Broken wire detection device

Abstract

The utility model discloses a broken wire detection device which comprises a guide wheel which guides a wire rod to be conveyed in a tensioning state. The detection assembly comprises a mounting seat, a detector and a touch control rod, and the touch control rod is connected to the mounting seat and can swing up and down; the touch control rod is connected with the guide wheel, the touch control rod is provided with a touch control part, and the touch control part is used for touching the detector and sending a signal when the touch control rod swings downwards. In the specific use process, the guide wheel abuts against a wire rod and is used for guiding the wire rod to be conveyed, due to the fact that the other end of the guide wheel is connected with the installation base through the touch control rod, when the wire rod is broken, the guide wheel loses supporting of the wire rod and falls, at the moment, the touch control hole swings downwards under the gravity effect of the guide wheel to touch the detector, and the detector sends a signal to the background; therefore, the system can stop in time, waste of a large amount of materials due to long-time idling of equipment is avoided, the probability of material waste is reduced, and the production time is saved.

Description

Technical Field

[0001] This utility model relates to the field of wire breakage detection technology for wire drawing equipment, and in particular to a wire breakage detection device. Background Technology

[0002] Wire drawing equipment is a specialized machine used to draw metal or non-metal materials into fine filaments through a die. During wire drawing production, the wire is easily affected by various factors in the production environment, which may lead to wire breakage. Currently, the main method for detecting wire breakage relies on real-time detection by workers. This method not only greatly increases the labor intensity of workers, but also has limited human reaction speed. There is a certain time delay from the discovery of wire breakage to taking measures such as stopping the machine. In high-speed wire drawing production, the equipment may have already run idle for a long distance during this time, resulting in a large amount of material waste and production time loss. Utility Model Content

[0003] In order to overcome at least one of the defects described in the prior art, the present invention provides a wire breakage detection device, which reduces the reliance on human monitoring and indirectly reduces material waste and production time loss.

[0004] The technical solution adopted by this utility model to solve its problem is:

[0005] A wire breakage detection device, comprising:

[0006] Guide wheel, the guide wheel is used to guide the wire to be conveyed in a taut state;

[0007] The detection assembly includes a mounting base, a detector, and a touch lever. The detector is located below the touch lever. The touch lever is connected to the mounting base and can swing up and down. The touch lever is connected to the guide wheel and has a touch part for touching the detector and sending a signal when the touch lever swings down.

[0008] Furthermore, the detector includes a sensor and a switch body. The switch body is mounted on the mounting base. The sensor is electrically connected to the switch body and extends out of the mounting base in a first direction. The sensor is located below the touch stick and is used to abut against the touch portion when the touch stick swings downward to send a signal to the switch body.

[0009] Furthermore, the mounting base is provided with a support shaft and a connecting seat. The support shaft extends out of the mounting base along the first direction. The connecting seat is rotatably connected to the end of the support shaft away from the mounting base, and the end of the touch bar away from the guide wheel is connected to the connecting seat.

[0010] Furthermore, two limiting blocks are also sleeved on the support shaft, and the connecting seat is clamped between the two limiting blocks and is spaced apart from the two limiting blocks respectively.

[0011] Furthermore, the connecting seat is also provided with a limiting rod, which is located below the touch rod and is used to abut against the touch rod when the touch rod rotates.

[0012] Furthermore, the detection component also includes a counterweight, which is fitted onto the touch bar and abuts against the guide wheel.

[0013] Furthermore, the detection component also includes a locking member, which is used to connect with the touch bar after the counterweight is sleeved on the touch bar, and to abut against the outer periphery of the counterweight to lock the counterweight.

[0014] Furthermore, the guide wheel is provided with a connecting groove, and the inner wall of the connecting groove abuts against the wire.

[0015] Furthermore, the interior of the connecting groove has a ceramic layer, which abuts against the wire.

