阅读说明：本技术 一种断纱检测装置及织布机 (Broken yarn detection device and loom ) 是由 曹经纬 曾宪华 杨裕兴 李宏军 卢秋炫 于 2021-10-27 设计创作，主要内容包括：本发明公开了一种断纱检测装置及织布机,所述断纱检测装置包括：机架,安装于所述机架上的至少一个喷气嘴和至少一个断纱检测传感器,在断纱时,所述喷气嘴喷出的气体将断纱吹入所述断纱检测传感器所在检测区域。相对于现有技术,本发明可以极大降低挡车工人的工作强度,优化巡检模式,节约大量的人工成本；而且通过设备检测断纱避免了人工检测的误差,可以实现精确及时检测,大大提高了车间布匹的生产质量。(The invention discloses a broken yarn detection device and a loom, wherein the broken yarn detection device comprises: the frame, install in at least one air nozzle and at least one broken yarn detection sensor in the frame, when broken yarn, broken yarn is blown into to air nozzle spun gas the detection area that broken yarn detection sensor is located. Compared with the prior art, the invention can greatly reduce the working strength of car blocking workers, optimize the inspection mode and save a large amount of labor cost; and the broken yarn is detected by the equipment, so that the error of manual detection is avoided, accurate and timely detection can be realized, and the production quality of workshop cloth is greatly improved.)

1. A broken yarn detecting device, characterized in that, broken yarn detecting device includes: the frame, install in at least one air nozzle and at least one broken yarn detection sensor in the frame, when broken yarn, broken yarn is blown into to air nozzle spun gas the detection area that broken yarn detection sensor is located.

2. The broken yarn detection device of claim 1, wherein the at least one air nozzle is movably mounted on the frame, and the reciprocating direction of the air nozzle is consistent with the cloth weft yarn direction.

3. The device for detecting broken yarn according to claim 1, wherein the at least one air nozzle is fixedly mounted on the frame to blow the broken yarn into a detection area where the broken yarn detecting sensor is located.

4. The device for detecting broken yarn according to claim 2, wherein the air nozzle has a movement locus covering warp yarns within a width of the loom.

5. The broken yarn detecting device according to claim 1, wherein the broken yarn detecting sensor is fixedly mounted on the frame or movably mounted on the frame to reciprocate along with the air nozzle.

6. The device according to claim 1, characterized in that it is arranged between the warp beam of the loom and the piece of cloth.

7. A loom characterized in that it comprises a device for detecting broken yarns according to any one of claims 1 to 6.

Technical Field

The invention relates to the technical field of looms, in particular to a broken yarn detection device and a loom.

Background

At present, in the technical field of chemical fiber weaving, whether warp yarn breakage exists in the weaving process of a loom or not is mainly identified by means of manual inspection of a worker blocking a loom, the working environment of the worker is severe, the working efficiency is low, once broken warp yarns are not found for a long time, a large amount of defective cloth is generated, and the effective capacity of a factory is reduced. Although the drop wires are used for detecting broken warp in the cotton yarn field, the drop wire detection method needs to enable each warp yarn to additionally penetrate through one drop wire, so that a lot of extra work is added to the previous drafting, the upper machine and the lower machine of a loom and other links, the process is more complex, time and labor are wasted, and the production efficiency is low.

Disclosure of Invention

The invention mainly aims to provide a broken yarn detection device and a loom, aiming at greatly reducing the working strength of car blocking workers, optimizing a routing inspection mode, saving a large amount of labor cost, improving the accuracy and timeliness of broken yarn detection and improving the production quality of workshop cloth.

In order to achieve the above object, the present invention provides a broken yarn detecting device, comprising: the frame, install in at least one air nozzle and at least one broken yarn detection sensor in the frame, when broken yarn, broken yarn is blown into to air nozzle spun gas the detection area that broken yarn detection sensor is located.

The invention further adopts the technical scheme that the at least one air nozzle is movably arranged on the frame, and the reciprocating direction of the air nozzle is consistent with the weft yarn direction of the cloth.

According to a further technical scheme, the at least one air nozzle is fixedly arranged on the rack and blows broken yarns into a detection area where the broken yarn detection sensor is located.

