TWI799030B - Nozzle structure for multifilament entanglement and cohesion - Google Patents

Abstract

The present invention relates to a nozzle structure for multifilament entanglement and cohesion. The nozzle includes at least one thread channel, the thread channel is connected with at least one gas channel, the gas channel is connected with at least one air chamber area, and an air inlet is formed in the gas channel. end, an air outlet end, and a narrow pipe portion, an air chamber connecting end and an air chamber inlet end are formed in the air chamber area, wherein the width of the narrow pipe portion will be smaller than the width of the air inlet end and the air outlet end, and the air chamber The width of the connecting end will be greater than the width of the intake end. Through the above-mentioned structure, the gas channel can produce the effect of a Delaware nozzle to reduce the gas flow resistance, and make the flow rate more rapid and stable, increasing the knotting effect.

Description

Nozzle structure for multifilament entanglement and cohesion

The present invention provides a nozzle structure for multifilament entanglement and coagulation, especially a nozzle structure for multifilament entanglement and cohesion with faster and more stable gas flow rate.

By the way, the general filament yarn needs so-called air treatment after the spinning process, so that individual filament yarns can be held together more firmly. Among them, the nozzles generally used for multifilament entanglement and cohesion will have load The silk channel of the silk thread and the gas channel through which the gas can pass, and the air flow rate in the gas channel will also be closely related to the knotting ability of the silk thread.

The commonly used nozzle structure can be shown in the first figure to the seventh figure. The first figure to the fourth figure are the cross-sectional schematic diagrams of the nozzles currently available on the market. The first figure is the most convenient nozzle shape, the gas channel 2 is straightly connected to the silk channel 1, so it does not have any effect that can change the air flow rate. The main difference in the second figure is that the gas channel 2 is set to taper towards the direction of the silk channel 1, but this mode has a limited influence on the air flow rate, and the modes in the first and second figures None of them have an integrally formed air chamber, so an additional air chamber is usually connected during use to allow the air to have a cushioning effect, but such an additionally connected air chamber will not only greatly increase the possibility of air leakage, but will also increase the risk of air leakage during installation. More troublesome.

Although the third figure is connected with the integrally formed air chamber area 3, the gas passage 2 in this form is also connected to the thread passage 1 in a straight manner, so the influence on the air flow rate is also limited. Although the fourth figure also has an integrally formed air chamber area 3, the gas channel 2 is only connected to the silk channel 1 through a gradually expanding state, so naturally the influence on the air flow rate is also limited. Furthermore, due to the fourth figure And there is no guiding effect between the gas chamber area 3 and the gas channel 2 in the fifth figure, so the gas flow is likely to rebound or be obstructed as shown in the direction of the arrow.

The fifth figure is a schematic cross-sectional view of the nozzle of US Patent No. US4535516. Although there is an air chamber area 3 and a special-shaped gas channel 2 to connect the thread channel 1, due to The air chamber area 3 is also an additional structure, so it also has the disadvantages of the above-mentioned aspects of the first and second figures.

Figure 6 is a schematic cross-sectional view of the nozzle of the Republic of China Patent No. 503272 patent case. Although there is a special-shaped gas channel 2 to connect the thread channel 1, it does not have an integrally formed air chamber, so it does not have the ability to allow The effect of air cushioning, if an additional air chamber is to be installed, it may also have the possibility of air leakage.

Figure 7 is a schematic cross-sectional view of the nozzle of the Republic of China Patent Announcement No. M406616. Although there is an integrally formed air chamber area 3, the gas channel 2 connecting the thread channel 1 is only gradually formed in the direction of the thread channel 1. The shape of the contraction, so the impact on the air velocity is also limited.

However, when the above-mentioned nozzles are in use, there are the following problems and deficiencies that need to be improved:

It is not possible to have both an integrally formed gas chamber that reduces the possibility of gas leaks and a gas channel that increases the gas flow rate.

Therefore, how to solve the above-mentioned conventional problems and deficiencies is the direction that the applicant of the present invention and related manufacturers engaged in this industry want to research and improve urgently.

Therefore, in view of the above shortcomings, the inventor of the present invention collected relevant information, evaluated and considered in many ways, and based on years of experience accumulated in this industry, through continuous trial and modification, he designed this kind of air leak that can reduce the possibility of air leakage. The patentee of the invention of the nozzle structure for multifilament entanglement and cohesion that reduces flow resistance and increases air velocity.