[0016] In summary, the wire breakage detection device provided by this utility model has the following technical effects: In specific use, the guide wheel is placed against the wire and used to guide the wire conveying. Since the other end of the guide wheel is connected to the mounting base via a touch rod, when the wire breaks, the guide wheel loses the support of the wire and falls. At this time, the touch rod swings downward under the action of the gravity of the guide wheel until it touches the detector, so that the detector sends a signal to the background to prompt the system to stop the wire breakage. This allows the system to stop in time, avoids the equipment from running idle for a long time and wasting a lot of materials, reduces the probability of material waste, and saves production time. Attached Figure Description

[0017] Figure 1 This is a side view of the structure of this utility model;

[0018] Figure 2 This is a top view of the structure of this utility model;

[0019] Figure 3 This is a cross-sectional view of the detector in this utility model;

[0020] Figure 4 This is a schematic diagram of the assembly of the wire breakage detection device and the wire drawing equipment of this utility model.

[0021] The meanings of the reference numerals in the attached figures are as follows:

[0022] 10. Guide wheel; 11. Connecting groove; 12. Ceramic layer; 20. Mounting base; 21. Support shaft; 22. Connecting base; 23. Limiting block; 24. Limiting rod; 30. Touch rod; 40. Detector; 41. Sensing element; 42. Switch body; 50. Counterweight; 51. Locking element. Detailed Implementation

[0023] To better understand and implement this invention, the technical solutions in the embodiments of this invention will be clearly and completely described below with reference to the accompanying drawings.

[0024] In the description of this utility model, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0025] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

[0026] See Figures 1 to 4 This utility model discloses a wire breakage detection device, including a guide wheel 10 and a detection component. The guide wheel 10 is used to guide the wire to be transported in a taut state. The specific detection component includes a mounting base 20, a detector 40 and a touch lever 30. The touch lever 30 is connected to the mounting base 20 and can swing up and down. The touch lever 30 is connected to the guide wheel 10 and has a touch part. When the touch lever 30 swings down, the touch part touches the detector 40 and sends a signal.

[0027] Based on the above structure, during assembly, the touch lever 30 is rotatably connected to the mounting base 20, and the other end of the touch lever 30 is connected to the guide wheel 10. Then, the guide wheel 10 is pressed against the wire. Since the guide wheel 10 is usually made of a material with a certain degree of elasticity (such as rubber, polyurethane, etc.), it can deform to a certain extent according to the shape and surface condition of the wire when it comes into contact with the wire, so as to better fit the surface of the wire. While ensuring sufficient contact area to transmit force, it will not cause excessive compression to the wire, so that the wire can be conveyed in a taut state even when the guide wheel 10 is pressed against it during the conveying process.

[0028] Specifically, when the wire breaks, the guide wheel 10 loses the support of the wire and moves downward under its own gravity, thereby causing the touch rod 30 connected to it to swing downward together. When the touch rod 30 swings downward, since the detector 40 is located below the touch rod 30, the touch part of the touch rod 30 will trigger the detector 40 during the downward swing, causing the detector 40 to send a signal to the background control system so that the system can stop in time or issue an alarm signal to notify the workers to stop the machine in time, avoid the equipment from running idle for a long time and wasting a lot of materials, reduce the probability of material waste, and save production time.

[0029] It should be noted that the detector 40 in this embodiment can be an existing mechanical detector 40, such as a micro switch or limit switch. When the touch lever 30 swings down to a certain position, it will directly press or touch the mechanical parts of the switch, causing the contact state of the switch to change, thereby generating an electrical signal output and realizing the detection function; or an existing photoelectric detector 40 can be used, which is generally composed of a light-emitting element and a photosensitive element. The light-emitting element emits light, and when the touch lever 30 swings down, it will block the light or change the light reflection, and the light signal received by the photosensitive element will change accordingly, thereby generating a change in electrical signal, thus triggering detection;

[0030] Of course, it can also be an existing electromagnetic detector 40, such as a Hall current sensor. By installing magnetic material on the touch hole, when it swings down to the vicinity of the Hall sensor, the Hall sensor will detect the change in the magnetic field, thereby generating a corresponding electrical signal and realizing the detection function. The specific choice can be made according to the actual needs.

