Wire nodule detection device

Abstract

The invention discloses a wire nodule detection device. The wire nodule detection device comprises a rotating wheel; the swinging arm comprises a pressing part suitable for pressing the conveyed wire on the rotating wheel; and a sensor for detecting the position of the swing arm. When knots on the conveyed wire rod pass through the space between the rotating wheel and the pressing part of the swing arm, the swing arm swings back and forth once between the first position and the second position, and therefore whether the conveyed wire rod has the knots or not can be judged according to the position detected by the sensor. According to the invention, the wire nodule detection device can detect nodules on the conveyed wire in time, so that the problem of blockage caused by the nodules of the wire can be effectively prevented.

Description

TECHNICAL FIELD

[0001] The present application relates to a wire knot detection device. BACKGROUND

[0002] In the prior art, during the production and manufacture of a wire, a knot is easily generated. The size of the wire knot is larger than the diameter of the wire, which can cause problems such as blockage during the conveying of the wire. For example, the wire knot can block a wire through hole, causing the wire to fail to pass through the wire through hole smoothly, which can cause production failure. SUMMARY

[0003] The present application aims to solve at least one of the above problems and defects in the prior art.

[0004] According to one aspect of the present application, a wire knot detection device is provided. The wire knot detection device includes a rotating wheel, a swing arm including a pressing portion adapted to press a wire being conveyed against the rotating wheel, and a sensor for detecting the position of the swing arm. When a knot on the wire being conveyed passes between the rotating wheel and the pressing portion of the swing arm, the swing arm swings back and forth once between a first position and a second position, so that it can be determined whether the wire being conveyed has a knot based on the position detected by the sensor.

[0005] According to one exemplary embodiment of the present application, the wire knot detection device further includes a determination device for determining whether the wire being conveyed has a knot based on the position detected by the sensor.

[0006] According to another exemplary embodiment of the present application, when the wire being conveyed has no knot, the swing arm is always in the first position during the conveying of the wire; when the sensor does not detect that the swing arm is swung to the second position during the conveying of the wire, the determination device determines that the wire being conveyed has no knot.

[0007] According to another exemplary embodiment of the present application, when the wire being conveyed has a knot, the swing arm is first swung from the first position to the second position and then from the second position to the first position under the action of the knot; when the sensor detects that the swing arm is swung to the second position during the conveying of the wire, the determination device determines that the wire being conveyed has a knot.

[0008] According to another exemplary embodiment of the present application, the sensor is a trigger switch and the swing arm has a trigger portion for triggering the trigger switch; when the swing arm is in the first position, the trigger portion is in a non-trigger position which does not trigger the trigger switch; when the swing arm is in the second position, the trigger portion is in a trigger position which triggers the trigger switch.

[0009] According to another exemplary embodiment of the present application, when the trigger switch is triggered during the feeding of the wire, the judging device judges that there is a kink on the wire being fed; when the trigger switch is not triggered during the feeding of the wire, the judging device judges that there is no kink on the wire being fed.

[0010] According to another exemplary embodiment of the present application, the sensor is a photoelectric switch which includes a light emitter and a light receiver opposite to the light emitter; when the light receiver receives the light emitted by the light emitter, the photoelectric switch is triggered.

[0011] According to another exemplary embodiment of the present application, when the swing arm is in the first position, the light emitted by the light emitter is blocked by the trigger portion so that the light receiver cannot receive the light emitted by the light emitter; when the swing arm is in the second position, the light emitted by the light emitter is not blocked by the trigger portion so that the light receiver can receive the light emitted by the light emitter.

[0012] According to another exemplary embodiment of the present application, the sensor is a photoelectric switch which includes a light emitter and a light receiver opposite to the light emitter; when the light receiver does not receive the light emitted by the light emitter, the photoelectric switch is triggered.

[0013] According to another exemplary embodiment of the present application, when the swing arm is in the first position, the light emitted by the light emitter is not blocked by the trigger portion so that the light receiver can receive the light emitted by the light emitter; when the swing arm is in the second position, the light emitted by the light emitter is blocked by the trigger portion so that the light receiver cannot receive the light emitted by the light emitter.

