CN103397417B

CN103397417B - Yarn tension constant device

Info

Publication number: CN103397417B
Application number: CN201310338316.7A
Authority: CN
Inventors: 樊宝军; 胡革明; 付小军; 张娥
Original assignee: Shaanxi Huayan Aero-instrument Co Ltd
Current assignee: Shaanxi Huayan Aero-instrument Co Ltd
Priority date: 2013-07-27
Filing date: 2013-07-27
Publication date: 2016-06-01
Anticipated expiration: 2033-07-27
Also published as: CN103397417A

Abstract

The present invention discloses a kind of yarn tension constant device, primarily of roller, mandrel, magnetic cover, magnetic hysteresis cover, block set, adjustment plate, annular tightening cover and snail wire composition; Roller inner chamber is installed with a cylinder stent overlapped with its axis; Mandrel is arranged in cylinder stent, magnetic cover or magnetic hysteresis cover are fixedly set in mandrel rear side surface, magnetic hysteresis cover or magnetic cover are fixed in block set, and block set spinning is in cylinder stent and magnetic is overlapped and overlaps even with magnetic hysteresis cover forming section, overlaps and leaves air gap between two surfaces connecting part; Adjustment plate is plugged on after block set; Annular tightening cover spinning cylinder stent along mouth and adjustment plate is pushed against; Snail wire is arranged on the front end of mandrel. In the present invention, the torsion on snail wire is produced by the magnetic cover of correspondence and magnetic hysteresis cover, and this torsion is constant and can do accurate adjustment, and roller according to the appropriate yarn storage of the size of yarn tension and can put yarn. The present invention can ensure that the yarn tension on forming tube yarn is completely the same.

Description

Yarn tension constant device

Technical field

The invention belongs to spinning machinery field, what be specifically related to is a kind of spin in process processed the device keeping yarn tension constant at cylinder yarn.

Background technology

Spin in process processed at cylinder yarn, to the accurate control of yarn tension and keep yarn tension constant and be the gordian technique concerning a yarn quality quality, be also technological difficulties, especially a high-speed spinning machine of spinning machine.

The yarn speed of spinning machine is constant, when yarn is rolled into type, the speed of rotation of paper web is constant, and the path that yarn reels on paper web and the linear velocity when the different positions of paper web reels thereof are ceaselessly changing, causing yarn tension constantly to change, that particularly bores cylinder yarn spins system. Expect shaping cylinder yarn well, first the tension force of yarn is made accurate adjustment, the constant tension of yarn in winding process must be kept simultaneously. Prior art there are two kinds of modes can keep yarn its tension force constant in winding process: one installs a torsion spring member on spinning machine roller cylinder stent axle, snail wire is positioned at the free end of torsion spring, torsion spring can make the tension force of yarn on snail wire adapt to the change of winding path and speed thereof, and the tension force of yarn in winding process can be kept basically identical; Another kind draws in spinning machine main body to install a cam gear between yarn axle and wireline reel, and guide fork is at the drive lower swing of cam, and its swinging track is applicable to the change of winding path and speed thereof, can keep the uniform tension in order of yarn in winding process. The technique effect of cam gear is better than the technique effect of torsion spring member, but is difficult to the constant tension that reaches in whole winding process, and the size of tension force can not adjust, and namely the tension force of yarn cannot be done accurate control.

Summary of the invention

It is an object of the invention to propose a kind of yarn tension constant device so that it is can spin in process processed at cylinder yarn and accurately be controlled by the tension force of yarn, and constant tension can be kept, ensure into the yarn tension on a yarn completely the same.

The technical scheme realizing above-mentioned purpose is: a kind of yarn tension constant device, primarily of roller, mandrel, magnetic cover, magnetic hysteresis cover, block set, adjustment plate, annular tightening cover and snail wire composition; Roller end face has axis hole, and adjustment plate has axis hole; Roller intracavity bottom is installed with a cylinder stent overlapped with its axis, and the inside and outside wall of cylinder stent all has screw thread; Mandrel is arranged in cylinder stent, and two ends lay respectively on the axis hole of roller end face and the axis hole of adjustment plate; Magnetic cover is fixedly set in mandrel rear side surface, magnetic hysteresis cover is fixed in block set, or magnetic cover is fixed in block set, magnetic hysteresis cover is fixedly set in mandrel rear side surface; Block set spinning is in cylinder stent and magnetic is overlapped and connects with magnetic hysteresis cover forming section cover, overlaps and leaves air gap between two surfaces connecting part; Adjustment plate block set below and itself and grafting; Annular tightening cover spinning cylinder stent along mouth and adjustment plate is pushed against; Snail wire is arranged on the front end of mandrel.

