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Automatic blanking device

An automatic blanking and annealing tube technology, applied in glass fiber drawing devices, glass manufacturing equipment, manufacturing tools, etc., can solve the problems of shortened service life of graphite parts, easy damage of IRIS and inserts, large errors, etc., to reduce down The effect of reducing material time, improving accuracy and working efficiency

Inactive Publication Date: 2005-03-16
浙江富春江罗依尔光纤制造有限公司
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AI Technical Summary

Problems solved by technology

[0004] 1. It depends entirely on the operator's visual judgment and experience, and the error is large.
[0005] 2. Because there is still a high temperature during the falling process of the material head, if the IRIS is not turned on in time, the IRIS will be easily damaged. On the other hand, if the IRIS is turned on too early, the external airflow will enter the heating furnace, which will cause great damage and shorten the service life of the graphite parts. will also greatly shorten
[0006] 3. The temperature above 2,000 degrees Celsius, observed with the naked eye, will cause great damage to the eyes of the operator
[0007] 4. Using IRIS and inserts is easy to damage, and the cost of repair and replacement is high. It is worth mentioning that IRIS relies on imports, and there is no domestic production

Method used

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Embodiment Construction

[0013] Figure 1, figure 2 As shown, the automatic unloading device connects four round rods 3 with copper gears 6 at both ends on the bottom plate 1 through the fixing parts 7, and the four round rods are mutually toothed to form a square frame. Four square iron sheets 2 are fixed, and the area of ​​the four square iron sheets covers the inner diameter of the annealing tube; an iron rod 8 is correspondingly fixed at one end of each round bar, and a balance iron block 5 is fixed at the end of the iron rod. A pillow lock 4 is connected between the gear and the round bar. The pillow lock end of round bar is also provided with fine bearing 10.

[0014] Its working principle: When the light rod falls down, relying on its own gravity and the action of gears, it pushes away the four-corner iron sheet and falls from the annealing tube. When the pendant becomes a slender optical fiber, the force from top to bottom disappears, and the balance iron block produces a downward force due t...

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Abstract

Disclosed is an automatic blanking device for controlling air enter wiredrawing furnace during optical fiber drawing process, characterized in that, four round sticks with copper wheel gears on the two ends engage each other to form a square frame, four iron sheets are mounted vertically centering the round stick, the area formed by the four iron sheets covers the internal diameter of the annealing tube, the gear wheel on one end of each round stick is also provided with a iron rod with a balancing iron block on the end.

Description

Technical field: [0001] The invention relates to a device for controlling air entering into a drawing furnace during the fiber drawing process. Background technique: [0002] The light rod melts into a small pendant in the drawing furnace, and passes through the furnace mouth to reach the bottom of the drawing furnace under the action of gravity. Since the drawing furnace is very sensitive to air, it is necessary to control the entry of as little air as possible during the process of the pendant passing through the lower furnace door. The furnace is very important. [0003] At present, some wire drawing equipment at home and abroad still use the traditional insert and IRIS device to control the air intervention during blanking, and manually assist the traction of the falling head: during the heating process of the heating furnace, turn off the IRIS and insert the insert to ensure The outside air flow does not enter the heating furnace. During the cutting process, a special ...

Claims

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Application Information

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IPC IPC(8): C03B37/025C03B37/029
CPCC03B37/029C03B2205/82
Inventor 夏春生陆春校方毅杨铭徽
Owner 浙江富春江罗依尔光纤制造有限公司
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