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Gas-protection precision cold welding system with intermittent demagnetizing cooling device

A technology of cooling device and gas protection, applied in the direction of cooling electrodes, welding equipment, resistance welding equipment, etc., can solve the problems of poor applicability, heavy weight, complex structure, etc., and achieve the effect of improving the consistency of welding quality

Pending Publication Date: 2018-06-29
NINGXIA WUZHONG HAOYUN WELDER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Adding a traditional compressor refrigeration system means adding a liquid circuit system to the air protection device of the cold welding machine, which has a complex structure and heavy weight, and poor applicability

Method used

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  • Gas-protection precision cold welding system with intermittent demagnetizing cooling device
  • Gas-protection precision cold welding system with intermittent demagnetizing cooling device
  • Gas-protection precision cold welding system with intermittent demagnetizing cooling device

Examples

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Effect test

specific Embodiment 1

[0026] Specific embodiment one: a gas-shielded precision cold welding system with an intermittent demagnetization cooling device, including: a cooling piston cylinder 1 assembly and a cold welding electrode assembly.

[0027] Among them, the cooling piston cylinder 1 assembly includes a cooling piston cylinder 1, a magnetic cooling core 2, a magnetic cooling core driving coil group 3, a cold end piston 4, a hot end piston 5, and a magnetic cooling core fastening screw 6; the cooling piston cylinder 1 is a cylinder Shaped ceramic tube, its side from left to right according to open cold exhaust hole, air intake hole, hot exhaust hole; The air inlet fits together and is located between the cold exhaust hole and the hot exhaust hole; the magnetic cooling core fastening screw 6 passes through the cooling piston cylinder 1 cylinder wall and connects with the magnetic cooling core 2, and the magnetic cooling core 2 is tightened by the magnetic cooling core. The solid screw 6 is fixed...

specific Embodiment 2

[0029] Specific embodiment 2: a gas-shielded precision cold welding system with an intermittent demagnetization cooling device, including: a cooling piston cylinder 1 assembly and a cold welding electrode assembly.

[0030] Among them, the cooling piston cylinder 1 assembly includes the cooling piston cylinder 1, the magnetic cooling core 2, the magnetic cooling core drive coil group 3, the cold end piston 4, and the hot end piston 5; the cooling piston cylinder 1 is a cylindrical ceramic tube, and its side is from the left To the right, open the cold exhaust hole, the air intake hole, and the hot exhaust hole; Between the exhaust hole and the hot exhaust hole; the piston cylinder is composed of left and right parts connected, the connection is located at one end of the magnetic cooling core 2, and the piston cylinder is provided with a magnetic cooling core slot 7 at the magnetic cooling core 2; the magnetic cooling core drives The coil group 3 is wound and installed in the a...

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Abstract

The invention relates to the technical field of a cold welding machine, in particular to a gas-protection precision cold welding system with an intermittent demagnetizing cooling device. the gas-protection precision cold welding system comprises a cooling piston cylinder, a magnetic cold core, a magnetic cold core driving coil group, a cold end piston and a hot end piston, wherein the cooling piston cylinder is a cylindrical ceramic tube, and a cold exhaust hole, an air inlet hole and a hot exhaust hole are formed in the side face of the cooling piston cylinder from left to right in order; themagnetic cold core is a loose and porous paramagnetic material cylinder and is arranged at the center of the cooling piston cylinder, and the magnetic cold core driving coil group is twined on the area, corresponding to the magnetic cold core, of the outer side of the middle segment of the cooling piston cylinder; and the cold end piston is arranged on the left side of the cooling piston cylinder, and the hot end piston is arranged on the right side of the cooling piston cylinder. As a design of protecting-gas magnetic refrigeration is added, under the condition of refrigeration without adding a liquid channel and adopting a compressor, the gas-protection precision cold welding system realizes constant-temperature control for precision cold welding workpieces and improves the consistencyof welding quality of precision cold welding.

Description

Technical field: [0001] The invention relates to the technical field of cold welding machines. Background technique: [0002] Precision cold welding equipment is widely used in machining and maintenance work, using charging capacitors, with 10 -3 ~10 -1 second period, 10 -6 ~10 -5 The ultra-short time discharge within 1 second can instantly heat the contact part between the electrode material and the workpiece to 8,000-10,000 degrees Celsius, so that the welding material can diffuse and infiltrate into the base metal, forming a diffusion layer to achieve high-strength bonding, and can repair cracks on the surface of metals and castings , pits, wear, scratches, pores, trachoma and other surface defects. [0003] Precision cold welding equipment has the advantage of small heat-affected area because the discharge time is extremely short compared with the next discharge interval, the heat will diffuse through the workpiece substrate, and the processing part will not generate...

Claims

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Application Information

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IPC IPC(8): B23K11/00B23K11/30B23K11/36
CPCB23K11/00B23K11/3054B23K11/36Y02B30/00
Inventor 周银耿桂宏郭风忠杨旭英马东代培培秦春杨晓燕周梦醒闵辉王文红邵华
Owner NINGXIA WUZHONG HAOYUN WELDER
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