Self-positioning assembly tool for projectile and front end cover

By designing a self-positioning assembly fixture, the problem of complex assembly of projectiles and front end caps in existing technologies was solved, enabling simple assembly and disassembly, ensuring the consistency of the pull-out force and the sealed propellant gas, and avoiding mold wear.

CN223564858UActive Publication Date: 2025-11-18HEILONGJIANG NORTH TOOLS CO LTD
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Patent Information

Application Number
CN202423078625.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-12
Publication Date
2025-11-18
Estimated Expiration
2034-12-12

AI Technical Summary

Technical Problem

The existing tooling for assembling projectiles and front end caps is complex, making assembly and disassembly troublesome and prone to mold wear.

Method used

A self-positioning assembly fixture was designed, comprising a pressure block, a pressure plate positioning ring, a pressure plate, a positioning post, a positioning ring, a base plate positioning ring, a base plate, a slider, a spring, and a positioning pin. The fixture is made of medium carbon low alloy steel and brass, and each component is formed through heat treatment and machining to ensure positioning accuracy and prevent wear.

Benefits of technology

It enables simple assembly and disassembly of the projectile and the front end cap, ensuring consistency in the pull-out force and the sealed propellant gas, avoiding mold wear, and improving the efficiency and reliability of the assembly process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a self-positioning assembly tool for a bullet and a front end cover. The self-positioning assembly tool comprises a pressing block (1), a pressing plate positioning ring (2), a pressing plate (3), a positioning column (4), a positioning ring (5), a bottom plate positioning ring (6), a bottom plate (7), a sliding block (8), a spring (9) and a positioning pin (10). The bottom plate positioning ring (6) is arranged in the bottom plate (7); the spring (9) and the sliding block (8) are sequentially arranged in the bottom plate positioning ring (6); positioning pins (10) are arranged in the positioning pin holes in the positioning ring (5) and the positioning pin holes in the bottom plate (7); the positioning column (4) is arranged in a preformed hole of the bottom plate (7); the pressing plate positioning ring (2) is arranged in the pressing plate (3); the pressing plate (3) is sleeved on the positioning column (4); and the pressing block (1) is arranged in the pressing plate positioning ring (2). The device not only is simple in structure, but also is convenient to assemble, disassemble and maintain, has a positioning function, and can ensure the consistency of the assembly position, the pulling elastic force and the closed projectile gas.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to mechanical manufacturing technology relates to a kind of for projectile and front end cap self-positioning assembly tool and its manufacturing technology. BACKGROUND

[0002] Currently used for projectile and front end cap assembly tool is more complex structure, assembly, disassembly is more troublesome.The utility model of a kind of for certain new type ammunition projectile and front end cap self-positioning assembly tool.Not only simple structure, each component is easy to process assembly, disassembly and later maintenance, and the self-positioning function of tool itself.Based on the superiority of tool itself structure, not only ensure the consistency of bullet pulling force and closed gunpowder gas, also ensure that the situation of mould serious wear caused by the inaccuracy of the position of each component during assembly process.This also makes up for the deficiency of certain new type ammunition assembly. UTILITY MODEL CONTENT

[0003] The technical problem of the utility model is:

[0004] Currently used for projectile and front end cap assembly tool is more complex structure, assembly, disassembly is more troublesome.

[0005] The technical scheme of the utility model is:

[0006] The utility model provides a kind of for projectile and front end cap self-positioning assembly tool.The tool can include: pressing block 1, pressing plate positioning ring 2, pressing plate 3, positioning column 4, positioning ring 5, bottom plate positioning ring 6, bottom plate 7, sliding block 8, spring 9, positioning pin 10, wherein: bottom plate positioning ring 6 is arranged in bottom plate 7;Spring 9 and sliding block 8 are sequentially arranged in bottom plate positioning ring 6;Positioning pin hole on positioning ring 5 and the positioning pin hole in bottom plate 7 are provided with positioning pin 10;Positioning column 4 is arranged in the reserved hole of bottom plate 7;Pressing plate positioning ring 2 is arranged in pressing plate 3;Pressing plate 3 is sleeved on positioning column 4;Pressing block 1 is in pressing plate positioning ring 2.

[0007] Preferably, pressing block 1 is made of medium carbon low alloy steel, and is processed by heat treatment, drilling and wire cutting.

[0008] Preferably, pressing plate positioning ring 2 is made of brass by turning, and cooperates with pressing plate 3 to position pressing block 1 and prevent wear between pressing block 1 and pressing plate 3.

[0009] Preferably, pressing plate 3 is made of medium carbon low alloy steel by heat treatment, drilling and turning.

