Machining equipment for double-point zipper teeth

Abstract

The present disclosure discloses machining equipment for double-point zipper teeth includes a main driving mechanism, a cutter, a punch pin which is in transmission connection with the main driving mechanism and is capable of moving in an up-down direction, a main sliding seat which is in transmission connection with the main driving mechanism and is capable of moving in a front-back direction, and a machining module fixed at a front end of the main sliding seat. The present disclosure has a simple and reasonable structure and high machining efficiency, and saves materials and production time.

What is claimed is: 
     
         1 . Machining equipment for double-point zipper teeth, comprising a main driving mechanism, a cutter, a punch pin which is in transmission connection with the main driving mechanism and is capable of moving in an up-down direction, a main sliding seat which is in transmission connection with the main driving mechanism and is capable of moving in a front-back direction, and a machining module fixed at a front end of the main sliding seat, wherein the machining module comprises a profile die and a machining die which are disposed in sequence forwards; a via hole is formed in the profile die; a zipper profile moves one zipper tooth site in the via hole at each time under the driving of the main driving mechanism; the cutter and the punch pin are both arranged above the machining module;
 an upper surface of the machining die is provided with a machining die site correspondingly cooperating with the punch pin;   the machining equipment for the double-point zipper teeth further comprises a material clamping mechanism which is in transmission connection with the main driving mechanism; the material clamping mechanism comprises two clamping blocks which are disposed oppositely and are capable of moving in a left-right direction; the two clamping blocks are respectively located on two sides of the machining module;   the main driving mechanism drives the material clamping mechanism to clamp a cut zipper tooth; the main driving mechanism then drives the zipper profile to move to synchronously drive the main sliding seat to backwards move; the cutter cuts one zipper tooth from the zipper profile; the zipper tooth on the material clamping mechanism then falls into the machining die site; and finally, the punch pin moves downwards to cooperate with the machining die site, thus completing the machining of the double-point zipper teeth.   
     
     
         2 . The machining equipment for the double-point zipper teeth according to  claim 1 , wherein
 a bottom of the machining die site is connected with a through hole; the machining equipment for the double-point zipper teeth further comprises an ejection mechanism located at the bottom of the machining die and connected with the main sliding seat; the ejection mechanism comprises an ejection seat, an ejection rod, a pulley base, a pulley, and a sliding plate; the ejection seat is arranged at the bottom of the machining die and is fixedly connected with the main sliding seat; the ejection rod is arranged in the ejection seat in a penetrating manner in an up-down movable manner, and an upper end of the ejection rod is arranged in the machining die site in a penetrating manner, so as to jack up the zipper tooth; the pulley base is located below the ejection seat and is fixedly connected with a lower end of the ejection rod; the pulley is arranged on the pulley base; and the sliding plate is fixed below the pulley and is provided with a first arc-shaped sliding surface correspondingly cooperating with the pulley.   
     
     
         3 . The machining equipment for the double-point zipper teeth according to  claim 1 , wherein
 the main driving mechanism is further connected with a ratchet feed mechanism which is used for driving the zipper profile to move one zipper tooth site at each time.   
     
     
         4 . The machining equipment for the double-point zipper teeth according to  claim 1 , wherein
 the main driving mechanism comprises a motor, a main transmission shaft connected with the motor, and a first cam arranged on the main transmission shaft; the main sliding seat is provided with a first rotating wheel cooperating with the first cam; and the main sliding seat is further connected with a first reset spring used for resetting the main sliding seat.   
     
     
         5 . The machining equipment for the double-point zipper teeth according to  claim 4 , wherein
 the main power mechanism further comprises a second cam arranged on the main transmission shaft; a main punch arm is connected between the second cam and the punch pin; the middle part of the main punch arm is connected with a first rotating shaft; and the main punch arm is further connected with a second reset spring used for resetting the main punch arm.   
     
     
         6 . The machining equipment for the double-point zipper teeth according to  claim 1 , wherein
 the material clamping mechanism further comprises a clamping block sliding seat, two movable bodies, two movable wheels, two second rotating shafts, and two third reset springs used for resetting the two clamping blocks; the clamping block sliding seat is in transmission connection with the main driving mechanism in a front-back movable manner; the two movable bodies are arranged on two sides of the clamping block sliding seat through the two second rotating shafts in a manner of being flipped up and down; upper ends of the two movable bodies are correspondingly connected with ends of the two clamping blocks away from the machining module; the two movable wheels are correspondingly arranged at lower ends of the two movable bodies; and two sides of the clamping block sliding seat are each provided with one second arc-shaped sliding surface correspondingly cooperating with each movable wheel.   
     
     
         7 . The machining equipment for the double-point zipper teeth according to  claim 6 , wherein
 the material clamping mechanism further comprises two positioning guide blocks fixedly disposed; the two clamping blocks are correspondingly arranged in the two positioning guide blocks in a penetrating manner; spring mounting slots are arranged in the positioning guide blocks; and the third reset springs are mounted in the spring mounting slots.   
     
     
         8 . The machining equipment for the double-point zipper teeth according to  claim 6 , wherein
 the clamping block sliding seat is in transmission connection with the main driving mechanism through a cam subassembly; the cam subassembly comprises a second rotating wheel fixed at a rear end of the clamping block sliding seat and a third cam which is fixed behind the clamping block sliding seat and cooperates with the second rotating wheel; the third cam is in transmission connection with the driving mechanism through a gear subassembly; and the clamping block sliding seat is connected with a fourth reset spring used for resetting the clamping block sliding seat.   
     
     
         9 . The machining equipment for the double-point zipper teeth according to  claim 1 , wherein
 the machining module further comprises a sliding block connected between the profile die and the machining die; a top surface of the sliding block is flush with a top surface of the machining die; an end of the sliding block close to the profile die is provided with a protrusion; a top surface of the protrusion is not higher than that of the profile die; the protrusion is provided with an embedding slot which is aligned with the via hole and the machining die site and is used for allowing one end of the zipper tooth to be embedded; and the two clamping blocks are arranged in front of the protrusion.   
     
     
         10 . The machining equipment for the double-point zipper teeth according to  claim 9 , wherein
 ends of the two clamping blocks close to each other are each provided with a recess; the two recesses are respectively located on sides of the two clamping blocks close to the protrusion; and an accommodating space corresponding to the zipper tooth is formed between the embedding slots and the two recesses.