Harness vision detection equipment
Technical Field
The invention relates to the technical field of wire harness detection, in particular to wire harness visual detection equipment.
Background
A harness is a product of a set of wires and cables that connect together for connecting signals and power to and from a carrier device. The wire harness mainly comprises a wiring terminal and wires, and before the wire harness is used, a plurality of wires are required to be twisted into one strand, so that the use requirement of the wire harness is met. The wire twisting machine is a mechanical device capable of twisting wire bodies together.
At present, in the wire twisting process, the wire harness may have the problems that a single wire harness is damaged, an insulating layer is defective, foreign matter is polluted, positioning is wrong or identification is wrong, and the quality of the final twisted wire is affected.
Disclosure of Invention
The invention aims to provide a harness visual detection device, which aims to solve the problem that the detectability of the visual detection device is low in the existing harness stranded wire process.
The invention discloses wire harness visual detection equipment which comprises a wire stranding support frame and a wire stranding machine head, wherein the wire stranding support frame and the wire stranding machine head are fixed through a connecting bracket, a reel is rotatably arranged in the wire stranding support frame, the reel and the wire stranding machine head are coaxially arranged, a limiting ring is fixed on one side, close to the wire stranding machine head, of the wire stranding support frame, and a driving motor is arranged on the wire stranding support frame and is used for driving the wire stranding machine to rotate;
The wire twisting machine comprises a wire twisting machine head, a wire twisting wheel, a wire twisting assembly, a limiting ring, a detection assembly and a wire twisting assembly, wherein the wire twisting wheel is internally and evenly distributed provided with the wire twisting assembly, the wire twisting assembly is used for fixing and pulling a wire harness, the tail end of the wire harness penetrates through the wire twisting machine head, the wire harnesses pass through the limiting ring, the wire harnesses rotate reversely along the wire twisting wheel while rotating along the wire twisting wheel in the circumferential direction, the detection assembly is further arranged in the wire twisting wheel in a centered mode, and the detection assembly is used for detecting the wire harnesses in the direction of the wire twisting machine head.
Preferably, a driving ring is arranged on the inner wall of the reel, the lead assembly comprises a guide cylinder, and one side of the guide cylinder is connected with the inner wall of the driving ring;
the inside bearing of guide cylinder is connected with the rotary drum, the tip of rotary drum runs through and extends to the outside of guide cylinder, and the rotary drum is located the outside one end of guide cylinder and is provided with the holder.
Preferably, the end of the guide cylinder and one side of the rotary cylinder are both provided with retaining plates, the two retaining plates are distributed on two sides of the lead assembly, and an arc-shaped reset spring is arranged between the two retaining plates.
Preferably, the inner wall of the limiting ring is uniformly distributed with driving teeth corresponding to the lead assembly, and the surface of the rotary drum is provided with transmission teeth meshed with the driving teeth.
Preferably, the clamping piece comprises two groups of sleeves, the sleeves are distributed on two sides of the guide cylinder, the inside of each sleeve is provided with a force application spring and an extrusion rod, and the end part of each extrusion rod penetrates through and extends to the inside of the guide cylinder and is provided with the clamping frame.
Preferably, the clamping frame is C-shaped, the inner bearing of the clamping frame is connected with a rotating shaft, the clamping head is sleeved on the rotating shaft, and the section of the clamping head is in a funnel-shaped arrangement.
Preferably, the chuck is made of hard rubber.
Preferably, the detection assembly comprises a connecting ring arranged on the inner side of the reel, a mounting frame is fixed on the inner wall of the connecting ring, an inserting cylinder is arranged through the mounting frame, and a control device and a probe are respectively inserted and fixed in the inserting cylinder;
the control device comprises a PLC and a power supply, wherein a communication module is integrated on the PLC, and the control device is electrically connected with the probe.
The invention discloses a visual detection device for a wire harness, which has the beneficial effects that:
1. the detection assembly is arranged in front of the stranding machine head and is used for detecting a plurality of wire harnesses in the direction of the stranding machine head, the detection assembly synchronously performs simultaneous image acquisition on the plurality of wire harnesses which are close to the stranding machine head and turn over for one circle, and different wire harnesses are observed simultaneously from multiple angles, so that the detection degree is high.
