Aviation wire processing equipment and processing method based on laser marking

Abstract

The invention relates to the technical field of aviation cable manufacturing, and discloses aviation wire processing equipment based on laser marking and a processing method.The aviation wire processing equipment comprises a laser marking machine cabinet and an industrial personal computer, a laser marking body is arranged on the laser marking machine cabinet, and a wire clamping assembly and a wire positioning assembly are arranged on the two sides of the laser marking body; an appearance detection sensor is arranged at the front end of the wire clamping assembly, the laser marking body, the wire clamping assembly, the wire positioning assembly and the appearance detection sensor are all electrically connected with an industrial personal computer, and a control program is preset in the industrial personal computer to control related parts to perform corresponding actions. The technical problems that according to a traditional aviation wire marking method, falling off is prone to occurring, and handwriting is fuzzy are solved, and wire marks machined through the equipment are durable, not prone to abrasion or color fading or falling off and reliable in long-term use in the aviation field.

Description

Technical Field

[0001] The present invention belongs to the technical field of aviation cable manufacturing, and specifically relates to aviation wire processing equipment and a processing method based on laser marking. Background Art

[0002] In order to ensure the correctness of the cable connection relationship on the aircraft and reduce the safety risks caused by incorrect connection, it is necessary to mark the wire number on each wire in the aviation wiring harness. The previous marking method was to print the wire number on the wire number tube in advance, and then heat shrink the heat shrink tube with the wire number written on it on the outside of each wire. However, after long-term use, the writing is blurred or falls off.

[0003] Laser marking can provide precise wire number marking, ensuring the clarity and readability of the mark. Laser marking is durable and will not wear, fade or fall off, and remains reliable in long-term use in the aviation field. Laser marking can adapt to cables of various materials, including cables of different hardness and shapes.

[0004] Therefore, it is necessary to develop an aviation wire processing equipment based on laser marking to solve the above problems. Summary of the invention

[0005] The invention provides an aviation wire processing device and a processing method based on laser marking to solve the problem that the traditional marking method for aviation wires is easy to fall off and the handwriting is blurred.

[0006] The technical solution of the present invention is achieved in this way:

[0007] An aviation wire processing equipment based on laser marking comprises: a laser marking cabinet and an industrial computer, wherein a laser marking body is arranged on the laser marking cabinet, a wire clamping assembly and a wire positioning assembly are arranged on both sides of the laser marking body, an appearance detection sensor is arranged at the front end of the wire clamping assembly, the laser marking body, the wire clamping assembly, the wire positioning assembly and the appearance detection sensor are all electrically connected to the industrial computer, and a control program is preset in the industrial computer to control related components to perform corresponding actions.

[0008] As a further solution of the present invention: a shearing mechanism is also provided at the output end of the wire positioning assembly, the shearing mechanism comprises a cutter and a cylinder, the cylinder is electrically connected to the industrial computer to control the cutter to cut the wire to a fixed length.

[0009] As a further solution of the present invention: the laser marking body is installed on a lifter, and the lifter is electrically connected to the industrial computer to control the laser marking body to move up and down.

[0010] As a further solution of the present invention: the laser marking body is internally equipped with a high-precision galvanometer and a high-stability optical transmission system, and the output power is adjusted by the industrial computer.

[0011] As a further solution of the present invention: the wire clamping assembly includes a plurality of staggered synchronous pulleys, and the industrial computer utilizes a servo motor to synchronously drive the upper and lower traction synchronous pulley groups through a transmission mechanism to clamp the wire and rotate to drive the wire forward.

[0012] As a further solution of the present invention: the wire positioning assembly includes two symmetrically arranged positioning members, the positioning members are composed of three positioning wheels and a synchronous belt, the three positioning wheels are arranged in a triangle, and the synchronous belt is arranged around the outer rings of the three positioning wheels.

[0013] As a further solution of the present invention: the positioning member includes a tensioning wheel, which is arranged between the two positioning wheels and contacts the synchronous belt.

[0014] As a further solution of the present invention: a limiting groove is further provided at the input end of the wire positioning assembly, and a limiting strip is provided at the upper end of the limiting groove.

[0015] A method for processing aviation wires based on laser marking, using the above processing equipment, comprises the following steps:

[0016] Start the machine;

[0017] Signal acquisition: The appearance detection sensor collects the appearance information of the wire, converts the analog-to-digital signal into an electrical signal and transmits it to the industrial computer;

[0018] Signal processing: The industrial computer analyzes and processes the electrical signals, generates control instructions according to the wire specifications, and sends them to the wire clamping component and the wire positioning component to control them to perform corresponding actions on the wire;

[0019] Laser marking: According to the wire specifications, the industrial computer sends control instructions to the lifter and the laser marking body, moves the laser marking body to the appropriate position through the lifter, and adjusts the output power of the laser marking body to laser mark the wire;

[0020] Cutting: When the wire reaches the required length after laser marking, the industrial computer sends a control command to the cutting mechanism to cut the wire.

