KR840000329B1 - An air ejection methods of sub-nozzle in the jet looms - Google Patents

An air ejection methods of sub-nozzle in the jet looms Download PDF

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KR840000329B1
KR840000329B1 KR1019800003007A KR800003007A KR840000329B1 KR 840000329 B1 KR840000329 B1 KR 840000329B1 KR 1019800003007 A KR1019800003007 A KR 1019800003007A KR 800003007 A KR800003007 A KR 800003007A KR 840000329 B1 KR840000329 B1 KR 840000329B1
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nozzle
air
auxiliary
flow rate
sub
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KR830003610A (en
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마사미쑤 오오야
히로시 아라가와
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가부시끼 가이샤 도요다 지도우 쇽끼 세이사꾸쇼
도요다 요시도시
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    • DTEXTILES; PAPER
    • D03WEAVING
    • D03DWOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D47/00Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms
    • D03D47/28Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms wherein the weft itself is projected into the shed
    • D03D47/30Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms wherein the weft itself is projected into the shed by gas jet
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/02Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to produce a jet, spray, or other discharge of particular shape or nature, e.g. in single drops, or having an outlet of particular shape

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Looms (AREA)

Abstract

This invention relates to ejection methods for a subnozzle, which is divided into two parts to confront the speed of a running fluid from the main nozzle (4). The sub-nozzle (5) carrying the running fluid at low speed, ejects the fluid at higher speed or in larger quantities that the sub-nozzle (5) receiving the high speed running fluid from the main nozzle.

Description

젯트 직기에 있어서 보조노즐의 공기 분사방법Air injection method of auxiliary nozzle in jet loom

제1도는 종래의 보조노즐을 사용한 경우의 유속곡선도.1 is a flow velocity curve when a conventional auxiliary nozzle is used.

제2도는 본 발명에 관한 위입장치의 평면도.2 is a plan view of the indentation apparatus according to the present invention.

제3도는 보조노즐만의 유속선도.3 is a flow velocity diagram of the auxiliary nozzle only.

제4도는 주노즐과 보조노즐의 공기류(流)의 합성유속도이다.4 is the combined flow velocity of the air flow between the main nozzle and the auxiliary nozzle.

본 발명은 젯트 직기에 있어서 보조노즐의 공기분사 방법에 관한 것이다.The present invention relates to an air injection method of an auxiliary nozzle in a jet loom.

통상 비이팅(筬打) 운동하는 슬레이 상면에 다수 병설된 위사가이드의 통로내에 주노즐로부터 분사되는 공기류(流)에 의하여 위사를 삽입하여 위입동작이 행하여지나 이 주노즐로부터의 거리가 크게 될수록 분사되는 공기의 유속이 저하되고 위사가이드를 사용하지 않은 경우에는 제1(a)도에 표시한 바와 같은 유속곡선이 되며

Figure kpo00001
자상의 통로를 가진 위사가이드를 사용할 경우에는 제1(b)도에 표시된 바와 같이 유속의 저하가 약간 적어지게되고 또한 환상의 통로를 가진 위사가이드의 경우에는 제1(c)도와 같이 유속의 저하가 적어지고 제1(d)도로 표시하는 유속이 높고 또한 일정한 이상으로 가까워져서 위입동작을 안정시켜서 행할수 있게 된다.Normally, the weft action is performed by inserting the weft by the air flow injected from the main nozzle in the passage of the weiss guide, which is arranged on the upper surface of the slae which is beating, but the distance from the main nozzle increases. If the flow rate of the injected air drops and weiss guide is not used, the flow rate curve as shown in Fig. 1 (a) will be
Figure kpo00001
In the case of using a weiss guide with a magnetic path, the flow rate decreases slightly as shown in FIG. 1 (b). In the case of a weiss guide with an annular passage, the flow rate decreases as shown in FIG. 1 (c). The flow rate indicated by the first (d) degree is decreased, and the flow velocity indicated by the first (d) degree is high and close to a certain abnormality.

그러데 전기한 위사가이드를 사용한 두가지의 예는 어느것이나 슬레이 상면에 등간격으로 설치한 복수개의 보조노즐로부터 동속도, 동량의 공기를 분사하여 위입동작을 조세(助勢)하고 있으나 주노즐로부터의 거리가 멀어질수록 거의 위입동작 후반에서 제1(e)도로 표시한 위입을 안정시켜 행하는데 필요한 최저유속을 갈라버리게되어 위사의 좌굴(坐屈)이 일어나서 위입미스가 된다는 결함이 있었다.However, the two examples using the above-mentioned weiss guides inject the same speed and the same amount of air from a plurality of auxiliary nozzles installed at equal intervals on the upper surface of the sleigh, but the entraining action is regulated. The farther it is, the lower the flow rate required for stabilizing the indentation indicated by the first (e) degree in the second half of the indentation operation is split, and there is a defect that the buckling of the weft occurs and becomes a false inlet.

