A weft insertion and clamping synchronizing guide mechanism

Abstract

This invention proposes a synchronous guiding mechanism for weft insertion and clamping, comprising a main rod, a protrusion fixedly connected to the side of the main rod, a slider movably connected to the outer surface of the main rod, a fastening pin threadedly connected to the side of the slider, and the end of the fastening pin abutting against the surface of the main rod; a disc fixedly connected to the side of the slider, with a lead-in hole at the center of the disc; a connector fixedly connected to the back of the disc, and a base frame fixedly connected to the back of the connector. The advantages of this invention are: the portion of the yarn between the lead-in hole and the lead sleeve is clamped by elastic clips, achieving synchronous clamping during the glass fiber guiding process, preventing the glass fiber from loosening and deviating; the clamping force is flexibly adjustable, reducing fiber wear; tightening and loosening the adjusting rod can compress or release the spring, adjusting the clamping force of the elastic clips on the yarn; tightening the rod increases force to prevent slippage, while loosening the rod reduces force to protect the fine yarn; the slider height is adjustable to adapt to different loom layouts.

Description

Technical Field

[0001] This utility model relates to the field of glass fiber weaving technology, and in particular to a synchronous guiding mechanism for weft insertion and clamping. Background Technology

[0002] In the field of fiberglass weaving, the stability and yarn protection capabilities of the weft insertion mechanism directly affect product quality and production efficiency. Traditional guide mechanisms have the following technical shortcomings:

[0003] Functional limitation: Most weft insertion mechanisms only have a guide channel (such as a ceramic yarn guide eye) and lack synchronous clamping function. Glass fiber weft yarns are prone to slack, knotting, or shifting due to tension fluctuations during high-speed operation, leading to an increased yarn breakage rate.

[0004] The clamping structure is crude: some clamping mechanisms use rigid clamping plates or fixed-gap clamps, which cannot adapt to glass fiber yarns of different diameters (e.g., 80-160 tex). Overpressure can easily crush the fibers, while underpressure can cause the yarn to slip. Therefore, a synchronous guiding mechanism for weft insertion and clamping is proposed to solve the above problems. Utility Model Content

[0005] The purpose of this invention is to at least solve one of the aforementioned technical defects.

[0006] Therefore, one objective of this utility model is to propose a synchronous guiding mechanism for weft insertion and clamping, so as to solve the problems mentioned in the background art and overcome the shortcomings of the prior art.

[0007] To achieve the above objectives, one embodiment of the present invention provides a synchronous guiding mechanism for weft insertion and clamping, including a main rod, a protrusion fixedly connected to the side of the main rod, a slider movably connected to the outer surface of the main rod, a fastening pin threadedly connected to the side of the slider, and the end of the fastening pin abutting against the surface of the main rod.

[0008] A disk is fixedly connected to the side of the slider, and a lead wire hole is provided at the center of the disk.

[0009] A connector is fixedly connected to the back of the disc body, and a base frame is fixedly connected to the back of the connector;

[0010] A fixing rod is fixedly connected to the end of the base frame, and an elastic clip is fixedly connected to the back of the fixing rod;

[0011] The spacing between the elastic clips is variable, and a spring is fixedly connected to the side of the middle section of the elastic clip.

[0012] A wire sleeve is fixedly connected to the front end of the top surface of the base frame, and a side plate is fixedly connected to the edge of the top surface of the base frame. An adjusting rod is threadedly connected to the side plate, and the end of the adjusting rod abuts against the end of the spring.

[0013] Existing guiding mechanisms are relatively simple in function, typically only providing a yarn guide channel (such as a ceramic yarn guide eye), lacking synchronous clamping and adaptive adjustment of the yarn. Under high-speed operation, the fiberglass weft yarn is prone to loosening or deviation due to tension fluctuations, increasing the risk of yarn breakage. While some existing products possess clamping functions, they often employ rigid clamps or fixed-gap structures, resulting in insufficient adaptability to yarns of different diameters (e.g., 80–160 tex): excessive clamping force can easily cause fiber surface abrasion or even fuzzing, while insufficient clamping force can easily lead to yarn slippage. These shortcomings limit further improvements in weaving efficiency and finished product quality.

[0014] In this design, the portion of the yarn between the lead hole and the conductor sleeve is synchronously clamped by elastic clips, effectively preventing yarn slack and deviation during the guiding process. The clamping force is adjustable via an adjusting rod driving a spring, maintaining a suitable clamping force for yarns of different diameters, thereby reducing fiber wear caused by excessive clamping or slippage caused by insufficient clamping.

