CN210427187U - Combined casting forming die of mixed explosive tensile test piece - Google Patents
Combined casting forming die of mixed explosive tensile test piece Download PDFInfo
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- CN210427187U CN210427187U CN201921131316.9U CN201921131316U CN210427187U CN 210427187 U CN210427187 U CN 210427187U CN 201921131316 U CN201921131316 U CN 201921131316U CN 210427187 U CN210427187 U CN 210427187U
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Abstract
The utility model discloses a combination casting forming die of mixed explosive tensile test spare belongs to explosive formulation development, explosive performance evaluation technical field. The method solves the practical problems that the requirement for the dumbbell test piece is large and the preparation process of the dumbbell test piece is complicated in the mechanical property evaluation of the casting type explosive and the casting type explosive in the prior art. The dumbbell type test piece pouring die comprises a bottom die, a die cover and a plurality of main body modules, wherein the main body modules are installed between the bottom die and the die cover, the main body modules are arranged side by side, and a dumbbell type die cavity used for pouring dumbbell type test pieces is formed between the adjacent main body modules.
Description
Technical Field
The utility model provides an embodiment relates to explosive formula development, explosive performance evaluation field. More specifically a combined casting mould of a mixed explosive tensile test piece.
Background
The macroscopic mechanical property of the mixed explosive is one of the most basic properties of the explosive, and the importance degree of the mechanical property is higher and higher along with the increasing urgent need of high-speed penetration weapons in various countries in recent years. At present, standard experimental methods for measuring the compression and tensile strength, the elastic modulus, the Poisson's ratio, the creep property and the like of the explosive based on a material testing machine are established in China, and the methods are mature day by day. Among them, dumbbell test pieces used for tensile property tests have become the most popular test pieces.
With the future application scenes of ammunition becoming more and more complex, the types of the formula explosives which are developed at present are increasingly diversified, and the processing of test pieces and performance assessment become an important factor for restricting the research progress. In the aspect of mechanical property test, many formula explosives require explosives to be suitable for different use temperature conditions, and cover low-temperature mechanical property test, normal-temperature mechanical property test and high-temperature mechanical property test, and sometimes have different requirements on the stretching speed. Therefore, in the process of developing the explosive formula, the dumbbell sample is in great demand. In addition, in the aging performance evaluation and life estimation processes of the shaped explosive, research based on the degradation rule of the mechanical property of the explosive is also an effective means for predicting the life of the explosive, and in order to obtain degradation kinetic data of the mechanical property of the shaped explosive, test data of at least 4 temperature points and at least 8 time points need to be developed, and about 5 parallel samples are required under each test data. Therefore, the amount of demand for the dumbbell test pieces in the process for the aging performance evaluation was also large.
However, the conventional manufacturing approach of the dumbbell test piece is relatively complex, and the dumbbell test piece can be cast into a large explosive column, scanned by X-ray and machined into the dumbbell explosive column, and the process has the following three problems: firstly, because the explosive belongs to dangerous chemicals, each sample preparation link can take a long time, and the time cost of explosive mechanical property evaluation can be greatly increased; secondly, a lot of explosive raw materials are wasted, and the raw material cost of the explosive is further increased; thirdly, more waste explosives are produced, which increases the cost for the disposal of the explosive-containing waste water at the later stage. To founding type explosive and casting type explosive, all demonstrate better mobile state at high temperature or compounding kneading stage, to these two kinds of explosive types, can utility model a mould that directly pours into dumbbell test piece into has stronger feasibility on technique.
Therefore, the utility model discloses in will be to the real problem that the dumbbell test piece demand is big in the mechanical properties aassessment of founding type explosive, casting type explosive, utility model discloses a set of can be directly cast moulding's dumbbell tensile test piece mould in batches provides technical support for the aassessment of explosive mechanical properties.
SUMMERY OF THE UTILITY MODEL
The utility model discloses it is big to dumbbell test piece demand in the mechanical properties aassessment to founding type explosive, pouring type explosive, and the loaded down with trivial details reality problem of dumbbell test piece preparation process, utility model a combined casting forming die of mixed explosive tensile test piece provides technical support for the aassessment of explosive mechanical properties.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a combination casting forming die of mixed explosive tensile test piece, includes die block, mould lid and a plurality of main part module, and the main part module is installed between die block and mould lid, and a plurality of main part modules set up side by side, are formed with the dumbbell type die cavity that is used for pouring dumbbell type test piece between the adjacent main part module.
