CN206643355U - A kind of active composite material explosive forming mould - Google Patents
A kind of active composite material explosive forming mould Download PDFInfo
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- CN206643355U CN206643355U CN201720360315.6U CN201720360315U CN206643355U CN 206643355 U CN206643355 U CN 206643355U CN 201720360315 U CN201720360315 U CN 201720360315U CN 206643355 U CN206643355 U CN 206643355U
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- composite material
- soft mode
- die
- active composite
- briquetting
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Abstract
It the utility model is related to explosive forming field, more particularly to a kind of explosive forming mould of active composite material.The explosive forming mould includes die, and the die has hollow cavity；Soft mode inside the die, the soft mold have the cavity for coating the active composite material；And compressing portion and blast portion inside the die；Under the active force in the blast portion, the compressing portion applies pressure to the soft mode, realizes the compressing of the active composite material.Explosive forming in the utility model to active composite material both improves the sealing effectiveness of mould by the way of die is combined with soft mode, is easily controlled the shape of active composite material after shaping again, reduces the waste of material.
Description
Technical field
It the utility model is related to explosive forming field, more particularly to a kind of active composite material explosive forming mould.
Background technology
Explosive forming is to discharge huge chemical energy in instant of detonation using explosive substance to be processed metal stock
High energy rate forming method.Frit materials are compressing mainly to utilize shaping techniques under explosive, using caused by explosive charge
The pressure of moment impact ripple, is acted in powder, makes grain spacing from shortening.Main mould is hard mould in explosive forming
Tool, to powder carry out explosion compaction when, often due to the sealing effectiveness of die hard it is bad make powder have spray phenomenon go out
It is existing, the wasting of resources is not only caused, and influence product quality；In addition, powder is adhered on die hard not easy mold release after blast.
And when carrying out explosive forming using soft mode instrument, too strong transient force caused by blast directly may demolish soft mode, Huo Zheyin
Soft mode is unsetting shape, the shape also corresponding bad control of the frit materials of last gained.Therefore it provides one kind
It is the technical problem that current this area faces that control material shape has the explosive forming mould of preferable sealing effectiveness again.
Utility model content
In view of the above-mentioned problems, the utility model provide a kind of good leak tightness, controlled shape active composite material blast into
Pattern has.
To achieve the above object, the utility model adopts the following technical scheme that：
A kind of active composite material explosive forming mould, including：Die, the die have hollow cavity；Positioned at described
Soft mode inside die, the soft mold have the cavity for coating the active composite material；And in the die
The compressing portion and blast portion in portion；Under the active force in the blast portion, the compressing portion applies to the soft mode to press
Power, realize the compressing of the active composite material.
Further, the compressing portion includes the first briquetting and the second briquetting positioned at the soft mode opposite end,
First briquetting and/or the second briquetting come to described in the presence of the blast portion to close to the movement of the direction of the soft mode
Soft mode applies pressure.
Further, the die includes：Die main body, the die main body is the barrel-like structure of upper and lower opening, described
The perisporium of soft mode and the inwall of the die main body coordinate；Base, the base are used to block the die body lower surface simultaneously
Relatively described die main body slidable connection；Upper lid, the upper lid are detachably connected with the die main body.
Further, the blast portion and first briquetting are provided between the upper lid and the soft mode；The soft mode
Second briquetting is provided between the base；First briquetting is moved down in the presence of the blast portion and acted on
On the soft mode.
Further, first briquetting is step structure, and the die body interior has and first briquetting
Step structure corresponding to structure, the first briquetting stress are supported after moving down certain distance by the die ladder.
Further, in addition to the pressure ring that is set on first briquetting, under being acted in the blast portion, the pressure ring
Upper surface contacted with the ladder lower surface of first briquetting, the ladder upper surface of the lower surface of the pressure ring and the die
Contact.
Further, the blast portion include explosive and ignite part, it is described on be covered with wear it is described ignition part installation
Hole.
Further, the active composite material includes woven wire and particulate composite, the woven wire braiding
It is molded and is fixedly connected on inside the soft mode, demoulding pad is provided between the soft mode and the active composite material.
Further, silk screen fixture is provided with the soft mode, described silk screen fixture one end is embedded in the soft mode
In wall, the other end is fixedly connected with the woven wire；It is correspondingly provided with the demoulding pad and is available for what the woven wire passed through
Hole.
