Multifunctional same-furnace multi-band bimetal strip saw blade heat treatment full-automatic production line and process thereof

Abstract

The invention discloses a multifunctional same-furnace multi-band bimetal strip saw blade heat treatment full-automatic production line and a process thereof, relating to a bimetal strip saw blade production line and a compound quenching process and solving the problems of difficult control of equipment and process parameters, difficult guarantee of product quality, incapability of producing multiple saw blades in various specifications at the same time, low equipment capacity efficiency, high production cost and energy wastes of water, power and gas at present. In the invention, equipment in all working procedures are integrated into one production line, all the working procedures of quenching, tempering, sand blasting, cleaning, baking, marking, oil coating, straightening and the like are completed on the same production line, the production of multiple saw blades in various specifications can be completed at the same time, and after the invention is applied, the total capacity can be improved by 5-8 times, the service life of the product can be improved by around 50%, and the production cost can be reduced by more than 40%. An on-ling dynamic rapid-tempering novel technology is adopted for tempering equipment and process, thus the saw blades travels faster on the production line to complete the whole process of tempering so that high capacity can be achieved for the saw blades.

Description

technical field [0001] The invention relates to a heat treatment production line for producing bimetallic band saw blade products and a process thereof. Background technique [0002] The production process of bimetallic band saw blades (hereinafter referred to as saw blades) mainly includes composite steel strip welding, milling, grinding, splitting, heat treatment, sandblasting, cleaning, drying, marking, oiling, straightening, and alignment of finished saw blades. welding etc. At present, there are main problems: first, the equipment and process parameters are difficult to control, and the product quality is difficult to guarantee. For example, the uneven quenching and cooling temperature causes deformation of the saw blade. The gas purity in the bell tempering furnace is out of control, causing the saw blade to oxidize. The temperature in the furnace is uneven, resulting in uneven hardness of the saw blade. Uneven rewinding tension, causing the saw blade to warp, etc....

AI Technical Summary

Problems solved by technology

At present, there are main problems: first, equipment and process parameters are difficult to control, and product quality is difficult to guarantee

For example, the quenching cooling temperature is uneven, resulting in deformation of the saw blade

The gas purity in the bell tempering furnace is out of control, causing the saw blade to oxidize

The temperature in the furnace is uneven, resulting in uneven hardness of the saw blade

Uneven rewinding tension, causing the saw blade to warp, etc.

Second, the equipment has a single function, and the width specification of the saw blade is limited

For example, the current single-belt heat treatment equipment can only produce a single saw blade with a single width specification, and cannot produce multiple saw blades with various width specifications at the same time

Third, the production efficiency of the equipment is low, the production cost is high, and the labor intensity of the workers is high

Each of the above-mentioned processes has to be repeatedly pulled, unloaded, and rewound, which wastes a lot of manpower and material resources

Fourth, the production process is cumbersome, and there are many single-process production equipment, which is difficult to operate, maintain and manage

Fifth, consume and waste a lot of water, electricity, energy and production sites

For example, the bell-type furnace with single-machine operation consumes a lot of power, the liquid sand blasting machine consumes a lot of water, and the quenching and refrigeration consumes a lot of gas. The area waste of multi-workshop operations due to single-machine operation equipment is also large.

In addition to solving the problem of realizing multi-band bright quenching in the same furnace on a quenching production line, the above-mentioned problems still have not been solved.

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