CN110514073A - A kind of small size group mould loading method and device - Google Patents
A kind of small size group mould loading method and device Download PDFInfo
- Publication number
- CN110514073A CN110514073A CN201810488545.XA CN201810488545A CN110514073A CN 110514073 A CN110514073 A CN 110514073A CN 201810488545 A CN201810488545 A CN 201810488545A CN 110514073 A CN110514073 A CN 110514073A
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- Prior art keywords
- micro
- medicine
- pressing
- coyote hole
- hole
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B33/00—Manufacture of ammunition; Dismantling of ammunition; Apparatus therefor
- F42B33/02—Filling cartridges, missiles, or fuzes; Inserting propellant or explosive charges
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- General Engineering & Computer Science (AREA)
- Medical Preparation Storing Or Oral Administration Devices (AREA)
Abstract
The present invention provides a kind of small size group mould loading method and device.The device includes that micromechanics trembles medicine device, electronic press machine, apparatus main body;Apparatus main body be placed on electronic press machine on flattening bench, micromechanics trembles medicine device and is in contact with apparatus main body to be shaken for medicinal powder;Apparatus main body specifically includes pressing mold, pressure punching;Wherein, pressing mold includes leading medicine mould, mold base, micro- coyote hole chamber;It leads and is equipped with micro- coyote hole slot one connection for leading the setting of the bottom medicine Kong Yuqi at the top of medicine mould;Micro- coyote hole slot two is equipped at the top of mold base;Wherein, micro- coyote hole slot one and micro- coyote hole slot two constitute micro- coyote hole chamber for placing micro- coyote hole;Pressure punching includes pressure formed punch and the pressing array for pressing ram bottom setting;Wherein pressing array is the pressing of more matrixes distribution.The present invention can meet the requirement of any explosive payload, and the apparatus structure is simple, and charging accuracy is high, uniformity is good high-efficient.
Description
Technical field
The present invention relates to a kind of micro- loading methods.More particularly to small size Solid-state Chemistry promote array loading method and
Device.
Background technique
With the miniaturization of pyrotechnics system, conventional dress pressing method is no longer applicable in, it is necessary to seek to be able to satisfy micro-
Scale medicament type of feed.The precision and uniformity of explosive payload are directly related to the reliability and peace of Solid-state Chemistry micromass culture array
Quan Xing.Therefore, the Charge of microsize is the key technology that Solid-state Chemistry promotes array.Common microsize powder charge skill
Art has EFI method Charge and the micro- loading method of inkjet printing.
EFI method is to generate the process of jet stream to drop deformation using electric field.It is applied when to the liquid being stored in capillary
When adding certain voltage, the drop of nozzle can be because charge be deformed in surface aggregation, and it is coniform for being elongated by semicircle, then
Jet stream is sprayed from spout.Jet stream disperses to form fine droplet under the action of charge mutually exclusive power, and the particle diameter distribution of drop is
Several hundred nanometers are to several hundred microns.Fine droplet flies to conductive substrates under the action of electrostatic field.During flight, drop
In solvent constantly volatilize, reach substrate when, solvent substantially completely volatilizees.This loading method be relatively specific for coyote hole height compared with
Small situation, when coyote hole depth-to-width ratio is larger, powder charge effect is bad, and coyote hole bottom and edge are not easy to load medicament;Meanwhile it should
Method medicament loading density is small, is shaken and is easy medicine.
The micro- loading method of inkjet printing is to utilize inkjet printing rapid shaping to fill using sol-gal process preparation ink containing energy
Energy ink will be contained by, which setting, sprays to coyote hole.The advantages of such loading method is: powder charge accuracy of measurement is high.The disadvantage is that: explosive payload and dress
Medicine density is all smaller;Coyote hole bottom and edge can not load medicament.
According to current progress, microsize Charge is had the following problems:
(1) explosive payload and degree of packing are smaller;
(2) bond strength between medicament and coyote hole is inadequate, is easy to fall off;
(3) loading rate is low.
Summary of the invention
The purpose of the present invention is to provide a kind of small size group mould loading method and devices, to solve small size, profundity
The problem of micro- coyote hole of wide ratio uniform powder charge, the research for miniature solid chemical propulsion array technique provides new process and new skill
Art.
The technical solution adopted for solving the technical problem of the present invention is as follows:
A kind of small size group mould loading method and device, including micromechanics used in powder charge process tremble medicine device, device
Main body, electronic press machine.
Apparatus main body is small size group mould powder charge pressing device, specially pressing mold, pressure punching;
Wherein, pressing mold includes leading medicine mould, mold base, micro- coyote hole chamber.It leads medicine mould and contains and lead medicine hole and micro- coyote hole slot
One;Mold base includes micro- coyote hole slot two;Micro- coyote hole chamber is made of micro- coyote hole slot one and micro- coyote hole slot two.