Further, one layer of sealing shroud is coated with outside the soft mode.
A kind of explosive forming mould of active composite material of the present utility model, has the advantages that：
1st, explosive forming mould of the present utility model includes die and the soft mode inside die, and soft mold has for wrapping
Cover the cavity of active composite material；It both improves the sealing effectiveness of mould by the way of soft mode is combined with die, and easily
The shape of active composite material, reduces the wasting of resources after control shaping；
2nd, in explosive forming mould of the present utility model, silk screen fixture, the design of silk screen fixture are provided with soft mode
Woven wire is fixed on inside soft mode, ensure the silk screen establishment density of active composite material, convenient shaping, and uniformly improve
The overall flexibility of active composite material；
3rd, in explosive forming mould of the present utility model, demoulding pad is provided between soft mode and active composite material, is easy to
Active composite material is peeled off from soft mode, improves active composite material utilization rate, reduces loss；
4th, in explosive forming mould of the present utility model, ring structure and die main body with the first briquetting is stair-stepping sets
Meter controls the extruding degree in explosive forming to active composite material, improves the equilibrium degree of active composite material stress.
Brief description of the drawings
, below will be to embodiment for clearer explanation the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it is clear that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is diagrammatic cross-section under the utility model active composite material explosive forming mould primary condition；
Fig. 2 is diagrammatic cross-section after the blast of the utility model active composite material explosive forming mould；
It is initial when Fig. 3 is the utility model the first briquetting of active composite material explosive forming mould and the second briquetting is spherical
Under the conditions of diagrammatic cross-section；
Fig. 4 is that the utility model the first briquetting of active composite material explosive forming mould and the second briquetting explode when being spherical
Diagrammatic cross-section afterwards；
Fig. 5 is the utility model active composite material explosive forming mould soft mode structural representation；
Fig. 6 is the first structural front view of the utility model active composite material explosive forming the first briquetting of mould；
Fig. 7 is the first structure top view of the utility model active composite material explosive forming the first briquetting of mould；
Fig. 8 is second of structural front view of the utility model active composite material explosive forming the first briquetting of mould；
Fig. 9 is second of structure top view of the utility model active composite material explosive forming the first briquetting of mould；
Figure 10 is the utility model active composite material explosive forming mould ring structure front view；
Figure 11 is the utility model active composite material explosive forming mould ring structure top view；
In figure：1- dies, 11- die main bodys, 12- bases, cover on 13-, 2- soft modes, 21- demoulding pads, 22- sealing shrouds,
23- silk screen fixtures, 3- active composite materials, 31- woven wires, the briquettings of 4- first, the briquettings of 5- second, 6- explosives, 7- ignite
Part, 8- pressure rings.
Embodiment
Below in conjunction with the accompanying drawing in the utility model, the technical scheme in the embodiment of the utility model is carried out it is clear,
Complete description, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole implementation
Example.Based on the embodiment in the utility model, those skilled in the art is not on the premise of creative work is made
The all other embodiment obtained, belongs to the scope of protection of the utility model.
A kind of explosive forming mould of active composite material of the present utility model, as shown in figure 1, including：Die 1, die 1
With hollow cavity；Soft mode 2 inside die 1, soft mode 2 have the cavity for being used for coating active composite material 3；And position
Compressing portion and blast portion inside die 1；Under the active force in blast portion, compressing portion applies pressure to soft mode 2,
Realize the compressing of active composite material 3.Die is using materials such as steel, iron, it is preferred that die material is steel.Soft mode can be with
Using materials such as rubber, epoxy resin, it is preferred that soft mode material is rubber.Meanwhile in order to ensure that soft mode has necessarily hard
Degree, the reinforcing material such as carbon fiber or glass fibre prepreg is added in rubber, organically combines to form soft mode, passes through increasing
Strong material addition is adjusted to change the hardness of soft mode.
To the compressing of active composite material, the technique being combined using soft mode with die, active composite material is with soft
Mould coats, and prevents the ejection of the powder body material in forming process, causes the wasting of resources；Soft mode is placed in inside die, in blast portion
Active force under, compressing portion applies pressure to soft mode, helps to control the shape of active composite material, while blast portion is not
Act directly on soft mode, by the effect in compressing portion, explosive force can be made uniformly to act on soft mode, realize material shape
Effective control.