[0021] As a further solution of the present invention, it also includes an alarm step: when the industrial computer determines that the appearance of the wire is unqualified, the subsequent components are stopped and an alarm is sounded.

[0022] The beneficial effects of this application are:

[0023] 1. This application scheme realizes the automatic marking of aviation wires, effectively improving production efficiency.

[0024] 2. The wire marker processed by the present application scheme is durable and not easy to wear, fade or fall off, and remains reliable in long-term use in the aviation field.

[0025] 3. Laser marking can adapt to cables of various materials, including cables of different hardness and shapes. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the aviation wire processing equipment based on laser marking of the present invention.

[0027] The reference numerals in the drawings are: laser marking body 2, lifter 3, wire clamping assembly 4, wire positioning assembly 5, appearance detection sensor 6, cutter 7, cylinder 8, industrial computer 9. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, rather than all of the embodiments. The components of the embodiments of the present invention generally described and shown in the drawings herein can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0029] Figure 1 It is a schematic diagram for explaining an embodiment of the aviation wire processing equipment and processing method based on laser marking of the present invention. By adopting laser marking technology, the wire numbers of various aviation wires such as single-core wires, single-core shielded wires, and double / triple twisted shielded wires can be automatically marked, and the marking is clear and does not damage the wires. The detector of the present invention has high sensitivity and no contact with the wires. It can monitor the knotting and joints of the wires during the transmission of the wires, and effectively monitor the damage defects of the wires, effectively improve the production efficiency, and reduce rework inspection.

[0030] In the first aspect, the present invention provides an aviation wire processing equipment based on laser marking, which includes a laser marking cabinet and an industrial computer 9, wherein a laser marking body 2 is provided on the laser marking cabinet, and a wire clamping assembly 4 and a wire positioning assembly 5 are provided on both sides of the laser marking body 2, and an appearance detection sensor 6 is provided at the front end of the wire clamping assembly 4, and the appearance detection sensor 6 is installed at the wire entrance to monitor the wire knotting and twisting conditions, and is controlled by the detection software of the industrial computer 9, and the program is automatically loaded according to different wire types. The laser marking body 2, the wire clamping assembly 4, the wire positioning assembly 5 and the appearance detection sensor 6 are all electrically connected to the industrial computer 9, and the industrial computer 9 is preset with a control program to control the relevant components to perform corresponding actions. The industrial computer 9 is configured with marking software, detection software and motion control software to control the operation of various components such as the laser marking body 2, the lifter 3, the wire clamping assembly 4, the wire positioning assembly 5, the appearance detection sensor 6, the cutter 7, the cylinder 8, etc.

[0031] Among them, the laser marking cabinet is a protective cover for the entire machine, and the laser marking body 2, lifter 3, wire clamping assembly 4, wire positioning assembly 5, appearance detection sensor 6, cutter 7, cylinder 8 and other components are all inside it, providing internal work protection and external personnel safety.

[0032] A shearing mechanism is also provided at the output end of the wire positioning assembly 5, and the shearing mechanism includes a cutter 7 and a cylinder 8. The cylinder 8 is electrically connected to the industrial computer 9 to control the cutter 7 to cut the wire to a fixed length. The upper and lower cutters 7 are linked to the center cutting to achieve the cutting of the wires in the full diameter range of 0.38mm to 1.94mm. The cylinder 8 is connected to an external air source to provide air pressure driving power to the upper and lower cutters 7.

[0033] The laser marking body 2 is installed on a lifter 3, and the lifter 3 is electrically connected to the industrial computer 9 to control the up and down movement of the laser marking body 2. The laser marking body 2 is equipped with a high-precision galvanometer and a high-stability optical transmission system. Based on the wire gauge and the surface material, the ultraviolet laser output power of the laser marking is adjusted by the marking software of the industrial computer 9, and the wire surface is quickly marked by laser etching. The lifter 3 is controlled by the motion control software of the industrial computer 9. According to the diameter of the wire gauge, the laser marking body 2 is driven to move by up and down movement, and the laser focus of the laser marking body 2 is adjusted so that it can complete laser marking on wires of different wire gauges.

[0034] The wire clamping assembly 4 includes a plurality of staggered synchronous pulleys. The industrial computer 9 uses a servo motor to synchronously drive the upper and lower traction synchronous pulley groups through a transmission mechanism to clamp the wire, and rotate to drive the wire forward and calculate the length.

[0035] The wire positioning assembly 5 includes two symmetrically arranged positioning members, the positioning members are composed of three positioning wheels and a synchronous belt, the three positioning wheels are arranged in a triangle, and the synchronous belt is arranged around the outer rings of the three positioning wheels. The positioning member includes a tensioning wheel, the tensioning wheel is arranged between the two positioning wheels and contacts the synchronous belt. A limiting groove is also provided at the input end of the wire positioning assembly 5, and a limiting strip is provided at the upper end of the limiting groove. It is convenient for the wire routing to ensure that wires of different specifications pass smoothly and will not slip out of the marking area.