Further, the height for leading medicine mould makes corresponding change according to shot elevation.
Further, micro- coyote hole chamber outer dimension is determined by the outer dimension of micro- coyote hole, micro- coyote hole chamber outer dimension with it is micro-
The outer dimension of coyote hole is identical.
Further, lead that medicine hole is tapered, the tilt angle for leading the reaming of medicine hole is 5 °, lead the minimum circular diameter in medicine hole with it is micro-
The powder charge bore dia of coyote hole is identical.
Further, lead medicine mould contain it is multiple lead medicine hole, lead medicine hole in rectangular distribution.Lead medicine hole array and micro- coyote hole
Powder charge hole array matches.
Pressure punching includes pressure formed punch, pressing array.Pressing array is the pressing (cylindrical body) of more matrixes distribution, pressing diameter
It is identical as the powder charge bore dia of micro- coyote hole.
Further, pressing array and the powder charge hole array of micro- coyote hole match.
Detailed description of the invention
Fig. 1 is apparatus of the present invention structure three-dimensional schematic diagram;
Fig. 2 is apparatus of the present invention agent structure schematic diagram;
Fig. 3 is apparatus of the present invention application method flow diagram.
Specific embodiment
The operating procedure combination attached drawing of small size coyote hole powder charge is carried out to this hair below for the device and using the device
Bright further explanation:
The present invention relates to a kind of small size group mould means for loadings, comprising: includes: that electronic press machine 1, micromechanics tremble medicine device
2, apparatus main body;Apparatus main body be placed on electronic press machine to which on flattening bench, micromechanics trembles medicine device and connects with apparatus main body
Touching is shaken for medicinal powder;
Apparatus main body specifically includes pressing mold 4, pressure punching 3;
Wherein, pressing mold includes leading medicine mould 5, mold base 6, micro- coyote hole chamber 7;Lead at the top of medicine mould 5 be equipped with lead medicine hole 8 with
Micro- coyote hole slot 1 connection of its bottom setting;Micro- coyote hole slot 2 10 is equipped at the top of mold base 6;Wherein, micro- one 9 He of coyote hole slot
Micro- coyote hole slot 2 10 constitutes micro- coyote hole chamber 7 for placing micro- coyote hole;
Pressure punching 3 includes pressure formed punch 11 and the pressing array 12 for pressing ram bottom setting;Wherein pressing array 12 is more squares
The pressing 13 of battle array distribution.
The height for leading medicine mould 5 makes corresponding change according to shot elevation.
Micro- 7 outer dimension of coyote hole chamber is determined that micro- 7 outer dimension of coyote hole chamber is outer with micro- coyote hole by the outer dimension of micro- coyote hole
Shape size is identical.
It leads medicine mould 5 and leads medicine hole 8 containing multiple, lead medicine hole 8 in rectangular distribution, lead the powder charge of medicine hole 8 array and micro- coyote hole
Hole array matches.
Lead that medicine hole 8 is tapered, the tilt angle for leading 8 reaming of medicine hole is 5 °, leads the minimum circular diameter and micro- medicine of medicine hole bottom
The powder charge bore dia of room is identical.
Pressing array 12 and the powder charge hole array of micro- coyote hole match.
Pressing 13 is cylindrical body, and 13 diameter of pressing is identical as the powder charge bore dia of micro- coyote hole.
Pressing die boundary dimensions are as follows: 32.4mm × 32.4mm × 10.0mm.It leads medicine mould 5 and contains 100 (10 × 10 matrixes
Distribution) lead medicine hole 8 and micro- coyote hole slot one;
Lead that medicine hole 8 is tapered, the tilt angle for leading 8 reaming of medicine hole is 5 °, lead medicine hole minimum circular diameter be 1.0mm and with
The powder charge bore dia of micro- coyote hole is identical.
The outer dimension for pressing formed punch 3 is 10.0mm × 10.0mm × 4.0mm;Pressing array 12 is the pressure of more matrixes distribution
Needle (cylindrical body), 13 diameter of pressing are 1.0mm and identical as the powder charge bore dia of micro- coyote hole.
Further, pressing array 3-2 and the powder charge hole array of micro- coyote hole match.
Charging means one:
Without using pressing mold, pressure punching is used only.I.e. each powder charge is trembled after medicine device fills micro- coyote hole using micromechanics, then
Powder charge is carried out using pressure punching and electronic press machine.
According to the charging means founding mathematical models of charging means one, it is assumed that coyote hole height is L, and i-th pressing height is
Li, density is ρ before medicament compresses1, density is ρ after medicament compression2, coyote hole floor space is S, and coyote hole shape is cylindric, powder charge height
Degree is h.
