CN202148458U

CN202148458U - Wire passing device of steel cord double-twisting machine

Info

Publication number: CN202148458U
Application number: CN201120165936U
Authority: CN
Inventors: 汤广宏; 王喜阳; 向恒毅
Original assignee: DONGTAI LEIDA STEEL CORD CO LTD
Current assignee: DONGTAI LEIDA STEEL CORD CO LTD
Priority date: 2011-05-24
Filing date: 2011-05-24
Publication date: 2012-02-22
Anticipated expiration: 2021-05-24

Abstract

The utility model discloses a wire passing device of a steel cord double-twisting machine, which comprises a flywheel dick, a rocker type tray and a parallel wire passing wheel, wherein the flywheel disc and the rocker type tray are fixedly and mutually connected, the parallel wire passing wheel is fixedly arranged on the rocker type tray, a pre-changing wire passing wheel, a wire passing template, a deformer and a wire passing mouth are fixedly arranged on the rocker type tray, the parallel wire passing wheel, the pre-changing wire passing wheel, the wire passing template, the deformer and the wire passing mouth are arranged in sequence along steel cords, and the wire passing mouth is positioned at a position at the near side of an intertwisting point at the center of the flywheel disc. The wire passing device not only can effectively control the steel cord tension, ensures the uniformity of the steel cord tension and the twisting distance, is simple and reasonable in structure, convenient for manufacture, and suitable for being applied in various steel cord double-twisting machines and improvement on double-twisting machines.

Description

Steel cord double twisting device wire passing device

Technical field

The utility model relates to a kind of steel cord and twists with the fingers a strand equipment, relates in particular to the improvement of steel cord double twisting device wire passing device structure.

Background technology

Tire steel cord is the framework material that is used for radials such as automobile, aircraft, tractor; Bearing dynamic and static load in going; Stand the effect of cyclic stress and distortion in the driving process, it is twisted with the fingers and is formed by high-intensity high-carbon steel and high carbon alloy silk (thigh).For guaranteeing physics, mechanical property and product lumber recovery, steel cord glacing flatness, sth. made by twisting system uniformity and residual torsional stress all have the strict quality standard.

Radial tyre steel cord the most general sth. made by twisting thigh equipment at present is a double twisting device, and it will be twisted into the steel cord of various structures through the monofilament after wet the drawing, and a moving week of its rotary body Flywheel disc revolution produces two lay pitch, concrete higher twisted efficient.But existing double twisting device wire passing device is will be positioned at many one metal wires (thigh) on the I-beam wheel earlier after anamorphoser predeformation with crossing thread path; The center twisted point that is directed to Flywheel disc through two groups of wire-crossing wheels is circuitously again twisted into thigh, only establishes the single track crossed beam trunking on each wire-crossing wheel.

Existing this double twisting device; At first because the turn of steel cord results from this tortuous twisting path of anamorphoser to Flywheel disc twisted point, its twist forms from Flywheel disc twisted point to anamorphoser along crossing line in the other direction gradually, and is long and close more apart from the nearlyer lay pitch of Flywheel disc twisted point on the winding raod footpath at this; More far then the lay pitch is thin more; The formation lay pitch is irregular, and especially two groups of wire-crossing wheels have also produced " gripping " effect to the steel cord, and it is poor to make steel cord before and after the wire-crossing wheel produce the tangible lay pitch; Cause the steel cord to twist with the fingers system uniformity deterioration, glacing flatness is poor.Moreover predeformation and close after the steel cord line that in the wire-crossing wheel crossed beam trunking, should tangentially move ahead; Do the turn motion again; So the steel cord can produce irregular edge at the crossed beam trunking bottom land and climb and jump, make to produce irregular tension variation between each monofilament of steel cord, and the tortuous variation of crossing path radius of curvature in the thread path must cause the tension force of inside and outside monofilament inhomogeneous; Make the steel cord unavoidably produce back of the body silk, residual stress, even core, off phenomenon occur jumping.Though in existing double twisting device, all adopt swage to attempt to eliminate above-mentioned adverse effect, to high elongated products effect and not obvious.

The utility model content

To the above-mentioned deficiency of existing in prior technology, the utility model technical problem to be solved provides a kind of steel cord double twisting device wire passing device, and it can not only make the lay pitch of steel cord consistent with even tension, and simple in structure, be convenient to make.

In order to solve the problems of the technologies described above; The steel cord double twisting device wire passing device of the utility model; Comprise Flywheel disc, cradle pallet and parallel wire-crossing wheel; This Flywheel disc and cradle pallet are mutually permanently connected, and parallel wire-crossing wheel is fixedly installed on the cradle pallet, on said cradle pallet, also are set with preparatory change wire-crossing wheel, Go-over mould plate, anamorphoser and cross the line mouth; Said parallel wire-crossing wheel, become wire-crossing wheel, Go-over mould plate anamorphoser and cross the line mouth and cross thread path along the steel cord and set gradually in advance; This is crossed the line mouth and is positioned at Flywheel disc center twisted point nearside.

