Single-color fixed main nozzle

Abstract

The utility model relates to the technical field of weft insertion devices of air jet looms, in particular to a single-color fixed main nozzle which comprises an aluminum sleeve body, an electromagnetic valve, a nylon sleeve, a connecting pipe, an air inlet connector, a main spraying pipe and a spraying core, the nylon sleeve is arranged at the lower end of the aluminum sleeve body, the electromagnetic valve is arranged on the side face of the aluminum sleeve body, and the spraying core is rotationally connected with the upper end of the aluminum sleeve body. The air inlet connector is communicated with the lower end of the spraying core and located in the aluminum sleeve body, the connecting pipe is communicated with the lower end of the air inlet connector and located in the aluminum sleeve body, and one end of the main spraying pipe penetrates through the nylon sleeve and is communicated with the connecting pipe. Air cut-off and air supply of the main spray pipe are achieved by powering on the electromagnetic valve, air entering the main spray pipe from the air inlet connector is compressed and modulated according to the process requirement, the connecting pipe is used for accelerating and fully acting on the surface of weft yarn, the weft yarn is accelerated from a static state to the flying speed needed by weft insertion, and therefore the weft yarn is conveyed into the swing spray pipe.

Description

Technical Field

[0001] The utility model relates to the technical field of weft insertion devices of air-jet looms, and particularly relates to a monochromatic fixed main nozzle. Background Technique

[0002] The weft insertion device of an air-jet loom uses the compressed air ejected to traction the weft yarn, and transmits the weft yarn to drive the nozzle for weaving treatment. The biggest feature of the weft insertion device of an air-jet loom is that the production speed is relatively fast, the labor productivity is high, and it is suitable for the production of plain and patterned fabrics, fine-denier high-density fabrics and fabrics with large batches.

[0003] The fixed nozzles of the existing weft insertion devices of air-jet looms are usually fixed type and are connected by relatively long air pipes. When ventilating, the gas needs to fill the air in the air pipe to achieve the effect, which not only wastes gas but also makes the action slower, thus affecting the ejection time of the weft yarn. Content of the Utility Model

[0004] The purpose of the utility model is to provide a monochromatic fixed main nozzle, which solves the problem that the fixed nozzles of the existing weft insertion devices of air-jet looms are usually fixed type and are connected by relatively long air pipes. When ventilating, the gas needs to fill the air in the air pipe to achieve the effect, which not only wastes gas but also makes the action slower, thus affecting the ejection time of the weft yarn.

[0005] To achieve the above purpose, the utility model provides a monochromatic fixed main nozzle, which includes an aluminum sleeve body, a solenoid valve, a nylon sleeve, a connecting pipe, an air inlet joint, a main nozzle pipe and a nozzle core. The nylon sleeve is arranged at the lower end of the aluminum sleeve body, the solenoid valve is arranged on the side surface of the aluminum sleeve body, the nozzle core is rotatably connected to the upper end of the aluminum sleeve body, the air inlet joint is communicated with the lower end of the nozzle core and is located inside the aluminum sleeve body, the connecting pipe is communicated with the lower end of the air inlet joint and is located inside the aluminum sleeve body, and one end of the main nozzle pipe penetrates through the nylon sleeve and is communicated with the connecting pipe.

[0006] Wherein, the monochromatic fixed main nozzle further includes a nozzle core nut, the nozzle core nut is arranged at the upper end of the aluminum sleeve body, and the nozzle core nut is sleeved outside the nozzle core.

[0007] Wherein, the monochromatic fixed main nozzle further includes a ceramic ring, a ceramic bracket and two first fastening bolts. The ceramic bracket is arranged at the upper end of the aluminum sleeve body, the two first fastening bolts respectively penetrate through the ceramic bracket and are respectively located inside the aluminum sleeve body, and the ceramic ring is arranged at the upper end of the ceramic bracket.

[0008] Among them, the monochromatic fixed main nozzle further includes two second fastening bolts. The nylon sleeve has two grooves, and the two second fastening bolts respectively penetrate through the corresponding grooves and are respectively located inside the aluminum sleeve body.

[0009] Among them, the aluminum sleeve body has an extension block.

[0010] Among them, the monochromatic fixed main nozzle further includes two packing rings. The two packing rings are respectively placed on the ceramic bracket and respectively abut against the corresponding first fastening bolts.

