Connecting device for preventing friction sparking of weft of high-speed loom

By designing an alternating rolling contact connection device and an electrostatic brush on the high-speed loom to eliminate static electricity, the problem of weft friction and sparking is solved, and production efficiency and equipment durability are improved.

CN223316857UActive Publication Date: 2025-09-09DEZHOU YINGKAIMO METAL MESH CO LTD +2
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Patent Information

Application Number
CN202422755149.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-12
Publication Date
2025-09-09
Estimated Expiration
2034-11-12

AI Technical Summary

Technical Problem

High-speed looms are prone to sparking during the weft friction process, resulting in low production efficiency and equipment damage. In the existing technology, the yarn guide components are severely worn and have poor adaptability.

Method used

A connecting device is designed, including a support base and a connecting mechanism. The two connecting parts alternately make rolling contact with the weft. The design of the rotating cantilever and the connecting wheel prevents wear of individual parts after long-term use, and is equipped with an electrostatic brush to eliminate static electricity.

Benefits of technology

It effectively prevents weft friction from sparking, improves production efficiency, extends equipment life, and enhances adaptability and practicality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a connecting device for preventing friction sparking of weft of a high-speed loom, which comprises a supporting seat arranged on a rack of the high-speed loom; the connecting mechanism is arranged on the supporting seat, the connecting mechanism is provided with two connecting parts which can be in rolling contact with the weft, and the connecting mechanism is used for enabling the two connecting parts to be in contact with the weft alternately. According to the connecting device for preventing friction sparking of the weft of the high-speed loom, the supporting seat is arranged and can be fixedly arranged on a rack of the high-speed loom; the connecting mechanism is arranged on the supporting seat, so that the two connecting parts of the connecting mechanism can be alternately in rolling contact with the weft, abrasion of a single part after long-time use is prevented, the sparking condition can be avoided, damage to equipment is avoided, and the weft knitting machine is high in production efficiency, good in adaptability and good in practicability.
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Description

Technical Field

[0001] The utility model belongs to the technical field of high-speed looms, and particularly relates to a connecting device for preventing weft threads of high-speed looms from igniting due to friction. Background Art

[0002] High-speed looms are advanced equipment used to efficiently produce fabrics, achieving faster weaving speeds and higher production efficiency than traditional looms. During the operation of high-speed looms, weft yarn friction and sparking are a common but serious problem. During the production process of high-speed looms, a large amount of static electricity will accumulate on the weft yarn due to friction between fibers, fibers and metals, and metals and metals. When static electricity accumulates to a certain level, a discharge phenomenon occurs, which is the so-called "sparking".

[0003] In the prior art, during the weaving process of a high-speed loom, components such as yarn guide hooks and yarn guide eyes installed on the high-speed loom frame will wear out after long-term use, resulting in additional friction when the weft yarn passes through, causing sparks, which not only affects production efficiency but also damages the equipment, resulting in poor adaptability and poor practicality. Utility Model Content

[0004] The embodiment of the utility model provides a connecting device for preventing weft yarns of a high-speed loom from rubbing and sparking, aiming to solve the problem that existing yarn guide components are worn and sparked after long-term use.

[0005] To achieve the above object, the technical solution adopted by the present invention is to provide a connection device for preventing weft yarns from rubbing and sparking on a high-speed loom, comprising:

[0006] A support base is provided on a high-speed loom frame;

[0007] The connecting mechanism is arranged on the supporting seat, and the connecting mechanism has two connecting parts that can be in rolling contact with the weft. The connecting mechanism is used to make the two connecting parts contact the weft in an alternating manner.

[0008] In a possible implementation, the extending direction of the weft is set as a first direction, and a direction that is horizontal and perpendicular to the first direction is set as a second direction;

[0009] The connecting mechanism comprises:

[0010] A rotating cantilever, rotatably disposed on the support seat, with a rotation axis disposed along the second direction, and having two connecting ends symmetrically extending in a direction perpendicular to the rotation axis of the rotating cantilever;

[0011] There are two connecting wheels, and the two connecting wheels are arranged in a one-to-one correspondence with the two connecting ends. Each connecting wheel is rotatably connected to the corresponding connecting end, and the rotation axis is arranged parallel to the rotation axis of the rotating cantilever. Each connecting wheel is provided with an annular groove, and the connecting wheel is the connecting part.

[0012] In a possible implementation, the rotating cantilever includes:

[0013] A sliding block is slidably arranged on the support seat in a vertical direction;

[0014] A connecting cantilever is rotatably arranged on the sliding block, with a rotation axis arranged along the second direction, and the connecting cantilever is provided with two connecting ends;

[0015] Wherein, the support seat is provided with a sliding groove for the sliding block to slide along the vertical direction.

[0016] In a possible implementation, the connecting mechanism further includes a positioning pin, which passes through the slide groove and is inserted into the connecting cantilever, and is used to fix the connecting cantilever when the corresponding connecting wheel is in weft winding operation;

[0017] Wherein, both protruding ends of the connecting cantilever are provided with plugging holes for inserting the positioning pin.

