High-frequency induction laser composite welding device for sleeving of hollow copper pipe
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A hollow copper tube, composite welding technology, applied in other manufacturing equipment/tools, manufacturing tools and other directions, can solve the problems of cumbersome process, increase in cost, limit the application of laser welding, etc., achieve simple process, low cost, and ensure overall strength. The effect of mechanical properties
Active Publication Date: 2018-08-24
滁州科达利管业有限公司
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However, for the lap welding of socket pipes, since the welding structure itself requires sufficient welding area to ensure the overall strength and mechanical properties of socket joints, single-pass laser welding cannot meet the requirements, and multiple passes of surfacing welding are required, which makes the process cumbersome , cost increases, limiting the application of laser welding in this field
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[0052] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.
[0053] The present invention provides a high-frequency induction laser composite welding method for socketing hollow copper tubes, which is used for socketing and assembling both sides of a hollow copper tube 1201 with a hollow copper core 1202 with a slightly smaller diameter and sealingly welding the hollow copper core 1202, The workpiece 12 is formed. The method specifically includes the following steps:
[0054] (1) clamping hollow copper pipe 1201;
[0055] (2) Insert one end of the hollow copper core 1202 into the hollow copper tube 1201, and the gap between the two is matched, the gap value is 0.01 mm to 0.3 mm, and the socket length is 2 mm to 10 mm;
[0056] (3) A high-frequency induction heating coil is arranged under the socket section of the hollow copper core 1202 and the hollow copper tube 1201, and the shape and size ...
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Abstract
The invention provides a high-frequency induction laser composite welding device for sleeving of a hollow copper pipe. The device comprises a worktable, and further comprises a clamping rotating assembly, a loading assembly, a rotary taking assembly, a high-frequency induction heating assembly, a pneumatic shear assembly, a laser welding assembly, a straightener assembly, a copper core supportingassembly, an extrusion wheel assembly and a hopper, all of which are arranged on the worktable; the clamping rotating assembly comprises a servo motor, a motor support, a flange, a three-jaw air cylinder, and gas jaw fingers; the servo motor is arranged on the worktable through the motor support, the three-jaw air cylinder is matched with the servo motor through the flange to achieve coaxial assembling, the gas jaw fingers are arranged on the three-jaw air cylinder, and the gas jaw fingers and the three-jaw air cylinder form a clamping structure used for clamping the hollow copper pipe. According to the device, full-automatic loading, discharging, sleeving assembling, shearing and high-frequency induction laser composite welding machining of a hollow copper pipe-hollow copper core can be achieved, repeatability of the welding process quality is ensured, production efficiency is greatly improved, and production cost is reduced.
Description
[0001] This application is a divisional application with the application number 201710015356.6, the application date is 2017-01-10, and the name is "A High-frequency Induction Laser Hybrid Welding Method and Device for Socketing Hollow Copper Tubes". technical field [0002] The invention belongs to the field of industrial automation, and in particular relates to a high-frequency induction laser composite welding method and device for socketing hollow copper pipes. Background technique [0003] With the technical development of the air conditioning and refrigeration industry and the further strict control of environmental protection regulations, improving the heat transfer coefficient of the heat exchange unit itself is the key to improving the overall heat transfer performance of the heat exchanger and making up for the refrigeration performance caused by the replacement refrigerant itself. Necessary means of reducing. Based on the problem of cooling performance degradation...
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