Method and apparatus for manufacturing a bullet charged with compressible composite explosives

Abstract

The present invention relates to a method and apparatus for manufacturing a bullet charged with compressible composite explosives, process of the method comprising: 1) particle explosives is measured using constant quantity supplying device and is charged to a pallette mold; 2) the particle explosives is transferred to pellet-forming mold and then the particle explosives of the pellet-forming mold is molded under constant pressure to a pellet; 3) the pellet-forming mold is transported to the upper side of the bullet body fixing mold, thereby exiting the pellet of the pellet-forming mold, and the pellet which is inserted to the bullet of the bullet body fixing mold is pressed under constant pressure for charging; 4) the bullet with the pellet completely charged is transported to the bullet separating device; and 5) excess explosives is removed through cutting from said bullet.

1 . A method for manufacturing a bullet charged with compressible composite explosives, which comprises:
 a first process in which particle explosives is measured in constant amount by using a particle explosives constant quantity supplying device and is charged to a pallette mold,   a second process in which the particle explosives is transferred to a pellet-forming mold by transporting the pallette mold charged with the particle explosives to the constant pressure molding device, and returned to the particle explosives constant quantity supplying device, and then the particle explosives of the pellet-forming mold is molded under constant pressure to a pellet,   a third process in which the pellet-forming mold is transported to the upper side of the bullet body fixing mold which is supplied to the constant pressure charging device, thereby exiting pellet of the pellet-forming mold, and then the pellet-forming mold is returned to the constant pressure molding device, and the pellet which is inserted to the bullet of the bullet body fixing mold is pressed under constant pressure for charging,   a fourth process in which the bullet with the pellet which is completely charged is transported to the bullet separating device along with the bullet body fixing mold, each bullet is separated from the bullet body fixing mold to be supplied to the excess explosives cutting device, and then new bullet body fixing mold is supplied to the constant pressure charging device, and   a fifth process in which excess explosives is removed through cutting from said bullet.   
     
     
         2 . The method for manufacturing a bullet charged with compressible composite explosives according to  claim 1 , wherein the fourth process is performed after repeating the first process through the third process three times. 
     
     
         3 . The method for manufacturing a bullet charged with compressible composite explosives according to  claim 1  or  2 , wherein the pallette mold and pellet-forming mold and the bullet body fixing mold are divided into 64 sections so that 64 bullets are produced per one cycle. 
     
     
         4 . Apparatus for manufacturing a bullet charged with compressible composite explosives, which comprises:
 a particle explosives constant quantity supplying device which measures particle explosives in constant amount and charges a pallette mold divided into a plurality of partitions with the explosives,   a constant pressure molding device which inserts particle explosives of the pallette mold to the pellet-forming mold and molds the explosives into a pellet by using a plurality of punch operating at the same pressure,   a constant pressure charging device which press-charges the pellet of the pellet-forming mold into a bullet body fixing mold by using a plurality of punch operating at the same pressure,   a bullet supplying device which supplies the bullet body fixing mold to the constant pressure charging device,   a mold transporting means which repeatedly transports the pallette mold between the constant pressure molding device and constant pressure charging device, and repeatedly transports the bullet body fixing mold between the constant pressure charging device and the bullet supplying device,   a bullet separating device installed at the bullet supplying device to separate the bullet from the bullet body fixing mold, and   an excess explosives cutting device which transports the bullet separated by the bullet separating device to a conveyer and cuts excess explosives of the bullet.   
     
     
         5 . The apparatus for manufacturing a bullet charged with compressible composite explosives according to  claim 4 , wherein the particle explosives constant quantity supplying device comprises a frame provided with a transport guide, a hopper installed at the upper side of the frame with opening and closing slider equipped at an exit, a constant volume measuring mold which exits through a plurality of holes the particle explosives supplied from the hopper in constant amount and charges the mold hole of the pallette mold located at lower portion thereof, and a pallette mold transporting means which transports the pallette mold to the constant pressure molding device when particle explosives is completely charged. 
     
     
         6 . The apparatus for manufacturing a bullet charged with compressible composite explosives according to  claim 4 , wherein the pallette mold, pellet-forming mold and the bullet body fixing mold are respectively equipped with 64 or more of mold hole having the 8×8 structure. 
     
