Warp knitting machine yarn tension device convenient to adjust

By designing a warp knitting machine yarn tension device that is easy to adjust, the height of the tension roller is adjusted by using an electric telescopic rod, which solves the problem of relaxation during the yarn tensioning process, and reduces yarn retraction by loosening nuts, improving the success rate of warp knitting and fabric quality.

CN222821810UActive Publication Date: 2025-05-02常州欧野机械科技有限公司
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Patent Information

Application Number
CN202421834627.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-31
Publication Date
2025-05-02
Estimated Expiration
2034-07-31

AI Technical Summary

Technical Problem

Existing warp knitting machines are prone to relaxation during the yarn tensioning process, resulting in warp knitting failure. When the yarn breaks, the retracted structure is prone to appear, affecting the quality of the fabric.

Method used

A warp knitting machine yarn tension device is designed for easy adjustment, and the height adjustment of the tension roller is controlled by an electric telescopic rod to achieve flexible adjustment of yarn tension. In addition, when the yarn is broken, the pressing roller is moved downward by loosening the nut, and the flexible rubber convex ring is stuck in the wiring groove of the limit roller to reduce the retraction of the yarn.

Benefits of technology

Adjust the height of the tension roller through the electric telescopic rod to achieve flexible adjustment of yarn tension, avoid yarn slack, and improve the success rate of warp knitting. When the yarn breaks, reduces the retraction phenomenon and protects the quality of the fabric.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of warp knitting machines, in particular to a warp knitting machine yarn tension device convenient to adjust, which comprises a warp knitting machine body, mounting seats are arranged on one side of the warp knitting machine body, and a limiting roller is arranged in the middle of one side, close to the warp knitting machine body, between the mounting seats. A pressing roller assembly is movably arranged between the mounting bases and located above the limiting roller, a tensioning roller assembly is movably arranged between the mounting bases and located on one side of the pressing roller assembly, and an auxiliary roller is arranged between the mounting bases and located on one side of the tensioning roller assembly. According to the warp knitting machine, the tensioning roller is controlled by the electric telescopic rod to conduct certain height adjustment, so that tensioning of yarn is adjusted to a certain degree, then the yarn is knitted through the warp knitting machine body, and when the yarn is broken in the knitting process of the warp knitting machine body, the yarn is loosened by unscrewing the nut, and the yarn is tensioned through the tensioning roller. The abutting roller moves downwards, the flexible rubber protruding ring of the abutting roller is clamped into the yarn passing groove of the limiting roller, and retraction of the yarn is reduced.
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Description

Technical Field

[0001] The utility model relates to the technical field of warp knitting machines, in particular to a yarn tension device for warp knitting machines which is easy to adjust. Background Art

[0002] A warp knitting machine is a machine used for weaving fabrics. Its main function is to form a knitted fabric by simultaneously looping one or several groups of parallel yarns on all the working needles of the machine fed in the warp direction.

[0003] In the current use of warp knitting machines, the yarn needs to be tensioned to facilitate warp knitting. However, the tensioned yarn is easy to relax during operation, which will lead to warp knitting failure. At the same time, most existing warp knitting machines are equipped with a yarn retraction prevention structure, which makes it easy to retract the yarn when it breaks. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a yarn tension device for a warp knitting machine which is easy to adjust.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A yarn tension device for a warp knitting machine that is easy to adjust comprises a warp knitting machine body, a mounting seat is arranged on one side of the warp knitting machine body, a limiting roller is arranged between the mounting seats in the middle of one side close to the warp knitting machine body, a pressing roller assembly is movably arranged above the limiting roller between the mounting seats, a tensioning roller assembly is movably arranged on one side of the pressing roller assembly between the mounting seats, and an auxiliary roller is arranged on one side of the tensioning roller assembly between the mounting seats.

[0007] In addition, a preferred structure is that the tensioning roller assembly includes two fixed sliders, the two fixed sliders are symmetrically arranged, and a fixed shaft is installed between the two fixed sliders, and the outer wall of the fixed shaft is sleeved with a tensioning roller.

[0008] In addition, a preferred structure is that a slide groove is opened in the mounting seat at the fixed slider, and a limiting slide rod is installed on the top of the fixed slider, and a spring is sleeved on the outer wall of the limiting slide rod, one end of the spring is connected to the fixed slider, and the other end of the spring is connected to the top of the slide groove.

