A wire diameter full circumference detection device

Abstract

The utility model discloses a kind of wire diameter full perimeter detection devices, including signal acquisition mechanism and stay wire mechanism;The signal acquisition mechanism includes upper detection block, lower detection block, conduction detector and control host computer;Opposite surface of the upper detection block and lower detection block is respectively provided with corresponding half-ring cavity, and the two half-ring cavities of closure form the detection cavity for wire passing;The upper detection block and lower detection block can form electrical conduction when mutually adhering in two half-ring cavity inner walls, and disconnect the electrical conduction when gap is generated due to wire diameter out-of-tolerance in inner wall;The utility model designs a kind of wire diameter full perimeter detection device, realizes 360 ° blind area-free full-coverage detection to winding acetate cloth wire, and qualified nature is automatically judged by electrical signal, improve the detection efficiency of wire;By adjusting the inner diameter of detection cavity and guiding structure, wire of different diameter and surface state can be compatible, and sectional wire diameter detection is carried out, increase the flexibility of detection.

Description

Technical Field

[0001] This utility model relates to the technical field of wire diameter detection devices, and in particular to a wire diameter full circumference detection device. Background Technology

[0002] In the field of wire diameter detection technology, wire harnesses used in bone conduction headphones require twisting and then wrapping with acetate tape and silicone. During the twisting process, there is a probability of partial bulges in the wire harness, which may exceed the required specifications. Currently, wire gauges are used for segmented measurement or laser scanning equipment to obtain local diameter data to detect the wire diameter and determine whether the product's wire diameter is qualified. However, segmented measurement with wire gauges requires contact gauges to measure each segment. The non-uniform surface of the product wrapped with acetate tape leads to large errors in contact measurement, and it relies on the operator's visual identification of defective products, which is time-consuming. Laser detection is easily affected by the reflective properties of the wire surface, which can lead to data loss. It also requires multiple adjustments to the laser scanning angle and cannot cover the entire circumference of the wire to detect whether the wire diameter is qualified. Therefore, it is necessary to design a wire diameter full circumference detection device to achieve 360° blind-spot-free full coverage detection of acetate-wrapped wire harnesses and automatically determine the qualification through electrical signals, thereby improving detection efficiency. At the same time, it is applicable to the full length and segmented wire diameter detection of wires with different diameters and surface conditions, increasing the flexibility of detection. Utility Model Content

[0003] The purpose of this invention is to design a wire diameter full circumference detection device to solve the problems of the prior art.

[0004] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0005] A device for detecting the full circumference diameter of a wire is provided, comprising a signal acquisition mechanism and a wire pulling mechanism;

[0006] The signal acquisition mechanism includes an upper detection block, a lower detection block, a continuity detector, and a control host.

[0007] The upper and lower detection blocks are respectively provided with corresponding semi-annular cavities on their opposite surfaces, and the two semi-annular cavities that fit together form a detection cavity for the wire to pass through.

[0008] The upper and lower detection blocks can form an electrical connection when the inner walls of the two semi-annular cavities are in contact with each other, and the electrical connection is broken when a gap occurs in the inner wall due to the wire diameter exceeding the tolerance.

[0009] The wire pulling mechanism is used to uniformly pull the wire through the detection cavity along the wire axis;

[0010] The control host is electrically connected to the continuity detector and the wire pulling mechanism, and is used to determine whether the wire diameter is qualified based on the continuity of the continuity signal, and to trigger an alarm when the signal is interrupted.

[0011] Preferably, an insulating block is provided on the lower detection block, and the insulating block connects the two detection blocks simultaneously. The continuity detector is located on the two detection blocks.

[0012] Preferably, guide mechanisms are provided at both ends of the detection cavity, and U-shaped grooves are provided on the guide mechanisms, with the U-shaped grooves corresponding to the semi-annular cavity of the lower detection block.

[0013] Preferably, a fixing block and an operating handle are provided above the upper detection block, and a first fixing frame is provided below the lower detection block. The first fixing frame includes a first top plate and a first support column. A wire placement plate is provided on the upper surface of the first top plate, and a bottom plate is provided below the first support column.