[0036] In a second aspect, the present invention provides an aviation wire processing method based on laser marking, using the above-mentioned processing equipment, which includes the following steps:

[0037] Start the machine;

[0038] Signal acquisition: the appearance detection sensor 6 collects the appearance information of the wire, converts the analog-to-digital signal into an electrical signal and transmits it to the industrial computer 9;

[0039] Signal processing: The industrial computer 9 analyzes and processes the electrical signal, generates a control instruction according to the wire specification, and sends it to the wire clamping component 4 and the wire positioning component 5 to control them to perform corresponding actions on the wire;

[0040] Laser marking: according to the wire specifications, the industrial computer 9 sends control instructions to the lifter 3 and the laser marking body 2, moves the laser marking body 2 to a suitable position through the lifter 3, and adjusts the output power of the laser marking body 2 to perform laser marking on the wire;

[0041] Cutting: After the wire after laser marking reaches the required length, the industrial computer 9 sends a control instruction to the shearing mechanism to cut the wire.

[0042] Alarm: When the industrial computer 9 determines that the appearance of the wire is unqualified, the subsequent components will stop moving and an alarm will be sounded.

[0043] The specific workflow is:

[0044] The appearance detection sensor 6 collects the appearance information of the wire and transmits it to the industrial computer 9. The industrial computer 9 processes the information, adjusts the wire clamping component 4 and the wire positioning component 5 according to the wire specifications, clamps and positions the wire, and then controls the laser marking body 2 to adjust the output power for marking. After the marking is completed, it enters the shearing mechanism for fixed-length cutting, and finally obtains the required wire. When the industrial computer 9 determines that the appearance of the wire is unqualified, it stops the subsequent component action and alarms, notifies the staff to replace the wire, and improves the qualified rate of the finished product.

[0045] So far, the purpose of the present invention has been achieved.

[0046] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An aviation wire processing device based on laser marking, characterized in that: include: A laser marking cabinet and an industrial computer, wherein a laser marking body is arranged on the laser marking cabinet, a wire clamping assembly and a wire positioning assembly are arranged on both sides of the laser marking body, an appearance detection sensor is arranged at the front end of the wire clamping assembly, the laser marking body, the wire clamping assembly, the wire positioning assembly and the appearance detection sensor are all electrically connected to the industrial computer, and a control program is preset in the industrial computer to control related components to perform corresponding actions.

2. The laser marking-based aviation wire processing equipment according to claim 1, characterized in that: A shearing mechanism is also provided at the output end of the wire positioning assembly. The shearing mechanism comprises a cutter and a cylinder. The cylinder is electrically connected to the industrial computer to control the cutter to cut the wire to a fixed length.

3. The laser marking-based aviation wire processing equipment according to claim 2, characterized in that: The laser marking body is installed on a lifter, and the lifter is electrically connected to the industrial computer to control the laser marking body to move up and down.

4. The laser marking-based aviation wire processing equipment according to claim 3, characterized in that: The laser marking body is equipped with a high-precision galvanometer and a high-stability optical transmission system, and the output power is adjusted by the industrial computer.

5. The laser marking-based aviation wire processing equipment according to claim 4, characterized in that: The wire clamping assembly includes a plurality of synchronous belt wheels arranged in a staggered manner. The industrial computer uses a servo motor to synchronously drive the upper and lower traction synchronous belt wheel groups through a transmission mechanism to clamp the wire and rotate to drive the wire forward.

6. The laser marking-based aviation wire processing equipment according to claim 5, characterized in that: The wire positioning assembly comprises two symmetrically arranged positioning members, the positioning members are composed of three positioning wheels and a synchronous belt, the three positioning wheels are arranged in a triangle, and the synchronous belt is arranged around the outer rings of the three positioning wheels.

7. The laser marking-based aviation wire processing equipment according to claim 6, characterized in that: The positioning member comprises a tensioning wheel, which is arranged between the two positioning wheels and contacts the synchronous belt.

8. The laser marking-based aviation wire processing equipment according to claim 7, characterized in that: A limiting groove is also provided at the input end of the wire positioning component, and a limiting strip is provided at the upper end of the limiting groove.

9. A method for processing aviation wires based on laser marking, using the processing equipment described in claim 8, characterized in that: The steps include: Start the machine; Signal acquisition: The appearance detection sensor collects the appearance information of the wire, converts the analog-to-digital signal into an electrical signal and transmits it to the industrial computer; Signal processing: The industrial computer analyzes and processes the electrical signals, generates control instructions according to the wire specifications, and sends them to the wire clamping component and the wire positioning component to control them to perform corresponding actions on the wire; Laser marking: According to the wire specifications, the industrial computer sends control instructions to the lifter and the laser marking body, moves the laser marking body to the appropriate position through the lifter, and adjusts the output power of the laser marking body to laser mark the wire; Cutting: When the wire reaches the required length after laser marking, the industrial computer sends a control command to the cutting mechanism to cut the wire.

10. The method for processing aviation wires based on laser marking according to claim 9, characterized in that: It also includes an alarm step: when the industrial computer determines that the appearance of the wire is unqualified, the subsequent components are stopped and an alarm is sounded.

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