[0011] For a monochromatic fixed main nozzle of the present utility model, the nylon sleeve is arranged at the lower end of the aluminum sleeve body, the solenoid valve is arranged on the side of the aluminum sleeve body, the spray core is rotatably connected to the upper end of the aluminum sleeve body, the air inlet joint is communicated with the lower end of the spray core and is located inside the aluminum sleeve body, the connecting pipe is communicated with the lower end of the air inlet joint and is located inside the aluminum sleeve body, and one end of the main spray pipe penetrates through the nylon sleeve and is communicated with the connecting pipe. By energizing the solenoid valve, the air supply of the main spray pipe is cut off and supplied, the air entering the main spray pipe from the air inlet joint is compressed, modulated according to process requirements, and accelerated by the connecting pipe and fully acts on the surface of the weft yarn, so that the weft yarn is accelerated from rest to the flying speed required for weft insertion, and thus the weft yarn is conveyed into the swing spray. Description of the Drawings

[0012] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art.

[0013] Figure 1 is the overall structural schematic diagram of the present utility model.

[0014] Figure 2 is the left view of the whole of the present utility model.

[0015] Figure 3 is the partial structural schematic diagram of the present utility model.

[0016] Figure 4 is of the present utility model Figure 1 The enlarged partial structural view of part A.

[0017] 1 - Aluminum sleeve body, 2 - Solenoid valve, 3 - Nylon sleeve, 4 - Connecting pipe, 5 - Air inlet joint, 6 - Main spray pipe, 7 - Spray core, 8 - Spray core nut, 9 - Ceramic ring, 10 - Ceramic bracket, 11 - First fastening bolt, 12 - Second fastening bolt, 13 - Groove, 14 - Extension block, 15 - Packing ring. Detailed Embodiments

[0018] Embodiments of the present utility model will be described in detail below. Examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the drawings are exemplary and are intended to explain the present utility model, and should not be construed as a limitation of the present utility model.

[0019] Please refer to Figures 1 to 4 , wherein, Figure 1 is a schematic structural diagram of the whole of the present utility model, Figure 2 is a left view of the whole of the present utility model, Figure 3 is a schematic structural diagram of a part of the present utility model, Figure 4 is of the present utility model Figure 1 enlarged partial structural view of part A.

[0020] The present utility model provides a monochromatic fixed main nozzle, which includes an aluminum sleeve body 1, a solenoid valve 2, a nylon sleeve 3, a connecting pipe 4, an air inlet joint 5, a main spray pipe 6 and a spray core 7. The nylon sleeve 3 is arranged at the lower end of the aluminum sleeve body 1. The solenoid valve 2 is arranged on the side surface of the aluminum sleeve body 1. The spray core 7 is rotatably connected to the upper end of the aluminum sleeve body 1. The air inlet joint 5 is communicated with the lower end of the spray core 7 and is located inside the aluminum sleeve body 1. The connecting pipe 4 is communicated with the lower end of the air inlet joint 5 and is located inside the aluminum sleeve body 1. One end of the main spray pipe 6 penetrates through the nylon sleeve 3 and is communicated with the connecting pipe 4.

[0021] In this embodiment, by energizing the solenoid valve 2, the air supply and cut-off of the main spray pipe 6 are realized. The air entering the main spray pipe 6 from the air inlet joint 5 is compressed and modulated according to process requirements, and is accelerated by the connecting pipe 4 and fully acts on the surface of the weft yarn, so that the weft yarn is accelerated from rest to the flying speed required for weft insertion, and thus the weft yarn is conveyed into the swing nozzle.

[0022] Further, the monochromatic fixed main nozzle further includes a spray core nut 8. The spray core nut 8 is arranged at the upper end of the aluminum sleeve body 1, and the spray core nut 8 is sleeved outside the spray core 7.

[0023] In this embodiment, by rotating the spray core 7, the spray core nut 8 is adjusted according to the thickness of different yarns, so as to change the flow rate and achieve the desired effect. The solenoid valve 2 is connected through the external thread of the aluminum sleeve body 1.

[0024] Further, the monochromatic fixed main nozzle further includes a ceramic ring 9, a ceramic bracket 10 and two first fastening bolts 11. The ceramic bracket 10 is arranged at the upper end of the aluminum sleeve body 1. The two first fastening bolts 11 respectively penetrate through the ceramic bracket 10 and are respectively located inside the aluminum sleeve body 1. The ceramic ring 9 is arranged at the upper end of the ceramic bracket 10.

[0025] In this embodiment, the ceramic bracket 10 is provided to facilitate installation of the device on a main device for use, and the two first fastening bolts 11 are provided to fix the ceramic bracket 10 to the upper end of the aluminum sleeve body 1 to prevent it from falling off and shaking.

