CN202954176U

CN202954176U - Multi-stroke top roller bearing convenient to adjust

Info

Publication number: CN202954176U
Application number: CN 201220632643
Authority: CN
Inventors: 陆应航
Original assignee: YANCHENG XINQITIAN MACHINERY MANUFACTURING Co Ltd
Current assignee: YANCHENG XINQITIAN MACHINERY MANUFACTURING Co Ltd
Priority date: 2012-11-27
Filing date: 2012-11-27
Publication date: 2013-05-29
Anticipated expiration: 2022-11-27

Abstract

The utility model relates to a multi-stroke top roller bearing convenient to adjust. The multi-stroke top roller bearing convenient to adjust comprises an outer shell, a core shaft and a rubber roller, wherein the middle portion of the core shaft is provided with a plurality of abacus bead type arc steps, a plurality of holding grooves are formed between every two adjacent arc steps, the width of a groove bottom of each holding groove is larger than or equal to the thickness of a single side of a rocking frame holding clamp, and at least two grooves of the plurality of holding grooves can be simultaneously clamped by two sides of the rocking frame holding clamp. According to the multi-stroke top roller bearing convenient to adjust, the plurality of holding grooves are formed in the core shaft, the axial positions of the holding grooves are clamped through changing of the rocking frame holding clamp, changing, relative to a yarn stroke area position, of a rubber roller is achieved, and therefore the utilization rate of the rubber roller is enabled to be maximized. Due to the fact that adjacent holding grooves are transited through protruding arcs, proper force is exerted on the axial direction of the top roller bearing, the rocking frame holding clamp can slide from one groove into another groove, and rapid position changing is achieved. The multi-stroke top roller bearing convenient to adjust has the advantages of being simple in structure, stable in holding, high in utilization rate of the rubber roller, capable of saving spinning cost and the like.

Description

A kind of many traverses of convenient regulating type upper roller bearing

Technical field

The utility model relates to a kind of upper roller bearing, particularly in a kind of upper roller bearing, can conveniently regulate the holding file structure of the traverse position of spinning, and belongs to weaving special part design and manufacturing technology field.

Background technology

The roller bearing traditionally of producing both at home and abroad at present as shown in Figure 1, comprises shell 1, mandrel 2, rubber roll 6, and mandrel 2 is provided with the holding file that width is b.In work, the upper and

lower gripping card

3 and 5 of reel cage snaps in holding file and the mandrel 2 of holding with a firm grip under the spring power effect of reel cage making leaf spring 4, when reel cage, depresses when the rubber roll 6 in upper roller bearing is close to the roller shaft in rotation, forms the drawing-off jaw of spinning machine.While due to the gripping card of reel cage, snapping in the holding stop of upper roller bearing, the axial location of upper roller bearing is fixed on reel cage, therefore can't realize axial displacement.Technique by spinning determines, yarn exists amplitude of oscillation traverse in drafting process, and this amplitude of oscillation traverse generally is set on 6～8mm, and effective active length of whole rubber roll reaches 24mm, that is to say the actual operating position that has only utilized 6～8mm length on effective active length of rubber roll 24 mm, the utilization rate of its rubber roll only has 30%.In recent years along with improving constantly that spinning quality requires, a kind of compact spinning technique constantly promotes the use in China, and the spinning amplitude of oscillation traverse of compact spinning technique generally only is set in the 3mm left and right, also have its spinning traverse of a kind of spandex core-spun yarn less, still adopt the general ring traditional handicraft method of spinning the upper roller bearing rubber roll of splitting and will make the utilization rate of rubber roll lower under such traverse, it does not meet high efficiency, sustainable development cheaply.Therefore textile industry, particularly compact spinning textile enterprise urgently wish the upper roller bearing that a kind of utilization rate that can make rubber roll significantly rises and come out.

Summary of the invention

Single traverse only is set and causes the technical deficiency that the rubber roll utilization rate is low in order to change roller bearing traditionally, the utility model proposes a kind of many traverses of convenient regulating type upper roller bearing.

The utility model Bian implements by following technical scheme, a kind of many traverses of convenient regulating type upper roller bearing, comprise shell, mandrel, rubber roll, it is characterized in that the middle part of described mandrel is provided with the arc steps of multiple tracks abacus bead formula, between every adjacent two arc steps, form many gripping grooves; The bottom land width of described gripping groove is more than or equal to the monolateral thickness of cradle holding card; In described many gripping grooves, have at least two grooves to be snapped in by the both sides of cradle holding card simultaneously.

The utility model by arranging many gripping grooves on mandrel, and snap in the axial location of gripping groove by conversion cradle holding card, realize the conversion with respect to yarn traverse regional location of rubber roll on upper roller bearing casing, thereby make the utilization rate of rubber roll reach maximization; Due to the utility model between every adjacent gripping groove by protruding arc transition, thereby it is more convenient that the cradle holding card is converted while snapping in gripping groove, as long as upper roller bearing axially impose suitable power, the cradle holding card just from then on groove slip into those grooves and fast conversion upper roller bearing with respect to the axial location of reel cage.