The length of described magnetic cover and magnetic hysteresis cover is close, is the 1/3-2/3 of mandrel length.

Described magnetic cover is permanent magnetism cover or electromagnetic sleeve.

Described magnetic cover is made up of 6-8 magnetic stripe, and adjacent magnetic pole is contrary.

The outer wall of described block set is provided with the projection at 3-4 interval, and protruding end face has the outside screw suitable with cylinder stent internal thread; Adjustment plate front end is the shift fork suitable with the gap of described projection. Shift fork is inserted in protruding gap, and adjustment plate is plugged in block set.

There is ratchet the rear end of described adjustment plate, and locking plate has ratchet.

There is a card groove front end of described mandrel, and the afterbody of snail wire has a snail wire seat, and snail wire seat and card groove are suitable. Snail wire seat can conveniently be plugged in card groove.

In spinning process, roller is by driven by motor, its rotating speed is constant, magnetic cover in the block set being fixedly connected with roller and block set or magnetic hysteresis cover concomitant rotation, the magnetic hysteresis cover of the correspondence on mandrel or magnetic cover can be produced magnetic torque by the magnetic cover rotated or magnetic hysteresis cover, this magnetic torque is constant, and provides a constant torsion for snail wire. At the beginning of yarn winding, yarn is first through the roller of this device, and have part yarn to be stored in roller, in winding process, if the tension force of yarn is less than the torsion on snail wire, when being namely less than the setting tension force of yarn, yarn can be stored in roller by the guiding of snail wire, makes the tension force of yarn increase to set(ting)value; If the tension force of yarn is greater than the torsion on snail wire, when being namely greater than the setting tension force of yarn, yarn can be discharged roller by snail wire, makes the tension force of yarn reduce to set(ting)value.

Turn adjustment plate can change the axial location of block set, and the be nested size of area even and magnetic torque of magnetic cover and magnetic hysteresis cover is changed, and the tension force that the torque magnitude of snail wire and snail wire can be made to be applied to yarn is adjusted.

The present invention constructs rationally, stable work in work, the torsion on snail wire constant and can accurate adjustment, setting range is big, meets the requirement that high-speed spinning machine large package, big tapering cylinder yarn tension are constant, it is possible to ensure that the yarn tension on forming tube yarn is completely the same.

Accompanying drawing explanation

Fig. 1 is the exploded perspective view of one embodiment of the invention.

Fig. 2 is the structural representation of the present embodiment.

Fig. 3 is the A direction view in Fig. 2.

Fig. 4 is the structural representation of mandrel and associated components thereof in Fig. 2.

Fig. 5 is the B direction view in Fig. 4.

In figure: 1. roller, 101. cylinder stents, 2. bearing, 3. mandrel, 301. card groove, 4. magnetic covers, 5. magnetic hysteresis cover, 6. block set, 7. protruding, 8. adjustment plate, 9. shift fork, 10. ratchet, 11. annular tightening covers, 12. ratchets, 13. snail wires, 14. snail wire seats, 15. elastic plugs.

Embodiment

Below in conjunction with embodiment and accompanying drawing, the invention will be further described.

As shown in the figure, the present invention forms primarily of roller 1, mandrel 3, magnetic cover 4, magnetic hysteresis cover 5, block set 6, adjustment plate 8, annular tightening cover 11 and snail wire 13. The bottom of roller 1 inner chamber is fixedly installed a cylinder stent 101 overlapped with its axis, and the inwall of cylinder stent 101 has internal thread, and outer mouth has outside screw; Adjustment plate 8 there is axis hole; Mandrel 3 is arranged in cylinder stent 101 by bearing 2, and its rear end is positioned on the body of cylinder stent 101 intracavity bottom roller 1, and front end is positioned on the axis hole of adjustment plate 8, and mandrel 3 is by driven by motor; Magnetic cover 4 is fixedly set in mandrel 3 rear side surface, and magnetic hysteresis cover 5 is fixed in block set 6, it is also possible to magnetic is overlapped 4 and is fixed in block set 6, and magnetic hysteresis cover 5 is fixedly set in mandrel 3 rear side surface; Block set 6 spinning is in cylinder stent 101 and makes magnetic cover 4 and magnetic hysteresis overlap 5 forming section covers even, overlaps and retains air gap between two surfaces of even part; Adjustment plate 8 is connected to after block set 6; Annular tightening cover 11 spinning at cylinder stent 101 along mouth, and adjustment plate 8 is pushed against; Snail wire 13 is fixedly connected on the front end of mandrel.