[0014] According to another exemplary embodiment of the present application, the sensor is a contact switch; when the swing arm is in the first position, the trigger portion is separated from the contact switch; when the swing arm is in the second position, the trigger portion presses the contact switch to trigger the contact switch.

[0015] According to another exemplary embodiment of the present application, the swing arm is positioned above the rotating wheel, and is adapted to press the wire to be conveyed on the rotating wheel by its own weight.

[0016] According to another exemplary embodiment of the present application, the wire knot detection device further includes a mounting plate for mounting the rotating wheel, the swing arm, and the sensor. The rotating wheel is rotatably mounted on the mounting plate so as to be rotatable about a first axis perpendicular to the mounting plate. The swing arm is rotatably mounted on the mounting plate so as to be swingable about a second axis perpendicular to the mounting plate. The sensor is fixed to the mounting plate.

[0017] According to another exemplary embodiment of the present application, the swing arm further includes a first arm rotatably mounted to the mounting plate via a rotating shaft, and a second arm fixed to one end of the first arm and extending in a direction inclined to the extending direction of the first arm. The trigger portion is formed on the other end of the first arm, and the pressing portion is fixed to the lower side of the second arm or integrally formed with the second arm.

[0018] According to another exemplary embodiment of the present application, the pressing portion has a smooth contact surface for contact with the wire, so as to reduce the friction between the pressing portion and the wire and prevent the wire from being abraded by the pressing portion.

[0019] According to another exemplary embodiment of the present application, the wire knot detection device further includes a first limit post fixed to the mounting plate for limiting the swing arm at a first limit position, and a second limit post fixed to the mounting plate for limiting the swing arm at a second limit position. When the swing arm swings between the first position and the second position, the swing arm does not exceed the first limit position and the second limit position.

[0020] In the foregoing exemplary embodiments according to the present application, the wire knot detection device can timely check the knot on the wire to be conveyed, thereby effectively preventing the clogging problem caused by the wire knot.

[0021] Other objects and advantages of the present application will be understood from the following description of the present application with reference to the accompanying drawings, and will help to fully understand the present application. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 FIG. 1 shows a perspective view schematically showing a wire knot detection device according to an exemplary embodiment of the present application, in which a swing arm is in a first position;

[0023] Figure 2Fig. 2 shows a plan view of a wire knot detection device according to an exemplary embodiment of the present application, wherein the swing arm is in the first position;

[0024] Figure 3 Fig. 3 shows a perspective view of a wire knot detection device according to an exemplary embodiment of the present application, wherein the swing arm is in the second position;

[0025] Figure 4 Fig. 4 shows a plan view of a wire knot detection device according to an exemplary embodiment of the present application, wherein the swing arm is in the second position. DETAILED DESCRIPTION

[0026] The technical solutions of the present application will be further described below in conjunction with the accompanying drawings. In the description, identical or similar reference numerals indicate identical or similar components. The following description of the embodiments of the present application with reference to the drawings is intended to explain the general inventive concept of the present application, and should not be understood as a limitation of the present application.

[0027] In addition, in the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the embodiments of the present disclosure. However, it will be apparent to one skilled in the art that one or more embodiments can be practiced without these specific details. In other instances, well-known structures and devices are shown in block diagram form in order to avoid obscuring the accompanying drawings.

[0028] According to one general inventive concept, a wire knot detection device is provided. The wire knot detection device includes a rotating wheel, a swing arm including a pressing portion adapted to press a wire being conveyed against the rotating wheel, and a sensor for detecting a position of the swing arm. The swing arm swings back and forth once between a first position and a second position when a knot on the wire being conveyed passes between the rotating wheel and the pressing portion of the swing arm, so that it can be determined whether the wire being conveyed has a knot according to the position detected by the sensor.

