Flexible Adaptive High-Precision Mold

Abstract

The present invention discloses a flexible adaptive high-precision mold. A die-casting machine table plate is externally connected to a die-casting machine, a mold release plate is mounted at a middle portion of the die-casting machine table plate through a hydraulic mechanism, adapter plates are mounted on two sides of a bottom surface of the die-casting machine table plate, a connecting plate is suspended and connected to each adapter plate, positioning columns are mounted at four corners of the bottom plate, an ejection rod plate is connected to a mold release ring through connecting columns, the connecting columns are slidably connected to a top mold, the mold release ring matches side molds, a mold cavity for forming workpieces is formed through the bottom mold, the top mold and the side molds, and return columns are mounted on four sides of the ejection rod plate.

What is claimed is: 
     
         1 . A flexible adaptive high-precision mold, comprising a bottom mold ( 1 ), a top mold ( 2 ), a bottom plate ( 3 ), a die-casting machine table plate ( 8 ), an ejection rod plate ( 11 ), and a mold release ring ( 12 ), wherein the die-casting machine table plate ( 8 ) is arranged above the bottom plate ( 3 ) and externally connected to a die-casting machine, a mold release plate ( 7 ) is mounted at a middle portion of the die-casting machine table plate ( 8 ) through a hydraulic mechanism, an adapter plate ( 9 ) is mounted on each of two sides of a bottom surface of the die-casting machine table plate ( 8 ), the adapter plate ( 9 ) has a Z-shaped structure, a connecting plate ( 10 ) is suspended and connected to each adapter plate ( 9 ), the top mold ( 2 ) is mounted on the connecting plate ( 10 ), the bottom mold ( 1 ) is mounted on the bottom plate ( 3 ), a positioning column ( 4 ) is mounted at each of four corners of the bottom plate ( 3 ), a side mold ( 13 ) is provided between two adjacent positioning columns ( 4 ), an upper end of the positioning column ( 4 ) is mated with a positioning sleeve on the top mold ( 2 ), the ejection rod plate ( 11 ) is connected to the mold release ring ( 12 ) through connecting columns ( 5 ), the connecting columns ( 5 ) are slidably connected to the top mold ( 2 ), the side mold ( 13 ) is mounted on the bottom plate ( 3 ), the mold release ring ( 12 ) matches the side mold ( 13 ), a mold cavity for forming workpieces is formed through the bottom mold ( 1 ), the top mold ( 2 ) and the side molds ( 13 ), and a return column ( 6 ) is mounted on each of four sides of the ejection rod plate ( 11 );
 the return column ( 6 ) is arranged coaxially with the positioning column ( 4 ), the position of the ejection rod plate ( 11 ) is restricted or adjusted by the mating of the positioning column ( 4 ) and the return column ( 6 ), the top mold ( 2 ) is provided with a clearance groove ( 30 ) to ensure the smoothness of movement of the mold release ring ( 12 ), and the clearance groove ( 30 ) is arranged at a mating position between the mold release ring ( 12 ) and the top mold ( 2 );   each of the adapter plates ( 9 ) is provided with a mating plane I ( 15 ), a mating plane II ( 16 ), a mating plane III ( 17 ), and four bolt holes I ( 14 ); each of the adapter plates ( 9 ) is mounted on the bottom surface of the die-casting machine table plate ( 8 ) through four bolts I and the four corresponding bolt holes I ( 14 ); the mating plane I ( 15 ) is slidably connected to the connecting plate ( 10 ) to adjust the gap between the adapter plate ( 9 ) and the connecting plate ( 10 ) in a front-back direction, the mating plane II ( 16 ) is mated with the bottom surface of the die-casting machine table plate ( 8 ), a gap is provided between an upper end surface of the connecting plate ( 10 ) and a lower end surface of the die-casting machine table plate ( 8 ) to adjust a vertical direction position, and a gap is provided between the mating plane III ( 17 ) and the connecting plate ( 10 ) to adjust a horizontal direction; and   the lower end of each of the positioning columns ( 4 ) is provided with a mounting seat ( 22 ), the upper end of each of the positioning columns ( 4 ) is provided with a guide column ( 23 ), each of the guide columns ( 23 ) is provided with a pin hole ( 24 ) for lifting, and each of the mounting seats ( 22 ) is provided with four bolt holes III ( 21 ) circumferentially; the pin hole ( 24 ), the guide column ( 23 ), the positioning column ( 4 ), and the mounting seat ( 22 ) are integrally formed to reduce assembly tolerances; the mounting seat ( 22 ) is mounted in a corresponding groove on the bottom plate ( 3 ), and the mounting seat ( 22 ) is mounted on the bottom plate ( 3 ) through the four bolt holes III ( 21 ) and bolts III.   
     
     
         2 . The flexible adaptive high-precision mold according to  claim 1 , wherein a lower end of the connecting plate ( 10 ) is provided with bolt holes II ( 19 ), the bolt holes II ( 19 ) are mounted at a top of the top mold ( 2 ) through bolts II, and an upper end of the connecting plate ( 10 ) is provided with a mating plane V ( 20 ) for mating with the mating plane III ( 17 ) and a mating plane IV ( 18 ) for mating with the mating plane I ( 15 ). 
     
     
         3 . The flexible adaptive high-precision mold according to  claim 2 , wherein a plurality of exhaust grooves ( 29 ) are circumferentially and uniformly provided at intervals on the mold release ring ( 12 ), the exhaust grooves ( 29 ) penetrate the mold release ring ( 12 ) to ensure smooth exhaust of the mold cavity, the mold release ring ( 12 ) is provided with eight bolt holes V ( 31 ), and the eight bolt holes V ( 31 ) are connected to the connecting columns ( 5 ) through corresponding bolts V to ensure the stability of the mold release ring ( 12 ) during operation. 
     
     
         4 . The flexible adaptive high-precision mold according to  claim 3 , wherein guide flat keys ( 26 ) and two wear-resistant flat keys I ( 25 ) are provided on four sides of the bottom plate ( 3 ), the guide flat keys ( 26 ) are distributed at middle positions of the four sides of the bottom plate ( 3 ), the two wear-resistant flat keys I ( 25 ) are distributed on two sides of the guide flat keys ( 26 ) respectively, a bottom end of each of the side molds ( 13 ) is provided with guide wear-resistant keys ( 27 ) matching the guide flat keys ( 26 ), the guide wear-resistant keys ( 27 ) are mounted in the middle of the bottom end of the side mold ( 13 ) through four bolt holes IV and corresponding bolts IV, a lower portion of the guide wear-resistant key ( 27 ) is provided with a positioning slot ( 28 ), the positioning slot ( 28 ) is mated with the guide wear-resistant key ( 27 ), and two sides of the guide wear-resistant keys ( 27 ) are provided with wear-resistant flat keys II mated with the wear-resistant flat keys I ( 25 ). 
     
     
         5 . The flexible adaptive high-precision mold according to  claim 4 , wherein positioning key slots are provided at the middle positions of the four sides of the bottom plate ( 3 ), the positioning key slots are spaced apart from the guide flat keys ( 26 ), the positioning key slots are arranged between the center of the bottom plate ( 3 ) and the guide flat keys ( 26 ), a wedge-shaped positioning key ( 32 ) is mounted in each of the positioning key slots, and the bottom mold ( 1 ) is assembled to the bottom plate ( 3 ) through the four wedge-shaped positioning keys ( 32 ).