CN101307524B

CN101307524B - Weft accumulator for loom

Info

Publication number: CN101307524B
Application number: CN2008100626221A
Authority: CN
Inventors: 李伟民
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-06-27
Filing date: 2008-06-27
Publication date: 2010-10-20
Anticipated expiration: 2028-06-27
Also published as: CN101307524A

Abstract

The invention discloses a weft feeder for a weaving machine, comprising a wrap block which is provided with a central shaft hole for rotating, wherein, one side of the wrap block is provided with weft pressing wheels rotating oppositely, a turbine blade is arranged inside the wrap block, the included angle alpha formed between the turbine blade and the circumferential inner surface of the wrap block is less than 45 degrees, the lateral surface of the wrap block is provided with an air inlet, the turbine blade rotates to let air flow into the inner part of the wrap block through the air inlet, and the generated airflow forms pressure from the circumferential outer surface of the wrap block, thereby pressing the weft yarns. The weft storing device can effectively improve the weaving quality of the weaving machine and the working efficiency of the whole machine; the wrap block and the turbine blade rotate simultaneously so that the turbine blade drives air to be absorbed into the wrap block from the air inlet and the generated airflow forms pressure from the circumferential outer surface of the wrap block, thereby pressing the weft yarns; in the weft insertion process, weft yarns are straight and have certain gap between the cone surfaces of the wrap block so that the airflow generated in the air inlet has small attractive force on the weft yarns and the requirement of small weft yarn resistance in the weft insertion process is met.

Description

A kind of loom weft accumulator

Technical field

The present invention relates to a kind of unidirectional picking shuttle-free loom, particularly relate to the length measuring weft storing device in the unidirectional picking shuttle-free loom.

Background technology

As shown in Figure 1 to Figure 3, structural representation for weft accumulator and wrap block thereof in the existing unidirectional picking shuttle-free loom, in existing unidirectional picking shuttle-free loom, generally the length measuring weft storing device of Shi Yonging mainly comprises a metal wrap block 91 and a plastic synchronous circle 92, wrap block 91 is provided with central shaft hole 93 and can rotates, circle 92 is enclosed within circumferential outer surface one side of wrap block 91 synchronously, synchronously circle 92 is wrapped in parallel on the wrap block 91 with wrap block 91 run-in synchronisms, uses during in order to next picking.Weft accumulator adopts such structure to have the following disadvantages: according to the required parallel length difference that is the cloth cover fabric width, the main frame of weaving cotton cloth whenever turns round once fully, wrap block approximately need rotate 3～5 circles, in this time period, have 55% to be the storage latitude phase approximately, the storage latitude phase promptly twines parallel, require that circle is tight more good more synchronously this moment, big more the helping more of resistance of parallel twined; In this time period other about 45% is the picking phase, and the picking phase is promptly carried out picking to the parallel that twines, and according to loom the consumption of parallel carried out replenishing timely, requires this moment synchronously circle to get over Song Yuehao, helps picking more to the resistance of parallel is more little.Storage latitude phase and the picking phase is approximately in 1/10th seconds in the extremely short time period and finishes, and two periods are opposite fully, conflicting to the requirement of synchronous circle, and what cause that loom weaves cotton cloth is second-rate, the inefficiency of loom complete machine.

Summary of the invention

Technical problem to be solved by this invention is to provide a kind of loom weft accumulator, the weft accumulator that can effectively solve the synchronous circle of above-mentioned existing employing is storing up latitude phase and picking during the phase, because it is opposite fully to the requirement of synchronous circle, what cause that loom weaves cotton cloth is second-rate, the ineffective problem of loom complete machine.

In order to solve the problems of the technologies described above, the present invention adopts following technical scheme: a kind of loom weft accumulator, comprise wrap block, wrap block is provided with central shaft hole and can rotates, wrap block one side is provided with the pressure latitude wheel that rotates in opposite directions, it is characterized in that: be provided with turbo blade in the wrap block, the circumferential inner surface of turbo blade and wrap block forms angle α, the size of angle α is α＜45 °, the wrap block side is provided with air inlet, turbo blade rotates air is flowed in the wrap block by air inlet, thereby the air-flow of generation is pushed down parallel to the circumferential outer surface formation pressure of wrap block.

Further, wrap block side, air inlet place is a taper seat, and the axis of taper seat and central shaft hole forms angle β, and the size of angle β is 40 °～50 °.

Further, air inlet is circular, and circular air inlet is concentric with the central shaft hole of wrap block.

Further, air inlet is provided with 4～6.

Further, turbo blade is provided with 15～25.

Further, press the latitude wheel to adopt rubber to make.

