A tubular product punching die

A tubular product punching die

  • CN 202,162,260 U
  • Filed: 05/06/2011
  • Issued: 03/14/2012
  • Est. Priority Date: 05/06/2011
  • Status: Active Grant
First Claim
Patent Images

1. tubing punching die;

  • Comprise towards pin and middle mould;

    It is characterized in that also comprising the bed die of global formation, the formation die cavity is emptied at the bed die middle part, and middle mould is inserted in the die cavity;

    The bed die upper end is provided with the direct pin hole that guides towards pin work that is used for that communicates with die cavity, is contained in the pin hole towards needle guard to move axially.2. according to the said tubing punching die of claim 1, it is characterized in that on the said bed die positioning rule being housed, positioning rule is provided with scale and spring-positioning device.3. according to the said tubing punching die of claim 2, it is characterized in that said spring-positioning device is the auto spring positioning blade, comprise spring and perpendicular to the blade of positioning rule, insert tip under spring tension downward vertically roof pressure on tubing.4. according to the said tubing punching die of claim 1, it is characterized in that said in the mould left and right side be equipped with symmetrically protruding in middle mould outside and can the steel ball of roof pressure on the punching press pipe material inner wall, middle mould inside be equipped with can outside pushing tow steel ball spring.5. according to claim 1 or 4 said tubing punching dies, it is characterized in that the left and right sidewall of said die cavity be equipped with respectively protruding in die cavity to prevent the roller of tubing abrasion in moving process.6. according to the said tubing punching die of claim 1, it is characterized in that said in mould be provided with vertically run through in the nib of mould, also be provided with the discharge opening that communicates with die cavity in the bed die lower end, said pin hole, nib, discharge opening is coaxial is arranged in order up and down.7. according to the said tubing punching die of claim 6, it is characterized in that said nib is a rhombus, square or circular.8. according to claim 1 or 6 said tubing punching dies, it is characterized in that said middle mould bottom is provided with the groove of being convenient to the stampings discharge, groove is inner over against said discharge opening.9. according to the said tubing punching die of claim 1;

    It is characterized in that said bed die is rack-mount;

    Support is provided with the mounting groove of swallow-tail form;

    Bed die bottom is provided with the swallow-tail form contiguous block that cooperates with mounting groove, said in mould stretch out the outer end of die cavity and be provided with and be used for the location and installation hole that itself and support are fixed.10. according to the said tubing punching die of claim 1, it is characterized in that said bed die top for directly guiding is towards the thick section of pin work, said pin hole vertically runs through above-mentioned thick section.

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