Safety device and safety method for replacement of stable tension spring of loom

Abstract

The invention provides a safety device and a safety method for replacement of a stable tension spring of a loom, and relates to the technical field of weaving rotating speed control, the safety device comprises a first connecting structure, a second connecting structure and a third connecting structure, the second connecting structure is arranged on the loom arm; and the connecting piece is detachably connected with the first connecting structure and the second connecting structure. When the stable tension spring of the loom is replaced, after warp tension is released, the first connecting structure and the second connecting structure are connected through the connecting piece, so that the tension swing arm is fixed to the loom arm, the warp tension can be stabilized when the tension spring is replaced, the warp-direction quality of a cloth cover is improved, and damage to a tension roller is reduced; after the stable tension spring of the loom is replaced, the connecting piece is disassembled, and the stable tension spring can continue to work.

Description

Technical Field

[0001] The invention relates to the technical field of weaving speed control, and in particular to a safety device and a safety method for replacing a stable tension spring of a loom. Background Art

[0002] With the increasing popularity and promotion of smart phones, 5G low-cost electricity and tablet computers, glass fiber electronic cloth, as one of the main upstream raw materials of PCB, is becoming thinner and ultra-thin, and the quality requirements for glass fiber electronic thin cloth are getting higher and higher. At present, glass fiber electronic thin cloth is more and more widely used in the market, and customers' quality requirements are also getting higher and higher.

[0003] In the weaving process of electronic-grade glass fiber cloth, due to customer demand for the production of various cloth types and specifications, the weaving speed needs to be increased or decreased according to the appearance quality requirements of high-end and low-end product cloth types. After the speed is increased, the warp yarn is lifted and lowered by the heald frame belt to form the cloth opening, and tension difference will be generated during opening and closing, so the tension roller is passively corrected by the stabilizing spring buffer. (The follow-up ability of the tension roller depends on the effective number of turns of the buffer stabilizing spring and the diameter of the steel wire). At present, the stabilizing spring steel wire with a diameter of 7mm is used for the speed increase of the loom above 750 rpm (inclusive), and the stabilizing spring steel wire with a diameter of 6mm is used for the speed below 750 rpm (inclusive) to correct the tension difference brought by the tension roller.

[0004] In the prior art, the loom speed increase and decrease requires the replacement of the loom steady tension spring, and the warp tension needs to be relaxed and the steady tension spring removed during the replacement. Since the steady tension spring is removed, the tension swing arm is no longer fixedly connected, and the tension roller has to lean on the loom arm, which is easy to damage the roller appearance and affect the smoothness. In addition, the warp yarn is in a relaxed state, and the warp yarns are twisted with each other. After the machine is turned on, the yarn sequence will have twisted yarns, affecting the warp quality.

[0005] In the existing patent technology, for example, the Chinese patent CN218175267U authorized and announced on December 30, 2022, discloses the structure of the tension spring, the tension swing arm, and the tension roller. However, it is also impossible to stabilize the tension roller after removing the stabilizing tension spring.

[0006] Therefore, it is necessary to replace the stable tension spring of the loom to avoid the different impact forces of the tension rollers affecting the quality of the cloth. Summary of the invention

[0007] The object of the present invention is to provide a safety device and a safety method for replacing a stable tension spring of a loom, which can prevent the impact force of the tension roller from affecting the quality of the cloth surface during the replacement of the stable tension spring of the loom;

[0008] The present invention provides a safety device for replacing a stable tension spring of a loom, comprising: a first connecting structure, which is arranged on a tension swing arm; a second connecting structure, which is arranged on an arm of the loom; and a connecting member, which detachably connects the first connecting structure and the second connecting structure.

[0009] Further, the first connecting structure includes a first pin hole.

[0010] Furthermore, the number of the first pin holes is multiple.

[0011] Furthermore, a plurality of the first pin holes are arranged at intervals.

[0012] Further, the second connection structure includes a second pin hole.

[0013] Furthermore, the connecting member includes a latch.

[0014] Further, the plug pin passes through the first pin hole and is inserted into the second pin hole.

[0015] Furthermore, the first pin hole and the second pin hole are aligned in position and have the same axis.

[0016] Further, the alignment position of the first pin hole and the second pin hole is the position of the tension swing arm relative to the loom arm before the warp tension of the loom is relaxed.

[0017] The present invention also provides a safety method for replacing a safety device for a steady tension spring of a loom. When replacing the steady tension spring of the loom, after relaxing the warp tension, first insert the pin through the first pin hole into the second pin hole to fix the tension swing arm on the loom arm; after replacing the steady tension spring of the loom, remove the pin.

