CN206521553U

CN206521553U - Modified spool

Info

Publication number: CN206521553U
Application number: CN201620790214.8U
Authority: CN
Inventors: 华卫国
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-07-25
Filing date: 2016-07-25
Publication date: 2017-09-26
Anticipated expiration: 2026-07-25

Abstract

The utility model is related to a kind of modified spool, including spool body, it is characterised in that：The bottom of the spool body inner hole wall is provided with the unidirectional transmission for being used for holding spindle tightly.The utility model is simple in construction, compact, reasonable, by setting unidirectional transmissions of the Ji Quan including outer roll body in spool, after spool is set on spindle, unidirectional transmission is set to occur overdrive clutch effect by the rotation of spindle, ensure that spool is combined closely with spindle, and rotating speed is faster, with reference to more firm, be not in the phenomenon that throws switch, spinning quality can be greatly improved.

Description

Modified spool

Technical field

The utility model is related to a kind of modified spool, belongs to ring spinning apparatus technical field.

Background technology

Textile industry is one of traditional industries of China, and textile machine gets up also with Chinese Textile Industry, and automatic doffing is filled It is necessary device in spinning link to put, spindle（Also known as spindle）It is one of core component of ring spinning process.It is main at present RING SPINNING that splits have two kinds of polished rod spindle and aluminium bar spindle, their most important differences are transmission moments of torsion between spindle and spool Mode is different.It is that moment of torsion is transmitted by the CONTACT WITH FRICTION between tapered cylinder face between previous polished rod spindle and spool.Thereafter It is by be evenly distributed on spindle blade three steel balls and spool with resilient support between the aluminium bar spindle and spool of exploitation Corresponding points on wall contact to transmit moment of torsion.For polished rod spindle, it is due to being that face is contacted between spool, and frictional force is very Greatly, the situation for often occurring not pull out during tube drawing or even being pulled together with spindle blade, causes the serious accidents such as black thread.For aluminium For bar spindle, because steel ball thereon is little to the contact of spool（Due to the effect contact of centrifugal force during driving It will greatly increase）, so when pulling out spool, the tube drawing power very little of required application is easy to operate, safe.

Therefore in Automatic doffing devices extension process, many enterprises, which are substantially, changes polished rod spindle into aluminium bar spindle, Per ingot, transformation takes just up to nearly 50 yuan only this item.It is different plus the spool of two kinds of spindle adaptations, with supporting 8 spools of each spindle Calculate, must take per ingot plus nearly 20 yuan of spool transformation, be that cost is not striking.And the spindle replaced can only with spool Scrap, more cause the waste of huge social resources.

To solve the above problems, applicant researches and develops a kind of improved polished rod spindle（Application number CN201610083805.6）, It on spindle by setting unidirectional transmission, and the connection of spool and spindle is very tight without what is inserted, can be easier spool Ground is extracted from spindle blade, and operation is light, greatlys save the improvement cost of automatic doffing, is prevented effectively from the wasting of resources.But in reality Border influences production efficiency, sometimes in use, the yarn being scattered on spool is easily adhered on the roller for being wound into unidirectional transmission Wait winding and extremely also want detachable maintaining afterwards, inconvenience is brought to production.

The content of the invention

The purpose of this utility model is to overcome the deficiencies in the prior art there is provided a kind of modified spool, and it is tied Structure is simple, compact, reasonable, and improvement cost is low, can not only make spool be easy to extract from spindle blade, operation is light, and does not deposit The defect for the roller for being wound into unidirectional transmission is easily adhered in yarn, the improvement cost of automatic doffing is saved, and effectively Avoid the wasting of resources.

The technical scheme provided according to the utility model：Modified spool, including spool body, it is characterised in that：It is described The bottom of spool body inner hole wall is provided with the unidirectional transmission for being used for holding spindle tightly.

As further improvement of the utility model, the top of the spool body inner hole wall is provided with locating ring, described fixed Position ring can be slidably matched during spool dress is pulled out with spindle.

As further improvement of the utility model, the unidirectional transmission includes Ji Quan and roll body, and the Ji Quan consolidates It is scheduled in spool body, base circle endoporus perisporium is provided with an at least row raceway group, each column raceway group includes several circumferentially The depth of all raceways in uniform raceway, each column raceway group is to be gradually become shallower as along equidirectional from one end to the other end；Institute The diameter for stating the inner outline of whole roll bodies in insert roll body in raceway, each column raceway group is less than on Ji Quan at the row raceway group Internal diameter.

As further improvement of the utility model, the roll body number in each column raceway group is at least three.

As further improvement of the utility model, the roll body is spheroid, cylinder or voussoir.

