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Sealing device for luminous tube

A technology of sealing device and lamp tube, which is applied in the direction of electric tube/lamp closing, discharge tube/lamp manufacturing, electrical components, etc., can solve problems such as energy waste, product scrapping, glass thickness, etc., and achieve energy saving, short time, evenly stacked effect

Inactive Publication Date: 2009-06-10
上虞极地亚电子设备有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0004] Although the way of pushing the whole stem has been greatly improved compared with the early scrap-type sealing, and the qualified rate has also been significantly improved, but due to the thicker glass accumulation, it is easy to cause cracking and leakage, resulting in product scrapping, and additional heating When using larger firepower also causes the waste of energy, the promotion of this sealing method is limited

Method used

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  • Sealing device for luminous tube
  • Sealing device for luminous tube
  • Sealing device for luminous tube

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Embodiment Construction

[0027] see figure 1 , 2 , the lamp tube sealing device of the present invention comprises a stem support rod 7, the upper part of the stem support rod 7 is a ejector rod 4 with a smaller diameter, and the ejector rod 4 directly lifts up the middle part of the stem 2, outside the stem support rod 7 A ring-shaped compression support roller 5 is sleeved, and the compression support roller 5 can move up and down along the core column support rod 7 through the support of the toggle device 8 . Toggle device 8 can be shift fork (see image 3 ) or ejector pin and other forms

[0028] The diameter of the bottom of the stem support rod 7 is greater than the diameter of the top mandrel 4, so an outer ring surface 6 is formed, and the outer ring surface 6 can prevent the compression support roller 5 from falling. The outer ring surface 6 is provided with several protrusions 9, so that when the pressing support roller 5 falls, there is still a certain gap with the outer ring surface 6, ...

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PUM

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Abstract

Device for sealing luminous tube includes support bar for stem, and compressing supporting roller sheathed outside the support bar. Through striking gear, the supporting roller hoists the support bar to be moved up down. Compact type straight shaped fluorescent tube in thin diameter produced according to the invention possesses advantages of high yield, smooth melded seam, not easy of burst, and energy saving for fusing operation. Being suitable to manufacturing process of automation production equipment. The disclosed device is green manufacturing equipment for green illuminated light sources.

Description

technical field [0001] The invention relates to a lamp tube sealing device, in particular to a sealing device for various compact fluorescent lamp tubes or thin tube straight tubes. Background technique [0002] The process of sealing and fusing the end of the cathode stem and the glass tube shell on the compact lamp tube and the thin tube straight tube lamp tube is called sealing. In the early days, many factories adopted the method of drawing residual material to seal the lamp tube. Because the wall of the glass tube is relatively thick, the residual material cannot be broken at one time, resulting in glass lumps often in the fusion seal, which affects the pass rate of product processing. [0003] At present, the compact lamp tube and thin tube straight tube lamp tube are generally processed by topping the whole stem. Chinese utility model patent ZL02261773.6 discloses a sealing device for fluorescent lamps, including a bracket, a flame nozzle and the corresponding For th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01J9/40H01J9/26
Inventor 叶建庆叶百羊
Owner 上虞极地亚电子设备有限公司
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