In technique scheme; Because wire passing device adopts and to cross the thread path direction along the steel cord and setting gradually parallel wire-crossing wheel, becoming wire-crossing wheel, Go-over mould plate, anamorphoser and cross structures such as line mouth in advance; And anamorphoser and mistake line mouth are positioned at the nearside of said Flywheel disc center twisted point; Make the steel cord when multifilament (thigh) twisted, monofilament (thigh) can directly be delivered to Flywheel disc center twisted point and twist respectively through after corresponding monofilament is crossed line mouth predeformation on crossed beam trunking corresponding with it on each wire-crossing wheel and the Go-over mould plate; Greatly shortened the twisting length of steel cord so on the one hand; The steel curtain line tension is effectively controlled, and has not only guaranteed the identical of each monofilament (thigh) stretching force, and the twist error of having avoided the long distance transmission of turn to be produced; Make the lay pitch of steel cord consistent with balancing tension; Effectively reduce the generation of residual torsional stress of steel cord, avoided the steel cord to jump the appearance of defectives such as core, back of the body silk and foaming to greatest extent, performance indications such as steel cord glacing flatness, sth. made by twisting system uniformity are greatly improved.On the other hand, the steel cord of this structure wire passing device twisting section is a straight line path, has overcome in the tortuous twisting path the inconsistent and tension variation of the caused tension force of phase mutual interference between each monofilament (thigh) fully, and steel cord glacing flatness gets very good.Also owing to move to the center twisted point nearside of Flywheel disc at this malformation device, and the wire-crossing wheel invariant position, so this device has simple and reasonablely, makes advantage easy to use.

A kind of preferred implementation of the utility model is provided with the twice crossed beam trunking on the said parallel wire-crossing wheel at least, at least also is provided with the twice crossed beam trunking on the said preparatory change wire-crossing wheel, and the crossed beam trunking number of parallel wire-crossing wheel equates with the crossed beam trunking number that becomes wire-crossing wheel in advance.Said parallel wire-crossing wheel is all built up by the wire-crossing wheel dish of two coaxial rotation with the preparatory wire-crossing wheel that becomes at least, and each wire-crossing wheel dish is provided with crossed beam trunking one.This structure makes each monofilament, plied (thigh) cross line along each self-corresponding crossed beam trunking, takes their own roads, and does not disturb mutually, has guaranteed the balanced consistent of tension force.

Another preferred implementation of the utility model, said Go-over mould plate is provided with monofilament and crosses the line mouth, and anamorphoser is fixedly attached on the Go-over mould plate through the anamorphoser fulcrum, and this anamorphoser adopts disk to buckle the shape structure.At least be provided with two monofilament on the said Go-over mould plate and cross the line mouth, the quantity that this monofilament is crossed the line mouth equates with the crossed beam trunking that becomes on the wire-crossing wheel in advance.This is simple and reasonable, makes easy to use.

Description of drawings

Below in conjunction with accompanying drawing and the specific embodiment to the utility model steel cord double twisting device wire passing device

Do further detailed explanation.

Fig. 1 is the structural representation of a kind of specific embodiment of the utility model steel cord double twisting device wire passing device;

Fig. 2 is the structural representation of wire passing device master apparent direction in the structure shown in Figure 1;

Fig. 3 is the structural representation of structure shown in Figure 2 left side apparent direction;

Fig. 4 is the three-dimensional structure diagram of structure shown in Figure 2.

Among the figure, the parallel wire-crossing wheel of 1-monofilament guide wheel, 2-I-beam wheel, 3-, 4-wire passing device support, 5-become wire-crossing wheel, 6-Go-over mould plate, 7-anamorphoser, 8-in advance and cross line mouth, 9-Flywheel disc, 10-cradle pallet, 11-anamorphoser fulcrum, 12-monofilament and cross the line mouth.

The specific embodiment

As shown in Figure 1; This steel cord double twisting device wire passing device comprises Flywheel disc 9 and cradle pallet 10; The two ends of cradle pallet 10 are fixedly connected with Flywheel disc 9; The center of rotation of two Flywheel discs 9 is on the same straight line, two Flywheel discs 9 and cradle pallet 10 can be rotated, to realize the twisting to the steel cord around this pivot center.In the cradle of the tray 10 is equipped with three spool 2, wheel 2 for Chan around metal monofilament; tray 10 in the cradle over the line by means bracket 4 also fixed over the line parallel wheel 3, the pre-change over the line wheels 5 , over the

line template

6, 7 and over the line deformation nozzle 8, over the line device fixed mounting bracket 4 in the cradle tray 10.Above-mentioned parallel wire-crossing wheel 3, become wire-crossing wheel 5, Go-over mould plate 6, anamorphoser 7 and cross line mouth 8 and cross thread path along the steel cord and set gradually in advance, it is the path that the steel cord is passed through in the twisted process that described steel cord is crossed thread path.This anamorphoser 7 with cross the front end nearside that line mouth 8 is positioned at Flywheel disc 9 center twisted points, promptly cross line mouth 8 adjacent to Flywheel disc 9 center twisted points, and mistake mouth line 8 center lines and Flywheel disc 9 center twisted points are in substantially on the same straight line also.