[0009] In addition, a preferred structure is that cavities are opened on both sides of the mounting seat below the slide groove, an electric telescopic rod is arranged in the cavity, the output end of the electric telescopic rod is vertically upward, and a through hole is opened in the mounting seat between the cavity and the slide groove.

[0010] In addition, a preferred structure is that the pressure roller assembly includes two limit sliders, the two limit sliders are symmetrically arranged, and a fixing screw is vertically installed on the top of the limit slider, and one end of the fixing screw passes through the mounting seat and is threaded with a nut.

[0011] In addition, a preferred structure is that a through hole is opened in the mounting seat at the fixed screw, a limiting slide groove is opened in the mounting seat starting at the limiting slider, and a movable through hole is opened in the mounting seat at the limiting slide rod.

[0012] The beneficial effects of the utility model are:

[0013] In the utility model, the height of the tensioning roller is adjusted to a certain extent by controlling the electric telescopic rod, thereby adjusting the tension of the yarn to a certain extent, and then the yarn is weaved by the warp knitting machine body. When the yarn breaks during the weaving process of the warp knitting machine body, the nut is loosened to move the pressure roller downward and the flexible rubber convex ring is clamped in the wiring groove of the limiting roller to reduce the retraction of the yarn. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the structure of a yarn tension device for a warp knitting machine that is easy to adjust, as proposed by the utility model;

[0015] Figure 2 It is a structural schematic diagram of a mounting seat, a tension roller assembly, a pressing roller, a limiting roller, and an auxiliary roller;

[0016] Figure 3 It is a schematic structural diagram of the cross-section of the tensioning roller assembly, the pressure roller, the limiting roller, and the auxiliary roller.

[0017] In the figure: 1. Warp knitting machine body; 2. Mounting seat; 3. Auxiliary roller; 4. Tensioning roller assembly; 41. Fixed slider; 42. Spring; 43. Limiting slide bar; 44. Tensioning roller; 5. Limiting roller; 6. Pressure roller assembly; 61. Limiting slider; 62. Fixed screw; 63. Pressure roller; 7. Electric telescopic rod. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0019] Reference Figure 1-3, a yarn tension device for a warp knitting machine that is easy to adjust, includes a warp knitting machine body 1, a mounting seat 2 is arranged on one side of the warp knitting machine body 1, a limiting roller 5 is arranged between the mounting seats 2 in the middle of one side close to the warp knitting machine body 1, a pressing roller assembly 6 is movably arranged above the limiting roller 5 between the mounting seats 2, a tensioning roller assembly 4 is movably arranged between the mounting seats 2 on one side of the pressing roller assembly 6, and an auxiliary roller 3 is arranged between the mounting seats 2 on one side of the tensioning roller assembly 4. It is worth noting that the specific structure and working mode of the warp knitting machine body 1 are both existing technologies currently disclosed on the market, and do not belong to the main technical problems to be solved in the present technical solution, so they are not elaborated in the present utility model.

[0020] Furthermore, the tensioning roller assembly 4 includes two fixed sliders 41 , which are symmetrically arranged, and a fixed shaft is installed between the two fixed sliders 41 , and a tensioning roller 44 is sleeved on the outer wall of the fixed shaft.

[0021] At the same time, a slide groove is opened in the mounting seat 2 at the fixed slider 41, and a limiting slide rod 43 is installed on the top of the fixed slider 41, and a spring 42 is sleeved on the outer wall of the limiting slide rod 43, one end of the spring 42 is connected to the fixed slider 41, and the other end of the spring 42 is connected to the top of the slide groove.

[0022] At the same time, cavities are opened on both sides of the mounting seat 2 below the slide groove, and an electric telescopic rod 7 is arranged in the cavity. The output end of the electric telescopic rod 7 is vertically upward, and a through hole is opened in the mounting seat 2 between the cavity and the slide groove.

[0023] Furthermore, the pressing roller assembly 6 includes two limiting sliders 61 , which are symmetrically arranged, and a fixing screw 62 is vertically installed on the top of the limiting slider 61 , and one end of the fixing screw 62 passes through the mounting seat 2 and is screwed with a nut.

[0024] In addition, a through hole is opened in the mounting seat 2 at the fixing screw 62 , a limiting sliding groove is opened in the mounting seat 2 starting from the limiting sliding block 61 , and a movable through hole is opened in the mounting seat 2 at the limiting sliding rod 43 .