The utility model discloses when using, can will mix abundant pouring PBX according to certain temperature condition and certain ratio and pour into the dumbbell type die cavity that is formed with between the adjacent main part module and is used for pouring dumbbell type testpieces, can pour in batches, will contain the mould of explosive and cure in arranging 60 ℃'s oven in, after 4 days's curing, take out the mould, the die sinking takes out dumbbell testpieces. A plurality of dumbbell test pieces of the explosive can be sequentially formed in batches, and the preparation of the test pieces for mechanical property evaluation in the explosive formula development process and the explosive aging evaluation process can be served. The method is beneficial to simplifying the process of sample preparation and quickly obtaining the tensile test piece sample.
Furthermore, two ends of the upper surface of the bottom die are respectively provided with a first baffle plate, and the first baffle plates are arranged oppositely. The first baffle plate can be integrally formed with the bottom die, and the first baffle plate is used for forming a limiting cavity and fixing a plurality of main body modules which are arranged in parallel.
Furthermore, the main body module comprises a first main body module, a second main body module, a third main body module, a fourth main body module and a fifth main body module which are sequentially arranged side by side.
Furthermore, the first main body module comprises a first die body, the second main body module comprises a second die body, the third main body module comprises a third die body, the fourth main body module comprises a fourth die body, the fifth main body module comprises a fifth die body, a plurality of first die cavities are arranged on one side of the first die body opposite to the second die body at equal intervals, a plurality of second die cavities matched with the first die cavities are arranged on one side of the second die body opposite to the first die body at equal intervals, the first die cavities and the second die cavities are symmetrically arranged and equal in size, and the first die cavities and the second die cavities form a dumbbell type die cavity for pouring the dumbbell type test piece.
Furthermore, a plurality of third die cavities are arranged on one side, opposite to the third die body, of the second die body at equal intervals, a plurality of fourth die cavities matched with the third die cavities are arranged on one side, opposite to the second die body, of the third die body at equal intervals, the third die cavities and the fourth die cavities are symmetrically arranged and are equal in size, and the dumbbell type die cavities used for pouring dumbbell type test pieces are formed by the third die cavities and the fourth die cavities.
Furthermore, a plurality of fifth die cavities are formed in one side, opposite to the fourth die body, of the third die body at equal intervals, a plurality of sixth die cavities matched with the fifth die cavities are formed in one side, opposite to the third die body, of the fourth die body at equal intervals, the fifth die cavities and the sixth die cavities are symmetrically arranged and are equal in size, and the dumbbell type die cavities used for pouring the dumbbell type test pieces are formed by the fifth die cavities and the sixth die cavities.
Furthermore, a plurality of seventh die cavities are formed in one side, opposite to the fifth die body, of the fourth die body at equal intervals, a plurality of eighth die cavities matched with the seventh die cavities are formed in one side, opposite to the fourth die body, of the fifth die body at equal intervals, the seventh die cavities and the eighth die cavities are symmetrically arranged and are equal in size, and the seventh die cavities and the eighth die cavities form dumbbell type die cavities used for pouring dumbbell type test pieces.
Furthermore, the U-shaped fastening grooves which are oppositely arranged are respectively formed in the two opposite ends of the first die body, the second die body, the third die body, the fourth die body and the fifth die body, the slipknot bolts are installed in the U-shaped fastening grooves in the two ends of the first die body, the second die body, the third die body, the fourth die body and the fifth die body, one end of each slipknot bolt is clamped in the U-shaped fastening groove of the fifth die body, and the other end of each slipknot bolt is locked in the U-shaped fastening groove of the first die body through nuts.
Furthermore, through and opposite positioning holes are formed beside the U-shaped fastening grooves formed in the first die body, the second die body, the third die body, the fourth die body and the fifth die body in a relative mode, and positioning pins are arranged in the positioning holes.
Furthermore, the cross section of the die cover is in a herringbone shape, two sides of the die cover are provided with vertical second baffles which are downward and used for covering the plurality of main body modules, the second baffles are oppositely arranged, the top of the die cover is provided with a through sprue gate, a blade is further arranged between the die cover and the tops of the plurality of main body modules, and the blade is provided with a through hole corresponding to the mouth part of the dumbbell-shaped die cavity.
