Process device for processing flat hole in upper body of armor-breaking killing bullet fuse

By designing a process device for the upper body part of an armor-piercing bullet fuse, and utilizing the punch press spindle and mold structure, the flat hole is processed quickly and stably, solving the problems of low efficiency and insufficient precision in the existing technology, and improving production efficiency and quality.

CN224087742UActive Publication Date: 2026-04-07NANYANG NORTH HONGYU ELECTRO-MECHANICAL MFG CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-15
Publication Date
2026-04-07

AI Technical Summary

Technical Problem

Existing technologies are inefficient in machining flat holes in the upper body parts of armor-piercing projectile fuses, failing to meet production cycle requirements and making it difficult to guarantee the accuracy of dimensional and appearance indicators.

Method used

A process device comprising a processing section and a fixing section was designed. Utilizing the structure of a punch press spindle and a die, the upper die is connected to the inner hole of the punch press spindle via an upper nut. Combined with the fixing method of the positioning block and the punch seat, a flat hole can be processed quickly.

Benefits of technology

This improved the production efficiency and quality stability of the upper body parts of the armor-piercing projectile fuse, met process requirements, reduced manufacturing costs, and saved resources.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a process device for processing a flat hole on an upper body of a fuse of an armor-breaking killing bullet, which comprises a processing part and a fixing part, the processing part is characterized in that an upper die is arranged in a connecting handle, a material returning punch is arranged in the upper die, a cylindrical pin penetrating through the connecting handle is connected with the upper die, and the processing part is connected with an inner hole of a main shaft of a punching machine; the fixed part is provided with a punch seat on a base, a positioning block is arranged at the top of an ejector rod penetrating through the base and the punch seat, a punch penetrates through the positioning block to be connected with the punch seat, and the punch seat, the positioning block and the base are fixedly connected through a lower nut. The workpiece loading and unloading speed is high, the production efficiency is high, the part quality is good, the equipment is slightly superior in use, and the utilization rate of high-quality resources is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of process devices for the flat hole processing of bullet fuse upper body, and is a kind of special mould for the flat hole processing of bullet fuse upper body. BACKGROUND

[0002] The fuse upper body part is a core part in some bullet, and the material of the part is 7A04-T6 A grade round bar. The process design is that the center of the part is a φ8mm hole, a stepped flat hole with a thickness of 1.6mm is processed on the top of the part, the size tolerance of the flat hole is small, the shape and position tolerance and the surface roughness are required to be strict, the processing difficulty is great, the process requirement is high, the flat hole is used to fix the inertia cylinder part, the inertia cylinder part is connected with the firing pin part through thread, the firing pin and the tail rotate simultaneously during the bullet launching process, the fuse upper body and the inertia cylinder are prevented from rotating, and the bullet launching effect is realized. The existing flat hole processing method of the fuse upper body part is to use a machining center device to complete the drawing size by milling hole process. The disadvantage of this processing method is low working efficiency, which cannot meet the normal production rhythm and restricts the flow operation process. SUMMARY

[0003] The utility model solves the technical problems to provide a kind of safe and reliable, quality stable, production efficiency high for bullet fuse upper body part flat hole processing process device, meet the fuse upper body part flat hole processing, size and appearance index meet the process requirement.

[0004] To solve the above technical problems, the utility model adopts the technical scheme as follows: a kind of process device for the flat hole processing of bullet fuse upper body, including processing part and fixed part, the processing part is in the connecting handle and is equipped with upper die, upper die is equipped with material removing punch in, cylindrical pin passing through connecting handle is connected with upper die, processing part is connected with punch main shaft inner hole;The fixed part is equipped with punch holder on base, the top of the top rod passing through base and punch holder is equipped with positioning block, punch passes through positioning block and is connected with punch holder, lower nut is fixedly connected with punch holder, positioning block and base.

[0005] A pad is further arranged between the base and the punch holder.

[0006] The processing part is connected with the punch main shaft inner hole by screwing the upper die, the connecting handle and the punch main shaft inner hole tightly and firmly through the upper nut.

[0007] The base is provided with a gasket and a buffer pad, and a screw rod penetrates the gasket, the buffer pad and the base to be placed on the punch workbench, and is fixed by a hexagonal nut.

[0008] The utility model discloses a process device for the flat hole processing of the upper body of an armor-piercing killing bullet fuse is designed by the above technical scheme, and the workpiece is fast to assemble and disassemble, the production efficiency is high, the part quality is good, and the equipment use is slightly replaced the advantage, and the utilization of high-quality resources is saved. BRIEF DESCRIPTION OF DRAWINGS

[0009] Figure 1 The utility model discloses a fixture structure schematic drawing shows;

[0010] Figure 2 The utility model discloses a connecting handle structure schematic drawing shows;

[0011] Figure 3 The utility model discloses an upper nut structure schematic drawing shows;

[0012] Figure 4 The utility model discloses a top structure schematic drawing shows; Figure 3

[0013] Figure 5 The utility model discloses an upper die structure schematic drawing shows;