As further improvement of the utility model, the unidirectional transmission also includes retainer, the retainer peace On Ji Quan, the roll body is in retainer, and the diameter of the inner outline of whole roll bodies on retainer is less than retainer Internal diameter.

As further improvement of the utility model, the base circle endoporus perisporium is above-listed provided with two row raceway groups up and down Roll body diameter in raceway group is more than the roll body diameter in following raceway group.

As further improvement of the utility model, the unidirectional transmission and locating ring are after spool shaping with interference Fit system is embedded into spool body.

As further improvement of the utility model, on the spool body inner hole wall be used for install unidirectional transmission and Fluted or convex tendon is reserved in the position of locating ring, and the outer wall of the unidirectional transmission and locating ring is convex provided with corresponding matching Muscle or groove.

As further improvement of the utility model, the locating ring in spool injection molding process with spool bulk junction It is integrated.

The utility model compared with prior art, has the following advantages that：

1）, the utility model it is simple in construction, compact, reasonable, by spool set a Ji Quan including outer roll body Unidirectional transmission, after spool is set on spindle, by the rotation of spindle make unidirectional transmission occur overdrive clutch make With, it is ensured that spool is combined closely with spindle, and rotating speed is faster, is not in the phenomenon that throws switch with reference to more firm, can be carried significantly High spinning quality.

2）, the utility model parking when easily spool can be extracted from spindle, make existing polished rod spindle and yarn The same tube drawing efficiency of aluminium bar ingot can be reached after pipe effect, the improvement cost of automatic doffing is greatlyd save, it also avoid because changing The problem of resource waste that the spindle displaced is scrapped and caused with spool is made, improvement cost is reduced, with wide application and popularizations Value.

Brief description of the drawings

Fig. 1 is the structural representation of the utility model embodiment.

Fig. 2 is the structure top view of unidirectional transmission in Fig. 1.

Description of reference numerals：1- spools body, 2- unidirectional transmissions, 2.1- Ji Quan, 2.1a- raceway, 2.2- roll bodies, 2.3- retainers, 3- locating rings, 4- spindles.

Embodiment

With reference to specific drawings and examples, the utility model is described in further detail.

As shown in figure 1, the modified spool in embodiment mainly includes spool body 1, the inner hole wall of spool body 1 Bottom is provided with the unidirectional transmission 2 for being used for holding spindle 4 tightly, and the unidirectional transmission 2 is connected to transmit moment of torsion with spindle 4. The top of the inner hole wall of spool body 1 is provided with locating ring 3, and the locating ring 3 can be slided during spool dress is pulled out with spindle 4 Dynamic to coordinate, locating ring 3 is used to prevent spool top from rocking in high-speed rotation.

Fig. 2 is a kind of unidirectional transmission 2 being preferred to use, and it is not only simple in structure, and when rotating speed is higher to yarn The enclasping force of ingot 4 is bigger.The unidirectional transmission 2 mainly includes base circle 2.1 and roll body 2.2, and the base circle 2.1 is fixed on spool In body 1, the endoporus perisporium of base circle 2.1 is provided with an at least row raceway group, and each column raceway group is evenly distributed including several Raceway 2.1a, the depth of all raceway 2.1a in each column raceway group be along spool work when direction of rotation from one end to The other end gradually becomes shallower as；The inner outline X of whole roll bodies 2.2 in insert roll body 2.2 in the raceway 2.1a, each column raceway group Diameter be less than internal diameter on base circle 2.1 at the row raceway group.

In addition, the unidirectional transmission 2 can also use such as freewheel clutch, unilateral bearing.

In the utility model, the number of the roll body 2.2 in each column raceway group is at least three, so can be with spindle 4 Coordinate, it is ensured that supporting ＆ stablizing.The roll body 2.2 can be spheroid, cylinder or voussoir.

As shown in Fig. 2 the unidirectional transmission 2 is additionally provided with the retainer 2.3 for limiting the scope of activities of roll body 2.2, it is described Retainer 2.3 is arranged on base circle 2.1, and the roll body 2.2 is in retainer 2.3, whole roll bodies 2.2 on retainer 2.3 Inner outline X diameter be less than retainer 2.3 internal diameter.

In the utility model, the roll body 2.2 on the unidirectional transmission 2 in each row raceway group can be designed as needed Into the form that diameter dimension is identical or diameter dimension is different.For example, the endoporus perisporium of base circle 2.1 is provided with two row raceways up and down The diameter of roll body 2.2 in group, above-listed raceway group is more than the diameter of roll body 2.2 in following raceway group.Such unidirectional transmission 2 Can more perfectly it be matched with the spindle 4 with taper.