     
         7 . The apparatus for manufacturing a bullet charged with compressible composite explosives according to  claim 4 , wherein the constant pressure molding device comprises a lower frame housing the pellet-forming mold, a upper frame which is installed in a way to move up and down along a guide bar installed at 4 corners of the lower frame, and a constant pressure chamber located at the lower part of the upper frame to mold the particle explosives into a pellet by applying constant molding pressure to a plurality of punches inserted to the mold hole of the pellet-forming mold. 
     
     
         8 . The apparatus for manufacturing a bullet charged with compressible composite explosives according to  claim 7 , wherein a vacuum box which separates the inner side where the pellet-forming mold locates from the outer side is equipped so that the pellet molding is carried out under vacuum. 
     
     
         9 . The apparatus for manufacturing a bullet charged with compressible composite explosives according to  claim 7 , wherein the constant pressure chamber comprises a chamber body which includes a plurality of holes for installing a spool which drives the punch and a groove for interconnecting each hole, and a punch holder which is formed in one body with the chamber body and to which the punch is combined. 
     
     
         10 . The apparatus for manufacturing a bullet charged with compressible composite explosives according to  claim 9 , wherein the constant pressure chamber further comprises a punch guide fixed the lower part of the punch holder to guide the punch. 
     
     
         11 . The apparatus for manufacturing a bullet charged with compressible composite explosives according to  claim 4 , wherein the constant pressure charging device comprises a lower frame housing the bullet body fixing mold, a upper frame which is installed in a way to move up and down along a guide bar installed at 4 corners of the lower frame, and a constant pressure chamber located an the lower part of the upper frame to charge the pellet to the bullet of the bullet body fixing mold by applying constant molding pressure to a plurality of punches inserted to the mold hole of the pellet-forming mold. 
     
     
         12 . The apparatus for manufacturing a bullet charged with compressible composite explosives according to  claim 11 , wherein the constant pressure charging device further comprises a vacuum box so that the pellet molding is carried out under vacuum. 
     
     
         13 . The apparatus for manufacturing a bullet charged with compressible composite explosives according to  claim 4  or  11 , wherein the bullet body fixing mold comprises a lower mold which is equipped with a plurality of holes to which the bullet is constant, and a upper mold which is equipped with a plurality of holes into which the punch is inserted and which is combined detachably to the lower mold fixing the bullet which is fixed to the lower mold. 
     
     
         14 . The apparatus for manufacturing a bullet charged with compressible composite explosives according to  claim 13 , wherein only the lower mold among the bullet body fixing mold is transported to the bullet supplying device. 
     
     
         15 . The apparatus for manufacturing a bullet charged with compressible composite explosives according to  claim 4 , wherein the bullet supplying device comprises a transport guide for fixing bullet body fixing mold so that the process of fixing a plurality of bullet to the bullet body fixing mold, transporting the bullet body fixing mold to the constant pressure charging device and separating the bullet transported from the constant pressure charging device from the bullet body fixing mold is carried out sequentially, the transport guide being constructed so that 3 or more of bullet body fixing molds are arranged and each process is carried out continuously through the orbital shape of the transport guide. 
     
     
         16 . The apparatus for manufacturing a bullet charged with compressible composite explosives according to  claim 4 , wherein the bullet separating device comprises a finger frame which picks up the bullet of the bullet body fixing mold by using a plurality of fingers that can pick the bullet and transports to the conveyer of the cutting device of excess explosives, a lifting cylinder installed on a main frame to lift the finger frame, and a transport means installed on the main frame to transport the finger frame to the direction of the excess explosives cutting device. 
     
     
         17 . The apparatus for manufacturing a bullet charged with compressible composite explosives according to  claim 4 , wherein the excess explosives cutting device comprises a cutter for cutting the explosives charged over the bullet, a supply conveyer for transporting the bullet supplied from the bullet separating device to the cutter, a exit conveyer for exiting the bullet from which excess explosives is removed by the cutter, and a bullet holding wheel which picks up each bullet of the supply conveyer in a way the metal cross section of the bullet is located perpendicularly to the blade of the cutter and supplies the bullet to the cutter, and supplies the bullet with excess explosives removed to the exit conveyer. 
     
     
         18 . The apparatus for manufacturing a bullet charged with compressible composite explosives according to  claim 4 , wherein the mold transporting means is composed of a first transport means which transports the pellet-forming mold and a second transport means which transports the bullet body fixing mold, the first transport means being operated to transport the pellet-forming mold at a higher position compared to the second transport means.