Specifically, as shown in figure 1, compressing portion includes the first briquetting 4 and the second briquetting positioned at the opposite end of soft mode 2
5, the first briquetting 4 to apply pressure to soft mode 2 in the presence of blast portion to close to the movement of the direction of soft mode 2.Briquetting is used to divide
Explosive force caused by dissipating blast portion, makes the explosive force for passing to soft mode by briquetting more uniform, so that after compressing
Active composite material even density everywhere.As another embodiment, it is respectively provided with the first briquetting 4 and the both sides of the second briquetting 5
Blast portion, the first briquetting 4 and the second briquetting 5 are acted on direction close to each other by blast portion simultaneously and moved.
Specifically, as shown in figure 1, die 1 includes：Die main body 11, die main body 11 are the barrel-like structure of upper and lower opening,
The perisporium of soft mode 2 coordinates with the inwall of die main body 11；Base 12, base 12 are used to block the lower surface of die main body 11 and relative
The slidable connection of die main body 11；Upper lid 13, upper lid 13 are detachably connected with die main body 11.More specifically, upper lid 13 with
It is threadedly coupled between die main body 11；Base 12 is stepped pie structure, is supported with the bottom of die main body 11 so that base 12
Fix, can move up during by upward active force, and the first briquetting 4 and soft mode 2 are pushed up when by downward active force
Go out die 1, the removing after convenient shaping between soft mode 2 and die 1.
Specifically, blast portion and the first briquetting 4 are provided between upper lid 13 and soft mode 2；The is provided between soft mode 2 and base 12
Two briquettings 5；First briquetting 4 moves down in the presence of blast portion to be acted on soft mode 2.During explosive forming, first
Briquetting 4 moves down extruding soft mode 2, and soft mode 2 moves down the second fixed briquetting 5 of extruding, and soft mode 2 is in the first briquetting 4 and the
Deformation under the squeezing action of two briquettings 5.Because the perisporium of soft mode 2 and die main body 11 coordinate, soft mode 2 is only acted on by top and the bottom
Power, wherein, the shape after the stress of soft mode 2 is relevant with the shape of the first briquetting 4 and the second briquetting 5, therefore can be by changing first
The shape of the briquetting 5 of briquetting 4 and second prepares active composite material 3 of different shapes.Wherein, as depicted in figs. 1 and 2,
The bottom of one briquetting 4 and the top of the second briquetting 5 are tabular, in conjunction with the shape of die 1 of drum-shaped, then by blast into
Columned active composite material blank can be obtained after type；As shown in Figure 3 and Figure 4, the bottom of the first briquetting 4 and the second briquetting
Top be corresponding hemispherical, by the way that spherical active composite material blank can be obtained after explosive forming.By changing briquetting
Shape, be advantageous to do preparatory processing to active composite material shape, be processed further providing basis to be follow-up, reduce material
Waste.
Specifically, as shown in Fig. 1, Fig. 6 to Fig. 9, the first briquetting 4 is step structure, the inside of die main body 11 have with
Step structure corresponding to the structure of first briquetting 4, the stress of the first briquetting 4 are supported after moving down certain distance by the ladder of die 1.
Compacting dynamics for active composite material can be changed by changing explosive charge, but in order to further ensure that compacting journey every time
Degree is consistent and prevents overvoltage, and the first briquetting 4 uses stairstepping, and the inside of die 1 has corresponding step structure, makes the first pressure
Block 4 is supported after slipping down to certain distance by die ladder, prevents it from further gliding.Specifically, the first briquetting 4 slidably distance
For 5cm, now active composite material can compacted depth be 1cm.
Specifically, as shown in Figure 1, Figure 2, shown in Figure 10, Figure 11, the explosive forming mould of the active composite material also includes being arranged
Pressure ring 8 on the first briquetting, under being acted in blast portion, the upper surface of pressure ring 8 contacts with the ladder lower surface of the first briquetting 4,
The lower surface of pressure ring 8 and the ladder upper surface of die 1.For different active composite materials, the requirement of its compacted depth is not
One, to meet the use demand of different composite material, it is provided with the multiple and supporting pressure ring 8 of the first briquetting 4.Wherein, pressure ring 8
Thickness has a Multiple Types such as 0.2cm, 0.5cm, 1cm, pressure ring quantity also have it is multiple, can be before the forming as needed in the first briquetting
Corresponding thickness and the pressure ring 8 of respective amount are arranged on 4, so as to which the active composite material of a variety of different-thickness be made.
