A shuttle for a circular weaving machine with convenient weft thread changing

By using a rotating component to drive the threaded advance and utilizing the compression of an elastic reset component, the problem of inconvenient assembly of the weft bobbin on the shuttle plate of a circular loom is solved, enabling convenient assembly and disassembly of the weft bobbin, as well as labor-saving assembly and stable locking of the weft bobbin.

CN224299521UActive Publication Date: 2026-05-29WENZHOU GUANGHUA PLASTIC MASCH MFG CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
WENZHOU GUANGHUA PLASTIC MASCH MFG CO LTD
Filing Date
2025-06-30
Publication Date
2026-05-29

AI Technical Summary

Technical Problem

The assembly of the weft bobbin on the shuttle plate of the existing circular loom is inconvenient and requires a large elastic locking force, resulting in a long assembly time.

Method used

The method of using a rotating component to drive the threaded advance, and using an elastic reset component for compression, allows for adjustment of the fixed seat spacing, facilitating the assembly and disassembly of the weft yarn spool.

Benefits of technology

It enables convenient replacement of the weft yarn spool, saving effort and ensuring stability, while reducing assembly time.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a kind of shuttle boards of circular weaving machine with convenient weft thread, including shuttle board body, fixed seat I and fixed seat II are equipped on the shuttle board body, the fixed seat I can slide relatively, elastic reset piece is equipped on the shuttle board body, the position of fixed seat I is provided with mounting seat on the shuttle board body, avoiding cavity is provided on the mounting seat, fixed seat I part is inserted in avoiding cavity, and spiral arc-shaped track is on the outside wall of fixed seat I, further including guide that is inserted in arc-shaped track through mounting seat, when fixed seat I rotates, arc-shaped track can be cooperated with guide to make fixed seat I spin in or spin out, the elastic reset piece is located in avoiding cavity, and one end of the elastic reset piece is abutted with mounting seat, the other end is abutted with fixed seat I, by rotating piece rotation, the mode of thread spin in is used to drive elastic reset piece compression, so that it can more labor-saving drive elastic reset piece to compress, to facilitate assembly weft thread cylinder.
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Description

Technical Field

[0001] This utility model relates to the field of circular loom technology, and in particular to a circular loom shuttle plate with convenient weft changing. Background Technology

[0002] In the existing technology, a circular loom refers to industrial equipment used for weaving tube fabric. In existing plastic circular looms, a roller assembly is set between the upper and lower gate rings to form a rolling track for the shuttle plate to run. The function of the shuttle plate in the plastic circular loom is to thread the weft yarn. The shuttle runs at high speed along the inner ring of the gate ring assembly to make a circular motion, realizing the cross weaving of warp and weft yarns. However, currently, the weft bobbin on the shuttle plate is usually tightened by elastic elements. In order to prevent the weft bobbin from loosening, a relatively large elastic force is required for locking. In particular, since most of the workers in this industry are women, it is inconvenient to assemble, and assembling the weft bobbin will waste a lot of time. Utility Model Content

[0003] The purpose of this utility model is to overcome the defects of the prior art. This utility model provides a circular loom shuttle plate with convenient weft changing. By rotating the rotating part, the elastic reset part is compressed by the screw thread, which makes it easier to compress the elastic reset part with less effort, thus facilitating the assembly of the weft bobbin.

[0004] This utility model discloses a shuttle plate for a circular loom with convenient weft changing, including a shuttle plate body. The shuttle plate body has two opposing fixed seats I and II for assembling weft yarn bobbins. Fixed seat I can slide relative to or away from fixed seat II to adjust the distance between them. A spring-loaded resetting member is provided on the shuttle plate body corresponding to fixed seat I to push fixed seat I towards fixed seat II. The shuttle plate body is characterized by a mounting seat corresponding to fixed seat I, with a clearance cavity. Fixed seat I is partially inserted into the clearance cavity, and an arc-shaped track is spiraled on the outer wall of fixed seat I. A guide member passes through the mounting seat and is inserted into the arc-shaped track. When fixed seat I rotates, the arc-shaped track cooperates with the guide member to rotate fixed seat I in or out. The spring-loaded resetting member is located in the clearance cavity, with one end abutting against the mounting seat and the other end abutting against fixed seat I.

