Why is the Electric Suction Cup Called a Vacuum Spreader?

Ⅰ. Electric suction cup

Electric suction cups are also called vacuum lifters. Generally speaking, using electric suction cups to grab products is the cheapest way. There are many kinds of electric suction cups, the suction cups made of rubber can be operated at high temperature, the suction cups made of silicone rubber are very suitable for grasping rough products; the suction cups made of polyurethane are very durable.

In addition, in actual production, if the suction cup is required to be oil-resistant, you can consider using materials such as polyurethane, nitrile rubber or vinyl-containing polymers to make the suction cup.

Generally, in order to prevent the surface of the product from being scratched, it is best to choose a suction cup made of nitrile rubber or silicone rubber with bellows.

It should be noted that the moving speed of the manipulator should not be too high, otherwise a shear force will occur on the suction cup, making the product easily fall off during the rapid change process.

In some cases, a clamp can be used to ensure safe delivery of the product. Given the possibility of parts sticking to the mold, an air clamp can usually be installed to handle this. When the surface volume of the product is too small or the product is too heavy to use the electric suction cup, the problem can also be solved by using the clamp.

Ⅱ. Functions of different electric suction cups

Commonly used electric suction cups include flat suction cups, oval suction cups, corrugated suction cups and special suction cups.

1. Function of flat suction cup

High positioning accuracy; compact design and small internal volume can minimize the grabbing time; achieve high lateral force; wide sealing lip has the best sealing characteristics on the flat surface of the workpiece; when grabbing the workpiece, flat suction cups have good Stability; the embedded structure of the large-diameter suction cup can achieve high suction force.

2. The function of the elliptical suction cup

Optimum use of the pick-up surface; suitable for long convex workpieces; electric suction cup with enhanced hardness; small size and large suction force; various suction cup materials; embedded structure with high gripping force.

3. Characteristics of corrugated suction cup

There is a lifting effect when grasping workpieces; compensation of different heights; gentle grasping of fragile workpieces; soft bottom ripples; various types of suction cup materials.

4. Special sucker

It is as universal as an ordinary electric suction cup; the particularity of the suction cup material and shape allows it to be used in a specific application area.

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