[0031] In addition, in this embodiment, the touch portion on the touch stick 30 can be one end of the touch stick 30 used to touch the detector 40, or it can be a structure (such as an electromagnetic block or a protruding structure) that is separately machined on the touch stick 30 to trigger the detector 40. When the touch stick 30 is installed, a pivot can be set on the mounting base 20, and a corresponding shaft hole can be machined on the touch stick 30. The shaft hole of the touch stick 30 is fitted onto the pivot, so that the touch stick 30 can swing around the pivot. Alternatively, the touch stick 30 can be connected to the mounting base 20 through a hinge, so that it swings under the action of gravity.

[0032] Furthermore, the detector 40 includes a sensor 41 and a switch body 42. The switch body 42 is mounted on the mounting base 20. The sensor 41 is electrically connected to the switch body 42 and extends out of the mounting base 20 in a first direction. The sensor 41 is located below the touch lever 30 and is used to abut against the touch part when the touch lever 30 swings downward to send a signal to the switch body 42.

[0033] Specifically, such as Figure 2As shown, the first direction is the left and right direction of the mounting base 20. The sensor 41 is placed below the touch stick 30 and extends out of the mounting base 20 along the first direction, so that when the touch stick 30 touches the sensor 41, it is not easy to collide with the mounting base 20, thus reducing the probability of damage to the mounting base 20.

[0034] Furthermore, the touch stick 30 is made to come into contact with the sensor 41 when it swings downward to send a signal, so that the signal will only be triggered when the touch stick 30 reaches a specific position (swings downward to contact the sensor 41), which improves the accuracy and reliability of triggering and reduces the possibility of false triggering.

[0035] Preferably, in this embodiment, the detector 40 is a mechanical detector 40, specifically a conventional limit switch, wherein the lever or mechanical contact on the limit switch is formed as a sensing element 41. When the touch lever 30 swings down to touch the lever or mechanical contact, the switch body 42 is activated, cutting off the control circuit or main circuit of the equipment, thereby causing the equipment to stop automatically.

[0036] Furthermore, the mounting base 20 is provided with a support shaft 21 and a connecting seat 22. The support shaft 21 extends out of the mounting base 20 in a first direction, and the connecting seat 22 is rotatably connected to the end of the support shaft 21 away from the mounting base 20. The end of the touch lever 30 away from the guide wheel 10 is connected to the connecting seat 22.

[0037] Specifically, the first direction can be the left or right direction of the mounting base 20. During assembly, after the support base extends out of the mounting base 20 along the first direction, the connecting seat 22 rotates through the end of the support shaft 21 away from the mounting base 20. This ensures that after the touch stick 30 is connected to the connecting seat 22, a certain distance is maintained between the touch stick 30 and the mounting base 20. Thus, during the movement of the touch stick 30, whether it rotates around the support shaft 21 or swings in other directions, maintaining this distance prevents direct collision or friction between the touch stick 30 and the mounting base 20. Especially when the touch stick 30 needs to perform a large-amplitude movement, without this distance, it is easy to interfere with the mounting base 20, leading to component damage or even affecting the normal operation of the equipment.

[0038] More specifically, the combined structure of the support shaft 21 and the connecting seat 22 can better distribute and transmit the force borne by the touch stick 30. When the touch stick 30 is subjected to external force, the force can be transmitted to the support shaft 21 through the connecting seat 22, and then distributed to the mounting seat 20 by the support shaft 21. This avoids excessive force on a single point, enhances the stability and reliability of the entire structure, and enables the equipment to withstand greater external forces and workloads.

[0039] Furthermore, two limiting blocks 23 are also sleeved on the support shaft 21, and the connecting seat 22 is clamped between the two limiting blocks 23 and is spaced apart from the two limiting blocks 23 respectively.

