An online detection device and online detection method for monofilament diameter

Abstract

The embodiment of the present application provides an online detection device and an online detection method for the diameter of a monofilament, which relates to the online technical field of monofilament diameter detection, wherein the detection device for the diameter of a monofilament comprises: a twisting wheel, the twisting wheel has a plurality of mounting holes distributed along the circumference of the twisting wheel, and each mounting hole is used to pass through each monofilament respectively; a diameter detection member, the diameter detection member is arranged on one side of the twisting wheel, and is used to detect the diameter of the monofilament corresponding to the diameter detection member; an alignment sensor, the alignment sensor is electrically connected to the diameter detection member, and the alignment sensor is configured to trigger the diameter detection member to detect the diameter of the monofilament at the current corresponding position when the monofilament enters the detection position of the diameter detection member as the twisting wheel rotates. The online detection device and the online detection method for the diameter of a monofilament provided by the embodiment of the present application solve the problem that the diameter detection process of the monofilament in the prior art is prone to low production efficiency.

Description

Technical Field

[0001] The present application relates to the technical field of monofilament diameter detection, and in particular to an online detection device and an online detection method for monofilament diameter. Background Art

[0002] At present, during the production process of some products, it is often necessary to detect the diameters of parts in some products.

[0003] In the related art, taking steel core aluminum stranded wire as an example, the steel core aluminum stranded wire includes multiple single wires, and the single wires are twisted together by a frame stranding machine during production to form a stranded wire. In order to check whether the diameter of the single wire is qualified during production, it is necessary to stop the machine intermittently and test the diameter of the single wire.

[0004] However, the above-mentioned method of detecting the diameter of the monofilament may easily lead to low production efficiency. Summary of the invention

[0005] The embodiments of the present application provide an online detection device and an online detection method for the diameter of a monofilament to solve the problem that the diameter detection process of the monofilament in the prior art easily leads to low production efficiency.

[0006] In a first aspect, an embodiment of the present application provides an online detection device for a monofilament diameter, comprising:

[0007] A twisting wheel, wherein the twisting wheel has a plurality of mounting holes distributed along the circumference of the twisting wheel, and each mounting hole is used to pass each monofilament respectively;

[0008] A diameter detection member, the diameter detection member is arranged on one side of the twisting wheel and is used to detect the diameter of the monofilament corresponding to the diameter detection member;

[0009] The alignment sensor is electrically connected to the diameter detection member, and the alignment sensor is configured to trigger the diameter detection member to detect the diameter of the monofilament at the current corresponding position when the monofilament enters the detection position of the diameter detection member as the twisting wheel rotates.

[0010] In a possible implementation, the stranding wheel is rotatably provided with a plurality of guide wheels, each of the guide wheels is correspondingly disposed in each of the mounting holes, and the peripheral sides of the guide wheels are used to support the monofilament.

[0011] In a possible implementation manner, a snap ring groove for accommodating the monofilament is provided on a circumferential side of the guide wheel, and the snap ring groove is coaxially arranged with the guide wheel.

[0012] In a possible implementation manner, the diameter detection component includes a profilometer and a protective cover. The profilometer is disposed in the protective cover, and the profilometer is used to detect the diameter of the monofilament.

[0013] In a possible implementation manner, the diameter detection component is detachably provided with a connecting bracket, and the alignment sensor is detachably provided on the connecting bracket.

[0014] In a possible implementation manner, a reference component is further included, and the reference component is used to determine the position of the monofilament for the first diameter detection.

[0015] In a possible implementation manner, the reference assembly includes a magnetic member and a magnetic sensitive sensor, the magnetic member is arranged on the stranding wheel, and the magnetic member corresponds to any one of the mounting holes;

[0016] The magnetic sensor is arranged on the diameter detection member, and is used for determining the monofilament at the corresponding position as the monofilament for the first diameter detection when the magnetic member enters the detection range of the magnetic sensor.

[0017] In a possible implementation, the magnetic sensor includes two sensing units that are spaced apart from each other, and an area between the two sensing units forms a detection range of the magnetic sensor.

[0018] In a possible implementation manner, the magnetic member includes a magnetic screw, the magnetic screw is threadedly connected to the circumference of the twisting wheel, and the magnetic screw corresponds to any one of the mounting holes.

