Large-hole-volume perforating bullet and production device and production method thereof
A production device and production method technology, which is applied in the direction of warheads, ammunition, projectiles, etc., can solve the problems that perforating bullets cannot take into account the perforation depth and perforation aperture at the same time, and the volume of perforation channels is not high, so as to improve oil recovery rate and perforation channel volume. High and simple production method
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Embodiment 1
[0046] A large-volume perforating charge, such as figure 1 As shown, it includes a shell case 1, and the shell case 1 is provided with an explosive 3 and a booster charge 2 located at one end of the explosive 3, wherein the explosive 3 and the booster charge 2 together form a pre-pressed charge column, the The inner cover of the pre-pressed powder column is provided with a first-level drug-type cover 4, and the end of the first-level drug-type cover 4 away from the booster charge 2 is provided with a second-level drug-type cover 5, and the outer side of the second-level drug-type cover 5 The wall is attached to the inner side of the pre-pressed charge and extends to contact with the inner wall of the cartridge case 1, and the opening of one end of the cartridge case 1 away from the booster charge 2 is provided with a drug-shaped cover fixing ring 6 for The secondary drug-type cover 5 is fixed on the cartridge case 1 and does not fall off, and the end of the secondary drug-type...
Embodiment 2
[0048] A kind of production device that is used to produce the large hole volume perforating charge in embodiment 1, such as Figure 2-3 As shown, the production device is specifically a mobile pressing mold, including: a mold body 9 for placing the shell case 1, and a mold for pressing the explosive 3 and the booster 2 to form a pre-pressed charge column. Punch 7, the opening at one end of the mold main body 9 is detachably provided with a centralizing sleeve 8 for inserting the punch 7 into the cartridge case 1 and limiting deviation, and the mold main body 9 is far away from the centralizing sleeve 8 A base 10 is provided at one end.
[0049] Further, in the embodiment of the present invention, the centralizing sleeve 8 is sleeved on the outer circle of the opening of the mold main body 9, and there is a hole in the middle of the centralizing sleeve 8 for the punch 7 to be inserted into the The opening in the shell case 1, the diameter of the opening is the same as the dia...
Embodiment 3
[0054] A method for producing a perforating charge with a large pore volume, the production method of the perforating charge with a large pore volume adopts the production device in Example 2, and specifically includes the following steps:
[0055] 1) Charge: as attached Figure 4 As shown, the weighed booster charge 2 is poured into the inner cavity of the shell case 1, and then the weighed explosive 3 is poured into the inner cavity of the shell case 1 and covered with the booster charge 2, and the shell case containing the booster charge 2 and the explosive charge 3 1 is placed in the mold main body 9, and the explosive 3 and booster 2 are loose charges at this time;
[0056] 2) Clamping and pressing: as attached Figure 5-6 As shown, set the centralizing sleeve 8 on the mold main body 9, the centralizing sleeve 8 is close to the cartridge case 1, to prevent the explosive 3 from being squeezed out, put the punch 7 into the cartridge case 1 and fall by its own weight, and t...
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