본 발명은 상기한 결함을 해소시키기 위하여 제안된 것으로서, 그 목적은 주노즐로부터의 분사공기의 영향이 적어지는 영역에 있어서 보조노즐로부터 공기를 고속 및 또는 다량으로 분사함으로써 위입동작후반에 있어서 주노즐로부터의 공기류를 위입안정 최저유속보다 높혀서 위입을 안정하게 행할수 있는 젯트직기에 있어서 보조노즐의 공기 분사방법을 제공하는데 있다.The present invention has been proposed in order to solve the above-mentioned defects, and its object is to inject air at a high speed or a large amount from the auxiliary nozzle in the region where the influence of the injection air from the main nozzle is small, thereby causing the main nozzle in the latter half of the indentation operation. The present invention provides a jetting method of an auxiliary nozzle in a jet loom capable of stably increasing the air flow from the upper flow rate above the minimum flow rate.

이하 본 발명은 구체화한 한가지 실시예를 제2도-제4도에 대하여 설명한다.Hereinafter, one embodiment of the present invention will be described with reference to FIGS.

도면 중 1은 전후로 요동되는 슬레이로서 그 상면에는 바디 2가 착설되어 있다.In the figure, 1 is a sled that swings back and forth, and a body 2 is installed on its upper surface.

3은 전기한 슬레이 1의 상면에 대하여 등간격으로 다수 병설한 위사가이드로서 위입용의 주노즐로부터 분사되는 공기 및 이 공기를 타고 비주(飛走)되는 위사의 통로 3a를 형성하고 있다.3 is a weft guide provided in parallel at equal intervals with respect to the upper surface of Slae 1 mentioned above, and forms the air which is injected from the main nozzle for entrainment, and the path 3a of the weft of the weft in which this air escapes.

그리고 이 위사가이드중에 다음에 설명하는 보조노즐5와 대응하는 위사가이드 3'의 통로 3a'를 측방으로 개구하는

Figure kpo00002
자상 타입이 되게하고 나머지의 위사가이드 3은 상측부를 약간 개구할뿐인 환상타입이 되게 한다.In this weiss guide, the passage 3a 'of the weiss guide 3' corresponding to the auxiliary nozzle 5 described below is laterally opened.
Figure kpo00002
It becomes a magnetic pole type, and the remaining weiss guide 3 becomes an annular type which only slightly opens the upper part.

5는 전기한 슬레이 1 상면에 대하여

Figure kpo00003
자상타입의 위사가이드 3'와 대응하여 입설한 보조노즐로서 주노즐 4 가까이의 전반분의 보조노즐군 F는 이노즐 4측으로부터 위사가이드 3을 셋건너마다 복수개 배설하고 나머지의 후반분의 보조노즐군 B는 위사가이드 3을 들건너마다 복수개 배설하고 있다. 또 전반보조노즐 F로부터는 공기를 저속으로 분사시켜서 후반보조노즐 B군로부터는 동일 또는 따른 공지공급원(도시생략)을 사용하여 공기를 전기전반 보조노즐군 F보다 많은 공기량으로 분사하도록 하고있다.5 is for the top surface of the sled 1
Figure kpo00003
Auxiliary nozzles installed in correspondence with the weiss guide 3 'of the stab type, and the auxiliary nozzle group F of the first half near the main nozzle 4 discharges a plurality of the weiss guide 3 from each of the four nozzles every three times, and the auxiliary nozzles for the remaining second half. Group B excises plural Weiss Guide 3 each time. In addition, the air is sprayed at a low speed from the first and second auxiliary nozzles F, and the air is injected from the second and second subsidiary nozzle group B using a known supply source (not shown) with a larger amount of air than the electric auxiliary nozzle group F.

지금 젯트직기가 운전되어 주노즐 4로부터 공기가 분사되며 이 공기류를 타고 위사가 위사가이드 3, 3'의 통로 3a, 3a' 내에 삽입된다.The jet loom is now driven and the air is injected from the main nozzle 4 and the weft is inserted into the passages 3a and 3a 'of the weiss guides 3 and 3' via the airflow.

그리고 위사의 비주와 등기적으로 보조노즐 5로부터 공기가 분사되어 통로 3a, 3a' 내의 공기의 유속이 조세(助勢)된다.Air is injected from the auxiliary nozzle 5 at the same time as the weft of the weft, and the flow velocity of the air in the passages 3a and 3a 'is regulated.

