CN218232248U - Spherical explosive injection mold - Google Patents

Abstract

The utility model discloses an injection spherical explosive mould, concretely relates to explosive mould field, the on-line screen storage device comprises a base, the top of base is provided with the hemisphere casing, the top of hemisphere casing is provided with the injection rising head, the top fixedly connected with cardboard of base, the first draw-in groove of top fixedly connected with of cardboard, the middle part of first draw-in groove is provided with the core bar, the second draw-in groove has been seted up to the inner chamber bottom of hemisphere casing, trapezoidal draw-in groove has been seted up at the top of hemisphere casing. The utility model discloses at first through the injection rising head and the aperture that set up, can solidify the back at the inside explosive of hemisphere casing, make the inside melting gunpowder of injection rising head pass through the inside that the aperture got into the hemisphere casing, improve finished product density, avoid the finished product to produce the shrinkage cavity, influence the finished product quality to can produce an detonating cord jack in finished middle part position through the core bar that sets up, thereby can be when detonating the use, detonate from finished middle part, improve the result of use.

Description

Spherical explosive injection mold

Technical Field

The utility model relates to an explosive mould technical field, more specifically say, the utility model relates to an injection spherical explosive mould.

Background

The detonation wave of explosive explosion is propagated by arc wave from the detonation point, and different explosive charging structures produce different detonation effects. Meanwhile, the minimum limit diameter of stable propagation of detonation waves in the explosive is considered, spherical explosive is more prone to complete explosion compared with explosive in shapes of columns, cuboids and the like, and great influence is brought to precision detonation theory research and experimental test, so that the spherical explosive capable of being reliably detonated at the center is taken as a hot spot for research on explosion theory in all military scientific research institutions and colleges.

The existing mould for pressing the semi-spherical grain with the published application number of CN201010509308.0 solves the problem that the semi-spherical grain cannot be directly pressed in the prior art. The invention consists of a demoulding block (1), a gasket (2), a guide sleeve (3), a punch (4) and a base (5); wherein the gasket (2) is placed on a working surface of one end of the withdrawing module (1) with a mandril, and the base (5) is sleeved on the mandril of the withdrawing module (1) to form a complete semi-spherical inner cavity; the end with the larger inner diameter of the guide sleeve (3) is sleeved on the base (5), the inner diameter of the end with the smaller inner diameter is matched with the punch (4), and the distance between the upper end surface and the lower end surface of the punch (4) is equal to the distance from the end surface with the smaller inner diameter of the guide sleeve (3) to the inner diameter change part. The invention is used for pressing explosive, and the pressed semi-spherical explosive column has a perfect shape and does not need turning. The invention is not only suitable for military explosive, but also suitable for civil explosive or industrial explosive with spherical requirement

However, in actual use, the problem that the density of the explosive is uneven due to uneven stress of the explosive in the process of pressing the spherical explosive, the stability of the wave front of the detonation wave is affected, and the using effect is affected also exists.

SUMMERY OF THE UTILITY MODEL

The utility model discloses technical scheme is too single technical problem to prior art solution, provides showing the solution that is different from prior art. In order to overcome the above-mentioned defect of prior art, the utility model provides an injection packing spherical explosive mould to the spherical explosive of pressure equipment that proposes in solving above-mentioned background art leads to explosive density inhomogeneous because of pressure equipment in-process explosive atress is uneven, influences the wavefront stability of detonation wave, influences the problem of result of use.

In order to achieve the above object, the utility model provides a following technical scheme: a spherical explosive injection mold comprises a base, wherein a semispherical shell is arranged at the top of the base, a explosive injection riser is arranged at the top of the semispherical shell, a clamping plate is fixedly connected to the top of the base, a first clamping groove is fixedly connected to the top of the clamping plate, and a core rod is arranged in the middle of the first clamping groove;

the second draw-in groove has been seted up to the inner chamber bottom of hemisphere casing, trapezoidal draw-in groove has been seted up at the top of hemisphere casing, the top fixedly connected with fixing base of hemisphere casing, the top bilateral symmetry fixedly connected with screw rod of fixing base, the top cover of screw rod is equipped with the nut, the aperture has been seted up to the inner chamber bottom of injection rising head, the bottom fixedly connected with snap ring of injection rising head, the fixed cover in bottom of injection rising head is equipped with solid fixed ring, the locating hole has been seted up with the corresponding position of screw rod to solid fixed ring's both sides.

