Air jet loom with tensioning structure

By introducing a rotating rod, mounting frame, damper, and yarn guide into the air-jet loom, the problems of inflexible tension adjustment and easy yarn breakage were solved, achieving precise adjustment and buffering of yarn tension, and improving production efficiency and fabric quality.

CN223660336UActive Publication Date: 2025-12-12WUJIANG XUXIANG TEXTILE S&TCO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202423180255.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-23
Publication Date
2025-12-12
Estimated Expiration
2034-12-23

AI Technical Summary

Technical Problem

The existing tensioning structure of air-jet looms is not flexible enough, and the yarn is prone to breakage during tension adjustment, which affects production efficiency.

Method used

The yarn tension is adjusted by using a rotating rod and mounting bracket in conjunction with a drive motor, and buffering is provided by a damper and support spring. Yarn combs are used to separate the yarn to prevent excessive tension and breakage.

Benefits of technology

It enables precise adjustment and buffering of yarn tension, preventing yarn breakage and improving weaving efficiency and quality.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223660336U_ABST
    Figure CN223660336U_ABST
Patent Text Reader

Abstract

The utility model discloses an air jet loom with a tensioning structure, which comprises four supporting rods, a rack is fixedly arranged at the upper ends of the supporting rods, a conveying groove is arranged in the rack and is of an open structure, a rotating rod is arranged in the middle of the interior of the conveying groove, and the rotating rod is connected with the rack. The rotating rod is rotatably connected with the inner wall of the conveying groove, a mounting frame is fixedly arranged outside the rotating rod, the upper end of the mounting frame extends to the position above the rack, a sliding groove is formed in the mounting frame, the sliding groove is of an open structure, and the structure solves the problems that a tensioning structure is not flexible enough to adjust, and yarn is prone to being broken during tensioning adjustment.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to air jet loom technical field, concretely is a kind of air jet loom with tension structure. BACKGROUND

[0002] Air jet loom with tension structure is a kind of efficient, precise weaving equipment in modern textile industry, it combines air jet weft insertion technology and advanced fabric tensioning system to realize high quality, high speed production.Air jet loom uses high-speed jet airflow as power, and weft yarn is threaded through warp yarn layer to complete the weaving process of fabric.Keeping warp yarn and weft yarn properly tensioned is the key to ensuring fabric quality and production efficiency.Insufficient tensioning can lead to fabric relaxation, and weft yarn interlacing is not tight, while excessive tensioning can damage yarn, affecting the normal operation of loom.Warp yarn tensioning system is mainly composed of warp yarn tensioner, warp yarn brake device, warp yarn let-off mechanism and weft yarn accumulator and other structures.

[0003] For example, the Chinese patent with publication number CN217948403U "Air jet loom with tensioning function", the water jet loom body is provided with a tension roller inside, the inside of the water jet loom body is symmetrically provided with an adjusting block, the tension roller is located between the two adjusting blocks, and a spring is arranged below the adjusting block;Two auxiliary mechanisms are respectively located below the two adjusting blocks, the auxiliary mechanism includes a mounting block, an auxiliary rod, a fixed plate, a connecting plate and a locking column, the spring is sleeved on the outer wall of the auxiliary rod, the connecting plate is located on one side of the fixed plate, one end of the locking column is located on the water jet loom body, and the two sides of the inner wall of the water jet loom body are provided with square grooves, the adjusting block and the inner cavity of the square groove are slidably connected, the mounting block and the auxiliary rod are located in the inner cavity of the square groove, a limiting groove is formed in one side of the inner wall of the square groove, the bottom end of the auxiliary rod is fixedly connected with the mounting block, the top end of the fixed plate is fixedly connected with the mounting block, one end of the spring is attached to the adjusting block, the other end of the spring is attached to the mounting block, the outer wall of the locking column is slidably connected with the connecting plate, a first through groove is formed in one side of the fixed plate, and the locking column and the inner cavity of the first through groove are slidably connected.

