Projectile body charging fuze hole forming charging device and process method

Abstract

The application provides a bullet body charging fuze hole forming charging device and a process method, and belongs to the field of bullet charging processing. In order to solve the problem that the fuze hole charge column cannot be processed and formed in the bullet charging process, the charge column structure designed according to the bullet charging is used, and the charging device is characterized in that it comprises a base, a punch, a guide cylinder and a pressing plate. The punch comprises punch 1, punch 2, punch 3, punch 4 and punch 5. The length of the punch is controlled to control the size of each formed charge column, and the pressing of four charge columns is completed by using five punches. The front charge column is pressed by single punching, and a working cavity of the rear charge column is formed. The bullet charging and pressing forming of the fuze hole type charge column are realized. The device and the process method can be used to directly press and form the fuze hole.

Description

TECHNICAL FIELD

[0001] The present application relates to a bullet charging fuze hole forming charging device and process method, and belongs to the field of bullet charging. BACKGROUND

[0002] The conventional bullet charging product usually adopts a flat fuze structure, and a flat punch is selected for the processing technology, and the operation process is relatively simple. With the continuous high-speed development of weapon equipment, the deep hole type and other special-shaped grain column structures are configured in the combat unit, and the traditional process method cannot meet the requirements of the special-shaped grain column structure, so the mold design, process method and the like are continuously innovated to gradually adapt to different requirements of weapon equipment. SUMMARY

[0003] The purpose of the present application is to solve the problem that the fuze hole grain column cannot be processed and formed during the bullet charging process, and a charging device and process method suitable for bullet pressing and forming of the deep hole grain column structure of the fuze chamber are designed according to the grain column structure designed for bullet charging.

[0004] The purpose of the present application is achieved by the following technical scheme:

[0005] A charging device suitable for bullet pressing and forming of the deep hole grain column structure of the fuze chamber, characterized in that it comprises a base, a punch, a guide cylinder and a pressing plate; the punch comprises punch 1, punch 2, punch 3, punch 4 and punch 5; the base forms a positioning base, the guide cylinder plays a role of guiding the movement direction of the punch, and the punch is used for pressing the grain column; the base is matched with a fixed base on a device trolley, the base end face is provided with a bullet, and the bullet is attached to the base end face; a positioning reference is provided for the bullet, and a horizontal fixing role is played; the guide cylinder is matched with the bullet interface, is installed at the bullet mouth, forms a charging working cavity with the bullet, and plays a role of guiding the punch; the pressing plate center hole is matched with the outer diameter of the guide cylinder, falls on the guide cylinder horizontal table, and the pressing plate two ends are locked by using the device trolley column to fix the bullet; the guide cylinder and the inner wall of the bullet form a working cavity, and the working cavity is used for pouring explosive; the upper end cylindrical section of the punch is consistent with the inner diameter of the guide cylinder, is matched with the guide cylinder, the lower end of the punch is aligned with the guide cylinder, is used for inserting into the guide cylinder, and extrudes the explosive to the required shape; the pressing end faces of punch 1, punch 2 and punch 3 are flat surfaces, are used for pressing the first three grain columns, and form a working cavity of the last grain column; the front end face of punch 4 protrudes from the upper end cylindrical section, the front end diameter and length are larger than the required fuze hole diameter and size, and are used for pre-pressing and forming the grain column; the end face shape of punch 5 is consistent with the size of the fuze hole, and is used for pressing and forming the fuze hole grain column.

[0006] Further, the upper end face horizontal table of the punch is matched with the clamping mechanism of the pressing machine, is used for pulling out the punch after pressing the explosive, and realizes the mold stripping.

[0007] Further, the punch is controlled by the downward movement of the pressing machine.

[0008] The application discloses a charging process method suitable for the compression molding of a deep-hole charge column structure projectile body of a fuze chamber, characterized in that the device is used, the punch 1, the punch 2 and the punch 3 are used for the compression molding of the first three sections of the charge column and the formation of a working cavity of the last section of the charge column; the punch 4 is used for the pre-compression molding of the last section of the charge column; and the punch 5 is used for the compression molding of the last section of the charge column.

[0009] Further, the device is used, the length of the punch is controlled to control the size of each section of the molded charge column, and the compression molding of the four sections of the charge column is completed by using the five punches; the single punch is used for the compression molding of the first section of the charge column and the formation of the working cavity of the last section of the charge column; the pre-compression punch and the molding punch are used for the last section of the charge column, the density distribution of the explosive at different positions in the compression process of the explosive is controlled by changing the sizes of the end faces of the two kinds of punches, and the compression molding of the charge column projectile body of the fuze hole type is realized; the punch 4 is the pre-compression punch; and the punch 5 is the compression punch.