Specifically, as shown in figures 1 and 3, blast portion includes explosive 6 and ignites part 7, upper lid 13, which is provided with to wear, ignites part 7
Mounting hole.Ignite part 7 top and be placed in exterior space, bottom, which is buried, to be overlying in explosive, by light ignite the top of part 7 make it is whole quick-fried
Fried mould work.Wherein, detonator can use by igniting part, and explosive can be TNT, nitrolite, primacord and plastic explosive etc.,
Preferably, explosive TNT.After ignition charge, the first briquetting is by instantaneous powerful downward impulsive force, and then it is downward to extrude soft mode
Motion, soft mode bottom is supported by the second briquetting, makes soft mode in itself and its internal material is squeezed, active composite material again
Reach tightly compacted effect.
Specifically, active composite material 3 includes woven wire 31 and particulate composite, the knitting forming of woven wire 31 is simultaneously
It is fixedly connected on inside soft mode 2, demoulding pad 21 is provided between soft mode 2 and active composite material 3.Corresponding active composite material
There is certain silk screen density between 3 woven wire 31, and because silk screen string diameter is relatively thin, lighter weight, it is being put into soft mode
Portion and silk screen is easy to cave in during being sprinkled into composite powder material, by the way that the woven wire 31 of knitting forming is fixedly connected on
Inside soft mode 2, the fixation of silk screen is advantageously implemented.
During explosive forming, with the raising of pressing pressure, soft mode liquidization and flow, at the interface of soft mode and powder
Place, soft film material will necessarily be squeezed into the hole of composite under high pressure.Pressure continues to increase, and soft mode squeezes into driving force
Increase therewith, the interface for the adhesion that interlocks formed between powder and soft mode, along with pressing pressure increase soft mode and powder it
Between interface binding power also increase.After compacting terminates, in release in a flash, the intrapore soft mode material of composite is squeezed into
First have to deviate from out of hole, then carry out recovery deformation with soft mode, soft mode is promptly restored to original form, if squeezed into compound
The intrapore soft mode material of material surface can not rapidly be deviate from, then in pressing pressure removal in a flash, pressed compact is by three-dimensional
Tension, easily cause the fracture of composite materials after shaping.Therefore, to prevent this phenomenon from occurring, in soft mode and active composite wood
Demoulding pad 21 is added between material, demoulding pad 21 is the boundary material with some strength, and plastics, aluminium foil or rubber etc. can be selected,
Preferably, it is plastics to be stripped pad 21.Make between soft mode to have under any pressure of the composite in forming process and isolate
Interface, to prevent the hole of soft film material intrusion composite.
Specifically, being provided with silk screen fixture 23 in soft mode 2, the one end of silk screen fixture 23 is embedded in the wall of soft mode 2, another
End is fixedly connected with woven wire 31；The hole for being available for woven wire 31 to pass through is correspondingly provided with demoulding pad 21.Woven wire 31 is logical
Cross silk screen fixture 23 to be fixedly connected with soft mode 2, silk screen fixture 23 is metal material, and one end is direct in soft mode manufacturing process
Integral production is embedded on the wall of soft mode 2, and there is the other end cyclic structure to be easy to be connected with woven wire 31, wherein different soft modes 2
The number of middle silk screen fixture 23 is close according to the number of woven wire 31 and silk screen in preforming different active composite materials 3
Degree and weaving manner determine.Pad 21 is stripped with being fixedly connected inside soft mode 2, can be bonding mode, wherein corresponding on demoulding pad 21
It is provided with the hole for being available for silk screen fixture 23 to pass through.
Specifically, one layer of sealing shroud 22 is coated with outside soft mode.Being provided with for sealing shroud 22 is beneficial to enter material in soft mode 2
Row further sealing, prevents that dusty material sprays because of extruding during explosive forming；Sealing shroud 22 is vacuumized simultaneously, it is right
Soft mode 2 and internal material carry out pre-extrusion, further prevent the ejection of powder.