[0004] Although the above-mentioned prior art can realize the tensioning of the yarn, in actual use, on the one hand, the adjustment of the tensioning structure is not flexible enough, and usually the adjustment of the yarn needs to change the position of the tensioning cylinder in the vertical direction to adjust the yarn tension, which leads to insufficient adjustment of the tensioning structure, thereby affecting the effect of tensioning adjustment, on the other hand, the yarn tensioning adjustment is prone to breakage, and usually the yarn is tightened by the tensioning cylinder during tensioning adjustment, which makes it difficult to buffer between the yarn and the tensioning cylinder, thereby affecting the efficiency of the whole project, therefore it does not meet the existing demand, for this we put forward a kind of air jet loom with tension structure. UTILITY MODEL CONTENT

[0005] The jet loom with the tensioning structure aims to solve the problems of the inflexible adjustment of the tensioning structure and the easy breakage of the yarn during the yarn tensioning adjustment.

[0006] To achieve the above object, the utility model provides the following technical scheme: a jet loom with a tensioning structure, including support rod, support rod is provided with four, the upper end of support rod is fixedly provided with rack, the inside of rack is provided with conveying groove, conveying groove is open structure, the inside of conveying groove is provided with rotary lever at the middle position, rotary lever is rotatably connected with the inner wall of conveying groove, the outside of rotary lever is fixedly provided with mounting bracket, the upper end of mounting bracket extends to the above of rack, the inside of mounting bracket is provided with sliding slot, sliding slot is open structure.

[0007] Preferably, a driving motor is fixedly arranged at the middle position of the rear end of the rack, the output shaft of the driving motor extends into the conveying groove and is fixedly connected with the rotary lever.

[0008] Preferably, a damper is fixedly arranged at the lower end in the sliding slot, and a supporting spring is fixedly arranged between the fixed end and the telescopic end of the damper.

[0009] Preferably, a fixed ring is fixedly arranged at the upper end of the telescopic end of the damper, and a limiting rod is fixedly arranged on both sides of the fixed ring, one end of the limiting rod extends into the sliding slot, and the limiting rod is in sliding fit with the sliding slot.

[0010] Preferably, a mounting rod is arranged between the fixed rings at both ends, the mounting rod penetrates through the fixed rings, and the mounting rod is rotatably connected with the fixed rings, a positioning ring is fixedly arranged at the outside of the front and rear ends of the mounting rod, and a tensioning cylinder is fixedly arranged at the outside of the central position of the mounting rod.

[0011] Preferably, two fixed rods are fixedly arranged in the inside of the conveying groove at both sides of the rotary lever, a supporting cylinder is arranged at the outside of the fixed rod, and the supporting cylinder is rotatably connected with the fixed rod.

[0012] Preferably, a mounting strip is fixedly arranged between the two fixed rods, and a yarn comb is fixedly arranged at the upper end of the mounting strip.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] 1. The utility model discloses a rotating rod and mounting frame can rotate mounting frame to adjust the tightness of yarn, when carrying out the operation of tensioning, the output shaft of drive motor drives rotating rod to rotate to rotate mounting frame together through rotating rod, the yarn on the tensioning cylinder is re -tightened through the circumferential motion of the tensioning cylinder on the mounting frame, the tightness of yarn is adjusted more accurately through the rotation of mounting frame, avoid the over -tensioning condition of yarn.

[0015] 2. The utility model discloses a damper and support spring can provide certain buffer space for yarn, when carrying out the operation of tensioning, the position of tensioning is adjusted to adjust the tightness of yarn, when yarn is tight, the tensioning cylinder is extruded to the inside of the sliding slot, and the damper and support spring are extruded in the process of tensioning cylinder movement, the damper and support spring are deformed due to extrusion, and the extrusion of tensioning cylinder is absorbed through the deformation of damper and support spring, so that yarn has certain buffer space when tensioning, avoid the breakage of yarn due to excessive tensioning force.