[0015] In addition, the height of the slider on the main rod is adjustable, which makes it easy to flexibly adjust the installation position of the device according to the loom structure and process requirements, thus improving the adaptability of the device.

[0016] Preferably, in any of the above embodiments, the height of the slider on the main rod is adjustable, and a knob is fixedly connected to the outer end of the fastening pin.

[0017] Using the above technical solution: This device is specifically designed for guiding and clamping fiberglass weft threads.

[0018] This device consists of four parts. The first part is the main body of the mechanism, which includes a main rod, a slider, and a fastening pin. The position of the slider on the main rod is adjustable and can be locked by the fastening pin.

[0019] The second part is the yarn guide section, which includes a reel, a lead hole, and a guide hole. The yarn enters through the lead hole of the reel and exits through the guide hole.

[0020] The third part is the yarn clamping part, which includes a fixing rod and elastic clamps. The two elastic clamps clamp the transmitted yarn.

[0021] The fourth part is the clamping force adjustment part, which includes a spring, an adjusting rod, and a side plate. Tightening and loosening the adjusting rod can press or release the spring and adjust the clamping force of the elastic clips on the yarn.

[0022] Preferably, in any of the above solutions, the disc body is bonded to the slider, and the disc body is riveted to the connector at multiple points.

[0023] Preferably, in any of the above embodiments, the rear of the lead hole is aligned with the wire sleeve, and the base frame is bonded to the disk body.

[0024] Using the above technical solution: the part of the yarn between the lead hole and the lead sleeve is held by elastic clips, which can realize synchronous clamping during the glass fiber guiding process, avoid the glass fiber from loosening and deviating, and at the same time the clamping force is flexibly adjustable, reducing fiber wear. Tightening and loosening the adjusting rod can press or loosen the spring, adjust the clamping force of the elastic clips on the yarn, tightening the rod increases the force to prevent slippage, and loosening the rod reduces the force to protect the fine yarn.

[0025] The slider height is adjustable to adapt to different loom layouts.

[0026] Preferably, in any of the above embodiments, the elastic clip is made of stainless steel, and the spring is welded to the elastic clip.

[0027] The above technical solution is adopted: Device structure composition: This device consists of four functional units:

[0028] Mechanism body: The main rod has an axial protrusion on its side, and the slider is movably sleeved on the outer surface of the main rod. The slider is connected to a fastening pin by a thread on its side, and the end of the fastening pin presses against the main rod to lock the height of the slider.

[0029] Yarn conductor section: The disc is fixed to the side of the slider, with a lead hole in the center; the lead hole is fixed to the front of the base frame, and the lead hole and the lead sleeve are coaxially aligned to ensure that the yarn passes through in a straight line.

[0030] Yarn clamping part: The fixing rod is vertically fixed to the end of the base frame. A pair of variable-pitch elastic clips are connected to the back of the fixing rod. A spring is welded to the middle of the clips to form an adaptive clamping opening.

[0031] Clamping force adjustment section: A side plate is fixed to the top surface of the base frame, and a hexagonal adjusting rod is threaded onto the side plate. The end of the adjusting rod presses against the end of the spring. The slider is fixed to the disc body by adhesive bonding, and the disc body and the joint are reinforced by multi-point riveting.

[0032] The base frame is bonded to the disc body, and the joint is welded to the front of the base frame. The elastic clip is made of stainless steel, and the spring is welded to it. A knob is provided on the outer end of the fastening pin for easy manual operation.

[0033] Preferably, the adjusting rod is a hexagonal bolt, as described in any of the above embodiments.

[0034] Compared with the prior art, the advantages and beneficial effects of this utility model are as follows:

[0035] This synchronous guiding mechanism for weft insertion and clamping uses elastic clips to clamp the yarn between the lead hole and the lead sleeve, enabling synchronous clamping during the glass fiber guidance process. This prevents the glass fiber from loosening and deviating. At the same time, the clamping force is flexibly adjustable, reducing fiber wear. Tightening and loosening the adjusting rod can compress or loosen the spring, adjusting the clamping force of the elastic clips on the yarn. Tightening the rod increases force to prevent slippage, while loosening the rod reduces force to protect the fine yarn.

[0036] The slider height is adjustable to adapt to different loom layouts.

[0037] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0038] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0039] Figure 1 This is a first-view structural schematic diagram of the present invention;

[0040] Figure 2 This is a structural schematic diagram of the present invention from a second perspective;

[0041] Figure 3 This is a structural schematic diagram of the present invention from a third-view perspective;

[0042] Figure 4 This utility model Figure 1 A magnified structural diagram of point A in the middle.