[0029] Figure 1 Fig. 2 shows a plan view of a wire knot detection device according to an exemplary embodiment of the present application, wherein the swing arm is in the first position; Figure 2 Fig. 2 shows a plan view of a wire knot detection device according to an exemplary embodiment of the present application, wherein the swing arm is in the first position; Figure 3 Fig. 3 shows a perspective view of a wire knot detection device according to an exemplary embodiment of the present application, wherein the swing arm is in the second position; Figure 4 Fig. 4 shows a plan view of a wire knot detection device according to an exemplary embodiment of the present application, wherein the swing arm is in the second position.

[0030] AsFigures 1 to 4 As shown in the figure, in one exemplary embodiment of the present application, a wire knot detection device is disclosed. The wire knot detection device comprises a rotating wheel 1, a swing arm 2 and a sensor 3. The swing arm 2 comprises a pressing part 20 adapted to press the wire 6 being conveyed against the rotating wheel 1. The sensor 3 is used to detect the position of the swing arm 2. When a knot 6a on the wire 6 being conveyed passes between the rotating wheel 1 and the pressing part 20 of the swing arm 2, the swing arm 2 swings back and forth once between the first position and the second position, so that whether the wire 6 being conveyed has a knot 6a can be determined according to the position detected by the sensor 3.

[0031] As shown in the figure, in one exemplary embodiment of the present application, a wire knot detection device is disclosed. The wire knot detection device comprises a rotating wheel 1, a swing arm 2 and a sensor 3. The swing arm 2 comprises a pressing part 20 adapted to press the wire 6 being conveyed against the rotating wheel 1. The sensor 3 is used to detect the position of the swing arm 2. When a knot 6a on the wire 6 being conveyed passes between the rotating wheel 1 and the pressing part 20 of the swing arm 2, the swing arm 2 swings back and forth once between the first position and the second position, so that whether the wire 6 being conveyed has a knot 6a can be determined according to the position detected by the sensor 3. Figures 1 to 4 As shown in the figure, in one exemplary embodiment of the present application, a wire knot detection device is disclosed. The wire knot detection device comprises a rotating wheel 1, a swing arm 2 and a sensor 3. The swing arm 2 comprises a pressing part 20 adapted to press the wire 6 being conveyed against the rotating wheel 1. The sensor 3 is used to detect the position of the swing arm 2. When a knot 6a on the wire 6 being conveyed passes between the rotating wheel 1 and the pressing part 20 of the swing arm 2, the swing arm 2 swings back and forth once between the first position and the second position, so that whether the wire 6 being conveyed has a knot 6a can be determined according to the position detected by the sensor 3.

[0032] As shown in the figure, in one exemplary embodiment of the present application, a wire knot detection device is disclosed. The wire knot detection device comprises a rotating wheel 1, a swing arm 2 and a sensor 3. The swing arm 2 comprises a pressing part 20 adapted to press the wire 6 being conveyed against the rotating wheel 1. The sensor 3 is used to detect the position of the swing arm 2. When a knot 6a on the wire 6 being conveyed passes between the rotating wheel 1 and the pressing part 20 of the swing arm 2, the swing arm 2 swings back and forth once between the first position and the second position, so that whether the wire 6 being conveyed has a knot 6a can be determined according to the position detected by the sensor 3. Figures 1 to 4 As shown in the figure, in one exemplary embodiment of the present application, a wire knot detection device is disclosed. The wire knot detection device comprises a rotating wheel 1, a swing arm 2 and a sensor 3. The swing arm 2 comprises a pressing part 20 adapted to press the wire 6 being conveyed against the rotating wheel 1. The sensor 3 is used to detect the position of the swing arm 2. When a knot 6a on the wire 6 being conveyed passes between the rotating wheel 1 and the pressing part 20 of the swing arm 2, the swing arm 2 swings back and forth once between the first position and the second position, so that whether the wire 6 being conveyed has a knot 6a can be determined according to the position detected by the sensor 3.

