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Integrated heating-placement hot air head

A limelight and mounting technology, applied in the field of printed circuit board welding machines, can solve problems such as uneven temperature, large heat loss, and affecting work efficiency, so as to ensure mounting accuracy and reliability, service life and high temperature resistance, The effect of improving quality and efficiency

Active Publication Date: 2012-10-24
SHENZHEN JT AUTOMATION EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The existing printed circuit board welding machine still has the following disadvantages in its hot air head: (1) Since the heating and mounting mechanism are not integrated (independently), the product is large in size and needs to occupy a certain space, and its manufacturing cost High, and affect work efficiency; (2) The temperature of the heating wire in the hot air head is uneven, the heating / cooling is slow, and the life of the heating wire is not good; (3) The existing hot air head, the hot air cannot directly act on the chip , the heat loss is large, and it is difficult to achieve infrared heating; (4) Affected by the traditional vacuum connection method, the micro-movement of the suction rod is easily affected by the vacuum connection tube, and it is difficult to guarantee the accuracy and reliability of placement; (5) The suction rod is easily affected by high temperature, resulting in bending, deformation or aging defects, which makes it difficult to ensure the placement accuracy, and even affects the service life of the suction rod; (6) The traditional heating wire is limited by the characteristics of the material itself, and its service life and durability The temperature performance is not good; (7) The structure of the whole hot air head is complicated, which is not easy to install, maintain and replace

Method used

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  • Integrated heating-placement hot air head
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  • Integrated heating-placement hot air head

Examples

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Embodiment Construction

[0023] like Figure 1 to Figure 4 Show, an integrated heat of heating and sticker, which is characterized by installing the heating core fixed seat 3 and heating wire support between the upper and lower fixed boards 1 and 2A nozzle seat 5, the upper fixed board 1 wears a medium -lump rod guide cover 6, the lower end of the rod guide set 6 extends into the heating core fixing seat 3, the upper part of the rod guide set is installed with a rotating sensing ring 7, in it in the upper part of the rod.There are sensors 8 next to the rotating sensor ring 7, a rotating sensor ring 7 and a rod guide set 6 are set with a rotating transmission rod 9, the suction rod guide set 6 is also connected with a rotating rod 10, the one -suction rod 11 is rotated by the rotation sensor.After entering the circle 7, pass through the rod guide cover 6 and extend the nozzle 5, and there is also a suction mouth 12 at the end of the rod of the nozzle 5.It also includes a temperature probe 19, and the temper...

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Abstract

The invention discloses an integrated heating-placement hot air head which is characterized in that a heater fixing seat and a heater support are arranged between an upper fixing plate and a lower fixing plate; a nozzle holder is arranged at the bottom of the lower fixing plate; a hollow sucking rod guiding sleeve is arranged in the upper fixing plate in a penetrating way; the lower end of the sucking rod guiding sleeve extends into the heater fixing seat; a rotating induction coil is arranged at the upper part of the sucking rod guiding sleeve; a sensor is also arranged beside the rotating induction coil; a rotating driving rod is arranged between the rotating induction coil and the sucking rod guiding sleeve; the sucking rod guiding sleeve is connected with a rotating rod; a sucking rodenters from the rotating induction coil, penetrates the sucking rod guiding sleeve and extends out of the nozzle holder; and a suction nozzle is also arranged at one end of the sucking rod outside the nozzle holder. The hot air head disclosed by the invention has the advantages of simple and reasonable structure, small volume, low cost, uniform heating temperature, rapid heating and cooling, longservice life, excellent heat resistance, low heat loss, capability of ensuring placement accuracy and reliability, and convenient installation and maintenance.

Description

Technical field [0001] The present invention involves the technology field of printing circuit board welding machines, especially a heating and fitting integrated heat. Background technique [0002] The existing printing circuit board welding machine still has the following shortcomings: (1) Due to the failure of heating and paste mechanisms (independence), the product volume is large, and a certain space needs to be occupied.High, and affecting work efficiency; (2) The heating wires in the hot air head, the temperature is uneven, the temperature heating / cooling is slow, and the heat of the heating wire is not good; (3) the existing hot air, its hot air can not directly act on the chip on the chip, Its heat loss is large and it is difficult to achieve infrared heating; (4) Affected by the traditional vacuum access method, the micro -movement of the rod is easily affected by the vacuum access tube, which is difficult to ensure the accuracy and reliability of the paste; (5)The rod ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23K3/053
Inventor 杨凯洪军
Owner SHENZHEN JT AUTOMATION EQUIP CO LTD
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