A yarn breakage detection device

Abstract

The utility model belongs to the technical field of textile equipment, concretely relates to a broken yarn detection device. The utility model discloses a vertical plate is set up with a plurality of through -holes on it, and the lower edge of through -hole is equipped with the bending plate, a plurality of guide wheel assemblies are set up on the bending plate one by one, a plurality of warning assemblies are respectively set up on the vertical plate, and are located one by one on the side of through -hole, and the guide wheel assembly abuts on the trigger switch in the warning assembly under the condition of no external force. The utility model is used to solve the quality hidden danger of the mode of manual visual detection of broken yarn in the existing warping process.

Description

Technical Field

[0001] This utility model belongs to the field of textile equipment technology, and specifically relates to a yarn breakage detection device. Background Technology

[0002] In the textile industry, the warp yarns on the warp beam of a loom need to be straightened before use. This involves smoothing the yarns on multiple yarn bobbins and winding them onto the warp beam before they can be fed into the loom for normal weaving.

[0003] Currently, the warping methods in the textile industry are basically the same: numerous yarn bobbins are installed on a yarn rack, and then the yarn on the numerous yarn bobbins is released, passing through small holes in the yarn threading plate, and then wound onto the warp beam of the warping equipment.

[0004] When yarn breaks occur on the yarn bobbin, they can only be detected by visual inspection, with the broken yarn hanging off the warp beam. This method of detecting broken yarn requires inspectors to concentrate on observing numerous yarns during the warping process. If the inspector is negligent, the broken yarn can be caught in the warp beam, causing defects such as broken yarn ends in the subsequent weaving, thus affecting the quality of the fabric. Utility Model Content

[0005] This invention provides a yarn breakage detection device to solve the technical problem of potential quality hazards in the existing method of manually visually detecting yarn breakage during the warping process. This utility model includes: a vertical plate having a plurality of through holes thereon, and a bent plate being provided at the lower edge of the through holes; Several guide wheel assemblies are installed one-to-one on the bending plate; Several warning components are respectively installed on the upright plate, and are located on one side of the through hole in a corresponding manner; The guide wheel assembly abuts against the trigger switch inside the warning assembly without external force.

[0006] This invention winds the yarn around the guide wheel assembly. Under the continuous external force of the yarn, the guide wheel assembly moves away from the warning component. Once the yarn breaks, the guide wheel assembly will come into contact with the warning component without external force, and issue a warning. This can remind the inspection personnel to detect the yarn breakage in time and prevent the broken yarn from getting caught in the warp beam.

[0007] Further: the guide wheel assembly includes: The bracket, the lower end of which is hinged to the bending plate; A guide wheel, which is tractably mounted on the upper end of the bracket, is provided with an annular groove; An elastic element connects the bracket and the bending plate, and the bracket tilts towards the side of the upright plate. The pressure plate, located on the bracket and corresponding to the position of the trigger switch, has the following advantages: the elastic element, without external force, will cause the bracket to rotate towards the side closer to the upright plate, so that the pressure plate on the side of the bracket will be in contact with the warning component. The guide wheel on the bracket is to limit the movement direction of the yarn and prevent it from deviating.

[0008] Furthermore: at least two annular grooves are arranged in parallel on the guide wheel. The beneficial effect of this step is that in order to drive the guide wheel, the yarn must be wound around the guide wheel at least once. In order to prevent the yarn segments entering the guide wheel and leaving the guide wheel from rubbing against each other, the two annular grooves separate them.

[0009] Furthermore: the elastic element is a torsion spring or a compression spring, and the beneficial effect of this step is that the elastic force of the torsion spring or compression spring is used to drive the bracket to rotate.

[0010] Furthermore, the warning component also includes LED beads, which are electrically connected to the output terminal of the trigger switch, and the input terminal of the trigger switch is electrically connected to the power supply. The beneficial effect of this step is that when the trigger switch is triggered, the LED beads are lit, which indicates that the yarn at the corresponding position is broken, which can improve the recognition and allow the inspectors to intuitively find the specific yarn breakage location.