[0040] Specifically, since the connecting seat 22 is restricted between the two limiting blocks 23, and the touch stick 30 is connected to the connecting seat 22, the swing path of the touch stick 30 is also indirectly constrained. It can only swing within the space defined by the limiting blocks 23 with the support shaft 21 as the center, and there will be no random deviation. This ensures that when the touch stick 30 swings downward, it can approach the sensor 41 below along a relatively fixed path.

[0041] Compared to the absence of the limiting block 23, the touch stick 30 may shift to the left or right sides during its swing due to various factors (such as external force interference, elastic deformation of components, etc.), making it impossible to accurately touch the lever below. Therefore, in this embodiment, by setting the limiting block 23, the touch stick 30 and the connecting seat 22 are constrained in the left and right directions, ensuring that the touch stick 30 can remain in the vertical plane corresponding to the lever when it swings downward, thus improving the accuracy of the contact between the touch stick 30 and the lever.

[0042] Furthermore, the connecting seat 22 and the touch lever 30 connected thereto may experience slight displacement or swaying due to various forces. Therefore, in this embodiment, the limiting block 23 and the connecting seat 22 are spaced apart. This spacing provides the necessary space for such dynamic movement, ensuring that the connecting seat 22 can move freely within a certain range without being excessively restricted by the limiting block 23. This allows the touch lever 30 to complete various actions more flexibly, ensuring the flexibility of the entire mechanism.

[0043] It should be noted that in this embodiment, the limiting block 23 can be an existing nut, flange, or ring-shaped snap ring, etc.

[0044] Furthermore, the connecting seat 22 is also provided with a limiting rod 24, which is located below the touch rod 30 and is used to abut against the touch rod 30 when the touch rod 30 is rotated.

[0045] Specifically, the limiting rod 24 can set a clear boundary for the rotation of the touch rod 30. When the touch rod 30 rotates to a certain angle, for example, when the touch rod 30 rotates to abut against the sensing element 41, it will contact the limiting rod 24 and be blocked, so that the touch rod 30 cannot continue to rotate. This limits its rotation range to within the design-allowed angle, prevents it from exceeding the safe area due to excessive rotation, and avoids collisions with other surrounding components, thus protecting the surrounding components and ensuring the overall stability and reliability of the equipment.

[0046] Furthermore, the detection component also includes a counterweight 50, which is fitted onto the touch lever 30 and abuts against the guide wheel 10.

[0047] Specifically, after the wire breaks, the touch stick 30 may be subjected to forces in other directions, such as the force generated by the airflow inside the device. By adding a counterweight 50 to one end of the guide wheel 10, it is equivalent to adding gravity to one end of the touch stick 30. Due to the increase in gravity, it is more likely that the touch stick 30 will swing downwards in the direction of gravity, and will not be easily disturbed by other forces, resulting in an uncertain swing direction.

[0048] In addition, the counterweight 50 increases the mass of one end of the guide wheel 10 of the touch stick 30. Under the action of gravity (gravitational acceleration), the mass increases and the initial acceleration also increases accordingly. This allows the touch stick 30 to start swinging downwards more quickly after the wire breaks, improving the swing response speed and making it easier to swing to the trigger detector 40 in a shorter time.

[0049] Furthermore, the detection assembly also includes a locking member 51, which is connected to the touch bar 30 after the counterweight 50 is fitted onto the touch bar 30, and abuts against the outer periphery of the counterweight 50 to lock the counterweight 50.

[0050] When the device is running, the touch stick 30 will move in various ways. If the counterweight 50 is not locked, it may wobble on the touch stick 30 and collide with the touch stick 30 or other adjacent parts. This may not only damage the counterweight 50 and other parts, but also generate noise and vibration, affecting the normal operation of the device. Therefore, in this embodiment, the counterweight 50 is tightly fixed by the locking member 51, which can reduce such unnecessary collisions and protect the device parts.

[0051] In addition, once the counterweight 50 is locked, it will not move during normal operation, thus ensuring that the touch lever 30 can swing to the trigger position along the predetermined track in the event of a wire break, so that the detector 40 can be triggered in a timely and accurate manner, thereby improving the reliability and accuracy of the entire detection system.