[0018] In the technical solution of the present invention, when replacing the stable tension spring of the loom, after relaxing the warp tension, the first connecting structure and the second connecting structure are connected by a connecting piece, so that the tension swing arm is fixed on the loom arm, thereby stabilizing the warp tension when replacing the tension spring, improving the warp quality of the cloth surface, and reducing the damage to the tension roller; after replacing the stable tension spring of the loom, the connecting piece is disassembled and the stable tension spring can continue to be used for work. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the specific implementation methods of the present invention or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 is a schematic diagram of the present invention when the latch pin is not inserted into the first pin hole and the second pin hole;

[0021] Description of reference numerals:

[0022] 1-first pin hole; 2-latch pin; 3-loom arm; 4-tension swing arm; 5-steady tension spring. DETAILED DESCRIPTION

[0023] The technical solution of the present invention will be clearly and completely described below in conjunction with the embodiments. Obviously, the described embodiments are part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0024] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0025] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, "multiple" means two or more, unless otherwise clearly and specifically defined. In addition, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal connection of two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] Example 1

[0027] like Figure 1As shown, the present invention provides a safety device for replacing a stable tension spring of a loom, comprising: a first pin hole 1, which is opened on a tension swing arm 4; a second pin hole, which is opened on a loom arm 3; and a safety pin 2, which passes through the first pin hole 1 and is inserted into the second pin hole.

[0028] Specifically, when replacing the loom's steady tension spring 5, the personnel relax the warp tension and then insert the safety pin 2, so that the safety pin 2 replaces the tension spring to fix the warp yarn so that it will not loosen; this improves the risk of damaging the roller's appearance and avoids the abnormality of the twisted yarn and broken yarn caused by relaxing the warp yarn, which affects the quality of the cloth; improves the operating method during speed increase and speed decrease, stabilizes the warp yarn sequence, and thus improves the quality of the cloth.

[0029] Example 2

[0030] There are multiple first pin holes 1. Multiple first pin holes 1 are arranged at intervals. The first pin hole 1 is aligned with the second pin hole, and the axis is the same. The alignment position of the first pin hole 1 and the second pin hole is the position of the tension swing arm 4 relative to the loom arm 3 before the warp tension of the loom is relaxed.

[0031] Specifically, by inserting the two safety pins 2 into the two first pin holes 1 and the two second pin holes, the stability of the tension swing arm 4 can be improved, for example, when one of the pins 2 falls off, the other can still work. Before the warp tension of the loom is relaxed, a hole 11 cm is drilled at the same level as the tension swing arm 4 on the left side of the loom, and a round pin 2 with a diameter of 10 cm is inserted.

[0032] Example 3

[0033] The present invention also provides a safety method for replacing a safety device for a loom steady tension spring 5. When replacing the loom steady tension spring 5, after relaxing the warp tension, first insert the pin 2 through the first pin hole 1 into the second pin hole to fix the tension swing arm 4 on the loom arm 3; after replacing the loom steady tension spring 5, remove the pin 2.

[0034] Specifically, the present invention replaces the stable tension spring 5 of the loom with a safety pin 2: before the warp tension of the loom is relaxed, a hole is drilled on the left side of the loom at the same level as the tension swing arm 4, and a round safety pin 2 with a diameter of 10 cm is inserted. After the warp tension is relaxed, the safety pin 2 replaces the tension spring to fix the warp and prevent it from loosening; the risk of damaging the appearance of the roller is improved and the yarn breakage caused by the twisted yarn is avoided, which affects the quality of the cloth.

[0035] The working mode and principle of the present invention can be found in the content of Example 3.

[0036] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A safety device for replacing a stable tension spring of a loom, characterized in that: include: a first connecting structure, wherein the first connecting structure is arranged on the tension swing arm; a second connecting structure, the second connecting structure being arranged on the loom arm; A connecting member is used to detachably connect the first connecting structure and the second connecting structure.

2. The stable tension spring replacement safety device for a loom according to claim 1, characterized in that: The first connection structure includes a first pin hole.

3. The stable tension spring replacement safety device for a loom according to claim 2, characterized in that: The number of the first pin holes is plural.

4. The stable tension spring replacement safety device for a loom according to claim 3, characterized in that: The plurality of first pin holes are arranged at intervals.

5. The stable tension spring replacement safety device for a loom according to claim 2, characterized in that: The second connection structure includes a second pin hole.

6. The stable tension spring replacement safety device for a loom according to claim 5, characterized in that: The connecting member includes a latch.

7. The stable tension spring replacement safety device for a loom according to claim 6, characterized in that: The plug pin passes through the first pin hole and is inserted into the second pin hole.

8. The stable tension spring replacement safety device for a loom according to claim 5, characterized in that: The first pin hole and the second pin hole are aligned in position and have the same axis.

9. The stable tension spring replacement safety device for a loom according to claim 8, characterized in that: The alignment position of the first pin hole and the second pin hole is the position of the tension swing arm relative to the loom arm before the warp tension of the loom is relaxed.

10. The insurance method for replacing the insurance device of the steady tension spring of a loom according to claim 6, characterized in that: When replacing the steady tension spring of the loom, after relaxing the warp tension, first insert the pin through the first pin hole into the second pin hole to fix the tension swing arm on the loom arm; after replacing the steady tension spring of the loom, remove the pin.

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