The main purpose of the present invention is to reduce the possibility of air leakage through the integrally formed air chamber region, and to increase the air flow rate by cooperating with the gas channel in the shape of the Delaware nozzle.

In order to achieve the above object, the main structure of the nozzle of the present invention includes: at least one wire channel, at least one gas channel connected to the wire channel, at least one gas chamber area connected to the other end of the gas channel, at least one formed on the gas channel and located an air inlet end connected to one end of the air chamber area, at least one gas outlet end formed on the gas channel and located at one end of the connecting wire channel, at least one narrow gas channel formed in the gas channel and located between the air inlet end and the gas outlet end pipe portion, at least one air chamber communication end formed on the air chamber area and located at one end connected to the air inlet end, and at least one air chamber inlet formed in the air chamber area and located at one end of the different air chamber communication ends Gas end, where the width of the narrow tube will be smaller than that of the inlet and outlet Width, the width of the connecting end of the air chamber is greater than the width of the inlet end, and the aforementioned air chamber area is formed between the connecting end of the air chamber and the inlet end of the air chamber.

With the above-mentioned structure, when in use, the silk thread can be placed in the thread channel, and the air can be introduced into the air chamber area, and when the air is in the air chamber area, it can produce a buffer effect, and then cooperate with the air from the air inlet end to the The tapering and guiding effect of the narrow tube allows air to flow into the gas channel smoothly, and the state of first tapering and then gradually expanding formed by the air inlet, narrow tube, and air outlet can achieve German The effect of the Lava nozzle is to reduce the flow resistance and increase the air velocity in the nozzle, so as to make the supply air source more stable, so as to obtain a uniform multifilament entanglement and cohesion effect.

With the above-mentioned technology, a breakthrough can be made to solve the problem of poor air flow rate of conventional nozzles or easy air leakage, so as to achieve the practical progress of the above-mentioned advantages.

1: silk channel

11: Vortex tank

2: Gas channel

21: Intake end

211: guide slope

22: Narrow tube part

23: Outlet end

3: Air chamber area

31: Connecting end of air chamber

32: Air chamber inlet

d0, d1, d2, d3, d4: width

4: Fixed shell

N: Nozzle

Figure 1 is a schematic cross-sectional view of a conventional nozzle (1).

The second figure is a schematic cross-sectional view of a conventional nozzle (2).

Figure 3 is a schematic cross-sectional view of a conventional nozzle (3).

Figure 4 is a schematic cross-sectional view of a conventional nozzle (4).

Figure 5 is a schematic cross-sectional view of a conventional nozzle (5).

Figure 6 is a schematic cross-sectional view of a conventional nozzle (6).

Figure 7 is a schematic cross-sectional view of a conventional nozzle (7).

The eighth figure is a perspective view of the first embodiment of the present invention.

Figure 9 is a schematic cross-sectional view of the first embodiment of the present invention.

Figure 10 is a schematic diagram of the nozzle width of the first embodiment of the present invention.

Figure 11 is a flow diagram of the nozzle of the first embodiment of the present invention.

Figure 12 is a schematic cross-sectional view of the nozzle of the second embodiment of the present invention.

Figure 13 is a schematic sectional view of the nozzle of the third embodiment of the present invention.

Figure 14 is a schematic sectional view of the nozzle of the fourth embodiment of the present invention.

Figure 15 is a schematic cross-sectional view of the nozzle of the fifth embodiment of the present invention.

Figure 16 is a schematic sectional view of the nozzle of the sixth embodiment of the present invention.

In order to achieve the above-mentioned purpose and effect, the technical means and structure adopted by the present invention are hereby illustrated in detail with respect to the preferred embodiments of the present invention. Its features and functions are as follows, so that it can be fully understood.

Please refer to Figure 3, Figure 4, and Figure 8 to Figure 11, which are schematic sectional views (3), schematic sectional views (4) of conventional nozzles, and perspective views of the first embodiment of the present invention to nozzles Flow diagram, it can be clearly seen from the figure that the nozzle N of the present invention mainly includes:

At least one thread channel 1, the cross section of the thread channel 1 in this embodiment forms a U-shaped pattern;

At least one gas channel 2 connected to the thread channel 1;

At least one gas chamber region 3 at one end of the dissimilar thread channel 1 connecting the gas channel 2;

at least one inlet port 21 formed in the gas channel 2 and located at one end connected to the gas chamber area 3;