[0052] Furthermore, the guide wheel 10 is provided with a connecting groove 11, the inner wall of the connecting groove 11 abuts against the wire, so that the wire can be well positioned and constrained by the side wall of the connecting groove 11, so that the wire can only travel along the center line of the connecting groove 11, thus ensuring the stability of the wire conveying and the stability of the motion trajectory.

[0053] Preferably, the connecting groove 11 can be designed as a V-shaped groove. The inclined sidewalls of the V-shaped groove provide stable guidance for the movement of the wire, ensuring that the wire can only move along the V-shaped direction and is less prone to lateral deviation or swaying. Compared to other shapes of grooves, such as square grooves, the right-angle corners may obstruct or interfere with the movement of objects, resulting in less smooth guidance. Therefore, designing the connecting groove 11 as a V-shaped groove further ensures the stability of wire transportation.

[0054] More specifically, the interior of the connecting groove 11 has a ceramic layer 12, which abuts against the wire. Because ceramic material has an extremely low coefficient of friction and good wear resistance, when the wire comes into contact with the surface of the ceramic liner, the low coefficient of friction makes the friction between the conductor and the ceramic liner smaller, reducing the heat and wear generated by friction, and reducing the risk of scratching and damage to the surface of the wire.

[0055] Meanwhile, the wear resistance of ceramics ensures that the surface of the connecting groove 11 remains smooth during long-term use, and will not develop a rough surface or scratches due to wear, further ensuring the smoothness of the wire surface.

[0056] The technical means disclosed in this utility model are not limited to those disclosed in the above embodiments, but also include technical solutions composed of any combination of the above technical features. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of this utility model, and these improvements and modifications are also considered within the scope of protection of this utility model.

Claims

1. A wire breakage detection device, characterized in that, include: Guide wheel, the guide wheel is used to guide the wire to be conveyed in a taut state; The detection assembly includes a mounting base, a detector, and a touch lever. The detector is located below the touch lever. The touch lever is connected to the mounting base and can swing up and down. The touch lever is connected to the guide wheel and has a touch part for touching the detector and sending a signal when the touch lever swings down.

2. The wire breakage detection device as described in claim 1, characterized in that, The detector includes a sensor and a switch body. The switch body is mounted on the mounting base. The sensor is electrically connected to the switch body and extends out of the mounting base in a first direction. The sensor is located below the touch stick and is used to abut against the touch part when the touch stick swings downward to send a signal to the switch body.

3. The wire breakage detection device as described in claim 2, characterized in that, The mounting base is provided with a support shaft and a connecting seat. The support shaft extends out of the mounting base along the first direction. The connecting seat is rotatably connected to the end of the support shaft away from the mounting base, and the end of the touch bar away from the guide wheel is connected to the connecting seat.

4. The wire breakage detection device as described in claim 3, characterized in that, Two limiting blocks are also sleeved on the support shaft, and the connecting seat is clamped between the two limiting blocks and is spaced apart from the two limiting blocks respectively.

5. The wire breakage detection device as described in claim 4, characterized in that, The connecting seat is also provided with a limiting rod, which is located below the touch rod and is used to abut against the touch rod when the touch rod rotates.

6. The wire breakage detection device according to any one of claims 1-5, characterized in that, The detection component also includes a counterweight, which is fitted onto the touch bar and abuts against the guide wheel.

7. The wire breakage detection device as described in claim 6, characterized in that, The detection component further includes a locking member, which is used to connect with the touch bar after the counterweight is sleeved on the touch bar, and to abut against the outer periphery of the counterweight to lock the counterweight.

8. The wire breakage detection device as described in claim 6, characterized in that, The guide wheel is provided with a connecting groove, and the inner wall of the connecting groove abuts against the wire.

9. The wire breakage detection device as described in claim 8, characterized in that, The interior of the connecting groove has a ceramic layer, which abuts against the wire.

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