Preparation method of aluminum alloy lock panel

An aluminum alloy and lock panel technology is applied in the field of the preparation of aluminum alloy lock panels, which can solve the problems of unsightly, easy peeling off of the surface coating and high cost, and achieve the effects of huge market prospects, good product strength and stable color.

Inactive Publication Date: 2020-05-15
荆门荆华铝业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, most of the lock panels on the market are made of zinc alloy, which is made of zinc alloy die-casting, electroplating, or surface spraying, etc. The lock panels manufactured by this process have surface coatings that are easy to fall off and have a single color. Disadvantages and deficiencies such as ugly, not anti-static, high cost, etc.
[0003] Using aluminum alloy as a panel has been developed before, but all of them failed. One type uses aluminum die-casting, the product has no strength, the surface cannot be anodized, and it can only be electroplated or oil sprayed. The effect is not as good as that of zinc alloy, and there is no market for a while. In the second type, some people also forged the lock handle, but they couldn't make a better effect on the surface.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Preparation method of aluminum alloy lock panel:

[0023] (1) Prepare the lock panel: the aluminum alloy panel is blanked with a mold, stamped into the required size, and then stretched to the required shape;

[0024] (2) Forging: After the above two parts are completed, forging is carried out. Put the aluminum alloy panel into the tunnel heating furnace. After preheating, heating, and heat preservation until the temperature of the furnace is 500-520°C, put it into the mold and adjust the pressure according to the needs. At the same time, the aluminum alloy rivets are put into the mold, and the lock panel and the rivets are forged and pressed at one time.

Embodiment 1

[0026] Further surface treatment of the lock panel obtained in Example 1:

[0027] (3) After forging, the lock panel is heat-treated to HB37. After heat treatment, the edge material is removed first, and then punched, drilled and tapped according to the position of the handle and knob.

[0028] (4) Manually polish the cut surface of the side of the lock panel, and then vibrate and polish the surface of the lock panel for 2 to 4 hours.

[0029] (5) Dry polishing: first use vibration polishing to remove the sharp edges, burrs and large surface defects, and then use dry polishing: use 20-40 mesh walnuts and polishing agent, rough polishing for 5-7 hours, and then use 80-100 mesh Toss walnut essence for 3 to 5 hours.

Embodiment 3

[0031] Further processing after dry throwing:

[0032] (6) Anodize the Example 2 after fine polishing.

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PUM

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Abstract

The invention belongs to the field of locks and provides a preparation method of an aluminum alloy lock panel. The preparation method comprises the following steps of (1) carrying out forging on an aluminum alloy panel material and an aluminum alloy rivet at 500-520 DEG C to integrate the aluminum alloy panel material and the aluminum alloy rivet; (2) carrying out heat treatment on a forged aluminum alloy lock panel to reach HB37, removing a marginal material of the product subjected to heat treatment, and then carrying out stamping, drilling and tapping according to the positions of a handleand a rotary knob; (3) manually polishing the cut surface of the side face of the lock panel, and then carrying out vibrating, water grinding and polishing on the surface of the lock panel for 2-4 h;and (4) carrying out dry polishing, specifically, carrying out coarse polishing through abrasive paper of 20-40 meshes and a polishing agent for 5-7 h, and then carrying out precision polishing through abrasive paper of 80-100 meshes for 3-5 h. According to the preparation method, the aluminum alloy forging mode is adopted for the lock panel, further post-treatment is carried out on the manufactured aluminum alloy lock panel product, and the manufactured aluminum alloy lock panel and connecting column have the advantages of being high in hardness, not prone to color fading, anti-static and thelike.

Description

technical field [0001] The invention relates to the field of locks, in particular to a method for preparing a lock panel. Background technique [0002] At present, most of the lock panels on the market are made of zinc alloy, which is made of zinc alloy die-casting, electroplating, or surface spraying, etc. The lock panels manufactured by this process have surface coatings that are easy to fall off and have a single color. It looks very ugly, not anti-static, high cost and other shortcomings and deficiencies. [0003] Using aluminum alloy as a panel has been developed before, but all of them failed. One type uses aluminum die-casting, the product has no strength, the surface cannot be anodized, and it can only be electroplated or oil sprayed. The effect is not as good as that of zinc alloy, and there is no market for a while. In the second type, some people have also forged the lock handle, but they can't make a better surface effect. Contents of the invention [0004] T...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23P15/00
CPCB23P15/00
Inventor 田圣乔
Owner 荆门荆华铝业有限公司
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