CN211825386U

CN211825386U - Broken wire detection device

Info

Publication number: CN211825386U
Application number: CN202020253159.5U
Authority: CN
Inventors: 蔡志端; 马陈燕
Original assignee: Huzhou Automation Society; Huzhou University
Current assignee: Huzhou Automation Society; Huzhou University
Priority date: 2020-03-04
Filing date: 2020-03-04
Publication date: 2020-10-30
Anticipated expiration: 2030-03-04

Abstract

The utility model provides a broken string detection device, includes two mount pads in front and back, and the mount pad will walk the line ware restraint through elastic component respectively in the middle of two mount pads, walks to have the leading wheel in the line ware, installs the metal contact on the mount pad and the corresponding face of walking the line ware. The spinning thread passing and walking device transmits the tension of the conducting wire, so that the displacement of the elastic component is stable, and the switching state of the metal contact is stably changed. In order to adapt to different tensile strengths of the textile wires, the metal contacts are mounted on the threaded columns with adjustable telescopic lengths, so that the contact and disconnection intervals of the metal contacts can be adjusted, and the adaptability of the whole detection device is better.

Description

Broken wire detection device

Technical Field

The invention relates to the field of textile detection, in particular to a broken yarn detection device.

Background

The detection of the broken threads of the textile is an indispensable important component in the textile machinery equipment, and the textile machinery equipment is controlled to be stopped in time by detecting the broken threads so as to ensure the normal operation of the subsequent textile operation. The existing methods for detecting broken threads in spinning are more, but most of the methods realize detection in a tension mode, namely, an elastic tension is applied to a spinning thread, when the elastic tension disappears, the thread is judged to be broken, for example, a spring pressure lever is utilized, the end part of the pressure lever is abutted against the spinning thread, and when the thread is broken, the pressure lever triggers the corresponding contact to be switched on and off under the action of the spring, so that the timely thread breaking and stopping operation is realized. Although the structure is simple, the tensile strength is different due to the material and thickness of the textile wires, the spring force is uncontrollable, the reliability of the sensor is not high, and the sensor is easy to fail along with the service life. And the force application effect of the spring force on the compression bar is not uniform, but the probability of wire breakage is easily increased. Therefore, the existing textile broken thread detection structure needs to be improved.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve the prior art problem, design one kind and can evenly perceive braided wire elastic tension, and the elastic tension changes and produces a broken string detection device that the broken string signal does not receive the influence of braided wire tensile strength.

The technical scheme of the utility model is that: the utility model provides a broken string detection device, includes two mount pads in front and back, and the mount pad will walk the line ware restraint through elastic component respectively in the middle of two mount pads, walks to have the leading wheel in the line ware, installs the metal contact on the mount pad and the corresponding face of walking the line ware.

As a preference: the elastic component comprises a hollow pipe, an elastic rod and a spring, the spring is sleeved on the hollow pipe and constrained between limiting pieces on the hollow pipe and the elastic rod, and the elastic rod can extend and contract in the hollow pipe.

As a preference: the wire guide can slide in the sliding groove, and the elastic component is a spring.

As a preference: 2 guide wheels are vertically aligned and distributed in the wire walking device, and 4 elastic components between the mounting seat and the wire walking device are uniformly distributed.

As a preference: the metal contact is mounted on a threaded post that changes length by rotation on the sensor base.

To sum up, the beneficial effects of the utility model are that:

1. the wiring device is constrained on two mounting seats and constrained left and right by the elastic component to be in an elastic suspension state, and the textile wire is led to the wiring device to transmit the tension of the wire, so that the displacement of the elastic component is stable, and the switching state of the metal contact is stably changed.

2. In order to adapt to different tensile strengths of the textile wires, the metal contacts are arranged on the threaded columns with adjustable telescopic lengths, so that the contact and disconnection intervals of the metal contacts can be adjusted; in addition, the elastic assembly consisting of the hollow pipe, the elastic rod and the spring can change the spacing between the hollow pipe and the elastic rod to change the elasticity and the telescopic amount of the spring, and the on-off change of the metal contact can be quickly adjusted, so that the adaptability of the whole detection device is better.

Drawings

Fig. 1 is a schematic structural diagram of a first embodiment of the present invention during disconnection.

Fig. 2 is a schematic diagram of a state of the first embodiment of the present invention when the wire is not broken.

Fig. 3 is a schematic structural diagram of a second embodiment of the present invention during disconnection.