The utility model is further described by specific embodiment above, it should be understood that, have here
The description of body, should not be construed as the restriction to spirit and scope of the present utility model, and one of ordinary skilled in the art is readding
The various modifications made after reader specification to above-described embodiment, belong to the scope that the utility model is protected.
Claims (10)
- A kind of 1. active composite material explosive forming mould, it is characterised in that including：Die, the die have hollow cavity；Soft mode inside the die, the soft mold have the cavity for coating the active composite material；And compressing portion and blast portion inside the die；Under the active force in the blast portion, the compacting Forming part applies pressure to the soft mode, realizes the compressing of the active composite material.
- 2. active composite material explosive forming mould according to claim 1, it is characterised in that compressing portion's bag The first briquetting and the second briquetting positioned at the soft mode opposite end are included, first briquetting and/or the second briquetting are described quick-fried To apply pressure to the soft mode to close to the movement of the direction of the soft mode in the presence of fried portion.
- 3. active composite material explosive forming mould according to claim 2, it is characterised in that the die includes：Die main body, the die main body are the barrel-like structure of upper and lower opening, the perisporium of the soft mode and the die main body Inwall coordinates；Base, the base are used to block the die body lower surface and relatively described die main body slidable connection；Upper lid, the upper lid are detachably connected with the die main body.
- 4. active composite material explosive forming mould according to claim 3, it is characterised in that it is described it is upper lid with it is described soft The blast portion and first briquetting are provided between mould；Second briquetting is provided between the soft mode and the base；Institute State the first briquetting and moved down in the presence of the blast portion and acted on the soft mode.
- 5. active composite material explosive forming mould according to claim 4, it is characterised in that first briquetting is rank Ladder-shaper structure, the die body interior have step structure corresponding with first briquette structure, first briquetting Stress is supported after moving down certain distance by the die ladder.
- 6. active composite material explosive forming mould according to claim 5, it is characterised in that also described including being set in Pressure ring on first briquetting, under being acted in the blast portion, the upper surface of the pressure ring and the ladder following table of first briquetting Face contacts, the lower surface of the pressure ring and the ladder upper surface of the die.
- 7. active composite material explosive forming mould according to claim 6, it is characterised in that the blast portion includes fried Medicine and ignite part, it is described on be covered with wear it is described ignition part mounting hole.
- 8. active composite material explosive forming mould according to claim 1, it is characterised in that the active composite material Including woven wire and particulate composite, the woven wire knitting forming is simultaneously fixedly connected on inside the soft mode, described Demoulding pad is provided between soft mode and the active composite material.
- 9. active composite material explosive forming mould according to claim 8, it is characterised in that be provided with the soft mode Silk screen fixture, described silk screen fixture one end are embedded in the soft mode wall, and the other end is fixedly connected with the woven wire； The hole for being available for the woven wire to pass through is correspondingly provided with the demoulding pad.
- 10. active composite material explosive forming mould according to claim 9, it is characterised in that wrapped outside the soft mode It is covered with one layer of sealing shroud.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720360315.6U CN206643355U (en) | 2017-04-07 | 2017-04-07 | A kind of active composite material explosive forming mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720360315.6U CN206643355U (en) | 2017-04-07 | 2017-04-07 | A kind of active composite material explosive forming mould |
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| Publication Number | Publication Date |
|---|---|
| CN206643355U true CN206643355U (en) | 2017-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720360315.6U Expired - Fee Related CN206643355U (en) | 2017-04-07 | 2017-04-07 | A kind of active composite material explosive forming mould |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106825558A (en) * | 2017-04-07 | 2017-06-13 | 华北理工大学 | A kind of active composite material explosive forming mould |
| CN112475290A (en) * | 2020-11-16 | 2021-03-12 | 福州大学 | Powder compacting device and method based on metal foil gasification |
-
2017
- 2017-04-07 CN CN201720360315.6U patent/CN206643355U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106825558A (en) * | 2017-04-07 | 2017-06-13 | 华北理工大学 | A kind of active composite material explosive forming mould |
| CN112475290A (en) * | 2020-11-16 | 2021-03-12 | 福州大学 | Powder compacting device and method based on metal foil gasification |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20171117 Termination date: 20190407 |