Full spray welding method for boundary of inner cavity of copper alloy glass mould

A technology of glass molds and copper alloys, applied in manufacturing tools, welding equipment, arc welding equipment, etc., can solve the problems that the overall performance of glass molds cannot be guaranteed, the thickness of the sprayed welding layer is different, and the size of the sprayed welding layer cannot be accurately controlled. , to achieve the effect of ensuring the size of the spray welding layer, increasing the cost of spray welding, and good carburizing

Inactive Publication Date: 2012-12-05
CHANGSHU JINGGONG MOLD MFG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the high thermal conductivity of the copper alloy glass mold, the traditional spray welding technology cannot accurately control the size of the spray welding layer, and it is easy to produce spray welding layers with different thicknesses according to temperature changes, and the overall performance of the glass mold cannot be guaranteed.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] Taking a copper alloy glass mold with a spray welding layer size of 2mm×2.6mm on the joint surface and a 2mm chamfer on the upper and lower end surfaces as an example, the processing method of the full spray welding on the edge of the inner cavity of the mold includes the following steps:

[0016] (1) The inner cavity of the copper alloy glass mold is processed with a rough knife, and the welding layer groove is processed according to the product shape on the mold joint surface and chamfered on the upper end surface and the lower end surface of the mould, the width of the groove is 0.9mm, The depth of the groove is 1.17mm, and the side length of the chamfer is 0.9mm;

[0017] (2) Put the mold to be welded after the rough knife treatment into an electric heating furnace for heat treatment, so that the mold temperature reaches 750°C;

[0018] (3) After placing the heated mold on the welding table, use a heat gun to keep the mold warm during the spray welding process, and ...

Embodiment 2

[0022] Taking a copper alloy glass mold with a spray welding layer size of 2mm×2.6mm on the joint surface and a 2mm chamfer on the upper and lower end surfaces as an example, the processing method of the full spray welding on the edge of the inner cavity of the mold includes the following steps:

[0023] (1) The inner cavity of the copper alloy glass mold is processed with a rough knife, and the welding layer groove is processed on the joint surface of the mold according to the shape of the product and chamfered on the upper end surface and the lower end surface of the mold. The width of the groove is 1mm, and the groove The depth of the groove is 1.3mm, and the side length of the chamfer is 1mm;

[0024] (2) Put the mold to be welded after the rough knife treatment into an electric heating furnace for heat treatment, so that the mold temperature reaches 760°C;

[0025] (3) After placing the heated mold on the welding table, use a heat gun to keep the mold warm during the spra...

Embodiment 3

[0029] Taking a copper alloy glass mold with a spray welding layer size of 2mm×2.6mm on the joint surface and a 2mm chamfer on the upper and lower end surfaces as an example, the processing method of the full spray welding on the edge of the inner cavity of the mold includes the following steps:

[0030] (1) The inner cavity of the copper alloy glass mold is processed with a rough knife, and the welding layer groove is processed according to the shape of the product on the joint surface of the mold and chamfered on the upper end surface and the lower end surface of the mould, the width of the groove is 1.05mm, The depth of the groove is 1.35mm, and the side length of the chamfer is 1.05mm;

[0031] (2) Put the mold to be welded after the rough knife treatment into an electric heating furnace for heat treatment, so that the mold temperature reaches 780°C;

[0032] (3) After placing the heated mold on the welding table, use a heat gun to keep the mold warm during the spray weldi...

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Abstract

The invention discloses a full spray welding method for a boundary of an inner cavity of a copper alloy glass mould. The full spray welding method comprises the following steps: performing rough cutting treatment on the inner cavity of the copper alloy glass mould and confirming the treating size as 45-55% of the size of a spray welded layer; heating a treated to-be-welded mould to be at 750-800 DEG C; performing spray welding treatment on the boundary of the inner cavity of the mould by using a plasma welding machine and continuously keeping the temperature of the mould at 750-780 DEG C during the welding process; and placing the mould after being spray-welded into an annealing furnace and performing annealing treatment. According to the processing method provided by the invention, before the spray welding for the mould, all welding surfaces are subjected to the rough cutting treatment, and due to the control on the treating size, the size of the spray welded layer meets the requirement; a heating gun is used for continuously keeping the temperature of the mould during the spray welding process, so that the carburization of the mould is more effectively controlled; the stability of the size of the spray welded layer is ensured; and the whole property of the mould is increased.

Description

technical field [0001] The invention relates to a processing method for a glass mold, in particular to a processing method for full spray welding of the edge of the inner cavity of a copper alloy glass mold. Background technique [0002] With the continuous development of the glass bottle making industry, the bottle making technology is developing towards high speed and light weight, increasing the bottle making output per unit time, reducing the amount of raw materials, improving labor efficiency and thus achieving the purpose of saving energy, reducing costs and improving efficiency. The traditional cast iron glass mold can improve its mechanical strength, wear resistance and oxidation resistance after being surfacing with nickel-based powder. However, due to the limited thermal conductivity of the iron-based alloy glass mold itself, it has been used for a period of time on a high-speed bottle making machine. Afterwards, it is easy to overheat and affect the continuity of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K9/04B23K10/02B23K9/235
Inventor 赵兰英常弟官
Owner CHANGSHU JINGGONG MOLD MFG
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