[0011] Furthermore, the trigger switch is a micro switch, which has the following advantages: the micro switch has a short working stroke and high trigger sensitivity.

[0012] Furthermore, each of the warning components also includes a bypass signal line, and several bypass signal lines are connected in parallel. The beneficial effect of this step is that the parallel bypass signal lines can provide an electrical signal. When the electrical signal is connected to the controller, the controller can shut down the drive motor of the warp beam, stop the machine in time, and facilitate the reconnection of broken yarn.

[0013] The beneficial effects of this utility model are: This application utilizes the friction of the yarn itself winding around the guide wheel assembly during feeding to cause the guide wheel assembly to tilt away from the upright plate. When the yarn is cut, the friction disappears, and the guide wheel assembly moves toward the warning component and triggers it, which can emit an intuitive and corresponding warning signal. This allows the inspection personnel to intuitively, quickly and accurately discover the yarn breakage and its location, and prevent the broken yarn from getting tangled in the warp beam, affecting the quality of subsequent weaving. Attached Figure Description

[0014] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0015] Figure 1 This is a schematic diagram of the structure of a yarn breakage detection device provided by this utility model; Figure 2 A partial structural schematic diagram of a yarn breakage detection device provided by this utility model; Figure 3 for Figure 2 Side view.

[0016] Figure label: 1-Upright board; 2-Guide wheel assembly; 3-Warning assembly; 4-Yarn; 11-Through hole; 12-Bent plate; 21-Bracket; 22-Guide wheel; 23-Elastic element; 24-Pressure plate; 31-Trigger switch; 32-LED lamp bead; 33-Wire; 221-Annular groove. Detailed Implementation

[0017] The embodiments of the present invention will now be described in detail with reference to the accompanying drawings. These embodiments are merely illustrative of the present invention and should not be construed as limiting the scope of protection of the present invention. It should be noted that, unless otherwise stated, the technical or scientific terms used in this application shall have the ordinary meaning as understood by one of ordinary skill in the art to which this utility model pertains.

[0018] In the description of this application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0019] Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly defined.

[0020] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0021] In this application, unless otherwise expressly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0022] Implementation of this application, for example Figures 1-3 As shown, this application provides a yarn breakage detection device.

[0023] This application includes: a vertical plate 1, which has a plurality of through holes 11, and a bending plate 12 is provided at the lower edge of the through holes 11; the vertical plate 1 is erected between the yarn frame and the warping machine, the yarn 4 passes through the through holes 11 and is wound on the guide wheel assembly 2, and the bending plate 12 is formed by bending the through holes 11 after the three sides of the through holes 11 are punched and blanked. Several guide wheel assemblies 2 are respectively installed on the bending plate 12; Several warning components 3 are respectively installed on the upright plate 1, and are located on one side of the through hole 11 in a corresponding manner; The guide wheel assembly 2 abuts against the trigger switch 31 inside the warning assembly 3 without external force.

[0024] This application involves winding yarn 4 around guide wheel assembly 2 (to ensure friction between yarn 4 and guide wheel assembly 2, yarn 4 must be wound at least once). Under the continuous external force (friction with guide wheel assembly 2 and traction after winding) from yarn 4, guide wheel assembly 2 is moved away from warning assembly 3. Once yarn 4 breaks, guide wheel assembly 2 will come into contact with warning assembly 3 without external force, issuing a warning to remind inspectors to detect yarn breakage in time and prevent the broken yarn from getting caught in the warp beam.

[0025] Based on the above technical solution, the guide wheel assembly 2 includes: The bracket 21 is hinged at its lower end to the bending plate 12; The guide wheel 22 is transmissively mounted on the upper end of the bracket 21, and the guide wheel 22 is provided with an annular groove 221; The elastic element 23 connects the bracket 21 and the bending plate 12, and makes the tilting direction of the bracket 21 face the side of the upright plate 1; The pressure plate 24 is located on the bracket 21 and corresponds to the position of the trigger switch 31. Without the action of external force, the elastic element 23 will drive the bracket 21 to rotate towards the side closer to the upright plate 1, so that the pressure plate 24 on the side of the bracket 21 will be in contact with the warning component 3. The guide wheel 22 on the bracket 21 is used to limit the movement direction of the yarn 4, prevent it from deviating, and constrain it in the annular groove 221.

