CN111373872B - Temperature-control medicine pressing device - Google Patents
Temperature-control medicine pressing device Download PDFInfo
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- CN111373872B CN111373872B CN201418008991.9A CN201418008991A CN111373872B CN 111373872 B CN111373872 B CN 111373872B CN 201418008991 A CN201418008991 A CN 201418008991A CN 111373872 B CN111373872 B CN 111373872B
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- holes
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- 238000003825 pressing Methods 0.000 title claims abstract description 45
- 239000003814 drug Substances 0.000 title description 6
- 239000002360 explosive Substances 0.000 claims abstract description 44
- 238000000034 method Methods 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 38
- 238000004080 punching Methods 0.000 claims description 9
- 238000005553 drilling Methods 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 4
- 239000000498 cooling water Substances 0.000 claims description 2
- 238000001816 cooling Methods 0.000 abstract description 8
- 238000002844 melting Methods 0.000 abstract description 6
- 230000008018 melting Effects 0.000 abstract description 6
- 238000004321 preservation Methods 0.000 abstract description 4
- 230000035876 healing Effects 0.000 abstract description 3
- 238000010438 heat treatment Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 3
- 239000000599 controlled substance Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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Abstract
The invention relates to a temperature-control explosive pressing device, in particular to a warhead explosive pressing device taking poly-austenite-8 explosive as explosive charge, and belongs to the field of warhead explosive charge. The explosive pressing device and the explosive pressing method can improve the explosive pressing quality and the explosive pressing efficiency of the poly-austenite-8 explosive by automatically controlling the temperature of the explosive pressing die. The explosive pressing device comprises a temperature control die, a die temperature control system and the like, wherein the processes of heating, heat preservation, cooling and the like of the explosive pressing die are automatically controlled in the explosive pressing process, high-temperature explosive pressing softens an explosive bonding system, and friction between the systems is reduced, so that the stress gradient is reduced, and particularly, after the temperature exceeds the melting temperature of the bonding system, the bonding body forms a whole due to the melting and cooling processes, so that the healing of cracks can be effectively promoted, and the density of the explosive pressing is improved.
Description
Technical Field
The invention relates to a temperature-control explosive pressing device, in particular to a warhead explosive pressing device taking poly-austenite-8 explosive as explosive charge, and belongs to the field of warhead explosive charge.
Background
At present, an explosion-proof oven is mostly adopted in China to preheat a die and a poly-austenite-8 explosive and then to press the explosive, the temperature is not controlled in the explosive pressing process, the cooling is natural cooling, the time is long, and the explosive column is easy to deform after being demoulded. The pressing method for improving the pressing quality of the poly-o-8 explosive by automatically controlling the temperature of the die in the pressing and pressure maintaining processes is still the first creation.
Disclosure of Invention
The invention aims to solve the problems that in the prior art, the pressing time is long due to uncontrollable temperature in the pressing process, and a medicine column is easy to deform after being demoulded, and provides a temperature-controlled pressing device. The explosive pressing quality and the explosive pressing efficiency of the poly-austenite-8 explosive are improved by automatically controlling the temperature of the explosive pressing die.
The purpose of the invention is realized by the following technical scheme.
A temperature-controlled medicine pressing device comprises an upper punch, a die body and a lower punch.
A smooth hole is formed in the center of the upper punching end face along the axial direction, and the smooth hole is used for punching through the upper punching except the punch; two through holes are formed along the radial direction of the upper punch, and the two through holes are vertical to the unthreaded holes in pairs; the two through holes and the unthreaded hole are used for exhausting gas; two drilling holes are formed in two sides of the unthreaded hole, and the drilling holes are identical in structure and parallel to the unthreaded hole; two parallel through holes are formed along the radial direction of the upper punch, are perpendicular to the bottom ends of the two drill holes respectively and are communicated with the two drill holes respectively; forming a through hole along the radial direction of the upper punch, wherein the through hole needs to be vertical to the two parallel through holes; one of the drill holes is provided with a water inlet connector, and the other drill hole is provided with a water outlet connector;
the two drill holes, the two parallel through holes vertical to the bottom ends of the two drill holes and the through holes vertical to the two parallel through holes are all provided with screw plugs so as to ensure the tightness of the medium channel;
a heat-insulating sleeve is arranged outside the die body, the heat-insulating sleeve is of a flange structure at two ends, and a through hole is formed in the middle cylinder along the axial direction; the upper flange plate is arranged at one end, close to the upper punch, of the heat-insulation sleeve, the lower flange plate is arranged at one end, close to the lower punch, of the heat-insulation sleeve, the two flange plates are identical in structure, a water groove is formed in each flange plate, and the water grooves are used for communicating the through holes; the water tank on the flange plate is communicated with the through hole on the heat-insulating sleeve to form a medium channel;
the number of the through holes formed in the cylinder along the axial direction is even. The number of the water tanks is half of that of the through holes.