[0018] In a possible implementation, the sliding block is provided with a positioning screw, which is threadedly connected to the sliding block and is used to rotate and abut against the support seat when the sliding block slides to the working position to fix the position of the sliding block.

[0019] In a possible implementation, the two connecting wheels are arranged on the rotating cantilever at an annular interval along the axial direction of the rotating cantilever.

[0020] In one possible implementation, the connecting device for preventing the weft of a high-speed loom from rubbing and sparking also includes an electrostatic brush, which is arranged on a frame of the high-speed loom. The electrostatic brush can slide along the extension direction of the weft to the bottom end of the corresponding connecting part, and is used to contact the corresponding connecting part to eliminate static electricity on the connecting part.

[0021] In this implementation, compared with the prior art, a support base is provided, which can be fixedly mounted on a high-speed loom frame; a connecting mechanism is provided on the support base, which can enable the two connecting parts of the connecting mechanism to alternately roll in contact with the weft, thereby preventing wear of a single part after long-term use, avoiding sparks, and avoiding damage to the equipment, with high production efficiency, good adaptability, and good practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 A schematic diagram of the structure of a connection device for preventing weft yarns from igniting on a high-speed loom, provided by an embodiment of the present utility model;

[0023] Description of reference numerals:

[0024] 10. Support seat; 20. Connecting mechanism; 21. Rotating cantilever; 211. Sliding block; 2111. Positioning screw; 212. Connecting cantilever; 22. Connecting wheel; 23. Positioning pin; 30. Electrostatic brush; 40. High-speed loom frame. DETAILED DESCRIPTION

[0025] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0026] Please also refer to Figure 1 The connection device for preventing weft sparks from friction in a high-speed loom, provided by the present invention, is now described. The connection device for preventing weft sparks from friction in a high-speed loom comprises a support base 10 and a connection mechanism 20. The support base 10 is mounted on a high-speed loom frame 40. The connection mechanism 20 is mounted on the support base 10 and has two connection portions that can engage the weft in rolling contact. The connection mechanism 20 is configured to cause the two connection portions to alternately engage the weft.

[0027] Compared to the prior art, the connection device for preventing weft friction sparks in a high-speed loom provided in this embodiment includes a support base 10 that can be fixedly mounted on a high-speed loom frame 40. A connection mechanism 20 is provided on the support base 10, allowing the two connection portions of the connection mechanism 20 to alternately engage with the weft in rolling contact, thereby preventing wear of individual parts after prolonged use, avoiding sparks and damage to the equipment, and achieving high production efficiency, good adaptability, and excellent practicality.

[0028] The connecting device provided in this embodiment is used to prevent the weft of a high-speed loom from igniting due to friction. Its working principle is that through the two connecting parts of the connecting mechanism 20 that can make rolling contact with the weft and in an alternating manner, after one of the connecting parts works for a period of time, the weft wound on the connecting part is removed and then installed on the other connecting part.

[0029] In some embodiments, the connecting mechanism 20 may be configured as follows: Figure 1 The structure shown. Figure 1 , the extending direction of the weft is set as the first direction, and the direction horizontal and vertical to the first direction is set as the second direction.

[0030] The connecting mechanism 20 includes a rotating cantilever 21 and a connecting wheel 22. The rotating cantilever 21 is rotatably mounted on the support base 10, with its rotation axis arranged along the second direction. It has two connecting ends extending symmetrically in a direction perpendicular to the rotation axis of the rotating cantilever 21. Two connecting wheels 22 are provided, one corresponding to each connecting end. Each connecting wheel 22 is rotatably connected to its corresponding connecting end, with its rotation axis arranged parallel to the rotation axis of the rotating cantilever 21. Each connecting wheel 22 is provided with an annular groove, and serves as the connecting portion.

[0031] The rotating cantilever 21 can be understood as a long rotating disk mounted on the support base 10. The long rotating disk has two symmetrically extending ends perpendicular to the rotation axis of the rotating cantilever 21. Two connecting wheels 22 are rotatably connected to the corresponding connecting ends, and the annular grooves on each connecting wheel 22 are used for winding the weft yarn.

[0032] In some embodiments, the rotating cantilever 21 may be configured as follows: Figure 1 See the structure shown. Figure 1 The rotating cantilever 21 includes a sliding block 211 and a connecting cantilever 212. The sliding block 211 is slidably disposed on the support base 10 in a vertical direction. The connecting cantilever 212 is rotatably disposed on the sliding block 211, with the rotation axis disposed along the second direction. The connecting cantilever 212 is provided with two connecting ends.

[0033] The support base 10 is provided with a sliding groove for the sliding block 211 to slide along the vertical direction.

[0034] The sliding block 211 can be slidably disposed on the support base 10 along a vertical direction, the connecting cantilever 212 can be rotatably disposed on the sliding block 211 , and the two connecting ends of the connecting cantilever 212 can be connected to the two connecting wheels 22 .