The invention further adopts the technical scheme that the movement track of the air nozzle covers the warp in the wide width of the loom.

The invention further adopts the technical scheme that the broken yarn detection sensor can be fixedly arranged on the frame or movably arranged on the frame to reciprocate along with the air nozzle.

The invention further adopts the technical scheme that the broken yarn detection device is arranged between a warp beam and cloth of the loom.

In order to achieve the above object, the present invention further provides a loom including the broken yarn detecting device according to the above embodiment, which is not described herein again.

The broken yarn detection device and the loom have the advantages that: through the technical scheme, the invention comprises the following steps: the yarn breaking detection device comprises a rack, at least one air nozzle and at least one broken yarn detection sensor which are arranged on the rack, wherein when yarn is broken, broken yarn is blown into a detection area where the broken yarn detection sensor is located by gas sprayed by the air nozzle, and under the condition that the existing process flow is not changed, the broken yarn generated in the weaving process can be directly detected and identified, so that the machine can be alarmed and shut down in time, the problem of industrial pain points which are difficult to detect due to broken yarn is solved, a vehicle stop worker does not need to stay in a weaving workshop with severe work all the time, only the problem needs to be treated when alarming is carried out, the working strength of the vehicle stop worker can be greatly reduced, the inspection mode is optimized, and a large amount of labor cost is saved; and the broken yarn is detected by the equipment, so that the error of manual detection is avoided, accurate and timely detection can be realized, and the production quality of workshop cloth is greatly improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a side view of the broken yarn detecting device of the present invention;

FIG. 2 is a perspective view of the broken yarn detecting device of the present invention.

The reference numbers illustrate:

a frame 1; an air nozzle 2; a broken yarn detection sensor 3; warp 4; 5, yarn breakage; cloth 6; a harness wire 7; a reed 8; and (3) gas 9.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1 and 2, the invention provides a broken yarn detection device, under the condition that the existing process flow is not changed, the broken yarn detection device is arranged on a loom, the broken yarn 5 generated in the weaving process can be directly detected and identified, the machine is alarmed to shut down in time, the problem of industrial pain points which are difficult to detect due to the broken yarn 5 is solved, a vehicle stop worker does not need to stay in a weaving workshop with severe work all the time, only the problem needs to be treated during alarming, the working strength of the vehicle stop worker can be greatly reduced, the inspection mode is optimized, and a large amount of labor cost is saved; and the invention can avoid the error of manual detection by detecting the broken yarn 5, and can realize accurate and timely detection, thereby greatly improving the production quality of the workshop cloth 6.

Specifically, as shown in fig. 1 and 2, the preferred embodiment of the broken yarn detecting device of the present invention comprises: the machine frame 1, at least one air nozzle 2 and at least one broken yarn detection sensor 3 which are arranged on the machine frame 1, when the warp 4 is broken, the broken yarn 5 is blown into a detection area where the broken yarn detection sensor 3 is located by the gas 9 sprayed by the air nozzle 2.

In this embodiment, at least one broken yarn detecting sensor 3 has a certain detecting area, and the broken yarn detecting sensor 3 can detect whether a broken yarn 5 exists in the detecting area, and send out a signal to control the loom to alarm and stop.

As an embodiment, at least one air nozzle 2 may be movably mounted on the frame 1, the reciprocating direction of the air nozzle 2 is the same as the cloth weft direction, and the movement track of the air nozzle 2 covers the warp 4 in the width of the loom.

As another embodiment, at least one air nozzle 2 may be provided as a fixed air injection device having a whole length, and may be fixedly installed on the frame 1 to inject air directly and simultaneously over the entire length in the weft direction, thereby blowing the broken yarn 5 into the detection area where the broken yarn detection sensor 3 is located.

At least one air nozzle 2 can move back and forth in the weft yarn direction and upwards spray high-pressure high-speed gas 9 in the movement process of the loom, once the warp yarn 4 is broken in the weaving process, the broken warp yarn 4 can be blown upwards by the high-pressure high-speed gas 9 sprayed by the air nozzle 2 due to the loss of tension, the warp yarn 4 can enter a detection area of a yarn sensor, the warp yarn 4 can be detected by the broken yarn detection sensor 3 and identified as a broken yarn 5, and the device can control the loom to alarm and stop.