The utlity model has simple in structure, the advantages such as gripping is firm, the rubber roll utilization rate is high, saving spinning cost.

The accompanying drawing explanation

Fig. 1 is roller bearing cradle holding card grip position schematic diagram traditionally;

Fig. 2 is that the utility model structural representation and cradle holding are positioned in the position view while gripping middle part;

Fig. 3 is that the utility model cradle holding is positioned in the position view while gripping left part;

Fig. 4 is that the utility model cradle holding is positioned in the position view while gripping right part.

In Fig. 2,3,4: grip on 1 shell, 2 mandrels, 201 arc steps, 202 gripping grooves, 3 reel cages under card, 4 reel cage making leaf springs, 5 reel cages and grip card, 6 rubber rolls.

The specific embodiment

As shown in Figure 2, shell 1 use steel ball and retainer are contained on mandrel 2, are inserted in rubber roll 6 on the external cylindrical surface of shell 1; The middle part of mandrel 2 is provided with the arc steps 201 of five road abacus bead formulas, between every adjacent two arc steps 201, forms four gripping grooves 202, forms two gripping grooves 202 between the end face of two ends arc steps 201 and mandrel 2 large cylindricals; The bottom land width of gripping groove 202 is more than or equal to the monolateral thickness of the upper and lower gripping card 3 of reel cage and 5; Article six, in gripping groove 202, have at least two grooves to be snapped in by the both sides of the upper and lower gripping card 3 of reel cage and 5 simultaneously.

As shown in Figure 3, in ring splits and spins, because the ring spinning traverse of spinning of splitting is arranged between 6～8mm, therefore the both sides of the upper and lower gripping card 3 of reel cage and 5 are snapped in to the first from left gripping groove 202 and left four gripping grooves 202 in mandrel 2 simultaneously, mandrel 2 is fixed under the spring power effect of reel cage making leaf spring 4, thereby obtains 6～8mm traverse zone a ' of rubber roll 6 left parts.

As shown in Figure 4, after work a period of time (approximately 3～4 months), the both sides of the upper and lower gripping card 3 of reel cage and 5 are snapped in to a left side three gripping grooves 202 and left six gripping grooves 202 in mandrel 2 simultaneously, obtain thus 6～8mm traverse zone a of rubber roll 6 right parts ".At rubber roll 6 external cylindrical surfaces one tempered in the cycle like this, had realized the twice utilization rate, and formed two traverses zone a ' and a " not overlapping.

In compact spinning frame, because the spinning traverse of compact spinning is arranged between 3～4mm, snap in the second from left gripping groove 202 as shown in Figure 2 of the utility model and left five gripping grooves 202 position and while working, the amplitude of oscillation traverse of yarn is in the zone of the traverse shown in Fig. 2 a(3～4mm under the upper and lower gripping card 3 of reel cage and 5 power of the spring at reel cage making leaf spring 4 effects); Snap in the first from left gripping groove 202 as shown in Figure 3 of the utility model and left four gripping grooves 202 position and while working, the amplitude of oscillation traverse of yarn is in the zone of the traverse shown in Fig. 3 a ' (3～4mm) under the upper and lower gripping card 3 of reel cage and 5 power of the spring at reel cage making leaf spring 4 effects; Snap in a left side three gripping grooves 202 as shown in Figure 3 of the utility model and left six gripping grooves 202 position and while working, the amplitude of oscillation traverse of yarn is in the zone of the traverse shown in Fig. 3 a " (3～4mm) under the upper and lower gripping card 3 of reel cage and 5 power of the spring at reel cage making leaf spring 4 effects.At rubber roll 6 external cylindrical surfaces one tempered in the cycle like this, had realized three times of utilization rates, and formed three traverses zone a, a ' and a " not overlapping.

Due to the utility model between every adjacent gripping groove 202 by 201 transition of protruding arc steps, therefore the upper and lower gripping card 3 of reel cage and 5 quite convenient when conversion snaps in gripping groove 202, as long as axially impose suitable power at upper roller bearing, the upper and lower gripping card 3 of reel cage and 5 both sides, just can slip into smoothly in the second from left gripping groove 202 and left five gripping grooves 202 from the first from left gripping groove 202, left four gripping grooves 202, thereby fast conversion upper roller bearing is with respect to the axial location of reel cage.

Claims

1. many traverses of convenient regulating type upper roller bearing, comprise shell, mandrel, rubber roll, it is characterized in that the middle part of described mandrel is provided with the arc steps of multiple tracks abacus bead formula, between every adjacent two arc steps, forms many gripping grooves.

2. a kind of many traverses of convenient regulating type upper roller bearing according to claim 1, is characterized in that the bottom land width of described gripping groove is more than or equal to the monolateral thickness of cradle holding card.

3. a kind of many traverses of convenient regulating type upper roller bearing according to claim 1 is characterized in that in described many gripping grooves having at least two grooves to be snapped in by the both sides of cradle holding card simultaneously.