[0026] Furthermore, the single-color fixed main nozzle also includes two second fastening bolts 12 , the nylon sleeve 3 has two grooves 13 , and the two second fastening bolts 12 respectively penetrate the corresponding grooves 13 and are respectively located inside the aluminum sleeve body 1 .

[0027] In this embodiment, the aluminum sleeve body 1 is fixedly mounted on the upper end of the nylon sleeve 3 by providing two of the second fastening bolts 12 , thereby ensuring the overall stability when the device is used.

[0028] Furthermore, the aluminum sleeve body 1 has an extension block 14 , and the single-color fixed main nozzle also includes two gaskets 15 . The two gaskets 15 are respectively placed on the ceramic bracket 10 and respectively abut against the corresponding first fastening bolts 11 .

[0029] In this embodiment, by providing the two gaskets 15 , the two corresponding first fastening bolts 11 are more firmly fixed on the ceramic bracket 10 , thereby preventing the two first fastening bolts 11 from loosening and improving stability.

[0030] When using the monochromatic fixed main nozzle of the utility model, the main nozzle 6 is cut off and supplied with air by energizing the solenoid valve 2, and the air entering the main nozzle 6 from the air inlet joint 5 is compressed and modulated according to the process requirements, and the connecting pipe 4 is used to accelerate and fully act on the surface of the weft yarn, so that the weft yarn is accelerated from static to the flight speed required for weft insertion, thereby transporting the weft yarn to the swinging nozzle, and the core nut 8 is adjusted according to the thickness of different yarns by rotating the core 7, so as to change the flow rate and achieve the expected effect. The solenoid valve 2 is connected through the external thread of the aluminum sleeve body 1, and through the ceramic bracket The setting of 10 makes it easy to install the device on the main equipment for use. Through the setting of the two first fastening bolts 11, the ceramic bracket 10 is fixed to the upper end of the aluminum sleeve body 1 to prevent it from falling off and shaking. Through the setting of the two second fastening bolts 12, the aluminum sleeve body 1 is fixedly installed on the upper end of the nylon sleeve 3 to ensure the overall stability when the device is used. Through the setting of the two gaskets 15, the two corresponding first fastening bolts 11 are more firmly fixed on the ceramic bracket 10 to prevent the two first fastening bolts 11 from loosening, thereby improving stability.

[0031] The above-disclosed are only one or more preferred embodiments of the present application, and the scope of rights of the present application cannot be limited thereby. Those of ordinary skill in the art can understand all or part of the processes of implementing the above embodiments, and the equivalent changes made according to the claims of the present application still fall within the scope covered by the present application.

Claims

1. A single-color fixed main nozzle, characterized in that: It includes an aluminum sleeve body, a solenoid valve, a nylon sleeve, a connecting pipe, an air inlet joint, a main nozzle and a nozzle core, wherein the nylon sleeve is arranged at the lower end of the aluminum sleeve body, the solenoid valve is arranged on the side of the aluminum sleeve body, the nozzle core is rotatably connected to the upper end of the aluminum sleeve body, the air inlet joint is communicated with the lower end of the nozzle core and is located inside the aluminum sleeve body, the connecting pipe is communicated with the lower end of the air inlet joint and is located inside the aluminum sleeve body, and one end of the main nozzle passes through the nylon sleeve and is communicated with the connecting pipe.

2. The single-color fixed main nozzle according to claim 1, characterized in that: The single-color fixed main nozzle further comprises a riser nut, which is arranged at the upper end of the aluminum sleeve body and sleeved on the outside of the riser.

3. The single-color fixed main nozzle according to claim 2, characterized in that: The monochromatic fixed main nozzle also includes a ceramic ring, a ceramic bracket and two first fastening bolts. The ceramic bracket is arranged at the upper end of the aluminum sleeve body. The two first fastening bolts respectively penetrate the ceramic bracket and are respectively located inside the aluminum sleeve body. The ceramic ring is arranged at the upper end of the ceramic bracket.

4. The single-color fixed main nozzle according to claim 3, characterized in that: The monochromatic fixed main nozzle also includes two second fastening bolts. The nylon sleeve is provided with two grooves. The two second fastening bolts respectively penetrate the corresponding grooves and are respectively located inside the aluminum sleeve body.

5. The single-color fixed main nozzle according to claim 4, characterized in that: The aluminum sleeve body is provided with an extension block.

6. The single-color fixed main nozzle according to claim 5, characterized in that: The monochromatic fixed main nozzle also includes two gaskets, which are respectively placed on the ceramic bracket and respectively abut against the corresponding first fastening bolts.

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