In the present embodiment,

The length of magnetic cover 4 and magnetic hysteresis cover 5 is close, is the 1/3-2/3 of mandrel 3 length;

Magnetic cover 4 is permanent magnetism cover;

Magnetic cover 4 is made up of 6-8 magnetic stripe, and adjacent magnetic pole is contrary;

The outer wall of block set 4 is provided with the projection 7 at 3-4 interval, the end face of protruding 7 there is the outside screw suitable with internal thread on cylinder stent 101, the front end of adjustment plate 8 is the shift fork 9 suitable with the gap of protruding 7, shift fork 9 is inserted in the gap of protruding 7, and this kind of design can make adjustment plate 8 can conveniently be plugged in block set 6;

There is ratchet 10 rear end of adjustment plate 8, and locking plate has ratchet 12, and after adjustment plate 8 is good by the position adjustment of magnetic cover 4 or magnetic hysteresis cover 5, ratchet 10 can be automatically locked by ratchet 12, and the magnetic force square after adjustment is remained unchanged;

There is a card groove 301 front end of mandrel 3, and the end of snail wire seat 14 is an elastic plug 15, and snail wire seat 14 can be plugged in card groove 301 easily, and the replacing of snail wire 13 (genus consumable accessory) is convenient in this kind of design.

In the present invention, the induced magnetic field force between magnetic cover 4 and magnetic hysteresis cover 5 provides accurate, constant torsion for snail wire 13, avoids the defect that tradition machinery tension force causes long-term working stability difference by factors such as frictional force, elastic force decay, mechanical wears; Adjustment plate 8 can adjust magnetic cover 4 and the axial location of magnetic hysteresis cover 5 flexibly, in order to regulate the active area of inducedmagnetic field to regulate the size of magnetic field power, screw thread is regulated to belong to Thury thread, Adjustment precision height, and there is self-locking performance, this mechanism ensure that the high precision of tension adjustment, high reliability and high flexibility.

Claims

1. a yarn tension constant device, it is characterised in that: primarily of roller, mandrel, magnetic cover, magnetic hysteresis cover, block set, adjustment plate, annular tightening cover and snail wire composition; Roller intracavity bottom is installed with a cylinder stent overlapped with its axis, and the inside and outside wall of cylinder stent all has screw thread; Mandrel is arranged in cylinder stent, and two ends lay respectively on the axis hole of roller end face and the axis hole of adjustment plate; Magnetic cover is fixedly set in mandrel rear side surface, magnetic hysteresis cover is fixed in block set, or magnetic cover is fixed in block set, and magnetic hysteresis cover is fixedly set in mandrel rear side surface, block set spinning is in cylinder stent and magnetic is overlapped and connects with magnetic hysteresis cover forming section cover, overlaps and leaves air gap between two surfaces connecting part; Adjustment plate is plugged on after block set; Annular tightening cover spinning cylinder stent along mouth and adjustment plate is pushed against; Snail wire is arranged on the front end of mandrel.

2. according to yarn tension constant device according to claim 1, it is characterised in that: the length of described magnetic cover and magnetic hysteresis cover is close, is the 1/3-2/3 of mandrel length.

3. according to the yarn tension constant device described in claim 1 or 2, it is characterised in that: described magnetic cover is permanent magnetism cover or electromagnetic sleeve.

4. according to the yarn tension constant device described in claim 1 or 2, it is characterised in that: described magnetic cover is made up of 6-8 magnetic stripe, and adjacent magnetic pole is contrary.

5. according to yarn tension constant device according to claim 3, it is characterised in that: described magnetic cover is made up of 6-8 magnetic stripe, and adjacent magnetic pole is contrary.

6. according to yarn tension constant device according to claim 1, it is characterised in that: the outer wall of described block set is provided with the projection at 3-4 interval, and protruding end face has the outside screw suitable with cylinder stent internal thread; Adjustment plate front end is the shift fork suitable with the gap of described projection.

7. according to yarn tension constant device according to claim 1, it is characterised in that: there is ratchet the rear end of described adjustment plate, and locking plate has ratchet.

8. according to yarn tension constant device according to claim 1, it is characterised in that: there is a card groove front end of described mandrel, and the afterbody of snail wire has a snail wire seat, and snail wire seat and card groove are suitable.