[0014] Preferably, the wire placement plate is provided with a wire placement groove, which is provided corresponding to the detection cavity and is on the same horizontal plane as the semi-annular cavity of the lower detection block.

[0015] Preferably, the wire pulling mechanism includes a wire clamp, a fixing plate, and a transmission structure. The wire clamp is disposed on the fixing plate for fixing the wire. A sliding plate is disposed below the fixing plate. The sliding plate is connected to the transmission structure in a transmission manner, and the transmission structure is fixed to the base plate.

[0016] Preferably, the transmission structure includes a lead screw module, a coupling, and a servo motor. The slide plate is movably mounted on the lead screw module, and the lead screw module is connected to the servo motor through the coupling. The servo motor is located within the space enclosed by the first fixed frame and the base plate.

[0017] Preferably, the control host is mounted on the base plate, and the control host includes a PLC, a display screen, indicator lights, a stop button, an emergency stop button, and a buzzer.

[0018] Preferably, a second fixing frame is provided on the base plate, the second fixing frame is arranged adjacent to the first fixing frame, the second fixing frame includes a second top plate and a second support column, a distance sensor is provided on the second top plate, and the second support column is connected to the base plate.

[0019] The beneficial effects of this utility model are as follows: This utility model provides a wire diameter full-circumference detection device. The upper and lower detection blocks can form an electrical connection when the inner walls of the two semi-annular cavities are in contact with each other, and the electrical connection is broken when a gap occurs in the inner wall due to the wire diameter exceeding the tolerance. Specifically, the standard circular hole detection cavity formed by the upper and lower detection blocks can fully cover the entire length of the wire in a single 360° detection. When the wire size exceeds the tolerance set by the detection cavity, the wire pushes up the upper detection block, creating a gap in the contacting inner wall, interrupting the signal of the continuity detector, and the PLC monitors the result. The signal is transmitted to the display screen, which shows a red light indicating a defect and a buzzer alarm, alerting the operator that the wire is unqualified. When the wire size does not exceed the tolerance set in the detection chamber, the inner walls of the upper and lower detection blocks are completely in contact, activating the detector to output a continuous signal to the PLC. The detection result is transmitted to the display screen, which shows a green light indicating a good product and the buzzer does not alarm, alerting the operator that the wire is qualified, thus improving the efficiency of wire detection. By adjusting the inner diameter of the semi-annular cavity of the upper and lower detection blocks and the guiding mechanism, it can accommodate wires of different diameters and surface conditions, increasing the flexibility of detection. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the present utility model;

[0021] Figure 2 This is a cross-sectional structural diagram of an embodiment of the present utility model;

[0022] Figure 3 This is a schematic diagram of the upper and lower detection blocks and the detection cavity in an embodiment of the present invention;

[0023] Figure 4 This is a cross-sectional structural diagram of the upper and lower detection blocks and the detection cavity in an embodiment of the present invention;

[0024] Figure 5 This is a top view of an embodiment of the present utility model;

[0025] The reference numerals in the accompanying drawings include:

[0026] Signal acquisition mechanism-1, upper detection block-11, fixing block-111, operating handle-112, lower detection block-12, insulating block-121, continuity detector-13, control host-14, display screen-141, indicator light-142, stop-143, emergency stop-144, buzzer-145, semi-circular cavity-15, detection cavity-16, wire pulling mechanism-2, wire clamp-21, fixing plate-22, sliding plate-221, transmission structure-23, lead screw module-231, coupling-232, servo motor-233, guide mechanism-3, U-shaped groove-31, first fixing frame-4, first top plate-41, first support column-42, wire placement plate-5, wire placement groove-51, bottom plate-6, sensor-61, second fixing frame-7, second top plate-71, distance sensor-711, second support column-72. Detailed Implementation

[0027] To make the above-mentioned objectives, features, and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model are described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a full understanding of this utility model. However, this utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this utility model. Therefore, this utility model is not limited to the specific embodiments disclosed below.