2. The wire harness before stranded wires is turned over for one circle, a plurality of angles can be completed through a single probe to observe a plurality of wire harnesses simultaneously, the situation that the surface of the stranded wire harnesses is observed without dead angles is guaranteed, meanwhile, structural stress of cables can be reduced due to the fact that each wire harness rotates in the opposite direction of the stranded wires, electromagnetic interference among the cables can offset each other, accordingly risks of signal interference and crosstalk are reduced, softness and fatigue resistance of the wire harnesses can be improved on the other hand, the wire harnesses rotate to enable the cables to have better softness and bending performance, more complex installation environments can be adapted, fatigue resistance of the cables is improved, service life of the cables is prolonged, mechanical strength of the cables can be improved, the strands are mutually interwoven to form a tighter structure, mechanical strength and tensile strength of the whole wire harness are improved, and risks that the cables are damaged or broken are reduced.
Drawings
Fig. 1 is a schematic front view of a harness vision detecting apparatus provided by an embodiment of the present invention;
fig. 2 is a schematic rear view of a harness vision detecting apparatus according to an embodiment of the present invention;
Fig. 3 is a schematic side view of a visual inspection apparatus for wire harness according to an embodiment of the present invention;
Fig. 4 is a schematic front view of a lead assembly of a wire harness vision inspection device according to an embodiment of the present invention;
fig. 5 is a schematic rear view of a lead assembly of a wire harness vision inspection apparatus provided in an embodiment of the present invention;
Fig. 6 is a schematic sectional view of a wire harness vision detecting apparatus according to an embodiment of the present invention, in a cross-sectional view in an arrow direction A-A in fig. 5.
Legend description:
1. stranded wire supporting frames; 2. a reel; 3. a driving motor; 4. a lead assembly; 5. a confinement ring; 6. a detection assembly; 7. wire twisting machine head;
11. A connecting bracket;
41. a guide cylinder; 42. a rotating drum; 43. a drive ring; 44. a return spring; 45. a retaining plate; 46. a clamping member;
421. A drive tooth;
461. a sleeve; 462. a force spring; 463. an extrusion rod; 464. a clamping frame; 465. a rotating shaft; 466. a chuck;
51. A drive tooth;
61. A probe; 62. a control device; 63. a connecting ring; 64. a mounting frame; 65. a plug-in cylinder.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present invention, it should be understood that, if there is an azimuth or positional relationship indicated by terms such as "upper", "lower", "left", "right", etc., based on the azimuth or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not indicated or implied that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus terms describing the positional relationship in the drawings are merely illustrative and should not be construed as limiting the present invention, and specific meanings of the terms described above may be understood by those of ordinary skill in the art according to specific circumstances.
The implementation of the present invention will be described in detail below with reference to specific embodiments.
In this embodiment:
referring to fig. 1-3, a preferred embodiment of the present invention is provided.
The wire harness visual detection device comprises a wire stranding support frame 1 and a wire stranding machine head 7, wherein the wire stranding support frame 1 and the wire stranding machine head 7 are fixed through a connecting support 11, a reel 2 is rotatably arranged in the wire stranding support frame 1, the reel 2 and the wire stranding machine head 7 are coaxially arranged, a limiting ring 5 is fixed on one side, close to the wire stranding machine head 7, of the wire stranding support frame 1, a driving motor 3 is arranged on the wire stranding support frame 1, and the driving motor 3 is used for driving the reel 2 to rotate;
The wire harness detection device is characterized in that a plurality of wire lead assemblies 4 are uniformly distributed and installed in the circumference of the inside of the winch 2, the wire lead assemblies 4 are used for fixing and pulling wire harnesses, the tail ends of the wire harnesses penetrate through the wire stranding machine head 7, wire harness penetrating into the wire stranding machine head 7 is used for conducting wire stranding operation, a plurality of wire harnesses pass through the limiting ring 5, the wire harnesses rotate in the circumference of the winch 2 and reversely rotate along the winch 2, the wire harnesses can turn around before stranding, a detection assembly 6 is further installed in the inside of the winch 2 in a centered mode, the detection assembly 6 is used for detecting a plurality of wire harnesses in the direction of the wire stranding machine head 7, simultaneous image acquisition is conducted on the wire harnesses which are close to the wire stranding machine head 7 in a turned-around mode through the detection assembly 6, simultaneous observation is conducted on different wire harnesses from a plurality of angles, and the detection measurement can be conducted.