[0019] In a second aspect, an embodiment of the present application further provides an online detection method for a monofilament diameter, using the online detection device for the monofilament diameter described in any of the above embodiments, comprising the following steps:

[0020] Passing each monofilament through each mounting hole on a twisting wheel in the online detection device for the monofilament diameter, so that each monofilament is twisted together by the twisting wheel;

[0021] When the alignment sensor in the online detection device for the diameter of the monofilament detects that the monofilament enters the detection range of the diameter detection component in the online detection device for the diameter of the monofilament, the diameter detection component is triggered to detect the diameter of the monofilament at the current corresponding position;

[0022] As the twisting wheel rotates, the diameters of the monofilaments in the mounting holes are detected in sequence.

[0023] The embodiment of the present application provides an online detection device and an online detection method for the diameter of a monofilament, wherein the online detection device for the diameter of a monofilament is provided by: a twisting wheel, the twisting wheel has a plurality of mounting holes distributed along the circumference of the twisting wheel, and each mounting hole is used to pass through each monofilament respectively; a diameter detection member, the diameter detection member is arranged on one side of the twisting wheel, and is used to detect the diameter of the monofilament corresponding to the diameter detection member; and a positioning sensor, the positioning sensor is electrically connected to the diameter detection member. Thus, during operation, each monofilament is continuously twisted by the rotation of the twisting wheel. During the twisting process of the monofilament, when the positioning sensor detects that any monofilament enters the detection position of the diameter detection member, the diameter detection member is triggered to detect the diameter of the monofilament at the current corresponding position. Similarly, the diameter of each monofilament is detected online in sequence. The detection process of the monofilament diameter does not need to be stopped, which can ensure the continuous process of the monofilament twisting process, is not easy to increase the time used for the monofilament twisting process, improves production efficiency, and solves the problem that the monofilament diameter detection process in the prior art is prone to low production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and, together with the description, serve to explain the principles of the present application.

[0025] Figure 1 A schematic diagram of the structure of a single-filament diameter detection device provided in the present application;

[0026] Figure 2 for Figure 1 Schematic diagram of line laser ranging in the working of the medium profiler;

[0027] Figure 3 for Figure 1 Schematic diagram of the enlarged structure of part A.

[0028] Description of reference numerals:

[0029] 10-monofilament;

[0030] 100-twisting wheel disc; 110-mounting hole; 120-guide wheel; 121-clamping ring groove;

[0031] 200-diameter detection part; 210-contour meter; 220-protective cover;

[0032] 300-alignment sensor; 310-connection bracket;

[0033] 400 - reference component; 410 - magnetic component; 420 - magnetic sensor; 421 - sensing unit.

[0034] The above drawings have shown clear embodiments of the present application, which will be described in more detail later. These drawings and text descriptions are not intended to limit the scope of the present application in any way, but to illustrate the concept of the present application to those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0035] Exemplary embodiments will be described in detail herein, examples of which are shown in the accompanying drawings. When the following description refers to the drawings, the same numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the following exemplary embodiments do not represent all implementations consistent with the present application. Instead, they are merely examples of devices and methods consistent with some aspects of the present application as detailed in the appended claims.

[0036] In the related art, during the production process of some products, it is often necessary to test the diameter of the parts in some products. For example, steel core aluminum stranded wire includes multiple single wires, and during production, the single wires are twisted together by a frame twisting machine to form a stranded wire. In order to check whether the diameter of the single wire is qualified during production, the diameter of the single wire needs to be tested.

[0037] When detecting the diameter of the monofilament, the frame twister is usually paused first, the diameter of each monofilament is detected in turn, and then the frame twister is restarted to continue the monofilament twisting process. However, the monofilament diameter detection process tends to increase the time used for the monofilament twisting process, resulting in low production efficiency.

[0038] Therefore, the embodiment of the present application provides an online detection device and an online detection method for the diameter of a monofilament, wherein the online detection device for the diameter of a monofilament is provided by: a twisting wheel, the twisting wheel has a plurality of mounting holes distributed along the circumference of the twisting wheel, and each mounting hole is used to pass through each monofilament respectively; a diameter detection member, the diameter detection member is arranged on one side of the twisting wheel, and is used to detect the diameter of the monofilament corresponding to the diameter detection member; and a positioning sensor, the positioning sensor is electrically connected to the diameter detection member. Thus, during operation, each monofilament is continuously twisted by the rotation of the twisting wheel. During the twisting process of the monofilament, when the positioning sensor detects that any monofilament enters the detection position of the diameter detection member, the diameter detection member is triggered to detect the diameter of the monofilament at the current corresponding position. Similarly, the diameter of each monofilament is detected online in sequence. The detection process of the monofilament diameter does not need to be stopped, which can ensure the continuous process of the monofilament twisting process, is not easy to increase the time used for the monofilament twisting process, improves production efficiency, and solves the problem that the monofilament diameter detection process in the prior art is prone to low production efficiency.