The present invention is owing to adopted technique scheme, can effectively improve the quality that loom weaves cotton cloth and the operating efficiency of complete machine, wrap block and turbo blade rotate synchronously, angle α＜45 of the circumferential inner surface of turbo blade and wrap block °, the axis angle β of air inlet place taper seat and central shaft hole is 40 °～50 °, making turbo blade drive air sucks in the wrap block from air inlet, thereby the air-flow that produces is pushed down parallel to the circumferential outer surface formation pressure of wrap block, and the purpose that makes parallel reach winding realizes the storage latitude; Picking during the phase parallel stretch tight very, the level of tightness of storage latitude phase parallel wants high relatively, this moment, the taper seat of parallel and wrap block had certain interval, be to form certain interval between parallel and the air inlet, the air-flow that air inlet is formed is very little to the suction of parallel, satisfy picking during the phase parallel resistance help the requirement of picking for a short time, wrap block adopts turbine type to be equivalent to realize at its circumferential outer surface the synchronous circle of air, thereby has improved loom weave cotton cloth quality and complete machine operating efficiency; And the central shaft hole of wrap block is by the rotating shaft transmission, and roller end is provided with bearing in order to fixed rotating shaft and the friction that reduces rotating shaft, the heat radiation that produces heat in the time of can accelerating bearing operation by the air-flow of turbo blade discharge, the service life of prolongation bearing and weft accumulator.

Description of drawings

The invention will be further described below in conjunction with accompanying drawing:

Fig. 1 is the structural representation of existing weft accumulator;

Fig. 2 is the structural representation of storage long drum in the existing weft accumulator;

Fig. 3 is the cutaway view of Fig. 2;

Fig. 4 is the structural representation of a kind of loom of the present invention with weft accumulator;

Fig. 5 is the rearview of wrap block among the present invention;

Fig. 6 is the front view of wrap block among the present invention;

Fig. 7 is the sectional drawing of A-A among Fig. 6.

The specific embodiment

Extremely shown in Figure 7 as Fig. 4, be the embodiment of a kind of loom of the present invention with weft accumulator, comprise wrap block 1, wrap block 1 one sides are provided with the rubber that rotates in opposite directions and neutralize latitude wheel 4, parallel is sandwiched in presses between latitude wheel 4 and the wrap block 1, wrap block 1 is provided with central shaft hole 11 and can rotates, be provided with 15～25 turbo blades 2 in the wrap block 1, preferred turbo blade 2 is provided with 20, turbo blade 2 forms angle α with the circumferential inner surface of wrap block 1, the size of angle α is α＜45 °, and preferred angle α adopts 40 °; Wrap block 1 side is provided with 4～6 air inlets 3, preferred air inlet 3 is provided with 4, air inlet 3 place wrap blocks 1 side is a taper seat, the axis of taper seat and central shaft hole 11 forms angle β, the size of angle β is 40 °～50 °, preferred angle β adopts 45 °, and air inlet 3 is circular, and circular air inlet 3 is concentric with the central shaft hole 11 of wrap block 1.

The course of work of the present invention is as follows: wrap block 1 and turbo blade 2 rotate synchronously, turbo blade 2 makes air flow in the wrap block 1 by air inlet 3, thereby the air-flow that produces is pushed down parallel 5 to the circumferential outer surface formation pressure of wrap block 1, and the purpose that makes parallel 5 reach winding realizes the storage latitude; Picking during the phase parallel 5 stretch tight very, the level of tightness of storage latitude phase parallel 5 wants high relatively, this moment, parallel 5 had certain interval with the taper seat of wrap block 1, be to form certain interval between parallel 5 and the air inlet 3, the air-flow that air inlet 3 is formed is very little to the suction of parallel 5, satisfy picking during the phase parallel resistance help the requirement of picking for a short time.

Turbo blade 2 is The more the better, air inlet 3 amount of counting accurately more is The more the better, in actual applications, the parallel thickness changes along with the difference of cloth cover quality requirements, when running into than the fine filling line, when just required absorption affinity descends, can be according to circumstances embed in the air inlet 3 its sealing, reduce absorption affinity with rubber band.

Claims

1. loom weft accumulator, comprise wrap block (1), wrap block (1) is provided with central shaft hole (11) and can rotates, wrap block (1) one side is provided with the pressure latitude wheel (4) that rotates in opposite directions, it is characterized in that: be provided with turbo blade (2) in the described wrap block (1), turbo blade (2) forms angle α with the circumferential inner surface of described wrap block (1), the size of angle α is α＜45 °, described wrap block (1) side is provided with air inlet (3), described turbo blade (2) rotates and makes air pass through air inlet (3) to flow in the described wrap block (1), air-flow to described wrap block (1) thus circumferential outer surface form pressure and push down parallel.

2. a kind of loom weft accumulator according to claim 1 is characterized in that: described air inlet (3) place wrap block (1) side is a taper seat, and the axis of taper seat and central shaft hole (11) forms angle β, and the size of angle β is 40 °～50 °.

3. a kind of loom weft accumulator according to claim 1 and 2 is characterized in that: described air inlet (3) is for circular, and circular air inlet (3) is concentric with the central shaft hole (11) of described wrap block (1).

4. a kind of loom weft accumulator according to claim 3 is characterized in that: described air inlet (3) is provided with 4～6.

5. a kind of loom weft accumulator according to claim 1 is characterized in that: described turbo blade (2) is provided with 15～25.

6. a kind of loom weft accumulator according to claim 1 is characterized in that: described pressure latitude wheel (4) adopts rubber to make.