 15, together with the load 16, rises to a certain average position that provides equal opportunities for the drive to receive and issue the accumulated wire.

 To compensate for the uneven stretching of the wire and the deviation of the speed of its winding, the multi-row drive gives up the available reserves of wire for fast moving wires, draws in excess for wires moving slower, and freely passes wires moving at a certain average speed, while providing all the wires with approximately the same tension , the value of which depends mainly on the weight of the load 16. When working with an average speed of movement, all the rollers 19 and 20 rotate with the same angular speed, and with them and at the same speed, the axes 13 and 17 rotate in their bearings. In this case, the load on the wire created by the drive is determined mainly by the friction in the rolling bearings 14 and 16 and therefore is small. When the drive, giving or receiving wire, the carriage 15 is lifted or lowered with a load of 16, and all the rollers of the upper and lower set rotate at different speeds, as a result of which the rotation of the rollers relative to these axes and the load on the wire from the axes 13 and 15 are added the drive increases by the total friction of all the rollers used, so the use of rolling bearings is also preferred for them.

Claims (3)

 1. Line for the production of wire, comprising an unwinder, a butt welding machine, a tape drive, multi-row disc shears for slitting, a wire processing unit and a winding device with a guiding mechanism, characterized in that a multi-row roller wire store is located in front of the winding device, including each wire, the upper axis installed in the drive with the possibility of rotation by means of the first rolling bearings, the carriage, to which the load is suspended, installed with the possibility the vertical axis, the lower axis mounted in the carriage with the possibility of rotation by means of the second rolling bearings, the upper and lower sets of rollers, each roller mounted respectively on the upper or lower axis with the possibility of free rotation.  2. The line according to claim 1, characterized in that each roller is mounted on an axis by means of a rolling bearing.  3. The line according to claim 1 or 2, characterized in that the multi-row drive contains at least two upper and two lower axles with a set of rollers on each axis.

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