Like Fig. 2, Fig. 3 and shown in Figure 4, be fixedly installed in parallel wire-crossing wheel 3 and the preparatory wire-crossing wheel 5 that becomes on the wire passing device support 4, be formed by stacking by the wire-crossing wheel dish of three abilities around coaxial rotation, be equipped with crossed beam trunking one on each wire-crossing wheel dish.Three wire-crossing wheel dishes of the parallel wire-crossing wheel 3 of composition are supported on same the mistake on the line vertical shaft through bearing separately; Same form become wire-crossing wheel 5 in advance three wire-crossing wheel dishes also the bearing through separately be supported on corresponding with it same the mistake on the line vertical shaft.Parallel wire-crossing wheel 3 is equipped with three road crossed beam trunkings with becoming on the wire-crossing wheel 5 in advance, and it is equal that the quantity of its crossed beam trunking always keeps.Fixedly be loaded on Go-over mould plate 6 on the support and be provided with three monofilament and cross line mouth 12, this monofilament is crossed line mouth 12 and is processed by steel alloy, and its center is provided with through hole, and three monofilament are crossed on the same circumference that line mouth 12 is distributed in Go-over mould plate 6.

On Go-over mould plate 6, through anamorphoser fulcrum 11 fixed bearings anamorphoser 7 being arranged, is that this anamorphoser 7 of material adopts disks to buckle the shape structure with the steel alloy, so that steel cord monofilament passes through from the dish periphery of anamorphoser 7.Line mouth 8 centers of crossing that fixedly are loaded on the support also are provided with the through hole that supplies the steel cord to pass through.

During double twisting device work; The metal monofilament that is around on the I-beam wheel 2 is pooled on the parallel wire-crossing wheel 3 through the monofilament guide wheel 1 of correspondence; Every monofilament is corresponding to the crossed beam trunking on the parallel wire-crossing wheel 3; Each root metal monofilament gets into parallel state behind parallel wire-crossing wheel 3; Enter into monofilament corresponding on the Go-over mould plate 6 through the guiding that becomes wire-crossing wheel 5 in advance again through each root metal of parallel wire-crossing wheel 3 and cross 12, three metal monofilament of line mouth were pooled to line mouth 8 and Flywheel disc 9 again after the predeformation of anamorphoser 7 after monofilament is crossed line mouth 12 twisted point position, center and carry out milling, and walk around this Flywheel disc 9 rim to another Flywheel disc the rim and twist outlet.

Two I-beam wheel 2 are housed on the cradle pallet 10 in said structure at least; The quantity of its I-beam wheel is decided by to become the quantity of strand monofilament, and crossed beam trunking number and the monofilament on the Go-over mould plate 6 that the quantity of its I-beam wheel 2 becomes wire-crossing wheel 5 with the crossed beam trunking number of parallel wire-crossing wheel 3, are in advance crossed line mouth 12 quantity and remained identical.

The utility model can not only be applied in the steel cord double twisting devices such as DT4G, DT3G and DTS, and more is applicable to renovating of these double twisting devices.

Claims

1. steel cord double twisting device wire passing device; Comprise Flywheel disc (9), cradle pallet (10) and parallel wire-crossing wheel (3); This Flywheel disc (9) and cradle pallet (10) are mutually permanently connected; Parallel wire-crossing wheel (3) is fixedly installed on the cradle pallet (10), it is characterized in that: on said cradle pallet (10), also be set with preparatory change wire-crossing wheel (5), Go-over mould plate (6), anamorphoser (7) and cross line mouth (8); Said parallel wire-crossing wheel (3), become wire-crossing wheel (5), Go-over mould plate (6) anamorphoser (7) and cross line mouth (8) and cross thread path along the steel cord and set gradually in advance; This is crossed line mouth (8) and is positioned at Flywheel disc (9) center twisted point nearside.

2. steel cord double twisting device wire passing device according to claim 1; It is characterized in that: be provided with the twice crossed beam trunking at least on the said parallel wire-crossing wheel (3); At least also be provided with the twice crossed beam trunking on the said preparatory change wire-crossing wheel (5), the crossed beam trunking number of parallel wire-crossing wheel (3) equates with the crossed beam trunking number that becomes wire-crossing wheel (5) in advance.

3. steel cord double twisting device wire passing device according to claim 2 is characterized in that: said parallel wire-crossing wheel (3) and the preparatory wire-crossing wheel (5) that becomes are all built up by the wire-crossing wheel dish of two coaxial rotation at least, and each wire-crossing wheel dish is provided with crossed beam trunking one.

4. steel cord double twisting device wire passing device according to claim 1; It is characterized in that: said Go-over mould plate (6) is provided with monofilament and crosses line mouth (12); Anamorphoser (7) is fixedly attached on the Go-over mould plate (6) through anamorphoser fulcrum (11), and this anamorphoser (7) adopts disk to buckle the shape structure.

5. steel cord double twisting device wire passing device according to claim 4 is characterized in that: be provided with two monofilament on the said Go-over mould plate (6) at least and cross line mouth (12), the quantity that this monofilament is crossed line mouth (12) equates with the crossed beam trunking that becomes on the wire-crossing wheel (5) in advance.