At least one gas outlet 23 formed in the gas channel 2 and located at one end of the connecting thread channel 1;

at least one narrow tube portion 22 formed in the gas channel 2 and located between the gas inlet end 21 and the gas outlet end 23;

a guide inclined surface 211 formed between the narrow tube portion 22 and the inlet end 21;

At least one air chamber communicating end 31 formed in the air chamber area 3 and located at one end connected to the inlet end 21;

At least one gas chamber inlet port 32 is formed in the gas chamber region 3 and is located at one end of the different gas chamber communication ends 31, and the width d1 of the narrow tube portion 22 will be smaller than the width d0 of the gas outlet port 23 and the inlet port. 21 width d2, while the width d3 of the air chamber connecting end 31 will be greater than the width d2 of the air inlet end 21, and the width d4 of the air chamber inlet end 32 will be greater than or equal to the width d3 of the air chamber connecting end 31.

Through the above description, the structure of this technology can be understood, and according to the corresponding cooperation of this structure, the advantages of reducing the possibility of air leakage and increasing the air flow rate can be achieved, and the detailed explanation will be explained below.

When the nozzle N of this case is used, the nozzle N will be set in a fixed housing 4, and the thread will be placed in the thread channel 1, and the air chamber area 3 can be connected to the structure of the gas supply to introduce the gas into the nozzle N. Among them, the action of blowing on the wire is used, and the material of the nozzle N in this embodiment is ceramics or one of the metals.

The gas will first enter the gas chamber region 3 from the gas chamber inlet port 32 to achieve the buffering effect, and then enter the gas channel 2 from the gas chamber connecting end 31, and because the gas chamber region 3 in this case is integrally formed Since it is installed in the nozzle N, there will be no various types of connection parts, and there will be no chance of gas leakage at the connection parts, so the pressure will not decrease when the gas is allowed to flow.

And before the gas enters the gas channel 2, it will enter the gas channel 2 along the guide slope 211 when the gas is allowed to pass through because the inlet end 21 is in a tapered state towards the narrow tube portion 22, so that Air flow can be smoother to reduce flow resistance. And because the direction of the gas passage 2 from the inlet end 21, the narrow pipe portion 22, to the gas outlet end 23 will first taper and then gradually expand, so that the effect of the Delaware nozzle can be produced, the so-called Delaware nozzle The nozzle uses an asymmetrical hourglass-shaped tube that shrinks in the middle. By converting the heat energy of the fluid into kinetic energy, the gas passing through the Delaware nozzle is accelerated to supersonic speed, and the gas can just reach the speed of sound at the point where the cross-sectional area is the smallest. . It has been widely used in steam turbines and rocket engine nozzles, and can also be found in supersonic jet engines.

It can be clearly seen from the above content that this case can make the gas channel 2 produce an effect similar to that of a Delaware nozzle, thereby greatly increasing the gas flow rate, and the applicant of this case has also confirmed through experiments that this case can achieve the effect of increasing the gas flow rate. The experimental results are as follows:

According to the content of the above table, the type of A is the type of the first embodiment of this case, as shown in the eleventh picture, B is the style of the fourth picture, C is the style of the third picture, and connect The air pressure is 1.0 (kg/cm ² ), and the type of wire and the speed of the wire are also the same, so it can be clearly seen that the type of this case can achieve the fastest gas flow rate, so it can be clearly known that the nozzle N of this case can be reduced The flow resistance increases the gas flow rate to make the supply gas source more stable, so as to obtain a uniform multifilament entanglement and cohesion effect.

Please also refer to the twelfth figure at the same time, which is a schematic cross-sectional view of the nozzle of the second embodiment of the present invention. It can be clearly seen from the figure that this embodiment is similar to the above-mentioned embodiment, and only in this embodiment , the angle at which the gas channel 2 connects to the thread channel 1 will produce an included angle, which means that the angle at which the gas channel 2 connects to the thread channel 1 is not limited.

And there will be a vortex groove 11 at the position where the thread channel 1 connects to the gas channel 2, this The vortex groove 11 of the embodiment is a semicircular groove, and the high-pressure gas in the gas passage 2 can be quickly discharged through the vortex groove 11 to improve the efficiency of entanglement.

Please refer to the thirteenth figure at the same time, which is a schematic cross-sectional view of the nozzle of the third embodiment of the present invention. It can be clearly seen from the figure that this embodiment is similar to the above-mentioned embodiment, and only in this embodiment , the cross-section of the thread channel 1 will form a semicircular shape to show that the shape of the thread channel 1 is not limited.

