Explosive sintering batching device for Ni-Al energetic shaped charge liner matrix

By designing a feeding device for explosive sintering cylinders, the problem of the explosive tube being deflected during the explosive filling process was solved by using a pin and a base to fix the explosive tube. This resulted in uniform explosive filling and improved product qualification rate.

CN224101838UActive Publication Date: 2026-04-10KUNMING UNIV OF SCI & TECH
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-07-11
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

In the existing process of manufacturing explosive sintering cylinders, the explosive tubes are not fixed stably, resulting in uneven filling of explosives, skewing or displacement, and defects such as density stratification, cracks and shape distortion, resulting in a low finished product qualification rate.

Method used

An explosive sintering and dispensing device for Ni-Al energetic charge liner substrate was designed. The charge tube is fixed by a pin and a base to ensure the axial perpendicularity of the charge tube and avoid uneven filling of explosive. The device includes components such as a base, vertical tube, vertical shaft, connecting beam and pin to assist in the temporary fixation of the charge tube on the nylon seat.

Benefits of technology

It improves the uniformity of explosive filling, reduces the deviation of the explosive tube, shortens the production time, and increases the finished product qualification rate of the explosive sintering cylinder.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an explosive sintering batching device for a Ni-Al energetic shaped charge liner base body, which belongs to the technical field of energetic material processing equipment and comprises a base, a vertical pipe, a vertical shaft, a first connecting beam and an ejector pin. The base is provided with counter bores for positioning the nylon seat; the vertical pipe is vertically fixed on the base, and a rubber layer is arranged on the inner side; the vertical shaft is of a square section structure and can be axially and movably arranged in the vertical pipe. The first connecting beam is connected with the top end of the vertical shaft and the ejector pin which vertically extends downwards to press the medicine tube. According to the device, through cooperative fixation of the ejector pin and the base, it is ensured that the explosive tube keeps vertical positioning in the explosive filling process, the problem that the explosive tube deflects due to explosive filling is effectively solved, and product defects caused by uneven sintering energy transfer are avoided. The finished product qualification rate of the explosive sintering cylinder is remarkably improved, the manufacturing time is shortened, and operation is convenient and reliable.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to energetic material processing equipment technical field, concretely relates to an explosive sintering batching device of Ni-Al energetic warhead base. BACKGROUND

[0002] Explosive sintering technology is a kind of special processing technology using high temperature and high pressure instantaneous action of explosion of explosive to realize high-speed solidification forming of nickel-aluminum alloy. Figure 1 Explosive sintering cylinder is the core component for bearing Ni-Al powder and realizing directional explosion, which is composed of explosive tube filled with Ni-Al powder, nylon seat, PVC cartridge and explosive layer.In the production process, the explosive tube needs to be accurately fixed in the center of the nylon seat, and the PVC cartridge is set outside to fill the explosive, and finally the sintering is completed by detonation through the detonator.

[0003] The production process of the existing explosive sintering cylinder generally relies on manual operation, and the fixing link of the explosive tube has significant defects: when filling the explosive into the PVC cartridge, the explosive tube lacks reliable axial constraint, and it appears to be skewed or displaced when filling the explosive, which directly leads to asymmetric transmission of detonation wave, imbalance of sintering energy density, and finally causes defects such as density stratification, cracks or shape distortion of the warhead base, and significantly reduces the qualified rate of finished products. UTILITY MODEL CONTENTS

[0004] In view of the above-mentioned defects of the prior art, the purpose of the utility model is to provide an explosive sintering batching device for Ni-Al energetic warhead base, which ensures the axial perpendicularity of the explosive tube and guarantees the uniformity of explosive filling, thereby improving the production efficiency of the explosive sintering cylinder and the consistency of the product.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] The utility model discloses a base, standpipe, vertical shaft, first connected beam and thimble, the base is used to place nylon seat, the standpipe is vertically fixed on the base, the vertical shaft is vertically moved and is arranged in the standpipe, one end of the first connected beam is fixed at the top of the vertical shaft, the thimble is fixed at the other end of the first connected beam and extends downward, and the thimble is used to press down the explosive tube.

[0007] Optionally, the thimble includes a slide column, a first pressing block and a needle, the slide column is fixedly connected with the first connected beam, the needle is fixedly connected to the lower end of the slide column, and the first pressing block is slidably arranged on the slide column.

[0008] Optionally, the vertical shaft top end is fixed with a first connecting beam, the first connecting beam extends in a first direction, the first connecting beam other end is fixed with a connecting rod, the connecting rod bottom end is fixed with a first pressing block, the first pressing block outer diameter is greater than the PVC cartridge outer diameter.

[0009] Optionally, the vertical shaft section is square, the first connecting beam extends in a first direction, and the second connecting beam extends in a second direction opposite to the first direction.

