Broken yarn detection device of warp knitting machine
The yarn detection device addresses the challenge of securely grasping broken yarn ends by using adjustable clamping mechanisms and sensors to facilitate rapid reconnection, enhancing the efficiency of yarn repair on knitting machines.
Patent Information
- Application Number
- CN202422389712.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-29
- Publication Date
- 2025-07-15
- Estimated Expiration
- 2034-09-29
AI Technical Summary
The existing yarn break detection device cannot effectively fix the broken thread head of the yarn, which leads to inconvenience in finding the thread head after the yarn is broken, affecting wiring efficiency.
A yarn break detection device including a mounting plate, support legs, controller, bidirectional threaded rod, clamping assembly and winding assembly is designed. By adjusting the spacing of clamping assembly and winding assembly structure, the thread head after the yarn is broken is clamped, and automatic fixation is achieved through sensors and controllers.
It realizes rapid fixation of the thread head after yarn breaks, reduces rebound and fall speed, simplifies the wiring process, and improves work efficiency.
Smart Images

Figure CN223103202U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of broken yarn detection, in particular to a broken yarn detection device for a warp knitting machine. Background Technique
[0002] When a warp knitting machine is used in the fields of knitting and weaving with yarns, a broken yarn detection device is required to detect the state of the yarn in real time. Once a broken yarn is found, an alarm signal will be sent or the machine will be controlled to stop to prevent further damage.
[0003] The current broken yarn detection device can well monitor the yarn in real time through the set broken yarn sensor, but it cannot fix the yarn end after the yarn is broken. Once the yarn breaks, the straightened yarn will bounce and fall to both sides after breaking, and it is more inconvenient to find the broken yarn end when reconnecting the yarn. Content of the Utility Model
[0004] The purpose of the utility model is to provide a broken yarn detection device for a warp knitting machine to solve the problems raised in the above background technique.
[0005] To achieve the above purpose, the utility model provides the following technical solution: A broken yarn detection device for a warp knitting machine, including: a mounting plate, support legs fixed at both ends of the outer walls on both sides of the mounting plate, and fixing holes opened at both ends of the outer wall at the bottom of the support legs. It further includes: a controller installed on one outer wall of the mounting plate, a chute is opened on the top outer wall of the mounting plate, and a bidirectional threaded rod is rotatably installed on one outer wall of the mounting plate. One end of the bidirectional threaded rod is installed with a cross bar, and a fixed seat is installed on the top outer wall of the mounting plate. A broken yarn sensor is installed on the top outer wall of the fixed seat, and moving components are screwed at both ends of the bidirectional threaded rod. Winding components are installed on both moving components, and clamping components are installed on both moving components.
[0006] The moving component includes a slider, a threaded through hole opened on one outer wall of the slider, and a moving plate fixed on the top of the slider.
[0007] The winding component includes a vertical plate and a plurality of wire rollers rotatably installed on one outer wall of the vertical plate at equal intervals.
[0008] The clamping component includes an electric gripper and a toothed plate installed on the opposite outer walls of the two clamping parts of the electric gripper.
[0009] The thread directions at both ends of the bidirectional threaded rod are opposite.
[0010] The heights of two adjacent wire rollers are different from each other.
[0011] Compared with the prior art, the beneficial effects of the utility model are:
[0012] A yarn breakage detection device for a warp knitting machine of the present utility model can be installed between a yarn roller and a textile machine. According to the distance between the yarn roller and the textile machine, the distance between two wire clamping components can be adjusted by rotating a bidirectional threaded rod, which is convenient for clamping two broken yarn ends when the yarn breaks. The yarn is monitored in real time by a yarn breakage sensor. When the yarn breaks, the taut yarn will rebound and fall to both sides after breaking. The yarn breakage sensor transmits a signal to the controller, and the controller can control the two wire clamping components to quickly clamp and fix the two yarn ends after the yarn breaks, which is convenient for subsequent workers to directly pick up the yarn ends for reconnection. The provided wire winding component can reduce the rebound speed and falling speed of the yarn after breaking, which is convenient for the wire clamping component to clamp the yarn ends. Description of the Drawings
[0013] Figure 1 is the external view structure diagram of the present utility model;
[0014] Figure 2 is the sectional view structure diagram of the present utility model;
[0015] Figure 3 is the structure diagram of the moving component, wire winding component and wire clamping component of the present utility model.
[0016] In the figure: 1, mounting plate; 2, support leg; 3, fixing hole; 4, controller; 5, chute; 6, bidirectional threaded rod; 7, cross bar; 8, fixed seat; 9, yarn breakage sensor; 10, moving component; 1001, slider; 1002, threaded through hole; 1003, moving plate; 11, wire winding component; 1101, vertical plate; 1102, wire roller; 12, wire clamping component; 1201, electric claw; 1202, toothed plate; 13, yarn. Detailed Embodiment
[0017] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.
[0018] Please refer to Figures 1-3, A warp knitting machine yarn breakage detection device provided by the present utility model includes: a mounting plate 1, support legs 2 fixed to both ends of the outer walls on both sides of the mounting plate 1, and fixing holes 3 opened at both ends of the outer wall at the bottom of the support legs 2. It further includes: a controller 4 installed on one outer wall of the mounting plate 1, a chute 5 opened on the top outer wall of the mounting plate 1, and a bidirectional threaded rod 6 rotatably installed on one outer wall of the mounting plate 1. One end of the bidirectional threaded rod 6 is installed with a cross bar 7, and a fixing seat 8 is installed on the top outer wall of the mounting plate 1. A yarn breakage sensor 9 is installed on the top outer wall of the fixing seat 8, and moving components 10 are screwed to both ends of the bidirectional threaded rod 6. Winding components 11 are installed on both moving components 10, and clamping components 12 are installed on both moving components 10.