[0016] 3. The utility model discloses a yarn comb is set up, can separate yarn, when weaving yarn, the yarn is sequentially passed through the bearing cylinder and tensioning cylinder on both sides, and the single yarn is placed in the single slot of yarn comb, and the mixed yarn is separated, when weaving yarn, the single yarn that completes the tensioning operation is woven into cloth, avoid the mixing condition of multiple yarns when tensioning or weaving yarn, thereby improve the weaving effect of yarn. DRAWINGS

[0017] Figure 1 It is the internal structure front view of the utility model;

[0018] Figure 2 It is the internal structure side view of the utility model;

[0019] Figure 3 It is the tensioning structure perspective drawing of the utility model;

[0020] Figure 4 It is the Figure 2 A area local amplification drawing of the utility model.

[0021] In the drawing: 1, support rod; 2, frame; 3, conveying groove; 4, fixed rod; 5, bearing cylinder; 6, rotating rod; 7, mounting frame; 8, sliding slot; 9, limiting rod; 10, fixed ring; 11, damper; 12, support spring; 13, mounting rod; 14, tensioning cylinder; 15, mounting strip; 16, yarn comb; 17, positioning ring; 18, drive motor. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0023] Please refer to Figures 1-4 An embodiment provided by the utility model: a jet loom with tensioning structure, including support rod 1, support rod 1 is provided with four, the upper end of support rod 1 is fixedly provided with rack 2, the inside of rack 2 is provided with conveying groove 3, conveying groove 3 is open structure, the middle position of conveying groove 3 inside is provided with rotating rod 6, rotating rod 6 is rotatably connected with the inner wall of conveying groove 3, the outside of rotating rod 6 is fixedly provided with mounting bracket 7, the upper end of mounting bracket 7 extends to the above of rack 2, the inside of mounting bracket 7 is provided with sliding slot 8, sliding slot 8 is open structure.

[0024] When tensioning, the driving motor 18 is started, the output shaft of the driving motor 18 drives the rotating rod 6 to rotate, the mounting bracket 7 is driven to rotate by the rotating rod 6, the tensioning cylinder 14 mounted on the mounting bracket 7 makes circular motion, until the yarn on the tensioning cylinder 14 is re-tightened, the tension of the yarn is adjusted more accurately by the rotation of the mounting bracket 7.

[0025] Please refer to Figure 2 The middle position of the rear end of the rack 2 is fixedly provided with the driving motor 18, the output shaft of the driving motor 18 extends to the inside of the conveying groove 3 and is fixedly connected with the rotating rod 6, so as to adjust the position of the mounting bracket 7 by the driving motor 18.

[0026] Please refer to Figure 1 And Figure 4 The lower end of the inside of the sliding slot 8 is fixedly provided with the damper 11, the fixed end and the telescopic end of the damper 11 are fixedly provided with the supporting spring 12, so as to provide a certain buffer space for the tensioning cylinder 14 by the damper 11 and the supporting spring 12.

[0027] Please refer to Figure 2 、 Figure 3 And Figure 4 The upper end of the telescopic end of the damper 11 is fixedly provided with the fixed ring 10, the two sides of the fixed ring 10 are fixedly provided with the limiting rod 9, one end of the limiting rod 9 extends to the inside of the sliding slot 8, and the limiting rod 9 is in sliding fit with the sliding slot 8, so as to slide and limit the fixed ring 10 by the limiting rod 9.

[0028] Please refer to Figure 2 And Figure 3The mounting rod 13 is arranged between the two fixed rings 10, penetrates the fixed ring 10, and is rotationally connected with the fixed ring 10. The mounting rod 13 is fixedly arranged outside the front and rear ends of the fixed ring 10 and is fixedly arranged outside the center of the mounting frame 7 and is provided with the tensioning cylinder 14, so as to conveniently tension the yarn through the tensioning cylinder 14.

[0029] Please refer to Figure 1 The two fixed rods 4 are fixedly arranged inside the two sides of the rotating rod 6, and the supporting cylinder 5 is arranged outside the fixed rod 4 and is rotationally connected with the fixed rod 4, so as to conveniently preliminarily tension the yarn through the supporting cylinder 5.

