CN202359268U

CN202359268U - Internal yarn tensioner of permanent-magnet straight twisting machine

Info

Publication number: CN202359268U
Application number: CN2011201073552U
Authority: CN
Inventors: 李海燕; 石钢
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-04-07
Filing date: 2011-04-07
Publication date: 2012-08-01
Anticipated expiration: 2021-04-07

Abstract

An internal yarn tensioner of a permanent-magnet straight twisting machine consists of a roller roll and a tension device, a shaft and two bearings are mounted at the center of the roller roll, a spring is mounted between the two bearings, and a slide seat is mounted at a large end of the roller roll and at the position of a guider of the shaft. The internal yarn tensioner is characterized in that a magnetic-lag ring and a permanent magnet are arranged at the outer ring of the slide seat and the large end of the roller roll respectively, a magnetic gap is reserved between the magnetic-lag ring and the permanent magnet, a multi-end thread is arranged at the center hole of the slide seat and is connected with a multi-end screw at the center of a tension adjusting turntable which is sleeved on the shaft; the roller roll, the tension adjusting turntable and a fixed frame are respectively fixed at two ends of the shaft through two fixing screws or nuts; the roller roll can be made of aluminum alloy, engineering plastic or nylon and the like, a magnetic gathering ring is further arranged between the permanent magnet and the inner ring of the large end of the roller roll, and the outer ring surface of the roller roll is provided with a wear-resistant layer or sleeved by a wear-resistant outer ring. The internal yarn tensioner of the permanent-magnet straight twisting machine has the advantages of compact structure, low magnetic loss, light weight, low manufacturing cost, no power source and power lines and power saving and the like.

Description

Yarn tension device in a kind of permanent magnetism straight twister

Technical field

What the utility model related to textile machine gathers magnetic tension roller roller, is specifically related to yarn tension device in the straight twister permanent magnetism in a kind of textile machine.

Background technology

At present, tensioner is made up of magnetizing coil, B-H loop etc., number is the disclosed a kind of outer yarn tension device of 200320131609.X like Chinese patent.Comprise little axle, bearing, magnetic core, magnetic links, magnetic plate, coil rack and coil and housing etc.In housing: magnetic core has two bearings and is loaded on the little axle, and an end face of magnetic core is provided with double wedge, fixedly mounts magnetic links on the little spindle nose of double wedge side; Leave spacing between tooth and the magnetic links, adorn magnetic plate between magnetic links and the housing, magnetic core is sleeved in the coil rack; Coil is loaded on the skeleton outer shroud; Magnetic core and housing are fixedly linked, and skeleton and housing are fixedly linked, and magnetic links and magnetic core double wedge end face and magnetic plate relatively rotate.Produce magnetic force through magnetic core behind the coil confession direct current, attract magnetic plate, form the magnetic damping and the moment of resistance, control and adjust the size of tension force.Tensioner connection and band gather magnetic tension roller roller warp thread are produced tension force.Above technology relatively deficiency is:

1, tensioner and to gather magnetic tension roller roller be two parts needs to connect and be contained on the creel, use comparatively inconvenience is installed, and the phase commute produces fault.

2, produce magnetic force through magnetic core behind the coil confession direct current, require to have a cover power-supply device, structure is comparatively complicated, and consumption part electric energy.

3, magnetic loss is high, and the life-span is short.

Summary of the invention

The purpose of the utility model partly integrates tension roller roller and tensioner to the deficiency of above prior art, and a kind of permanent magnet that uses the band magnetism gathering rings is provided; Its characteristics N, the extremely alternate circumference uniform distribution of S, compact conformation, in light weight; Need not power supply and power line; Rate of breakdown is lower, saves electric energy, yarn tension device in the permanent magnetism straight twister of low cost of manufacture.