[0033] As shown in the figure, in one exemplary embodiment of the present application, a wire knot detection device is disclosed. The wire knot detection device comprises a rotating wheel 1, a swing arm 2 and a sensor 3. The swing arm 2 comprises a pressing part 20 adapted to press the wire 6 being conveyed against the rotating wheel 1. The sensor 3 is used to detect the position of the swing arm 2. When a knot 6a on the wire 6 being conveyed passes between the rotating wheel 1 and the pressing part 20 of the swing arm 2, the swing arm 2 swings back and forth once between the first position and the second position, so that whether the wire 6 being conveyed has a knot 6a can be determined according to the position detected by the sensor 3. Figures 1 to 4 As shown in the figure, in one exemplary embodiment of the present application, a wire knot detection device is disclosed. The wire knot detection device comprises a rotating wheel 1, a swing arm 2 and a sensor 3. The swing arm 2 comprises a pressing part 20 adapted to press the wire 6 being conveyed against the rotating wheel 1. The sensor 3 is used to detect the position of the swing arm 2. When a knot 6a on the wire 6 being conveyed passes between the rotating wheel 1 and the pressing part 20 of the swing arm 2, the swing arm 2 swings back and forth once between the first position and the second position, so that whether the wire 6 being conveyed has a knot 6a can be determined according to the position detected by the sensor 3.

[0034] As shown in the figure, in one exemplary embodiment of the present application, a wire knot detection device is disclosed. The wire knot detection device comprises a rotating wheel 1, a swing arm 2 and a sensor 3. The swing arm 2 comprises a pressing part 20 adapted to press the wire 6 being conveyed against the rotating wheel 1. The sensor 3 is used to detect the position of the swing arm 2. When a knot 6a on the wire 6 being conveyed passes between the rotating wheel 1 and the pressing part 20 of the swing arm 2, the swing arm 2 swings back and forth once between the first position and the second position, so that whether the wire 6 being conveyed has a knot 6a can be determined according to the position detected by the sensor 3. Figures 1 to 4 As shown in the figure, in one exemplary embodiment of the present application, a wire knot detection device is disclosed. The wire knot detection device comprises a rotating wheel 1, a swing arm 2 and a sensor 3. The swing arm 2 comprises a pressing part 20 adapted to press the wire 6 being conveyed against the rotating wheel 1. The sensor 3 is used to detect the position of the swing arm 2. When a knot 6a on the wire 6 being conveyed passes between the rotating wheel 1 and the pressing part 20 of the swing arm 2, the swing arm 2 swings back and forth once between the first position and the second position, so that whether the wire 6 being conveyed has a knot 6a can be determined according to the position detected by the sensor 3.

[0035] As shown in the figure, in one exemplary embodiment of the present application, a wire knot detection device is disclosed. The wire knot detection device comprises a rotating wheel 1, a swing arm 2 and a sensor 3. The swing arm 2 comprises a pressing part 20 adapted to press the wire 6 being conveyed against the rotating wheel 1. The sensor 3 is used to detect the position of the swing arm 2. When a knot 6a on the wire 6 being conveyed passes between the rotating wheel 1 and the pressing part 20 of the swing arm 2, the swing arm 2 swings back and forth once between the first position and the second position, so that whether the wire 6 being conveyed has a knot 6a can be determined according to the position detected by the sensor 3. Figures 1 to 4As shown in the illustrated embodiment, the sensor 3 is a trigger switch and the swing arm 2 has a trigger portion 21a for triggering the trigger switch. When the swing arm 2 is in the first position, the trigger portion 21a is in a non-trigger position that does not trigger the trigger switch. When the swing arm 2 is in the second position, the trigger portion 21a is in a trigger position that triggers the trigger switch.