After then completing powder charge for the first time, there is relational expression:
(1)
After second is completed powder charge, there is relational expression:
(2)
After i-th completes powder charge, there is relational expression:
ρi (3)
It can be obtained by above-mentioned formula (1), (2) and (3):
(4)
(5)
Note: k is the ratio between the density of the forward and backward medicament of pressing.
(6)
Such charging means are suitable for the case where shot elevation is h.
Such charging means are easy to operate.
Charging means two:
Simultaneously using pressing mold and pressure punching.According to required shot elevation, pressing mold needs to make corresponding change,
Powder charge process can be completed in powder charge, a pressing.
Pressing mold makes the principle accordingly changed are as follows:
Assuming that required shot elevation is L, the height of charging mould is H.Pressing can be obtained by formula (4) in charging means one
The ratio between density of forward and backward medicament is k, i.e., the ratio between the medicament height after powder charge and the medicament height after pressing.Therefore have
(7)
(8)
Ratio k and shot elevation L before and after known pharmaceutical agents compression, it may be determined that the height of pressing mold.Such charging means
Can high efficiency, high homogeneity, accurately complete powder charge.
Such charging means are greater than L formula (5) suitable for shot elevation1Shot elevation.
Powder charge process is as shown in figure 3, Detailed operating procedures are as follows:
1, before starting powder charge, charging means are used according to shot elevation judgement.When using charging means two, then carry out down
One step;Otherwise, step 6 is jumped directly to.
2, pressing mold is fixed on micro- coyote hole, is guaranteed very close to each other between micro- coyote hole and pressing mold.
3, micro- coyote hole and pressing mold are fixed on micromechanics to tremble on medicine device, the suitable medicament of granularity is homogeneously disposed in pressure
On medicine mold, opening micromechanics trembles medicine device and carries out filling medicament, until micro- coyote hole and charging hole fill up medicament.
4, pressure punching is placed on pressing mold, make pressing array alignment pressing mold leads medicine hole array.Then it is arranged
Electronic press machine operating mode is constant speed and sets stopping pressure, and driving end of a period pressure is set as 0.1kg, and driving speed is
0.5mm/s.Operation electronic press machine is opened, scheduled stopping pressure being reached.Pressure punching has 25 pressings, and pressing mold has 100
Charging hole, it is therefore desirable to pressing 4 times.
5, after the completion of powder charge, sample, clear wiping die are collected, pressing terminates.
6, micro- coyote hole tool is fixed on micromechanics to tremble on medicine device, the suitable medicament of granularity is homogeneously disposed in charging mould
On, opening micromechanics trembles medicine device and carries out filling medicament, until micro- coyote hole fills up medicament.
7, pressure punching is placed on micro- coyote hole, pressing array is made to be aligned the powder charge hole array of micro- coyote hole.Then electronics is set
Press machine work pattern is constant speed and sets stopping pressure, and driving end of a period pressure is set as 0.1kg, and driving speed is
0.5mm/s.Operation electronic press machine is opened, scheduled stopping pressure being reached.Pressure punching has 25 pressings, and micro- coyote hole has 100 dresses
Medicine hole, it is therefore desirable to pressing 4 times.
8, it checks whether charging hole reaches predetermined shot elevation, is that then powder charge is completed;Otherwise it repeats step 6 and step 7. is straight
To reaching predetermined shot elevation.
9, after the completion of powder charge, sample, clear wiping die are collected, pressing terminates.
Claims (10)
1. a kind of small size group mould means for loading characterized by comprising electronic press machine (1), micromechanics tremble medicine device (2),
Apparatus main body;Apparatus main body be placed on electronic press machine to which on flattening bench, micromechanics trembles medicine device and is in contact with apparatus main body
It is shaken for medicinal powder;
Apparatus main body specifically includes pressing mold (4), pressure punching (3);
Wherein, pressing mold includes leading medicine mould (5), mold base (6), micro- coyote hole chamber (7);It leads to be equipped at the top of medicine mould (5) and leads medicine
Hole (8) is connected to micro- coyote hole slot one (9) that its bottom is arranged;Micro- coyote hole slot two (10) is equipped at the top of mold base (6);Wherein,
Micro- coyote hole slot one (9) and micro- coyote hole slot two (10) constitute micro- coyote hole chamber (7) for placing micro- coyote hole;
Pressure punching (3) includes pressure formed punch (11) and the pressing array (12) for pressing ram bottom setting;Wherein pressing array (12) is more
The pressing (13) of root matrix distribution.
2. small size group mould means for loading according to claim 1, which is characterized in that the height for leading medicine mould (5)
Corresponding change is made according to shot elevation.
3. small size group mould means for loading according to claim 1, which is characterized in that micro- coyote hole chamber (7) shape
Size is determined that micro- coyote hole chamber (7) outer dimension is identical as the outer dimension of micro- coyote hole by the outer dimension of micro- coyote hole.