[0035] In some embodiments, the connecting mechanism 20 may be configured as follows: Figure 1 See the structure shown. Figure 1 The connecting mechanism 20 also includes a positioning pin 23, which passes through the slide groove and is inserted into the connecting cantilever 212 for fixing the connecting cantilever 212 when the corresponding connecting wheel 22 is working to supply weft winding.

[0036] Wherein, both protruding ends of the connecting cantilever 212 are provided with plugging holes for inserting the positioning pin 23 .

[0037] The positioning pin 23 can pass through the slide groove and be inserted into the connecting cantilever 212, so as to fix the connecting cantilever 212 when the corresponding connecting wheel 22 is working to wind the weft.

[0038] In some embodiments, the sliding block 211 may be configured as follows: Figure 1 The structure shown. Figure 1 The sliding block 211 is provided with a positioning screw 2111, which is threadedly connected to the sliding block 211 and is used to rotate when the sliding block 211 slides to the working position and abut against the support seat 10 to fix the position of the sliding block 211.

[0039] The positioning screw 2111 can be threadedly connected to the sliding block 211 , and can be rotated and abutted against the support seat 10 when the sliding block 211 slides to the working position to fix the position of the sliding block 211 .

[0040] In some embodiments, the connecting wheel 22 may be configured as follows: Figure 1 The structure shown. Figure 1 The two connecting wheels 22 are arranged on the rotating cantilever 21 at an annular interval along the axial direction of the rotating cantilever 21.

[0041] In some embodiments, the above-mentioned connection device for preventing the weft from igniting due to friction in a high-speed loom can be used as follows: Figure 1 The structure shown. Figure 1 The connecting device for preventing the weft from rubbing and sparking on a high-speed loom also includes an electrostatic brush 30. The electrostatic brush 30 is arranged on a high-speed loom frame 40. The electrostatic brush 30 can slide along the extension direction of the weft to the bottom end of the corresponding connecting part, and is used to contact the corresponding connecting part to eliminate static electricity on the connecting part.

[0042] The static brush 30 can slide along the extending direction of the weft to the bottom end of the corresponding connecting portion and contact the corresponding connecting portion to eliminate static electricity on the connecting portion.

[0043] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A connecting device for preventing weft yarn from igniting due to friction in high-speed looms, characterized in that: include: A support base is provided on a high-speed loom frame; The connecting mechanism is arranged on the supporting seat, and the connecting mechanism has two connecting parts that can be in rolling contact with the weft. The connecting mechanism is used to make the two connecting parts contact the weft in an alternating manner.

2. The connecting device for preventing weft friction sparking in high-speed looms according to claim 1, characterized in that: The extending direction of the weft is set as a first direction, and the direction horizontal and perpendicular to the first direction is set as a second direction; The connecting mechanism comprises: A rotating cantilever, rotatably disposed on the support seat, with a rotation axis disposed along the second direction, and having two connecting ends symmetrically extending in a direction perpendicular to the rotation axis of the rotating cantilever; There are two connecting wheels, and the two connecting wheels are arranged in a one-to-one correspondence with the two connecting ends. Each connecting wheel is rotatably connected to the corresponding connecting end, and the rotation axis is arranged parallel to the rotation axis of the rotating cantilever. Each connecting wheel is provided with an annular groove, and the connecting wheel is the connecting part.

3. The connecting device for preventing weft yarn from igniting due to friction in a high-speed loom according to claim 2, wherein: The rotating cantilever comprises: A sliding block is slidably arranged on the support seat in a vertical direction; A connecting cantilever is rotatably arranged on the sliding block, with a rotation axis arranged along the second direction, and the connecting cantilever is provided with two connecting ends; Wherein, the support seat is provided with a sliding groove for the sliding block to slide along the vertical direction.

4. The connecting device for preventing weft yarn from igniting due to friction in a high-speed loom according to claim 3, characterized in that: The connecting mechanism further includes a positioning pin, which passes through the slide groove and is inserted into the connecting cantilever, and is used to fix the connecting cantilever when the corresponding connecting wheel is working to supply weft winding; Wherein, both protruding ends of the connecting cantilever are provided with plugging holes for inserting the positioning pin.

5. The connecting device for preventing weft yarn from igniting due to friction in a high-speed loom according to claim 3, characterized in that: The sliding block is provided with a positioning screw, which is threadedly connected to the sliding block and is used to rotate and abut against the support seat when the sliding block slides to the working position to fix the position of the sliding block.

6. The connecting device for preventing weft yarn from igniting due to friction in a high-speed loom according to claim 2, wherein: The two connecting wheels are arranged on the rotating cantilever at an annular interval along the axial direction of the rotating cantilever.

7. The connecting device for preventing weft yarn from igniting due to friction in a high-speed loom according to claim 1, wherein: The connecting device for preventing the weft of a high-speed loom from igniting due to friction also includes an electrostatic brush, which is arranged on the frame of the high-speed loom. The electrostatic brush can slide along the extension direction of the weft to the bottom end of the corresponding connecting part, and is used to contact the corresponding connecting part to eliminate static electricity on the connecting part.