[0028] like Figures 1 to 5 The following is an embodiment of this application:

[0029] A wire diameter full-circumference detection device is provided, including a signal acquisition mechanism 1 and a wire pulling mechanism 2. The signal acquisition mechanism 1 includes an upper detection block 11, a lower detection block 12, a continuity detector 13, and a control host 14. In this embodiment, four sets of upper detection blocks 11, lower detection blocks 12, and continuity detectors 13 are equally spaced. Corresponding semi-annular cavities 15 are respectively provided on the opposite surfaces of the upper detection block 11 and the lower detection block 12. The two semi-annular cavities 15 that are joined together form a detection cavity 16 for the wire to pass through. The detection cavity 16 is a standard circular hole cavity design, which can detect the wire with 360° full coverage without dead angles. The upper detection block 11 and the lower detection block 12 can form electrical continuity when the inner walls of the two semi-annular cavities 15 are in contact with each other, and the electrical continuity is broken when the inner walls have gaps due to the wire diameter exceeding the tolerance.

[0030] The wire pulling mechanism 2 is used to uniformly pull the wire through the detection cavity 16 along the wire axis. The control host 14 is electrically connected to the continuity detector 13 and the wire pulling mechanism 2. It is used to determine whether the wire diameter is qualified based on the continuity of the continuity signal and to trigger an alarm when the signal is interrupted. That is, when the wire diameter does not exceed the tolerance set by the detection cavity 16, the wire passes through the detection cavity 16 at a uniform speed under the action of the wire pulling mechanism 2. The inner walls of the two half-annular cavities 15 of the upper detection block 11 and the lower detection block 12 fit together to form a passage. The continuity detector 13 outputs a continuous signal to the control host and automatically judges that the wire is qualified. When the wire diameter exceeds the tolerance set by the detection cavity 16, the wire passes through the detection cavity 16 at a uniform speed under the action of the wire pulling mechanism 2. The wire pushes up the upper detection block 11, and a gap is formed between the upper detection block 11 and the lower detection block 12, forming an open circuit. The signal of the continuity detector 13 is interrupted. The control host 14 receives the disconnected electrical signal and automatically judges that the wire is unqualified.

[0031] Furthermore, an insulating block 121 is provided on the lower detection block 12, which connects the two detection blocks simultaneously. In this embodiment, the insulating block 121 plays a role in establishing the path and breakage of electrical signals. The continuity detector 13 is provided on the two detection blocks to detect the path and breakage of electrical signals and outputs the continuity of the continuity signal to the control host 2 to determine whether the wire diameter is qualified. Guide mechanisms 3 are respectively provided at both ends of the detection cavity 16. The guide mechanism 3 is provided with a U-shaped groove 31, and the U-shaped groove 31 corresponds to the semi-annular cavity of the lower detection block 12. In the wire diameter detection operation, the U-shaped groove 31 plays a guiding role to ensure that the wire enters the detection cavity 16 in the center, which improves the accuracy of wire detection. In addition, the corresponding guide mechanism 3 can be replaced according to the diameter and surface condition of the wire to be detected, which increases the diversity and flexibility of detection.

[0032] In this embodiment, a fixing block 111 and an operating handle 112 are provided above the upper detection block 11. The fixing block 11 acts on the upper detection block 11. Without the need for an external driving device, the gravity of the fixing block 111 and the upper detection block 11 is used to achieve full circumferential contact between the opposing surfaces of the upper detection block 11 and the lower detection block 12, reducing the complexity of the mechanism. The operating handle 112 is connected to the fixing block 111, which facilitates the operator to open and close the detection cavity 16 during operation. A first fixing frame 4 is provided below the lower detection block 12. The first fixing frame 4 includes a first top plate 41 and a first support column 42. A wire placement plate 5 is provided on the upper surface of the first top plate 41, and a bottom plate 6 is provided below the first support column 42. A wire placement groove 51 is provided on the wire placement plate 5, which corresponds to the detection cavity 16 and is on the same horizontal plane as the semi-annular cavity of the lower detection block 12. The wire placement groove 51 plays a guiding role, ensuring that the wire moves on the corresponding track and enters the corresponding detection cavity 16, thereby improving the automation level of the detection device. In addition, the first fixing frame 4 and the wire placement plate 5 are both designed to ensure that the wire placement groove 51 is on the same horizontal plane as the semi-annular cavity of the lower detection block 12. If this purpose can be achieved, the first fixing frame 4 and the wire placement plate 5 can be other structures.