[0036] As shown in the illustrated embodiment, the sensor 3 is a trigger switch and the swing arm 2 has a trigger portion 21a for triggering the trigger switch. When the swing arm 2 is in the first position, the trigger portion 21a is in a non-trigger position that does not trigger the trigger switch. When the swing arm 2 is in the second position, the trigger portion 21a is in a trigger position that triggers the trigger switch. Figures 1 to 4 As shown in the illustrated embodiment, the sensor 3 is a trigger switch and the swing arm 2 has a trigger portion 21a for triggering the trigger switch. When the swing arm 2 is in the first position, the trigger portion 21a is in a non-trigger position that does not trigger the trigger switch. When the swing arm 2 is in the second position, the trigger portion 21a is in a trigger position that triggers the trigger switch.

[0037] As shown in the illustrated embodiment, the sensor 3 is a trigger switch and the swing arm 2 has a trigger portion 21a for triggering the trigger switch. When the swing arm 2 is in the first position, the trigger portion 21a is in a non-trigger position that does not trigger the trigger switch. When the swing arm 2 is in the second position, the trigger portion 21a is in a trigger position that triggers the trigger switch. Figures 1 to 4 As shown in the illustrated embodiment, the sensor 3 is a trigger switch and the swing arm 2 has a trigger portion 21a for triggering the trigger switch. When the swing arm 2 is in the first position, the trigger portion 21a is in a non-trigger position that does not trigger the trigger switch. When the swing arm 2 is in the second position, the trigger portion 21a is in a trigger position that triggers the trigger switch.

[0038] As shown in the illustrated embodiment, the sensor 3 is a trigger switch and the swing arm 2 has a trigger portion 21a for triggering the trigger switch. When the swing arm 2 is in the first position, the trigger portion 21a is in a non-trigger position that does not trigger the trigger switch. When the swing arm 2 is in the second position, the trigger portion 21a is in a trigger position that triggers the trigger switch. Figures 1 to 4 As shown in the illustrated embodiment, the sensor 3 is a trigger switch and the swing arm 2 has a trigger portion 21a for triggering the trigger switch. When the swing arm 2 is in the first position, the trigger portion 21a is in a non-trigger position that does not trigger the trigger switch. When the swing arm 2 is in the second position, the trigger portion 21a is in a trigger position that triggers the trigger switch.

[0039] However, the present application is not limited to the illustrated embodiment. For example, in another exemplary embodiment of the present application, the sensor 3 is a photoelectric switch that includes a light emitter 31 and a light receiver 32 opposite the light emitter 31. The photoelectric switch is triggered when the light receiver 32 does not receive light emitted by the light emitter 31. In this embodiment, when the swing arm 2 is in the first position, the light emitted by the light emitter 31 is not blocked by the trigger portion 21a, so that the light receiver 32 can receive the light emitted by the light emitter 31. When the swing arm 2 is in the second position, the light emitted by the light emitter 31 is blocked by the trigger portion 21a, so that the light receiver 32 cannot receive the light emitted by the light emitter 31.

[0040] Although not shown, in another exemplary embodiment of the present application, the sensor 3 is a contact switch. When the swing arm 2 is in the first position, the trigger portion 21a is separated from the contact switch; when the swing arm 2 is in the second position, the trigger portion 21a presses the contact switch to trigger the contact switch.

[0041] AsFigures 1 to 4 As shown in the illustrated embodiment, the swing arm 2 is positioned above the rotating wheel 1, and the swing arm 2 is adapted to press the conveyed wire 6 onto the rotating wheel 1 under its own weight. However, the invention is not limited to the illustrated embodiment. For example, the wire knot detection device may include an elastic element that applies a predetermined pressing force to the swing arm 2, such that the swing arm 2 is adapted to press the conveyed wire 6 onto the rotating wheel 1 under the action of the elastic element.

[0042] like Figures 1 to 4 As shown in the illustrated embodiment, the wire knot detection device further includes a mounting plate 4. The mounting plate 4 is used to mount the rotating wheel 1, the swing arm 2, and the sensor 3. The rotating wheel 1 is rotatably mounted on the mounting plate 4 and is capable of rotating about a first axis perpendicular to the mounting plate 4. The swing arm 2 is rotatably mounted on the mounting plate 4 and is capable of swinging about a second axis perpendicular to the mounting plate 4. The sensor 3 is fixed to the mounting plate 4.

