Side air inlet main nozzle

Abstract

The utility model relates to the technical field of wefting insertion of air-jet looms, in particular to a side air inlet main nozzle which comprises a supporting plate, a bracket, a plurality of first nozzle assemblies, a second nozzle assembly, a plurality of fixing screws and a plurality of riveting screws, a plurality of mounting holes are formed in the supporting plate, a plurality of kidney-shaped holes are formed in the bracket, and the bracket is arranged at the upper end of the supporting plate. The first nozzle assemblies and the second nozzle assemblies are arranged on the bracket. Small-angle adjustment can be carried out when the bracket is fixed to the supporting plate through the kidney-shaped holes, when the angle is adjusted, the distance between the fixing screw and the corresponding rivet pulling screw is changed by screwing the corresponding fixing screw, and then the angle distance between the bracket and the supporting plate is adjusted. Therefore, the layout of the air pipes is more reasonable, and during beating-up, the air pipes do not interfere with weft yarns in angle and can be adjusted.

Description

TECHNICAL FIELD

[0001] The utility model relates to air jet loom weft insertion technical field especially, relates to a side air inlet main nozzle. BACKGROUND

[0002] The weft insertion device of air jet loom is used to traction weft yarn by compressed air jet, and weft yarn is taken through the shed for weaving treatment.

[0003] The biggest feature of the weft insertion device of air jet loom is fast production speed and high labor productivity, and it is suitable for the production of plain and pattern fabrics and fine high-density fabrics.

[0004] But in the foregoing prior art, the air pipe layout is unreasonable, and the air pipe will interfere with the weft yarn when beating up. UTILITY MODEL CONTENTS

[0005] The utility model discloses a side air inlet main nozzle, solve the air pipe layout unreasonable in prior art, and the air pipe will interfere with the weft yarn when beating up problem.

[0006] To realize above-mentioned purpose, the utility model provides a side air inlet main nozzle, including support plate, bracket, a plurality of first nozzle assembly, second nozzle assembly, a plurality of fixed screw and a plurality of pull rivet screw, the support plate has a plurality of mounting holes, the bracket has a plurality of waist shape holes, the bracket sets up in the upper end of support plate, a plurality of first nozzle assembly and second nozzle assembly set up on the bracket respectively, a plurality of pull rivet screw sets up in corresponding mounting hole respectively, a plurality of fixed screw passes through corresponding waist shape hole respectively, and with corresponding pull rivet screw adaptation.

[0007] Wherein, each first nozzle assembly includes first jet core and first main nozzle tube, the bracket has a plurality of first through hole, the first main nozzle tube penetrates the left end of bracket, and is fixedly connected with corresponding first through hole, the first jet core sets up in corresponding first through hole, and with first main nozzle tube adaptation.

[0008] Wherein, the first jet core has thread pattern, and the thread pattern is matched with the first through hole.

[0009] Wherein, the second nozzle assembly includes connector, second jet core, nut, a plurality of air inlet connector and second main nozzle tube, the bracket has second through hole, the right end of connector sets up in second through hole, the second main nozzle tube penetrates the left end of bracket, and is fixedly connected with the left end of connector, the nut is fixedly connected with the right end of bracket, the second jet core is inserted in second through hole, and is matched with connector, the nut is matched with the outer wall of second jet core, and each air inlet connector is arranged on the side of bracket.

[0010] The side air inlet main nozzle further comprises a plurality of air inlet plugs, and the bracket is provided with a plurality of openings.

[0011] The side air inlet main nozzle of the utility model, the plurality of mounting holes are arranged on the support plate, the plurality of waist-shaped holes are arranged on the bracket, the bracket is arranged on the upper end of the support plate, the plurality of first nozzle assemblies and the second nozzle assemblies are arranged on the bracket respectively, the plurality of pull rivet screws are arranged in the corresponding mounting holes respectively, and the plurality of fixing screws pass through the corresponding waist-shaped holes and are matched with the corresponding pull rivet screws. When the bracket is fixed on the support plate, the plurality of waist-shaped holes can be adjusted at a small angle, when the angle is adjusted, the distance between the fixing screw and the corresponding pull rivet screw is changed by screwing the corresponding fixing screw, and then the angle distance between the bracket and the support plate is adjusted, so that the air pipe does not interfere with the weft at the time of beating-up, and the interference angle can be adjusted. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced.

[0013] Fig. 1 It is the overall structure schematic view of the utility model.

[0014] Fig. 2 It is the overall sectional view of the utility model.

[0015] Fig. 3 It is the overall explosion structure schematic view of the utility model.

[0016] 1-support plate, 2-bracket, 3-fixing screw, 4-pull rivet screw, 5-mounting hole, 6-waist-shaped hole, 7-first nozzle core, 8-first main nozzle pipe, 9-first through hole, 10-threaded pattern, 11-connection pipe, 12-second nozzle core, 13-nut, 14-air inlet connector, 15-second main nozzle pipe, 16-second through hole, 17-air inlet plug, 18-opening. DETAILED DESCRIPTION

[0017] The embodiments of the utility model will be described in detail below, the examples of the embodiments are shown in the drawings, the embodiments described below by referring to the drawings are exemplary, and are intended to explain the utility model, and can not be understood as the limitation of the utility model.

[0018] Please refer to Figs. 1 to 3 , wherein, Fig. 1 It is the overall structure schematic view of the utility model,Fig. 2 It is a cross-sectional view of the entire utility model. Fig. 3 It is a schematic diagram of the overall explosion structure of the utility model.