[0033] Furthermore, the wire pulling mechanism 2 includes a wire clamp 21, a fixing plate 22, and a transmission structure 23. The wire clamp 21 is disposed on the fixing plate 22 and is used to fix the wire. In this embodiment, four wire clamps 21 are equally spaced on the fixing plate 22, and one wire clamp 21 corresponds to one detection cavity 16. A sliding plate 221 is disposed below the fixing plate 22. The sliding plate 221 is connected to the transmission structure 23, and the transmission structure 23 is fixed to the base plate 6. The transmission structure 23 includes a lead screw mold. The system includes a screw assembly 231, a coupling 232, and a servo motor 233. The slide plate 221 is movably mounted on the lead screw assembly 231. The lead screw assembly 231 is connected to the servo motor 233 via the coupling 232. The servo motor 233 is located within the space enclosed by the first fixing frame 4 and the base plate 6. The control host 14 is mounted on the base plate 6. The control host 14 includes a PLC, a display screen 141, an indicator light 142, a stop button 143, an emergency stop button 144, and a buzzer 145. The working steps and principle of this testing device are as follows: Open the testing cavity 16, manually place the wire to be tested into the testing cavity 16, close the testing cavity 16, clamp one end of the wire to be tested with the wire clamp 21, and place the other end of the wire in the wire placement groove 51. Turn on the switch, and the servo motor 233 drives the lead screw module 231 to move. The wire passes through the testing cavity 16 at a uniform speed. The continuity detector 13 collects the electrical signal continuity status in real time. The PLC determines whether the wire diameter is qualified based on the signal continuity. When the wire diameter does not exceed the tolerance set in the testing cavity 16, the upper and lower testing blocks are completely in contact with the inner wall surfaces of the wire as it passes through the testing cavity 16. A circuit is formed, and the continuity detector 13 outputs a continuous signal to the PLC. The display screen 141 shows a good product, the indicator light 142 is green, and the buzzer 145 does not alarm, automatically determining that the wire diameter is qualified. When the wire diameter exceeds the tolerance set in the detection cavity 16, the wire pushes up the upper detection block 11 when it passes through the detection cavity 16, forming a gap between the upper and lower detection blocks. Under the action of the insulating block 121, an open circuit is formed, and the continuity detector 13 outputs an interrupt signal to the PLC. The PLC detects the result of the electrical signal being disconnected, the display screen 141 shows a defective product, the indicator light 142 is red, and the buzzer 145 alarms, automatically determining that the wire diameter is unqualified. In addition, this detection device is more flexible and versatile. It can perform directional detection on a specified section of the wire and can be moved by the servo motor 233. When the specified section moves to the standard round hole detection part, the product is detected and judged; when it is not in the specified section, no detection and judgment are performed.

[0034] Furthermore, a second fixing frame 7 is provided on the base plate 6, adjacent to the first fixing frame 4. The second fixing frame 7 includes a second top plate 71 and a second support column 72. A distance sensor 711 is provided on the second top plate 71, and the second support column 72 is connected to the base plate 6. In this embodiment, four distance sensors 711 are equally spaced on the second top plate 71. During the operation of the detection device, the distance sensors 711 are used to monitor other external conditions that may interfere with the operation. For example, if the operator's hand enters the operating area of ​​the detection device during operation, the distance sensor 711 will detect the external condition outside the operating area, and the device will stop operating, thus protecting the operator. In addition, in this embodiment, three sensors 61 are equally spaced on the base plate 6 to control the maximum, origin, and minimum values ​​of the lead screw module 231, preventing the lead screw module 231 from continuing to move beyond its working range, thereby providing protection.