[0005] A further feature of this invention is that the fixed base I is also provided with a horizontally arranged locking groove, which is located at the end of the arc-shaped track and is integrated with it. When the fixed base I is rotated to the designated position, the fixed base I can rotate further to drive the guide into the locking groove to achieve locking.

[0006] A further feature of this invention is that the fixed base I is provided with a shaft on one side outside the clearance cavity, and a rotating disk that rotates synchronously with the shaft is sleeved on the shaft.

[0007] A further feature of this invention is that the rotating disk is provided with an anti-slip structure, which includes a groove on the outside of the rotating disk and / or a through hole on the rotating disk.

[0008] A further feature of this invention is that both fixed base I and fixed base II are fitted with bearings, and the bearings are fitted with connectors for insertion into the weft yarn cylinder, the connectors being constricted in shape.

[0009] The beneficial effects of this utility model are as follows: When changing the weft spool, by driving the fixed seat I to rotate, the fixed seat I is guided by the guide member on the arc-shaped guide rail to rotate into the clearance cavity, thereby compressing the elastic reset member, which increases the distance between the fixed seat I and the fixed seat II, thus facilitating the replacement of the weft spool. After the replacement is completed, driving the fixed seat I to rotate in the opposite direction will drive the fixed seat I to rotate out in the opposite direction, reducing the distance between the two, thereby preventing the weft spool from coming out. This principle is the same as the screwing in and out of the bolt, which is not only easier to apply force, but also more labor-saving when driving. Attached Figure Description

[0010] Figure 1 This is a schematic diagram of the structure of the present invention when the weft yarn spool is assembled;

[0011] Figure 2 This is a schematic diagram of the overall structure of this utility model;

[0012] Figure 3 This is a schematic diagram of the disassembled mounting base of this utility model.

[0013] Figure 4 This is a schematic diagram of the structure of the present invention after the fixing base I is removed;

[0014] Figure 5 This is a diagram showing the mating of the components on the fixing base I of this utility model;

[0015] Figure 6 This is a diagram showing the assembly of the components on the mounting base I of this utility model. Detailed Implementation

[0016] The specific embodiments of this utility model are described in detail below with reference to the accompanying drawings:

[0017] In the description of this utility model, it should be understood that the terms "upper", "lower", "bottom", "top", "front", "rear", "inner", "outer", "left", "right", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0018] This utility model discloses a shuttle plate for a circular loom with convenient weft changing, including a shuttle plate body 1. The shuttle plate body 1 has two opposing fixed seats I2 and II3 for assembling the weft yarn bobbin. The fixed seats I2 can slide relative to or away from the fixed seats II3 to adjust the distance between them. An elastic reset member 4 is provided on the shuttle plate body 1 corresponding to the fixed seats I2 to push the fixed seats I2 towards the fixed seats II3. In this embodiment, a mounting seat 5 is provided on the shuttle plate body 1 corresponding to the fixed seats I2. The mounting seat 5 has a clearance cavity 6, and the fixed seats I2 are partially inserted into the clearance cavity 6. An arc-shaped track 21 is spiraled on the outer wall of the fixed seats I2. A guide member 7 passes through the mounting seat 5 and is inserted into the arc-shaped track 21. When the fixed seats I2 rotate, the arc-shaped track 21 cooperates with the guide member 7 to fix the fixed seats I2. The seat I2 is screwed in or out (when the fixed seat I2 rotates, the inner wall of the arc-shaped track 21 will squeeze the guide, thus screwing in or out according to the direction of rotation; the specific principle can be referred to as the screwing in or out of a bolt). The elastic reset member 4 is located in the relief cavity 6, and one end of the elastic reset member 4 abuts against the mounting seat 5, and the other end abuts against the fixed seat I2. When changing the weft spool, the fixed seat I2 is driven to rotate. At this time, the fixed seat I2 is guided by the guide member 7 on the arc-shaped guide rail z to screw into the relief cavity 6, thereby compressing the elastic reset member 4 (the elastic reset member 4 is preferably a spring, but it can also be a spring sheet, etc.), which increases the distance between the fixed seat I2 and the fixed seat II3, thus facilitating the replacement of the weft spool. After the replacement is completed, the fixed seat I2 is driven to rotate in the opposite direction, which drives the fixed seat I2 to rotate out in the opposite direction, reducing the distance between the two, thus preventing the weft spool from coming out. It is not only easier to exert force, but also more labor-saving when driving.