[0039] The technical solution of the present application and how the technical solution of the present application solves the above-mentioned technical problems are described in detail below with specific embodiments. The following specific embodiments can be combined with each other, and the same or similar concepts or processes may not be repeated in some embodiments. The embodiments of the present application will be described below in conjunction with the accompanying drawings.

[0040] like Figure 1 As shown, the embodiment of the present application provides an online detection device for the diameter of a single wire, comprising:

[0041] A stranding wheel 100, the stranding wheel 100 has a plurality of mounting holes 110 distributed along the circumference of the stranding wheel 100, and each mounting hole 110 is used to pass each monofilament 10 respectively;

[0042] A diameter detection member 200, which is disposed on one side of the stranding wheel 100 and is used to detect the diameter of the monofilament 10 corresponding to the diameter detection member 200;

[0043] The alignment sensor 300 is electrically connected to the diameter detection member 200. The alignment sensor 300 is configured to trigger the diameter detection member 200 to detect the diameter of the monofilament 10 at the current corresponding position when the monofilament 10 enters the detection position of the diameter detection member 200 as the twisting wheel 100 rotates.

[0044] It should be noted that the sheave 100 is rotatably arranged. During implementation, the sheave 100 can be rotatably arranged on a frame, a base or other components, and the rotation of the sheave 100 can be controlled by a motor or other power parts. This part is not shown in the accompanying drawings. It is only necessary to rotate the sheave 100, and no other restrictions are made on this.

[0045] The stranding wheel 100 is provided with a plurality of mounting holes 110, and the mounting holes 110 are evenly distributed around the axis of the stranding wheel 100, so that the monofilaments 10 can be correspondingly inserted into the mounting holes 110, so that when the stranding wheel 100 rotates, the monofilaments 10 are controlled to be twisted with each other. In the drawings, only some of the monofilaments 10 are illustrated on the stranding wheel 100.

[0046] The diameter detection member 200 and the alignment sensor 300 are both located on the circumferential side of the twisting wheel 100 . The diameter detection member 200 and the alignment sensor 300 can be located on the same side of the twisting wheel 100 , and the diameter detection member 200 and the alignment sensor 300 are on the same horizontal plane.

[0047] The alignment sensor 300 is electrically connected to the diameter detection member 200. When the alignment sensor 300 detects any single wire 10, it also indicates that the single wire 10 is located at the detection position of the diameter detection member 200. Then the diameter detection member 200 is triggered to detect the diameter of the single wire 10 at the current position.

[0048] During operation, each monofilament 10 is continuously twisted by the rotation of the twisting wheel 100. During the twisting process of the monofilaments 10, when the alignment sensor 300 detects that any monofilament 10 enters the detection position of the diameter detection member 200, the diameter detection member 200 is triggered to detect the diameter of the monofilament 10 at the current corresponding position. Similarly, the diameter of each monofilament 10 is detected in turn. The detection process of the diameter of the monofilament 10 does not require shutdown, thereby ensuring the continuous process of the twisting process of the monofilament 10, not easily increasing the time used for the twisting process of the monofilament 10, improving production efficiency, and solving the problem of low production efficiency in the diameter detection process of the monofilament 10 in the prior art.

[0049] It should be noted that the online detection device for the diameter of a single wire can also be used to detect the diameters of other parts, such as rods, pipes, cables, etc., without limitation. In this embodiment, only the diameter detection of the single wire 10 is taken as an example.

[0050] like Figure 1 As shown, specifically, the diameter detection member 200 includes a profiler 210 and a protective cover 220 . The profiler 210 is disposed inside the protective cover 220 . The profiler 210 is used to detect the diameter of the monofilament 10 .

[0051] The model of the profiler 210 is not limited. The alignment sensor 300 is electrically connected to the profiler 210, and the alignment sensor 300 can be a laser photoelectric sensor or other sensors, which are not limited. Thus, the alignment sensor 300 triggers the profiler 210 to work, so as to detect the diameter of the monofilament 10.

[0052] It should be noted that if Figure 2 As shown, the profiler 210 obtains the distances of various points on the semicircular surface of the monofilament 10 by means of line laser distance measurement, and then calculates the diameter of the monofilament 10 by means of image processing.