Preferably, the clamping plate is matched with the second clamping groove, the clamping plate is arranged inside the second clamping groove, the top end of the core rod is of a semicircular structure in cross section, the bottom end of the core rod is arranged inside the first clamping groove and is matched with the first clamping groove, the length of the core rod is identical to the radius of an inner cavity of the hemispherical shell, the injection riser is of a cylindrical structure, the inner cavity of the injection riser is of a large-end-up structure, the bottom wall of the injection riser is of an arc-shaped structure and forms a hemispherical structure with the inner cavity of the hemispherical shell, the clamping ring is matched with the trapezoidal clamping groove, the clamping ring is arranged inside the trapezoidal clamping groove, the fixing seat corresponds to the fixing ring, the screw penetrates through the middle of the positioning hole and is in sliding connection with the positioning hole, and the nut is arranged at the top of the fixing ring.

The utility model discloses a technological effect and advantage:

1. the utility model discloses at first through the injection rising head and the aperture that set up, can make the inside melting gunpowder of injection rising head get into the inside of hemisphere casing through the aperture after the internal explosive solidifies, improve finished product density, avoid the finished product to produce the shrinkage cavity, influence the finished product quality, and can produce an detonating cord jack in the middle part position of finished product through the core bar that sets up, thereby can detonate from the middle part of finished product when detonating the use, improve the result of use;

2. the utility model discloses still through the cooperation of trapezoidal draw-in groove and snap ring, can improve the alignment effect of injection rising head and hemisphere casing, and then improve off-the-shelf sphere stability, and run through the top of locating hole through the screw rod that sets up, and sheathe the nut in, can conveniently make up the connection to injection rising head and hemisphere casing, improve joint strength, and then improve the result of use, conveniently dismantle the core bar through the first draw-in groove and the core bar that set up, improve the result of use;

in conclusion, through the mutual influence of the multiple actions, the shrinkage rate of the spherical explosive is reduced, the product density is improved, the forming rate of the spherical explosive is high, the density is stable, and the using effect is improved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the cross-sectional structure of the hemispherical shell of the present invention.

Fig. 3 is a schematic structural diagram of the base of the present invention.

Fig. 4 is a schematic structural diagram of the drug injection riser of the present invention.

The reference signs are: 1. a base; 2. a hemispherical shell; 3. injecting a medicine riser; 4. clamping a plate; 5. a first card slot; 6. a core bar; 7. a second card slot; 8. a trapezoidal clamping groove; 9. a fixed seat; 10. a screw; 11. a small hole; 12. a snap ring; 13. a fixing ring; 14. positioning holes; 15. and (4) a nut.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The mould for injecting spherical explosive shown in the attached figures 1-4 comprises a base 1, wherein the top of the base 1 is provided with a hemispherical shell 2, the top of the hemispherical shell 2 is provided with an explosive injection riser 3, the top of the base 1 is fixedly connected with a clamping plate 4, the top of the clamping plate 4 is fixedly connected with a first clamping groove 5, and the middle part of the first clamping groove 5 is provided with a core rod 6;

second draw-in groove 7 has been seted up to hemispherical shell 2's inner chamber bottom, trapezoidal draw-in groove 8 has been seted up at hemispherical shell 2's top, hemispherical shell 2's top fixedly connected with fixing base 9, fixing base 9's top bilateral symmetry fixedly connected with screw rod 10, the top cover of screw rod 10 is equipped with nut 15, aperture 11 has been seted up to the inner chamber bottom of injection rising head 3, the bottom fixedly connected with snap ring 12 of injection rising head 3, the fixed cover in bottom of injection rising head 3 is equipped with solid fixed ring 13, locating hole 14 has been seted up with the corresponding position of screw rod 10 to solid fixed ring 13's both sides.

As shown in the attached drawings 1-4, the clamping plate 4 is adapted to the second clamping groove 7, the clamping plate 4 is arranged inside the second clamping groove 7, the cross-sectional shape of the top end of the core rod 6 is set to be a semicircular structure, the bottom end of the core rod 6 is arranged inside the first clamping groove 5 and is adapted to the first clamping groove 5, the length of the core rod 6 is the same as the radius of the inner cavity of the hemispherical shell 2, the injection riser 3 is set to be a cylindrical structure, the inner cavity structure of the injection riser 3 is set to be large at the top and small at the bottom, the bottom wall body of the injection riser 3 is set to be arc-shaped and forms a hemispherical structure with the inner cavity of the hemispherical shell 2, the snap ring 12 is adapted to the trapezoidal clamping groove 8, the snap ring 12 is arranged inside the trapezoidal clamping groove 8, the fixed seat 9 corresponds to the fixed ring 13, the screw rod 10 penetrates through the middle part of the positioning hole 14 and is connected with the positioning hole 14 in a sliding manner, the nut 15 is arranged at the top of the fixed ring 13, so that when explosive is filled by the arranged core rod 6, A blind hole capable of leading an initiation device is formed in a spherical explosive, so that an explosive finished product is initiated by the center position, the use effect is improved, a molten explosive is injected into the explosive injection riser 3, when the explosive in a sphere is solidified, the size is reduced, the explosive pre-stored in the explosive injection riser 3 flows into the interior of the hemispherical shell 2, the shrinkage rate of a product can be reduced, the density of the product is improved, meanwhile, an arc-shaped structure is arranged at the bottom of the explosive injection riser 3, the finished product can form a stable spherical surface after demolding, the inner cavity of the explosive injection riser 3 is set to be large at the top and small at the bottom, the cleaning of residual explosive is facilitated, the use effect is improved, meanwhile, the fixing ring 13 is extruded at the top end of the screw rod 10 through the arranged nut 15 in a rotating mode, the connection stability of the explosive injection riser 3 and the hemispherical shell 2 can be improved, and through the matching of the arranged snap ring 12 and the trapezoidal clamping groove 8, the sealing strength of the connection can be improved, and the using effect is improved.

