Helical gear forming female mold beneficial to automatic demolding

Helical gear forming female mold beneficial to automatic demolding

  • CN 104,785,699 A
  • Filed: 04/10/2015
  • Published: 07/22/2015
  • Est. Priority Date: 04/10/2015
  • Status: Active Application
First Claim
Patent Images

1. be convenient to the helical gear female die for forming of automatic demoulding for one kind, it is characterized in that:

  • the outer ring comprising inner ring and socket-connect with inner ring, described inner ring is the truncated cone-shaped structure combined by four corresponding lobe blocks, the inner chamber of described inner ring forms helical gear shaping tooth cavity, described inner ring lateral wall is intilted inclined plane from top to bottom, this inclined plane cone angle is 8-12 °

    , and described lobe block both sides sidewall middle position is all embedded with groove, and between the adjacent grooves of adjacent petals block, press-in has a Compress Spring;

    Described outer ring is provided with the truncated cone-shaped mantle cavity matched with inner ring, and described inner ring is pressed in the mantle cavity of outer ring.

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