Two parallel drill holes are formed in the axial direction of the end face, close to the punch, of the lower punch rod, two parallel through holes are formed in the radial direction of the punch rod, and the two through holes are perpendicular to the bottom ends of the two drill holes respectively and are communicated with the two drill holes respectively; forming a through hole along the radial direction of the punch, wherein the through hole is required to be vertical to the two parallel through holes; one of the drill holes is provided with a water inlet connector, and the other drill hole is provided with a water outlet connector;
the two drill holes, the two parallel through holes vertical to the bottom ends of the two drill holes and the through holes vertical to the two parallel through holes are all provided with screw plugs so as to ensure the tightness of the medium channel;
the working principle of the invention is as follows: in the process of pressing the poly-O-8 explosive, the density uniformity and the charge strength of the poly-O-8 explosive can be improved by pressing the explosive at high temperature, the reason is that the high temperature softens a bonding system of the explosive and reduces the friction between the systems, so that the stress gradient is reduced, and particularly, after the temperature exceeds the melting temperature of the bonding system, the bonding body forms a whole due to the melting and cooling processes, so that the healing of cracks can be effectively promoted, and the density of the explosive is improved. According to the principle, the explosive pressing device and the explosive pressing method are designed for improving the explosive pressing quality of the poly-O-8 explosive by automatically controlling the temperature of the die. When the mold is heated, steam is introduced into the heat-preservation hot water tank, the water temperature rises, the circulating system injects hot water into the medium channel of the mold through the water pump for circulation, so that the temperature of the mold rises to a set temperature, the rising speed of the temperature can be adjusted through the water temperature, and the water temperature is controlled by controlling the steam flow. When the mold is cooled, the reversing valve acts, and the circulating system injects cold water in the cooling water tank into the medium channel of the mold through the water pump for circulation, so that the mold is cooled. The thermosensitive element arranged in the die provides signals for the control system, and the control system controls the temperature, so that the automatic control of the processes of heating, heat preservation, cooling and the like of the die is realized.
Advantageous effects
1. The temperature-control explosive pressing device can improve the density, the density uniformity and the charging strength of the pressed explosive. The temperature of the mould can be controlled by adopting the temperature-controlled pressing agent, the bonding system of the explosive can be softened by high temperature under the pressing agent loading state, and the friction between the systems is reduced, so that the stress gradient is reduced, and particularly, after the temperature exceeds the melting temperature of the bonding system, the bonding body forms a whole due to the melting and cooling processes, so that the healing of cracks can be effectively promoted, and the pressing agent density is improved.
2. The temperature-control medicine pressing device can improve the medicine pressing efficiency and reduce the deformation of the medicine column. By adopting temperature control pressing, the temperature control die can be forcibly cooled to room temperature from high temperature through a medium in a pressing state, so that the cooling time is shortened, the pressing efficiency is improved, and the deformation of a grain is reduced.
Drawings
FIG. 1 is a schematic diagram of a temperature-controlled mold of the present invention;
FIG. 2 is a schematic diagram of the upper punch structure of the temperature controlled die of the present invention;
FIG. 3 is a schematic structural diagram of a temperature-controlled mold body according to the present invention;
FIG. 4 is a schematic view of a temperature controlled die lower punch configuration of the present invention;
FIG. 5 is a schematic diagram of the temperature control system of the mold of the present invention.
Wherein, 1-plug, 2-upper flange, 3-lower flange and 4-heat preservation sleeve.
Detailed Description
The present invention is described in further detail below.
Example 1
A temperature-controlled medicine pressing device comprises an upper punch, a die body and a lower punch.
A smooth hole is formed in the center of the upper punching end face along the axial direction, and the smooth hole is used for punching through the upper punching except the punch; two through holes are formed along the radial direction of the upper punch, and the two through holes are vertical to the unthreaded holes in pairs; the two through holes and the unthreaded hole are used for exhausting gas; two drilling holes are formed in two sides of the unthreaded hole, and the drilling holes are identical in structure and parallel to the unthreaded hole; two parallel through holes are formed along the radial direction of the upper punch, are perpendicular to the bottom ends of the two drill holes respectively and are communicated with the two drill holes respectively; forming a through hole along the radial direction of the upper punch, wherein the through hole needs to be vertical to the two parallel through holes; one of the drill holes is provided with a water inlet connector, and the other drill hole is provided with a water outlet connector;
the two drill holes, the two parallel through holes vertical to the bottom ends of the two drill holes and the through holes vertical to the two parallel through holes are all provided with the screw plugs 1 so as to ensure the tightness of the medium channel;
a heat-insulating sleeve 4 is arranged outside the die body, the heat-insulating sleeve 4 is of a flange structure at two ends, and a through hole is formed in the middle cylinder along the axial direction; the upper flange plate 2 is arranged at one end, close to the upper punch, of the heat-insulating sleeve 4, the lower flange plate 3 is arranged at one end, close to the lower punch, of the heat-insulating sleeve 4, the two flange plates are identical in structure, a water groove is formed in each flange plate, and the water groove is used for communicating the through holes; the water tank on the flange plate is communicated with the through hole on the heat-insulating sleeve 4 to form a medium channel;
the number of the through holes formed in the cylinder along the axial direction is even. The number of the water tanks is half of that of the through holes.