[0043] like Figures 1 to 4 As shown in the illustrated embodiment, the swing arm 2 further includes a first arm 21 and a second arm 22. The first arm 21 is rotatably mounted to the mounting plate 4 via a rotating shaft 2a. The second arm 22 is fixed to one end of the first arm 21 and extends in a direction inclined to the extending direction of the first arm 21. A trigger portion 21a is formed on the other end of the first arm 21, and a pressing portion 20 is fixed to the underside of the second arm 22 or integrally formed with the second arm 22.

[0044] like Figures 1 to 4 As shown, in the illustrated embodiment, the pressing part 20 has a smooth contact surface for contacting the wire 6, so as to reduce the friction between the pressing part 20 and the wire 6 and prevent the wire 6 from being worn by the pressing part 20.

[0045] like ​ As shown in the illustrated embodiment, the wire knot detection device further includes a first limiting post 51 and a second limiting post 52. The first limiting post 51 is fixed to the mounting plate 4 to limit the swing arm 2 to a first extreme position. The second limiting post 52 is fixed to the mounting plate 4 to limit the swing arm 2 to a second extreme position. When the swing arm 2 swings between the first position and the second position, the swing arm 2 does not exceed the first extreme position and the second extreme position.

[0046] Those skilled in the art will understand that the embodiments described above are exemplary and can be improved upon. The structures described in the various embodiments can be freely combined without causing structural or principle conflicts, and these changes should fall within the protection scope of this invention.

[0047] Although the invention has been described in conjunction with the accompanying drawings, the embodiments disclosed in the drawings are intended to illustrate preferred embodiments of the invention and should not be construed as limiting the invention.

[0048] While some embodiments of the general concept of the invention have been shown and described, those skilled in the art will understand that changes may be made to these embodiments without departing from the principles and spirit of the general concept of the invention, the scope of which is defined by the claims and their equivalents.

[0049] It should be noted that the word "comprising" does not exclude other elements or steps, and the words "a" or "an" do not exclude multiple elements. Furthermore, any reference numerals in the claims should not be construed as limiting the scope of the invention.

Claims

1. A wire nodule detection device, comprising: Rotating wheel (1); The swing arm (2) includes a pressing part (20) adapted to press the wire (6) to be conveyed onto the rotating wheel (1); and Sensor (3) is used to detect the position of the swing arm (2). When a knot (6a) on the conveyed wire (6) passes between the rotating wheel (1) and the pressing part (20) of the swing arm (2), the swing arm (2) swings back and forth once between the first position and the second position, so that the position detected by the sensor (3) can be used to determine whether there is a knot (6a) on the conveyed wire (6).

2. The wire nodule detection device according to claim 1, characterized in that, Also includes: The judgment device determines whether there is a nodule (6a) on the conveyed wire (6) based on the position detected by the sensor (3).

3. The wire nodule detection device according to claim 2, characterized in that: When there are no knots (6a) on the wire (6) being transported, the swing arm (2) remains in the first position during the transport of the wire (6); When the sensor (3) does not detect that the swing arm (2) is swung to the second position during the conveying of the wire (6), the judgment device determines that there is no knot (6a) on the conveyed wire (6).

4. The wire nodule detection device according to claim 2, characterized in that: When there is a knot (6a) on the wire (6) being transported, the swing arm (2) will swing from the first position to the second position and then from the second position to the first position under the action of the knot (6a); When the sensor (3) detects that the swing arm (2) is swung to the second position during the conveying of the wire (6), the judgment device determines that there is a nodule (6a) on the conveyed wire (6).

5. The wire nodule detection device according to claim 2, characterized in that: The sensor (3) is a trigger switch and the swing arm (2) has a trigger part (21a) for triggering the trigger switch; When the swing arm (2) is in the first position, the triggering part (21a) is in the non-triggering position and does not trigger the triggering switch; When the swing arm (2) is in the second position, the trigger part (21a) is in the trigger position to trigger the trigger switch.