The technical scheme of the utility model is achieved in that

Yarn tension device in a kind of permanent magnetism straight twister has roller roller and tensioner, and an axle is equipped with at described roller roller center, and adorns between two bearings, two bearings a spring is arranged; The stub end of roller roller is equipped with sliding the seat with the targeting part of axle; It is characterized in that: the described sliding cylindrical of sitting and the stub end of roller roller are respectively equipped with B-H loop and permanent magnet; Leave magnetic gap between B-H loop and the permanent magnet; The sliding centre bore of sitting is provided with multiple thread and links to each other with the multiple-threaded screw of tension adjustment center of turntable, and the tension adjustment rotating disk is sleeved on the axle; Roller roller, tension adjustment rotating disk and fixed mount are fixed on the two ends of axle respectively by two hold-down nuts or screw; Described permanent magnet is an annulus, by the tile shape magnet or the integral body of N, S polarity are formed respectively.Between the interior circle of the stub end of described permanent magnet and roller roller, a magnetism gathering rings is set also.The outer round surface of described roller roller is provided with wearing layer or the wear-resisting outer ring of suit.

Described axle is a composite shaft, and by built-in steel axle core, outside and six square guide pads are engineering plastics, and in engineering plastics six square guide pads, add the becket skeleton, and six angles on six square guide pads are provided with breach.

The described sliding cylindrical of sitting is respectively equipped with B-H loop and permanent magnet with the stub end of roller, can permanent magnet be located on the interior circle of stub end of roller, and B-H loop is located on the sliding cylindrical of sitting.Can permanent magnet be located on the interior circle of stub end of roller, B-H loop is located on the sliding cylindrical of sitting.Also can B-H loop be located on the interior circle of stub end of roller, permanent magnet is located on the sliding cylindrical of sitting.

The utility model compared with prior art integrates tension roller roller and tensioner, has the permanent magnet of band magnetism gathering rings, and magnetic loss is few, and compact conformation is in light weight, and low cost of manufacture need not power supply and power line, and rate of breakdown is lower, saves advantages such as electric energy.

Description of drawings

Fig. 1 is the structural front view of the utility model;

Fig. 2 is the structure side view of the utility model;

Fig. 3 is the structural representation of the permanent magnet of the utility model.

Fig. 4 is the structural representation of compound roller roller;

Fig. 5 is the structural front view of composite shaft;

Fig. 6 is the structure side view of composite shaft.

The specific embodiment

Specify the utility model below in conjunction with accompanying drawing.

Illustrated in figures 1 and 2, the structure of the utility model, the yarn tension device is integrated by roller roller and tensioner two parts in the permanent magnetism straight twister.An axle 2 is equipped with at roller roller 1 center, and adorns between two bearings 3, two bearings a spring 4 is arranged; The stub end of roller roller is equipped with sliding seat 5 with the targeting part of axle, and the targeting part 2-1 of axle is square or hexagon, and sliding the seat also is provided with corresponding square or hexagonal hole.The sliding cylindrical of sitting and the stub end of roller roller are respectively equipped with B-H loop 6 and permanent magnet 7; Leave magnetic gap between B-H loop and the permanent magnet; The sliding centre bore of sitting is provided with multiple thread and links to each other with the multiple-threaded screw 8-1 at tension adjustment rotating disk 8 centers; The tension adjustment rotating disk is sleeved on the axle, and the cylindrical of tension adjustment rotating disk is provided with the scale sign indicating number.Roller roller, tension adjustment rotating disk and fixed mount 9 are fixed on the two ends of axle respectively by two hold-down nuts or screw 10.The sliding cylindrical of sitting is provided with the location 5-1 that meets and discusses, and on the wheel rim of the sliding cylindrical of sitting, also is provided with elastic opening groove 5-2, and with the tension adjustment rotating disk in be provided with locating slot 8-2; Outside the tension adjustment rotating disk, be provided with fixed mount 9.The stub end of the sliding cylindrical of sitting and roller roller is respectively equipped with B-H loop 6, and permanent magnet 7, and B-H loop is located on the interior circle of stub end of roller roller, and permanent magnet is located on the cylindrical of sliding seat.Perhaps adopt opposite configuration, permanent magnet is located on the interior circle of stub end of roller roller, and B-H loop is located on the sliding cylindrical of sitting.

Shown in Figure 3, magnet structure.Permanent magnet is an annulus, is made up of the tile shape magnet of difference N, S polarity.