Fig. 4 is a schematic diagram illustrating a state of the second embodiment of the present invention when the wire is not broken.

Fig. 5 is a circuit diagram of the disconnection detection of the present invention.

Detailed Description

As shown in fig. 1: the utility model provides a broken string detection device, includes two

mount pads

1 and 5 around,

mount pad

1 and 5 will walk line ware 3 restraint through elastic component 4 respectively in the middle of two mount pads, walk the line ware in have leading wheel 10, install metal contact 9 on the mount pad and the corresponding face of walking the line ware. The wire guide can slide in the sliding groove 2, the elastic component in the figure is a spring, and the sliding groove 2 ensures that the wire guide 3 cannot shake due to the fact that the spring can generate certain bending, and the stability of the device under the design is improved.

2 guide wheels 10 are vertically aligned and distributed in the wire walking device, so that when the textile wires are spread, the stress of the wire walking device is more uniform, 4 elastic components between the mounting seat and the wire walking device are uniformly distributed, and the quantity is changed. The metal contact is installed on the screw post 8, and the screw post 8 changes length on sensor base 6 is flexible. When the braided wire is thinner, the tensile strength is low, and the displacement of walking the line ware is less, can rotate the screw thread post to change the interval between the metal contact, guarantee detection stability.

As shown in fig. 2: after the textile wire penetrates through the wire walking device, the textile wire which is originally vertically walked is propped to be in a trapezoidal walking position, and rightward thrust is generated, so that a spring between the wire walking device and the mounting seat is compressed, and at the moment, the metal contact contacts to generate a closing signal, and the condition that the textile wire is normal is indicated. When the textile thread is broken, the original compressed spring returns to elastic deformation and returns to the state shown in figure 1.

Another configuration of the elastic assembly is shown in fig. 3: the elastic rod comprises a hollow pipe 11, an elastic rod 12 and a spring 13, wherein the spring 13 is sleeved on the hollow pipe 11 and is restrained between limiting pieces 15 and 14 on the hollow pipe and the elastic rod, and the elastic rod 12 can stretch out and draw back in the hollow pipe 11. This structure makes elastic component have stable connection effect, walks line ware and mount pad and keeps flexible level stable, no longer needs the spout.

As shown in fig. 4, after the textile wire passes through the wire guide, the textile wire which is originally vertically guided is stretched into a trapezoid, the elasticity degree of the trapezoid can change the distance between the hollow pipe and the limiting piece on the elastic rod by rotating the limiting piece on the hollow pipe, and generate a right thrust suitable for the tensile strength of the textile wire, so as to compress the spring between the wire guide and the mounting seat, and at the moment, the metal contact contacts to generate a closing signal to indicate that the textile wire is normal. When the textile wire is disconnected, the original compressed spring returns to elastic deformation and returns to the state shown in fig. 3, and the contact signal disappears to indicate the wire disconnection.

As shown in fig. 5, the disconnection detecting sensor is connected with a 5v power supply and a ground signal, generates logic levels of 1 and 0 through the on-off of a metal contact, outputs the logic levels to a P2.0 port of the single chip microcomputer, simultaneously transmits the signal to the relay J1, generates on-off control on the relay J1, triggers the 220vAC alternating current indicator lamp B1 to light, and indicates that the textile wire works normally. When the textile wire is broken, the indicator light B1 is not lighted, and P2.0 is signaled to stop the whole device.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A broken wire detection device is characterized in that: including two mount pads in front and back, the mount pad respectively through elastic component will walk the line ware restraint in the middle of two mount pads, walk the line ware in have a leading wheel, the mount pad with walk to install the metal contact on the face of line ware.

2. The disconnection detecting apparatus according to claim 1, wherein: the elastic component comprises a hollow pipe, an elastic rod and a spring, the spring is sleeved on the hollow pipe and constrained between limiting pieces on the hollow pipe and the elastic rod, and the elastic rod can stretch and contract in the hollow pipe.

3. The disconnection detecting apparatus according to claim 1, wherein: the wire routing device can slide in the sliding groove, and the elastic component is a spring.

4. A disconnection detecting device according to claim 2 or 3, wherein: the wire walking device is internally provided with 2 guide wheels which are vertically aligned and distributed, and 4 elastic components between the mounting seat and the wire walking device are uniformly distributed.

5. A disconnection sensing device as claimed in claim 1, 2 or 3, wherein: the metal contact is arranged on a threaded column, and the length of the threaded column is changed on the sensor base through rotation.