Compared with the prior art, the utility model beneficial effect who has is:
the utility model discloses when using, can will mix abundant pouring PBX according to certain temperature condition and certain ratio and pour into the dumbbell type die cavity that is formed with between the adjacent main part module and is used for pouring dumbbell type testpieces, can pour in batches, will contain the mould of explosive and cure in arranging 60 ℃'s oven in, after 4 days's curing, take out the mould, the die sinking takes out dumbbell testpieces. A plurality of dumbbell test pieces of the explosive can be sequentially formed in batches, and the preparation of the test pieces for mechanical property evaluation in the explosive formula development process and the explosive aging evaluation process can be served. The method is beneficial to simplifying the process of sample preparation and quickly obtaining the tensile test piece sample.
Drawings
Fig. 1 is a schematic view of a combined casting mold for a mixed explosive tensile test piece according to the present invention;
fig. 2 is a schematic top view of the combined casting mold for the mixed explosive tensile test piece of the present invention;
fig. 3 is a schematic side view of a combined casting mold for a mixed explosive tensile test piece according to the present invention;
fig. 4 is a schematic structural diagram of a bottom plate of a combined casting mold for a mixed explosive tensile test piece according to the present invention;
fig. 5 is a schematic view of a mold cover of a combined casting mold for a mixed explosive tensile test piece according to the present invention;
fig. 6 is a schematic structural diagram of a mold cover of a combined casting mold for a mixed explosive tensile test piece according to the present invention;
fig. 7 is a schematic structural diagram of a first main body module of a combined casting mold for a mixed explosive tensile test piece according to the present invention;
fig. 8 is a schematic structural diagram of a second main body module of the combined casting mold for the mixed explosive tensile test piece according to the present invention;
fig. 9 is a schematic structural diagram of a third main body module of the combined casting mold for the mixed explosive tensile test piece according to the present invention;
fig. 10 is a schematic structural diagram of a fourth main body module of the combined casting mold for the mixed explosive tensile test piece according to the present invention;
fig. 11 is a schematic structural diagram of a fifth main body module of a combined casting mold for a mixed explosive tensile test piece according to the present invention;
fig. 12 is a schematic structural diagram of a blade of a combined casting mold for a mixed explosive tensile test piece according to the present invention.
The labels in the figure are: 1-a nut, 2-a dowel pin, 3-a first body module, 4-a second body module, 5-a third body module, 6-a slipknot screw, 7-a fourth body module, 9-a fifth body module, 10-a bottom die, 11-a blade, 12-a die cover, 13-a dumbbell-shaped die cavity, 14-a U-shaped fastening groove, 15-a positioning hole, 31-a first die body, 32-a first die cavity, 41-a second die body, 42-a second die cavity, 43-a third die cavity, 51-a third die body, 52-a fourth die cavity, 55-a fifth die cavity, 71-a fourth die body, 72-a sixth die cavity, 73-a seventh die cavity, 91-a fifth die body, 92-an eighth die cavity, 101-a first baffle, 111-via hole, 121-second baffle, 122-sprue gate.
Detailed Description
The present invention will be further described with reference to the following examples, which are only some, but not all, of the examples of the present invention. Based on the embodiments in the present invention, other embodiments used by those skilled in the art without creative work belong to the protection scope of the present invention.
Example 1:
as shown in fig. 1 to 3, a combined casting mold for a mixed explosive tensile test piece comprises a bottom mold 10, a mold cover 12 and a plurality of main body modules, wherein the main body modules are installed between the bottom mold 10 and the mold cover 12, the plurality of main body modules are arranged in parallel, and a dumbbell-shaped mold cavity 13 for casting a dumbbell-shaped test piece is formed between adjacent main body modules. The main body module comprises a first main body module 3, a second main body module 4, a third main body module 5, a fourth main body module 7 and a fifth main body module 9 which are sequentially arranged side by side.
As shown in fig. 7 to 11, in this embodiment, the first main body module 3 includes a first mold body 31, the second main body module 4 includes a second mold body 41, the third main body module 5 includes a third mold body 51, the fourth main body module 7 includes a fourth mold body 71, the fifth main body module 9 includes a fifth mold body 91, 4 first cavities 32 are provided at equal intervals on a side of the first mold body 31 opposite to the second mold body 41, 4 second cavities 42 matched with the first cavities 32 are provided at equal intervals on a side of the second mold body 41 opposite to the first mold body 31, the first cavities 32 and the second cavities 42 are symmetrically arranged and have the same size, and the first dumbbell cavities 32 and the second cavities 42 constitute a dumbbell cavity 13 for casting a test piece.