[0010] Preferably, the number of positioning column 4 is 8, which is configured to support and limit pressing plate 3.

[0011] Preferably, the shape of sliding block 8 is arrow-shaped.

[0012] The utility model discloses the advantages and beneficial effects are:

[0013] The utility model discloses a kind of self-positioning assembly toolings suitable for certain new ammunition projectile and front end cover.Not only simple structure, various components are convenient for processing assembly, disassembly and later maintenance, and tooling itself self-positioning function.Based on the superiority of tooling itself structure, not only guarantee the consistency of pulling force and closed gunpowder gas, but also guarantee that because each component is not accurate in position during assembly process, cause mould serious abrasion condition.This also makes up the deficiency of certain new ammunition assembly. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the drawings needed to be used in the embodiment of the utility model will be simply introduced as follows, obviously, the drawings described below are only some embodiments of the utility model, and other drawings can also be obtained according to these drawings without creative labor for the person skilled in the art.

[0015] Fig. 1 is a briquetting schematic diagram of an embodiment of the utility model;

[0016] Figure 2 Fig. 2 is a schematic diagram of the upper baffle ring of an embodiment of the utility model;

[0017] Figure 3 Fig. 3 is a schematic diagram of the upper pressing plate of an embodiment of the utility model;

[0018] Figure 4 Fig. 4 is a schematic diagram of the positioning column of an embodiment of the utility model;

[0019] Figure 5 Fig. 5 is a schematic diagram of the positioning ring of an embodiment of the utility model;

[0020] Figure 6 Fig. 6 is a schematic diagram of the bottom plate ring of an embodiment of the utility model;

[0021] Fig. 7 (a) (b) (c) is the bottom plate sectional schematic diagram and plan view of an embodiment of the utility model;

[0022] Fig. 8 is a schematic diagram of the sliding block of an embodiment of the utility model;

[0023] Figure 9 Fig. 9 is a schematic diagram of the positioning pin of an embodiment of the utility model;

[0024] Fig. 10 (a) (b) is a schematic diagram of a self-positioning assembly tooling suitable for certain new ammunition projectile and front end cover;

[0025] Wherein: the pressing block 1, the pressing plate positioning ring 2, the pressing plate 3, the positioning column 4, the positioning ring 5, the bottom plate positioning ring 6, the bottom plate 7, the sliding block 8, the spring 9, the positioning pin 10. DETAILED DESCRIPTION

[0026] To make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. In the case of no conflict, the features in the embodiments of the utility model and the embodiments can be combined with each other, and each embodiment can be mutually referenced and quoted. The utility model will be described in detail below in combination with the embodiments with reference to the drawings.

[0027] Referring to each figure in the annex, the utility model proposes a kind of self-positioning assembly tool suitable for certain new ammunition projectile and front end cover, for certain new ammunition projectile is assembled into front end cover, to give certain pull-out force and sealed powder gas effect.This device is extremely remarkable for certain new ammunition.

[0028] A kind of self-positioning assembly tool suitable for certain new ammunition projectile and front end cover is composed of 10 parts, respectively: pressing block 1, the pressing plate positioning ring 2, the pressing plate 3, the positioning column 4, the positioning ring 5, the bottom plate positioning ring 6, the bottom plate 7, the sliding block 8, the spring 9, the positioning pin 10.10 parts are assembled, and certain new ammunition projectile and front end cover self-positioning assembly tool are constituted. The function of each part is as follows:

[0029] Pressing block 1: by medium carbon low alloy steel, respectively after heat treatment, drilling, wire cutting processing, as shown in Figure 1 below.Processed recess and hole directly cooperate with projectile.So the machining accuracy of pressing block will directly lead to the consistency of projectile and front end cover assembly position and depth.

[0030] Pressing plate positioning ring 2: by brass turning processing as shown below Figure 2 Cooperate with pressing plate 3, its function is to position pressing block 1, also prevent wear between pressing block 1 and pressing plate 3.

[0031] Pressing plate 3: by medium carbon low alloy steel after heat treatment, drilling and turning processing, as shown below Figure 3 Its function is to position pressing block, prevent the phenomenon of pressing block during assembly process.

[0032] Positioning column 4: medium carbon low alloy steel after heat treatment and turning processing, as shown below Figure 4 Its function is to support and limit pressing plate 3.

[0033] Positioning ring 5: by medium carbon low alloy steel heat treatment, drilling and turning processing, as shown below Figure 5 It acts directly on the front end cover, and positions the front end cover.

[0034] Bottom plate positioning ring 6: turned by brass, as shown below Figure 6 Its main role is to position the front end cover on the one hand, and to isolate the front end cover from the bottom plate on the other hand, resulting in damage to the surface of the front end cover.