[0030] Please refer to Figure 1 The mounting strip 15 is fixedly arranged between the two fixed rods 4, and the yarn comb 16 is fixedly arranged at the upper end of the mounting strip 15, so as to conveniently separate the yarn through the yarn comb 16.

[0031] Working principle: when tensioning, the position of tensioning is adjusted to adjust the tensioning degree of the yarn. When the yarn is tightened, the yarn has a certain extrusion on the tensioning cylinder 14. At this time, the tensioning cylinder 14 subjected to extrusion moves to the inside of the sliding groove 8. In the moving process of the tensioning cylinder 14, the damper 11 and the supporting spring 12 are subjected to extrusion. At this time, the damper 11 and the supporting spring 12 are deformed due to extrusion. The deformation of the damper 11 and the supporting spring 12 absorbs the extrusion of the tensioning cylinder 14, so that the yarn has a certain buffer space when being tensioned. Before weaving the yarn, the yarn is sequentially arranged through the supporting cylinder 5 and the tensioning cylinder 14 on the two sides, and the single yarn is arranged in the single clamping groove of the yarn comb 16, so that the mixed yarn is separated. When weaving the yarn, the single yarn subjected to tensioning is woven into cloth.

[0032] It is apparent for those skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments, but rather that the present application can be implemented in other embodiments without departing from the spirit or essential characteristics of the present application. Thus, the embodiments should be considered in all respects as illustrative and not restrictive, the scope of the application to be indicated by the appended claims rather than by the above description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the scope of the claims.

Claims

1. A pneumatic loom having a tensioning structure comprising four support bars (1), characterised in that: The upper end of the support rod (1) is fixedly provided with a rack (2), the inside of the rack (2) is provided with a conveying groove (3), the conveying groove (3) is of an open structure, a rotating rod (6) is arranged at the middle position of the inside of the conveying groove (3), the rotating rod (6) is rotatably connected with the inner wall of the conveying groove (3), the outside of the rotating rod (6) is fixedly provided with a mounting rack (7), the upper end of the mounting rack (7) extends above the rack (2), the inside of the mounting rack (7) is provided with a sliding groove (8), and the sliding groove (8) is of an open structure.

2. A gas jet loom having a tensioning structure according to claim 1, characterized in that: The middle position of the rear end of the rack (2) is fixedly provided with a driving motor (18), the output shaft of the driving motor (18) extends into the conveying groove (3) and is fixedly connected with the rotating rod (6).

3. A gas jet loom having a tensioning structure according to claim 2, characterized in that: The lower end of the inside of the sliding groove (8) is fixedly provided with a damper (11), and a supporting spring (12) is fixedly arranged between the fixed end and the telescopic end of the damper (11).

4. A gas jet loom having a tensioning structure according to claim 3, characterized in that: The upper end of the telescopic end of the damper (11) is fixedly provided with a fixed ring (10), the two sides of the fixed ring (10) are fixedly provided with limiting rods (9), one end of the limiting rod (9) extends into the sliding groove (8), and the limiting rod (9) is in sliding fit with the sliding groove (8).

5. A gas jet loom with a tensioning device according to claim 4, characterized in that: Mounting rods (13) are arranged between the fixed rings (10) at two ends, the mounting rods (13) penetrate through the fixed rings (10) and are rotatably connected with the fixed rings (10), positioning rings (17) are fixedly arranged outside the front and rear ends of the mounting rods (13), and tensioning cylinders (14) are fixedly arranged outside the mounting rods (13) at the central positions of the mounting racks (7).

6. A gas jet loom having a tensioning arrangement according to claim 5, characterized in that: The inside of the conveying groove (3) at two sides of the rotating rod (6) is fixedly provided with two fixed rods (4), the outside of the fixed rod (4) is provided with a supporting cylinder (5), and the supporting cylinder (5) is rotatably connected with the fixed rod (4).

7. A gas jet loom with a tensioning device according to claim 6, characterized in that: Mounting strips (15) are fixedly arranged between the two fixed rods (4), and yarn combing combs (16) are fixedly arranged at the upper ends of the mounting strips (15).