Shown in Figure 4, composite magnetic gathering tension roller roller, for weight reduction, the roller roller adopts aluminium alloy, engineering plastics or nylon etc. to process, and between the interior circle of the stub end of permanent magnet and roller roller, a magnetism gathering rings 11 is set also.Magnetism gathering rings is processed by permeability magnetic material, like carbon steel.The outer round surface of roller roller 1 is provided with wearing layer or the wear-resisting outer ring 12 of suit, and the weir 1-1 of rigid bearing is arranged in endoporus.

Fig. 5 and shown in Figure 6, axle is a composite shaft, and by built-in steel axle core 2-2, outside and six square guide pad 2-1 are engineering plastics 2-3, and in engineering plastics six square guide pads, add becket skeleton 2-4, and six angles on six square guide pads are provided with breach 2-5.

The utility model is respectively equipped with B-H loop 6 and permanent magnet 7 at the sliding cylindrical of sitting and the stub end of roller roller 1, and the magnetic field force between B-H loop and the permanent magnet constitutes the tension force of roller roller.Rely on positive and negative rotation tension adjustment rotating disk 8; Under the multiple-threaded screw 8-1 effect at sliding centre bore of sitting and tension adjustment rotating disk 8 centers; The sliding 5 targeting part 2-1 along axle that sit are moved forward and backward, and spring 4 is given the sliding restoring force of sitting, when sliding when sitting 5 reaches; The corresponding area of B-H loop and permanent magnet strengthens, and the tension force that produces is big; Otherwise when moving behind the sliding seat 5, the corresponding area of B-H loop and permanent magnet reduces, and the tension force that produces also diminishes.On the sliding cylindrical of sitting, also be provided with the location 5-1 that meets and discusses, and with the tension adjustment rotating disk in be provided with locating slot 8-2; The location that is used for the tension adjustment rotating disk.Adjusted tension force is remained unchanged.

Claims

1. yarn tension device in the permanent magnetism straight twister has roller roller and tensioner, and an axle (2) is equipped with at described roller roller (1) center, and adorns between two bearings (3), two bearings a spring (4) is arranged; The stub end of roller roller is equipped with sliding sit (5) with the targeting part (2-1) of axle; It is characterized in that: the described sliding cylindrical of sitting and the stub end of roller roller are respectively equipped with B-H loop (6) and permanent magnet (7); Leave magnetic gap between B-H loop and the permanent magnet; The sliding centre bore of sitting is provided with multiple thread and links to each other with the multiple-threaded screw (8-1) at tension adjustment rotating disk (8) center, and the tension adjustment rotating disk is sleeved on the axle; Roller roller, tension adjustment rotating disk and fixed mount are fixed on the two ends of axle respectively by two hold-down nuts or screw (10); Described permanent magnet is an annulus, by the integral body or the tile shape magnet of N, the alternate polarity of S are composed in series respectively.

2. according to yarn tension device in the described a kind of permanent magnetism straight twister of claim 1, it is characterized in that: between the interior circle of the stub end of described permanent magnet and roller roller, a magnetism gathering rings (11) is set also.

3. according to yarn tension device in the described a kind of permanent magnetism straight twister of claim 1, it is characterized in that: the outer round surface of described roller roller is provided with wearing layer or the wear-resisting outer ring of suit (12).

4. according to yarn tension device in the described a kind of permanent magnetism straight twister of claim 1; It is characterized in that: described axle is composite shaft; By built-in steel axle core (2-2); Outside and six square guide pads (2-1) are engineering plastics (2-3), and in engineering plastics six square guide pads, add becket skeleton (2-4), and six angles on six square guide pads are provided with breach (2-5).

5. according to yarn tension device in the described a kind of permanent magnetism straight twister of claim 1; It is characterized in that: the described sliding cylindrical of sitting is provided with locatees meet and discuss (5-1); On the wheel rim of the sliding cylindrical of sitting, also be provided with elastic opening groove (5-2), and with the tension adjustment rotating disk in be provided with locating slot (8-2); Outside the tension adjustment rotating disk, be provided with fixed mount (9).