In this embodiment, the yarn breakage detecting sensor 3 may be fixedly mounted on the frame 1, for example, at two ends of the frame 1, or may be movably mounted on the frame 1 to reciprocate along with the air nozzle 2, as long as the detecting area of the yarn breakage detecting sensor 3 can detect whether the yarn breakage 5 blown up by the air nozzle 2 exists, which is not limited in the present invention.

When assembling the yarn breakage detecting device of the present embodiment, the yarn breakage detecting device may be provided between the warp beam of the loom and the cloth 6.

Preferably, in this embodiment, a heddle 7 is provided between the warp beam and the cloth 6 of the loom, the broken yarn detecting device is mounted on the loom at a position close to the warp beam between the warp beam and the heddle 7, and the warp yarn 4 passes through the heddle 7.

In this embodiment, the cloth 6 is connected to the cloth winding mechanism, and the warp beam and the cloth winding mechanism move in coordination, so that the warp yarn maintains tension.

The warp 4 passes through the palm holes of the heddles 7 and is pulled by the heddles 7 to move up and down in a reciprocating mode, and the warp is rubbed at the palm holes, so that the warp 4 is easily broken at the palm holes of the heddles 7. In order to make the warps produce clear openings at the reed 8 to facilitate the passing of wefts, the left warp beam and the right cloth winding mechanism shown in fig. 1 move in coordination to keep the warps 4 in between at a certain tension all the time, so that the warps 4 are in a stretched state at the left side of the harness 7 in the normal operation process, the warps 4 do not enter the detection area of the broken yarn detection sensor 3 (the rectangular frame where the broken yarn detection sensor 3 shown in fig. 1 is located), and after the warps 4 are detected to be broken at the palm holes, the broken yarns 5 rebound to the warp beam side under the action of tension, once the air nozzle 2 moves below the broken warps, the broken yarns 5 losing tension are blown upwards by the high-pressure high-speed air flow sprayed from the air nozzle 2 to enter the detection area of the broken yarn detection sensor 3, and the blown broken yarns 5 are detected by the broken yarn detection sensor 3 and identified as broken yarns 5 in fig. 1, at the moment, the device of the invention controls the loom to alarm and stop.

In this embodiment, the broken yarn detection device further includes an alarm connected to the broken yarn detection sensor 3, and when the broken yarn detection sensor 3 detects a broken yarn 5, the alarm gives an alarm and controls the loom to stop.

It should be noted that the broken yarn detection device of the present invention can be directly installed in the existing loom system without additional influence on the previous and subsequent links of the loom, greatly reducing the difficulty of upgrading and modifying the textile factory, having no influence on the production process flow of the factory, and solving the problem of difficult detection of broken warp.

The broken yarn detection device has the beneficial effects that: through the technical scheme, the invention comprises the following steps: the yarn breaking detection device comprises a rack, at least one air nozzle and at least one broken yarn detection sensor which are arranged on the rack, wherein when yarn is broken, broken yarn is blown into a detection area where the broken yarn detection sensor is located by gas sprayed by the air nozzle, and under the condition that the existing process flow is not changed, the broken yarn generated in the weaving process can be directly detected and identified, so that the machine can be alarmed and shut down in time, the problem of industrial pain points which are difficult to detect due to broken yarn is solved, a vehicle stop worker does not need to stay in a weaving workshop with severe work all the time, only the problem needs to be treated when alarming is carried out, the working strength of the vehicle stop worker can be greatly reduced, the inspection mode is optimized, and a large amount of labor cost is saved; and the broken yarn is detected by the equipment, so that the error of manual detection is avoided, accurate and timely detection can be realized, and the production quality of workshop cloth is greatly improved.

In order to achieve the above object, the present invention further provides a loom, which includes the broken yarn detecting device according to the above embodiment, and the structure and the operation principle of the broken yarn detecting device have been described in detail above, and are not described in detail herein.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.