Two parallel drill holes are formed in the axial direction of the end face, close to the punch, of the lower punch rod, two parallel through holes are formed in the radial direction of the punch rod, and the two through holes are perpendicular to the bottom ends of the two drill holes respectively and are communicated with the two drill holes respectively; forming a through hole along the radial direction of the punch, wherein the through hole is required to be vertical to the two parallel through holes; one of the drill holes is provided with a water inlet connector, and the other drill hole is provided with a water outlet connector;
the two drill holes, the two parallel through holes vertical to the bottom ends of the two drill holes and the through holes vertical to the two parallel through holes are all provided with the screw plugs 1 so as to ensure the tightness of the medium channel.
Claims (3)
1. A temperature-controlled explosive pressing device comprises an upper punch, a die body and a lower punch; the method is characterized in that:
a smooth hole is formed in the center of the upper punching end face along the axial direction, and the smooth hole is used for punching through the upper punching except the punch; two through holes are formed along the radial direction of the upper punch, and the two through holes are vertical to the unthreaded holes in pairs; the two through holes and the unthreaded hole are used for exhausting gas; two drilling holes are formed in two sides of the unthreaded hole, and the drilling holes are identical in structure and parallel to the unthreaded hole; two parallel through holes are formed along the radial direction of the upper punch, are perpendicular to the bottom ends of the two drill holes respectively and are communicated with the two drill holes respectively; forming a through hole along the radial direction of the upper punch, wherein the through hole needs to be vertical to the two parallel through holes; one of the drill holes is provided with a water inlet connector, and the other drill hole is provided with a water outlet connector; the two drill holes, the two parallel through holes vertical to the bottom ends of the two drill holes and the through holes vertical to the two parallel through holes are all provided with the screw plugs (1) so as to ensure the tightness of the medium channel;
a heat-insulating sleeve (4) is arranged outside the die body, the heat-insulating sleeve (4) is of a flange structure at two ends, and a through hole is formed in the middle cylinder along the axial direction; the upper flange plate (2) is arranged at one end, close to the upper punch, of the heat-insulation sleeve (4), the lower flange plate (3) is arranged at one end, close to the lower punch, of the heat-insulation sleeve (4), the two flange plates are identical in structure, a water groove is formed in each flange plate, and the water grooves are used for communicating the through holes; the water tank on the flange plate is communicated with the through hole on the heat-insulating sleeve (4) to form a medium channel;
two parallel drill holes are formed in the axial direction of the end face, close to the punch, of the lower punch rod, two parallel through holes are formed in the radial direction of the punch rod, and the two through holes are perpendicular to the bottom ends of the two drill holes respectively and are communicated with the two drill holes respectively; forming a through hole along the radial direction of the punch, wherein the through hole is required to be vertical to the two parallel through holes; one of the drill holes is provided with a water inlet connector, and the other drill hole is provided with a water outlet connector; the two drill holes, the two parallel through holes vertical to the bottom ends of the two drill holes and the through holes vertical to the two parallel through holes are all provided with the screw plugs (1) so as to ensure the tightness of the medium channel.
2. The temperature-controlled pressing device according to claim 1, wherein: the number of the through holes formed in the cylinder along the axial direction is even; the number of the water tanks is half of that of the through holes.
3. The temperature-controlled pressing device according to claim 1, wherein: the temperature control process comprises the following steps: when the temperature of the mold is raised, hot water is injected into a medium channel of the mold through a water pump for circulation, so that the temperature of the mold is raised to a set temperature, the speed of temperature rise can be adjusted through water temperature, and the water temperature is controlled through controlling steam flow; when the mold is cooled, the reversing valve acts, and cold water in the cooling water tank is injected into the medium channel of the mold through the water pump for circulation, so that the mold is cooled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201418008991.9A CN111373872B (en) | 2014-12-12 | 2014-12-12 | Temperature-control medicine pressing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201418008991.9A CN111373872B (en) | 2014-12-12 | 2014-12-12 | Temperature-control medicine pressing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111373872B true CN111373872B (en) | 2017-03-29 |
Family
ID=71223066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201418008991.9A Expired - Fee Related CN111373872B (en) | 2014-12-12 | 2014-12-12 | Temperature-control medicine pressing device |
Country Status (1)
| Country | Link |
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| CN (1) | CN111373872B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109631691A (en) * | 2018-09-06 | 2019-04-16 | 重庆长安工业(集团)有限责任公司 | The direct pressing mold of the bottomless doleiform inner cavity thin-walled body of people's rain |
-
2014
- 2014-12-12 CN CN201418008991.9A patent/CN111373872B/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109631691A (en) * | 2018-09-06 | 2019-04-16 | 重庆长安工业(集团)有限责任公司 | The direct pressing mold of the bottomless doleiform inner cavity thin-walled body of people's rain |
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| Date | Code | Title | Description |
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| GR03 | Grant of secret patent right | ||
| GR03 | Grant of secret patent right | ||
| DC01 | Secret patent status has been lifted | ||
| DC01 | Secret patent status has been lifted | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170329 Termination date: 20211212 |