[0035] In summary, the present invention provides a wire diameter full-circumference detection device. The upper and lower detection blocks align to form a standard circular hole detection cavity, which can detect the entire length of the wire in a single 360° full coverage test. The wire pulling mechanism pulls the wire through the detection cavity at a uniform speed. The continuity detector collects the electrical signal continuity status in real time. The PLC automatically judges whether the wire diameter is qualified based on the signal continuity, thus improving the detection efficiency of the wire. By adjusting the inner diameter and guide structure of the detection cavity, it can be compatible with wires of different diameters and surface conditions, increasing the diversity and flexibility of the detection.

[0036] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0037] The embodiments described above merely illustrate the implementation of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. A device for detecting the full circumference diameter of a wire, characterized in that: Includes signal acquisition mechanism and wire pulling mechanism; The signal acquisition mechanism includes an upper detection block, a lower detection block, a continuity detector, and a control host. The upper and lower detection blocks are respectively provided with corresponding semi-annular cavities on their opposite surfaces, and the two semi-annular cavities that fit together form a detection cavity for the wire to pass through. The upper and lower detection blocks can form an electrical connection when the inner walls of the two semi-annular cavities are in contact with each other, and the electrical connection is broken when a gap occurs in the inner wall due to the wire diameter exceeding the tolerance. The wire pulling mechanism is used to uniformly pull the wire through the detection cavity along the wire axis; The control host is electrically connected to the continuity detector and the wire pulling mechanism, and is used to determine whether the wire diameter is qualified based on the continuity of the continuity signal, and to trigger an alarm when the signal is interrupted.

2. The wire diameter full circumference detection device according to claim 1, characterized in that, An insulating block is provided on the lower detection block, and the insulating block connects the two detection blocks simultaneously. The continuity detector is located on the two detection blocks.

3. The wire diameter full circumference detection device according to claim 1, characterized in that, The detection cavity is provided with guide mechanisms at both ends, and the guide mechanisms are provided with U-shaped grooves, which correspond to the semi-annular cavity of the lower detection block.

4. The wire diameter full circumference detection device according to claim 3, characterized in that, A fixing block and an operating handle are provided above the upper detection block, and a first fixing frame is provided below the lower detection block. The first fixing frame includes a first top plate and a first support column. A wire placement plate is provided on the upper surface of the first top plate, and a bottom plate is provided below the first support column.

5. The wire diameter full circumference detection device according to claim 4, characterized in that, The wire placement plate is provided with a wire placement groove, which is set corresponding to the detection cavity and is on the same horizontal plane as the semi-annular cavity of the lower detection block.

6. The wire diameter full circumference detection device according to claim 4, characterized in that, The wire pulling mechanism includes a wire clamp, a fixing plate, and a transmission structure. The wire clamp is disposed on the fixing plate for fixing the wire. A sliding plate is disposed below the fixing plate. The sliding plate is connected to the transmission structure for transmission, and the transmission structure is fixed to the base plate.

7. The wire diameter full circumference detection device according to claim 6, characterized in that, The transmission structure includes a lead screw module, a coupling, and a servo motor. The slide plate is movably mounted on the lead screw module, and the lead screw module is connected to the servo motor through the coupling. The servo motor is located within the space enclosed by the first fixed frame and the base plate.

8. The wire diameter full circumference detection device according to claim 4, characterized in that, The control host is mounted on the base plate and includes a PLC, a display screen, indicator lights, a stop button, an emergency stop button, and a buzzer.

9. A wire diameter full circumference detection device according to claim 4, characterized in that, A second fixing frame is provided on the base plate, which is adjacent to the first fixing frame. The second fixing frame includes a second top plate and a second support column. A distance sensor is provided on the second top plate, and the second support column is connected to the base plate.

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