6. The wire nodule detection device according to claim 5, characterized in that: When the trigger switch is triggered during the conveying of the wire (6), the judgment device determines that there is a nodule (6a) on the conveyed wire (6); When the trigger switch is not triggered during the conveying of the wire (6), the judgment device determines that there is no knot (6a) on the conveyed wire (6).

7. The wire nodule detection device according to claim 5, characterized in that: The sensor (3) is a photoelectric switch, which includes a light emitter (31) and a light receiver (32) opposite to the light emitter (31); When the light receiver (32) receives the light emitted by the light emitter (31), the photoelectric switch is triggered.

8. The wire nodule detection device according to claim 7, characterized in that: When the swing arm (2) is in the first position, the light emitted by the light emitter (31) is blocked by the trigger part (21a), so that the light receiver (32) cannot receive the light emitted by the light emitter (31); When the swing arm (2) is in the second position, the light emitted by the light emitter (31) will not be blocked by the trigger part (21a), so that the light receiver (32) can receive the light emitted by the light emitter (31).

9. The wire nodule detection device according to claim 5, characterized in that: The sensor (3) is a photoelectric switch, which includes a light emitter (31) and a light receiver (32) opposite to the light emitter (31); The photoelectric switch is triggered when the light receiver (32) does not receive the light emitted by the light emitter (31).

10. The wire nodule detection device according to claim 9, characterized in that: When the swing arm (2) is in the first position, the light emitted by the light emitter (31) will not be blocked by the trigger part (21a), so that the light receiver (32) can receive the light emitted by the light emitter (31); When the swing arm (2) is in the second position, the light emitted by the light emitter (31) is blocked by the trigger part (21a), so that the light receiver (32) cannot receive the light emitted by the light emitter (31).

11. The wire nodule detection device according to claim 5, characterized in that: The sensor (3) is a contact switch; When the swing arm (2) is in the first position, the trigger part (21a) separates from the contact switch; When the swing arm (2) is in the second position, the triggering part (21a) presses the contact switch to trigger the contact switch.

12. The wire nodule detection device according to claim 1, characterized in that: The swing arm (2) is located above the rotating wheel (1) and is adapted to press the wire (6) to be conveyed onto the rotating wheel (1) under its own weight.

13. The wire nodule detection device according to claim 5, characterized in that, Also includes: Mounting plate (4) for mounting the rotating wheel (1), the swing arm (2), and the sensor (3). The rotating wheel (1) is rotatably mounted on the mounting plate (4) and is capable of rotating about a first axis perpendicular to the mounting plate (4); The swing arm (2) is rotatably mounted on the mounting plate (4) and is able to swing about a second axis perpendicular to the mounting plate (4); The sensor (3) is fixed to the mounting plate (4).

14. The wire nodule detection device according to claim 13, characterized in that: The swing arm (2) also includes: The first arm (21) is rotatably mounted to the mounting plate (4) via a rotating shaft (2a); and The second arm (22) is fixed to one end of the first arm (21) and extends in a direction inclined to the extension direction of the first arm (21). The trigger part (21a) is formed on the other end of the first arm (21), and the pressing part (20) is fixed to the lower side of the second arm (22) or integrally formed with the second arm (22).

15. The wire nodule detection device according to claim 14, characterized in that: The pressing part (20) has a smooth contact surface for contacting the wire (6) to reduce the friction between the pressing part (20) and the wire (6) and to prevent the wire (6) from being worn by the pressing part (20).

16. The wire nodule detection device according to claim 14, characterized in that, Also includes: The first limiting post (51) is fixed to the mounting plate (4) to limit the swing arm (2) to the first extreme position; and The second limiting post (52) is fixed to the mounting plate (4) to limit the swing arm (2) to the second extreme position. When the swing arm (2) swings between the first position and the second position, the swing arm (2) does not exceed the first limit position and the second limit position.

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