[0053] In addition, the protective cover 220 has a better protective effect on the profilometer 210, thereby reducing the possibility of damage to the profilometer 210 and extending the service life.

[0054] During implementation, for example, a rack or other components can be set up on site, and the protective cover 220 can be fixed on a bracket or other components to complete the installation of the protective cover 220. Of course, there is no restriction on the installation method of the protective cover 220. It is only necessary to make the protective cover 220 and the profiler 210 as a whole located on the peripheral side of the twisting wheel 100, which is not shown in the drawings.

[0055] It should be noted that the diameter detection member 200 is detachably provided with a connecting bracket 310 , and the alignment sensor 300 is detachably provided on the connecting bracket 310 .

[0056] Specifically, the connecting bracket 310 is fixed to the outer wall of the protective cover 220 by screwing, and the alignment sensor 300 is connected to the connecting bracket 310 by screwing, so that the alignment sensor 300 is fixed on the diameter detection part 200, so that the two form a whole, which is convenient for subsequent modular installation or use, and ensures that the two are on the same horizontal line.

[0057] In other embodiments, the connecting bracket 310 may also be connected to the protective cover 220 and the alignment sensor 300 by snap connection, pin connection or other methods.

[0058] like Figure 1 As shown, in some embodiments, the stranding wheel 100 is rotatably provided with a plurality of guide wheels 120 , each guide wheel 120 is respectively disposed in each mounting hole 110 , and the peripheral side of the guide wheel 120 is used to support the monofilament 10 .

[0059] Specifically, the monofilament 10 passing through the mounting hole 110 is clamped between the peripheral side of the guide wheel 120 and the inner wall of the mounting hole 110. Therefore, during the transportation of the monofilament 10 in the mounting hole 110, the friction resistance of the monofilament 10 can be reduced by the guide wheel 120 while ensuring that the monofilament 10 has better stability, thereby improving the convenience of twisting the monofilaments 10 with each other. In the accompanying drawings, only the guide wheels 120 in some mounting holes 110 are illustrated, and the remaining guide wheels 120 can be set similarly during implementation.

[0060] like Figure 1 As shown, further, a snap ring groove 121 for accommodating the monofilament 10 is provided on the circumferential side of the guide wheel 120, and the snap ring groove 121 is coaxially arranged with the guide wheel 120. The monofilament 10 is located in the snap ring groove 121, so that the guide wheel 120 has a better supporting effect on the monofilament 10, further improving the stability of the monofilament 10 conveying process.

[0061] During the diameter detection process of the monofilament 10, the diameter of each monofilament 10 is detected in turn, so that multiple sets of diameter data are generated on the diameter detection member 200, and then each data needs to be matched one-to-one with each monofilament 10 on the twisting wheel 100, so as to be refined to the diameter of each monofilament 10. In this regard, in order to facilitate the one-to-one correspondence between each diameter data and each monofilament 10, in some embodiments, the monofilament diameter detection device further includes a reference component 400, which is used to determine the position of the monofilament 10 for the first diameter detection.

[0062] It should be noted that the first monofilament 10 for diameter detection is marked by the reference component 400, and after the twisting wheel 100 rotates, the diameter of each monofilament 10 has been detected in turn. A coordinate system or table is established with the monofilament 10 marked by the reference component 400 as the origin, and each monofilament 10 passing through the diameter detection component 200 is arranged in turn. Then, multiple sets of data on the diameter detection component 200 can be matched one by one with each monofilament 10 on the coordinate system or table, and the diameter of each monofilament 10 can be accurately obtained, and the data matching process is relatively convenient.

[0063] like Figure 1 and Figure 3 As shown, in some embodiments, the reference assembly 400 includes a magnetic member 410 and a magnetic sensor 420, the magnetic member 410 is disposed on the stranding sheave 100, and the magnetic member 410 corresponds to any one of the mounting holes 110;

[0064] The magnetic sensor 420 is disposed on the diameter detection member 200 . The magnetic sensor 420 is used to determine the monofilament 10 at the corresponding position as the first monofilament 10 to be detected in diameter when the magnetic member 410 enters the detection range of the magnetic sensor 420 .

[0065] In this embodiment, the magnetic member 410 corresponds to any one of the mounting holes 110 , so as to mark the monofilament 10 in the mounting hole 110 , so as to mark the monofilament 10 as the first monofilament 10 for starting diameter detection.

