Device for assembling prefabricated fragments

Abstract

The utility model relates to the technical field of assembly processes, in particular to a device for assembling prefabricated fragments. According to the utility model, positioning can be carried out through the two bulges on the outer sleeve, so that fragment groups can be conveniently loaded into the projectile body, and the assembly efficiency is improved. The bullet comprises a bullet body, an outer sleeve, an outer fragment, an inner fragment and the like, an outer sleeve is placed on one side of the projectile body, two protrusions are arranged on one side of the outer sleeve, a plurality of fragments are placed inside the projectile body, fragments are placed inside the fragments, and the fragments and the fragments are of a circular ring structure. According to the utility model, the prefabricated fragment group is arranged at the bottom through the positioning of the two bulges on the outer sleeve; operation is simple, and assembling efficiency is improved; the assembling tool is easy to machine, low in cost and capable of meeting the assembling requirement.

Description

Technical Field

[0001] The utility model relates to the technical field of assembly process, in particular to a device for assembling prefabricated fragments. Background Art

[0002] The projectile is the part of the shell including the fuze that directly completes the combat mission, that is, the warhead of the shell, which is composed of the fuze, shell body, belt, filling, stabilization device (using tail-stabilized projectile), etc. Due to the company's key bidding project that requires the projectile to be pressed into the cartridge, the time is tight and the task is heavy, and it is necessary to design a device for assembling prefabricated fragments to meet the test needs of the scientific research stage. Moreover, most of the existing devices cannot position the shell well, which makes it inconvenient to load the fragment group into the shell body, resulting in low assembly efficiency. Utility Model Content

[0003] In view of this, the utility model provides a device for assembling prefabricated fragments, which can be positioned by two protrusions on the outer sleeve, so as to facilitate the installation of the fragment group into the projectile body and improve the assembly efficiency.

[0004] The technical solution is: a device for assembling prefabricated fragments, including a projectile, a jacket, an inner fragment, an outer fragment, a push rod, a base and a plunger. The jacket is placed on one side of the projectile, and two protrusions are provided on one side of the jacket. Several outer fragments are placed inside the projectile, and several outer fragments are placed inside. Several outer fragments and several inner fragments are in a circular ring structure. A push rod is slidably connected to the inside of the jacket. A base is provided on one side of the push rod, and the base will contact the jacket. A plunger is provided on the other side of the push rod, and the plunger is in contact with several inner fragments.

[0005] Further, the other side of the push rod is in contact with one of the fragments-inside and one of the fragments-outside.

[0006] The beneficial effects are: 1. The prefabricated fragment group is loaded into the bottom through the two protrusions on the outer jacket;

[0007] 2. Simple operation and improved assembly efficiency;

[0008] 3. The modified assembly tooling is simple to process, low in cost, and can meet assembly requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 It is a structural schematic diagram of the utility model.

[0010] Figure 2 Partial three-dimensional structural diagram of the utility model

[0011] Figure numbers: 1_projectile body, 2_jacket, 3_fragment-inner, 4_fragment-outer, 5_push rod, 6_base, 7_plunger. DETAILED DESCRIPTION

[0012] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0013] Embodiment 1: A device for assembling prefabricated fragments, such as Figure 1-Figure 2 As shown, it includes a projectile body, a jacket, a fragment-inner, a fragment-outer, a push rod, a base and a plunger. The jacket is placed on one side of the projectile body, and two protrusions are provided on one side of the jacket. Several fragment-outers are placed inside the projectile body, and several fragment-outers are placed inside. Several fragment-outers and several fragment-inners are in a circular ring structure. A push rod is slidably connected to the inside of the jacket. A base is provided on one side of the push rod, and the base will contact the jacket. The other side of the push rod is in contact with one of the fragment-inners and one of the fragment-outers. A plunger is welded on the other side of the push rod, and the plunger is in contact with several fragment-inners.

[0014] The use steps of the utility model are as follows: Step 1: Assemble the fragment-inside and the fragment-outside together, and press the plunger into the fragment;

[0015] Step 2: Place the assembled prefabricated fragments into the outer jacket, placing 10 layers in total;

[0016] Step 3: Place the two positioning protrusions of the outer jacket into the grooves of the projectile body and push the prefabricated fragments to the bottom of the projectile body;

[0017] Step 4: Place the projectile body with prefabricated fragments upside down and take out the assembly tooling.

[0018] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A device for assembling prefabricated fragments, It is characterized in that The utility model comprises a projectile body, a jacket and a fragment-outer. The jacket is placed on one side of the projectile body, two protrusions are arranged on one side of the jacket, and a plurality of fragment-outers are placed inside the projectile body.

2. A device for assembling prefabricated fragments according to claim 1, It is characterized in that It includes a fragment-inside, several fragments-outsides each having a fragment-inside, and several fragments-outsides and several fragments-insides all present a circular ring structure.

3. A device for assembling prefabricated fragments according to claim 2, It is characterized in that The utility model comprises a push rod and a base. The push rod is slidably connected inside the outer jacket. The base is arranged on one side of the push rod, and the base contacts the outer jacket.

4. A device for assembling prefabricated fragments according to claim 3, It is characterized in that The other side of the push rod is in contact with one of the fragments-inside and one of the fragments-outside.

5. A device for assembling prefabricated fragments according to claim 3, It is characterized in that The utility model comprises a plunger, and a plunger is arranged on the other side of the push rod, and the plunger is in contact with a plurality of fragments.

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