The stranded electrode stranding machine
Technical field
The utility model relates to a kind of wire twisting machine, particularly a kind of stranded electrode stranding machine.
Background technology
For solving the large-diameter carbon-dioxide gas protecting welding wire, or the flexible problem of large-diameter self-protection flux-cored wire, the inventor has proposed a kind of major diameter strands self-protection flux-cored wire (as shown in Figure 1) in Chinese patent application numbers 201020192410.8, in comprising cored welding wire 101 and be located in around the cored welding wire many curl up welding wire 102, many in wherein said being located at around the cored welding wire 101 curl up welding wire 102 and are many planet flux-cored wires; It is stranded in a spiral manner in described on the cored welding wire to have at least many of rows to curl up flux-cored wire.Certainly, the large-diameter self-protection flux-cored wire that this strands mode is made also can be used for making the large-diameter carbon-dioxide gas protecting welding wire.
Adopting which kind of thread reaming machine, is a difficult problem of making this major diameter stranded electrode.Existing cable stranding machine and steel wire rope stranding machine are all inapplicable.
The utility model content
Technical problem to be solved in the utility model is at the above-mentioned deficiency of prior art, and to provide a kind of stranded electrode stranding machine of processing the major diameter multi-strand stranded welding wire simple in structure, suitable.
Stranded electrode stranding machine provided by the utility model is realized by following technical scheme.
A kind of stranded electrode stranding machine, comprise pedestal, be located at center wire reel, centre pipe on the pedestal, be provided with and a plurality ofly curl up receipts silk dish, the plate drive motors of the plate of wire reel, the hank knotting dish of being located at the plate pivot, stranded electrode and receive silk disk-drive motors, it is characterized in that being provided with the destressing straightener between described hank knotting dish and the described receipts silk dish, the described wire reel of being located on the plate that curls up is provided with tension.
Except that above-mentioned essential features, in specific implementation process, also can replenish following technology contents.
Described stranded electrode stranding machine is characterized in that the described destressing straightener of being located at the hank knotting dish and receiving between the silk dish is that the wrap direction of described two groups of rollers is vertical mutually by two groups of wheeled bending straighteners that roller constituted.
Described stranded electrode stranding machine, it is characterized in that the described tension that curls up on the wire reel of being located at is the frictional force device, described frictional force device comprises that friction pulley, friction band, brake pad and frictional force adjusting device constitute, described friction pulley and described rotating shaft of curling up wire reel are fixed, described brake pad is fixed in described friction to be with, described friction band is around described friction pulley, and the one end is fixed with described plate in hinged way, and the other end connects described frictional force adjusting device.
Described stranded electrode stranding machine, it is characterized in that described frictional force adjusting device is the pulling force adjustable spring, specifically be, the end of described friction band is provided with a tension spring, the other end of described spring connects a screw rod, described screw rod is provided with axial slide, described plate is provided with a holder with through hole, be provided with guide runner in the described through hole, described screw rod passes the through hole of described holder, and the guide runner in the through hole is slidedly arranged in the axial slide of described screw rod, and the screw rod in the described holder through hole outside is provided with the nut of regulating pulling force, and described plate is provided with the pulling force indication.
Described stranded electrode stranding machine is characterized in that being provided with dynamometer link between the spring of described frictional force adjusting device and the screw rod.
Described stranded electrode stranding machine is characterized in that described frictional force adjusting device is a torque motor, and described torque motor is fixed on the described plate, and the rotating shaft of described torque motor and described rotating shaft of curling up wire reel are fixed.
Described stranded electrode stranding machine, it is characterized in that described hank knotting dish comprises plate rail, a plurality of wire guide wheel and a plurality of conduit, described plate rail is made of two parallel plectanes with centre bore or regular polygon plate and connecting plate, the periphery of described plate rail is the described a plurality of wire guide wheels of distribution evenly, are provided with conduit between the cabling side of each wire guide wheel and the centre bore.
Described stranded electrode stranding machine is characterized in that described receipts silk disk-drive motor is a buncher.
Advantage of the present utility model is:
Stranded electrode stranding machine of the present utility model is simple in structure, be provided with the destressing straightener between described hank knotting dish and described receipts silk dish, curl up wire reel and be provided with tension, by the pulling force that curls up welding wire is regulated and stress straightening, make stranded welding wire tight, in use can not scatter.
For architectural feature of the present utility model and effect thereof are had further understanding, enumerate specific embodiment now and be described with reference to the accompanying drawings as follows.
Description of drawings
Fig. 1 is the structure chart of multi-strand stranded welding wire.
Fig. 2 is the structural representation of the utility model stranded electrode stranding machine.
Fig. 3 is that the A of Fig. 2 is to view.
Fig. 4 is that B among Fig. 3 is to view.
Fig. 5 is the structural representation of the hank knotting dish in the utility model stranded electrode stranding machine.
The specific embodiment
As Fig. 2, shown in Figure 3, a kind of stranded electrode stranding machine provided by the utility model, comprise pedestal, be located at the center wire reel 1 on the pedestal, centre pipe 2, be provided with a plurality of plates 4 of curling up wire reel 3, be located at the hank knotting dish 5 of plate 4 pivots, the receipts silk dish 6 of stranded electrode, a plate drive motors 7 and a receipts silk disk-drive motor 8, for eliminating existing residual stress in the welding wire after stranded, welding wire stranding machine of the present utility model is provided with destressing straightener 9 between described hank knotting dish 5 and described receipts silk dish 6, stranded closely for guaranteeing welding wire, avoid welding loose, cause welding process electric arc instability, the described wire reel of being located on the plate that curls up is provided with tension 10, so that curl up tightening force according to the diameter adjustment of curling up welding wire.
The described destressing straightener 9 of being located at hank knotting dish 5 and receiving between the silk dish 6 is the wheeled bending straighteners that are made of two groups of rollers 91, and the wrap direction of described two groups of rollers is vertical mutually.。Welding wire after stranded reaches the purpose that eliminates stress by the repeatedly bending of a plurality of rollers 91 of two groups of mutually perpendicular directions settings.Each group in described two groups of mutual vertically disposed rollers is that (wherein a row is four by seven of two rows, another row three) or nine (wherein one row five, four of another rows) roller of equal diameters constitutes, roller spacing among every row is that two times of rollers are saluted, and the distance between two row's rollers is adjustable.
As shown in Figure 3, Figure 4, the described tension 10 that curls up on the wire reel of being located at is frictional force devices, described frictional force device comprises that friction pulley 11, friction are with 12, brake pad 13 and frictional force adjusting device constitute, described friction pulley 11 is fixed with described rotating shaft 41 of curling up wire reel 4, described brake pad 13 is fixed in described friction to be with on 12, described friction is with 12 around described friction pulley 11, and the one end is fixed with described plate 5 in hinged way, and the other end connects described frictional force adjusting device.
Described frictional force adjusting device is the pulling force adjustable spring, specifically be, described friction is provided with a tension spring 14 with 12 end, the other end of described spring 14 connects a screw rod 15, described screw rod 15 is provided with axial slide 16, described plate 5 is provided with a holder 18 with through hole 17, be provided with guide runner 19 in the described through hole 17, described screw rod 15 passes the through hole 17 of described holder 18, and the guide runner 19 in the through hole 17 is slidedly arranged in the axial slide 16 of described screw rod 15, screw rod 15 in described holder through hole 17 outsides is provided with the nut 20 of regulating pulling force, and described plate is provided with the pulling force indication.Rotate described nut, because the barrier effect of holder 18 and guide runner 19, described screw rod will move vertically, thereby reach the effect of regulating spring pulling force, regulate the frictional force between brake pad 13 and the friction pulley 11 then.Reaching control curls up welding wire 102 ground and curls up pulling force.
Further, be provided with dynamometer link between the spring of described frictional force adjusting device and the screw rod.Can accurately learn the size of pulling force by dynamometer, use more convenient.
Described frictional force adjusting device is a torque motor, and described torque motor is fixed on the described plate, and the rotating shaft of described torque motor and described rotating shaft of curling up wire reel are fixed.In putting a process, described torque motor imposes on and curls up tension force opposite with transmission direction on the wire reel 3, and described tension force is along with the variation of barrel dliameter, and it is constant to keep curling up the linear velocity and the reverse tension of welding wire.
As shown in Figure 5, described hank knotting dish 5 comprises plate rail 51, a plurality of wire guide wheel 52 and a plurality of conduit 53, described plate rail is made of two parallel plectanes with centre bore or regular polygon plate 511 and connecting plate 512, the periphery of described plate rail 51 is the described a plurality of wire guide wheels 52 of distribution evenly, are provided with conduit 53 between the cabling side of each wire guide wheel 52 and the centre bore 513.In the diagram specific embodiment, the quantity of described wire guide wheel 52 and conduit 53 is 12, when curling up ground floor outside during the boxing silk, and wherein 6 of use at interval; Outside curling up the second layer, during the boxing silk, use 12.
Described receipts silk disk-drive motor 9 is a buncher, receive the rotating speed of silk disk-drive motor 9 by speed regulator control, when plate 4 rotated a circle, the rotating speed of receiving the silk dish should guarantee that take-up speed is a pitch, and described pitch is meant that a plurality of stranded electrodes curl up the length of a circle.And with the increase of receiving the coiling number of plies on the silk dish, the corresponding reduction of rotating speed.
During work, cored welding wire 101 is entered the centre bore 513 of plate 4 and hank knotting dish 5 in described through centre pipe 2 by center wire reel 1, many in described being located at around the cored welding wire curl up welding wire 102 and enter hank knotting dish 5 by a plurality of wire reels 3 that curl up of being located on the plate 4, enter the centre bore 513 of hank knotting dish 5 by wire guide wheel on the hank knotting dish 5 and conduit, curl up that welding wire 102 passes destressing straightener 9 with concentricity welding wire and fixing with described receipts silk dish 6 with many.According to the diameter that curls up welding wire, regulate curling up the frictional force of wire reel 3 by tension 10, and regulate distances between two row's rollers of destressing straightener 9.Start plate drive motors 7, plate drives a plurality ofly curls up wire reel 3 and hank knotting dish 5 rotate around middle cored welding wire, forms stranded electrode, meanwhile starts and receives a silk disk-drive motor 8, and order is received the silk dish and taken advantage of the receipts silk speed of pitch to rotate with the rotating speed of plate 5.