Please refer to the fourteenth figure at the same time, which is a schematic cross-sectional view of the nozzle of the fourth embodiment of the present invention. It can be clearly seen from the figure that this embodiment is similar to the above-mentioned embodiment, and only in this embodiment , the cross-section of the thread channel 1 will form a V-shaped pattern to indicate that the shape of the thread channel 1 is not limited.

Please also refer to the fifteenth figure, which is a schematic cross-sectional view of the nozzle of the fifth embodiment of the present invention. It can be clearly seen from the figure that this embodiment is similar to the above-mentioned embodiment, and only in this embodiment , the number of the gas channel 2 and the thread channel 1 is set as two, and they are connected to the same air chamber area 3, so the natural number of the gas inlet end 21, the narrow tube portion 22, and the gas outlet end 23 in the gas channel 2 is also the same. There are two, which means that the number and connection form of the gas channel 2 and the thread channel 1 are not limited.

Please refer to the sixteenth figure at the same time, which is a schematic cross-sectional view of the nozzle of the sixth embodiment of the present invention. It can be clearly seen from the figure that this embodiment is similar to the above-mentioned embodiment, and only in this embodiment , the number of gas channels 2 and thread channels 1 is set to two, and the gas chamber area 3 is also two, and will be connected to different gas channels 2 respectively, and the gas chamber connecting end 31 and gas chamber connection end 31 in the gas chamber area 3 The number of chamber inlet ports 32 is also two, which means that the number and connection of the air chamber regions 3 are not limited.

However, the above description is only a preferred embodiment of the present invention, and does not limit the patent scope of the present invention. Therefore, all simple modifications and equivalent structural changes made by using the description and drawings of the present invention should be treated in the same way. Included in the scope of the patent of the present invention, it is jointly stated.

To sum up, the nozzle structure of the present invention for multifilament entanglement and entanglement can indeed achieve its effect and purpose when used, so the present invention is an invention with excellent practicability, and it is in line with the application for an invention patent The essential requirement is to file an application in accordance with the law. I hope that the review committee will approve the invention as soon as possible to protect the hard work of the inventor. If the review committee has any doubts, please feel free to send a letter to instruct the inventor. I will do my best to cooperate, and I really appreciate it.

1: silk channel

21: Intake end

22: Narrow tube part

23: Outlet end

31: Connecting end of air chamber

32: Air chamber inlet

d0, d1, d2, d3, d4: width

Claims (6)

A nozzle structure for multifilament entanglement and cohesion, the nozzle mainly includes: at least one thread channel; at least one gas channel, the gas channel is connected to the thread channel; at least one air chamber area, the air chamber area is connected to the gas The channel is different from the other end of the thread channel; at least one air inlet, the air inlet is formed in the gas channel, and is located at the end connecting the air chamber area; at least one air outlet, the air outlet is formed in the air In the gas channel, and located at one end connected to the thread channel; at least one narrow tube part, the narrow tube part is formed in the gas channel, and is located between the air inlet end and the gas outlet end, and the narrow tube part The width is smaller than the width of the air inlet end and the air outlet end, and there is a guide slope between the narrow pipe part and the air inlet end; at least one air chamber communication end, the air chamber communication end is formed in the air chamber area, and located at one end connected to the air inlet end, and the width of the air chamber communicating end is greater than the width of the air inlet end; and at least one air chamber inlet end formed in the air chamber area, and located at one end different from the communicating end of the air chamber, so as to form the air chamber area between the communicating end of the air chamber and the inlet end of the air chamber. The nozzle structure for entanglement and cohesion of multifilaments as described in item 1 of the scope of the patent application, wherein the material of the nozzle is either ceramic or metal. The nozzle structure for entanglement and entanglement of multifilaments as described in item 1 of the patent scope of the application, wherein a vortex groove is provided at the position where the thread channel connects to the gas channel. The nozzle structure for multifilament entanglement and cohesion as described in item 1 of the scope of the patent application, wherein the nozzle is provided in a fixed housing. The nozzle structure for entanglement and cohesion of multifilaments as described in Item 1 of the scope of the patent application, wherein the width of the inlet end of the air chamber is equal to the width of the communication end of the air chamber. The nozzle structure for entanglement and cohesion of multifilaments as described in item 1 of the scope of the patent application, wherein the width of the inlet end of the air chamber is greater than the width of the communication end of the air chamber.

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