In this embodiment, 4 third cavities 43 are provided at equal intervals on the opposite side of the second mold body 41 and the third mold body 51, 4 fourth cavities 52 matched with the third cavities 43 are provided at equal intervals on the opposite side of the third mold body 51 and the second mold body 41, the third cavities 43 and the fourth cavities 52 are symmetrically arranged and have the same size, and the third cavities 43 and the fourth cavities 52 form a dumbbell-shaped cavity 13 for casting a dumbbell-shaped test piece.
In this embodiment, 4 fifth cavities 55 are provided at equal intervals on the opposite side of the third mold body 51 and the fourth mold body 71, 4 sixth cavities 72 matched with the fifth cavities 55 are provided at equal intervals on the opposite side of the fourth mold body 71 and the third mold body 51, the fifth cavities 55 and the sixth cavities 72 are symmetrically arranged and have the same size, and the fifth cavities 55 and the sixth cavities 72 form a dumbbell-shaped cavity 13 for casting a dumbbell-shaped test piece.
In this embodiment, 4 seventh cavities 73 are provided at equal intervals on the opposite side of the fourth mold body 71 and the fifth mold body 91, 4 eighth cavities 92 matched with the seventh cavities 73 are provided at equal intervals on the opposite side of the fifth mold body 91 and the fourth mold body 71, the seventh cavities 73 and the eighth cavities 92 are symmetrically arranged and have the same size, and the seventh cavities 73 and the eighth cavities 92 form a dumbbell-shaped cavity 13 for casting the dumbbell-shaped test piece.
The utility model discloses when using, can will mix abundant pouring PBX according to certain temperature condition and certain ratio and pour into between the adjacent main part module and be formed with the dumbbell type die cavity 13 that is used for pouring dumbbell type testpieces, can pour in batches, will contain the mould of explosive and cure in arranging 60 ℃'s oven in, after 4 days's curing, take out the mould, the die sinking takes out dumbbell testpieces. A plurality of dumbbell test pieces of the explosive can be sequentially formed in batches, and the preparation of the test pieces for mechanical property evaluation in the explosive formula development process and the explosive aging evaluation process can be served. The method is beneficial to simplifying the process of sample preparation and quickly obtaining the tensile test piece sample.
The first die body 31, the second die body 41, the third die body 51, the fourth die body 71 and the fifth die body 91 are made of 7075 aluminum alloy, and Teflon is plated on the surfaces of the first die body, the second die body, the third die body 51, the fourth die body 71 and the fifth die body 91, so that the demolding effect is good.
In this embodiment, the dumbbell type mold cavity 13 for casting the dumbbell type test piece is formed by the first mold cavity 32 and the second mold cavity 42, the dumbbell type mold cavity 13 for casting the dumbbell type test piece is formed by the third mold cavity 43 and the fourth mold cavity 52, the dumbbell type mold cavity 13 for casting the dumbbell type test piece is formed by the fifth mold cavity 55 and the sixth mold cavity 72, and the dumbbell type mold cavity 13 for casting the dumbbell type test piece is formed by the seventh mold cavity 73 and the eighth mold cavity 92, which have the same size. Through the embodiment, 16 dumbbell test pieces with the same size can be prepared at one time, and the size of the test pieces meets the test piece requirements of standard tensile property tests. Time cost, material cost and detection cost in the development and evaluation process are reduced.
As shown in fig. 4, in the present embodiment, first baffles 101 are respectively disposed at both ends of the upper surface of the bottom mold 10, and the first baffles 101 are disposed to face each other. The first baffle 101 can be integrally formed with the bottom die 10, and both the bottom die 10 and the first baffle 101 are made of 7075 aluminum alloy and are coated with teflon on the surfaces. The first baffle 101 serves to form a confinement chamber for holding a plurality of body modules arranged side by side.
In this embodiment, the opposite U-shaped fastening grooves 14 are respectively formed at the opposite ends of the first mold body 31, the second mold body 41, the third mold body 51, the fourth mold body 71 and the fifth mold body 91, the slipknot bolts are installed in the U-shaped fastening grooves 14 at the two ends of the first mold body 31, the second mold body 41, the third mold body 51, the fourth mold body 71 and the fifth mold body 91, one end of each slipknot bolt is clamped in the U-shaped fastening groove 14 of the fifth mold body 91, and the other end of each slipknot bolt is locked in the U-shaped fastening groove 14 of the first mold body 31 through the nut 1. The first die body 31, the second die body 41, the third die body 51, the fourth die body 71 and the fifth die body 91 which are arranged in parallel are pre-tightened by the slipknot bolts through the U-shaped fastening grooves 14 which are arranged oppositely and are locked by the nuts 1, so that the stable dumbbell-shaped die cavity 13 is ensured to be formed.