[0035] Bottom plate 7: by medium carbon low alloy steel, heat treatment, drilling, turning processing, as shown in the following figure 7. Its main role is to play a bridge role for other components.

[0036] Slide 8: by medium carbon low alloy steel heat treatment, drilling, turning processing, as shown in the following figure 8.

[0037] Spring 9: its main role is to support the slide 8, so as to ensure that the assembled parts can be smoothly removed from the tooling.

[0038] Positioning pin 10: by medium carbon low alloy steel heat treatment, turning processing, as shown below Figure 9 Its main role is to fix the positioning ring 5, to prevent the front end cover from swinging during assembly, and to affect the assembly accuracy.

[0039] In some embodiments, the assembly sequence of each component is: the bottom plate positioning ring 6 is arranged in the bottom plate 7; the spring 9 and the slide 8 are sequentially assembled into the bottom plate positioning ring 6; the positioning pin hole on the positioning ring 5 is aligned with the positioning pin hole on the bottom plate 7, and the positioning pin 10 is assembled; the eight positioning columns 4 are sequentially assembled into the reserved holes of the bottom plate 7; the positioning ring 2 is assembled into the pressing plate 3; the pressing plate 3 is sleeved on the positioning column 4; the pressing block 1 is in the pressing plate positioning ring 2.

[0040] In some embodiments, the assembly relationship of each component is as follows: the front end cover is placed into the hole of the bottom plate 7, the front end cover is fixed by using the positioning ring 5 and the positioning pin 10, the projectile is placed into the front end, the head of the projectile is matched with the round hole of the slide 8 to complete the overall positioning of the projectile, the pressing plate 3 is matched with the positioning column 4, and the pressing block 1 is placed into the round hole of the pressing plate 3. After the above steps are completed, the hand-operated press machine is slowly applied to the pressing block 1 until the upper end surface of the pressing block 1 and the upper end surface of the pressing plate 3 tend to be in the same plane, which means that the hand-operated press machine cannot be pressed. This assembly work is completed.

[0041] It should be noted that the above process operations can be combined to different degrees. In order to be simple, the implementation mode of various combinations will not be described again, and the order of the above operation steps can be flexibly adjusted according to actual needs, or the above steps can be flexibly combined, etc.

[0042] Finally, it should be noted that the above examples are intended to illustrate the technical solutions of the present application, but the scope of protection of the present application is not limited thereto, and any person skilled in the art can easily think of various equivalent modifications or replacements within the technical scope disclosed by the present application, and these modifications or replacements should be covered within the scope of protection of the present application.

Claims

1. A tooling for self-positioning assembly of a projectile with a front end cap, characterized in that, It includes: Briquetting (1), pressing plate positioning ring (2), pressing plate (3), positioning column (4), positioning ring (5), bottom plate positioning ring (6), bottom plate (7), slider (8), spring (9), positioning pin (10), wherein: the bottom plate positioning ring (6) is provided in the bottom plate (7); the spring (9) and the slider (8) are sequentially arranged in the bottom plate positioning ring (6); the positioning pin hole on the positioning ring (5) and the positioning pin hole on the bottom plate (7) are provided with the positioning pin (10); the positioning column (4) is arranged in the reserved hole of the bottom plate (7); the pressing plate positioning ring (2) is arranged in the pressing plate (3); the pressing plate (3) is sleeved on the positioning column (4); the briquetting (1) is in the pressing plate positioning ring (2).

2. The self-positioning assembly tool for the projectile and the front end cover according to claim 1, characterized in that, Wherein: The briquetting (1) is made of medium carbon low alloy steel, and is processed by heat treatment, drilling and wire cutting respectively.

3. The self-positioning assembly tool for the bullet and the front end cover of claim 1, wherein, Wherein: The pressing plate positioning ring (2) is machined by brass turning, cooperates with the pressing plate (3), and plays a positioning role on the briquetting (1), preventing wear between the briquetting (1) and the pressing plate (3).

4. The self-positioning assembly tool for the bullet and the front end cover of claim 1, wherein, Wherein: The pressing plate (3) is made of medium carbon low alloy steel and is processed by heat treatment, drilling and turning.

5. The self-positioning assembly tool for the bullet and the front end cover of claim 1, wherein, Wherein: The number of the positioning column (4) is 8, which is configured to support and limit the pressing plate (3).

6. The self-positioning assembly tool for the projectile and the front end cover according to any one of claims 1-5, characterized in that, Wherein: The shape of the slider (8) is arrow-shaped.