Referring to fig. 4-5, a driving ring 43 is mounted on the inner wall of the reel 2, the lead assembly 4 comprises a guide cylinder 41, one side of the guide cylinder 41 is connected with the inner wall of the driving ring 43, a rotary cylinder 42 is connected with an inner bearing of the guide cylinder 41, the end part of the rotary cylinder 42 penetrates through and extends to the outside of the guide cylinder 41, a clamping piece 46 is arranged at one end of the rotary cylinder 42 positioned outside the guide cylinder 41, and the wire harness is clamped by the clamping piece 46 and extends into the wire twisting machine head 7 through the guide cylinder 41 and the rotary cylinder 42;
In order to achieve the above-mentioned functions of clamping, guiding and rotating the wire harness, the clamping member 46 includes two groups of sleeves 461, the sleeves 461 are distributed on two sides of the guide cylinder 41, and the interior of each sleeve 461 is provided with a force-applying spring 462 and a pressing rod 463, the end of each pressing rod 463 penetrates through and extends to the interior of the guide cylinder 41, and is provided with a clamping frame 464, the clamping frame 464 is C-shaped, an internal bearing of the clamping frame 464 is connected with a rotating shaft 465, and a collet 466 is sleeved and connected with the rotating shaft 465, the cross section of the collet 466 is funnel-shaped, and the collet 466 is made of hard rubber, so that when the wire harness passes through the collet 466 arranged in two groups of funnel rows, the collet 466 can pull the wire harness through the rotating shaft 465, and when the clamping member 46 rotates along with the rotating cylinder 42, the wire harness can be overturned together;
Further, the detection assembly 6 includes a connection ring 63 disposed inside the reel 2, a mounting frame 64 is fixed on an inner wall of the connection ring 63, a socket tube 65 is disposed through the mounting frame 64, a control device 62 and a probe 61 are respectively inserted and fixed inside the socket tube 65, the control device 62 includes a PLC and a power supply, a communication module is integrated on the PLC, the control device 62 is electrically connected with the probe 61, a command is generated to the PLC of the detection assembly 6 through the communication module, real-time control of the probe 61 is realized through PLC programming, and then a multi-azimuth image of a wire harness in front of the wire stranding machine head 7 can be transmitted back to a terminal in real time in a wire stranding process, so that an operator or a terminal system can complete detection operation;
It should be noted that, referring to fig. 6, in order to implement that the drum 42 drives the clamping member 46 to implement rotation, the inner wall of the limiting ring 5 is uniformly distributed with driving teeth 51 corresponding to the lead assembly 4, the surface of the drum 42 is provided with driving teeth 421 meshed with the driving teeth 51, in the process that the drum 42 rotates circumferentially along with the reel 2, the driving teeth 421 meshed with the surface of the drum 42 are utilized to further drive the drum 42 to reversely rotate, while the end of the guide drum 41 and one side of the drum 42 are provided with retaining plates 45, the two retaining plates 45 are distributed on two sides of the lead assembly 4, and a reset spring 44 disposed in an arc shape is installed between the two retaining plates 45, in the process that the drum 42 rotates, the reset spring 44 is compressed by the retaining plates 45, once the drum 42 rotates until the driving teeth are separated from the driving teeth 51, in the process, the drum 42 is pushed by the reset spring 44, in the process that a plurality of wire bundles rotate along with the reel 2 and are implemented by the wire strands 7, and in the process that the drum 42 is pushed by the wire strands enter the head 7 reversely and the wire strands are reversely rotated, and the wire strands are prevented from being damaged by the wire strands when the wire strands are reversely turned over and the wire strands are restored.
The detection assembly 6 is arranged in front of the stranding machine head 7 and is used for detecting a plurality of wire harnesses in the direction of the stranding machine head 7, the detection assembly 6 synchronously performs simultaneous image acquisition on the plurality of wire harnesses which are close to the stranding machine head 7 and turn over for one circle, and different wire harnesses are observed at the same time from a plurality of angles, so that the detection degree is high;
The wire harness before stranded wires is turned over for one circle, a plurality of angles can be completed through the single probe 61 to observe a plurality of wire harnesses simultaneously, the situation that the surface of the stranded wire harnesses is observed without dead angles is guaranteed, meanwhile, structural stress of cables can be reduced due to the fact that each wire harness rotates in the opposite direction of the stranded wire, electromagnetic interference among the cables can offset each other, accordingly risks of signal interference and crosstalk are reduced, softness and fatigue resistance of the wire harnesses can be improved on the other hand, the cables are enabled to have better softness and bending performance due to wire harness rotation, more complex installation environments can be adapted, fatigue resistance of the cables is improved, service life of the cables is prolonged, mechanical strength of the cables can be increased, the stranded wire harnesses are interwoven with each other to form a tighter structure, mechanical strength and tensile strength of the whole wire harness are improved, and risks that the cables are damaged or broken are reduced.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.