[0010] Further, the base, the pressing plate and the basic device of the pressing machine are used to complete the fixation of the projectile body.

[0011] Further, the punch is slowly moved downward under the action of the force of the pressing machine and extrudes the explosive to the required shape.

[0012] Beneficial effects

[0013] The compression explosive device has the advantages of simple structure, convenient operation process, realization of the compression molding of the charge column projectile body of the fuze chamber deep hole type, improvement of the charging quality and the safety of the charging process, and guidance significance for the special-shaped charging of the projectile body in other equipment research and development projects. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 Charging device schematic view

[0015] 1 - base 2 - punch 1 3 - punch 2 4 - punch 3 5 - punch 4 6 - punch 5 7 - pressing plate 8 - guide cylinder DETAILED DESCRIPTION

[0016] The content of the application will be further described below in combination with the drawings and the embodiments.

[0017] The application discloses a charging device suitable for the compression molding of a deep-hole charge column structure projectile body of a fuze chamber, which comprises a base, a guide cylinder, a punch 1, a punch 2, a punch 3, a punch 4, a punch 5 and a pressing plate.

[0018] The base forms a positioning base, the guide cylinder, the projectile body and the punch form a working cavity, the guide cylinder plays a role in guiding the movement direction of the punch, the punch is used for the compression molding of the charge column, and the pressing plate guarantees the stability of the projectile body in the compression and punch extraction process.

[0019] The application discloses a charging device suitable for deep-hole charge column structure body pressing forming of a fuze chamber, which comprises a base 1, a punch 12, a punch 23, a punch 34, a punch 45, a punch 56, a guide cylinder 8 and a pressing plate 7.

[0020] The base 1 is matched with a fixed base on a device trolley and is fixed on an in-out trolley. The base 1 is provided with a body for providing a positioning reference for the body and plays a horizontal fixing role.

[0021] The guide cylinder 8 is matched with a body interface and has the same size as the distance end face of the charge column, forms a charging working cavity with the body and plays a guide punch role.

[0022] The pressing plate 7 acts on the guide cylinder 8 and is fixed on a pressing trolley column, locks the body and plays a vertical positioning role, and controls the body from moving in the pressing process.

[0023] The punch cylindrical section has the same inner diameter as the guide cylinder and is used in cooperation with the guide cylinder, the upper end face horizontal table of the punch is matched with a pressing machine clamping mechanism and is used for pulling out the punch after pressing and realizing die withdrawal.

[0024] The pressing end faces of the punch 1, the punch 2 and the punch 3 are flat surfaces, are used for pressing the first three sections of the charge column and form a working cavity of the last section of the charge column; the end face of the punch 4 protrudes a column with a size larger than the diameter of a required fuze hole and a size longer than the diameter, and the overall size is relatively short, and the punch 4 is used for pre-pressing forming of the charge column; the end face of the punch 5 has the same shape as the size of the fuze hole and is used for pressing and forming the charge column of the fuze hole.

[0025] When pressing, the base 1 is installed on the device trolley, the body is placed on the base and is attached to the end face of the base; the guide cylinder 8 is installed at the mouth of the body, the center hole of the pressing plate 7 is matched with the outer diameter of the guide cylinder, falls on the horizontal table of the guide cylinder 8, the pressing plate 7 is locked by the trolley column and fixes the body; the guide cylinder 8 and the inner wall of the body form a working cavity, explosive is poured into the working cavity; the lower end of the punch is aligned with the guide cylinder and is inserted into the guide cylinder, the punch is slowly moved downward by controlling the downward movement of the pressing machine, and the explosive is extruded to the required shape at the same time; the pressing end faces of the punch 12, the punch 23 and the punch 34 are flat surfaces, are used for pressing the first three sections of the charge column and form a working cavity of the last section of the charge column; the end face of the punch 45 protrudes a column with a size larger than the diameter of a required fuze hole and a size longer than the diameter, and the overall size is relatively short, and the punch 45 is used for pre-pressing forming of the charge column; the end face of the punch 56 has the same shape as the size of the fuze hole and is used for pressing and forming the charge column of the fuze hole.