이보조노즐 5만에 의한 양노즐군 F, B와 공기유속의 관계를 표시하면 제3도와 같이 후반노즐군 B에서 약 2배의 조세작용이 생기고 따라서 이 평균치적 유속에 의한 조세작용을 제4도에 표시한 전술한 주노즐 4만의 공기의 유속곡선(c)에 가하면 제4(f)도에 표시한 바와 같이 후반노즐군 B측에 있어서 안정된 위입에 필요한 최저공기유속(e)를 넘게되어 위입을 원활하게 행할수가 있다.When the relationship between the two nozzle groups F and B and the air flow rate by the secondary nozzle 50,000 is shown, the second nozzle group B generates about twice the tax action as shown in FIG. When the air flow curve c of the main nozzle 40,000 shown in the figure is applied to the air flow curve c, as shown in FIG. 4 (f), the minimum air flow rate e required for stable entrainment on the B side of the latter nozzle group is exceeded. It can be performed smoothly.

또한 본 발명은 다음과 같은 실시예로 구체화 시킬수도 있다.In addition, the present invention can be embodied in the following examples.

(ㄱ) 보조노즐 5를 전부 등간격으로 배치하여 후반 보조노즐군 B로부터 전반보조노즐군 F보다도 고속으로 공기를 분출시킴.(A) All of the auxiliary nozzles 5 are arranged at equal intervals to eject air from the latter auxiliary nozzle group B at a higher speed than the first auxiliary nozzle group F.

(ㄴ) 보조노즐 5의 배설(配設) 밀도를 주노즐 4로부터 떨어짐에 따라서 연속적 또는 단계적으로 커지도록 해나감.(B) The excretion density of auxiliary nozzle 5 is increased continuously or stepwise as it falls from main nozzle 4.

(ㄷ) 전반보조노즐군 F보다도 후반보조노즐군 B의 분출구의 지름을 크게하고 또는 분출구의 수를 많게하여 분출공기량을 많게 함.(C) The diameter of the ejection openings of the latter auxiliary nozzle group B is made larger than that of the first auxiliary nozzle group F, or the number of ejection openings is increased to increase the ejection air volume.

또는 보조노즐 5의 분출구를 주노즐 4로부터 떨어짐에 따라서 연속적으로 크게 함.Alternatively, the outlet of auxiliary nozzle 5 is continuously enlarged as it is separated from main nozzle 4.

(ㄹ) 동일한 공기공급원으로부터 셋이상의 조임밸브(絞辯)를 경유하여 셋이상의 보조노즐군에 단계적으로 압력을 변화시켜서 공기를 공급함.(D) Supply air by varying the pressure in steps of three or more auxiliary nozzle groups through three or more tightening valves from the same air supply.

이와같이 본 발명은 위입용주노즐로부터의 분사공기의 유속변화에 대응하여 보조노즐을 2군 이상으로 나누어 전기한 주노즐로부터의 공기유속이 높은쪽의 보조노즐로부터도 공기유속이 낯은 쪽의 보조노즐로부터의 보조공기류를 고속 및 또는 다량으로 분사함으로써 특히 위입동작 후반에 있어서 주노즐로부터의 공기류를 위입안정 최저유속보다도 높혀서 위입을 안정시켜 행할 수 있는 효과가 있다.As described above, the present invention provides a subsidiary nozzle having a lower air flow rate even from a subsidiary nozzle having a higher air flow rate from the main nozzle in which the subsidiary nozzle is divided into two or more groups in response to a change in the flow rate of the injection air from the main main nozzle. By spraying the auxiliary air from the high speed and / or a large amount, there is an effect that the air flow from the main nozzle can be stabilized by increasing the air flow from the main nozzle higher than the minimum gas flow stability in the latter half of the gas flow operation.

Claims (1)

위입용의 주노즐로부터의 분사공기의 유속변화에 대응하여 보조노즐을 2군 이상으로 나누어 전기한 주노즐로부터의 공기유속이 높은 쪽의 보조노즐보다도 공기유속이 낮은 쪽의 보조노즐로부터의 보조공기류를 고속 또는 다량으로 분사함을 특징으로 하는 젯트직기에 있어서 보조노즐의 공기 분사방법.Auxiliary air from the auxiliary nozzle with lower air flow rate than the auxiliary nozzle with the higher air flow rate from the main nozzle which divided the auxiliary nozzles into two groups or more in response to the change of the flow rate of the injection air from the main nozzle for entrainment. Air injection method of the auxiliary nozzle in the jet loom, characterized in that the jet is injected at high speed or a large amount.
KR1019800003007A 1980-07-28 1980-07-28 An air ejection methods of sub-nozzle in the jet looms KR840000329B1 (en)

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