Spiral tension conveying device for rubber bands

By adjusting the tension of the elastic yarn using a spiral tension conveyor, the problem of uneven fabric surface in flat knitting machines was solved, achieving efficient and high-quality product production.

CN223793317UActive Publication Date: 2026-01-13稳健医疗(武汉)有限公司
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Patent Information

Application Number
CN202423272293.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-30
Publication Date
2026-01-13
Estimated Expiration
2034-12-30

AI Technical Summary

Technical Problem

In the knitting process of a flat knitting machine, insufficient or excessive tension of the elastic yarn can lead to uneven fabric surface and abnormalities. Existing technologies have failed to effectively solve this problem, resulting in material waste and low production efficiency.

Method used

A spiral tension conveying device is adopted, including a yarn cylinder, a tension adjustment device, a yarn guide wheel, and a yarn conveying roller. The yarn tension is controlled by adjusting the spacing of the soft rubber rollers and the linear module to ensure uniform conveying.

Benefits of technology

Uniform elastic band tension is ensured, reducing abnormal situations and improving production efficiency and product quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of knitting, and particularly relates to a spiral tension conveying device for rubber bands. The device comprises a spool, a tension adjusting device, a first yarn guide wheel, a yarn conveying roller and a yarn nozzle which are sequentially arranged, wherein the yarn conveying roller is horizontally arranged. According to the utility model, in the knitting process of the tuck stitch containing the rubber string, the tension uniformity of the rubber string is guaranteed, so that the problems of waste of raw materials and flaws of a cloth cover are solved, and high-efficiency and high-quality products are further guaranteed.
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Description

Technical Field

[0001] This utility model belongs to the field of knitting technology, specifically relating to a spiral tension conveying device for elastic bands. Background Technology

[0002] In the flat knitting process, when the padding yarn is in a full-row, spaced-needle tucked-loop weave, the elastic yarn may have insufficient tension, resulting in a relatively good fabric surface, but the overall loops will appear looser and unable to meet the compression requirements. Alternatively, if the yarn tension is too high, the yarn may not be able to tuck on the needles during knitting, causing it to slip out of loop. This leads to an uneven fabric surface, missing stitches, or other defects in the full-row knitted fabric. Too many defects result in excessive waste of raw materials, wasted time and effort, and difficulty in guaranteeing product quality. To solve these problems, selecting a suitable tension conveying device and an appropriate tension level is particularly important. Utility Model Content

[0003] To address the shortcomings of existing technologies, this invention provides a spiral tension conveying device for elastic bands. Through this invention, the tension uniformity of the elastic bands is ensured during the weaving process of looped fabrics containing elastic bands, thereby solving the problems of raw material waste and fabric defects, and ultimately guaranteeing high-efficiency, high-quality products.

[0004] The technical solution provided by this utility model is as follows:

[0005] A spiral tension conveying device for elastic bands includes a yarn cylinder, a tension adjusting device, a first guide roller, a yarn conveying roller, and a yarn nozzle arranged in sequence, wherein the yarn conveying roller is horizontally arranged.

[0006] Based on the above technical solution:

[0007] When knitting, if you encounter uneven fabric or abnormal situations such as yarn slippage or excessive yarn intake causing loop slippage, you can adjust the tension using a tension adjustment device.

[0008] This drives the yarn conveyor roller to circulate and transmit the yarn stably to the yarn nozzle, ensuring the yarn tension while preventing the yarn from springing back.

[0009] The combination of these two factors ensures the uniformity of elastic band tension.

[0010] Specifically: the yarn bobbin is fixedly mounted on the horizontal platform.

[0011] Furthermore, a second guide roller is also provided between the yarn bobbin and the tension adjusting device.

[0012] Specifically, the tension adjusting device includes:

[0013] A pair of soft rubber rollers positioned vertically;

[0014] An adjustment mechanism is provided for adjusting the spacing between the two soft rubber rollers.

[0015] Based on the above technical solution, the clamping degree of the yarn can be adjusted by adjusting the distance between the soft rubber rollers, thereby adjusting the tension.