[0026] The application discloses a charging device suitable for deep-hole charge column structure body pressing forming of a fuze chamber, which comprises a base 1, a punch 12, a punch 23, a punch 34, a punch 45, a punch 56, a guide cylinder 8 and a pressing plate 7.

[0027] The body is fixed by using the base, the pressing plate and the pressing machine basic device;

[0028] The size of each section of the formed charge column is controlled by controlling the length of the punch, and the pressing of the four sections of the charge column is completed by using the five punches.

[0029] The front section propellant column is formed by single stamping and the working cavity of the rear section propellant column is formed;

[0030] The rear section propellant column is formed by a pre-stamping punch and a forming punch, the density distribution of the explosive during the stamping process is changed through the change of the end face size of the two punches, the propellant column with consistent density distribution is formed, and the propellant column of the fuze hole type projectile body is formed by stamping.

Claims

1. A charge device suitable for press forming of a structure of a deep hole propellant grain for a fuze chamber, characterized in that, It comprises a base (1), punches, a guide cylinder (8) and a pressing plate (7). The punches comprise punch 1, punch 2, punch 3, punch 4 and punch 5. The base forms a positioning base, the guide cylinder (8) guides the movement direction of the punch, and the punch is used for pressing the propellant grain. The base (1) is matched with the fixed base on the equipment trolley, the base (1) is placed on the end face of the projectile body, so that the projectile body is attached to the end face of the base, a positioning reference is provided for the projectile body, and a horizontal fixing effect is achieved. The guide cylinder (8) is matched with the interface of the projectile body, is installed at the mouth of the projectile body, forms a charging working cavity with the projectile body, and guides the punch. The central hole of the pressing plate (7) is matched with the outer diameter of the guide cylinder, falls on the horizontal table of the guide cylinder (8), the two ends of the pressing plate (7) are locked by the column of the equipment trolley, the projectile body is fixed, the guide cylinder (8) and the inner wall of the projectile body form a working cavity, and the working cavity is used for pouring explosives. The cylindrical section at the upper end of the punch is consistent with the inner diameter of the guide cylinder, is used in cooperation with the guide cylinder, the lower end of the punch is aligned with the guide cylinder, is used for inserting into the guide cylinder, and is used for extruding explosives to the required shape. The end faces of punch 1, punch 2 and punch 3 are flat surfaces, are used for pressing the first three propellant grains, and form a working cavity of the last propellant grain; the front end face of punch 4 protrudes from the upper end of the cylindrical section, the diameter and length of the front section are larger than the diameter and size of the required fuse hole, and are used for pre-pressing the propellant grain; the end face of punch 5 is shaped to keep the size of the fuse hole consistent, and is used for pressing and forming the propellant grain of the fuse hole.

2. The charge device according to claim 1, characterized in that, The horizontal table at the upper end of the punch is matched with the clamping mechanism of the pressing machine, is used for pulling out the punch after pressing the propellant grain, and realizes die withdrawal.

3. The charge device of claim 1, wherein, The punch is controlled to move downward by the pressing machine.

4. A process for the compaction of a charge suitable for the press forming of a structure of a deep hole propellant grain for a fuze chamber, characterized in that, The device of claim 1 is adopted, Punch 1, punch 2 and punch 3 are used for pressing the first three propellant grains, and form a working cavity of the last propellant grain; punch 4 is used for pre-pressing the last propellant grain; and punch 5 is used for pressing and forming the propellant grain of the fuse hole of the last propellant grain.

5. The charging process method suitable for the propellant grain structure projectile body pressing and forming of the fuse chamber deep hole according to claim 4, characterized in that, The length of the punch is controlled to control the size of each formed propellant grain, and five punches are used to complete the pressing of four propellant grains; The first propellant grain is pressed by a single punch, and a working cavity of the last propellant grain is formed; The last propellant grain adopts a pre-pressing punch and a forming punch, the density distribution of the explosive at different positions in the pressing process is controlled through the size change of the end faces of the two punches, the pressing and forming of the propellant grain of the fuse hole type are realized, punch 4 is a pre-pressing punch, and punch 5 is a pressing punch.

6. The process of charging for press forming of the body of the structure of the deep hole charge of the fuze chamber according to claim 5, characterized by that, The base, the pressing plate and the basic device of the pressing machine are used to fix the projectile body.

7. The method of a process for the press forming of a shaped charge liner for a deep hole charge column structure in a fuze chamber according to any one of claims 4 to 6, characterized in that, The punch is slowly moved downward under the action of the pressing force of the pressing machine, and extrudes the explosive to the required shape.

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