[0026] Based on the above technical solution, at least two annular grooves 221 are arranged in parallel on the guide wheel 22. In order to drive the guide wheel 22, the yarn 4 must be wound around the guide wheel 22 at least once. In order to prevent the yarn segments entering the guide wheel 22 and the yarn segments leaving the guide wheel 22 from rubbing against each other, they are separated by the two annular grooves 221.

[0027] Based on the above technical solution, the elastic element 23 is a torsion spring or a compression spring, and the elastic force of the torsion spring or compression spring is used to drive the bracket 21 to rotate.

[0028] Based on the above technical solution, the warning component 3 also includes an LED bead 32. The LED bead 32 is electrically connected to the output terminal of the trigger switch 31 via a wire 33. The input terminal of the trigger switch is electrically connected to a power supply. The power supply can be an independent power supply connected in series with each warning component 3, or a shared power supply connected in parallel with several warning components 3. When the trigger switch 31 is triggered, the LED bead 32 is lit, indicating that the yarn 4 at the corresponding position is broken. This improves the visibility and allows inspectors to intuitively find the specific location of the broken yarn.

[0029] Based on the above technical solution, the trigger switch 31 is a micro switch, which has a short working stroke and high trigger sensitivity.

[0030] Based on the above technical solution, each warning component 3 also includes a bypass signal line, and several bypass signal lines are connected in parallel. The parallel bypass signal lines can provide an electrical signal (any warning component 3 can provide an electrical signal when it is triggered). When the electrical signal is connected to the controller, the controller can shut down the drive motor of the warp beam, stop the machine in time, and facilitate the reconnection of broken yarn.

[0031] Numerous specific details are set forth in this specification. However, it will be understood that embodiments of this invention may be practiced without these specific details. In some instances, well-known methods, structures, and techniques have not been shown in detail so as not to obscure the understanding of this specification. In the description of this specification, references to the terms "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of this invention. In this specification, illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Furthermore, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of the different embodiments or examples.

[0032] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and not to limit it. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model, and they should all be covered within the scope of the claims and specification of this utility model.

Claims

1. A yarn breakage detection device, characterized in that, include: A vertical plate with several through holes, the lower edge of which is provided with a bent plate; Several guide wheel assemblies are installed one-to-one on the bending plate; Several warning components are respectively installed on the upright plate, and are located on one side of the through hole in a corresponding manner; The guide wheel assembly abuts against the trigger switch inside the warning assembly without external force.

2. The yarn breakage detection device according to claim 1, characterized in that, The guide wheel assembly includes: The bracket, the lower end of which is hinged to the bending plate; A guide wheel, which is tractably mounted on the upper end of the bracket, is provided with an annular groove; An elastic element connects the bracket and the bending plate, and the bracket tilts towards the side of the upright plate. A pressure plate is mounted on the bracket and corresponds to the position of the trigger switch.

3. The yarn breakage detection device according to claim 2, characterized in that, At least two annular grooves are arranged in parallel on the guide wheel.

4. The yarn breakage detection device according to claim 2, characterized in that, The elastic element is a torsion spring or a compression spring.

5. The yarn breakage detection device according to claim 1, characterized in that, The warning component also includes LED beads, which are electrically connected to the output terminal of the trigger switch, and the input terminal of the trigger switch is electrically connected to the power supply.

6. The yarn breakage detection device according to claim 1 or 5, characterized in that, The trigger switch is a micro switch.

7. The yarn breakage detection device according to claim 5, characterized in that, Each of the warning components also includes a bypass signal line, and several of the bypass signal lines are connected in parallel.

Images