[0016] More specifically: the adjustment mechanism includes a pair of adjustment frames, each of the adjustment frames including a lower fixed base and an upper linear module, the two ends of the lower soft rubber roller are respectively rotatably mounted on one of the fixed bases, and the two ends of the upper soft rubber roller are respectively rotatably mounted on the moving end of one of the linear modules.

[0017] Furthermore, the two linear modules are electrically connected to a control device.

[0018] Based on the above technical solution, the control device can be equipped with buttons to control the two linear modules to work synchronously, thereby moving the upper soft rubber roller.

[0019] Specifically, each of the soft rubber rollers includes a roller and a soft rubber layer on its surface.

[0020] Specifically, the yarn conveying roller has a threaded groove on its surface, thread buckles at both ends, and a drive motor.

[0021] Based on the above technical solution, yarn can be stably fed to the yarn feeder.

[0022] Furthermore, a third yarn guide roller is provided between the yarn conveying roller and the yarn nozzle.

[0023] Specifically, the yarn nozzle is an inverted cone shape, with an inlet on its side wall and an outlet at its bottom.

[0024] Specifically, the yarn feeder is positioned facing the needle bed.

[0025] The beneficial effects of this utility model are as follows:

[0026] 1) The elastic band tension is more uniform, reducing weaving abnormalities;

[0027] 2) Fabric weaving is smoother and product quality is better;

[0028] 3) The fabric feels better to the touch;

[0029] 4) Less raw material loss and higher production efficiency. Attached Figure Description

[0030] Figure 1 This is a schematic diagram of the overall structure of the spiral tension conveying device for rubber bands provided by this utility model.

[0031] Figure 2 This is a schematic diagram of the tension adjustment device.

[0032] Appendix Figure 1 , 2 The structures represented by each label are listed below:

[0033] 1. Horizontal platform; 2. Yarn bobbin; 3. Yarn; 4. Tension adjustment device; 41. Soft rubber roller; 42. Fixing base; 43. Straight line module; 5. First guide roller; 6. Yarn conveying roller; 61. Yarn loop; 7. Yarn nozzle; 8. Needle bed; 9. Knitting needle. Detailed Implementation

[0034] The principles and features of this utility model are described below. The embodiments given are only used to explain this utility model and are not intended to limit the scope of this utility model.

[0035] It should be noted that when a part or component is considered to be "connected to," "located on," or "assembled" to another part or component, it can be directly mounted on the other part or component, or it may be located in an intermediate part or component. The terms "left," "right," "upper," "lower," and similar expressions used in this document are for illustrative purposes only.

[0036] Example 1

[0037] like Figure 1 As shown, the spiral tension conveying device for elastic bands includes a yarn bobbin 2, a tension adjusting device 4, a first guide roller 5, a yarn conveying roller 6, and a yarn nozzle 7 arranged sequentially. The yarn conveying roller 6 is horizontally positioned. The yarn bobbin 2 is fixedly mounted on a horizontal platform 1. The yarn nozzle 7 faces the needle bed 8. A second guide roller is also provided between the yarn bobbin 2 and the tension adjusting device 4. A third guide roller is provided between the yarn conveying roller 6 and the yarn nozzle 7. This technical solution, based on the cooperation of the tension adjusting device and the yarn conveying roller, can ensure the uniformity of elastic band tension.

[0038] Example 2

[0039] Based on Example 1, such as Figure 2 As shown, the tension adjusting device 4 includes a pair of vertically arranged soft rubber rollers 41 and an adjusting mechanism. The adjusting mechanism includes a pair of adjusting frames, each frame including a lower fixed base 42 and an upper linear module 43. The two ends of the lower soft rubber roller 41 are rotatably mounted on the fixed base 42, and the two ends of the upper soft rubber roller 41 are rotatably mounted on the movable end of the linear module 43. Each soft rubber roller 41 includes a roller and a soft rubber layer on its surface.

[0040] The two linear modules 43 are electrically connected to a control device, which can further control the two linear modules to work synchronously, thereby driving the upper soft rubber roller to move and thus adjusting the yarn tension.

