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Eutectic crystal furnace with locking-mechanism-mounted furnace door

A locking mechanism, eutectic furnace technology, applied in electric heating devices, auxiliary devices, manufacturing tools, etc., can solve the problems of high porosity and slow cooling rate after welding, and achieve the effect of reducing porosity and rapid cooling

Inactive Publication Date: 2014-03-19
CHINA ELECTRONIC TECH GRP CORP NO 2 RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The invention provides a eutectic furnace with a locking mechanism on the furnace door, which solves the technical problems of high post-weld porosity and slow cooling speed in existing equipment

Method used

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  • Eutectic crystal furnace with locking-mechanism-mounted furnace door

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Embodiment Construction

[0012] The present invention is described in detail below in conjunction with accompanying drawing:

[0013] A eutectic furnace with a locking mechanism on the furnace door, comprising a lower box 2 and an upper box 1, a lower hinge 27 is arranged on the rear side plate of the lower box 2, and a hinge 27 is arranged on the rear side plate of the upper box 1 The upper hinge 26, the lower hinge 27 and the upper hinge 26 are connected together by the hinge shaft 28, and the left hook seat 3 of the locking box cover and the right hook seat of the locking box cover are respectively arranged on the front side plate of the upper box body 1. 4. The middle part of the L-shaped left hook 5 is hinged on the left hook seat 3 of the lock box cover through the left hook hinge shaft 29, and the middle part of the L-shaped right hook 6 is hinged on the lock box cover through the right hook hinge shaft. On the right hook seat 4, the upper end of the L-shaped left hook 5 and the upper end of th...

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Abstract

The invention discloses a eutectic crystal furnace with a locking-mechanism-mounted furnace door. The problems that an existing device is high in void ratio and low in cooling rate after welding are solved. The eutectic crystal furnace comprises a lower box (2) and an upper box (1), wherein the lower box (2) and the upper box (1) are connected together through hinges. Two locking box cover lapping hook bases are respectively arranged on a front side plate of the upper box (1), and a rotary shaft installation base (8) and a horizontal rotary shaft (9) are arranged on a front side plate of the lower box (2). Two drive air cylinders are respectively arranged on the lower bottom surface of a bottom plate of the lower box (2), output shafts of the drive air cylinders are connected with the horizontal rotary shaft (9) through connecting rods, eccentric wheels and lifting rods are arranged at the two ends of the horizontal rotary shaft, and fastening shafts of the lifting rods are connected with L-shaped lapping hooks in a lap joint mode. High-quality weld joints of a workpiece in the eutectic crystal furnace can be obtained, the void ratio can be reduced, and rapid cooling can be achieved.

Description

technical field [0001] The invention relates to a vacuum welding (sintering) equipment, in particular to a eutectic furnace. The equipment is mainly used for welding high-standard electronic dies and substrates, welding high-standard electronic substrates and shells, sealing and welding components, Hermetic package and three-micro package. Background technique [0002] At present, the structure of the vacuum welding (sintering) eutectic furnace is box-shaped, and the eutectic furnace with this box-shaped structure cannot bear the pressure of positive or negative pressure in the box, and the sealing performance is poor. With the continuous development of the eutectic welding process of components, it is necessary to complete in the eutectic furnace: vacuum welding, atmosphere welding, positive pressure welding, rapid cooling and other processes alternately, the existing eutectic furnace is completing the process of the above process There are defects of high post-weld porosi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K3/04B23K3/08
CPCB23K1/008B23K3/00B23K3/08
Inventor 王成君王宏杰程建平解永强
Owner CHINA ELECTRONIC TECH GRP CORP NO 2 RES INST