Magnesium alloy extrusion die capable of automatically controlling temperature and lubricating and using method thereof

An extrusion die and magnesium alloy technology, applied in the field of magnesium alloys, can solve the problems of product surface oxidation, danger, uneven heating, etc., and achieve the effects of uniform flow rate, easy operation, and uniform heating

Active Publication Date: 2014-03-19
山东宏泰科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The particularity of magnesium alloy extrusion is: magnesium is relatively active, if the extrusion speed is too fast, the temperature will rise rapidly, the surface of the product will be seriously oxidized, and even dangerous; , resulting in interruption of extrusion; if there is uneven heating during the mold heating process, defective products are prone to occur

Method used

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  • Magnesium alloy extrusion die capable of automatically controlling temperature and lubricating and using method thereof
  • Magnesium alloy extrusion die capable of automatically controlling temperature and lubricating and using method thereof
  • Magnesium alloy extrusion die capable of automatically controlling temperature and lubricating and using method thereof

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Experimental program
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Effect test

Embodiment 1

[0027] The magnesium alloy extrusion die with automatic temperature control and lubrication of the present invention comprises an upper die and a lower die, the upper die includes an upper die body 14 and the lower die includes a lower die body 15, a die sleeve is arranged outside the die, and a spiral is arranged on the inner wall of the die sleeve Groove 13, the coil 12 is placed in the spiral groove 13; Bridge position 3 is provided on the upper mold body 14, and the middle of the bridge position 3 is provided with a feed port 2, and the outer rear end of the upper mold body 14 is provided with a tail stop 5, and the upper mold body 14 is provided with a tail stop 5. A through hole 4 is arranged on the wall of the mold body 14, and the front end of the through hole 4 is connected with a digital greaser. The end of the through hole 4 is provided with a concave platform 6, and a loose layer 7 is arranged inside the concave platform 6. The upper mold and the lower mold buckle an...

Embodiment 2

[0039] The mold structure and method of use of this embodiment are the same as those of Embodiment 1, the difference is that:

[0040] The grease is butter with a mass fraction of 7% molybdenum disulfide.

[0041] The extrusion barrel temperature is 450°C, the mold temperature is controlled at 430°C, the charge temperature is controlled at 480°C, and the extrusion ratio is 30.

Embodiment 3

[0043] The mold structure and method of use of this embodiment are the same as those of Embodiment 1, the difference is that:

[0044] The grease is butter with a mass fraction of 7% molybdenum disulfide.

[0045] The extrusion barrel temperature is 400°C, the mold temperature is controlled at 380°C, the charge temperature is controlled at 380°C, and the extrusion ratio is 100.

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Abstract

The invention relates to a magnesium alloy extrusion die capable of automatically controlling temperature and lubricating and a using method thereof. The magnesium alloy extrusion die comprises an upper die and a lower die, wherein the upper die comprises an upper die body; the lower die comprises a lower die body; a die sleeve is arranged outside the die; a spiral groove is formed in an inner wall of the die sleeve; a coil is arranged in the spiral groove; a bridge location is arranged on the upper die body; a feeding hole is formed in the middle of the bridge location; a tail seam allowance is formed in the rear end on the outer part of the upper die body; a through hole is formed in a wall of the upper die body; the front end of the through hole is connected with a digital greasing device; a recess is formed in a tail position of the through hole; a loose layer is arranged inside the recess; first fastening screw holes are formed in the upper and lower parts of the upper die body on a fastening surface of the upper die and the lower die; second fastening screw holes which correspond to the first fastening screw holes are formed in the lower die body; a discharge opening is formed in the middle of the lower die body; a working tape is arranged at the upper end of the discharge opening; a welding chamber is formed in the upper end of the working tape; a groove is formed in the top end of the lower die body. The magnesium alloy extrusion die is high in appearance quality and dimensional accuracy, uniform in heating and uniform in flow velocity and has the effects of automatically controlling temperature and lubricating.

Description

technical field [0001] The invention belongs to the field of magnesium alloys, and in particular relates to a magnesium alloy extrusion die with automatic temperature control and lubrication and a use method thereof. Background technique [0002] The extrusion die is the basis to ensure the appearance quality and dimensional accuracy of the product, and it is also the most critical part to determine whether it can be extruded. The particularity of magnesium alloy extrusion is: magnesium is relatively active, if the extrusion speed is too fast, the temperature will rise rapidly, the product surface will be seriously oxidized, and even dangerous; if the extrusion speed is too slow, the pressure will be too large due to the decrease of mold temperature , resulting in interruption of extrusion; if uneven heating occurs during the mold heating process, defective products are prone to occur. Contents of the invention [0003] The purpose of the present invention is to overcome ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21C25/02B21C31/00B21C23/32
Inventor 翟慎宝王增委柴绍春王鲁东魏其宾石宪柱
Owner 山东宏泰科技有限公司
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