[0010] Optionally, the base is provided with a counterbore matched with the nylon seat.

[0011] Optionally, the vertical pipe top end side is threadedly connected with a locking screw used for abutting against the vertical shaft side.

[0012] Optionally, the base is provided with a counterbore matched with the nylon seat.

[0013] Optionally, the vertical pipe inner side is provided with a rubber layer.

[0014] Optionally, the slide column top end is provided with a threaded column, and the first pressing block top end inner side is provided with an internal thread groove matched with the threaded column.

[0015] Optionally, the locking screw outer end is fixed with an anti-skid handle.

[0016] The device is used for placing the nylon seat on the base, placing the medicine pipe in the medicine pipe hole of the nylon seat, sleeving the PVC cartridge, inserting into the vertical shaft, and pressing the plunger against the medicine pipe top end.

[0017] The other advantages, objects and features of the present application will become apparent from the following specification, and it is intended to be covered by the following claims. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to make the purpose, technical scheme and beneficial effects of the present application more clear, the present application provides the following drawings for illustration:

[0019] Figure 1 It is a structural schematic diagram of the explosive sintering cylinder;

[0020] Figure 2 It is a whole schematic diagram of the explosive sintering batching device of the utility model;

[0021] Figure 3 It is a first state sectional view of the explosive sintering batching device of the utility model;

[0022] Figure 4 It is Figure 3 the sectional view of A;

[0023] Figure 5 It is a second state sectional view of the explosive sintering batching device of the utility model.

[0024] The marks in the drawings are as follows: 11, detonator; 12, PVC cartridge; 13, medicine pipe; 14, nylon seat; 2, base; 21, counterbore; 3, vertical pipe; 4, vertical shaft; 5, first connecting beam; 6, thimble; 61, slide column; 62, first pressing block; 63, needle stopper; 64, threaded column; 71, second connecting beam; 72, connecting rod; 73, second pressing block; 74, bottom needle; 8, locking screw; 81, anti-skid handle. DETAILED DESCRIPTION

[0025] The following specific embodiments illustrate the embodiments of the utility model, and those skilled in the art can easily understand other advantages and effects of the utility model from the disclosed content.

[0026] Please refer to the drawings. It should be understood that the structures, proportions, sizes and the like shown in the drawings of the specification are only used to cooperate with the disclosed content of the specification for those skilled in the art to understand and read, and are not used to limit the implementation conditions of the utility model, so that no substantial changes in technical content are considered as the scope of the utility model.

[0027] The following embodiments are only for example. The embodiments can be combined, and are not limited to the content shown in the following single embodiment.

[0028] The utility model provides a kind of explosive sintering batching device of Ni-Al energetic warhead shell matrix, such as Figure 2 、 Figure 3As shown, including base 2, vertical pipe 3, vertical shaft 4, first beam 5 and thimble 6, the base 2 is used to place the nylon seat 14, the base 2 is provided with a counterbore 21 matched with the nylon seat 14, the vertical pipe 3 is vertically fixed on the base 2, the vertical shaft 4 is vertically movably arranged in the vertical pipe 3, the vertical shaft 4 is square in cross section, the inside of the vertical pipe 3 is provided with a layer of rubber layer, one end of the first beam 5 is fixed to the top end of the vertical shaft 4, the thimble 6 is fixed to the other end of the first beam 5 and extends downward, and the thimble 6 is used to press down the medicine tube 13.

[0029] The use method of the utility model is that the nylon seat 14 is placed on the base 2, the medicine tube 13 is placed in the medicine tube 13 hole of the nylon seat 14, the PVC cartridge 12 is sleeved, the vertical shaft 4 is inserted, the thimble 6 is pressed on the top end of the medicine tube 13, the PVC cartridge 12 is filled with explosive, after filling, the thimble 6 is extracted, the detonator 11 is inserted, and the production of the explosive sintering cylinder is completed; the device provided by the utility model is used for assisting the production of the explosive sintering cylinder, the medicine tube 13 is temporarily fixed on the nylon seat 14 through the thimble 6 and the base 2, the medicine tube 13 is prevented from being inclined due to uneven filling of the explosive when filling the explosive, the production time of the explosive sintering cylinder is reduced, and the finished product qualification rate of the explosive sintering cylinder is improved.

[0030] Further, as shown in Figure 3 The thimble 6 includes a slide column 61, a first pressing block 62 and a needle 63, the slide column 61 is fixedly connected with the first beam 5, the needle 63 is fixedly connected to the lower end of the slide column 61, and the first pressing block 62 is slidably arranged on the slide column 61.

[0031] By pressing the first pressing block 62, the explosive filled in the PVC cartridge 12 can be compacted, after compaction, the thimble 6 is extracted, and the second explosive filling is carried out, which is helpful to fill the hole left after the thimble 6 is extracted.