[0066] There is no restriction on the model of the magnetic sensor 420. The magnetic sensor 420 is arranged on the diameter detection part 200. The magnetic sensor 420 can be fixed on the protective cover 220, so that the magnetic sensor 420, the alignment sensor 300 and the diameter detection part 200 are all located on the same side of the winding wheel 100, and the magnetic sensor 420 is electrically connected to the alignment sensor 300 and the diameter detection part 200.

[0067] During the detection process, when the magnetic sensor 420 detects the magnetic part 410, the monofilament 10 at the corresponding position is marked as the first monofilament 10 to be tested for diameter, and the alignment sensor 300 and the diameter detection part 200 are triggered to start the diameter detection of each monofilament 10.

[0068] During implementation, for example, a PLC controller (not shown in the drawings) may be added to control the signal or data, and the magnetic sensor 420 transmits the signal to the PLC controller (not shown in the drawings), thereby obtaining the serial number reference of the single wire 10, so as to correspond each single wire 10 to the diameter of the single wire 10 obtained by the profiler 210.

[0069] In addition, during implementation, the magnetic sensor 420 can be set so that when the magnetic sensor 420 detects the magnetic part 410 again, it means that the twisting wheel 100 has rotated one circle and the diameter of each single wire 10 has been detected. At this time, the alignment sensor 300 and the diameter detection part 200 are controlled to stop detection.

[0070] Of course, after the twisting wheel 100 rotates one circle, the alignment sensor 300 and the diameter detection member 200 may continue to repeatedly detect the diameter of each single wire 10, and finally integrate or average each group of data to obtain a more accurate value of the single wire 10 diameter.

[0071] like Figure 1 and Figure 3 As shown, specifically, the magnetic sensor 420 includes two sensing units 421 that are spaced apart from each other, and the area between the two sensing units 421 forms a detection range of the magnetic sensor 420 .

[0072] The magnetic member 410 includes a magnetic screw, which is threadedly connected to the circumference of the stranding sheave 100 , and the magnetic screw corresponds to any one of the mounting holes 110 .

[0073] Each sensing unit 421 can be fixed on the outer wall of the protective cover 220 by screwing or other means, and is located on the side of the protective cover 220 facing the twisting wheel 100. The two sensing units 421 can be distributed vertically at intervals, so that the area between the two sensing units 421 is the detection range of the magnetic sensor 420. Of course, they can also be distributed horizontally at intervals, which is not limited.

[0074] When the magnetic screw enters the detection range of the magnetic sensor 420, the magnetic sensor 420 is triggered to operate. In addition, the magnetic screw can be installed or removed on the twisting wheel 100 more conveniently, thereby improving the use effect.

[0075] In other embodiments, the magnetic member 410 may also be configured as other components, such as a magnetic block, a magnetic latch, a magnetic nut, etc.

[0076] In summary, the online detection device for the diameter of a monofilament provided in the embodiment of the present application, when working, continuously twists each monofilament 10 through the rotation of the twisting wheel 100. During the twisting process of the monofilament 10, when the alignment sensor 300 detects that any monofilament 10 enters the detection position of the diameter detection member 200, it will trigger the diameter detection member 200 to detect the diameter of the monofilament 10 at the current corresponding position. Similarly, the diameter of each monofilament 10 is detected online in sequence. The detection process of the diameter of the monofilament 10 does not need to be stopped, thereby ensuring the continuous twisting process of the monofilament 10, not easily increasing the time used for the twisting process of the monofilament 10, improving production efficiency, and solving the problem that the diameter detection process of the monofilament 10 in the prior art is prone to low production efficiency.

[0077] The embodiment of the present application also provides an online detection method for the diameter of a monofilament, which adopts the online detection device for the diameter of a monofilament in any of the above embodiments, and comprises the following steps:

[0078] Each monofilament 10 is inserted into each mounting hole 110 on a twisting wheel 100 in an online detection device for monofilament diameter, so that each monofilament 10 is twisted together by the twisting wheel 100;

[0079] When the alignment sensor 300 in the online detection device for the diameter of the monofilament detects that the monofilament 10 enters the detection range of the diameter detection member 200 in the online detection device for the diameter of the monofilament, the diameter detection member 200 is triggered to detect the diameter of the monofilament 10 at the current corresponding position;

[0080] As the stranding wheel 100 rotates, the diameters of the monofilaments 10 in the mounting holes 110 are detected in sequence.

