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Ball Mandrel

Ball Mandrel The Ball Mandrel is improved, comprising: a bottom mold, a middle die, a top die, a feeding die, a plurality of sealing plates and a pressing die, wherein the top surface of the bottom die is provided with a plurality of lower die holes, The bottom surface of the middle mold and the...

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Ball Mandrel

The Ball Mandrel is improved, comprising: a bottom mold, a middle die, a top die, a feeding die, a plurality of sealing plates and a pressing die, wherein the top surface of the bottom die is provided with a plurality of lower die holes, The bottom surface of the middle mold and the top mold are respectively provided with a plurality of first upper mold holes and a second upper mold hole, and the top surface of the middle mold is provided with a plurality of feed holes communicating with the first upper mold holes, and the upper portion of the feed mold is provided with a material a plurality of supply holes are arranged at the bottom of the trough, and the feeding die is coupled with the middle mold and defines a distance at which the two can be separated. In the normal state, an elastic stretch state is formed, and the sealing plate is disposed between the feeding mold and the middle mold. The airtight state is formed, a gas nozzle is provided at a suitable place, and a protruding pressure block is arranged at the bottom of the pressing die; thereby, the manufacturing cost and the damage rate of the mold can be reduced, and the operation safety is good.

 

A ball core forming die structure improvement characterized by comprising:

1. a bottom mold, the top surface is provided with a plurality of concave hemispherical lower mold holes;

2. a middle mold, the bottom surface is provided with a plurality of concave hemispherical first upper mold holes, and the top surface is provided with a plurality of feed holes communicating with the first upper mold holes;

3. a top mold, the bottom surface is provided with a plurality of concave hemispherical second upper mold holes;

4. A feeding die, the upper half is provided with a concave trough, a plurality of penetrating supply holes are arranged at the bottom of the trough, and a plurality of limiting columns and elastic components are arranged between the feeding die and the middle die;

6. a plurality of sealing plates, which are arranged between the feeding mold and the middle mold to form an airtight space, and a suitable mouth is combined with a mouth;

7. A press die with a protruding press block at the bottom.

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