[0043] In the diagram: 1-Main rod, 2-Slider, 3-Fasting pin, 4-Disc body, 5-Leading wire hole, 6-Connector, 7-Base frame, 8-Fixing rod, 9-Elastic clamp, 10-Spring, 11-Wire sleeve, 12-Side plate, 13-Adjusting rod. Detailed Implementation

[0044] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this utility model, and should not be construed as limiting this utility model.

[0045] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0046] like Figure 1-4As shown, the synchronous guiding mechanism for weft insertion and clamping includes a main rod 1, a protrusion fixedly connected to the side of the main rod 1, a slider 2 movably connected to the outer surface of the main rod 1, a fastening pin 3 threadedly connected to the side of the slider 2, and the end of the fastening pin 3 abutting against the surface of the main rod 1.

[0047] The slider 2 is fixedly connected to the side of the disk body 4, and the disk body 4 has a lead wire hole 5 at the center.

[0048] A connector 6 is fixedly connected to the back of the disc body 4, and a base frame 7 is fixedly connected to the back of the connector 6;

[0049] A fixing rod 8 is fixedly connected to the end of the base frame 7, and an elastic clip 9 is fixedly connected to the back of the fixing rod 8;

[0050] The spacing of the elastic clips 9 is variable, and a spring 10 is fixedly connected to the side of the middle section of the elastic clips 9.

[0051] A wire sleeve 11 is fixedly connected to the front end of the top surface of the base frame 7, and a side plate 12 is fixedly connected to the edge of the top surface of the base frame 7. An adjusting rod 13 is threadedly connected to the side plate 12, and the end of the adjusting rod 13 abuts against the end of the spring 10.

[0052] Example 1: The height of slider 2 on main rod 1 is adjustable, and a knob is fixedly connected to the outer end of fastening pin 3. Disc 4 is bonded to slider 2, and disc 4 is riveted to connector 6 at multiple points. The rear of lead hole 5 is aligned with wire sleeve 11, and base frame 7 is bonded to disc 4. Elastic clip 9 is made of stainless steel, and spring 10 is welded to elastic clip 9. Adjusting rod 13 is specifically a hexagonal bolt.

[0053] Example 2: This device is specifically designed for guiding and clamping glass fiber weft threads.

[0054] This device consists of four parts. The first part is the main body of the mechanism, which includes a main rod 1, a slider 2, and a fastening pin 3. The position of the slider 2 on the main rod 1 is adjustable and can be locked by the fastening pin 3.

[0055] The second part is the yarn conductor part, including the disc body 4, the lead hole 5, and the conductor hole 11. The yarn enters through the lead hole 5 of the disc body 4 and exits through the conductor hole 11.

[0056] The third part is the yarn clamping part, which includes a fixing rod 8 and an elastic clamp 9. The two elastic clamps 9 clamp the transmitted yarn.

[0057] The fourth part is the clamping force adjustment part, which includes spring 10, adjusting rod 13, and side plate 12. Tightening and loosening the adjusting rod 13 can press or loosen spring 10 and adjust the clamping force of elastic clip 9 on yarn.

[0058] Device Structure: This device consists of four functional units:

[0059] Mechanism body: The main rod 1 has an axial protrusion on its side, and the slider 2 is movably sleeved on the outer surface of the main rod 1. The slider 2 is threadedly connected to the fastening pin 3 on its side, and the end of the fastening pin 3 presses against the main rod 1 to lock the height of the slider.

[0060] Yarn conductor part: The disc 4 is fixed to the side of the slider 2, and the center has a lead hole 5; the front end of the base frame 7 is fixed with a lead sleeve 11, and the lead hole 5 and the lead sleeve 11 are coaxially aligned to ensure that the yarn passes through in a straight line.

[0061] Yarn clamping part: The fixing rod 8 is vertically fixed to the end of the base frame 7. A pair of variable-pitch elastic clips 9 are connected to the back of the fixing rod 8. A spring 10 is welded to the middle of the clip to form an adaptive clamping opening.

[0062] Clamping force adjustment section: The top surface of the base frame 7 is fixed with a side plate 12, and the side plate 12 is threadedly connected to a hexagonal adjusting rod 13. The end of the adjusting rod 13 presses against the end of the spring 10. The slider 2 is fixed to the disc 4 by adhesive bonding, and the disc 4 is reinforced to the joint 6 by multi-point riveting.

[0063] The base frame 7 is bonded to the disc body 4, and the connector 6 is welded to the front side of the base frame 7. The elastic clip 9 is made of stainless steel, and the spring 10 is welded to it. The fastening pin 3 has a knob on its outer end for easy manual operation.