[0019] The utility model provides a side air intake main nozzle, including a support plate 1, a bracket 2, a plurality of first nozzle assemblies, a second nozzle assemblies, a plurality of fixing screws 3 and a plurality of rivet screws 4, the support plate 1 has a plurality of mounting holes 5, the bracket 2 has a plurality of waist-shaped holes 6, the bracket 2 is arranged at the upper end of the support plate 1, a plurality of the first nozzle assemblies and the second nozzle assemblies are respectively arranged on the bracket 2, a plurality of the rivet screws 4 are respectively arranged in the corresponding mounting holes 5, a plurality of the fixing screws 3 respectively pass through the corresponding waist-shaped holes 6, and are adapted to the corresponding rivet screws 4.

[0020] In this embodiment, the bracket 2 can be fixed to the support plate 1 through the plurality of waist-shaped holes 6 to perform small angle adjustment. When adjusting the angle, the distance between the fixing screw 3 and the corresponding rivet screw 4 is changed by turning the corresponding fixing screw 3, thereby adjusting the angle distance between the bracket 2 and the support plate 1, so that the air pipe will not interfere with the weft yarn during beating, and the angle can also be adjusted.

[0021] Furthermore, each of the first nozzle assemblies includes a first riser 7 and a first main nozzle 8. The bracket 2 has a plurality of first through holes 9. The first main nozzle 8 passes through the left end of the bracket 2 and is fixedly connected to the corresponding first through holes 9. The first riser 7 is disposed in the corresponding first through hole 9 and is adapted to the first main nozzle 8. The first riser 7 has a threaded pattern 10, which is adapted to the corresponding first through hole 9. The second nozzle assembly includes a connecting pipe 11, a second riser 12, a nut 13, a plurality of air inlet joints 14 and a second main nozzle 15. The bracket 2 has a second through hole 16. The right end of the connecting pipe 11 is arranged in the second through hole 16, the second main nozzle 15 passes through the left end of the bracket 2 and is fixedly connected to the left end of the connecting pipe 11, the nut 13 is fixedly connected to the right end of the bracket 2, the second nozzle core 12 is inserted into the second through hole 16 and adapted to the connecting pipe 11, the nut 13 is adapted to the outer wall of the second nozzle core 12, each of the air intake joints 14 is respectively arranged on the side of the bracket 2, and the side air intake main nozzle also includes a plurality of air intake plugs 17. The bracket 2 has a plurality of openings 18, and the plurality of air intake plugs 17 are respectively arranged in the corresponding openings 18.

[0022] In the embodiment, the plurality of air inlet joints 14 are respectively communicated with the first through hole 9 and the second through hole 16 to facilitate air intake, compress the air entering the first main nozzle and the second main nozzle from the air inlet joint 14, modulate according to process requirements, accelerate by the connecting pipe 11 and sufficiently act on the surface of the weft yarn to accelerate the weft yarn from static to the required flight speed for weft insertion, thereby delivering the weft yarn into the profiled reed groove and determining the angle and position of the weft yarn correctly entering the profiled reed groove; and the flow is adjusted by the first nozzle core 7 and the second nozzle core 12 to meet different requirements and adjust the weft insertion flow size according to the thickness of the thread, thereby achieving the best effect while reducing energy consumption; the plurality of air inlet plugs 17 are arranged to prevent air leakage in the bracket 2, and when air exhaust is required, the plurality of air inlet plugs 17 are used for air exhaust; the first through hole 9 has internal threads and is adapted with the threaded profile 10 to fix the first nozzle core 7 by the threaded profile 10, and the second nozzle core 12 has external threads which are adapted with the nut 13 to fix the second nozzle core 12 and prevent it from falling, thereby facilitating the layout of the pipeline on one side air intake, so that the air pipe does not interfere with the weft yarn during weft beating, and the angle can also be adjusted.

[0023] The above disclosure is only one or more preferred embodiments of the present application, and cannot limit the scope of the rights of the present application. Those skilled in the art can understand that the above-mentioned embodiments can be implemented in whole or in part, and equivalent changes made according to the claims of the present application still fall within the scope of the present application.

Claims

1. A side air inlet main nozzle, characterized in that, it comprises a support plate, a bracket, a plurality of first nozzle assemblies, a second nozzle assembly, a plurality of fixing screws and a plurality of rivet screws; the support plate is provided with a plurality of mounting holes, the bracket is provided with a plurality of waist-shaped holes, the bracket is arranged at the upper end of the support plate, the plurality of first nozzle assemblies and the second nozzle assembly are arranged on the bracket respectively, the plurality of rivet screws are arranged in the corresponding mounting holes respectively, and the plurality of fixing screws pass through the corresponding waist-shaped holes and are matched with the corresponding rivet screws respectively; each of the first nozzle assemblies comprises a first nozzle core and a first main nozzle pipe, the bracket is provided with a plurality of first through holes, the first main nozzle pipe penetrates the left end of the bracket and is fixedly connected with the corresponding first through hole, and the first nozzle core is arranged in the corresponding first through hole and matched with the first main nozzle pipe; the first nozzle core is provided with a threaded pattern matched with the corresponding first through hole; the second nozzle assembly comprises a connecting pipe, a second nozzle core, a nut, a plurality of air inlet connectors and a second main nozzle pipe, the bracket is provided with a second through hole, the right end of the connecting pipe is arranged in the second through hole, the second main nozzle pipe penetrates the left end of the bracket and is fixedly connected with the left end of the connecting pipe, the nut is fixedly connected with the right end of the bracket, the second nozzle core is inserted into the second through hole and matched with the connecting pipe, the nut is matched with the outer wall of the second nozzle core, and each of the air inlet connectors is arranged on the side of the bracket.

2. The side air inlet main nozzle according to claim 1, characterized in that, the side air inlet main nozzle further comprises a plurality of air inlet plugs, the bracket is provided with a plurality of openings, and the plurality of air inlet plugs are arranged in the corresponding openings respectively.

Images