The utility model discloses the theory of operation: when the gunpowder injection device is used, the core rod 6 is only required to be inserted into the first clamping groove 5, then the base 1 is prevented from being arranged at the top of the hemispherical shell 2, the clamping plate 4 is positioned in the second clamping groove 7, the hemispherical shell 2 and the base 1 are clamped through the clamping mechanism, and then gunpowder is injected into the hemispherical shell 2 through the top of the hemispherical shell 2;

then the explosive injection riser 3 is placed at the top of the hemispherical shell 2, the screw rod 10 penetrates through the middle part of the positioning hole 14, the clamping ring 12 is positioned inside the trapezoidal clamping groove 8, then the screw cap 15 is sleeved at the top end of the screw rod 10 and fastened, so that the hemispherical shell 2 and the explosive injection riser 3 are fixed together, and then molten gunpowder is injected at the top of the explosive injection riser 3;

after gunpowder in the hemispherical shell 2 is solidified to form a gap, the gunpowder in the powder injection riser 3 enters the hemispherical shell 2 through the small hole 11, so that the density of a finished product is improved, shrinkage cavity is avoided, the quality of the finished product is improved, and the finished product can be inserted into the detonating cord at the position of the core rod 6 through the first clamping groove 5 and the core rod 6, so that the finished product can be detonated in the middle, and the effect of the finished product is improved.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The utility model provides an injection spherical explosive mould, includes base (1), its characterized in that: the top of the base (1) is provided with a hemispherical shell (2), the top of the hemispherical shell (2) is provided with a medicine injection riser (3), the top of the base (1) is fixedly connected with a clamping plate (4), the top of the clamping plate (4) is fixedly connected with a first clamping groove (5), and the middle of the first clamping groove (5) is provided with a core rod (6);

a second clamping groove (7) is formed in the bottom of the inner cavity of the hemispherical shell (2), a trapezoidal clamping groove (8) is formed in the top of the hemispherical shell (2), a fixed seat (9) is fixedly connected to the top of the hemispherical shell (2), screw rods (10) are symmetrically and fixedly connected to two sides of the top of the fixed seat (9), and nuts (15) are sleeved on the top ends of the screw rods (10);

small hole (11) have been seted up to the inner chamber bottom of injection rising head (3), bottom fixedly connected with snap ring (12) of injection rising head (3), the fixed cover in bottom of injection rising head (3) is equipped with solid fixed ring (13), locating hole (14) have been seted up with screw rod (10) corresponding position in the both sides of solid fixed ring (13).

2. The explosive ball injection mold of claim 1, wherein: the clamping plate (4) is matched with the second clamping groove (7), and the clamping plate (4) is arranged inside the second clamping groove (7).

3. The explosive ball injection mold of claim 1, wherein: the cross-sectional shape of the top end of the core rod (6) is a semicircular structure, the bottom end of the core rod (6) is arranged inside the first clamping groove (5) and matched with the first clamping groove (5), and the length of the core rod (6) is the same as the radius of the inner cavity of the hemispherical shell (2).

4. The injection molding spherical explosive die according to claim 1, wherein: the injection riser (3) is of a cylindrical structure, the inner cavity structure of the injection riser (3) is of a big end up structure, the bottom wall body of the injection riser (3) is of an arc shape, and the bottom wall body and the inner cavity of the hemispherical shell (2) form a hemispherical structure.

5. The explosive ball injection mold of claim 1, wherein: the clamping ring (12) is matched with the trapezoidal clamping groove (8), and the clamping ring (12) is arranged inside the trapezoidal clamping groove (8).

6. The explosive ball injection mold of claim 1, wherein: the fixing seat (9) corresponds to the fixing ring (13), the screw rod (10) penetrates through the middle of the positioning hole (14) and is in sliding connection with the positioning hole (14), and the screw cap (15) is arranged at the top of the fixing ring (13).

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