In the utility model, the unidirectional transmission 2 is with interference fit to be embedded into spool after spool shaping In body 1.In order to ensure that the combination of unidirectional transmission 2 and locating ring 3 and spool is more accurate close, in the spool body 1 It is used to unidirectional transmission 2 be installed on hole wall and fluted or convex tendon, the unidirectional transmission 2 is reserved in the position of locating ring 3 The convex tendon or groove of corresponding matching are provided with the outer wall of locating ring 3.

In the utility model, the combination of the locating ring 3 and spool body 1 has two kinds：First, locating ring 3 is in spool It is embedded into after shaping with interference fit in spool body 1.2nd, locating ring 3 in spool injection molding process with spool sheet Body 1 is combined as a whole.In the utility model, the locating ring 3 is preferred to use the good material of wearability and is made, and can be nonmetallic Material such as engineering plastics or metal material such as tin bronze.

Operation principle and the course of work of the present utility model are as follows：

Modified spool of the present utility model is sleeved on polished rod spindle 4, it is unidirectional in spool when spindle 4 is not rotated The roll body 2.2 of transmission device 2 and the wall contacts of spindle 4, but the contact very little between roll body 2.2 and spindle 4；When spindle 4 is opened When beginning to rotate, spindle 4 drives the roll body 2.2 being in contact with it to be rolled along raceway 2.1a, and roll body 2.2 is in raceway 2.1a from depth Deeper one end is to the shallower end motion of depth, so that the medial and lateral of roll body 2.2 all the time with the outer wall of spindle 4, Ji Quan 2.1 keep contact, so as to realize the moment of torsion transmission between base circle 2.1 and spindle 4, are also achieved that the moment of torsion between spool and spindle 4 Transmission；And the rotating speed of spindle 4 is higher, the contact between roll body 2.2 and spindle 4 is bigger, and transmission effect is better.

When spindle 4 tapers off rotation, the rotating speed of spindle 4 is gradually reduced, and spool also has the inertia for keeping former speed, this Sample will make the contact between roll body 2.2 and spindle 4 just less and less, and when spindle 4 stops completely, spool can be easily Pulled up from spindle 4.

Claims

1. modified spool, including spool body（1）, it is characterised in that：The spool body（1）The bottom of inner hole wall is provided with use In holding spindle（4）Unidirectional transmission（2）.

2. modified spool as claimed in claim 1, it is characterised in that：The spool body（1）The top of inner hole wall is provided with Locating ring（3）, the locating ring（3）Can be with spindle during spool dress is pulled out（4）It is slidably matched.

3. modified spool as claimed in claim 1, it is characterised in that：The unidirectional transmission（2）Including Ji Quan（2.1） And roll body（2.2）, the Ji Quan（2.1）It is fixed on spool body（1）It is interior, Ji Quan（2.1）Endoporus perisporium is provided with least one row Raceway group, each column raceway group includes several raceways being evenly distributed（2.1a）, all raceways in each column raceway group （2.1a）Depth be along spool work when direction of rotation gradually become shallower as from one end to the other end；The raceway（2.1a）It is interior Insert roll body（2.2）, whole roll bodies in each column raceway group（2.2）Inner outline（X）Diameter be less than Ji Quan（2.1）It is upper to be somebody's turn to do Internal diameter at row raceway group.

4. modified spool as claimed in claim 3, it is characterised in that：Roll body in each column raceway group（2.2）Number is at least For three.

5. modified spool as claimed in claim 3, it is characterised in that：The roll body（2.2）For spheroid, cylinder or wedge Block.

6. modified spool as claimed in claim 3, it is characterised in that：The unidirectional transmission（2）Also include retainer （2.3）, the retainer（2.3）Installed in Ji Quan（2.1）On, the roll body（2.2）Mounted in retainer（2.3）It is interior, retainer （2.3）On whole roll bodies（2.2）Inner outline（X）Diameter be less than retainer（2.3）Internal diameter.

7. modified spool as claimed in claim 3, it is characterised in that：The Ji Quan（2.1）Above and below endoporus perisporium is provided with Roll body in two row raceway groups, above-listed raceway group（2.2）Diameter is more than the roll body in following raceway group（2.2）Diameter.

8. modified spool as claimed in claim 2, it is characterised in that：The unidirectional transmission（2）And locating ring（3） Spool body is embedded into interference fit after spool shaping（1）It is interior.

9. modified spool as claimed in claim 8, it is characterised in that：The spool body（1）It is used to install on inner hole wall Unidirectional transmission（2）And locating ring（3）Position reserve fluted or convex tendon, the unidirectional transmission（2）And locating ring （3）Outer wall be provided with corresponding matching convex tendon or groove.

10. modified spool as claimed in claim 2, it is characterised in that：The locating ring（3）In spool injection molding process In with spool body（1）It is combined as a whole.