In the present embodiment, through positioning holes 15 are formed near the U-shaped fastening grooves 14 of the first mold body 31, the second mold body 41, the third mold body 51, the fourth mold body 71, and the fifth mold body 91, which are disposed opposite to each other, and positioning pins 2 are disposed in the positioning holes 15. The positioning pin 2 is used for further determining the matching relationship between the first mold body 31 and the second mold body 41, the second mold body 41 and the third mold body 51, the third mold body 51 and the fourth mold body 71, and the fourth mold body 71 and the fifth mold body 91, aligning with each other, and ensuring the accuracy of the dumbbell-shaped mold cavity 13. Meanwhile, it should be noted that the positioning pin 2 may be a long pin penetrating through the positioning hole 15 of each die body, or may be a sectional type, that is, only disposed in the positioning hole 15 of the adjacent die body.
As shown in fig. 5 and 6, in the present embodiment, the cross section of the mold cover 12 is in a herringbone shape, two sides of the mold cover 12 are provided with second baffles 121 vertically downward for covering the plurality of body modules, the second baffles 121 are oppositely arranged, the top of the mold cover 12 is provided with a through gate 122, as shown in fig. 2, a blade 11 is further installed between the mold cover 12 and the top of the plurality of body modules, as shown in fig. 12, the blade 11 is provided with a through hole 111 corresponding to the mouth of the dumbbell-shaped mold cavity 13. The upper end of the mould cover 12 is connected with a pouring device, so that pouring is convenient, the material is 7075 aluminum alloy, and the surface is plated with Teflon. The mold caps 12 are arranged in a chevron shape to facilitate better flow into the respective dumbbell mold cavities 13 when the mixed explosive is poured from the pour opening 122.
The embodiment also provides a preparation method of the dumbbell test piece for batch pouring of PBX explosives by using the mould. The casting PBX explosive consists of HTPB, RDX, TDI and other components.
The batch preparation process of the dumbbell test pieces for pouring PBX explosives is as follows:
step 1: mixing and fully kneading the pouring PBX according to a certain temperature condition and a certain proportion;
step 2: cleaning the main body die, splicing together, screwing the nut 1, checking the spliced gap, and ensuring that no obvious gap visible to naked eyes is formed.
And step 3: the inner walls of the first body block 3, the second body block 4, the third body block 5, the fourth body block 7 and the fifth body block 9 are coated with a release agent.
And 4, step 4: the mold is placed in the cavity of a vacuum casting device, and the casting port is connected with the casting port 122 of the mold cover 12 of the mold.
And 5: vacuumizing, and pouring the mixed explosive into a mold after the vacuum degree meets a certain requirement.
Step 6: the cover 12 of the mould is taken off, the excess explosive is cut off by the blade 11, and the mould containing the explosive is placed in an oven at 60 ℃ for curing.
And 7: after 4 days of curing, the mold was removed, the mold opened, and the dumbbell test piece was removed.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a combination casting forming die of mixed explosive tensile test piece which characterized in that, includes die block (10), die cover (12) and a plurality of main part module, and the main part module is installed between die block (10) and die cover (12), and a plurality of main part modules set up side by side, are formed with dumbbell type die cavity (13) that are used for pouring dumbbell type test piece between the adjacent main part module.
2. The combined casting and molding mold for the mixed explosive tensile test piece according to claim 1, wherein first baffle plates (101) are respectively arranged at two ends of the upper surface of the bottom mold (10), and the first baffle plates (101) are oppositely arranged.
3. The combined casting and molding die for the mixed explosive tensile test piece according to claim 1, wherein the main body modules comprise a first main body module (3), a second main body module (4), a third main body module (5), a fourth main body module (7) and a fifth main body module (9) which are arranged side by side in sequence.
4. The combined casting mold of the mixed explosive tensile test piece according to claim 3, wherein the first main body module (3) comprises a first mold body (31), the second main body module (4) comprises a second mold body (41), the third main body module (5) comprises a third mold body (51), the fourth main body module (7) comprises a fourth mold body (71), the fifth main body module (9) comprises a fifth mold body (91), a plurality of first mold cavities (32) are formed at equal intervals on the opposite side of the first mold body (31) and the second mold body (41), a plurality of second mold cavities (42) matched with the first mold cavities (32) are formed at equal intervals on the opposite side of the second mold body (41) and the first mold body (31), the first mold cavities (32) and the second mold cavities (42) are symmetrically arranged and have the same size, the first mold cavity (32) and the second mold cavity (42) form a dumbbell-shaped mold cavity (13) for casting dumbbell-shaped test pieces.