[0014] Figure 6 The utility model discloses a top structure schematic drawing shows; Figure 5

[0015] Figure 7 The utility model discloses a material return punch structure schematic drawing shows;

[0016] Figure 8 The utility model discloses a top structure schematic drawing shows; Figure 7

[0017] Figure 9 The utility model discloses a lower nut structure schematic drawing shows;

[0018] Figure 10 The utility model discloses a top structure schematic drawing shows; Figure 9

[0019] Figure 11 The utility model discloses a top rod structure schematic drawing shows;

[0020] Figure 12 The utility model discloses a gasket structure schematic drawing shows;

[0021] Figure 13 The utility model discloses a screw rod structure schematic drawing shows;

[0022] Figure 14 The utility model discloses a buffer pad structure schematic drawing shows;

[0023] Figure 15 ​​​​The utility model discloses base structure schematic diagram shows.

[0024] Figure 16 The utility model discloses base structure schematic diagram shows. Figure 15

[0025] Figure 17 The utility model discloses base structure schematic diagram shows.

[0026] Figure 18 The utility model discloses base structure schematic diagram shows. Figure 17

[0027] Figure 19 The utility model discloses base structure schematic diagram shows.

[0028] Figure 20 The utility model discloses base structure schematic diagram shows. Figure 19

[0029] Figure 21 The utility model discloses base structure schematic diagram shows.

[0030] Figure 22 The utility model discloses base structure schematic diagram shows. Figure 21

[0031] Figure 23 The utility model discloses base structure schematic diagram shows.

[0032] Figure 24 The utility model discloses base structure schematic diagram shows. Figure 23

[0033] Figure 25 The utility model discloses base structure schematic diagram shows.

[0034] Figure 26 The utility model discloses base structure schematic diagram shows. Figure 25

[0035] Figure 27 The utility model discloses base structure schematic diagram shows.

[0036] In the drawing: 1 - connecting handle, 2 - upper nut, 3 - upper mould, 4 - material removing punch, 5 - lower nut, 6 - top rod, 7 - gasket, 8 - buffer pad, 9 - screw rod, 10 - hexagonal nut, 11 - base, 12 - cushion block, 13 - punch seat, 14 - positioning block, 15 - punch, 16 - cylindrical pin. DETAILED DESCRIPTION

[0037] The utility model discloses base structure schematic diagram shows.

[0038] ​​​​​​The utility model is used for the process device of the flat hole processing of the upper body flat hole of armor-piercing killing bullet fuse, see Figures 1 to 27 , including processing part and fixed part.

[0039] Processing part is equipped with upper die 3 in connecting handle 1, is equipped with material returning punch 4 in upper die 3, and cylindrical pin 16 passing through connecting handle 1 is connected with upper die 3, and processing part is connected with punch main shaft inner hole. Processing part and punch main shaft inner hole connection is through upper nut 2 and is connected with punch main shaft inner hole and is screwed tightly firm with upper die 3, connecting handle 1.

[0040] Fixed part is equipped with punch holder 13 on base 11, and is provided with pad 12 between base 11 and punch holder 13, and top rod 6 passing through base 11, pad 12, punch holder 13 is equipped with positioning block 14 at the top, punch 15 passes through positioning block 14 and is connected with punch holder 13, and lower nut 5 is fixedly connected with punch holder 13, positioning block 14 and base 11. Base 11 is equipped with gasket 7 and buffer pad 8, gasket 7 is placed on the upper portion of buffer pad 8, screw rod 9 is penetrated in gasket 7, buffer pad 8 and base 11 is placed on punch workbench surface and is fixed with hexagonal nut 10.

[0041] When the utility model processes parts, punch 15 is penetrated into the center hole of fuse upper body, parts are placed on positioning block 14, start button, punch main shaft falls, and flat hole processing can be completed.

Claims

1. A processing apparatus for machining flat holes on the upper body of an armor-piercing projectile fuse, comprising a machining section and a fixing section, characterized in that: The processing part has an upper die inside the connecting handle, and a ejector punch inside the upper die. A cylindrical pin passing through the connecting handle is connected to the upper die. The processing part is connected to the inner hole of the punch press spindle. The fixing part has a punch seat on the base. A top rod passing through the base and the punch seat has a positioning block at its top. The punch passes through the positioning block and is connected to the punch seat. A lower nut fixes the punch seat, the positioning block and the base.

2. The process apparatus for machining the flat hole in the upper body of an armor-piercing projectile fuse according to claim 1, characterized in that: A pad is also provided between the base and the punch seat.

3. The process apparatus for machining the flat hole in the upper body of an armor-piercing projectile fuse according to claim 1, characterized in that: The machining part is connected to the inner hole of the punch press spindle by tightening the upper die and connecting shank to the inner hole of the punch press spindle with the upper nut.

4. The processing apparatus for machining the flat hole in the upper body of an armor-piercing projectile fuse according to claim 1 or 2, characterized in that: The base is provided with a gasket and a buffer pad. The screw passes through the gasket, the buffer pad and the base, and is placed on the punch press worktable and fixed with a hexagonal nut.