Welding head with high efficiency and long life

A long-life, soldering iron tip technology, applied in the direction of soldering iron, metal processing equipment, manufacturing tools, etc., can solve the problems of short service life, poor heat conduction effect, etc., and achieve the effect of increased life, good heat conduction effect, and improved heat transfer efficiency

Inactive Publication Date: 2005-11-02
刘洋 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the technical problems of poor heat conduction effect and short service life in the prior art, the present invention provides a high-efficiency and long-life soldering iron tip with good heat conduction effect

Method used

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  • Welding head with high efficiency and long life
  • Welding head with high efficiency and long life
  • Welding head with high efficiency and long life

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Such as figure 2 As shown, there is a heating core 1, and the heating core 1 is cylindrical or square column-shaped, and its front end is a heating working end 2, and its back is a heating cylinder 3. The outside of the heating core 1 is connected to the iron protective cover 4 with a high-temperature-resistant adhesive (such as sodium silicate—water glass), and the heating working end 2 and the heating cylinder 3 behind it can be integrated without a mechanical interface. structure, the size of the heating end 2 gradually decreases from back to front, that is, the cross-sectional area of ​​the heating working end 2 is smaller than the cross-sectional area of ​​the heating cylinder 3, and a variety of ceramic heating materials can be used to make the required heating core, such as Molybdenum disilicide or other ceramic heating materials such as silicon carbide, lanthanum chromate, etc. The electrical properties of the heating material can fully meet the requirements, ...

Embodiment 2

[0020] As shown in Figures 3 and 4: there is a heating core 1, the heating core 1 is cylindrical, the front end is a heating working end 2, and the back is a heating cylinder 3. The outer surface of the heating core 1 is sleeved with a high-temperature resistant adhesive (such as sodium silicate—water glass) to cover the iron protective cover 4, and the heating working end 2 and the heating cylinder 3 behind it can be without a mechanical interface. The integral structure can also be connected separately. The part of the heating end 2 is in the shape of a truncated cone whose size gradually decreases from back to front, that is, the cross-sectional area of ​​the heating working end 2 is smaller than that of the heating cylinder 3 . To make the heating core 1, first sinter the ceramic substrate with a similar shape or cone shape to the working part of the soldering iron tip. The substrate can be made of alumina, and the heating wire 6 is wound on the substrate. The wire part ca...

Embodiment 3

[0022] Such as Figure 5 As shown: Others are as in Embodiment 1 and 2, except that the heating working end 2 at the front end of the heating core 1 is cylindrical, and its diameter is smaller than the heating cylinder 3 behind the heating core 1, that is, the cross-sectional area of ​​the heating working end 2 is smaller than the heating column The cross-sectional area of ​​body 3.

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Abstract

The high efficiency and long life soldering head has one cylindrical heating core including front heating head and back heating column, and one protecting iron sheath. The present invention has direct contact between the heating core and the protecting iron sheath, no heat conducting gap, high heat conducting efficiency, increased protecting sheath thickness and long service life. The protecting iron sheath may be produced through punching or other machining mode without need electroplating.

Description

Technical field: [0001] The invention relates to a soldering iron tip, in particular to a soldering iron tip with good thermal conductivity and long service life. Background technique: [0002] Brazing soldering iron tips are generally divided into two types according to the heating method: external heating type and internal heating type. The internal heating type soldering iron is widely used in industrial production because of its high safety and good heat conduction. Its structure is as figure 1 As shown, a hole is drilled inside the copper material, and the heating core is placed in the drilled hole. Since copper dissolves quickly into solder at high temperatures and is easily deformed, it is covered with a protective layer on the outside. However, iron is not easily dissolved and deformed by solder at the brazing temperature, and is also easily infiltrated by solder. Therefore, the protective layer is often made of ferrous materials such as iron or iron alloy. Copper...

Claims

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Application Information

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IPC IPC(8): B23K3/02
Inventor 刘洋王键
Owner 刘洋
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