5. The combined casting and molding die for the mixed explosive tensile test piece according to claim 4, wherein a plurality of third die cavities (43) are formed in one side of the second die body (41) opposite to the third die body (51) at equal intervals, a plurality of fourth die cavities (52) matched with the third die cavities (43) are formed in one side of the third die body (51) opposite to the second die body (41) at equal intervals, the third die cavities (43) and the fourth die cavities (52) are symmetrically arranged and have the same size, and the third die cavities (43) and the fourth die cavities (52) form a dumbbell type die cavity (13) for casting the dumbbell type test piece.
6. The combined casting and molding die for the mixed explosive tensile test piece according to claim 5, wherein a plurality of fifth die cavities (55) are formed in one side of the third die body (51) opposite to the fourth die body (71) at equal intervals, a plurality of sixth die cavities (72) matched with the fifth die cavities (55) are formed in one side of the fourth die body (71) opposite to the third die body (51) at equal intervals, the fifth die cavities (55) and the sixth die cavities (72) are symmetrically arranged and have the same size, and the fifth die cavities (55) and the sixth die cavities (72) form a dumbbell type die cavity (13) for casting the dumbbell type test piece.
7. The combined casting and molding die for the mixed explosive tensile test piece according to claim 6, wherein a plurality of seventh die cavities (73) are formed in one side of the fourth die body (71) opposite to the fifth die body (91) at equal intervals, a plurality of eighth die cavities (92) matched with the seventh die cavities (73) are formed in one side of the fifth die body (91) opposite to the fourth die body (71) at equal intervals, the seventh die cavities (73) and the eighth die cavities (92) are symmetrically arranged and have the same size, and the seventh die cavities (73) and the eighth die cavities (92) form a dumbbell type die cavity (13) for casting the dumbbell type test piece.
8. The combined casting and molding die for the mixed explosive tensile test piece is characterized in that two opposite ends of the first die body (31), the second die body (41), the third die body (51), the fourth die body (71) and the fifth die body (91) are respectively provided with U-shaped fastening grooves (14) which are opposite to each other, the U-shaped fastening grooves (14) at the two ends of the first die body (31), the second die body (41), the third die body (51), the fourth die body (71) and the fifth die body (91) are internally provided with a slip joint bolt, one end of the slip joint bolt is clamped in the U-shaped fastening groove (14) of the fifth die body (91), and the other end of the slip joint bolt is locked in the U-shaped fastening groove (14) of the first die body (31) through a nut (1).
9. The combined casting and molding die for the mixed explosive tensile test piece according to claim 8, wherein through and oppositely arranged positioning holes (15) are formed beside the U-shaped fastening grooves (14) oppositely arranged on the first die body (31), the second die body (41), the third die body (51), the fourth die body (71) and the fifth die body (91), and positioning pins (2) are arranged in the positioning holes (15).
10. The combined casting and molding die for the mixed explosive tensile test piece according to claim 8, wherein the cross section of the die cover (12) is herringbone, second baffles (121) which are vertically downward and used for covering the plurality of main body modules are arranged on two sides of the die cover (12), the second baffles (121) are oppositely arranged, a through pouring gate (122) is arranged at the top of the die cover (12), a blade (11) is further installed between the die cover (12) and the tops of the plurality of main body modules, and a through hole (111) corresponding to the opening of the dumbbell-shaped die cavity (13) is formed in the blade (11).
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| CN201921131316.9U CN210427187U (en) | 2019-07-18 | 2019-07-18 | Combined casting forming die of mixed explosive tensile test piece |
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| CN201921131316.9U CN210427187U (en) | 2019-07-18 | 2019-07-18 | Combined casting forming die of mixed explosive tensile test piece |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110261212A (en) * | 2019-07-18 | 2019-09-20 | 中国工程物理研究院化工材料研究所 | A kind of composite pouring molding die of composite explosives tension test part |
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2019
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110261212A (en) * | 2019-07-18 | 2019-09-20 | 中国工程物理研究院化工材料研究所 | A kind of composite pouring molding die of composite explosives tension test part |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |