DD270550A1 - METHOD AND DEVICE FOR PRODUCING STEEL WIRE SLIDES WITH A VARIABLE VERSATILE CONSTRUCTION - Google Patents

Abstract

The invention relates to a method and an apparatus for producing steel wire strands with variable strand construction and is preferably applicable to double twist stranding machines. The task, o. G. To develop method and apparatus, wherein special flow units and brake systems find particular importance to be able to realize a variety of stranding programs in conjunction with the Doppelschlagverwicking machine, was solved by the individual wires are selectively deducted from Ueberkopfablaeufen and / or arranged within a cesspit machine spools , Furthermore, according to the invention, the drawer draining from the overflow drains, before reaching the stranding inlet, is led to a brake adapter arranged within the draining frame and wrapped around it several times, and each machine coil and each brake adapter are braked by a wire-controlled brake. Fig. 1

Description

For this 3 pages drawings

Field of application of the invention

The invention relates to a method and an apparatus for producing steel wire strands with variable strand construction and is preferably applicable to double twist stranding machines.

Characteristic of the known state of the art

Steel wire strands are an intermediate in wire rope manufacturing. They are mainly used on high-speed stranding machines

The disadvantage here is that the size of the delivery bobbins is determined by the enclosing stranding tube and its dimensions in turn limits the speed of the Schnellverseilmaschine.

It follows that an increase in performance in the production of steel wire strands on high-speed stranding machines due to the frequent bobbin change of the delivery bobbins and the limited Rotordre> 7aMen is not possible.

For this reason, attempts are made to produce steel wire strands with the highly productive !: double impact method. Thus, e.g. the individual wires according to EP 0143732 deducted from tangential Spulenabläufen or rotating Spulenabläufen.

This method is productive only with very thin wire diameters, since in this case the coils must be braked very accurately and with increasing coil mass this exact deceleration can not be realized. Furthermore, the coil masses are decisively limited by the rotating Spulonabläufe. In DE-OS 2633280 oinzelne double twist stranding on which strands werdon stranded assigned to a double striking machine on which the strands are to be stranded into a rope. Due to the complicated structure of the double twist stranding. Considerations are high speeds and thus large stranding services can not be realized.

Furthermore, these double-stranded strands are highly susceptible to stress and further processing to a good quality rope is practically impossible.

Object of the invention

The aim of the invention is to produce high-quality strands with variable strand construction according to the highly productive Doppelschlagverseilverfahren, with special drainage units and braking systems safe stranding and long maturities, d. H. Low downtime due to bobbin change, the entire machine are to ensure.

-2- 270 Explanation of the Essence of the Invention

The invention has for its object to develop a method and apparatus for the production of steel wire strands with variable strand construction, with special flow units and braking systems are given special attention to be able to realize a variety of stranding programs in interaction with the Doppelschlagverleaving. According to the invention, the object is achieved in that the individual wires are routed from their respective drainage units in a known manner via a stranding with twisting to a Doppelschlagverilmaschine, according to the invention, the individual wires are selectively deducted from overhead drains and / or arranged within a cesspit machine spools. Furthermore, the invention is that the running of the overhead drains wires are passed before reaching the stranding to each oinem arranged within the rack brake adapters and wrap around several times and that each machine coil and each brake adapter are braked by one each controlled by wire brake.

The apparatus for producing steel stranded wires with variable strand construction, consisting of a Doppelschlagverilmaschine, upstream stranding with twisting and the individual drainage units for the running wires, according to the invention before stranding both overhead drains as well as a brake and drain rack optionally with machine coils una / or brake adapters equipped, each machine coil and each brake adapter are each assigned a controlled by the wire brake brake. As essential to the invention is still to be considered., That each brake adapter is designed as a cone, with an angle of inclination to the outside of 1 ° to 3 ° and are arranged on both sides of the cone coils.

Ausführungsbelsplol

The invention will be explained in more detail with reference to an embodiment. Show it:

Fig. 1: Overall view of the stranding

Fig. 2: side view of a wire-controlled brake

Fig. 3: section through the drain rack

Gem. Fig. 1,2 and 3, the entire stranding consists of a Doppelschlagverilmaschine 1, which is a stranding 2 upstream.

In the area of the stranding inlet 2, two twisting devices 3 are arranged, through which stranding in the stranding points 4 takes place.

Optionally, the individual wires 5 run tangentially away from machine coils 6, arranged within a discharge rack 7, or are detached from large bobbins, arranged in overhead outlets 8.

In the tangential sequence of the respective wire 5 is guided over a fixed roller 9 and a movable roller 10 which sits on a spring-loaded brake lever 11 which is mounted in the pivot point 12. By the spring 13, the machine coil 6 is braked via the brake 14.

When exceeding the set wire force, the brake 14 is released via the wire 5, so that almost constant wire forces occur from the coil outer diameter to the coil core.

When removing the wire 5 by means of overhead drains 8, the wire 5 is guided via rollers 15, 16 and 17 to a brake adapter 18, which is arranged in place of a machine coil 6 in the discharge rack 7.

In order to achieve a reliable deceleration of the wire 5, the same is performed several times around the brake adapter 18.

Since the leading wire 5 must go, the brake adapter 18 is designed as a cone 19 with an angle of inclination to the outside of Γ to 3 °.

To guide the wire 5 are further arranged on both sides of the cone 19 in the collar 20.

The wire 5 leaving the brake adapter 18 is guided over the rollers 9 and 10 analogously to the tangential wire run of machine spools 6. The braking then takes place as already described above.

The advantages of the invention consist in the variable use of small machine coils 6 and large coils, of which the wire 5 is withdrawn by means of overhead drains 8, wherein the special braking system in connection with the optionally required brake adapter 18, the effect of a constant tensile stress of the wires 5 at both deduction variants remains.

Off o. For reasons, it is possible, both the expiration of sensitive stranding of a special rack 7 with sensitive, adjustable wire force for each wire 5 and the stranding of pronounced mass programs with long maturities of the flow units, extremely advantageous with one and the same double-twisting machine 1 in high quality realize.

Claims (5)

1. A method for the production of steel wire strands with variable strand construction, wherein the individual wires coming from their respective drain units, are guided via a stranding with at least two twisting to a Doppelschlagverilmaschine, characterized in that the individual wires (5) of either ÜLerkopfabläufen (8) andthe machine coils (6) arranged within a rack (7) withdraw the wires (5) running from the overhead outlets (8) before reaching the stranding inlet {2) to a respective brake adapter (18) arranged within the outlet frame (7) ) and wrap it around several times. 2. The method according to claim 1, characterized in that each machine coil (6) and each brake adapter (18) are braked by a respective wire-controlled brake (14). 3. A device for the production of steel wire strands with variable strand construction, consisting of a double-twisting machine, an upstream stranding with twisting devices and the individual drainage units for the running wires, characterized in that before the stranding (2) both overflow θ (8) and a Operating rack (7), optionally with machine spools (6) and / or brake adapters (18) equipped, are arranged. 4. Apparatus according to claim 3, characterized in that each machine spool (8) and each brake adapter (18) is associated with one each within the discharge rack (7) arranged wire-controlled brake (14). 5. Apparatus according to claim 3 and 4, characterized in that each brake adapter (18) is designed as a cone (19) with an angle of inclination to the outside of 1 ° to 3 ° and on both sides of the cone (19) collars (20) are arranged.