4. small size group mould means for loading according to claim 1, which is characterized in that described leads medicine mould (5) containing more
It is a to lead medicine hole (8), medicine hole (8) are led in rectangular distribution, lead medicine hole (8) array and the powder charge hole array of micro- coyote hole matches.
5. small size group mould means for loading according to claim 1 or 4, which is characterized in that described leads medicine hole (8) in cone
Shape, the tilt angle for leading medicine hole (8) reaming is 5 °, leads the minimum circular diameter of medicine hole bottom and the powder charge bore dia phase of micro- coyote hole
Together.
6. small size group mould means for loading according to claim 1, which is characterized in that the pressing array (12) with it is micro-
The powder charge hole array of coyote hole matches.
7. small size group mould means for loading according to claim 1, which is characterized in that the pressing (13) is cylinder
Body, pressing (13) diameter are identical as the powder charge bore dia of micro- coyote hole.
8. a kind of small size group mould loading method, which is characterized in that specific step is as follows for this method:
1. pressing mold is fixed on micro- coyote hole, guarantee very close to each other between micro- coyote hole and pressing mold.
2. micro- coyote hole and pressing mold are fixed on micromechanics to tremble on medicine device, medicament is homogeneously disposed on pressing mold, is opened
Micromechanics trembles medicine device and carries out filling medicament, until micro- coyote hole and charging hole fill up medicament;
3. pressure punching is placed on pressing mold, make pressing array alignment pressing mold leads medicine hole array;Electron pressure is set
Machine is carried out with constant speed and sets stopping pressure;Operation electronic press machine is opened, scheduled stopping pressure being reached;
4. after the completion of powder charge, collecting sample, clear wiping die, pressing terminates.
It is that then powder charge is completed 5. checking whether charging hole reaches predetermined shot elevation;Otherwise step is repeated until reaching predetermined dress
Medicine height.
6. after the completion of powder charge, collecting sample, clear wiping die, pressing terminates.
9. small size group mould loading method according to claim 8, which is characterized in that the frequency that micromechanics trembles medicine device is set
It is set to: 12000r/min-18000r/min.
10. small size group mould loading method according to claim 8, which is characterized in that stop pressure and is set as 0.1kg,
Driving speed is 0.5mm/s.
Priority Applications (1)
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CN201810488545.XA CN110514073A (en) | 2018-05-21 | 2018-05-21 | A kind of small size group mould loading method and device |
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CN201810488545.XA CN110514073A (en) | 2018-05-21 | 2018-05-21 | A kind of small size group mould loading method and device |
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Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2373799A (en) * | 1942-11-04 | 1945-04-17 | Frank C Wilson | Bomb loading press |
US20060180011A1 (en) * | 2005-02-15 | 2006-08-17 | Benn James D | Indexing shell reloader |
CN101922900A (en) * | 2009-06-11 | 2010-12-22 | 贵州久联民爆器材发展股份有限公司 | Method and device for carrying out on-line medicine pressing on detonator |
US20120204707A1 (en) * | 2010-07-09 | 2012-08-16 | Jung Su Park | Method and apparatus for manufacturing a bullet charged with compressible composite explosives |
CN203605814U (en) * | 2013-12-10 | 2014-05-21 | 河北卫星化工股份有限公司 | Delay powder packing and pressing machine |
CN204454932U (en) * | 2015-02-04 | 2015-07-08 | 福建海峡科化股份有限公司 | A kind of automatic floating powder shaking machine |
CN106927986A (en) * | 2015-12-31 | 2017-07-07 | 贵州久联民爆器材发展股份有限公司 | Basic detonator filling line |
-
2018
- 2018-05-21 CN CN201810488545.XA patent/CN110514073A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2373799A (en) * | 1942-11-04 | 1945-04-17 | Frank C Wilson | Bomb loading press |
US20060180011A1 (en) * | 2005-02-15 | 2006-08-17 | Benn James D | Indexing shell reloader |
CN101922900A (en) * | 2009-06-11 | 2010-12-22 | 贵州久联民爆器材发展股份有限公司 | Method and device for carrying out on-line medicine pressing on detonator |
US20120204707A1 (en) * | 2010-07-09 | 2012-08-16 | Jung Su Park | Method and apparatus for manufacturing a bullet charged with compressible composite explosives |
CN203605814U (en) * | 2013-12-10 | 2014-05-21 | 河北卫星化工股份有限公司 | Delay powder packing and pressing machine |
CN204454932U (en) * | 2015-02-04 | 2015-07-08 | 福建海峡科化股份有限公司 | A kind of automatic floating powder shaking machine |
CN106927986A (en) * | 2015-12-31 | 2017-07-07 | 贵州久联民爆器材发展股份有限公司 | Basic detonator filling line |
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Application publication date: 20191129 |