[0032] Further, as shown in Figure 3 And Figure 5 Further, as shown in

[0033] After the first pressing block 62 is pressed, the vertical shaft 4 is extracted, the vertical shaft 4 is rotated, the vertical shaft 4 is inserted into the vertical pipe 3 again, the second pressing block 73 is located above the PVC cartridge 12, and the second explosive compaction is assisted.

[0034] Further, as shown in Figure 3 the top end of the vertical pipe 3 is threaded with a locking screw 8 for abutting against the side of the vertical shaft 4, and the outer end of the locking screw 8 is fixed with an anti-skid handle 81.

[0035] Further, as shown in Figure 5 it further comprises a bottom needle 74 fixed at the bottom center of the second pressing block 73 for pressing out a recess for assisting the insertion of the detonator 11.

[0036] Further, as shown in Figure 3 and Figure 4 the top end of the slide column 61 is provided with a threaded column 64, and the inner side of the top end of the first pressing block 62 is provided with an inner threaded groove matched with the threaded column 64.

[0037] The first pressing block 62 is threadedly connected with the slide column 61, so as to avoid the influence of the first pressing block 62 on the explosive filling when the insertion of the top needle 6 and the fixation of the explosive tube 13.

[0038] Finally, it should be pointed out that the above preferred embodiments are only used to illustrate the technical solutions of the present application but not to limit the present application, although the present application has been described in detail through the above preferred embodiments, those skilled in the art should understand that various changes can be made in the form and details without departing from the scope defined by the claims of the present application.

Claims

1. An explosive sintering batching device for a Ni-Al energetic charge liner substrate, characterized in that: The device comprises a base (2), a vertical pipe (3), a vertical shaft (4), a first connecting beam (5) and a top needle (6), the base (2) is used for placing a nylon seat (14), the vertical pipe (3) is vertically fixed on the base (2), the vertical shaft (4) is vertically movably arranged in the vertical pipe (3), one end of the first connecting beam (5) is fixed to the top end of the vertical shaft (4), the top needle (6) is fixed to the other end of the first connecting beam (5) and extends downward, and the top needle (6) is used for pressing down a medicine tube (13).

2. The explosive sintering batching device of the Ni-Al energetic shaped charge liner matrix according to claim 1, characterized in that: The top needle (6) comprises a slide column (61), a first pressing block (62) and a needle stopper (63), the slide column (61) is fixedly connected with the first connecting beam (5), the needle stopper (63) is fixedly connected to the lower end of the slide column (61), and the first pressing block (62) is slidably arranged on the slide column (61), and the outer diameter of the first pressing block (62) is smaller than the inner diameter of the PVC cartridge (12).

3. The explosive sintering compounding device of the Ni-Al energetic shaped charge liner matrix according to claim 2, characterized in that: Further comprising a second connecting beam (71), a connecting rod (72) and a second pressing block (73), one end of the second connecting beam (71) is fixed to the top end of the vertical shaft (4), the extension direction of the second connecting beam (71) is different from that of the first connecting beam (5), the connecting rod (72) is fixed to the other end of the second connecting beam (71) on the bottom side, the second pressing block (73) is fixed to the bottom end of the connecting rod (72), and the outer diameter of the second pressing block (73) is greater than the outer diameter of the PVC cartridge (12).

4. The explosive sintering batching device of the Ni-Al energetic liner matrix according to claim 3, characterized in that: The vertical shaft (4) is square in cross section, and the extension directions of the first connecting beam (5) and the second connecting beam (71) are opposite.

5. The apparatus for explosion sintering of Ni-Al energetic liner matrix according to claim 4, characterized in that: A counterbore (21) matched with the nylon seat (14) is formed in the base (2).

6. The explosive sintering compounding device of the Ni-Al energetic shaped charge liner matrix according to claim 5, characterized in that: A locking screw (8) for abutting against the side surface of the vertical shaft (4) is threadedly connected to the top end side of the vertical pipe (3).

7. The apparatus for explosive sintering of Ni-Al energetic liner matrix according to claim 6, characterized in that: Further comprising a bottom needle (74) fixed to the bottom center of the second pressing block (73) for pressing out a groove for assisting insertion of a detonator (11).

8. The explosive sintering compounding device of the Ni-Al energetic shaped charge liner matrix according to claim 7, characterized in that: An inner rubber layer is arranged on the inner side of the vertical pipe (3).

9. The apparatus for explosive sintering of Ni-Al energetic liner matrix according to claim 8, characterized in that: A threaded column (64) is arranged at the top end of the slide column (61), and an inner threaded groove matched with the threaded column (64) is arranged at the inner side of the top end of the first pressing block (62).

10. The apparatus for explosion sintering of Ni-Al energetic liner matrix according to claim 9, characterized in that: An anti-slip handle (81) is fixed to the outer end of the locking screw (8).