[0019] The fixed seat I2 is also provided with a horizontally arranged locking groove 22. The locking groove 22 is located at the end of the arc-shaped track 21 and is connected to it as a whole. When the fixed seat I2 is screwed into the designated position, the fixed seat I2 can be further rotated to place the guide 7 into the locking groove 22 to achieve locking. When the guide 7 is in the position of the locking groove 22, the elastic reset member 4 further provides an outward reset force. Since the locking groove 22 is a horizontal groove, when the fixed seat I2 does not rotate further, the guide 7 abuts against the inner wall of the locking groove 22, which can prevent the fixed seat I2 from screwing inward and also prevent the fixed seat I2 from screwing outward, thereby achieving locking and making it more stable when assembling or disassembling the weft spool.

[0020] The fixed seat I2 is provided with a shaft 23 on one side outside the clearance cavity 6. A rotating disk 24 that rotates synchronously with the shaft 23 is sleeved on the shaft 23. The rotating disk 24 can drive the shaft 23 to rotate, which in turn drives the fixed seat I2 to rotate. Using the rotating disk 24 to drive is more convenient and labor-saving, and does not require other auxiliary tools.

[0021] The rotating disk 24 is provided with an anti-slip structure 241, which includes a groove on the outside of the rotating disk 24 and / or a through hole on the rotating disk 24. It can prevent slippage and facilitate the rotation of the rotating disk 24. The anti-slip structure 241 can also be an anti-slip pattern or anti-slip protrusion on the rotating disk 24.

[0022] Both fixed base I2 and fixed base II3 are provided with bearings 8, and the bearings 8 are provided with plugs 9 for insertion into the weft drum. The plugs 9 are constricted. The bearings 8 can reduce the friction during rotation, and the constricted shape of the plugs 9 can facilitate the installation and rotation of the weft drum.

Claims

1. A shuttle plate for a circular loom with convenient weft changing, comprising a shuttle plate body (1), wherein the shuttle plate body (1) is provided with two oppositely arranged fixed seats I (2) and fixed seats II (3) for assembling weft yarn bobbins, the fixed seats I (2) being slidable relative to or away from the fixed seats II (3) to adjust the relative distance between the fixed seats I (2) and the fixed seats II (3), and the shuttle plate body (1) is provided with an elastic reset member (4) corresponding to the fixed seats I (2) for pushing the fixed seats I (2) toward the fixed seats II (3), characterized in that: The shuttle body (1) is provided with a mounting seat (5) corresponding to the fixed seat I (2). The mounting seat (5) is provided with a clearance cavity (6). The fixed seat I (2) is partially inserted into the clearance cavity (6). An arc-shaped track (21) is spiraled on the outer wall of the fixed seat I (2). It also includes a guide (7) that passes through the mounting seat (5) and is inserted into the arc-shaped track (21). When the fixed seat I (2) rotates, the arc-shaped track (21) can cooperate with the guide (7) to make the fixed seat I (2) rotate in or out. The elastic reset member (4) is provided in the clearance cavity (6). One end of the elastic reset member (4) abuts against the mounting seat (5) and the other end abuts against the fixed seat I (2).

2. The circular loom shuttle plate with convenient weft changing according to claim 1, characterized in that: The fixed seat I (2) is also provided with a horizontally arranged locking groove (22). The locking groove (22) is located at the end of the arc track (21) and is connected to it as a whole. When the fixed seat I (2) is rotated to the designated position, the fixed seat I (2) can rotate further to drive the guide (7) into the locking groove (22) to achieve locking.

3. A circular loom shuttle plate with convenient weft changing according to claim 1 or 2, characterized in that: The fixed seat I (2) is provided with a shaft (23) on one side outside the clearance cavity (6), and a rotating disk (24) that rotates synchronously with it is sleeved on the shaft (23).

4. A circular loom shuttle plate with convenient weft changing according to claim 3, characterized in that: The rotating disk (24) is provided with an anti-slip structure (241).

5. A circular loom shuttle plate with convenient weft changing according to claim 4, characterized in that: The anti-slip structure (241) includes a groove on the outside of the rotating disk (24) and / or a through hole on the rotating disk (24).

6. A circular loom shuttle plate with convenient weft changing according to claim 1 or 2, characterized in that: Both the fixed seat I (2) and the fixed seat II (3) are provided with bearings (8), and the bearings (8) are provided with plugs (9) for insertion into the weft yarn cylinder. The plugs (9) are constricted.