[0019] It should be noted here that: the device can be installed between the yarn roller and the textile machinery. According to the distance between the yarn roller and the textile machinery, the bidirectional threaded rod 6 can be rotated to adjust the distance between the two moving components 10, and then the distance between the two clamping components 12 can be adjusted, which is convenient for clamping the two broken yarn ends when the yarn 13 breaks. The yarn 13 can pass through the two clamping components 12, the two winding components 11 and the yarn breakage sensor 9 in sequence. The yarn breakage sensor 9 monitors the yarn 13 in real time. When the yarn 13 breaks, the taut yarn 13 will rebound and fall to both sides after breaking. The yarn breakage sensor 9 transmits the signal to the controller 4, and the controller 4 can control the two clamping components 12 to quickly clamp and fix the two yarn ends after the yarn 13 breaks, which is convenient for the subsequent staff to directly pick up the yarn ends for re-wiring. By setting the winding components 11, the rebound speed and falling speed of the yarn 13 after breaking can be reduced, which is convenient for the clamping components 12 to clamp the yarn ends.
[0020] In a preferred embodiment, the moving component 10 includes a slider 1001, a threaded through hole 1002 opened on one outer wall of the slider 1001, and a moving plate 1003 fixed to the top of the slider 1001.
[0021] It should be noted here that: when the bidirectional threaded rod 6 rotates, it can drive the slider 1001 to move, and then drive the moving plate 1003 to move.
[0022] In a preferred embodiment, the winding component 11 includes a vertical plate 1101 and a plurality of equally spaced wire rollers 1102 rotatably installed on one outer wall of the vertical plate 1101.
[0023] It should be noted here that: when the yarn 13 passes through the wire roller 1102, it can follow an S-shaped path, which can reduce the rebound speed and falling speed of the yarn 13 after breaking.
[0024] In a preferred embodiment, the clamping component 12 includes an electric gripper 1201 and a toothed plate 1202 installed on the opposite outer walls of the two clamping members of the electric gripper 1201.
[0025] It should be noted here that the two clamping members of the electric gripper 1201 can clamp the yarn 13, and the clamping effect on the yarn 13 can be improved by the provided toothed plate 1202.
[0026] Working principle: The device can be installed between the yarn roller and the textile machine. According to the distance between the yarn roller and the textile machine, the bidirectional threaded rod 6 can be rotated to adjust the distance between the two sliders 1001, and then the distance between the two electric grippers 1201 can be adjusted, which is convenient for clamping the two broken ends of the yarn when the yarn 13 breaks. The yarn 13 can pass through the two electric grippers 1201, the two groups of yarn rollers 1102 and the yarn break sensor 9 in sequence. The yarn break sensor 9 monitors the yarn 13 in real time. When the yarn 13 breaks, the taut yarn 13 will bounce and fall to both sides after breaking. The yarn break sensor 9 transmits the signal to the controller 4, and the controller 4 can control the two electric grippers 1201 to quickly clamp and fix the two ends of the broken yarn 13. The clamping effect on the yarn 13 can be improved by the provided toothed plate 1202. When the yarn 13 passes through the yarn roller 1102, it can follow an S-shaped path, which can reduce the bouncing speed and falling speed of the yarn 13 after breaking and facilitate the clamping assembly 12 to clamp the yarn ends.
[0027] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present utility model. Any reference signs in the claims should not be regarded as limiting the claimed rights.
Claims
1. A warp knitting machine yarn breakage detection device, comprising: An installation plate (1), support legs (2) fixed to both ends of the outer walls on both sides of the installation plate (1), and fixing holes (3) opened at both ends of the bottom outer wall of the support legs (2); It is characterized in that it further comprises: a controller (4) installed on one outer wall of the installation plate (1), a chute (5) is opened on the top outer wall of the installation plate (1), and a bidirectional threaded rod (6) is rotatably installed on one outer wall of the installation plate (1). One end of the bidirectional threaded rod (6) is provided with a cross bar (7), and a fixed seat (8) is installed on the top outer wall of the installation plate (1). A yarn breakage sensor (9) is installed on the top outer wall of the fixed seat (8), and moving components (10) are screwed to both ends of the bidirectional threaded rod (6). Winding components (11) are installed on both of the moving components (10), and clamping components (12) are installed on both of the moving components (10).
2. The warp knitting machine yarn breakage detection device according to claim 1, characterized in that: The moving component (10) includes a slider (1001), a threaded through hole (1002) opened on one outer wall of the slider (1001), and a moving plate (1003) fixed to the top of the slider (1001).
3. The warp knitting machine yarn breakage detection device according to claim 1, characterized in that: The winding component (11) includes a vertical plate (1101) and a plurality of wire rollers (1102) rotatably installed on one outer wall of the vertical plate (1101) at equal intervals.
4. The warp knitting machine yarn breakage detection device according to claim 1, characterized in that: The clamping component (12) includes an electric gripper (1201) and a toothed plate (1202) installed on the opposite outer walls of the two clamping members of the electric gripper (1201).
5. The warp knitting machine yarn breakage detection device according to claim 1, characterized in that: The thread directions at both ends of the bidirectional threaded rod (6) are opposite.
6. The warp knitting machine yarn breakage detection device according to claim 3, characterized in that: The heights of two adjacent wire rollers (1102) are different from each other.