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Requirements to be considered when designing the top mechanism of zipper machinery
The zipper machine is the name of a kind of equipment for processing zippers. The working principle of the zipper machine is equivalent to injecting the plasticized molten state (that is, the viscous state) into the plastic by the thrust of the screw (or plunger). In the closed mold cavity, the process of obtaining plastic products after curing and shaping. Today, I will talk about the requirements that should be considered when designing the top mechanism of zipper machinery.
1. The top piece mechanism of the zipper machine must have enough top piece force, usually the upper top piece force takes the nominal pressure of 0.5~1 nm, and the lower top piece force takes 1.5 Nominal pressure.
2. The ejector mechanism of the zipper machine must have a certain ejector stroke, and it is hoped that the ejector stroke is adjustable. Usually the zipper mechanical top piece and structure, the stroke of the upper top piece is (1.5~2.5) slider stroke, and the stroke of the lower top piece is (2~4.5) Pa slider stroke. For the pneumatic and hydraulic ejector mechanisms, the ejector stroke can be longer.
3. The ejector mechanism of the zipper machine should be reasonably designed. In order to avoid the ejected forging from colliding with the upper die, the speed of the lower ejector is required to be lower than the return speed of the slider. .
4. In order to make it easier for the operator to hold the forging, the top mechanism of the zipper machine also needs to meet certain requirements when designing, that is, the lower top mechanism pushes the forging out After that, it can stay in its highest position for a period of time, that is, a height retainer should be installed.
Although the products produced by zipper machinery are small, they cannot be ignored in terms of design. Generally, zipper machinery can achieve high-efficiency production for enterprises after being put into production normally, and the operation Simple, fast and easy to maintain!
The above are the requirements that should be considered when designing the top piece mechanism of the zipper machine. I hope it will help you. In addition, the zipper machine is generally equipped with upper and lower piece mechanisms. The ejector mechanism of the zipper machine can push the forging out of the die cavity in time, reduce the contact time between the forging and the die cavity, and prolong the life of the die. If you have any other questions, please feel free to contact us, we will serve you wholeheartedly.
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