[0041] Example 3

[0042] Based on Example 1, such as Figure 1 As shown, the yarn conveying roller 6 has threaded grooves on its surface, and annular loops 61 are provided at both ends of the yarn conveying roller 6 to limit the yarn movement. The yarn conveying roller 6 is equipped with a drive motor to drive the yarn conveying roller to rotate around its axis. Based on this technical solution, yarn can be stably conveyed to the yarn feeder.

[0043] Example 4

[0044] Based on Example 1, such as Figure 1 As shown, the yarn nozzle 7 is an inverted cone shape, with an inlet on its side wall and an outlet at its bottom.

[0045] After all the yarn threading and setup are complete, the yarn 3 passes through the corresponding devices sequentially according to the path until it is finally fixed on the knitting needles 9 on the needle bed 8. During knitting, if there are any abnormalities such as uneven fabric surface, yarn slippage, or excessive yarn intake causing loop slippage, the tension can be adjusted using the tension regulating device. Once ready, the yarn begins to weave under the drive of the yarn feeder. The motor drives the yarn feed roller to start working, thereby driving the yarn feeder roller to circulate and stably feed the yarn to the yarn feeder, ensuring yarn tension while preventing yarn rebound.

[0046] The above are merely preferred embodiments of this utility model and are not intended to limit the utility model in any way. Anyone skilled in the art can smoothly implement this utility model according to the accompanying drawings and the above description. However, any modifications, alterations, or equivalent changes made by those skilled in the art without departing from the scope of the technical solution of this utility model using the disclosed technical content are equivalent embodiments of this utility model. Furthermore, any equivalent changes, alterations, or evolutions made to the above embodiments based on the essential technology of this utility model are still within the protection scope of the technical solution of this utility model.

Claims

1. A spiral tension conveying device for rubber bands, characterized in that, It includes a yarn bobbin (2), a tension adjusting device (4), a first yarn guide wheel (5), a yarn conveying roller (6) and a yarn nozzle (7) arranged in sequence, wherein the yarn conveying roller (6) is arranged horizontally.

2. The spiral tension conveying device for elastic bands according to claim 1, characterized in that: The yarn tube (2) is fixedly set on the horizontal platform surface (1).

3. The spiral tension conveying device for elastic bands according to claim 1, characterized in that: A second guide roller is also provided between the yarn bobbin (2) and the tension adjusting device (4).

4. The spiral tension conveying device for elastic bands according to claim 1, characterized in that, The tension adjusting device (4) includes: A pair of soft rubber rollers (41) arranged vertically; An adjustment mechanism is provided for adjusting the spacing between the two soft rubber rollers (41).

5. The spiral tension conveying device for elastic bands according to claim 4, characterized in that: The adjustment mechanism includes a pair of adjustment frames, each of which includes a lower fixed seat (42) and an upper linear module (43). The two ends of the lower soft rubber roller (41) are respectively rotatably mounted on one of the fixed seats (42), and the two ends of the upper soft rubber roller (41) are respectively rotatably mounted on the movable end of one of the linear modules (43).

6. The spiral tension conveying device for elastic bands according to claim 5, characterized in that: The two linear modules (43) are electrically connected to the control device; Each of the soft rubber rollers (41) includes a roller and a soft rubber layer on the surface.

7. The spiral tension conveying device for elastic bands according to claim 1, characterized in that: The yarn conveying roller (6) has a threaded groove on its surface, and the two ends of the yarn conveying roller (6) are provided with a wire buckle (61). The yarn conveying roller (6) is provided with a drive motor.

8. The spiral tension conveying device for elastic bands according to claim 1, characterized in that: A third yarn guide roller is provided between the yarn conveying roller (6) and the yarn nozzle (7).

9. The spiral tension conveying device for elastic bands according to claim 1, characterized in that: The yarn nozzle (7) is an inverted cone shape, with an inlet on its side wall and an outlet at its bottom.

10. The spiral tension conveying device for elastic bands according to any one of claims 1 to 9, characterized in that: The yarn feeder (7) is positioned facing the needle bed (8).