[0064] The working principle of this utility model is as follows:

[0065] Installation steps:

[0066] Fix the main rod 1 to the loom frame; slide the slider 2 to the target height and tighten the fastening pin 3 to lock it; thread the glass fiber weft yarn through the lead hole 5, the elastic clip 9, and the wire sleeve 11 in sequence; use a hex wrench to finely adjust the adjusting rod 13 and observe the yarn tension to the optimal value.

[0067] Working principle: After the yarn is introduced through the lead hole 5, it enters the area of ​​the elastic clamp 9: Guiding stage: The yarn is guided through the lead hole 5 and straight-lined to the conductor sleeve 11; Synchronous clamping stage: The elastic clamp 9 closes the clamping opening under the pre-pressure of the spring 10, providing constant friction force when the yarn moves, and suppressing fiber vibration and deviation.

[0068] Dynamic pressure adjustment stage: When the yarn is thicker, tighten the adjusting rod 13 → compress the spring 10 → increase the clamp closing pressure to prevent slippage; when the yarn is thinner, loosen the adjusting rod 13 → release the spring 10 → reduce the pressure to avoid crushing the fibers.

[0069] Stability assurance: The main rod 1 protrusion constrains the circumferential displacement of the slider 2, ensuring that the clamping center line is always coaxial with the lead hole 5 and the wire sleeve 11.

[0070] Example effect:

[0071] When this mechanism is applied to a glass fiber loom: the yarn breakage rate is reduced by 52%; due to the dispersed and adjustable clamping force, fiber surface wear is reduced; when changing yarns of different diameters, the pressure adjustment response time of the adjusting rod 13 is <3 seconds; the position adjustment error of the slider 2 is ≤0.5mm, meeting the requirements of high-precision weaving.

[0072] Compared with the prior art, the present invention has the following advantages:

[0073] This synchronous guiding mechanism for weft insertion and clamping involves clamping the yarn between the lead hole 5 and the lead sleeve 11 with elastic clips 9, which enables synchronous clamping during the glass fiber guiding process, preventing the glass fiber from loosening and deviating. At the same time, the clamping force is flexibly adjustable, reducing fiber wear. Tightening and loosening the adjusting rod 13 can press or loosen the spring 10, adjusting the clamping force of the elastic clips 9 on the yarn. Tightening the rod increases the force to prevent slippage, while loosening the rod reduces the force to protect the fine yarn.

[0074] The height of slider 2 is adjustable to adapt to different loom layouts.

Claims

1. A weft insertion and clamping synchronisation guide mechanism, characterised in that, Includes a main rod (1), a protrusion is fixedly connected to the side of the main rod (1), a slider (2) is movably connected to the outer surface of the main rod (1), a fastening pin (3) is threadedly connected to the side of the slider (2), and the end of the fastening pin (3) abuts against the surface of the main rod (1). The slider (2) is fixedly connected to a disc body (4) on its side, and a lead wire hole (5) is provided at the center of the disc body (4). The back of the disc body (4) is fixedly connected to a connector (6), and the back of the connector (6) is fixedly connected to a base frame (7). The end of the base frame (7) is fixedly connected to a fixing rod (8), and the back of the fixing rod (8) is fixedly connected to an elastic clip (9). The spacing of the elastic clips (9) is variable, and a spring (10) is fixedly connected to the middle side of the elastic clips (9). A wire sleeve (11) is fixedly connected to the front end of the top surface of the base frame (7), and a side plate (12) is fixedly connected to the edge of the top surface of the base frame (7). An adjusting rod (13) is threadedly connected to the side plate (12), and the end of the adjusting rod (13) abuts against the end of the spring (10).

2. A weft insertion and gripper synchronization guide mechanism as claimed in claim 1, characterized in that: The height of the slider (2) on the main rod (1) is adjustable, and the outer end of the fastening pin (3) is fixedly connected to a knob.

3. A weft insertion and gripper synchronisation guide mechanism according to claim 2, wherein: The disc body (4) is bonded to the slider (2), and the disc body (4) is riveted to the connector (6) at multiple points.

4. A weft insertion and gripper synchronisation guide mechanism as claimed in claim 3, characterised in that: The rear of the lead hole (5) is aligned with the wire sleeve (11), and the base frame (7) is bonded to the disk body (4).

5. An insert and clamp synchronisation guide mechanism as claimed in claim 4, characterised in that: The elastic clip (9) is made of stainless steel, and the spring (10) is welded to the elastic clip (9).

6. An insert and clamp synchronisation guide mechanism as claimed in claim 5, characterised in that: The adjusting rod (13) is specifically a hexagonal bolt.

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