Design details of the inner slide block of UG plastic mold design

We have talked about the inner slider, but many friends still don’t fully understand it. Of course, the design of the inner slider comes in many forms, and the mold structure is different for different products. Let’s talk about it with the following case today.

This pair of molds is a bit special. The product is 1X4. There are two outer sliders sliding on the push plate, and the inner slider slides on the back mold B plate. The push plate is temporarily hidden.

Attention should be paid when designing the inner slider of this mold

The rear mold insert is fixed in the B plate, so the inner slider cannot be placed on the push plate. If the inner slider slides in the push plate, it will not move when ejected, and the surface pointed by the arrow will withstand The insert, and the insert is fixed on the B plate

The inner slide block cannot move in the vertical direction. The red arrow where the rear mold insert and the top surface of the inner slide block can only move relative to each other in the horizontal direction, that is to say, there is no influence on the inner slide block when the push plate is ejected. We must also consider the smooth reset of the mold,

The 4 inner sliding blocks slide on the B plate of the rear mold and cannot be placed in the push plate. If they are placed in the push plate, they will not move.

Cut it from the arrow to see the relationship between the inner slider and the push plate

From this picture, we can see that there is no interference between the ejection of the push plate and the sliding of the inner slider, and it can be reset smoothly when resetting. However, the form of the inner slider is different in different mold structures.