[0025] At the same time, the outer walls of the tension roller 44 , the limiting roller 5 , and the auxiliary roller 3 are evenly spaced with a plurality of wiring grooves, and the outer wall of the pressure roller 63 is provided with a flexible rubber convex ring at the wiring groove of the limiting roller 5 .

[0026] Furthermore, it is worth mentioning that the height of the auxiliary roller 3 from the top of the mounting seat 2 is less than the height of the limiting roller 5 from the top of the mounting seat 2 .

[0027] In this embodiment, the electric telescopic rod 7 is used to control the tensioning roller to perform a certain height adjustment, thereby adjusting the tension of the yarn to a certain extent, wherein when the electric telescopic rod 7 is controlled to be opened, the output end of the electric telescopic rod 7 drives the tensioning roller to move upward, and when the electric telescopic rod 7 is controlled to be closed, the output end of the electric telescopic rod 7 drives the tensioning roller to move downward, and during the sliding process of the fixed slider 41 of the tensioning roller 44, the spring plays a certain tensioning role, and the limiting slide bar 43 plays a certain guiding role in the sliding process of the fixed slider 41.

[0028] Then, the yarn is weaved by the warp knitting machine body 1. When the yarn breaks during the weaving process, the nut is loosened to move the pressure roller 63 downward and the flexible rubber convex ring is clamped in the wiring groove of the limiting roller 5 to reduce the retraction of the yarn.

[0029] In the utility model, the electric telescopic rod 7 is used to control the tensioning roller to adjust the height to a certain extent, thereby adjusting the tension of the yarn to a certain extent, and then the yarn is woven through the warp knitting machine body 1. When the yarn breaks during the weaving process of the warp knitting machine body, the nut is loosened to move the pressure roller 63 downward and the flexible rubber convex ring is clamped in the wiring groove of the limiting roller 5 to reduce the retraction of the yarn.

[0030] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A yarn tension device for a warp knitting machine that is easy to adjust, comprising a warp knitting machine body (1), characterized in that: A mounting seat (2) is provided on one side of the warp knitting machine body (1); a limiting roller (5) is provided between the mounting seats (2) in the middle of one side close to the warp knitting machine body (1); a pressing roller assembly (6) is movably provided between the mounting seats (2) above the limiting roller (5); a tensioning roller assembly (4) is movably provided between the mounting seats (2) on one side of the pressing roller assembly (6); and an auxiliary roller (3) is provided between the mounting seats (2) on one side of the tensioning roller assembly (4).

2. The easily adjustable yarn tension device for a warp knitting machine according to claim 1, characterized in that: The tension roller assembly (4) comprises two fixed sliders (41), the two fixed sliders are symmetrically arranged, a fixed shaft is installed between the two fixed sliders (41), and the outer wall of the fixed shaft is sleeved with a tension roller (44).

3. The easily adjustable yarn tension device for a warp knitting machine according to claim 1, characterized in that: A slide groove is provided in the mounting seat (2) at the fixed slide block (41), and a limit slide bar (43) is installed on the top of the fixed slide block (41), and a spring (42) is sleeved on the outer wall of the limit slide bar (43), one end of the spring (42) is connected to the fixed slide block (41), and the other end of the spring (42) is connected to the top of the slide groove.

4. The easily adjustable yarn tension device for a warp knitting machine according to claim 1, characterized in that: Cavities are provided on both sides of the mounting seat (2) below the slide groove, an electric telescopic rod (7) is provided in the cavity, the output end of the electric telescopic rod (7) is vertically upward, and a through hole is provided in the mounting seat (2) between the cavity and the slide groove.

5. The easily adjustable yarn tension device for a warp knitting machine according to claim 1, characterized in that: The pressure roller assembly (6) comprises two limiting sliders (61), which are symmetrically arranged, and a fixing screw (62) is vertically installed on the top of the limiting slider (61), and one end of the fixing screw (62) passes through the mounting seat (2) and is screwed with a nut.

6. The easily adjustable yarn tension device for a warp knitting machine according to claim 1, characterized in that: A through hole is provided in the mounting seat (2) at the fixed screw rod (62), a limiting sliding groove is provided in the mounting seat (2) starting from the limiting sliding block (61), and a movable through hole is provided in the mounting seat (2) at the limiting sliding rod (43).