[0081] In summary, the online detection method for the monofilament diameter provided in the embodiment of the present application does not require shutdown during the detection process of the monofilament 10 diameter, thereby ensuring the continuous progress of the twisting process of the monofilament 10, and is not likely to increase the time taken for the twisting process of the monofilament 10, thereby improving production efficiency and solving the problem of low production efficiency in the prior art in the detection process of the monofilament 10 diameter.

[0082] Finally, it should be noted that those skilled in the art will readily conceive of other embodiments of the present invention after considering the specification and practicing the invention disclosed herein. The present invention is intended to cover any variations, uses or adaptations of the present invention, which follow the general principles of the present invention and include common knowledge or customary technical means in the art not disclosed by the present invention, are not limited to the precise structure described above and shown in the drawings, and may be modified and changed in various ways without departing from the scope thereof. The scope of the present invention is limited only by the appended claims.

Claims

1. An online detection device for monofilament diameter, characterized in that: include: A twisting wheel (100), wherein the twisting wheel (100) has a plurality of mounting holes (110) distributed along the circumference of the twisting wheel (100), and each mounting hole (110) is used to pass a corresponding single wire (10); a diameter detection member (200), the diameter detection member (200) being arranged on one side of the twisting wheel (100) and being used to detect the diameter of the monofilament (10) corresponding to the diameter detection member (200); an alignment sensor (300), the alignment sensor (300) being electrically connected to the diameter detection member (200), the alignment sensor (300) being configured to, as the twisting wheel (100) rotates, trigger the diameter detection member (200) to detect the diameter of the monofilament (10) at the current corresponding position when the monofilament (10) enters the detection position of the diameter detection member (200); A reference component (400), the reference component (400) being used to determine the position of the monofilament (10) for first diameter detection; The reference assembly (400) comprises a magnetic member (410) and a magnetic sensor (420), the magnetic member (410) being arranged on the stranding wheel (100), and the magnetic member (410) corresponding to any one of the mounting holes (110); The magnetic sensor (420) is arranged on the diameter detection member (200), and the magnetic sensor (420) is used to determine the monofilament (10) at the corresponding position as the monofilament (10) for the first diameter detection when the magnetic member (410) enters the detection range of the magnetic sensor (420).

2. The on-line detection device for monofilament diameter according to claim 1, characterized in that: The stranding wheel (100) is rotatably provided with a plurality of guide wheels (120), each of the guide wheels (120) being correspondingly arranged in each of the mounting holes (110), and the peripheral sides of the guide wheels (120) are used to support the monofilament (10).

3. The on-line detection device for monofilament diameter according to claim 2, characterized in that: A snap ring groove (121) for accommodating the monofilament (10) is provided on the circumferential side of the guide wheel (120), and the snap ring groove (121) is coaxially arranged with the guide wheel (120).

4. The on-line detection device for monofilament diameter according to claim 1, characterized in that: The diameter detection member (200) comprises a profilometer (210) and a protective cover (220); the profilometer (210) is arranged inside the protective cover (220); and the profilometer (210) is used to detect the diameter of the monofilament (10).

5. The on-line detection device for monofilament diameter according to claim 1, characterized in that: The diameter detection member (200) is detachably provided with a connecting bracket (310), and the alignment sensor (300) is detachably provided on the connecting bracket (310).

6. The on-line detection device for monofilament diameter according to claim 1, characterized in that: The magnetic sensor (420) comprises two sensing units (421) distributed at intervals, and the area between the two sensing units (421) forms the detection range of the magnetic sensor (420).

7. The on-line detection device for monofilament diameter according to claim 1, characterized in that: The magnetic member (410) comprises a magnetic screw, the magnetic screw being threadedly connected to the circumferential side of the twisting wheel (100), and the magnetic screw corresponding to any one of the mounting holes (110).

8. An online detection method for monofilament diameter, using the online detection device for monofilament diameter according to any one of claims 1 to 7, characterized in that: The following steps are involved: Passing each monofilament (10) through each mounting hole (110) on a twisting wheel (100) in the online detection device for the monofilament diameter, so that each monofilament (10) is twisted together through the twisting wheel (100); When the alignment sensor (300) in the online detection device for the diameter of the monofilament detects that the monofilament (10) has entered the detection range of the diameter detection component (200) in the online detection device for the diameter of the monofilament, the diameter detection component (200) is triggered to detect the diameter of the monofilament (10) at the current corresponding position; As the twisting wheel (100) rotates, the diameter of the monofilament (10) in each of the mounting holes (110) is detected in sequence.

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